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atypic |
(in-package #:mcasm)
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(defparameter +microprogram-version+ #x12)
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(defun alloc-imm (sz)
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(%set-datum-imm $alloc-size sz)
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(alloc $alloc-size))
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(defun alloc (sz-reg)
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(%cpy $alloc-addr $gc-firstfree)
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(%add $gc-firstfree sz-reg)
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(%cmp-datum $gc-firstfree $gc-mem-limit)
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;; TODO
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)
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(defun %store-typed (datum-reg addr-reg addr-imm type)
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(%set-type-imm $car type)
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(%set-datum $car datum-reg)
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(%store $car addr-reg addr-imm))
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(defun %make-obj (result-reg datum-reg type)
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(alloc $one)
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(%store-typed datum-reg $alloc-addr 0 type)
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(%set-datum result-reg $alloc-addr))
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(defun %make-char (result-reg datum-reg)
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(with-new-label ("make-char-const" constant-char)
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(with-new-label ("make-char-non-const" non-constant-char)
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(%set-datum-imm result-reg %area-chars)
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(%add result-reg datum-reg)
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(with-force-label (non-constant-char)
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(%cmp-datum-imm datum-reg +constant-chars+)
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(%branch* $zero non-constant-char (not N))
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(%cmp-datum-imm datum-reg 0)
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(%branch* $zero non-constant-char N))
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(jump-imm constant-char)
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(make-label non-constant-char)
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(%make-obj result-reg datum-reg +type-char+)
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(make-label constant-char))))
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(defun %make-int (result-reg datum-reg)
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(with-new-label ("make-int-const" constant-int)
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(with-new-label ("make-int-non-const" non-constant-int)
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(%set-datum-imm result-reg %area-ints)
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(%add result-reg datum-reg)
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(with-force-label (non-constant-int)
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(%cmp-datum-imm datum-reg +constant-ints+)
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(%branch* $zero non-constant-int (not N))
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(%cmp-datum-imm datum-reg 0)
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(%branch* $zero non-constant-int N))
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(jump-imm constant-int)
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(make-label non-constant-int)
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(%make-obj result-reg datum-reg +type-int+)
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(make-label constant-int))))
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(defun %load-typed (result-reg addr-reg addr-imm type err-handler)
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(%load result-reg addr-reg addr-imm)
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(%cmp-type-imm result-reg type)
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(branchimm-false err-handler))
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(defun %cons (result-reg car-reg cdr-reg)
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(%set-type-imm $car +type-cons+)
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(%set-type-imm $cdr +type-snoc+)
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(%set-datum $car car-reg)
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(%set-datum $cdr cdr-reg)
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(alloc $two)
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(%store $car $alloc-addr 0)
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(%store $cdr $alloc-addr 1)
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(%set-datum result-reg $alloc-addr))
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(defun %car (result-reg cons-reg err-handler)
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(%load result-reg cons-reg 0)
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(%cmp-type-imm result-reg +type-cons+)
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(branchimm-false err-handler))
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(defun %cdr (result-reg cons-reg err-handler)
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;; TODO should check that cons-reg actually points to a cons
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;; cell
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(%load result-reg cons-reg 1)
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(%cmp-type-imm result-reg +type-snoc+)
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(branchimm-false err-handler))
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(defun call (addr)
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(with-new-label ("call" return-addr)
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(%cmp-datum-imm $mc-stack-top $mc-stack-max)
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(branchimm :call-error)
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(let ((return-addr return-addr))
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(force-label return-addr)
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(%set-datum-imm (indirect-register $mc-stack-top) return-addr))
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(%add $mc-stack-top $one)
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(jump-imm addr)
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(make-label return-addr)))
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(defun ret ()
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(%cmp-datum-imm $mc-stack-top $mc-stack-min)
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(branchimm :ret-error)
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(%sub $mc-stack-top $one)
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(jump-reg (indirect-register $mc-stack-top)))
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(defun %error-imm (error-type)
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(%set-datum-imm $car %error)
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(%set-datum-imm $cdr error-type)
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(%cons $s-condition $car $cdr)
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(%set-datum-imm $mc-stack-top $mc-stack-min)
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(call :interrupt)
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(jump-imm :main-loop-end))
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(defun %error (error-type-reg)
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(%set-datum-imm $car %error)
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(%cons $s-condition $car error-type-reg)
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(%set-datum-imm $mc-stack-top $mc-stack-min)
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(call :interrupt)
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(jump-imm :main-loop-end))
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114 |
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(defun select-device (devnr-reg)
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(%when-not (%cmp-datum $io-devnr devnr-reg)
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(%cpy $io-devnr devnr-reg)
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(%store $io-devnr $io-mem-addr %io-curdev)))
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119 |
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(defun select-device-imm (devnr)
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(%when-not (%cmp-datum-imm $io-devnr devnr)
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(%set-datum-imm $io-devnr devnr)
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(%store $io-devnr $io-mem-addr %io-curdev)))
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124 |
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(defun message (msg-reg) ; output a char from a register
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(select-device-imm +dev-serial+)
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(%store msg-reg $io-mem-addr %io-object))
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128 |
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(defun message-reg-no-nl (reg)
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(%set-datum $message reg)
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(call :message-reg))
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(defun message-reg (reg) ; output an integer from a register
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(message-reg-no-nl reg)
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(message-imm #\Return)
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(message-imm #\Newline))
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(defun message-imm (msg) ; output an immediate character
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(%set-type-imm $message +type-char+)
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(%set-datum-imm $message (char-int msg))
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(message $message))
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142 |
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(defun message-str-no-nl (str)
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(%set-type-imm $message +type-char+)
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(select-device-imm +dev-serial+)
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(loop for ch across str do
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(%set-datum-imm $message (char-int ch))
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(%store $message $io-mem-addr %io-object)))
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(defun message-str (str)
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(message-str-no-nl str)
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(message-imm #\Return)
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(message-imm #\Newline))
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(defun e-expr () (indirect-register $e-expr))
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(defun e-arg () (indirect-register $e-arg))
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(defun e-result () (indirect-register $e-result))
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(defun e-phase () (indirect-register $e-phase))
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(defun push-eframe ()
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(with-new-label ("push-eframe-free-frame" push-eframe-free-frame)
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(%add $e-expr $e/f-frame-size)
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(%add $e-arg $e/f-frame-size)
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(%add $e-result $e/f-frame-size)
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(%add $e-phase $e/f-frame-size)
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;; new frame in use or above top?
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(%cmp-type-imm (indirect-register $e-expr) +type-none+)
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;; if so, call the subroutine to handle such cases
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(branchimm push-eframe-free-frame)
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(call :push-eframe-handle-overflow)
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(make-label push-eframe-free-frame)
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(%set-type-imm (e-expr) +type-cons+)
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(%set-datum-imm (e-arg) %nil)
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(%set-datum-imm (e-result) %nil))) ; caller must set $e-expr, $e-phase
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(defun pop-eframe ()
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(with-new-label ("pop-eframe-start" pop-eframe-start)
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(with-new-label ("pop-eframe-non-empty-frame" pop-eframe-non-empty-frame)
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(with-new-label ("pop-eframe-not-func-frame" pop-eframe-not-func-frame)
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(make-label pop-eframe-start)
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(%set-type-imm (indirect-register $e-expr) +type-none+)
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(%sub $e-expr $e/f-frame-size)
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(%sub $e-arg $e/f-frame-size)
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(%sub $e-result $e/f-frame-size)
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(%sub $e-phase $e/f-frame-size)
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;; is this frame empty or below bottom?
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(%cmp-type-imm (indirect-register $e-expr) +type-none+)
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(branchimm-false pop-eframe-non-empty-frame)
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(call :pop-eframe-handle-underflow)
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(make-label pop-eframe-non-empty-frame)
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(%cmp-type-imm (indirect-register $e-expr) +type-function+)
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(branchimm-false pop-eframe-not-func-frame)
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(%set-datum $f-func (indirect-register $e-expr))
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(%set-datum $f-env (indirect-register $e-arg))
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(jump-imm pop-eframe-start)
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(make-label pop-eframe-not-func-frame)))))
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205 |
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(defun write-microprogram (&key (output-format :simulator))
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(with-assembly ("/tmp/microcode" :output-format output-format)
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:init
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;; I/O init:
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(%load $io-devnr $io-mem-addr %io-curdev)
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212 |
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(message-str (format nil "IGOREV INIT v. 0x~X" +microprogram-version+))
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214 |
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;; write initial data to memory:
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;; nil/t/symbols, strings:
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(%store $init1 $zero %nil)
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220 |
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;; (message-str "READ NIL,")
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;; (%load $tmp1 $zero %nil)
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;; (message-reg $tmp1)
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;; (%get-type $tmp2 $tmp1)
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;; (message-reg $tmp2)
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226 |
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(%store $init2 $zero 1)
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(%set-type-imm $init1 +type-ptr+)
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(%set-type-imm $init2 +type-ptr+)
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(%set-type-imm $init3 +type-ptr+)
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:init-mem-symbols-loop
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(%set-datum $init1 (indirect-register $init-counter))
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(%shift-r $init1 $init-shift1)
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(%set-datum $init2 (indirect-register $init-counter))
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(%shift-r $init2 $init-shift2)
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(%and $init2 $init-char-mask)
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(%set-datum $init3 (indirect-register $init-counter))
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(%and $init3 $init-char-mask)
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238 |
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(%set-type-imm (indirect-register $init-counter) 0)
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239 |
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(%set-datum-imm (indirect-register $init-counter) 0)
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240 |
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(%set-datum-imm $init-counter2 $init1)
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241 |
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:init-mem-symbols-loop2
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(%cmp-datum-imm (indirect-register $init-counter2) 0)
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(branchimm :init-mem-symbols-end-symbol)
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(%add (indirect-register $init-counter2) $init-chars-start)
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(%incr $init-symbol-char-addr)
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(%store (indirect-register $init-counter2) $init-symbol-char-addr 0)
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247 |
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:init-mem-symbols-loop2-continue
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248 |
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(%cmp-datum-imm $init-counter2 $init3)
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249 |
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(branchimm :init-mem-symbols-loop2-end)
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(%incr $init-counter2)
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(jump-imm :init-mem-symbols-loop2)
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:init-mem-symbols-end-symbol
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(%store-typed $zero $init-symbol-addr 0 +type-none+) ; in case there is no symbol
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254 |
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(%sub* $init-symbol-array $init-symbol-char-addr $init-symbol-str-addr)
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255 |
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(branchimm
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:init-mem-symbols-end-symbol-next) ; if there are no characters,
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; just skip to the next symbol
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(%set-type-imm $init-symbol-array +type-array+)
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259 |
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(%store $init-symbol-array $init-symbol-str-addr 0)
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260 |
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(%store $list-terminator $init-symbol-char-addr 1)
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261 |
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(%store-typed $init-symbol-str-addr $init-symbol-addr 0 +type-symbol+)
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262 |
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(%add $init-symbol-char-addr 2)
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263 |
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(%set-datum $init-symbol-str-addr $init-symbol-char-addr)
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264 |
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:init-mem-symbols-end-symbol-next
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(%incr $init-symbol-addr)
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(jump-imm :init-mem-symbols-loop2-continue)
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:init-mem-symbols-loop2-end
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(%incr $init-counter)
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(%cmp-type-imm (indirect-register $init-counter) +type-int+)
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270 |
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(branchimm :init-mem-symbols-loop)
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272 |
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;; builtins:
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273 |
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(%set-type-imm $init1 +type-builtin+)
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274 |
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(%set-datum-imm $init1 +first-builtin+)
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275 |
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:init-mem-builtins-loop
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(%store $init1 $init1 %area-builtins)
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277 |
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(%cmp-datum-imm $init1 +last-builtin+)
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278 |
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(branchimm :init-mem-builtins-loop-end)
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279 |
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(%incr $init1)
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280 |
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(jump-imm :init-mem-builtins-loop)
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281 |
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:init-mem-builtins-loop-end
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282 |
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283 |
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;; characters:
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284 |
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(%set-type-imm $init1 +type-char+)
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285 |
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(%set-datum-imm $init1 0)
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286 |
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:init-mem-chars-loop
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287 |
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(%store $init1 $init1 %area-chars)
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288 |
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(%incr $init1)
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289 |
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(%cmp-datum-imm $init1 +constant-chars+)
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290 |
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(branchimm-false :init-mem-chars-loop)
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291 |
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292 |
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;; ints:
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293 |
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(%set-type-imm $init1 +type-int+)
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294 |
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(%set-datum-imm $init1 0)
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295 |
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:init-mem-ints-loop
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296 |
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(%store $init1 $init1 %area-ints)
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297 |
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(%incr $init1)
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298 |
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(%cmp-datum-imm $init1 +constant-ints+)
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299 |
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(branchimm-false :init-mem-ints-loop)
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300 |
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301 |
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;; symbol list:
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302 |
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(%set-type-imm $init1 +type-cons+)
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303 |
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(%set-type-imm $init2 +type-snoc+)
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304 |
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(%set-datum-imm $init1 2) ; init1: address of symbol
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305 |
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(%set-datum-imm $init2 (+ %area-symlist 2)) ; init2: address of next cons cell
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306 |
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:init-mem-symlist-loop
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307 |
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(%load $init3 $init1 0) ; init3: current symbol
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308 |
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(%cmp-type-imm $init3 +type-none+)
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309 |
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(branchimm
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310 |
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:init-mem-symlist-loop-continue) ; skip to next if no symbol
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311 |
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; (there may be gaps)
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312 |
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(%store $init1 $init2 -2)
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313 |
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(%store $init2 $init2 -1)
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314 |
|
|
(%add $init2 $two)
|
315 |
|
|
:init-mem-symlist-loop-continue
|
316 |
|
|
(%incr $init1)
|
317 |
|
|
(%cmp-datum-imm $init1 +last-symbol+)
|
318 |
|
|
(branchimm-false :init-mem-symlist-loop)
|
319 |
|
|
(%store $init1 $init2 -2)
|
320 |
|
|
(%store $list-terminator $init2 -1)
|
321 |
|
|
|
322 |
|
|
;; memory root pointer:
|
323 |
|
|
(%set-type-imm $tmp1 +type-cons+)
|
324 |
|
|
(%set-datum-imm $tmp1 %nil)
|
325 |
|
|
(%store $tmp1 $zero %memory-root)
|
326 |
|
|
(%store $list-terminator $zero (+ %memory-root 1))
|
327 |
|
|
;; end memory initialization
|
328 |
|
|
|
329 |
|
|
;; most essential initialization:
|
330 |
|
|
(%set-type-imm $zero +type-int+)
|
331 |
|
|
(%set-datum-imm $zero 0)
|
332 |
|
|
|
333 |
|
|
(%set-type-imm $one +type-int+)
|
334 |
|
|
(%set-datum-imm $one 1)
|
335 |
|
|
|
336 |
|
|
(%set-type-imm $two +type-int+)
|
337 |
|
|
(%set-datum-imm $two 2)
|
338 |
|
|
|
339 |
|
|
;; (%set-type-imm $list-terminator +type-snoc+)
|
340 |
|
|
;; (%set-datum-imm $list-terminator 0)
|
341 |
|
|
|
342 |
|
|
(%set-type-imm $mc-stack-top +type-int+)
|
343 |
|
|
(%set-datum-imm $mc-stack-top $mc-stack-min)
|
344 |
|
|
|
345 |
|
|
;;(make-integer $gc-firstfree #x20000)
|
346 |
|
|
(%set-type-imm $alloc-size +type-int+)
|
347 |
|
|
(%set-type-imm $alloc-addr +type-int+)
|
348 |
|
|
|
349 |
|
|
;; (%set-type-imm $io-mem-addr +type-int+)
|
350 |
|
|
;; (%set-datum-imm $io-mem-addr #x3FFFF)
|
351 |
|
|
;; (%set-datum-imm $tmp1 #x8)
|
352 |
|
|
;; (%shift $io-mem-addr $tmp1)
|
353 |
|
|
;; end most essential initialization
|
354 |
|
|
|
355 |
|
|
|
356 |
|
|
(message-str-no-nl "BOOT: ")
|
357 |
|
|
:boot
|
358 |
|
|
(select-device-imm +dev-boot+)
|
359 |
|
|
(%load $tmp1 $io-mem-addr %io-size-l) ; $tmp1: boot program size
|
360 |
|
|
(message-reg-no-nl $tmp1) (message-str " WORDS")
|
361 |
|
|
(select-device-imm +dev-boot+)
|
362 |
|
|
;; (%cmp-datum-imm $tmp1 0) ; temporary to avoid loading boot program
|
363 |
|
|
;; (branchimm :boot-end)
|
364 |
|
|
(%set-type-imm $tmp2 +type-int+)
|
365 |
|
|
(%set-datum-imm $tmp2 0) ; $tmp2: address counter
|
366 |
|
|
(%store $tmp2 $io-mem-addr %io-addr-l)
|
367 |
|
|
:boot-loop
|
368 |
|
|
(%set-datum-imm $tmp4 #xFF)
|
369 |
|
|
(%and $tmp4 $tmp2)
|
370 |
|
|
(%cmp-datum-imm $tmp4 0)
|
371 |
|
|
(branchimm-false :boot-loop-no-print)
|
372 |
|
|
(message-reg-no-nl $tmp2)
|
373 |
|
|
(message-imm #\Return)
|
374 |
|
|
(select-device-imm +dev-boot+)
|
375 |
|
|
:boot-loop-no-print
|
376 |
|
|
|
377 |
|
|
(%load $tmp3 $io-mem-addr %io-object)
|
378 |
|
|
(%store $tmp3 $tmp2 %boot-prog-start)
|
379 |
|
|
(%incr $tmp2)
|
380 |
|
|
;;(message-reg $tmp2) (select-device-imm +dev-boot+)
|
381 |
|
|
(%cmp-datum $tmp2 $tmp1)
|
382 |
|
|
(branchimm-false :boot-loop)
|
383 |
|
|
(%set-datum-imm $gc-firstfree %boot-prog-start)
|
384 |
|
|
(%add $gc-firstfree $tmp2)
|
385 |
|
|
:boot-end
|
386 |
|
|
(message-str "COMPLETE")
|
387 |
|
|
|
388 |
|
|
|
389 |
|
|
;; start GC initialization
|
390 |
|
|
(%set-datum-imm $gc-rootptr %memory-root)
|
391 |
|
|
|
392 |
|
|
(%set-datum-imm $gc-startofmem (- %mem-reserved-top 2)) ; include root pointer
|
393 |
|
|
|
394 |
|
|
;; number of spaces
|
395 |
|
|
(%set-datum-imm $gc-spaces +gc-spaces+)
|
396 |
|
|
(%set-type-imm $gc-spaces +type-int+)
|
397 |
|
|
|
398 |
|
|
;; calculate spacesize
|
399 |
|
|
;; set this manually for now! not easy to replace div
|
400 |
|
|
;;(%set-datum-imm $gc-spacesize (/ (* 1048576 2) +gc-spaces+))
|
401 |
|
|
;; (%div* $gc-spacesize $gc-maxblocks $gc-spaces)
|
402 |
|
|
|
403 |
|
|
;; find maximal address + 1 (sup)
|
404 |
|
|
(%mul* $gc-sup $gc-spaces $gc-spacesize)
|
405 |
|
|
|
406 |
|
|
;; find start of gcspace
|
407 |
|
|
(%sub* $gc-gcspace $gc-sup $gc-spacesize)
|
408 |
|
|
|
409 |
|
|
(%set-datum-imm $tmp1 +gc-limit+)
|
410 |
|
|
(%sub* $gc-mem-limit $gc-gcspace $tmp1)
|
411 |
|
|
;; end GC initialization
|
412 |
|
|
|
413 |
|
|
|
414 |
|
|
;; initialize evaluation stacks:
|
415 |
|
|
(%set-datum-imm $e/f-frame-size 4)
|
416 |
|
|
(%set-type-imm $e/f-below-marker +type-none+)
|
417 |
|
|
(%set-type-imm $e/f-above-marker +type-cons+)
|
418 |
|
|
|
419 |
|
|
(%set-datum-imm $tmp1 $e/f-min)
|
420 |
|
|
:clear-e/f-loop
|
421 |
|
|
(%set-type-imm (indirect-register $tmp1) +type-none+)
|
422 |
|
|
(%set-datum-imm (indirect-register $tmp1) 0)
|
423 |
|
|
(%add $tmp1 $one)
|
424 |
|
|
(%cmp-datum-imm $tmp1 $e/f-max)
|
425 |
|
|
(branchimm-false :clear-e/f-loop)
|
426 |
|
|
|
427 |
|
|
(call :init-evaluation-level)
|
428 |
|
|
|
429 |
|
|
;; set current expression and environment to boot program's
|
430 |
|
|
;; expression and environment:
|
431 |
|
|
(%set-datum-imm $tmp1 %boot-prog-start)
|
432 |
|
|
(%car (e-expr) $tmp1 :err-not-a-pair)
|
433 |
|
|
(%cdr $f-env $tmp1 :err-not-a-pair)
|
434 |
|
|
(%set-datum-imm (e-phase) %phase-eval)
|
435 |
|
|
|
436 |
|
|
|
437 |
|
|
|
438 |
|
|
;; (message-str "NIL IS ")
|
439 |
|
|
;; (%load $tmp1 $zero %nil)
|
440 |
|
|
;; (message-reg $tmp1)
|
441 |
|
|
;; (message-str "TYPE ")
|
442 |
|
|
;; (%get-type $tmp2 $tmp1)
|
443 |
|
|
;; (message-reg $tmp2)
|
444 |
|
|
;; (message-str "T IS ")
|
445 |
|
|
;; (%load $tmp1 $zero 1)
|
446 |
|
|
;; (message-reg $tmp1)
|
447 |
|
|
;; (message-str "TYPE ")
|
448 |
|
|
;; (%get-type $tmp2 $tmp1)
|
449 |
|
|
;; (message-reg $tmp2)
|
450 |
|
|
;; (message-str "IF IS ")
|
451 |
|
|
;; (%load $tmp1 $zero 2)
|
452 |
|
|
;; (message-reg $tmp1)
|
453 |
|
|
;; (message-str "TYPE ")
|
454 |
|
|
;; (%get-type $tmp2 $tmp1)
|
455 |
|
|
;; (message-reg $tmp2)
|
456 |
|
|
;; (message-str "CONS IS ")
|
457 |
|
|
;; (%load $tmp1 $zero 6)
|
458 |
|
|
;; (message-reg $tmp1)
|
459 |
|
|
;; (message-str "TYPE ")
|
460 |
|
|
;; (%get-type $tmp2 $tmp1)
|
461 |
|
|
;; (message-reg $tmp2)
|
462 |
|
|
;; (message-str "PHASE-EVAL IS ")
|
463 |
|
|
;; (%load $tmp1 $zero #x40)
|
464 |
|
|
;; (message-reg $tmp1)
|
465 |
|
|
;; (message-str "TYPE ")
|
466 |
|
|
;; (%get-type $tmp2 $tmp1)
|
467 |
|
|
;; (message-reg $tmp2)
|
468 |
|
|
;; (message-str "CONS FUNCTION IS ")
|
469 |
|
|
;; (%load $tmp1 $zero #x106)
|
470 |
|
|
;; (message-reg $tmp1)
|
471 |
|
|
;; (message-str "TYPE ")
|
472 |
|
|
;; (%get-type $tmp2 $tmp1)
|
473 |
|
|
;; (message-reg $tmp2)
|
474 |
|
|
|
475 |
|
|
|
476 |
|
|
|
477 |
|
|
|
478 |
|
|
:main-loop
|
479 |
|
|
|
480 |
|
|
;; check that phase is valid:
|
481 |
|
|
(%cmp-datum-imm (e-phase) +first-phase+)
|
482 |
|
|
(%branch* $zero :err-invalid-phase N)
|
483 |
|
|
(%cmp-datum-imm (e-phase) (+ +last-phase+ 1))
|
484 |
|
|
(%branch* $zero :err-invalid-phase (not N))
|
485 |
|
|
|
486 |
|
|
;;dispatch:
|
487 |
|
|
(let ((label :phase-dispatch-table))
|
488 |
|
|
(force-label label)
|
489 |
|
|
(jump (e-phase) (- label +first-phase+)))
|
490 |
|
|
|
491 |
|
|
:phase-dispatch-table
|
492 |
|
|
(jump-imm :p-eval)
|
493 |
|
|
(jump-imm :p-eval-args)
|
494 |
|
|
(jump-imm :p-apply)
|
495 |
|
|
(jump-imm :p-eval-if)
|
496 |
|
|
(jump-imm :p-initial)
|
497 |
|
|
(jump-imm :p-env-lookup)
|
498 |
|
|
(jump-imm :p-env-lookup-local)
|
499 |
|
|
(jump-imm :p-apply-function2)
|
500 |
|
|
(jump-imm :p-bind-args)
|
501 |
|
|
(jump-imm :p-eval-progn)
|
502 |
|
|
(jump-imm :p-eval-args-top)
|
503 |
|
|
(jump-imm :p-eval-args-cdr)
|
504 |
|
|
(jump-imm :p-eval-args-cons)
|
505 |
|
|
(jump-imm :p-eval-symbol)
|
506 |
|
|
(jump-imm :p-set!)
|
507 |
|
|
|
508 |
|
|
|
509 |
|
|
;; PHASE: EVAL
|
510 |
|
|
|
511 |
|
|
:p-eval
|
512 |
|
|
(%load $car (e-expr) 0)
|
513 |
|
|
(%cmp-type-imm $car +type-cons+)
|
514 |
|
|
(branchimm :p-eval-form)
|
515 |
|
|
(%cmp-type-imm $car +type-symbol+)
|
516 |
|
|
(branchimm :p-eval-symbol1)
|
517 |
|
|
:p-eval-self-evaluating
|
518 |
|
|
(%cpy $tmp1 (e-expr))
|
519 |
|
|
(pop-eframe)
|
520 |
|
|
(%set-datum (e-result) $tmp1)
|
521 |
|
|
(jump-imm :main-loop-end)
|
522 |
|
|
|
523 |
|
|
|
524 |
|
|
:p-eval-symbol1
|
525 |
|
|
(%cmp-datum-imm (e-expr) +first-magic-var+)
|
526 |
|
|
(%branch* $zero :p-eval-symbol1-regular-var N)
|
527 |
|
|
(%cmp-datum-imm (e-expr) (+ +last-magic-var+ 1))
|
528 |
|
|
(%branch* $zero :p-eval-symbol1-regular-var (not N))
|
529 |
|
|
|
530 |
|
|
:p-eval-symbol1-magic-var
|
531 |
|
|
(%set-datum-imm $tmp1 %area-builtins)
|
532 |
|
|
(%add $tmp1 (e-expr))
|
533 |
|
|
(pop-eframe)
|
534 |
|
|
(%set-datum (e-result) $tmp1)
|
535 |
|
|
;; (%when (%cmp-datum-imm (e-expr) %symbol-table)
|
536 |
|
|
;; (%set-datum-imm (e-result) %area-symlist))
|
537 |
|
|
(jump-imm :main-loop-end)
|
538 |
|
|
|
539 |
|
|
:p-eval-symbol1-regular-var
|
540 |
|
|
(%set-datum $tmp1 (e-expr))
|
541 |
|
|
(%set-datum-imm (e-phase) %phase-eval-symbol)
|
542 |
|
|
(push-eframe)
|
543 |
|
|
(%set-datum (e-expr) $tmp1)
|
544 |
|
|
(%set-datum (e-arg) $f-env)
|
545 |
|
|
(%set-datum-imm (e-phase) %phase-env-lookup)
|
546 |
|
|
(jump-imm :main-loop-end)
|
547 |
|
|
|
548 |
|
|
|
549 |
|
|
:p-eval-form
|
550 |
|
|
(%load $car (e-expr) 0)
|
551 |
|
|
(%load $cdr (e-expr) 1)
|
552 |
|
|
(%cmp-datum-imm $car %quote)
|
553 |
|
|
(branchimm :p-eval-form-quote)
|
554 |
|
|
(%cmp-datum-imm $car %if)
|
555 |
|
|
(branchimm :p-eval-form-if)
|
556 |
|
|
(%cmp-datum-imm $car %lambda)
|
557 |
|
|
(branchimm :p-eval-form-lambda)
|
558 |
|
|
(%cmp-datum-imm $car %progn)
|
559 |
|
|
(branchimm :p-eval-progn1)
|
560 |
|
|
|
561 |
|
|
:p-eval-form-function
|
562 |
|
|
(%set-datum-imm (e-phase) %phase-eval-args-top)
|
563 |
|
|
(%set-datum $tmp1 $car)
|
564 |
|
|
(push-eframe)
|
565 |
|
|
(%set-datum (e-expr) $tmp1)
|
566 |
|
|
(%set-datum-imm (e-phase) %phase-eval)
|
567 |
|
|
(jump-imm :main-loop-end)
|
568 |
|
|
|
569 |
|
|
:p-eval-form-quote
|
570 |
|
|
(%set-datum $tmp1 $cdr)
|
571 |
|
|
(pop-eframe)
|
572 |
|
|
(%load $car $tmp1 0)
|
573 |
|
|
(%set-datum (e-result) $car)
|
574 |
|
|
(jump-imm :main-loop-end)
|
575 |
|
|
|
576 |
|
|
:p-eval-form-lambda ; (%lambda name param-list expr)
|
577 |
|
|
;; TODO check args
|
578 |
|
|
;; TODO take name as additional argument
|
579 |
|
|
(%car $tmp1 $cdr :err-not-a-list) ; $tmp1: name
|
580 |
|
|
(%cdr $cdr $cdr :err-not-a-list) ; $cdr: (param-list expr)
|
581 |
|
|
(%car $tmp2 $cdr :err-not-a-list) ; $tmp2: param-list
|
582 |
|
|
(%cdr $cdr $cdr :err-not-a-list) ; $cdr: (expr)
|
583 |
|
|
(%car $tmp3 $cdr :err-not-a-list) ; $tmp3: expr
|
584 |
|
|
(%cdr $cdr $cdr :err-not-a-list)
|
585 |
|
|
(%cmp-datum-imm $cdr %nil)
|
586 |
|
|
(branchimm-false :err-too-many-args)
|
587 |
|
|
(%cons $tmp4 $f-env $list-terminator) ; $tmp4: (env)
|
588 |
|
|
(%cons $tmp4 $tmp3 $tmp4) ; $tmp4: (expr env)
|
589 |
|
|
(%cons $tmp4 $tmp2 $tmp4) ; $tmp4: (param-list expr env)
|
590 |
|
|
(%cons $tmp4 $tmp1 $tmp4) ; $tmp4: (name param-list expr env)
|
591 |
|
|
(%make-obj $tmp1 $tmp4 +type-function+) ; $tmp1: function (address)
|
592 |
|
|
(pop-eframe)
|
593 |
|
|
(%set-datum (e-result) $tmp1)
|
594 |
|
|
(jump-imm :main-loop-end)
|
595 |
|
|
|
596 |
|
|
:p-eval-form-if ; (%if test a b)
|
597 |
|
|
(%load $tmp1 $cdr 0)
|
598 |
|
|
;;(%load $cdr $cdr 1)
|
599 |
|
|
(%set-datum-imm (e-phase) %phase-eval-if)
|
600 |
|
|
(push-eframe)
|
601 |
|
|
(%set-datum (e-expr) $tmp1)
|
602 |
|
|
(%set-datum-imm (e-phase) %phase-eval)
|
603 |
|
|
(jump-imm :main-loop-end)
|
604 |
|
|
|
605 |
|
|
|
606 |
|
|
;; PHASE: EVAL-IF
|
607 |
|
|
|
608 |
|
|
:p-eval-if ; (%if test a b) caddr, cadddr
|
609 |
|
|
(%load $cdr (e-expr) 1)
|
610 |
|
|
(%load $cdr $cdr 1) ;; cddr
|
611 |
|
|
(%cmp-datum-imm (e-result) %nil)
|
612 |
|
|
(branchimm-false :p-eval-if-true)
|
613 |
|
|
(%load $cdr $cdr 1) ;; cdddr
|
614 |
|
|
:p-eval-if-true
|
615 |
|
|
(%load $car $cdr 0) ;; caddr/cadddr
|
616 |
|
|
(%set-datum (e-expr) $car)
|
617 |
|
|
(%set-datum-imm (e-phase) %phase-eval)
|
618 |
|
|
(jump-imm :main-loop-end)
|
619 |
|
|
|
620 |
|
|
|
621 |
|
|
;; PHASE: EVAL-PROGN
|
622 |
|
|
|
623 |
|
|
:p-eval-progn1 ; this first part belongs to EVAL phase
|
624 |
|
|
(%set-datum (e-arg) $cdr)
|
625 |
|
|
(%set-datum-imm (e-result) %nil)
|
626 |
|
|
(%set-datum-imm (e-phase) %phase-eval-progn)
|
627 |
|
|
:p-eval-progn ; (%progn form ...)
|
628 |
|
|
(%cmp-datum-imm (e-arg) %nil)
|
629 |
|
|
(branchimm :p-eval-progn-empty)
|
630 |
|
|
(%car $tmp1 (e-arg) :err-not-a-list) ; $tmp1: first argument
|
631 |
|
|
(%cdr (e-arg) (e-arg) :err-not-a-list)
|
632 |
|
|
(%cmp-datum-imm (e-arg) %nil)
|
633 |
|
|
(branchimm :p-eval-progn-last)
|
634 |
|
|
;; more than one argument:
|
635 |
|
|
(push-eframe)
|
636 |
|
|
(%set-datum (e-expr) $tmp1)
|
637 |
|
|
(%set-datum-imm (e-phase) %phase-eval)
|
638 |
|
|
(jump-imm :main-loop-end)
|
639 |
|
|
:p-eval-progn-empty ; no arguments
|
640 |
|
|
(pop-eframe)
|
641 |
|
|
(%set-datum-imm (e-result) %nil)
|
642 |
|
|
(jump-imm :main-loop-end)
|
643 |
|
|
:p-eval-progn-last ; exactly one argument, eval it in this eframe
|
644 |
|
|
(%set-datum (e-expr) $tmp1)
|
645 |
|
|
(%set-datum-imm (e-arg) %nil)
|
646 |
|
|
(%set-datum-imm (e-result) %nil)
|
647 |
|
|
(%set-datum-imm (e-phase) %phase-eval)
|
648 |
|
|
(jump-imm :main-loop-end)
|
649 |
|
|
|
650 |
|
|
|
651 |
|
|
;; PHASE: EVAL-SYMBOL
|
652 |
|
|
|
653 |
|
|
:p-eval-symbol
|
654 |
|
|
(%cmp-datum-imm (e-result) %nil)
|
655 |
|
|
(branchimm :err-unbound-symbol)
|
656 |
|
|
(%cdr $tmp1 (e-result) :err-invalid-state)
|
657 |
|
|
(pop-eframe)
|
658 |
|
|
(%set-datum (e-result) $tmp1)
|
659 |
|
|
(jump-imm :main-loop-end)
|
660 |
|
|
|
661 |
|
|
|
662 |
|
|
;; PHASES: EVAL-ARGS, EVAL-ARGS-{TOP,CDR,CONS}
|
663 |
|
|
|
664 |
|
|
:p-eval-args-top
|
665 |
|
|
(%set-datum (e-arg) (e-result)) ; copy function pointer to (e-arg)
|
666 |
|
|
(%set-datum-imm (e-phase) %phase-apply)
|
667 |
|
|
(%cdr $tmp1 (e-expr) :err-malformed-form)
|
668 |
|
|
(push-eframe)
|
669 |
|
|
(%set-datum-imm (e-phase) %phase-eval-args)
|
670 |
|
|
(%set-datum (e-expr) $tmp1)
|
671 |
|
|
(jump-imm :main-loop-end)
|
672 |
|
|
|
673 |
|
|
:p-eval-args
|
674 |
|
|
(%cmp-datum-imm (e-expr) %nil)
|
675 |
|
|
(branchimm :p-eval-args-empty-list)
|
676 |
|
|
(%car $tmp1 (e-expr) :p-eval-args-error)
|
677 |
|
|
(%set-datum-imm (e-phase) %phase-eval-args-cdr)
|
678 |
|
|
(push-eframe)
|
679 |
|
|
(%set-datum (e-expr) $tmp1)
|
680 |
|
|
(%set-datum-imm (e-phase) %phase-eval)
|
681 |
|
|
(jump-imm :main-loop-end)
|
682 |
|
|
:p-eval-args-empty-list
|
683 |
|
|
(pop-eframe)
|
684 |
|
|
(%set-datum-imm (e-result) %nil)
|
685 |
|
|
(jump-imm :main-loop-end)
|
686 |
|
|
;; (%set-datum (e-arg) (e-result))
|
687 |
|
|
;; (%load $cdr (e-expr) 1)
|
688 |
|
|
;; (%cmp-datum-imm $cdr %nil)
|
689 |
|
|
;; (branchimm :p-apply1)
|
690 |
|
|
;; (%load $cdr $cdr 1)
|
691 |
|
|
;; (%load $car $cdr 0)
|
692 |
|
|
;; (%set-datum-imm (e-phase) %phase-apply)
|
693 |
|
|
;; (call :push-e)
|
694 |
|
|
;; (%set-datum (e-expr) $car)
|
695 |
|
|
;; (jump-imm :main-loop-end)
|
696 |
|
|
|
697 |
|
|
:p-eval-args-cdr
|
698 |
|
|
(%set-datum (e-arg) (e-result))
|
699 |
|
|
(%cdr $tmp1 (e-expr) :p-eval-args-error)
|
700 |
|
|
(%set-datum-imm (e-phase) %phase-eval-args-cons)
|
701 |
|
|
(push-eframe)
|
702 |
|
|
(%set-datum (e-expr) $tmp1)
|
703 |
|
|
(%set-datum-imm (e-phase) %phase-eval-args)
|
704 |
|
|
(jump-imm :main-loop-end)
|
705 |
|
|
|
706 |
|
|
:p-eval-args-cons
|
707 |
|
|
(%cons $tmp1 (e-arg) (e-result))
|
708 |
|
|
(pop-eframe)
|
709 |
|
|
(%set-datum (e-result) $tmp1)
|
710 |
|
|
(jump-imm :main-loop-end)
|
711 |
|
|
|
712 |
|
|
:p-eval-args-error ; common to p-eval-args, p-eval-args-cdr, p-eval-args-cons
|
713 |
|
|
(%error %err-invalid-arg-list)
|
714 |
|
|
|
715 |
|
|
|
716 |
|
|
;; PHASE: ENV-LOOKUP
|
717 |
|
|
|
718 |
|
|
:p-env-lookup
|
719 |
|
|
;; (e-expr): variable name (address)
|
720 |
|
|
;; (e-arg): env (address)
|
721 |
|
|
(%cmp-datum-imm (e-result) %nil)
|
722 |
|
|
(branchimm-false :p-env-lookup-ret)
|
723 |
|
|
(%cmp-datum-imm (e-arg) %nil)
|
724 |
|
|
(branchimm :p-env-lookup-ret)
|
725 |
|
|
;;(branchimm :err-unbound-symbol)
|
726 |
|
|
(%set-datum $tmp1 (e-expr))
|
727 |
|
|
(%car $tmp2 (e-arg) :err-invalid-env)
|
728 |
|
|
(%cdr (e-arg) (e-arg) :err-invalid-env)
|
729 |
|
|
(push-eframe)
|
730 |
|
|
(%set-datum (e-expr) $tmp1)
|
731 |
|
|
(%set-datum (e-arg) $tmp2)
|
732 |
|
|
(%set-datum-imm (e-phase) %phase-env-lookup-local)
|
733 |
|
|
(jump-imm :main-loop-end)
|
734 |
|
|
:p-env-lookup-ret
|
735 |
|
|
(%set-datum $tmp1 (e-result))
|
736 |
|
|
(pop-eframe)
|
737 |
|
|
(%set-datum (e-result) $tmp1)
|
738 |
|
|
(jump-imm :main-loop-end)
|
739 |
|
|
|
740 |
|
|
|
741 |
|
|
;; PHASE: ENV-LOOKUP-LOCAL
|
742 |
|
|
|
743 |
|
|
:p-env-lookup-local
|
744 |
|
|
;; (e-expr): variable name (address)
|
745 |
|
|
;; (e-arg): env binding list (address)
|
746 |
|
|
(%set-datum-imm $tmp1 %nil)
|
747 |
|
|
(%cmp-datum-imm (e-arg) %nil)
|
748 |
|
|
(branchimm :p-env-lookup-local-ret)
|
749 |
|
|
(%car $tmp1 (e-arg) :err-invalid-env) ; $tmp1: (symbol . value)
|
750 |
|
|
(%car $tmp2 $tmp1 :err-invalid-env) ; $tmp2: symbol
|
751 |
|
|
(%cmp-datum $tmp2 (e-expr))
|
752 |
|
|
(branchimm :p-env-lookup-local-ret)
|
753 |
|
|
(%cdr (e-arg) (e-arg) :err-invalid-env)
|
754 |
|
|
(jump-imm :main-loop-end)
|
755 |
|
|
:p-env-lookup-local-ret
|
756 |
|
|
(pop-eframe)
|
757 |
|
|
(%set-datum (e-result) $tmp1)
|
758 |
|
|
(jump-imm :main-loop-end)
|
759 |
|
|
|
760 |
|
|
|
761 |
|
|
;; PHASE: BIND-ARGS
|
762 |
|
|
|
763 |
|
|
:p-bind-args
|
764 |
|
|
;; (e-expr): existing bindings
|
765 |
|
|
;; (e-arg): (rest of) param list
|
766 |
|
|
;; (e-result): (rest of) arg list
|
767 |
|
|
(%load $params-car (e-arg) 0)
|
768 |
|
|
;; dispatch on type of param list:
|
769 |
|
|
(%cmp-type-imm $params-car +type-cons+)
|
770 |
|
|
(branchimm :p-bind-args-head)
|
771 |
|
|
(%cmp-type-imm $params-car +type-nil+)
|
772 |
|
|
(branchimm :p-bind-args-empty)
|
773 |
|
|
(%cmp-type-imm $params-car +type-symbol+)
|
774 |
|
|
(branchimm :p-bind-args-tail)
|
775 |
|
|
(jump-imm :err-invalid-param-list)
|
776 |
|
|
|
777 |
|
|
:p-bind-args-head
|
778 |
|
|
;; param list is of form (p1 . rest). check that arg list has form
|
779 |
|
|
;; (a1 . rest) and that p1 is actually a symbol. if so, bind p1 to
|
780 |
|
|
;; a1 and continue cdr-ing down both lists:
|
781 |
|
|
(%load $tmp1 $params-car 0)
|
782 |
|
|
(%cmp-type-imm $tmp1 +type-symbol+)
|
783 |
|
|
(branchimm-false :err-invalid-param-list)
|
784 |
|
|
(%load $args-car (e-result) 0)
|
785 |
|
|
(%cmp-type-imm $args-car +type-cons+)
|
786 |
|
|
(branchimm-false :err-too-few-args)
|
787 |
|
|
;; make a binding (p1 . a1):
|
788 |
|
|
(%cons $tmp1 $params-car $args-car)
|
789 |
|
|
;; cons the new binding on the list:
|
790 |
|
|
(%cons (e-expr) $tmp1 (e-expr))
|
791 |
|
|
;; cdr down param and arg list:
|
792 |
|
|
(%load (e-arg) (e-arg) 1)
|
793 |
|
|
(%load (e-result) (e-result) 1)
|
794 |
|
|
(jump-imm :main-loop-end)
|
795 |
|
|
|
796 |
|
|
:p-bind-args-tail
|
797 |
|
|
;; param list is of form p1, that is, just a single symbol; so
|
798 |
|
|
;; bind this to the whole arglist and return:
|
799 |
|
|
(%cons $tmp1 (e-arg) (e-result))
|
800 |
|
|
(%cons $tmp1 $tmp1 (e-expr))
|
801 |
|
|
(pop-eframe)
|
802 |
|
|
(%set-datum (e-result) $tmp1)
|
803 |
|
|
(jump-imm :main-loop-end)
|
804 |
|
|
|
805 |
|
|
:p-bind-args-empty
|
806 |
|
|
;; empty param list; check that arg list is empty too, and return:
|
807 |
|
|
(%cmp-datum-imm (e-result) %nil)
|
808 |
|
|
(branchimm-false :err-too-many-args)
|
809 |
|
|
(%set-datum $tmp1 (e-expr))
|
810 |
|
|
(pop-eframe)
|
811 |
|
|
(%set-datum (e-result) $tmp1)
|
812 |
|
|
(jump-imm :main-loop-end)
|
813 |
|
|
|
814 |
|
|
|
815 |
|
|
;; PHASE: APPLY
|
816 |
|
|
|
817 |
|
|
:p-apply
|
818 |
|
|
;; (e-arg): function (address)
|
819 |
|
|
;; (e-result): argument list (address)
|
820 |
|
|
(%load $apply-func (e-arg) 0)
|
821 |
|
|
(%cmp-type-imm $apply-func +type-builtin+)
|
822 |
|
|
(branchimm :p-apply-builtin)
|
823 |
|
|
(%cmp-type-imm $apply-func +type-function+)
|
824 |
|
|
(branchimm :p-apply-function1)
|
825 |
|
|
(%error-imm %err-not-a-function)
|
826 |
|
|
|
827 |
|
|
:p-apply-builtin ; $apply-func contains the identifier of the
|
828 |
|
|
; function (the adress of the symbol used for
|
829 |
|
|
; naming it), use this as offset into the table
|
830 |
|
|
; below
|
831 |
|
|
(%set-type-imm $builtin-arg1 +type-none+)
|
832 |
|
|
(%set-type-imm $builtin-arg2 +type-none+)
|
833 |
|
|
(%set-type-imm $builtin-arg3 +type-none+)
|
834 |
|
|
|
835 |
|
|
;; check builtin identifier:
|
836 |
|
|
(%cmp-datum-imm $apply-func +first-builtin+)
|
837 |
|
|
(%branch* $zero :err-invalid-builtin N)
|
838 |
|
|
(%cmp-datum-imm $apply-func (+ +last-builtin+ 1))
|
839 |
|
|
(%branch* $zero :err-invalid-builtin (not N))
|
840 |
|
|
|
841 |
|
|
(let ((label :p-apply-table))
|
842 |
|
|
(force-label label)
|
843 |
|
|
(jump $apply-func (- label +first-builtin+)))
|
844 |
|
|
:p-apply-table
|
845 |
|
|
(jump-imm :builtin-cons)
|
846 |
|
|
(jump-imm :builtin-car)
|
847 |
|
|
(jump-imm :builtin-cdr)
|
848 |
|
|
(jump-imm :builtin-eval)
|
849 |
|
|
(jump-imm :builtin-apply)
|
850 |
|
|
(jump-imm :builtin-type)
|
851 |
|
|
(jump-imm :builtin-make-array)
|
852 |
|
|
(jump-imm :builtin-array-size)
|
853 |
|
|
(jump-imm :builtin-array-get)
|
854 |
|
|
(jump-imm :builtin-array-set)
|
855 |
|
|
(jump-imm :builtin-make-symbol)
|
856 |
|
|
(jump-imm :builtin-symbol-to-string)
|
857 |
|
|
(jump-imm :builtin-char-to-int)
|
858 |
|
|
(jump-imm :builtin-int-to-char)
|
859 |
|
|
(jump-imm :builtin-get-char)
|
860 |
|
|
(jump-imm :builtin-put-char)
|
861 |
|
|
(jump-imm :builtin-num-devices)
|
862 |
|
|
(jump-imm :builtin-device-type)
|
863 |
|
|
(jump-imm :builtin-set-address)
|
864 |
|
|
(jump-imm :builtin-get-address)
|
865 |
|
|
(jump-imm :builtin-error)
|
866 |
|
|
(jump-imm :builtin-add)
|
867 |
|
|
(jump-imm :builtin-sub)
|
868 |
|
|
(jump-imm :builtin-mul)
|
869 |
|
|
(jump-imm :builtin-div)
|
870 |
|
|
(jump-imm :builtin-bitwise-and)
|
871 |
|
|
(jump-imm :builtin-bitwise-or)
|
872 |
|
|
(jump-imm :builtin-bitwise-not)
|
873 |
|
|
(jump-imm :builtin-bitwise-shift)
|
874 |
|
|
(jump-imm :builtin-current-environment)
|
875 |
|
|
(jump-imm :builtin-make-eval-state)
|
876 |
|
|
(jump-imm :builtin-eval-partial)
|
877 |
|
|
(jump-imm :builtin-define)
|
878 |
|
|
(jump-imm :builtin-undefine)
|
879 |
|
|
(jump-imm :builtin-eq?)
|
880 |
|
|
(jump-imm :builtin-num-eq?)
|
881 |
|
|
(jump-imm :builtin-char-eq?)
|
882 |
|
|
(jump-imm :builtin-less-than?)
|
883 |
|
|
(jump-imm :builtin-mod)
|
884 |
|
|
(jump-imm :builtin-set!)
|
885 |
|
|
(jump-imm :builtin-set-car!)
|
886 |
|
|
(jump-imm :builtin-set-cdr!)
|
887 |
|
|
(jump-imm :builtin-function-data)
|
888 |
|
|
(jump-imm :builtin-builtin-name)
|
889 |
|
|
(jump-imm :builtin-device-size)
|
890 |
|
|
(jump-imm :builtin-device-status)
|
891 |
|
|
|
892 |
|
|
:builtin-cons ; (%cons obj1 obj2)
|
893 |
|
|
(%set-type-imm $builtin-arg1 +type-t+)
|
894 |
|
|
(%set-type-imm $builtin-arg2 +type-t+)
|
895 |
|
|
(call :fetch-args)
|
896 |
|
|
(%cons $apply-result $builtin-arg1 $builtin-arg2)
|
897 |
|
|
(jump-imm :p-apply-end)
|
898 |
|
|
|
899 |
|
|
:builtin-car ; (%car cons-cell)
|
900 |
|
|
(%set-type-imm $builtin-arg1 +type-cons+)
|
901 |
|
|
(call :fetch-args)
|
902 |
|
|
(%set-datum $apply-result $builtin-arg1-val)
|
903 |
|
|
(jump-imm :p-apply-end)
|
904 |
|
|
|
905 |
|
|
:builtin-cdr ; (%cdr cons-cell)
|
906 |
|
|
(%set-type-imm $builtin-arg1 +type-cons+)
|
907 |
|
|
(call :fetch-args)
|
908 |
|
|
(%load $apply-result $builtin-arg1 1)
|
909 |
|
|
(jump-imm :p-apply-end)
|
910 |
|
|
|
911 |
|
|
:builtin-eq? ; (%eq? obj1 obj2)
|
912 |
|
|
(%set-type-imm $builtin-arg1 +type-t+)
|
913 |
|
|
(%set-type-imm $builtin-arg2 +type-t+)
|
914 |
|
|
(call :fetch-args)
|
915 |
|
|
(%set-datum-imm $apply-result %nil)
|
916 |
|
|
(when= ($builtin-arg1 $builtin-arg2)
|
917 |
|
|
(%set-datum-imm $apply-result %t))
|
918 |
|
|
(jump-imm :p-apply-end)
|
919 |
|
|
|
920 |
|
|
:builtin-type ; (%type obj)
|
921 |
|
|
(%set-type-imm $builtin-arg1 +type-t+)
|
922 |
|
|
(call :fetch-args)
|
923 |
|
|
(%get-type $tmp1 $builtin-arg1-val)
|
924 |
|
|
(%make-obj $apply-result $tmp1 +type-int+)
|
925 |
|
|
(jump-imm :p-apply-end)
|
926 |
|
|
|
927 |
|
|
:builtin-eval ; (%eval expr env)
|
928 |
|
|
(%set-type-imm $builtin-arg1 +type-t+)
|
929 |
|
|
(%set-type-imm $builtin-arg2 +type-t+)
|
930 |
|
|
(call :fetch-args)
|
931 |
|
|
(%set-datum $apply-eval-expr $builtin-arg1)
|
932 |
|
|
(%set-datum $apply-eval-env $builtin-arg2)
|
933 |
|
|
(call :push-or-reuse-fframe)
|
934 |
|
|
(%set-datum-imm $f-func %eval) ; should maybe have a dedicated symbol for this
|
935 |
|
|
(%set-datum $f-env $apply-eval-env)
|
936 |
|
|
(%set-datum (e-expr) $apply-eval-expr)
|
937 |
|
|
(%set-datum-imm (e-phase) %phase-eval)
|
938 |
|
|
(jump-imm :main-loop-end) ; note: not :p-apply-end
|
939 |
|
|
|
940 |
|
|
:builtin-apply ; (%apply func args)
|
941 |
|
|
;; move stuff around and go through APPLY phase again:
|
942 |
|
|
(%set-type-imm $builtin-arg1 +type-t+) ; function or builtin
|
943 |
|
|
(%set-type-imm $builtin-arg2 +type-t+) ; list (cons or nil)
|
944 |
|
|
(call :fetch-args)
|
945 |
|
|
(%set-datum (e-arg) $builtin-arg1)
|
946 |
|
|
(%set-datum (e-result) $builtin-arg2)
|
947 |
|
|
(jump-imm :main-loop-end)
|
948 |
|
|
|
949 |
|
|
:builtin-make-array ; (%make-array size init-value)
|
950 |
|
|
(%set-type-imm $builtin-arg1 +type-int+)
|
951 |
|
|
(%set-type-imm $builtin-arg2 +type-t+)
|
952 |
|
|
(call :fetch-args)
|
953 |
|
|
;; TODO check size
|
954 |
|
|
(%set-datum $tmp1 $builtin-arg1-val)
|
955 |
|
|
(%add $tmp1 $two) ; $tmp1: words needed (array object + pointers + end marker)
|
956 |
|
|
(alloc $tmp1)
|
957 |
|
|
(%store-typed $builtin-arg1-val $alloc-addr 0 +type-array+)
|
958 |
|
|
(%add $tmp1 $alloc-addr)
|
959 |
|
|
(%decr $tmp1) ; $tmp1: address of end marker
|
960 |
|
|
(%set-datum $tmp2 $alloc-addr)
|
961 |
|
|
(%incr $tmp2) ; $tmp2: address to store pointer at
|
962 |
|
|
:builtin-make-array-loop
|
963 |
|
|
(%store-typed $builtin-arg2 $tmp2 0 +type-ptr+)
|
964 |
|
|
(%incr $tmp2)
|
965 |
|
|
(%cmp-datum $tmp2 $tmp1)
|
966 |
|
|
(branchimm-false :builtin-make-array-loop)
|
967 |
|
|
(%store-typed $zero $tmp2 0 +type-snoc+) ; end marker
|
968 |
|
|
(%set-datum $apply-result $alloc-addr)
|
969 |
|
|
(jump-imm :p-apply-end)
|
970 |
|
|
|
971 |
|
|
:builtin-array-size ; (%array-size array)
|
972 |
|
|
(%set-type-imm $builtin-arg1 +type-array+)
|
973 |
|
|
(call :fetch-args)
|
974 |
|
|
(%make-obj $apply-result $builtin-arg1-val +type-int+)
|
975 |
|
|
(jump-imm :p-apply-end)
|
976 |
|
|
|
977 |
|
|
:builtin-array-get ; (%array-get array index)
|
978 |
|
|
(%set-type-imm $builtin-arg1 +type-array+)
|
979 |
|
|
(%set-type-imm $builtin-arg2 +type-int+)
|
980 |
|
|
(call :fetch-args)
|
981 |
|
|
|
982 |
|
|
;; check index;
|
983 |
|
|
(%cmp-datum $builtin-arg2-val $builtin-arg1-val)
|
984 |
|
|
(%branch* $zero :err-invalid-array-index (not N))
|
985 |
|
|
(%cmp-datum $builtin-arg2-val $zero)
|
986 |
|
|
(%branch* $zero :err-invalid-array-index N)
|
987 |
|
|
|
988 |
|
|
(%add* $tmp1 $builtin-arg1 $builtin-arg2-val)
|
989 |
|
|
(%load $apply-result $tmp1 1)
|
990 |
|
|
(jump-imm :p-apply-end)
|
991 |
|
|
|
992 |
|
|
:builtin-array-set ; (%array-set array index value) => array
|
993 |
|
|
(%set-type-imm $builtin-arg1 +type-array+)
|
994 |
|
|
(%set-type-imm $builtin-arg2 +type-int+)
|
995 |
|
|
(%set-type-imm $builtin-arg3 +type-t+)
|
996 |
|
|
(call :fetch-args)
|
997 |
|
|
|
998 |
|
|
;; check index;
|
999 |
|
|
(%cmp-datum $builtin-arg2-val $builtin-arg1-val)
|
1000 |
|
|
(%branch* $zero :err-invalid-array-index (not N))
|
1001 |
|
|
(%cmp-datum $builtin-arg2-val $zero)
|
1002 |
|
|
(%branch* $zero :err-invalid-array-index N)
|
1003 |
|
|
|
1004 |
|
|
(%add* $tmp1 $builtin-arg1 $builtin-arg2-val)
|
1005 |
|
|
(%store-typed $builtin-arg3 $tmp1 1 +type-ptr+)
|
1006 |
|
|
(%set-datum $apply-result $builtin-arg1)
|
1007 |
|
|
(jump-imm :p-apply-end)
|
1008 |
|
|
|
1009 |
|
|
:builtin-make-symbol ; (%make-symbol str)
|
1010 |
|
|
(%set-type-imm $builtin-arg1 +type-array+) ; TODO check that it is a string
|
1011 |
|
|
(call :fetch-args)
|
1012 |
|
|
(%make-obj $apply-result $builtin-arg1 +type-symbol+)
|
1013 |
|
|
(jump-imm :p-apply-end)
|
1014 |
|
|
|
1015 |
|
|
:builtin-symbol-to-string ; (%symbol-to-string symb)
|
1016 |
|
|
(%set-type-imm $builtin-arg1 +type-symbol+)
|
1017 |
|
|
(call :fetch-args)
|
1018 |
|
|
(%set-datum $apply-result $builtin-arg1-val)
|
1019 |
|
|
(jump-imm :p-apply-end)
|
1020 |
|
|
|
1021 |
|
|
:builtin-char-to-int ; (%char-to-int ch)
|
1022 |
|
|
(%set-type-imm $builtin-arg1 +type-char+)
|
1023 |
|
|
(call :fetch-args)
|
1024 |
|
|
(%make-int $apply-result $builtin-arg1-val)
|
1025 |
|
|
(jump-imm :p-apply-end)
|
1026 |
|
|
|
1027 |
|
|
:builtin-int-to-char ; (%int-to-char n)
|
1028 |
|
|
(%set-type-imm $builtin-arg1 +type-int+)
|
1029 |
|
|
(call :fetch-args)
|
1030 |
|
|
(%make-char $apply-result $builtin-arg1-val)
|
1031 |
|
|
;;(%make-obj $apply-result $builtin-arg1-val +type-char+)
|
1032 |
|
|
(jump-imm :p-apply-end)
|
1033 |
|
|
|
1034 |
|
|
:builtin-char-eq? ; (%char-eq? ch1 ch2)
|
1035 |
|
|
(%set-type-imm $builtin-arg1 +type-char+)
|
1036 |
|
|
(%set-type-imm $builtin-arg2 +type-char+)
|
1037 |
|
|
(call :fetch-args)
|
1038 |
|
|
(%set-datum-imm $apply-result %nil)
|
1039 |
|
|
(%when (%cmp-datum $builtin-arg1-val $builtin-arg2-val)
|
1040 |
|
|
(%set-datum-imm $apply-result %t))
|
1041 |
|
|
(jump-imm :p-apply-end)
|
1042 |
|
|
|
1043 |
|
|
:builtin-get-char ; (%get-char devnr)
|
1044 |
|
|
(%set-type-imm $builtin-arg1 +type-int+)
|
1045 |
|
|
(call :fetch-args)
|
1046 |
|
|
(select-device $builtin-arg1-val)
|
1047 |
|
|
;; :builtin-get-char-read
|
1048 |
|
|
(%load-typed $tmp1 $io-mem-addr %io-object +type-char+ :err-io-error)
|
1049 |
|
|
;; TODO handle errors
|
1050 |
|
|
(%make-char $apply-result $tmp1)
|
1051 |
|
|
(jump-imm :p-apply-end)
|
1052 |
|
|
|
1053 |
|
|
;; :builtin-get-char-io-error
|
1054 |
|
|
;; (message-str "I/O ERROR")
|
1055 |
|
|
;; (message-reg $tmp1)
|
1056 |
|
|
;; (%get-type $tmp2 $tmp1)
|
1057 |
|
|
;; (message-reg $tmp2)
|
1058 |
|
|
;; (jump-imm :builtin-get-char-read)
|
1059 |
|
|
|
1060 |
|
|
:builtin-put-char ; (%put-char devnr ch) => ch
|
1061 |
|
|
(%set-type-imm $builtin-arg1 +type-int+)
|
1062 |
|
|
(%set-type-imm $builtin-arg2 +type-char+)
|
1063 |
|
|
(call :fetch-args)
|
1064 |
|
|
(select-device $builtin-arg1-val)
|
1065 |
|
|
(%store $builtin-arg2-val $io-mem-addr %io-object)
|
1066 |
|
|
;; TODO handle errors
|
1067 |
|
|
(%set-datum $apply-result $builtin-arg2)
|
1068 |
|
|
(jump-imm :p-apply-end)
|
1069 |
|
|
|
1070 |
|
|
:builtin-num-devices ; (%num-devices)
|
1071 |
|
|
(call :fetch-args)
|
1072 |
|
|
(%load-typed $tmp1 $io-mem-addr %io-devices +type-int+ :err-io-error)
|
1073 |
|
|
(%make-int $apply-result $tmp1)
|
1074 |
|
|
(jump-imm :p-apply-end)
|
1075 |
|
|
|
1076 |
|
|
:builtin-device-type ; (%device-type devnr)
|
1077 |
|
|
(%set-type-imm $builtin-arg1 +type-int+)
|
1078 |
|
|
(call :fetch-args)
|
1079 |
|
|
(select-device $builtin-arg1-val)
|
1080 |
|
|
(%load-typed $tmp1 $io-mem-addr %io-identification +type-int+ :err-io-error)
|
1081 |
|
|
(%make-int $apply-result $tmp1)
|
1082 |
|
|
(jump-imm :p-apply-end)
|
1083 |
|
|
|
1084 |
|
|
:builtin-set-address ; (%set-address devnr addr) => addr
|
1085 |
|
|
;; only sets lower part of address as of now
|
1086 |
|
|
(%set-type-imm $builtin-arg1 +type-int+)
|
1087 |
|
|
(%set-type-imm $builtin-arg2 +type-int+)
|
1088 |
|
|
(call :fetch-args)
|
1089 |
|
|
(select-device $builtin-arg1-val)
|
1090 |
|
|
(%store-typed $builtin-arg2-val $io-mem-addr %io-addr-l +type-int+)
|
1091 |
|
|
(%set-datum $apply-result $builtin-arg2)
|
1092 |
|
|
(jump-imm :p-apply-end)
|
1093 |
|
|
|
1094 |
|
|
:builtin-get-address ; (%get-address devnr)
|
1095 |
|
|
;; only gets lower part of address as of now
|
1096 |
|
|
(%set-type-imm $builtin-arg1 +type-int+)
|
1097 |
|
|
(call :fetch-args)
|
1098 |
|
|
(select-device $builtin-arg1-val)
|
1099 |
|
|
(%load-typed $tmp1 $io-mem-addr %io-addr-l +type-int+ :err-io-error)
|
1100 |
|
|
(%make-int $apply-result $tmp1)
|
1101 |
|
|
(jump-imm :p-apply-end)
|
1102 |
|
|
|
1103 |
|
|
:builtin-device-size ; (%builtin-device-size devnr)
|
1104 |
|
|
;; only get lower part of size
|
1105 |
|
|
(%set-type-imm $builtin-arg1 +type-int+)
|
1106 |
|
|
(call :fetch-args)
|
1107 |
|
|
(select-device $builtin-arg1-val)
|
1108 |
|
|
(%load-typed $tmp1 $io-mem-addr %io-size-l +type-int+ :err-io-error)
|
1109 |
|
|
(%make-int $apply-result $tmp1)
|
1110 |
|
|
(jump-imm :p-apply-end)
|
1111 |
|
|
|
1112 |
|
|
:builtin-device-status ; (%builtin-device-status devnr)
|
1113 |
|
|
(%set-type-imm $builtin-arg1 +type-int+)
|
1114 |
|
|
(call :fetch-args)
|
1115 |
|
|
(select-device $builtin-arg1-val)
|
1116 |
|
|
(%load-typed $tmp1 $io-mem-addr %io-status +type-int+ :err-io-error)
|
1117 |
|
|
(%make-int $apply-result $tmp1)
|
1118 |
|
|
(jump-imm :p-apply-end)
|
1119 |
|
|
|
1120 |
|
|
|
1121 |
|
|
|
1122 |
|
|
:builtin-error ; (%error reason)
|
1123 |
|
|
(%set-type-imm $builtin-arg1 +type-t+)
|
1124 |
|
|
(call :fetch-args)
|
1125 |
|
|
(%error $builtin-arg1)
|
1126 |
|
|
|
1127 |
|
|
:builtin-add
|
1128 |
|
|
(call :builtin-binop-fetch-args)
|
1129 |
|
|
(%add* $apply-result-val $builtin-arg1-val $builtin-arg2-val)
|
1130 |
|
|
(%branch* $zero :err-overflow O)
|
1131 |
|
|
(jump-imm :builtin-binop-end)
|
1132 |
|
|
:builtin-sub
|
1133 |
|
|
(call :builtin-binop-fetch-args)
|
1134 |
|
|
(%sub* $apply-result-val $builtin-arg1-val $builtin-arg2-val)
|
1135 |
|
|
(%branch* $zero :err-overflow O)
|
1136 |
|
|
(jump-imm :builtin-binop-end)
|
1137 |
|
|
:builtin-mul
|
1138 |
|
|
(call :builtin-binop-fetch-args)
|
1139 |
|
|
(%mul* $apply-result-val $builtin-arg1-val $builtin-arg2-val)
|
1140 |
|
|
(%branch* $zero :err-overflow O)
|
1141 |
|
|
(jump-imm :builtin-binop-end)
|
1142 |
|
|
:builtin-div
|
1143 |
|
|
(call :builtin-binop-fetch-args)
|
1144 |
|
|
(%when (%cmp-datum-imm $builtin-arg2-val 0)
|
1145 |
|
|
(%error-imm %err-division-by-zero))
|
1146 |
|
|
;; binary search for the answer
|
1147 |
|
|
(call :div-wrapper)
|
1148 |
|
|
(jump-imm :builtin-binop-end)
|
1149 |
|
|
:div-wrapper
|
1150 |
|
|
(%sub* $div-res $zero $one)
|
1151 |
|
|
(%cpy $div-sign $one)
|
1152 |
|
|
(%cmp-datum $builtin-arg1-val $zero)
|
1153 |
|
|
(%branch* $zero :div-nozero1 (not N))
|
1154 |
|
|
(%xor $div-sign $one)
|
1155 |
|
|
(%mul $builtin-arg1-val $div-res)
|
1156 |
|
|
:div-nozero1
|
1157 |
|
|
(%cmp-datum $builtin-arg2-val $zero)
|
1158 |
|
|
(%branch* $zero :div-nozero2 (not N))
|
1159 |
|
|
(%xor $div-sign $one)
|
1160 |
|
|
(%mul $builtin-arg2-val $div-res)
|
1161 |
|
|
:div-nozero2
|
1162 |
|
|
(%cmp-datum $div-sign $zero)
|
1163 |
|
|
(branchimm-false :div-nofix)
|
1164 |
|
|
(%sub $div-sign $one)
|
1165 |
|
|
:div-nofix
|
1166 |
|
|
(call :div-noneg)
|
1167 |
|
|
:div-afterdiv
|
1168 |
|
|
(%mul $div-low $div-sign)
|
1169 |
|
|
(%cpy $apply-result-val $div-low)
|
1170 |
|
|
:div-slutten
|
1171 |
|
|
(ret)
|
1172 |
|
|
|
1173 |
|
|
;; binaersoek: gitt arg1, arg2:
|
1174 |
|
|
;; finn ans slik at ans*arg2<=arg1 og (ans+1)*arg2>arg1
|
1175 |
|
|
|
1176 |
|
|
:div-noneg
|
1177 |
|
|
(%cmp-datum $builtin-arg1-val $builtin-arg2-val)
|
1178 |
|
|
(branchimm-false :div-notequal)
|
1179 |
|
|
(%cpy $div-low $one)
|
1180 |
|
|
(ret)
|
1181 |
|
|
:div-notequal
|
1182 |
|
|
(%cmp-datum $builtin-arg1-val $builtin-arg2-val)
|
1183 |
|
|
(%branch* $zero :div-fortsett (not N))
|
1184 |
|
|
(%cpy $div-low $zero)
|
1185 |
|
|
(ret)
|
1186 |
|
|
:div-fortsett
|
1187 |
|
|
(%set-datum $div-low $one)
|
1188 |
|
|
(%set-type-imm $div-low +type-int+)
|
1189 |
|
|
(%set-datum-imm $div-high 18631)
|
1190 |
|
|
(%set-type-imm $div-high +type-int+)
|
1191 |
|
|
(%set-datum-imm $div-mid 1801)
|
1192 |
|
|
(%set-type-imm $div-mid +type-int+)
|
1193 |
|
|
(%mul $div-high $div-mid) ;; voila, 2^25-1 (luckily 25 isn't prime)
|
1194 |
|
|
|
1195 |
|
|
(%cmp-datum $builtin-arg2-val $zero)
|
1196 |
|
|
(branchimm-false :div-check1)
|
1197 |
|
|
(%cpy $div-low $zero)
|
1198 |
|
|
(jump-imm :div-end)
|
1199 |
|
|
;; error
|
1200 |
|
|
:div-check1
|
1201 |
|
|
(%sub* $div-mid $div-high $div-low)
|
1202 |
|
|
(%cmp-datum $div-mid $one)
|
1203 |
|
|
(branchimm :div-end)
|
1204 |
|
|
|
1205 |
|
|
:div-bsloop
|
1206 |
|
|
(%sub* $div-mid $div-high $div-low)
|
1207 |
|
|
(%shift-r $div-mid $one)
|
1208 |
|
|
(%add $div-mid $div-low)
|
1209 |
|
|
(%mul* $div-res $div-mid $builtin-arg2-val)
|
1210 |
|
|
(%branch* $zero :div-toohigh O)
|
1211 |
|
|
(%sub $div-res $one)
|
1212 |
|
|
(%cmp-datum $div-res $builtin-arg1-val)
|
1213 |
|
|
(%branch* $zero :div-toohigh (not N))
|
1214 |
|
|
(%cpy $div-low $div-mid)
|
1215 |
|
|
(jump-imm :div-check1)
|
1216 |
|
|
:div-toohigh
|
1217 |
|
|
(%cpy $div-high $div-mid)
|
1218 |
|
|
(jump-imm :div-check1)
|
1219 |
|
|
:div-end
|
1220 |
|
|
(ret)
|
1221 |
|
|
:builtin-mod
|
1222 |
|
|
(call :builtin-binop-fetch-args)
|
1223 |
|
|
(%cpy $mod-val1 $builtin-arg1-val)
|
1224 |
|
|
(%cpy $mod-val2 $builtin-arg2-val)
|
1225 |
|
|
(%when (%cmp-datum-imm $builtin-arg2-val 0)
|
1226 |
|
|
(%error-imm %err-division-by-zero))
|
1227 |
|
|
(call :div-wrapper)
|
1228 |
|
|
:modbreak
|
1229 |
|
|
(%mul $apply-result-val $mod-val2)
|
1230 |
|
|
(%sub $mod-val1 $apply-result-val)
|
1231 |
|
|
(%cpy $apply-result-val $mod-val1)
|
1232 |
|
|
(jump-imm :builtin-binop-end)
|
1233 |
|
|
:builtin-bitwise-and
|
1234 |
|
|
(call :builtin-binop-fetch-args)
|
1235 |
|
|
(%and* $apply-result-val $builtin-arg1-val $builtin-arg2-val)
|
1236 |
|
|
(jump-imm :builtin-binop-end)
|
1237 |
|
|
:builtin-bitwise-or
|
1238 |
|
|
(call :builtin-binop-fetch-args)
|
1239 |
|
|
(%or* $apply-result-val $builtin-arg1-val $builtin-arg2-val)
|
1240 |
|
|
(jump-imm :builtin-binop-end)
|
1241 |
|
|
:builtin-bitwise-not
|
1242 |
|
|
(%set-type-imm $builtin-arg1 +type-int+)
|
1243 |
|
|
(call :fetch-args)
|
1244 |
|
|
(%set-type-imm $apply-result-val +type-int+)
|
1245 |
|
|
(%not $apply-result-val $builtin-arg1-val)
|
1246 |
|
|
(jump-imm :p-apply-end)
|
1247 |
|
|
:builtin-bitwise-shift
|
1248 |
|
|
(%set-type-imm $builtin-arg1 +type-int+)
|
1249 |
|
|
(%set-type-imm $builtin-arg2 +type-int+)
|
1250 |
|
|
(call :fetch-args)
|
1251 |
|
|
(%cpy $apply-result-val $builtin-arg1-val)
|
1252 |
|
|
(%cmp-datum-imm $builtin-arg2-val 0)
|
1253 |
|
|
(%branch* $zero :builtin-bitwise-shift-right N)
|
1254 |
|
|
(%shift-l $apply-result-val $builtin-arg2-val)
|
1255 |
|
|
(jump-imm :builtin-binop-end)
|
1256 |
|
|
:builtin-bitwise-shift-right
|
1257 |
|
|
(%cpy $tmp1 $zero)
|
1258 |
|
|
(%sub $tmp1 $builtin-arg2-val) ; $tmp1 = -arg2
|
1259 |
|
|
(%shift-r $apply-result-val $tmp1)
|
1260 |
|
|
(jump-imm :builtin-binop-end)
|
1261 |
|
|
|
1262 |
|
|
:builtin-binop-fetch-args ; subroutine
|
1263 |
|
|
;; (%set-type-imm $builtin-arg1 +type-t+)
|
1264 |
|
|
;; (%set-type-imm $builtin-arg2 +type-t+)
|
1265 |
|
|
(%set-type-imm $builtin-arg1 +type-int+) ; assume all binops want INTs as args
|
1266 |
|
|
(%set-type-imm $builtin-arg2 +type-int+)
|
1267 |
|
|
(jump-imm :fetch-args) ; tail call
|
1268 |
|
|
|
1269 |
|
|
:builtin-binop-end
|
1270 |
|
|
;; TODO check for errors
|
1271 |
|
|
(%cmp-type-imm $apply-result-val +type-int+)
|
1272 |
|
|
(branchimm :builtin-binop-end-int)
|
1273 |
|
|
(alloc-imm 1)
|
1274 |
|
|
(%store $apply-result-val $alloc-addr 0)
|
1275 |
|
|
(%set-datum $apply-result $alloc-addr)
|
1276 |
|
|
(jump-imm :p-apply-end)
|
1277 |
|
|
:builtin-binop-end-int
|
1278 |
|
|
(%make-int $apply-result $apply-result-val)
|
1279 |
|
|
(jump-imm :p-apply-end)
|
1280 |
|
|
|
1281 |
|
|
:builtin-num-eq? ; (%num-eq? n1 n2)
|
1282 |
|
|
(call :builtin-binop-fetch-args)
|
1283 |
|
|
(%set-datum-imm $apply-result %nil)
|
1284 |
|
|
(%when (%cmp-datum $builtin-arg1-val $builtin-arg2-val)
|
1285 |
|
|
(%set-datum-imm $apply-result %t))
|
1286 |
|
|
(jump-imm :p-apply-end)
|
1287 |
|
|
|
1288 |
|
|
:builtin-less-than? ; (%less-than? n1 n2)
|
1289 |
|
|
(call :builtin-binop-fetch-args)
|
1290 |
|
|
(%set-datum-imm $apply-result %t)
|
1291 |
|
|
(%cmp-datum $builtin-arg1-val $builtin-arg2-val)
|
1292 |
|
|
(%branch* $zero :builtin-less-than?-end N)
|
1293 |
|
|
(%set-datum-imm $apply-result %nil)
|
1294 |
|
|
:builtin-less-than?-end
|
1295 |
|
|
(jump-imm :p-apply-end)
|
1296 |
|
|
|
1297 |
|
|
:builtin-current-environment ; (%current-environment)
|
1298 |
|
|
(call :fetch-args)
|
1299 |
|
|
(%set-datum $apply-result $f-env)
|
1300 |
|
|
(jump-imm :p-apply-end)
|
1301 |
|
|
|
1302 |
|
|
:builtin-make-eval-state ; (%make-eval-state expr env)
|
1303 |
|
|
(%set-type-imm $builtin-arg1 +type-t+)
|
1304 |
|
|
(%set-type-imm $builtin-arg2 +type-t+)
|
1305 |
|
|
(call :fetch-args)
|
1306 |
|
|
;; TODO should we do some typechecking here?
|
1307 |
|
|
(%set-datum $tmp1 $builtin-arg1)
|
1308 |
|
|
(%set-datum $tmp2 $builtin-arg2)
|
1309 |
|
|
(pop-eframe)
|
1310 |
|
|
(call :push-s)
|
1311 |
|
|
(call :init-evaluation-level)
|
1312 |
|
|
(%set-datum (e-expr) $tmp1)
|
1313 |
|
|
(%set-datum-imm (e-phase) %phase-eval)
|
1314 |
|
|
(%set-datum $f-env $tmp2)
|
1315 |
|
|
(call :interrupt)
|
1316 |
|
|
(jump-imm :main-loop-end) ; note: not :p-apply-end
|
1317 |
|
|
|
1318 |
|
|
:builtin-eval-partial ; (%eval-partial state iterations) => new-state
|
1319 |
|
|
(%set-type-imm $builtin-arg1 +type-t+)
|
1320 |
|
|
(%set-type-imm $builtin-arg2 +type-int+)
|
1321 |
|
|
(call :fetch-args)
|
1322 |
|
|
;; TODO should we do some typechecking here?
|
1323 |
|
|
(%set-datum $tmp1 $builtin-arg1)
|
1324 |
|
|
(%set-datum $tmp2 $builtin-arg2-val)
|
1325 |
|
|
(pop-eframe)
|
1326 |
|
|
(call :push-s)
|
1327 |
|
|
(%set-datum $s-addr $tmp1)
|
1328 |
|
|
(call :load-sframe-without-parent)
|
1329 |
|
|
(%set-datum $s-iterations $tmp2)
|
1330 |
|
|
(jump-imm :main-loop)
|
1331 |
|
|
|
1332 |
|
|
:builtin-define ; (%define symb val) => val
|
1333 |
|
|
(%set-type-imm $builtin-arg1 +type-symbol+)
|
1334 |
|
|
(%set-type-imm $builtin-arg2 +type-t+)
|
1335 |
|
|
(call :fetch-args)
|
1336 |
|
|
(%cons $tmp1 $builtin-arg1 $builtin-arg2) ; $tmp1: new binding
|
1337 |
|
|
(%car $tmp2 $f-env :err-invalid-env) ; $tmp2: local binding list
|
1338 |
|
|
(%cons $tmp1 $tmp1 $tmp2) ; $tmp1: new local binding list
|
1339 |
|
|
(%store-typed $tmp1 $f-env 0 +type-cons+) ; (set-car! $f-env $tmp1)
|
1340 |
|
|
(%set-datum $apply-result $builtin-arg2)
|
1341 |
|
|
(jump-imm :p-apply-end)
|
1342 |
|
|
|
1343 |
|
|
:builtin-undefine ; (%undefine symb) => nil
|
1344 |
|
|
;;(%set-type-imm $builtin-arg1 +type-symbol+)
|
1345 |
|
|
;;(call :fetch-args)
|
1346 |
|
|
;;TODO
|
1347 |
|
|
(message-str "UNDEF")
|
1348 |
|
|
(%halt)
|
1349 |
|
|
|
1350 |
|
|
:builtin-set! ; (%set! symb val) => val
|
1351 |
|
|
(%set-type-imm $builtin-arg1 +type-symbol+)
|
1352 |
|
|
(%set-type-imm $builtin-arg2 +type-t+)
|
1353 |
|
|
(call :fetch-args)
|
1354 |
|
|
(%set-datum $tmp1 $builtin-arg1)
|
1355 |
|
|
(%set-datum (e-arg) $builtin-arg2)
|
1356 |
|
|
(%set-datum-imm (e-phase) %phase-set!)
|
1357 |
|
|
(push-eframe)
|
1358 |
|
|
(%set-datum (e-expr) $tmp1)
|
1359 |
|
|
(%set-datum (e-arg) $f-env)
|
1360 |
|
|
(%set-datum-imm (e-phase) %phase-env-lookup)
|
1361 |
|
|
(jump-imm :main-loop-end)
|
1362 |
|
|
|
1363 |
|
|
:builtin-set-car! ; (%set-car! cell val) => val
|
1364 |
|
|
(%set-type-imm $builtin-arg1 +type-cons+)
|
1365 |
|
|
(%set-type-imm $builtin-arg2 +type-t+)
|
1366 |
|
|
(call :fetch-args)
|
1367 |
|
|
(%store-typed $builtin-arg2 $builtin-arg1 0 +type-cons+)
|
1368 |
|
|
(%set-datum $apply-result $builtin-arg2)
|
1369 |
|
|
(jump-imm :p-apply-end)
|
1370 |
|
|
|
1371 |
|
|
:builtin-set-cdr! ; (%set-cdr! cell val) => val
|
1372 |
|
|
(%set-type-imm $builtin-arg1 +type-cons+)
|
1373 |
|
|
(%set-type-imm $builtin-arg2 +type-t+)
|
1374 |
|
|
(call :fetch-args)
|
1375 |
|
|
(%store-typed $builtin-arg2 $builtin-arg1 0 +type-snoc+)
|
1376 |
|
|
(%set-datum $apply-result $builtin-arg2)
|
1377 |
|
|
(jump-imm :p-apply-end)
|
1378 |
|
|
|
1379 |
|
|
:builtin-function-data
|
1380 |
|
|
(%set-type-imm $builtin-arg1 +type-function+)
|
1381 |
|
|
(call :fetch-args)
|
1382 |
|
|
(%load $apply-result $builtin-arg1 0)
|
1383 |
|
|
(jump-imm :p-apply-end)
|
1384 |
|
|
|
1385 |
|
|
:builtin-builtin-name
|
1386 |
|
|
(%set-type-imm $builtin-arg1 +type-builtin+)
|
1387 |
|
|
(call :fetch-args)
|
1388 |
|
|
(%load $apply-result $builtin-arg1 0)
|
1389 |
|
|
(jump-imm :p-apply-end)
|
1390 |
|
|
|
1391 |
|
|
|
1392 |
|
|
:p-apply-end
|
1393 |
|
|
(pop-eframe)
|
1394 |
|
|
(%set-datum (e-result) $apply-result)
|
1395 |
|
|
(jump-imm :main-loop-end)
|
1396 |
|
|
|
1397 |
|
|
|
1398 |
|
|
;; subroutine for getting the arguments to a builtin function
|
1399 |
|
|
:fetch-args
|
1400 |
|
|
(%set-datum $fetch-args-arglist (e-result))
|
1401 |
|
|
|
1402 |
|
|
(%set-datum-imm $fetch-args-arg-reg $builtin-arg1)
|
1403 |
|
|
(%set-datum-imm $fetch-args-argval-reg $builtin-arg1-val)
|
1404 |
|
|
:fetch-args-loop
|
1405 |
|
|
|
1406 |
|
|
(%cmp-type-imm (indirect-register $fetch-args-arg-reg) +type-none+)
|
1407 |
|
|
(branchimm :fetch-args-end)
|
1408 |
|
|
(%car $fetch-args-arg $fetch-args-arglist :err-too-few-args)
|
1409 |
|
|
(%load $fetch-args-argval $fetch-args-arg 0)
|
1410 |
|
|
(%when-not (%cmp-type-imm (indirect-register $fetch-args-arg-reg) +type-t+)
|
1411 |
|
|
(%when-not (%cmp-type (indirect-register $fetch-args-arg-reg) $fetch-args-argval)
|
1412 |
|
|
(%error-imm %err-type-error)))
|
1413 |
|
|
(%cpy (indirect-register $fetch-args-arg-reg) $fetch-args-arg)
|
1414 |
|
|
(%cpy (indirect-register $fetch-args-argval-reg) $fetch-args-argval)
|
1415 |
|
|
(%cdr $fetch-args-arglist $fetch-args-arglist :err-too-few-args)
|
1416 |
|
|
|
1417 |
|
|
(%cmp-datum-imm $fetch-args-arg-reg $builtin-arg3)
|
1418 |
|
|
(branchimm :fetch-args-end)
|
1419 |
|
|
(%add $fetch-args-arg-reg $one)
|
1420 |
|
|
(%add $fetch-args-argval-reg $one)
|
1421 |
|
|
(jump-imm :fetch-args-loop)
|
1422 |
|
|
|
1423 |
|
|
:fetch-args-end
|
1424 |
|
|
(%cmp-datum-imm $fetch-args-arglist %nil)
|
1425 |
|
|
(branchimm-false :err-too-many-args)
|
1426 |
|
|
(ret)
|
1427 |
|
|
|
1428 |
|
|
|
1429 |
|
|
|
1430 |
|
|
:p-apply-function1
|
1431 |
|
|
(%set-datum-imm (e-phase) %phase-apply-function)
|
1432 |
|
|
(%cdr $tmp1 $apply-func :err-invalid-function) ; $tmp1: (param-list expr env)
|
1433 |
|
|
(%car $tmp1 $tmp1 :err-invalid-function) ; $tmp1: param list
|
1434 |
|
|
(%set-datum $tmp2 (e-result)) ; $tmp2: arg list
|
1435 |
|
|
(push-eframe)
|
1436 |
|
|
(%set-datum-imm (e-expr) %nil)
|
1437 |
|
|
(%set-datum (e-arg) $tmp1)
|
1438 |
|
|
(%set-datum (e-result) $tmp2)
|
1439 |
|
|
(%set-datum-imm (e-phase) %phase-bind-args)
|
1440 |
|
|
(jump-imm :main-loop-end)
|
1441 |
|
|
|
1442 |
|
|
;; PHASE: APPLY-FUNCTION
|
1443 |
|
|
|
1444 |
|
|
:p-apply-function2
|
1445 |
|
|
;; (e-arg): function (address)
|
1446 |
|
|
;; (e-result): list of argument bindings (address)
|
1447 |
|
|
(%load-typed $apply-func (e-arg) 0 +type-function+ :err-not-a-function)
|
1448 |
|
|
(%cdr $cdr $apply-func :err-invalid-function) ; $cdr: (param-list expr env)
|
1449 |
|
|
(%cdr $cdr $cdr :err-invalid-function) ; $cdr: (expr env)
|
1450 |
|
|
(%car $tmp1 $cdr :err-invalid-function) ; $tmp1: expr
|
1451 |
|
|
(%cdr $cdr $cdr :err-invalid-function) ; $cdr: (env)
|
1452 |
|
|
(%car $tmp2 $cdr :err-invalid-function) ; $tmp2: env
|
1453 |
|
|
(%cons $tmp2 (e-result) $tmp2) ; $tmp2: new env
|
1454 |
|
|
(%set-datum $tmp3 (e-arg)) ; $tmp3: function (address)
|
1455 |
|
|
(call :push-or-reuse-fframe)
|
1456 |
|
|
(%set-datum $f-func $tmp3)
|
1457 |
|
|
(%set-datum $f-env $tmp2)
|
1458 |
|
|
(%set-datum (e-expr) $tmp1)
|
1459 |
|
|
(%set-datum-imm (e-phase) %phase-eval)
|
1460 |
|
|
(jump-imm :main-loop-end)
|
1461 |
|
|
|
1462 |
|
|
|
1463 |
|
|
;; PHASE: SET!
|
1464 |
|
|
|
1465 |
|
|
:p-set!
|
1466 |
|
|
;; (e-arg): new value
|
1467 |
|
|
;; (e-result): existing binding (or nil if variable is unbound)
|
1468 |
|
|
(%cmp-datum-imm (e-result) %nil)
|
1469 |
|
|
(branchimm :err-unbound-symbol)
|
1470 |
|
|
(%car $tmp1 (e-result) :err-invalid-state) ; check that (e-result) is a cons cell
|
1471 |
|
|
(%store-typed (e-arg) (e-result) 1 +type-snoc+) ; (set-cdr! (e-result) (e-arg))
|
1472 |
|
|
(%set-datum $tmp1 (e-arg))
|
1473 |
|
|
(pop-eframe)
|
1474 |
|
|
(%set-datum (e-result) $tmp1)
|
1475 |
|
|
(jump-imm :main-loop-end)
|
1476 |
|
|
|
1477 |
|
|
|
1478 |
|
|
;; PHASE: INITIAL
|
1479 |
|
|
|
1480 |
|
|
:p-initial
|
1481 |
|
|
(%when (%cmp-datum-imm $s-parent %nil)
|
1482 |
|
|
(message-str "HALT")
|
1483 |
|
|
(%halt))
|
1484 |
|
|
(call :interrupt)
|
1485 |
|
|
;; (jump-imm :main-loop-end) ; not necessary here
|
1486 |
|
|
|
1487 |
|
|
|
1488 |
|
|
;; All paths inside the main loop lead to here
|
1489 |
|
|
:main-loop-end
|
1490 |
|
|
(%cmp-datum $gc-firstfree $gc-mem-limit) ; lots of memory left?
|
1491 |
|
|
(%branch* $zero :main-loop-end-after-gc N) ; if so, skip GC
|
1492 |
|
|
;; Not enough memory, invoke GC. First store the evaluation state:
|
1493 |
|
|
(call :store-sframe)
|
1494 |
|
|
(%set-type-imm $tmp1 +type-cons+)
|
1495 |
|
|
(%set-datum $tmp1 $s-addr)
|
1496 |
|
|
(%store $tmp1 $zero %memory-root)
|
1497 |
|
|
;; Then call garbage collector:
|
1498 |
|
|
(call :gc-garbagecollect)
|
1499 |
|
|
(%cmp-datum $gc-firstfree $gc-mem-limit) ; lots of memory now?
|
1500 |
|
|
(%branch* $zero :out-of-memory (not N)) ; if not, give up completely
|
1501 |
|
|
(%load $s-addr $zero %memory-root)
|
1502 |
|
|
(call :load-sframe)
|
1503 |
|
|
:main-loop-end-after-gc
|
1504 |
|
|
(%cmp-datum-imm $s-iterations 0)
|
1505 |
|
|
(branchimm :main-loop)
|
1506 |
|
|
(%sub $s-iterations $one)
|
1507 |
|
|
(%cmp-datum-imm $s-iterations 0)
|
1508 |
|
|
(branchimm-false :main-loop)
|
1509 |
|
|
(%set-datum-imm $s-condition %timeout)
|
1510 |
|
|
(call :interrupt)
|
1511 |
|
|
(jump-imm :main-loop)
|
1512 |
|
|
|
1513 |
|
|
|
1514 |
|
|
:out-of-memory
|
1515 |
|
|
(message-str "ERROR: OUT OF MEMORY")
|
1516 |
|
|
(%halt)
|
1517 |
|
|
|
1518 |
|
|
|
1519 |
|
|
;; ERROR HANDLERS:
|
1520 |
|
|
|
1521 |
|
|
:err-not-a-list
|
1522 |
|
|
(%error-imm %err-not-a-list)
|
1523 |
|
|
|
1524 |
|
|
:err-not-a-pair
|
1525 |
|
|
(%error-imm %err-not-a-pair)
|
1526 |
|
|
|
1527 |
|
|
:err-not-a-function
|
1528 |
|
|
(%error-imm %err-not-a-function)
|
1529 |
|
|
|
1530 |
|
|
:err-malformed-form
|
1531 |
|
|
(%error-imm %err-malformed-form)
|
1532 |
|
|
|
1533 |
|
|
:err-invalid-function
|
1534 |
|
|
(%error-imm %err-invalid-function)
|
1535 |
|
|
|
1536 |
|
|
:err-invalid-builtin
|
1537 |
|
|
(%error-imm %err-invalid-builtin)
|
1538 |
|
|
|
1539 |
|
|
:err-invalid-env
|
1540 |
|
|
(%error-imm %err-invalid-env)
|
1541 |
|
|
|
1542 |
|
|
:err-unbound-symbol
|
1543 |
|
|
(%error-imm %err-unbound-symbol)
|
1544 |
|
|
|
1545 |
|
|
:err-invalid-param-list
|
1546 |
|
|
(%error-imm %err-invalid-param-list)
|
1547 |
|
|
:err-too-few-args
|
1548 |
|
|
(%error-imm %err-too-few-args)
|
1549 |
|
|
:err-too-many-args
|
1550 |
|
|
(%error-imm %err-too-many-args)
|
1551 |
|
|
|
1552 |
|
|
:err-invalid-array-index
|
1553 |
|
|
(%error-imm %err-invalid-array-index)
|
1554 |
|
|
|
1555 |
|
|
:err-invalid-phase
|
1556 |
|
|
(%error-imm %err-invalid-phase)
|
1557 |
|
|
|
1558 |
|
|
:err-invalid-state
|
1559 |
|
|
(%error-imm %err-invalid-state)
|
1560 |
|
|
|
1561 |
|
|
:err-io-error
|
1562 |
|
|
(%error-imm %err-io-error)
|
1563 |
|
|
|
1564 |
|
|
:err-overflow
|
1565 |
|
|
(%error-imm %err-overflow)
|
1566 |
|
|
|
1567 |
|
|
|
1568 |
|
|
;; SUBROUTINES:
|
1569 |
|
|
|
1570 |
|
|
:make-empty-environment
|
1571 |
|
|
(%set-datum-imm $env %nil)
|
1572 |
|
|
(%cons $env $env $env)
|
1573 |
|
|
(ret)
|
1574 |
|
|
|
1575 |
|
|
|
1576 |
|
|
;; Subroutine. Initializes a new evaluation level (that is, a new
|
1577 |
|
|
;; state). Puts an initial e-frame at the bottom of the e/f
|
1578 |
|
|
;; buffer, pushes an e-frame on top of it (it is the caller's
|
1579 |
|
|
;; responsibility to initialize expr and phase in this new frame).
|
1580 |
|
|
:init-evaluation-level
|
1581 |
|
|
(%set-datum-imm $s-condition %nil)
|
1582 |
|
|
(%set-datum-imm $s-iterations 0)
|
1583 |
|
|
|
1584 |
|
|
(%set-datum-imm $f-func %nil)
|
1585 |
|
|
(call :make-empty-environment)
|
1586 |
|
|
(%set-datum $f-env $env)
|
1587 |
|
|
(%set-datum-imm $f-addr %nil)
|
1588 |
|
|
|
1589 |
|
|
(%set-datum-imm $e-expr $e/f-min-expr)
|
1590 |
|
|
(%set-datum-imm $e-arg $e/f-min-arg)
|
1591 |
|
|
(%set-datum-imm $e-result $e/f-min-result)
|
1592 |
|
|
(%set-datum-imm $e-phase $e/f-min-phase)
|
1593 |
|
|
|
1594 |
|
|
(%set-type-imm (e-expr) +type-cons+)
|
1595 |
|
|
(%set-datum-imm (e-expr) %nil)
|
1596 |
|
|
(%set-datum-imm (e-arg) %nil)
|
1597 |
|
|
(%set-datum-imm (e-result) %nil)
|
1598 |
|
|
(%set-datum-imm (e-phase) %phase-initial)
|
1599 |
|
|
(%set-datum-imm $e-addr %nil)
|
1600 |
|
|
(push-eframe)
|
1601 |
|
|
(ret)
|
1602 |
|
|
|
1603 |
|
|
|
1604 |
|
|
;; Subroutine. End the current evaluation level. Stores the whole
|
1605 |
|
|
;; state to memory, returns it to the active e-frame in the
|
1606 |
|
|
;; previous level (or halt the machine if we were at the
|
1607 |
|
|
;; top-level).
|
1608 |
|
|
:interrupt
|
1609 |
|
|
(%cmp-datum-imm $s-parent %nil)
|
1610 |
|
|
(branchimm :interrupt-at-top-level)
|
1611 |
|
|
(call :store-sframe-without-parent)
|
1612 |
|
|
(%set-datum $interrupt-tmp $s-addr)
|
1613 |
|
|
(call :pop-s)
|
1614 |
|
|
(%set-datum (e-result) $interrupt-tmp)
|
1615 |
|
|
(ret)
|
1616 |
|
|
:interrupt-at-top-level
|
1617 |
|
|
(message-str "ERR:INTERRUPT")
|
1618 |
|
|
(%load $tmp1 $s-condition 1)
|
1619 |
|
|
(message-reg $tmp1)
|
1620 |
|
|
(message-reg $e-expr)
|
1621 |
|
|
(message-reg $e-arg)
|
1622 |
|
|
(message-reg $e-result)
|
1623 |
|
|
(message-reg $e-phase)
|
1624 |
|
|
(%halt)
|
1625 |
|
|
|
1626 |
|
|
|
1627 |
|
|
;; STACK SUBROUTINES
|
1628 |
|
|
|
1629 |
|
|
;; Subroutine to take care of the cases in pushing e-frames when the
|
1630 |
|
|
;; new place isn't immediately available. This might be either because
|
1631 |
|
|
;; it is above the top of the buffer (in which case we should wrap
|
1632 |
|
|
;; around) or because it is occupied (in which case we should store
|
1633 |
|
|
;; the frame which is there to main memory).
|
1634 |
|
|
:push-eframe-handle-overflow
|
1635 |
|
|
(%cmp-datum-imm $e-expr $e/f-above-marker)
|
1636 |
|
|
(branchimm-false :push-eframe-handle-overflow-store)
|
1637 |
|
|
(%set-datum-imm $e-expr $e/f-min-expr)
|
1638 |
|
|
(%set-datum-imm $e-arg $e/f-min-arg)
|
1639 |
|
|
(%set-datum-imm $e-result $e/f-min-result)
|
1640 |
|
|
(%set-datum-imm $e-phase $e/f-min-phase)
|
1641 |
|
|
(%cmp-type-imm (e-expr) +type-none+)
|
1642 |
|
|
(branchimm :push-eframe-handle-overflow-end)
|
1643 |
|
|
:push-eframe-handle-overflow-store
|
1644 |
|
|
;; buffer is full
|
1645 |
|
|
(%cmp-type-imm (e-expr) +type-function+)
|
1646 |
|
|
(branchimm-false :push-eframe-handle-overflow-store-e)
|
1647 |
|
|
(call :store-fframe) ; sets $f-addr
|
1648 |
|
|
(jump-imm :push-eframe-handle-overflow-end)
|
1649 |
|
|
:push-eframe-handle-overflow-store-e
|
1650 |
|
|
(call :store-eframe) ; sets $e-addr
|
1651 |
|
|
:push-eframe-handle-overflow-end
|
1652 |
|
|
(%set-datum-imm (e-expr) +type-cons+)
|
1653 |
|
|
(ret)
|
1654 |
|
|
|
1655 |
|
|
|
1656 |
|
|
:pop-eframe-handle-underflow
|
1657 |
|
|
(%cmp-datum-imm $e-expr $e/f-below-marker)
|
1658 |
|
|
(branchimm-false :pop-eframe-handle-underflow-load)
|
1659 |
|
|
(%set-datum-imm $e-expr $e/f-max-expr)
|
1660 |
|
|
(%set-datum-imm $e-arg $e/f-max-arg)
|
1661 |
|
|
(%set-datum-imm $e-result $e/f-max-result)
|
1662 |
|
|
(%set-datum-imm $e-phase $e/f-max-phase)
|
1663 |
|
|
(%cmp-type-imm (e-expr) +type-none+)
|
1664 |
|
|
(branchimm-false :pop-eframe-handle-underflow-end)
|
1665 |
|
|
:pop-eframe-handle-underflow-load
|
1666 |
|
|
;; buffer is empty
|
1667 |
|
|
(%cmp-datum-imm $e-addr %nil)
|
1668 |
|
|
(branchimm-false :pop-eframe-handle-underflow-load-e)
|
1669 |
|
|
(jump-imm :load-fframe) ; tail call
|
1670 |
|
|
;; (call :load-f-and-e-frame-to-empty-buffer) ; sets $e-addr, $f-addr
|
1671 |
|
|
;; (ret)
|
1672 |
|
|
:pop-eframe-handle-underflow-load-e
|
1673 |
|
|
(call :load-eframe)
|
1674 |
|
|
:pop-eframe-handle-underflow-end
|
1675 |
|
|
(ret)
|
1676 |
|
|
|
1677 |
|
|
|
1678 |
|
|
|
1679 |
|
|
|
1680 |
|
|
:store-eframe
|
1681 |
|
|
(%set-type-imm (indirect-register $e-expr) +type-cons+)
|
1682 |
|
|
(%set-type-imm (indirect-register $e-arg) +type-cons+)
|
1683 |
|
|
(%set-type-imm (indirect-register $e-result) +type-cons+)
|
1684 |
|
|
(%set-type-imm (indirect-register $e-phase) +type-cons+)
|
1685 |
|
|
(%set-type-imm $e-addr +type-cons+)
|
1686 |
|
|
(alloc-imm 10)
|
1687 |
|
|
(%set-type-imm $e-tmp1 +type-snoc+)
|
1688 |
|
|
(%set-datum $e-tmp1 $alloc-addr)
|
1689 |
|
|
(%set-type-imm $e-tmp2 +type-int+)
|
1690 |
|
|
(%set-datum-imm $e-tmp2 2)
|
1691 |
|
|
(%set-type-imm $e-tmp3 +type-int+)
|
1692 |
|
|
(%set-datum $e-tmp3 $e-tmp1)
|
1693 |
|
|
(%store $e-addr $e-tmp1 0)
|
1694 |
|
|
(%store $list-terminator $e-tmp1 1)
|
1695 |
|
|
(%store (indirect-register $e-phase) $e-tmp1 2)
|
1696 |
|
|
(%store $e-tmp1 $e-tmp1 3)
|
1697 |
|
|
(%add $e-tmp3 $e-tmp2)
|
1698 |
|
|
(%set-datum $e-tmp1 $e-tmp3)
|
1699 |
|
|
(%store (indirect-register $e-result) $e-tmp1 2)
|
1700 |
|
|
(%store $e-tmp1 $e-tmp1 3)
|
1701 |
|
|
(%add $e-tmp3 $e-tmp2)
|
1702 |
|
|
(%set-datum $e-tmp1 $e-tmp3)
|
1703 |
|
|
(%store (indirect-register $e-arg) $e-tmp1 2)
|
1704 |
|
|
(%store $e-tmp1 $e-tmp1 3)
|
1705 |
|
|
(%add $e-tmp3 $e-tmp2)
|
1706 |
|
|
(%set-datum $e-tmp1 $e-tmp3)
|
1707 |
|
|
(%store (indirect-register $e-expr) $e-tmp1 2)
|
1708 |
|
|
(%store $e-tmp1 $e-tmp1 3)
|
1709 |
|
|
(%add $e-tmp3 $e-tmp2)
|
1710 |
|
|
(%set-datum $e-addr $e-tmp3)
|
1711 |
|
|
(ret)
|
1712 |
|
|
|
1713 |
|
|
:load-eframe
|
1714 |
|
|
(%car (indirect-register $e-expr) $e-addr :load-eframe-error)
|
1715 |
|
|
(%cdr $e-tmp1 $e-addr :load-eframe-error)
|
1716 |
|
|
(%car (indirect-register $e-arg) $e-tmp1 :load-eframe-error)
|
1717 |
|
|
(%cdr $e-tmp1 $e-tmp1 :load-eframe-error)
|
1718 |
|
|
(%car (indirect-register $e-result) $e-tmp1 :load-eframe-error)
|
1719 |
|
|
(%cdr $e-tmp1 $e-tmp1 :load-eframe-error)
|
1720 |
|
|
(%car (indirect-register $e-phase) $e-tmp1 :load-eframe-error)
|
1721 |
|
|
(%cdr $e-tmp1 $e-tmp1 :load-eframe-error)
|
1722 |
|
|
(%car $e-addr $e-tmp1 :load-eframe-error)
|
1723 |
|
|
(ret)
|
1724 |
|
|
:load-eframe-error
|
1725 |
|
|
(message-str "ERR:L-E")
|
1726 |
|
|
(%halt)
|
1727 |
|
|
|
1728 |
|
|
|
1729 |
|
|
|
1730 |
|
|
;; Subroutine. Makes sure there is a function frame with a single
|
1731 |
|
|
;; evaluation frame at the top of the stack. These might be the
|
1732 |
|
|
;; frames currently at the top (if the current e-frame has no
|
1733 |
|
|
;; parent, in which case it is safe to tail-call optimize) or new
|
1734 |
|
|
;; frames. If a new f-frame is pushed, the current e-frame is
|
1735 |
|
|
;; popped first.
|
1736 |
|
|
:push-or-reuse-fframe
|
1737 |
|
|
(%sub* $f-tmp1 $e-expr $e/f-frame-size)
|
1738 |
|
|
(%when (%cmp-datum-imm $f-tmp1 $e/f-below-marker)
|
1739 |
|
|
(%set-datum-imm $f-tmp1 $e/f-max-expr))
|
1740 |
|
|
;; is frame below current a func frame?
|
1741 |
|
|
(%cmp-type-imm (indirect-register $f-tmp1) +type-function+)
|
1742 |
|
|
;; if it is, eframe has no parent, so we can reuse fframe:
|
1743 |
|
|
(branchimm :push-or-reuse-fframe-can-reuse)
|
1744 |
|
|
;; is frame below current empty?
|
1745 |
|
|
(%cmp-type-imm (indirect-register $f-tmp1) +type-none+)
|
1746 |
|
|
;; if not, eframe has parent in e/f buffer, so we cannot reuse fframe:
|
1747 |
|
|
(branchimm-false :push-or-reuse-fframe-cannot-reuse)
|
1748 |
|
|
;; if we got here, $e-addr is the address of this e-frame's
|
1749 |
|
|
;; parent. check if it is NIL:
|
1750 |
|
|
(%cmp-datum-imm $e-addr %nil)
|
1751 |
|
|
;; if not, eframe has parent in memory, so cannot reuse fframe:
|
1752 |
|
|
(branchimm-false :push-or-reuse-fframe-cannot-reuse)
|
1753 |
|
|
:push-or-reuse-fframe-can-reuse
|
1754 |
|
|
;; if we get to here, the eframe has no parent, so we can reuse fframe:
|
1755 |
|
|
(%set-datum-imm (indirect-register $e-arg) %nil)
|
1756 |
|
|
(%set-datum-imm (indirect-register $e-result) %nil) ; caller must set $e-expr, $e-phase
|
1757 |
|
|
(ret)
|
1758 |
|
|
:push-or-reuse-fframe-cannot-reuse
|
1759 |
|
|
(pop-eframe)
|
1760 |
|
|
(call :push-fframe)
|
1761 |
|
|
(push-eframe)
|
1762 |
|
|
(ret)
|
1763 |
|
|
|
1764 |
|
|
|
1765 |
|
|
;; Subroutine. Pushes the current f-frame onto the e/f buffer.
|
1766 |
|
|
:push-fframe
|
1767 |
|
|
;; get a nice empty place in the e/f buffer:
|
1768 |
|
|
(push-eframe)
|
1769 |
|
|
;; put our current fframe there:
|
1770 |
|
|
(%set-datum (indirect-register $e-expr) $f-func)
|
1771 |
|
|
(%set-datum (indirect-register $e-arg) $f-env)
|
1772 |
|
|
;; mark this as being an fframe by setting the type of the first
|
1773 |
|
|
;; register:
|
1774 |
|
|
(%set-type-imm (indirect-register $e-expr) +type-function+)
|
1775 |
|
|
(ret)
|
1776 |
|
|
|
1777 |
|
|
|
1778 |
|
|
|
1779 |
|
|
;; Subroutine. Stores the current frame in e/f buffer as an
|
1780 |
|
|
;; f-frame. Sets $f-addr to the address it was stored to, $e-addr to
|
1781 |
|
|
;; %nil (to indicate that the e-frame directly above this in the
|
1782 |
|
|
;; buffer has no parent).
|
1783 |
|
|
:store-fframe
|
1784 |
|
|
(%set-type-imm (indirect-register $e-expr) +type-cons+)
|
1785 |
|
|
(%set-type-imm (indirect-register $e-arg) +type-cons+)
|
1786 |
|
|
(%set-type-imm $f-addr +type-cons+)
|
1787 |
|
|
(alloc-imm 8)
|
1788 |
|
|
(%set-type-imm $f-tmp1 +type-snoc+)
|
1789 |
|
|
(%set-datum $f-tmp1 $alloc-addr)
|
1790 |
|
|
(%set-type-imm $f-tmp2 +type-int+)
|
1791 |
|
|
(%set-datum-imm $f-tmp2 2)
|
1792 |
|
|
(%set-type-imm $f-tmp3 +type-int+)
|
1793 |
|
|
(%set-datum $f-tmp3 $f-tmp1)
|
1794 |
|
|
(%store $f-addr $f-tmp1 0)
|
1795 |
|
|
(%store $list-terminator $f-tmp1 1)
|
1796 |
|
|
(%store $e-addr $f-tmp1 2)
|
1797 |
|
|
(%store $f-tmp1 $f-tmp1 3)
|
1798 |
|
|
(%add $f-tmp3 $f-tmp2)
|
1799 |
|
|
(%set-datum $f-tmp1 $f-tmp3)
|
1800 |
|
|
(%store (indirect-register $e-arg) $f-tmp1 2)
|
1801 |
|
|
(%store $f-tmp1 $f-tmp1 3)
|
1802 |
|
|
(%add $f-tmp3 $f-tmp2)
|
1803 |
|
|
(%set-datum $f-tmp1 $f-tmp3)
|
1804 |
|
|
(%store (indirect-register $e-expr) $f-tmp1 2)
|
1805 |
|
|
(%store $f-tmp1 $f-tmp1 3)
|
1806 |
|
|
(%add $f-tmp3 $f-tmp2)
|
1807 |
|
|
(%set-datum $f-addr $f-tmp3)
|
1808 |
|
|
(%set-datum-imm $e-addr %nil)
|
1809 |
|
|
(ret)
|
1810 |
|
|
|
1811 |
|
|
;; Subroutine. Loads an f-frame into the e/f buffer. The f-frame is
|
1812 |
|
|
;; found at the memory address in $f-addr; this register is changed to
|
1813 |
|
|
;; be the address of this frame's parent. Sets $e-addr to the address
|
1814 |
|
|
;; of the top e-frame in this f-frame.
|
1815 |
|
|
:load-fframe
|
1816 |
|
|
(%car $f-tmp1 $f-addr :load-fframe-error)
|
1817 |
|
|
(%set-datum (e-expr) $f-tmp1)
|
1818 |
|
|
(%set-type-imm (e-expr) +type-function+)
|
1819 |
|
|
(%cdr $f-tmp1 $f-addr :load-fframe-error)
|
1820 |
|
|
(%car (e-arg) $f-tmp1 :load-fframe-error)
|
1821 |
|
|
(%cdr $f-tmp1 $f-tmp1 :load-fframe-error)
|
1822 |
|
|
(%car $e-addr $f-tmp1 :load-fframe-error)
|
1823 |
|
|
(%cdr $f-tmp1 $f-tmp1 :load-fframe-error)
|
1824 |
|
|
(%car $f-addr $f-tmp1 :load-fframe-error)
|
1825 |
|
|
(ret)
|
1826 |
|
|
;;(jump-imm :load-eframe) ; tail call
|
1827 |
|
|
:load-fframe-error
|
1828 |
|
|
(message-str "ERR:L-F")
|
1829 |
|
|
(%halt)
|
1830 |
|
|
|
1831 |
|
|
|
1832 |
|
|
:load-f-and-e-frame-to-empty-buffer
|
1833 |
|
|
(call :load-fframe)
|
1834 |
|
|
(%set-datum $f-func (e-expr))
|
1835 |
|
|
(%set-datum $f-env (e-arg))
|
1836 |
|
|
(%set-type-imm (e-expr) +type-none+)
|
1837 |
|
|
(jump-imm :load-eframe) ; tail call
|
1838 |
|
|
|
1839 |
|
|
|
1840 |
|
|
|
1841 |
|
|
:store-e/f-stack
|
1842 |
|
|
(call :push-fframe) ; put current fframe into e/f buffer
|
1843 |
|
|
(%set-datum $e/f-top $e-expr) ; remember current position
|
1844 |
|
|
;; Traverse the whole buffer, pushing dummy frames. This has the
|
1845 |
|
|
;; effect that all frames in the buffer will be stored to main memory.
|
1846 |
|
|
:store-e/f-stack-loop
|
1847 |
|
|
(push-eframe)
|
1848 |
|
|
(%set-type-imm (indirect-register $e-expr) +type-none+)
|
1849 |
|
|
(%cmp-datum $e-expr $e/f-top)
|
1850 |
|
|
(branchimm-false :store-e/f-stack-loop)
|
1851 |
|
|
(ret)
|
1852 |
|
|
|
1853 |
|
|
|
1854 |
|
|
:push-s
|
1855 |
|
|
(call :store-sframe)
|
1856 |
|
|
(%set-datum $s-parent $s-addr)
|
1857 |
|
|
(ret)
|
1858 |
|
|
|
1859 |
|
|
|
1860 |
|
|
:store-sframe
|
1861 |
|
|
(%cons $s-tmp $s-parent $list-terminator)
|
1862 |
|
|
:store-sframe-without-parent-1
|
1863 |
|
|
(%make-obj $s-iterations $s-iterations +type-int+)
|
1864 |
|
|
(%cons $s-tmp $s-iterations $s-tmp)
|
1865 |
|
|
(%cons $s-tmp $s-condition $s-tmp)
|
1866 |
|
|
(call :store-e/f-stack) ; stores the whole e/f buffer, we get address
|
1867 |
|
|
; of top f-frame in $f-addr
|
1868 |
|
|
(%cons $s-tmp $f-addr $s-tmp)
|
1869 |
|
|
(%set-datum $s-addr $s-tmp)
|
1870 |
|
|
(ret)
|
1871 |
|
|
:store-sframe-without-parent
|
1872 |
|
|
(%set-datum-imm $s-tmp %nil)
|
1873 |
|
|
(jump-imm :store-sframe-without-parent-1)
|
1874 |
|
|
|
1875 |
|
|
|
1876 |
|
|
|
1877 |
|
|
:pop-s
|
1878 |
|
|
(%set-datum $s-addr $s-parent)
|
1879 |
|
|
:load-sframe
|
1880 |
|
|
(call :load-sframe-common)
|
1881 |
|
|
(%cdr $s-tmp $s-tmp :load-sframe-error)
|
1882 |
|
|
(%car $s-parent $s-tmp :load-sframe-error)
|
1883 |
|
|
(jump-imm :load-f-and-e-frame-to-empty-buffer) ; tail call
|
1884 |
|
|
:load-sframe-error
|
1885 |
|
|
;;(%error %err-invalid-state)
|
1886 |
|
|
(message-str "ERR:L-S")
|
1887 |
|
|
(%halt)
|
1888 |
|
|
|
1889 |
|
|
|
1890 |
|
|
|
1891 |
|
|
:load-sframe-without-parent
|
1892 |
|
|
(call :load-sframe-common)
|
1893 |
|
|
(jump-imm :load-f-and-e-frame-to-empty-buffer) ; tail call
|
1894 |
|
|
:load-sframe-without-parent-error
|
1895 |
|
|
(%halt)
|
1896 |
|
|
|
1897 |
|
|
:load-sframe-common
|
1898 |
|
|
(%car $f-addr $s-addr :load-sframe-error)
|
1899 |
|
|
(%cdr $s-tmp $s-addr :load-sframe-error)
|
1900 |
|
|
(%car $s-condition $s-tmp :load-sframe-error)
|
1901 |
|
|
(%cdr $s-tmp $s-tmp :load-sframe-error)
|
1902 |
|
|
(%car $s-iterations $s-tmp :load-sframe-error)
|
1903 |
|
|
(%load $s-iterations $s-iterations 0)
|
1904 |
|
|
(ret)
|
1905 |
|
|
|
1906 |
|
|
|
1907 |
|
|
|
1908 |
|
|
;; OUTPUT
|
1909 |
|
|
|
1910 |
|
|
;; Subroutine, print int from $message
|
1911 |
|
|
:message-reg
|
1912 |
|
|
(select-device-imm +dev-serial+)
|
1913 |
|
|
(%set-datum-imm $message-shift 24)
|
1914 |
|
|
(%set-datum-imm $message-mask #xF)
|
1915 |
|
|
:message-reg-loop
|
1916 |
|
|
(%set-datum $message-tmp1 $message)
|
1917 |
|
|
(%shift-r $message-tmp1 $message-shift)
|
1918 |
|
|
(%and $message-tmp1 $message-mask)
|
1919 |
|
|
(%set-datum-imm $message-tmp2 (char-int #\0))
|
1920 |
|
|
(%cmp-datum-imm $message-tmp1 #xA)
|
1921 |
|
|
(%branch* $zero :message-reg-below-a N)
|
1922 |
|
|
(%set-datum-imm $message-tmp2 (- (char-int #\A) #xA))
|
1923 |
|
|
:message-reg-below-a
|
1924 |
|
|
(%add $message-tmp1 $message-tmp2)
|
1925 |
|
|
(%store $message-tmp1 $io-mem-addr %io-object)
|
1926 |
|
|
(%cmp-datum-imm $message-shift 0)
|
1927 |
|
|
(branchimm :message-reg-loop-end)
|
1928 |
|
|
(%set-datum-imm $message-tmp1 4)
|
1929 |
|
|
(%sub $message-shift $message-tmp1)
|
1930 |
|
|
(jump-imm :message-reg-loop)
|
1931 |
|
|
:message-reg-loop-end
|
1932 |
|
|
(ret)
|
1933 |
|
|
|
1934 |
|
|
|
1935 |
|
|
|
1936 |
|
|
|
1937 |
|
|
;; GARBAGE COLLECTOR
|
1938 |
|
|
|
1939 |
|
|
|
1940 |
|
|
;; Garbage collection subroutine
|
1941 |
|
|
:gc-garbagecollect
|
1942 |
|
|
(message-str-no-nl ":")
|
1943 |
|
|
|
1944 |
|
|
;; mark everything as free
|
1945 |
|
|
(%cpy $gc-vi $gc-startofmem)
|
1946 |
|
|
|
1947 |
|
|
:gc-loop1
|
1948 |
|
|
;; load the contents of memory address (contained in gc-vi)
|
1949 |
|
|
;; into register gc-1)
|
1950 |
|
|
;; loop tested in emu: OK
|
1951 |
|
|
(%load $gc-1 $gc-vi 0)
|
1952 |
|
|
;; if gc-flag already free, stop
|
1953 |
|
|
(%cmp-gc-imm $gc-1 +gc-free+)
|
1954 |
|
|
(branchimm :gc-nodeletegc)
|
1955 |
|
|
(%set-gc-imm $gc-1 +gc-free+)
|
1956 |
|
|
(%store $gc-1 $gc-vi 0)
|
1957 |
|
|
:gc-nodeletegc
|
1958 |
|
|
(%add $gc-vi $one)
|
1959 |
|
|
(%cmp-datum $gc-vi $gc-gcspace)
|
1960 |
|
|
(branchimm-false :gc-loop1)
|
1961 |
|
|
;; pointer reversal! skrekk og gru
|
1962 |
|
|
;; algorithm based on tiger book
|
1963 |
|
|
|
1964 |
|
|
;; start of pointer reversal
|
1965 |
|
|
;; the algorithm is able to "slide" sideways without reversing
|
1966 |
|
|
;; underlying pointers within the following structures
|
1967 |
|
|
;; CONS - SNOC
|
1968 |
|
|
;; ARRAY - PTR - ... - PTR - SNOC
|
1969 |
|
|
|
1970 |
|
|
;; CONS/ARRAY are identified as start of structure
|
1971 |
|
|
;; SNOC is identified as end of structure
|
1972 |
|
|
|
1973 |
|
|
(%set-type-imm $gc-t +type-int+)
|
1974 |
|
|
(%set-datum-imm $gc-t 0)
|
1975 |
|
|
(%cpy $gc-x $gc-rootptr)
|
1976 |
|
|
|
1977 |
|
|
|
1978 |
|
|
:gc-mainreverseloop
|
1979 |
|
|
|
1980 |
|
|
;; visit current block
|
1981 |
|
|
;; gc-x holds current memory address
|
1982 |
|
|
;; gc-y will hold the contents of the address
|
1983 |
|
|
(%load $gc-y $gc-x 0)
|
1984 |
|
|
(%set-gc-imm $gc-y +gc-used+)
|
1985 |
|
|
(%store $gc-y $gc-x 0)
|
1986 |
|
|
|
1987 |
|
|
(%cpy $gc-followp $zero)
|
1988 |
|
|
(%cpy $gc-cannext $zero)
|
1989 |
|
|
(%cpy $gc-canprev $zero)
|
1990 |
|
|
|
1991 |
|
|
;; if memory address x contains a pointer, and it points to
|
1992 |
|
|
;; a memory address marked as gc-free (ie. unvisited so far)
|
1993 |
|
|
;; set followp to true (1)
|
1994 |
|
|
;; the following types have pointers: CONS PTR SNOC
|
1995 |
|
|
;; tested OK for case: cell is pointer, cell pointed to is unvisited
|
1996 |
|
|
(%cmp-type-imm $gc-y +type-cons+)
|
1997 |
|
|
(branchimm :gc-setfollowp)
|
1998 |
|
|
(%cmp-type-imm $gc-y +type-snoc+)
|
1999 |
|
|
(branchimm :gc-setfollowp)
|
2000 |
|
|
(%cmp-type-imm $gc-y +type-ptr+)
|
2001 |
|
|
(branchimm :gc-setfollowp)
|
2002 |
|
|
(%cmp-type-imm $gc-y +type-function+)
|
2003 |
|
|
(branchimm :gc-setfollowp)
|
2004 |
|
|
(%cmp-type-imm $gc-y +type-symbol+)
|
2005 |
|
|
(branchimm :gc-setfollowp)
|
2006 |
|
|
(%cmp-type-imm $gc-y +type-builtin+)
|
2007 |
|
|
(branchimm :gc-setfollowp)
|
2008 |
|
|
;; if any other types contain pointers, add them here!
|
2009 |
|
|
(jump-imm :gc-afterfollowp)
|
2010 |
|
|
|
2011 |
|
|
:gc-setfollowp
|
2012 |
|
|
|
2013 |
|
|
;; don't follow pointer if it's a low address
|
2014 |
|
|
; (%cmp-datum $gc-y $gc-startofmem)
|
2015 |
|
|
; (%branch* $zero :gc-afterfollowp (not N))
|
2016 |
|
|
|
2017 |
|
|
; copy from memory location $gc-y, into $gc-v
|
2018 |
|
|
(%load $gc-v $gc-y 0)
|
2019 |
|
|
(%cmp-gc-imm $gc-v +gc-used+)
|
2020 |
|
|
(branchimm :gc-afterfollowp)
|
2021 |
|
|
(%cpy $gc-followp $one)
|
2022 |
|
|
|
2023 |
|
|
:gc-afterfollowp
|
2024 |
|
|
|
2025 |
|
|
;; if we aren't at the last position of a memory structure spanning
|
2026 |
|
|
;; several addresses and the next adress is free, set cannext=1
|
2027 |
|
|
;; currently, these types can occur at the non-end: CONS, ARRAY, PTR
|
2028 |
|
|
;; tested OK for case: cell is not end of structure, next cell is unvisited
|
2029 |
|
|
(%cmp-type-imm $gc-y +type-cons+)
|
2030 |
|
|
(branchimm :gc-setcannext)
|
2031 |
|
|
(%cmp-type-imm $gc-y +type-array+)
|
2032 |
|
|
(branchimm :gc-setcannext)
|
2033 |
|
|
(%cmp-type-imm $gc-y +type-ptr+)
|
2034 |
|
|
(branchimm :gc-setcannext)
|
2035 |
|
|
(jump-imm :gc-aftercannext)
|
2036 |
|
|
:gc-setcannext
|
2037 |
|
|
(%cpy $gc-1 $gc-x) ;; check is address x+1 is unvisited
|
2038 |
|
|
(%add $gc-1 $one)
|
2039 |
|
|
(%load $gc-1 $gc-1 0) ;; lykkebo says this is safe
|
2040 |
|
|
(%cmp-gc-imm $gc-1 +gc-used+)
|
2041 |
|
|
(branchimm :gc-aftercannext)
|
2042 |
|
|
(%cpy $gc-cannext $one)
|
2043 |
|
|
|
2044 |
|
|
:gc-aftercannext
|
2045 |
|
|
|
2046 |
|
|
;; if we aren't at the first position of a memory structure spanning
|
2047 |
|
|
;; several addresses, set canprev=1
|
2048 |
|
|
;; the following types can occur at the non-start: SNOC PTR
|
2049 |
|
|
;; tested OK for case: cell is not end of structure
|
2050 |
|
|
(%cmp-type-imm $gc-y +type-snoc+)
|
2051 |
|
|
(branchimm :gc-setcanprev)
|
2052 |
|
|
(%cmp-type-imm $gc-y +type-ptr+)
|
2053 |
|
|
(branchimm :gc-setcanprev)
|
2054 |
|
|
(jump-imm :gc-aftercanprev)
|
2055 |
|
|
:gc-setcanprev
|
2056 |
|
|
(%cpy $gc-canprev $one)
|
2057 |
|
|
|
2058 |
|
|
:gc-aftercanprev
|
2059 |
|
|
|
2060 |
|
|
;; do stuff based on followp, cannext, canprev
|
2061 |
|
|
;; follow the pointer we're at, and reverse the pointer
|
2062 |
|
|
(%cmp-datum $gc-followp $one)
|
2063 |
|
|
(branchimm-false :gc-afterfollowedp)
|
2064 |
|
|
(%cpy $gc-temp $gc-x)
|
2065 |
|
|
(%load $gc-mem $gc-temp 0)
|
2066 |
|
|
(%set-datum $gc-mem $gc-t)
|
2067 |
|
|
(%store $gc-mem $gc-temp 0)
|
2068 |
|
|
(%cpy $gc-t $gc-temp)
|
2069 |
|
|
(%set-datum $gc-x $gc-y)
|
2070 |
|
|
(jump-imm :gc-mainreverseloop)
|
2071 |
|
|
|
2072 |
|
|
:gc-afterfollowedp
|
2073 |
|
|
|
2074 |
|
|
;; move to next memory location
|
2075 |
|
|
(%cmp-datum $gc-cannext $one)
|
2076 |
|
|
(branchimm-false :gc-aftercouldnext)
|
2077 |
|
|
(%add $gc-x $one)
|
2078 |
|
|
(jump-imm :gc-mainreverseloop)
|
2079 |
|
|
|
2080 |
|
|
:gc-aftercouldnext
|
2081 |
|
|
|
2082 |
|
|
;; move to previous memory location
|
2083 |
|
|
(%cmp-datum $gc-canprev $one)
|
2084 |
|
|
(branchimm-false :gc-aftercouldprev)
|
2085 |
|
|
;; address 0x48
|
2086 |
|
|
(%sub $gc-x $one)
|
2087 |
|
|
(jump-imm :gc-mainreverseloop)
|
2088 |
|
|
|
2089 |
|
|
:gc-aftercouldprev
|
2090 |
|
|
|
2091 |
|
|
;; all cases exhausted: follow pointer back and reverse the reversal
|
2092 |
|
|
(%cmp-datum $gc-t $zero)
|
2093 |
|
|
(branchimm :gc-donepointerreversal)
|
2094 |
|
|
(%load $gc-temp $gc-t 0) ;; read from address gc-t, into gc-temp
|
2095 |
|
|
(%cpy $gc-mem $gc-temp)
|
2096 |
|
|
(%set-datum $gc-mem $gc-x)
|
2097 |
|
|
(%store $gc-mem $gc-t 0) ;; restore the correct pointer in gc-t
|
2098 |
|
|
(%cpy $gc-x $gc-t)
|
2099 |
|
|
(%cpy $gc-t $gc-temp)
|
2100 |
|
|
(jump-imm :gc-mainreverseloop)
|
2101 |
|
|
|
2102 |
|
|
:gc-donepointerreversal
|
2103 |
|
|
|
2104 |
|
|
|
2105 |
|
|
(message-str-no-nl ",")
|
2106 |
|
|
|
2107 |
|
|
;; end of pointer reversal routine, from this point on,
|
2108 |
|
|
;; all variables marked with "ptr-rev" are free for other use
|
2109 |
|
|
|
2110 |
|
|
;; pre-fill low memory values into translation area
|
2111 |
|
|
(%cpy $gc-from $zero)
|
2112 |
|
|
(%cpy $gc-to $gc-gcspace)
|
2113 |
|
|
:gc-prefill
|
2114 |
|
|
(%store $gc-from $gc-to 0)
|
2115 |
|
|
(%add $gc-from $one)
|
2116 |
|
|
(%add $gc-to $one)
|
2117 |
|
|
(%cmp-datum $gc-from $gc-startofmem)
|
2118 |
|
|
(branchimm-false :gc-prefill)
|
2119 |
|
|
|
2120 |
|
|
;; copy the stuff
|
2121 |
|
|
|
2122 |
|
|
(%cpy $gc-to $gc-from)
|
2123 |
|
|
(%cpy $gc-baseaddr $zero)
|
2124 |
|
|
:gc-copyloop
|
2125 |
|
|
|
2126 |
|
|
(%load $gc-mem $gc-from 0) ;; read from gc-from into gc-mem
|
2127 |
|
|
(%cmp-gc-imm $gc-mem +gc-used+)
|
2128 |
|
|
(branchimm-false :gc-notrans)
|
2129 |
|
|
;; put address in translation table
|
2130 |
|
|
(%cpy $gc-temp $gc-from)
|
2131 |
|
|
(%sub $gc-temp $gc-baseaddr)
|
2132 |
|
|
; (%div* $gc-mem $gc-from $gc-spacesize)
|
2133 |
|
|
; (%mul $gc-mem $gc-spacesize)
|
2134 |
|
|
; (%cpy $gc-temp2 $gc-from)
|
2135 |
|
|
; (%sub $gc-temp2 $gc-mem)
|
2136 |
|
|
(%add $gc-temp $gc-gcspace)
|
2137 |
|
|
(%store $gc-to $gc-temp 0) ;; write to-address to gc-temp
|
2138 |
|
|
;; copy
|
2139 |
|
|
;; (%load $gc-mem $gc-from 0)
|
2140 |
|
|
(%store $gc-mem $gc-to 0)
|
2141 |
|
|
(%add $gc-to $one)
|
2142 |
|
|
:gc-notrans
|
2143 |
|
|
(%add $gc-from $one)
|
2144 |
|
|
|
2145 |
|
|
(%cpy $gc-temp $gc-baseaddr)
|
2146 |
|
|
(%add $gc-temp $gc-spacesize)
|
2147 |
|
|
|
2148 |
|
|
|
2149 |
|
|
; (%div* $gc-temp $gc-from $gc-spacesize)
|
2150 |
|
|
; (%mul $gc-temp $gc-spacesize)
|
2151 |
|
|
; (%sub* $gc-temp2 $gc-from $gc-temp)
|
2152 |
|
|
(%cmp-datum $gc-from $gc-temp)
|
2153 |
|
|
(branchimm-false :gc-noconvert)
|
2154 |
|
|
|
2155 |
|
|
;; translate pointers
|
2156 |
|
|
:gc-transloop
|
2157 |
|
|
(%cpy $gc-vi $gc-startofmem)
|
2158 |
|
|
|
2159 |
|
|
(message-str-no-nl ".")
|
2160 |
|
|
|
2161 |
|
|
:gc-transloop2
|
2162 |
|
|
(%load $gc-mem $gc-vi 0) ;; read from address gc-i and put into gc-mem
|
2163 |
|
|
(%cmp-gc-imm $gc-mem +gc-used+)
|
2164 |
|
|
(branchimm-false :gc-nexttrans)
|
2165 |
|
|
(%cmp-type-imm $gc-mem +type-ptr+)
|
2166 |
|
|
(branchimm :gc-isptr)
|
2167 |
|
|
(%cmp-type-imm $gc-mem +type-cons+)
|
2168 |
|
|
(branchimm :gc-isptr)
|
2169 |
|
|
(%cmp-type-imm $gc-mem +type-snoc+)
|
2170 |
|
|
(branchimm :gc-isptr)
|
2171 |
|
|
(%cmp-type-imm $gc-mem +type-symbol+)
|
2172 |
|
|
(branchimm :gc-isptr)
|
2173 |
|
|
(%cmp-type-imm $gc-mem +type-function+)
|
2174 |
|
|
(branchimm :gc-isptr)
|
2175 |
|
|
(%cmp-type-imm $gc-mem +type-builtin+)
|
2176 |
|
|
(branchimm :gc-isptr)
|
2177 |
|
|
(jump-imm :gc-nexttrans)
|
2178 |
|
|
|
2179 |
|
|
:gc-isptr
|
2180 |
|
|
;; check that these branches work
|
2181 |
|
|
;; OK for mem>=from-spacesize og mem
|
2182 |
|
|
(%sub* $gc-temp $gc-from $gc-spacesize)
|
2183 |
|
|
(%cmp-datum $gc-mem $gc-temp)
|
2184 |
|
|
(%branch* $zero :gc-nexttrans N)
|
2185 |
|
|
(%cmp-datum $gc-mem $gc-from)
|
2186 |
|
|
(%branch* $zero :gc-nexttrans (not N))
|
2187 |
|
|
|
2188 |
|
|
;; calculate gcspace+val%spacesize, put in val
|
2189 |
|
|
(%cpy $gc-val $gc-mem)
|
2190 |
|
|
(%sub $gc-val $gc-baseaddr)
|
2191 |
|
|
(%add $gc-val $gc-gcspace)
|
2192 |
|
|
|
2193 |
|
|
; (%div* $gc-temp $gc-val $gc-spacesize)
|
2194 |
|
|
; (%mul $gc-temp $gc-spacesize)
|
2195 |
|
|
; (%sub* $gc-temp2 $gc-val $gc-temp)
|
2196 |
|
|
; (%add* $gc-val $gc-temp2 $gc-gcspace)
|
2197 |
|
|
(%load $gc-temp2 $gc-val 0)
|
2198 |
|
|
(%set-datum $gc-mem $gc-temp2)
|
2199 |
|
|
(%store $gc-mem $gc-vi 0)
|
2200 |
|
|
|
2201 |
|
|
:gc-nexttrans
|
2202 |
|
|
(%add $gc-vi $one)
|
2203 |
|
|
(%cmp-datum $gc-vi $gc-to)
|
2204 |
|
|
(branchimm-false :gc-noto)
|
2205 |
|
|
(%cpy $gc-vi $gc-from)
|
2206 |
|
|
:gc-noto
|
2207 |
|
|
(%cmp-datum $gc-vi $gc-gcspace)
|
2208 |
|
|
(branchimm-false :gc-transloop2)
|
2209 |
|
|
|
2210 |
|
|
;; done with one block, increase base address
|
2211 |
|
|
(%add $gc-baseaddr $gc-spacesize)
|
2212 |
|
|
|
2213 |
|
|
:gc-noconvert
|
2214 |
|
|
|
2215 |
|
|
(%cmp-datum $gc-from $gc-gcspace)
|
2216 |
|
|
(branchimm-false :gc-copyloop)
|
2217 |
|
|
|
2218 |
|
|
;; whee, gc is finished and we have a new address where
|
2219 |
|
|
;; free space starts
|
2220 |
|
|
(%cpy $gc-firstfree $gc-to)
|
2221 |
|
|
(message-str-no-nl ":")
|
2222 |
|
|
(ret)
|
2223 |
|
|
;; End of garbage collection subroutine
|
2224 |
|
|
|
2225 |
|
|
|
2226 |
|
|
:call-error
|
2227 |
|
|
(message-str "ERR:CALL")
|
2228 |
|
|
(%halt)
|
2229 |
|
|
:ret-error
|
2230 |
|
|
(message-str "ERR:RET")
|
2231 |
|
|
(%halt)
|
2232 |
|
|
))
|
2233 |
|
|
|
2234 |
|
|
|
2235 |
|
|
(defun write-register-file ()
|
2236 |
|
|
(with-open-file (s
|
2237 |
|
|
"/tmp/regfile"
|
2238 |
|
|
:element-type 'character
|
2239 |
|
|
:direction :output
|
2240 |
|
|
:if-does-not-exist :create
|
2241 |
|
|
:if-exists :supersede)
|
2242 |
|
|
(let ((symbols-start #x100))
|
2243 |
|
|
(format s "size ~X~%" +n-regs+)
|
2244 |
|
|
;; initialize some general registers:
|
2245 |
|
|
(format s "addr 0~%")
|
2246 |
|
|
(format s "int 0~%") ; $zero
|
2247 |
|
|
(format s "int 1~%") ; $one
|
2248 |
|
|
(format s "int 2~%") ; $two
|
2249 |
|
|
(format s "addr ~X~%" $list-terminator)
|
2250 |
|
|
(format s "snoc ~X~%" %nil)
|
2251 |
|
|
(format s "addr ~X~%" $mc-stack-top)
|
2252 |
|
|
(format s "int ~X~%" $mc-stack-min)
|
2253 |
|
|
(format s "addr ~X~%" $io-mem-addr)
|
2254 |
|
|
(format s "int 3FFFF00~%")
|
2255 |
|
|
(format s "addr ~X~%" $gc-maxblocks)
|
2256 |
|
|
(format s "int ~X~%" +memory-size+)
|
2257 |
|
|
(format s "addr ~X~%" $gc-spacesize)
|
2258 |
|
|
(format s "int ~X~%" (floor (/ +memory-size+ +gc-spaces+)))
|
2259 |
|
|
;; write symbol strings in compressed form (three characters per
|
2260 |
|
|
;; register):
|
2261 |
|
|
(format s "addr ~X~%" symbols-start)
|
2262 |
|
|
(loop for v in (compress-symbols (make-symbols))
|
2263 |
|
|
do (format s "int ~X~%" v))
|
2264 |
|
|
;; initialize registers used by initialization:
|
2265 |
|
|
(format s "addr ~X~%" $init1)
|
2266 |
|
|
(format s "nil~%") ; init1
|
2267 |
|
|
(format s "t~%") ; init2
|
2268 |
|
|
(format s "none~%") ; init3
|
2269 |
|
|
(format s "int ~X~%" symbols-start) ; init-counter
|
2270 |
|
|
(format s "int 0~%") ; init-counter2
|
2271 |
|
|
(format s "int 10~%") ; init-shift1
|
2272 |
|
|
(format s "int 8~%") ; init-shift2
|
2273 |
|
|
(format s "int FF~%") ; init-char-mask
|
2274 |
|
|
(format s "int ~X~%" %area-chars) ; init-chars-start
|
2275 |
|
|
(format s "int 2~%") ; init-symbol-addr
|
2276 |
|
|
(format s "int ~X~%" %area-strings) ; init-symbol-str-addr
|
2277 |
|
|
(format s "int ~X~%" %area-strings) ; init-symbol-char-addr
|
2278 |
|
|
(format s "array 0~%") ; init-symbol-array
|
2279 |
|
|
)))
|
2280 |
|
|
|
2281 |
|
|
(defun make-symbols ()
|
2282 |
|
|
(let ((symbols "%IF
|
2283 |
|
|
%QUOTE
|
2284 |
|
|
%LAMBDA
|
2285 |
|
|
%PROGN
|
2286 |
|
|
%CONS
|
2287 |
|
|
%CAR
|
2288 |
|
|
%CDR
|
2289 |
|
|
%EVAL
|
2290 |
|
|
%APPLY
|
2291 |
|
|
%TYPE
|
2292 |
|
|
%MAKE-ARRAY
|
2293 |
|
|
%ARRAY-SIZE
|
2294 |
|
|
%ARRAY-GET
|
2295 |
|
|
%ARRAY-SET
|
2296 |
|
|
%MAKE-SYMBOL
|
2297 |
|
|
%SYMBOL-TO-STRING
|
2298 |
|
|
%CHAR-TO-INT
|
2299 |
|
|
%INT-TO-CHAR
|
2300 |
|
|
%GET-CHAR
|
2301 |
|
|
%PUT-CHAR
|
2302 |
|
|
%NUM-DEVICES
|
2303 |
|
|
%DEVICE-TYPE
|
2304 |
|
|
%SET-ADDRESS
|
2305 |
|
|
%GET-ADDRESS
|
2306 |
|
|
%ERROR
|
2307 |
|
|
%ADD
|
2308 |
|
|
%SUB
|
2309 |
|
|
%MUL
|
2310 |
|
|
%DIV
|
2311 |
|
|
%BITWISE-AND
|
2312 |
|
|
%BITWISE-OR
|
2313 |
|
|
%BITWISE-NOT
|
2314 |
|
|
%BITWISE-SHIFT
|
2315 |
|
|
%CURRENT-ENVIRONMENT
|
2316 |
|
|
%MAKE-EVAL-STATE
|
2317 |
|
|
%EVAL-PARTIAL
|
2318 |
|
|
%DEFINE
|
2319 |
|
|
%UNDEFINE
|
2320 |
|
|
%EQ?
|
2321 |
|
|
%NUM-EQ?
|
2322 |
|
|
%CHAR-EQ?
|
2323 |
|
|
%LESS-THAN?
|
2324 |
|
|
%MOD
|
2325 |
|
|
%SET!
|
2326 |
|
|
%SET-CAR!
|
2327 |
|
|
%SET-CDR!
|
2328 |
|
|
%FUNCTION-DATA
|
2329 |
|
|
%BUILTIN-NAME
|
2330 |
|
|
%DEVICE-SIZE
|
2331 |
|
|
%DEVICE-STATUS
|
2332 |
|
|
|
2333 |
|
|
|
2334 |
|
|
|
2335 |
|
|
|
2336 |
|
|
|
2337 |
|
|
|
2338 |
|
|
|
2339 |
|
|
|
2340 |
|
|
|
2341 |
|
|
|
2342 |
|
|
|
2343 |
|
|
%SYMBOL-TABLE
|
2344 |
|
|
%PHASE-EVAL
|
2345 |
|
|
%PHASE-EVAL-ARGS
|
2346 |
|
|
%PHASE-APPLY
|
2347 |
|
|
%PHASE-EVAL-IF
|
2348 |
|
|
%PHASE-INITIAL
|
2349 |
|
|
%PHASE-ENV-LOOKUP
|
2350 |
|
|
%PHASE-ENV-LOOKUP-LOCAL
|
2351 |
|
|
%PHASE-APPLY-FUNCTION
|
2352 |
|
|
%PHASE-BIND-ARGS
|
2353 |
|
|
%PHASE-EVAL-PROGN
|
2354 |
|
|
%PHASE-EVAL-ARGS-TOP
|
2355 |
|
|
%PHASE-EVAL-ARGS-CDR
|
2356 |
|
|
%PHASE-EVAL-ARGS-CONS
|
2357 |
|
|
%PHASE-EVAL-SYMBOL
|
2358 |
|
|
%PHASE-SET!
|
2359 |
|
|
|
2360 |
|
|
%TIMEOUT
|
2361 |
|
|
%ERR-INVALID-PHASE
|
2362 |
|
|
%ERR-UNBOUND-SYMBOL
|
2363 |
|
|
%ERR-INVALID-PARAM-LIST
|
2364 |
|
|
%ERR-TOO-FEW-ARGS
|
2365 |
|
|
%ERR-TOO-MANY-ARGS
|
2366 |
|
|
%ERR-INVALID-STATE
|
2367 |
|
|
%ERR-INVALID-ARG-LIST
|
2368 |
|
|
%ERR-TYPE-ERROR
|
2369 |
|
|
%ERR-NOT-A-LIST
|
2370 |
|
|
%ERR-NOT-A-FUNCTION
|
2371 |
|
|
%ERR-INVALID-FUNCTION
|
2372 |
|
|
%ERR-MALFORMED-FORM
|
2373 |
|
|
%ERR-INVALID-BUILTIN
|
2374 |
|
|
%ERR-INVALID-ARRAY-INDEX
|
2375 |
|
|
%ERR-INVALID-ENV
|
2376 |
|
|
%ERR-NOT-A-PAIR
|
2377 |
|
|
%ERR-IO-ERROR
|
2378 |
|
|
%ERR-DIVISION-BY-ZERO
|
2379 |
|
|
%ERR-OVERFLOW
|
2380 |
|
|
"))
|
2381 |
|
|
(loop for ch across symbols
|
2382 |
|
|
collect (if (char= ch #\Newline)
|
2383 |
|
|
|
2384 |
|
|
(char-int ch)))))
|
2385 |
|
|
|
2386 |
|
|
(defun compress-symbols (char-list)
|
2387 |
|
|
(if char-list
|
2388 |
|
|
(let* ((c1 (car char-list))
|
2389 |
|
|
(l1 (cdr char-list))
|
2390 |
|
|
(c2 (if l1 (car l1) 0))
|
2391 |
|
|
(l2 (if l1 (cdr l1) nil))
|
2392 |
|
|
(c3 (if l2 (car l2) 0))
|
2393 |
|
|
(l3 (if l2 (cdr l2) nil)))
|
2394 |
|
|
(cons (logior (ash c1 16)
|
2395 |
|
|
(ash c2 8)
|
2396 |
|
|
c3)
|
2397 |
|
|
(compress-symbols l3)))
|
2398 |
|
|
nil))
|