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# $Id: test_w11a_inst_traps.tcl 552 2014-03-02 23:02:00Z mueller $

#

# Copyright 2013-2014 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>

# License disclaimer see LICENSE_gpl_v2.txt in $RETROBASE directory

#

# Revision History:

# Date         Rev Version  Comment

# 2014-03-01   552   1.0.1  check that unused regs stay 0; use stack:; check sp;

# 2013-04-01   502   1.0    Initial version

#

# Test trap type instructions: bpt,iot, emt nn, trap nn

#

# ----------------------------------------------------------------------------

rlc log "test_w11a_inst_traps: test trap type instructions"

# code register pre/post conditions beyond defaults

#   r5   #data   -> #data+6*5*2

$cpu ldasm -lst lst -sym sym {

        . = 14

        .word   h.bpt           ; vec 14: bpt

        .word   340

        .word   h.iot           ; vec 20: iot

        .word   341

        . = 30

        .word   h.emt           ; vec 30: emt

        .word   342

        .word   h.trp           ; vec 34: trap

        .word   343

;

        psw = 177776

;

        . = 1000

stack:

start:  mov     #350,@#psw

        bpt

350$:   mov     #351,@#psw

        iot

351$:   mov     #352,@#psw

        emt     100

352$:   mov     #353,@#psw

        emt     200

353$:   mov     #354,@#psw

        trap    10

354$:   mov     #355,@#psw

        trap    20

355$:   halt

stop:

;

h.bpt:  mov     @#psw,(r5)+             ; record psw

        mov     #1014,(r5)+             ; record trap id

        br      iexit

h.iot:  mov     @#psw,(r5)+

        mov     #1020,(r5)+

        br      iexit

h.emt:  mov     @#psw,(r5)+

        mov     #1030,(r5)+

        br      iexit

h.trp:  mov     @#psw,(r5)+

        mov     #1034,(r5)+

;

iexit:  mov     (sp),r4                 ; get stack PC

        mov     r4,(r5)+                ; record PC

        mov     2(sp),(r5)+             ; record stack PS

        mov     -2(r4),(r5)+            ; record opcode of trap

        rti

;

data:   .blkw   6.*5.

        .word   177777

}

rw11::asmrun  $cpu sym [list r5 $sym(data) ]

rw11::asmwait $cpu sym 1.0

rw11::asmtreg $cpu [list r0 0 \

                         r1 0 \

                         r2 0 \

                         r3 0 \

                         r5 [expr {$sym(data) + 6*5*2}] \

                         sp $sym(stack) ]

# data: trap ps; trap id; stack-pc;    stack-ps   opcode

rw11::asmtmem $cpu $sym(data) \

  [list 000340   001014 $sym(start:350$) 000350   0000003 \

        000341   001020 $sym(start:351$) 000351   0000004 \

        000342   001030 $sym(start:352$) 000352   0104100 \

        000342   001030 $sym(start:353$) 000353   0104200 \

        000343   001034 $sym(start:354$) 000354   0104410 \

        000343   001034 $sym(start:355$) 000355   0104420 \

        0177777 ]