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Rev 156 |
;;; Test 68HC11 linker relaxation from extended addressing to direct
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;;; Test 68HC11 linker relaxation from extended addressing to direct
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;;; addressing modes
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;;; addressing modes
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;;;
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;;;
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.sect .text
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.sect .text
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.globl _start
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.globl _start
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_start:
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_start:
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start:
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start:
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lds stack
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lds stack
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ldd _bar
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ldd _bar
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beq F1
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beq F1
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beq F2
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beq F2
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std _bar
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std _bar
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jsr _bar
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jsr _bar
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F1:
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F1:
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addd _toto
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addd _toto
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bne start
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bne start
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;; All the following instructions will be relaxed and win 1 byte
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;; All the following instructions will be relaxed and win 1 byte
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;; for each.
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;; for each.
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addd _toto+200
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addd _toto+200
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addd stack+256-20
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addd stack+256-20
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adca _table+2
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adca _table+2
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adcb _table+3
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adcb _table+3
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adda _table+4
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adda _table+4
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addb _table+5
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addb _table+5
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addd _table+6
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addd _table+6
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anda _table+7
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anda _table+7
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andb _table+8
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andb _table+8
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cmpa _table+9
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cmpa _table+9
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cmpb _table+10
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cmpb _table+10
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cpd _table+11
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cpd _table+11
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cpx _table+12
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cpx _table+12
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cpy _table+13
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cpy _table+13
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eora _table+14
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eora _table+14
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eorb _table+15
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eorb _table+15
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jsr _table+16
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jsr _table+16
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ldaa _table+17
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ldaa _table+17
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ldab _table+18
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ldab _table+18
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ldd _table+19
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ldd _table+19
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lds _table+20
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lds _table+20
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ldx _table+21
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ldx _table+21
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ldy _table+22
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ldy _table+22
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oraa _table+23
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oraa _table+23
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orab _table+24
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orab _table+24
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sbcb _table+25
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sbcb _table+25
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sbca _table+26
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sbca _table+26
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staa _table+27
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staa _table+27
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stab _table+28
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stab _table+28
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std _table+29
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std _table+29
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sts _table+30
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sts _table+30
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stx _table+31
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stx _table+31
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sty _table+32
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sty _table+32
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suba _table+33
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suba _table+33
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subb _table+34
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subb _table+34
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subd _table+35
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subd _table+35
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;; 'bne' is assembled as far branch and must relax to
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;; 'bne' is assembled as far branch and must relax to
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;; a relative 8-bit branch.
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;; a relative 8-bit branch.
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bne _start
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bne _start
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;; Likewise for next branch
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;; Likewise for next branch
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bra F1
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bra F1
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rts
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rts
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;;; The following instructions will not be relaxed
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;;; The following instructions will not be relaxed
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no_relax:
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no_relax:
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addd _stack_top+60
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addd _stack_top+60
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std _stack_top+40
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std _stack_top+40
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;; 'tst' does not support direct addressing mode.
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;; 'tst' does not support direct addressing mode.
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tst _toto+1
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tst _toto+1
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bne no_relax
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bne no_relax
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.skip 200
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.skip 200
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F2:
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F2:
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bra _start
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bra _start
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|
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.sect .page0
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.sect .page0
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_bar:
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_bar:
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.long 0
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.long 0
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_toto:
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_toto:
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.long 0
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.long 0
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.skip 32
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.skip 32
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stack:
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stack:
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.skip 10
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.skip 10
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_table:
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_table:
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.skip 200
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.skip 200
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_stack_top:
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_stack_top:
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|
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