35 lines
524 B
ArmAsm
35 lines
524 B
ArmAsm
.define .cms
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! Any size compare
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! Expects: size in de-registers
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! operands on stack
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! Yields in de-registers: 0 if operands are equal
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! 1 if operands are not equal
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.cms:
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pop h
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shld .retadr
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mov l,e
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mov h,d
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mov a,l
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rar
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cc eoddz !trap is size is odd
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dad sp !now hl points to second operand
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!and sp points to the first.
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1: dcx sp
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pop psw !get next byte in accumulator
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cmp m
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inx h
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dcx d
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jnz 2f !jump if bytes are not equal
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mov a,d
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ora e
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jnz 1b
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jmp 3f
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2: dad d
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lxi d,1
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3: sphl
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lhld .retadr
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pchl
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