23 lines
435 B
ArmAsm
23 lines
435 B
ArmAsm
.define Loil
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! This subroutine pushes an object of size greater than four bytes
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! onto the stack.
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Loil:
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sta ADDR+1 ! source address (lowbyte)
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stx ADDR ! source address (highbyte)
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sty NBYTES
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sec
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lda SP+2
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sbc NBYTES
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sta ADDR+2 ! destination address (lowbyte)
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sta SP+2 ! new stackpointer
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lda SP+1
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sbc NBYTES+1
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sta ADDR+3 ! destination address (highbyte)
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sta SP+1 ! new stackpointer
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inc NBYTES+1
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jmp Blmnp ! do the move
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