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34 lines
429 B
ArmAsm
34 lines
429 B
ArmAsm
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; Ullrich von Bassewitz, 21.08.1998
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; CC65 runtime: Load effective address with offset in Y relative to SP
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.export lea0sp, leaysp, plea0sp, pleaysp
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.import pushax
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.importzp sp
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lea0sp: ldy #0 ; Load offset zero
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leaysp: tya
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ldx sp+1 ; Get high byte
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clc
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adc sp
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bcc L8
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inx
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L8: rts
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plea0sp:
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ldy #0
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pleaysp:
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tya
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ldx sp+1 ; Get high byte
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clc
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adc sp
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bcc L9
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inx
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L9: jmp pushax
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