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28 lines
496 B
ArmAsm
28 lines
496 B
ArmAsm
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; Ullrich von Bassewitz, 1998-08-21, 2009-02-22
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; CC65 runtime: Pop TOS into sreg
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;
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.export popsreg
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.import incsp2
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.importzp sp, sreg
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.macpack cpu
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popsreg:
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pha ; save A
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ldy #1
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lda (sp),y ; get hi byte
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sta sreg+1 ; store it
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.if (.cpu .bitand ::CPU_ISET_65SC02)
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lda (sp) ; get lo byte
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.else
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dey
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lda (sp),y ; get lo byte
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.endif
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sta sreg ; store it
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pla ; get A back
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jmp incsp2 ; bump stack and return
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