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32 lines
767 B
ArmAsm
32 lines
767 B
ArmAsm
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; Ullrich von Bassewitz, 24.10.2001
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; CC65 runtime: Load word from stack slot and push
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.export pushwysp, pushw0sp
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.importzp c_sp
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.macpack generic
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pushw0sp:
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ldy #3
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pushwysp:
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lda c_sp ; 3
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sub #2 ; 4
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sta c_sp ; 3
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bcs @L1 ; 3(+1)
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dec c_sp+1 ; (5)
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@L1: lda (c_sp),y ; 5 =16
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tax ; 2
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dey ; 2
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lda (c_sp),y ; 5
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ldy #$00 ; 2
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sta (c_sp),y ; 5
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iny ; 2
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txa ; 2
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sta (c_sp),y ; 5
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rts
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