2000-10-26 20:43:54 +00:00
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;
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; Ullrich von Bassewitz, 26.10.2000
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;
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; CC65 runtime: Push value in a onto the stack
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;
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2001-10-01 22:21:16 +00:00
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.export pusha0sp, pushaysp, pusha
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2000-10-26 20:43:54 +00:00
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.importzp sp
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; Beware: The optimizer knows about this function!
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2001-10-01 22:21:16 +00:00
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pusha0sp:
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ldy #$00
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2000-10-26 20:43:54 +00:00
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pushaysp:
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lda (sp),y
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pusha: ldy sp
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beq @L1
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dec sp
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2000-11-28 13:33:08 +00:00
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.ifpc02
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sta (sp)
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.else
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2000-10-26 20:43:54 +00:00
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ldy #0
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sta (sp),y
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2000-11-28 13:33:08 +00:00
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.endif
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2000-10-26 20:43:54 +00:00
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rts
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@L1: dec sp+1
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dec sp
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sta (sp),y
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rts
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