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cc65/libsrc/runtime/popa.s
cuz c2f5cb7cce Added some cycle counts
git-svn-id: svn://svn.cc65.org/cc65/trunk@2043 b7a2c559-68d2-44c3-8de9-860c34a00d81
2003-04-12 20:50:58 +00:00

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349 B
ArmAsm

;
; Ullrich von Bassewitz, 25.10.2000
;
; CC65 runtime: Pop a from stack
;
.export popa
.importzp sp
.proc popa
.ifpc02
lda (sp)
.else
ldy #0 ; (2)
lda (sp),y ; (7) Read byte
.endif
inc sp ; (12)
beq @L1 ; (14)
rts ; (20)
@L1: inc sp+1
rts
.endproc