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cc65/libsrc/runtime/or.s
2017-03-12 23:21:43 +01:00

32 lines
611 B
ArmAsm

;
; Ullrich von Bassewitz, 05.08.1998
; Christian Krueger, 11-Mar-2017, added 65SC02 optimization
;
; CC65 runtime: or on ints
;
.export tosora0, tosorax
.import addysp1
.importzp sp, tmp1
.macpack cpu
tosora0:
ldx #$00
tosorax:
.if (.cpu .bitand ::CPU_ISET_65SC02)
ora (sp)
ldy #1
.else
ldy #0
ora (sp),y
iny
.endif
sta tmp1
txa
ora (sp),y
tax
lda tmp1
jmp addysp1 ; drop TOS, set condition codes