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cc65/libsrc/runtime/and.s

31 lines
583 B
ArmAsm

;
; Ullrich von Bassewitz, 05.08.1998
;
; CC65 runtime: and on ints
;
.export tosanda0, tosandax
.import addysp1
.importzp sp, ptr4
.macpack cpu
tosanda0:
ldx #$00
tosandax:
.if (.cpu .bitand CPU_ISET_65SC02)
and (sp) ; 65SC02 version, saves 2 cycles and 1 byte
ldy #1
.else
ldy #0
and (sp),y
iny
.endif
pha
txa
and (sp),y
tax
pla
jmp addysp1 ; drop TOS, set condition codes