Files
cc65/libsrc/c65/cpeekcolor.s

26 lines
424 B
ArmAsm

;
; 2016-02-28, Groepaz
; 2017-06-22, Greg King
;
; unsigned char cpeekcolor (void);
;
.include "c65.inc"
.export _cpeekcolor
.importzp ptr1
_cpeekcolor:
lda SCREEN_PTR + 1
clc
adc #>$D800
sta ptr1 + 1
lda SCREEN_PTR
sta ptr1
ldy #0
lda (ptr1),y
ldx #>$0000
rts