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cc65/libsrc/atari/atari_color.s

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;
; Christian Groessler, 13-Dec-2002
;
; unsigned char __fastcall__ _atari_textcolor (unsigned char color);
; unsigned char __fastcall__ _atari_bgcolor (unsigned char color);
; unsigned char __fastcall__ _atari_bordercolor (unsigned char color);
;
.export __atari_textcolor, __atari_bgcolor, __atari_bordercolor
.include "atari.inc"
__atari_textcolor:
ldx COLOR1 ; get old value
sta COLOR1 ; set new value
txa
rts
__atari_bgcolor:
ldx COLOR2 ; get old value
sta COLOR2 ; set new value
txa
rts
__atari_bordercolor:
ldx COLOR4 ; get old value
sta COLOR4 ; set new value
txa
rts