;
-; Christian Groessler, June 2004
+; Christian Groessler, July 2004
;
-; unsigned char _get_tv(void)
+; unsigned char get_tv(void)
;
; returns the TV system the machine is using
; 0 - NTSC
;
- .include "atari.inc"
- .export __get_tv
+ .include "atari.inc"
+ .include "get_tv.inc"
-.proc __get_tv
+.proc _get_tv
- lda PAL ; use hw register, PALNTS is only supported on XL/XE ROM
- ldx #0
- and #$0e
- bne @NTSC
- lda #1
- rts
-@NTSC: txa
- rts
+ ldx #TV::NTSC ; Assume NTSC
+ lda PAL ; use hw register, PALNTS is only supported on XL/XE ROM
+ and #$0e
+ bne @NTSC
+ inx ; = TV::PAL
+@NTSC: txa
+ ldx #0 ; Expand to int
+ rts
.endproc