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29 lines
517 B
ArmAsm
29 lines
517 B
ArmAsm
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; Ullrich von Bassewitz, 2002-12-03
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;
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; unsigned char __fastcall__ get_tv (void);
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; /* Return the video mode the machine is using */
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;
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.export _get_tv
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.include "plus4.inc"
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;--------------------------------------------------------------------------
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; _get_tv
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.proc _get_tv
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ldx #$01 ; Assume PAL
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bit TED_MULTI1 ; Test bit 6
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bvc pal
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dex ; NTSC
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pal: txa
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ldx #0
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rts
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.endproc
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