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(MESS-specific) snes: fixed a blending flag bug, fixes bg colors in Micro Machines.

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=======================================================================

Found in 2-27-16 of the snes book 1 manual.
This commit is contained in:
Angelo Salese 2009-07-19 13:46:50 +00:00
parent 902ad0ce83
commit d3a133b89d
1 changed files with 4 additions and 1 deletions
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5
src/mame/video/snes.c
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@ -162,10 +162,13 @@ static const struct SNES_MODE_CONFIG snes_modedefs[8] =
*****************************************/
INLINE void snes_draw_blend(UINT16 offset, UINT16 *colour, UINT8 mode, UINT8 clip )
{
if( clip == SNES_CLIP_ALL2) // blending mode 3 == always OFF
return;
#ifdef SNES_DBG_video
if( !debug_options.transparency_disabled )
#endif /* SNES_DBG_video */
if( (clip == SNES_CLIP_ALL || clip == SNES_CLIP_ALL2) ||
if( (clip == SNES_CLIP_ALL) ||
(clip == SNES_CLIP_IN && snes_ppu.clipmasks[5][offset]) ||
(clip == SNES_CLIP_OUT && !snes_ppu.clipmasks[5][offset]) )
{