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Port from MESS, nw

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This commit is contained in:
Angelo Salese 2011-07-20 01:16:18 +00:00
parent ceeea18db5
commit 0350590737
1 changed files with 7 additions and 8 deletions
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15
src/mame/video/stvvdp2.c
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@ -2372,16 +2372,15 @@ static UINT8 stv_vdp2_check_vram_cycle_pattern_registers(
INLINE UINT16 stv_add_blend(UINT16 a, UINT16 b)
{
UINT16 _r = (a & 0x7c00) + (b & 0x7c00);
UINT16 _g = (a & 0x03e0) + (b & 0x03e0);
UINT16 _b = (a & 0x001f) + (b & 0x001f);
UINT16 _r = ((a & 0x7c00) >> 10) + ((b & 0x7c00) >> 10);
UINT16 _g = ((a & 0x03e0) >> 5) + ((b & 0x03e0) >> 5);
UINT16 _b = ((a & 0x001f) >> 0) + ((b & 0x001f) >> 0);
if ( _r > 0x7c00 ) _r = 0x7c00;
if ( _g > 0x03e0 ) _g = 0x03e0;
if ( _b > 0x001f ) _b = 0x001f;
return _r | _g | _b;
if ( _r > 0x1f ) _r = 0x1f;
if ( _g > 0x1f ) _g = 0x1f;
if ( _b > 0x1f ) _b = 0x1f;
return (_r<<10) | (_g<<5) | (_b<<0);
}
static void stv_vdp2_drawgfxzoom(