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mask out alpha bits

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This commit is contained in:
Michaël Banaan Ananas 2012-02-06 23:06:04 +00:00
parent ed8456c57b
commit e18a5394d2
1 changed files with 6 additions and 6 deletions
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12
src/mame/video/stvvdp2.c
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@ -4472,7 +4472,7 @@ static void stv_vdp2_copy_roz_bitmap(bitmap_rgb32 &bitmap,
switch( stv2_current_tilemap.transparency ) switch( stv2_current_tilemap.transparency )
{ {
case STV_TRANSPARENCY_PEN: case STV_TRANSPARENCY_PEN:
if ( pix != 0x0000 ) if (pix & 0xffffff)
{ {
if(stv2_current_tilemap.fade_control & 1) if(stv2_current_tilemap.fade_control & 1)
stv_vdp2_compute_color_offset_UINT32(machine,&pix,stv2_current_tilemap.fade_control & 2); stv_vdp2_compute_color_offset_UINT32(machine,&pix,stv2_current_tilemap.fade_control & 2);
@ -4487,7 +4487,7 @@ static void stv_vdp2_copy_roz_bitmap(bitmap_rgb32 &bitmap,
line[hcnt] = pix; line[hcnt] = pix;
break; break;
case STV_TRANSPARENCY_ALPHA: case STV_TRANSPARENCY_ALPHA:
if ( pix != 0x000 ) if (pix & 0xffffff)
{ {
if(stv2_current_tilemap.fade_control & 1) if(stv2_current_tilemap.fade_control & 1)
stv_vdp2_compute_color_offset_UINT32(machine,&pix,stv2_current_tilemap.fade_control & 2); stv_vdp2_compute_color_offset_UINT32(machine,&pix,stv2_current_tilemap.fade_control & 2);
@ -4496,7 +4496,7 @@ static void stv_vdp2_copy_roz_bitmap(bitmap_rgb32 &bitmap,
} }
break; break;
case STV_TRANSPARENCY_ADD_BLEND: case STV_TRANSPARENCY_ADD_BLEND:
if ( pix != 0x0000 ) if (pix & 0xffffff)
{ {
if(stv2_current_tilemap.fade_control & 1) if(stv2_current_tilemap.fade_control & 1)
stv_vdp2_compute_color_offset_UINT32(machine,&pix,stv2_current_tilemap.fade_control & 2); stv_vdp2_compute_color_offset_UINT32(machine,&pix,stv2_current_tilemap.fade_control & 2);
@ -4583,7 +4583,7 @@ static void stv_vdp2_copy_roz_bitmap(bitmap_rgb32 &bitmap,
switch( stv2_current_tilemap.transparency ) switch( stv2_current_tilemap.transparency )
{ {
case STV_TRANSPARENCY_PEN: case STV_TRANSPARENCY_PEN:
if ( pix != 0x0000 ) if (pix & 0xffffff)
{ {
if(stv2_current_tilemap.fade_control & 1) if(stv2_current_tilemap.fade_control & 1)
stv_vdp2_compute_color_offset_UINT32(machine,&pix,stv2_current_tilemap.fade_control & 2); stv_vdp2_compute_color_offset_UINT32(machine,&pix,stv2_current_tilemap.fade_control & 2);
@ -4598,7 +4598,7 @@ static void stv_vdp2_copy_roz_bitmap(bitmap_rgb32 &bitmap,
line[hcnt] = pix; line[hcnt] = pix;
break; break;
case STV_TRANSPARENCY_ALPHA: case STV_TRANSPARENCY_ALPHA:
if ( pix != 0x000 ) if (pix & 0xffffff)
{ {
if(stv2_current_tilemap.fade_control & 1) if(stv2_current_tilemap.fade_control & 1)
stv_vdp2_compute_color_offset_UINT32(machine,&pix,stv2_current_tilemap.fade_control & 2); stv_vdp2_compute_color_offset_UINT32(machine,&pix,stv2_current_tilemap.fade_control & 2);
@ -4607,7 +4607,7 @@ static void stv_vdp2_copy_roz_bitmap(bitmap_rgb32 &bitmap,
} }
break; break;
case STV_TRANSPARENCY_ADD_BLEND: case STV_TRANSPARENCY_ADD_BLEND:
if ( pix != 0x0000 ) if (pix & 0xffffff)
{ {
if(stv2_current_tilemap.fade_control & 1) if(stv2_current_tilemap.fade_control & 1)
stv_vdp2_compute_color_offset_UINT32(machine,&pix,stv2_current_tilemap.fade_control & 2); stv_vdp2_compute_color_offset_UINT32(machine,&pix,stv2_current_tilemap.fade_control & 2);