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DGPIX: Converted to INDEXED16

Browse Source 
Removed temp bitmaps
       Changed ugly recursive video RAM code

DDZ:   Removed RGB15 -- it's a "skeleton" driver, so why have it?

video\generic.c: Added PALETTE_INIT(RRRRR_GGGGG_BBBBB) and PALETTE_INIT(BBBBB_GGGGG_RRRRR)
This commit is contained in:
Zsolt Vasvari 2008-03-22 06:05:05 +00:00
parent f8a993ed80
commit d2b44c842f
4 changed files with 51 additions and 51 deletions
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25
src/emu/video/generic.c
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@ -625,6 +625,31 @@ PALETTE_INIT( RRRR_GGGG_BBBB )
/*-------------------------------------------------
RRRRR_GGGGG_BBBBB/BBBBB_GGGGG_RRRRR -
standard 5-5-5 palette for games using a
15-bit color space
-------------------------------------------------*/
PALETTE_INIT( RRRRR_GGGGG_BBBBB )
{
int i;
for (i = 0; i < 0x8000; i++)
palette_set_color(machine, i, MAKE_RGB(pal5bit(i >> 10), pal5bit(i >> 5), pal5bit(i >> 0)));
}
PALETTE_INIT( BBBBB_GGGGG_RRRRR )
{
int i;
for (i = 0; i < 0x8000; i++)
palette_set_color(machine, i, MAKE_RGB(pal5bit(i >> 0), pal5bit(i >> 5), pal5bit(i >> 10)));
}
/***************************************************************************
3-3-2 RGB PALETTE WRITE HANDLERS
***************************************************************************/

2
src/emu/video/generic.h
View File

@ -133,6 +133,8 @@ int flip_screen_y_get(void);
PALETTE_INIT( black_and_white );
PALETTE_INIT( RRRR_GGGG_BBBB );
PALETTE_INIT( RRRRR_GGGGG_BBBBB );
PALETTE_INIT( BBBBB_GGGGG_RRRRR );

2
src/mame/drivers/ddz.c
View File

@ -63,7 +63,7 @@ static MACHINE_DRIVER_START( ddz )
MDRV_SCREEN_ADD("main", RASTER)
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_RGB15)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_RGB32)
MDRV_SCREEN_SIZE(320, 240)
MDRV_SCREEN_VISIBLE_AREA(0, 319, 0, 239)

73
src/mame/drivers/dgpix.c
View File

@ -54,7 +54,6 @@
static UINT32 *vram;
static int vbuffer = 0;
static bitmap_t *bitmaps[2];
static int flash_roms;
static UINT32 flash_cmd = 0;
@ -139,55 +138,13 @@ static WRITE32_HANDLER( flash_w )
}
}
static void plot_pixel_rgb(int x, int y, int color)
{
if (bitmaps[vbuffer]->bpp == 32)
{
UINT32 b = (color & 0x001f) << 3;
UINT32 g = (color & 0x03e0) >> 2;
UINT32 r = (color & 0x7c00) >> 7;
*BITMAP_ADDR32(bitmaps[vbuffer], y, x) = b | (g<<8) | (r<<16);
}
else
{
/* color is BGR; convert to RGB */
color = ((color & 0x1f) << 10) | (color & 0x3e0) | ((color & 0x7c00) >> 10);
*BITMAP_ADDR16(bitmaps[vbuffer], y, x) = color;
}
}
static WRITE32_HANDLER( vram_w )
{
int x,y;
switch(mem_mask)
{
case 0:
vram_w(machine,offset,data,0x0000ffff);
vram_w(machine,offset,data,0xffff0000);
return;
case 0xffff:
if(data & 0x80000000)
return;
break;
case 0xffff0000:
if(data & 0x8000)
return;
break;
}
if ((((mem_mask & 0x0000ffff) == 0x0000ffff) && (data & 0x80000000)) ||
(((mem_mask & 0xffff0000) == 0xffff0000) && (data & 0x00008000)))
return;
COMBINE_DATA(&vram[offset+(0x40000/4)*vbuffer]);
y = offset >> 8;
x = offset & 0xff;
if(x < 320/2 && y < 240)
{
plot_pixel_rgb(x*2, y,(vram[offset+(0x40000/4)*vbuffer]>>16) & 0x7fff);
plot_pixel_rgb(x*2+1,y, vram[offset+(0x40000/4)*vbuffer] & 0x7fff);
}
}
static READ32_HANDLER( vram_r )
@ -307,13 +264,28 @@ INPUT_PORTS_END
static VIDEO_START( dgpix )
{
vram = auto_malloc(0x40000*2);
bitmaps[0] = video_screen_auto_bitmap_alloc(machine->primary_screen);
bitmaps[1] = video_screen_auto_bitmap_alloc(machine->primary_screen);
}
static VIDEO_UPDATE( dgpix )
{
copybitmap(bitmap,bitmaps[vbuffer ^ 1],0,0,0,0,cliprect);
int y;
for (y = 0; y < 240; y++)
{
int x;
UINT32 *src = &vram[(vbuffer ? 0 : 0x10000) | (y << 8)];
UINT16 *dest = BITMAP_ADDR16(bitmap, y, 0);
for (x = 0; x < 320; x += 2)
{
dest[0] = (*src >> 16) & 0x7fff;
dest[1] = (*src >> 0) & 0x7fff;
src++;
dest += 2;
}
}
return 0;
}
@ -333,10 +305,11 @@ static MACHINE_DRIVER_START( dgpix )
MDRV_SCREEN_ADD("main", RASTER)
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_RGB15)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_SIZE(512, 256)
MDRV_SCREEN_VISIBLE_AREA(0, 319, 0, 239)
MDRV_PALETTE_INIT(BBBBB_GGGGG_RRRRR)
MDRV_PALETTE_LENGTH(32768)
MDRV_VIDEO_START(dgpix)