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Cool Riders: some hooks to allow FBI logo drawing [Angelo Salese]

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Angelo Salese 2009-12-02 20:41:38 +00:00
parent 05fc796369
commit f3bdc40bd6
1 changed files with 12 additions and 9 deletions
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21
src/mame/drivers/coolridr.c
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@ -66,25 +66,27 @@ static VIDEO_START(coolridr)
static VIDEO_UPDATE(coolridr) static VIDEO_UPDATE(coolridr)
{ {
/* /*
0x3e0bc00-0x3e0cbff and 0x3e0cc00-0x3e0dbff looks like tilemap planes. 0x3e0bc00-0x3e0dbff looks like tilemap planes.
0x3e00000 onward seems to contain video registers, I've seen MAP registers that clearly points to the aforementioned planes. 0x3e00000 onward seems to contain video registers, I've seen MAP registers that clearly points to the aforementioned planes.
*/ */
const gfx_element *gfx = screen->machine->gfx[5]; const gfx_element *gfx = screen->machine->gfx[5];
int count = 0x0bc00/4; int count = 0x0bc00/4;
int y,x; int y,x;
/* The following is just a hack to draw the FBI logo */
for (y=0;y<64;y++) for (y=0;y<64;y++)
{ {
for (x=0;x<64;x+=2) for (x=0;x<128;x+=2)
{ {
int tile; int tile;
tile = (framebuffer_vram[count] & 0x0fff0000) >> 16; tile = (framebuffer_vram[count] & 0x0fff0000) >> 16;
//int colour = tile>>12; //int colour = tile>>12;
drawgfx_opaque(bitmap,cliprect,gfx,tile,0,0,0,(x+0)*8,y*8); drawgfx_opaque(bitmap,cliprect,gfx,tile|0x1000,0,0,0,(x+0)*16,y*16);
tile = (framebuffer_vram[count] & 0x00000fff) >> 0; tile = (framebuffer_vram[count] & 0x00000fff) >> 0;
drawgfx_opaque(bitmap,cliprect,gfx,tile,0,0,0,(x+1)*8,y*8); drawgfx_opaque(bitmap,cliprect,gfx,tile|0x1000,0,0,0,(x+1)*16,y*16);
count++; count++;
} }
@ -260,7 +262,7 @@ static const gfx_layout tiles8x8_layout =
16*128 16*128
}; };
#if 0
static const gfx_layout test = static const gfx_layout test =
{ {
8,8, 8,8,
@ -271,6 +273,7 @@ static const gfx_layout test =
{ 0*8*4, 1*8*4, 2*8*4, 3*8*4, 4*8*4, 5*8*4, 6*8*4, 7*8*4 }, { 0*8*4, 1*8*4, 2*8*4, 3*8*4, 4*8*4, 5*8*4, 6*8*4, 7*8*4 },
8*8*4 8*8*4
}; };
#endif
static GFXDECODE_START( coolridr ) static GFXDECODE_START( coolridr )
GFXDECODE_ENTRY( "gfx1", 0, tiles8x8_layout, 0, 16 ) GFXDECODE_ENTRY( "gfx1", 0, tiles8x8_layout, 0, 16 )
@ -278,7 +281,7 @@ static GFXDECODE_START( coolridr )
GFXDECODE_ENTRY( "gfx3", 0, tiles8x8_layout, 0, 16 ) GFXDECODE_ENTRY( "gfx3", 0, tiles8x8_layout, 0, 16 )
GFXDECODE_ENTRY( "gfx4", 0, tiles8x8_layout, 0, 16 ) GFXDECODE_ENTRY( "gfx4", 0, tiles8x8_layout, 0, 16 )
GFXDECODE_ENTRY( "gfx5", 0, tiles8x8_layout, 0, 16 ) GFXDECODE_ENTRY( "gfx5", 0, tiles8x8_layout, 0, 16 )
GFXDECODE_ENTRY( "maincpu", 0x56840, test, 0, 16 ) GFXDECODE_ENTRY( "maincpu", 0, tiles8x8_layout, 0, 16 )
GFXDECODE_END GFXDECODE_END
static INPUT_PORTS_START( coolridr ) static INPUT_PORTS_START( coolridr )
@ -333,8 +336,8 @@ static MACHINE_DRIVER_START( coolridr )
MDRV_SCREEN_REFRESH_RATE(60) MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_RGB32) MDRV_SCREEN_FORMAT(BITMAP_FORMAT_RGB32)
MDRV_SCREEN_SIZE(64*8, 64*8) MDRV_SCREEN_SIZE(128*8, 64*8)
MDRV_SCREEN_VISIBLE_AREA(0*8, 64*8-1, 0*8, 64*8-1) MDRV_SCREEN_VISIBLE_AREA(0*8, 128*8-1, 0*8, 64*8-1) //TODO: these are just two different screens
MDRV_PALETTE_LENGTH(0x10000) MDRV_PALETTE_LENGTH(0x10000)
MDRV_MACHINE_RESET(coolridr) MDRV_MACHINE_RESET(coolridr)
@ -409,4 +412,4 @@ static DRIVER_INIT( coolridr )
memory_install_read32_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x60d8894, 0x060d8897, 0, 0, coolridr_hack2_r ); memory_install_read32_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x60d8894, 0x060d8897, 0, 0, coolridr_hack2_r );
} }
GAME( 1995, coolridr, 0, coolridr, coolridr, coolridr, ROT0, "Sega", "Cool Riders",GAME_NOT_WORKING|GAME_NO_SOUND ) GAME( 1995, coolridr, 0, coolridr, coolridr, coolridr, ROT0, "Sega", "Cool Riders (US)",GAME_NOT_WORKING|GAME_NO_SOUND )