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Cleaned up video implementation:

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- proper sprite/tile priorities
 - adjusted X offset to match screenshots
 - converted to tilemaps
This commit is contained in:
Aaron Giles 2008-10-13 08:31:25 +00:00
parent bccaf911b4
commit 76d7050e7a
1 changed files with 59 additions and 43 deletions
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102
src/mame/drivers/firefox.c
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@ -134,6 +134,7 @@ static unsigned char *tile_palette;
static unsigned char *sprite_palette;
static const device_config *nvram_1c;
static const device_config *nvram_1d;
static tilemap *bgtiles;
static int control_num;
static UINT8 sound_to_main_flag;
@ -146,23 +147,34 @@ static int sprite_bank;
*
*************************************/
static TILE_GET_INFO( bgtile_get_info )
{
SET_TILE_INFO(0, tileram[tile_index], 0, 0);
}
static WRITE8_HANDLER( tileram_w )
{
tileram[offset] = data;
tilemap_mark_tile_dirty(bgtiles, offset);
}
static VIDEO_START( firefox )
{
bgtiles = tilemap_create(bgtile_get_info, tilemap_scan_rows, 8,8, 64,64);
tilemap_set_transparent_pen(bgtiles, 0);
tilemap_set_scrolldy(bgtiles, video_screen_get_visible_area(machine->primary_screen)->min_y, 0);
}
static VIDEO_UPDATE( firefox )
{
int x;
int y;
int sprite;
int gfxtop = video_screen_get_visible_area(screen)->min_y;
fillbitmap( bitmap, palette_get_color(screen->machine, 256), cliprect );
for( y = 0; y < 64; y++ )
{
for( x = 0; x < 64; x++ )
{
drawgfx( bitmap, screen->machine->gfx[ 0 ], tileram[ x + ( y * 64 ) ], 0, 0, 0, x * 8, gfxtop + y * 8, cliprect, TRANSPARENCY_PEN, 0 );
}
}
for( sprite = 0; sprite < 32; sprite++ )
{
UINT8 *sprite_data = spriteram + ( 0x200 * sprite_bank ) + ( sprite * 16 );
@ -176,16 +188,18 @@ static VIDEO_UPDATE( firefox )
for( row = 0; row < 8; row++ )
{
int color = 2 * ( ( flags >> 2 ) & 0x03 );
int color = ( flags >> 2 ) & 0x03;
int flipy = flags & 0x10;
int flipx = flags & 0x20;
int code = sprite_data[ 15 - row ] + ( 256 * ( ( flags >> 6 ) & 3 ) );
drawgfx( bitmap, screen->machine->gfx[ 1 ], code, color, flipx, flipy, x + 16, gfxtop + 500 - y - ( row * 16 ), cliprect, TRANSPARENCY_PEN, 0 );
drawgfx( bitmap, screen->machine->gfx[ 1 ], code, color, flipx, flipy, x + 8, gfxtop + 500 - y - ( row * 16 ), cliprect, TRANSPARENCY_PEN, 0 );
}
}
}
tilemap_draw( bitmap, cliprect, bgtiles, 0, 0 );
return 0;
}
@ -425,10 +439,10 @@ static void firq_gen(const device_config *device, int state)
static MACHINE_START( firefox )
{
memory_configure_bank(1, 0, 32, memory_region(machine, "main") + 0x10000, 0x1000);
nvram_1c = device_list_find_by_tag(machine->config->devicelist, X2212, "nvram_1c");
nvram_1d = device_list_find_by_tag(machine->config->devicelist, X2212, "nvram_1d");
nvram_1c = devtag_get_device(machine, X2212, "nvram_1c");
nvram_1d = devtag_get_device(machine, X2212, "nvram_1d");
laserdisc = device_list_find_by_tag(machine->config->devicelist, LASERDISC, "laserdisc");
laserdisc = devtag_get_device(machine, LASERDISC, "laserdisc");
vp931_set_data_ready_callback(laserdisc, firq_gen);
control_num = 0;
@ -444,7 +458,7 @@ static MACHINE_START( firefox )
static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 8)
AM_RANGE(0x0000, 0x0fff) AM_RAM
AM_RANGE(0x1000, 0x1fff) AM_RAM AM_BASE(&tileram)
AM_RANGE(0x1000, 0x1fff) AM_RAM_WRITE(tileram_w) AM_BASE(&tileram)
AM_RANGE(0x2000, 0x27ff) AM_RAM AM_BASE(&spriteram)
AM_RANGE(0x2800, 0x2aff) AM_READWRITE(SMH_RAM, sprite_palette_w) AM_BASE(&sprite_palette)
AM_RANGE(0x2b00, 0x2b00) AM_MIRROR(0x04ff) AM_WRITE(firefox_objram_bank_w)
@ -605,17 +619,17 @@ static const gfx_layout tilelayout =
static const gfx_layout spritelayout =
{
16,16,
RGN_FRAC(1,5),
5,
{ RGN_FRAC(0,5), RGN_FRAC(1,5), RGN_FRAC(2,5), RGN_FRAC(3,5), RGN_FRAC(4,5) },
RGN_FRAC(1,6),
6,
{ RGN_FRAC(0,6), RGN_FRAC(1,6), RGN_FRAC(2,6), RGN_FRAC(3,6), RGN_FRAC(4,6), RGN_FRAC(5,6) },
{ STEP16(0,1) },
{ STEP16(0,16) },
32*8
};
static GFXDECODE_START( firefox )
GFXDECODE_ENTRY("tiles", 0, tilelayout, 0, 16)
GFXDECODE_ENTRY("sprites", 0, spritelayout, 256, 32)
GFXDECODE_ENTRY("tiles", 0, tilelayout, 0, 1)
GFXDECODE_ENTRY("sprites", 0, spritelayout, 256, 4)
GFXDECODE_END
@ -657,6 +671,8 @@ static MACHINE_DRIVER_START( firefox )
MDRV_GFXDECODE(firefox)
MDRV_PALETTE_LENGTH(512)
MDRV_VIDEO_START(firefox)
MDRV_LASERDISC_ADD("laserdisc", PHILLIPS_22VP931, "main", "ldsound")
MDRV_LASERDISC_OVERLAY(firefox, 64*8, 525, BITMAP_FORMAT_RGB32)
@ -727,19 +743,19 @@ ROM_START( firefox )
ROM_REGION( 0x2000, "tiles", ROMREGION_DISPOSE )
ROM_LOAD( "136026.125", 0x0000, 0x2000, CRC(8a32f9f1) SHA1(f899174f55cd4a24a3be4a0f4bb44d3e8e938586) ) /* 6p */
ROM_REGION( 0x28000, "sprites", ROMREGION_DISPOSE )
ROM_REGION( 0x30000, "sprites", ROMREGION_DISPOSE | ROMREGION_ERASE00 )
/* empty 6c */
/* empty 6a */
ROM_LOAD( "136026.124", 0x00000, 0x4000, CRC(5efe0f6c) SHA1(df35fd9267d966ab379c2f78ed418f4606741b28)) /* 5c */
ROM_LOAD( "136026.123", 0x04000, 0x4000, CRC(dffe48b3) SHA1(559907651bb425e26a834b467959b15092d23d27)) /* 5a */
ROM_LOAD( "136026.118", 0x08000, 0x4000, CRC(0ed4df15) SHA1(7aa599f428112fff4bfedf63fafc22f19fa66546)) /* 4c */
ROM_LOAD( "136026.122", 0x0c000, 0x4000, CRC(8e2c6616) SHA1(59cbd585028bb634034a9dfd552275bd41f01989)) /* 4a */
ROM_LOAD( "136026.117", 0x10000, 0x4000, CRC(79129084) SHA1(4219ff7cd444ad11e4cb9f1c30ac15fe0cfc5a17)) /* 3c */
ROM_LOAD( "136026.121", 0x14000, 0x4000, CRC(494972d4) SHA1(fa0e24e911b233e9644d7794ba03f76bfd39aa8c)) /* 3a */
ROM_LOAD( "136026.116", 0x18000, 0x4000, CRC(d5282d4e) SHA1(de5fdf82a615625aa77b39e035b4206216faaf9c)) /* 2c */
ROM_LOAD( "136026.120", 0x1c000, 0x4000, CRC(e1b95923) SHA1(b6d0c0af0a8f55e728cd0f4c3222745eefd57f50)) /* 2a */
ROM_LOAD( "136026.115", 0x20000, 0x4000, CRC(861abc82) SHA1(1845888d07162ae915364a2a91294731f1c5b3bd)) /* 1c */
ROM_LOAD( "136026.119", 0x24000, 0x4000, CRC(959471b1) SHA1(a032209a209f51d34360d5c7ad32ec62150158d2)) /* 1a */
ROM_LOAD( "136026.124", 0x08000, 0x4000, CRC(5efe0f6c) SHA1(df35fd9267d966ab379c2f78ed418f4606741b28)) /* 5c */
ROM_LOAD( "136026.123", 0x0c000, 0x4000, CRC(dffe48b3) SHA1(559907651bb425e26a834b467959b15092d23d27)) /* 5a */
ROM_LOAD( "136026.118", 0x10000, 0x4000, CRC(0ed4df15) SHA1(7aa599f428112fff4bfedf63fafc22f19fa66546)) /* 4c */
ROM_LOAD( "136026.122", 0x14000, 0x4000, CRC(8e2c6616) SHA1(59cbd585028bb634034a9dfd552275bd41f01989)) /* 4a */
ROM_LOAD( "136026.117", 0x18000, 0x4000, CRC(79129084) SHA1(4219ff7cd444ad11e4cb9f1c30ac15fe0cfc5a17)) /* 3c */
ROM_LOAD( "136026.121", 0x1c000, 0x4000, CRC(494972d4) SHA1(fa0e24e911b233e9644d7794ba03f76bfd39aa8c)) /* 3a */
ROM_LOAD( "136026.116", 0x20000, 0x4000, CRC(d5282d4e) SHA1(de5fdf82a615625aa77b39e035b4206216faaf9c)) /* 2c */
ROM_LOAD( "136026.120", 0x24000, 0x4000, CRC(e1b95923) SHA1(b6d0c0af0a8f55e728cd0f4c3222745eefd57f50)) /* 2a */
ROM_LOAD( "136026.115", 0x28000, 0x4000, CRC(861abc82) SHA1(1845888d07162ae915364a2a91294731f1c5b3bd)) /* 1c */
ROM_LOAD( "136026.119", 0x2c000, 0x4000, CRC(959471b1) SHA1(a032209a209f51d34360d5c7ad32ec62150158d2)) /* 1a */
DISK_REGION( "laserdisc" )
DISK_IMAGE_READONLY( "firefox", 0, NO_DUMP )
@ -767,19 +783,19 @@ ROM_START( firefoxa )
ROM_REGION( 0x2000, "tiles", ROMREGION_DISPOSE )
ROM_LOAD( "136026.125", 0x0000, 0x2000, CRC(8a32f9f1) SHA1(f899174f55cd4a24a3be4a0f4bb44d3e8e938586) ) /* 6p */
ROM_REGION( 0x28000, "sprites", ROMREGION_DISPOSE )
ROM_REGION( 0x30000, "sprites", ROMREGION_DISPOSE | ROMREGION_ERASE00 )
/* empty 6c */
/* empty 6a */
ROM_LOAD( "136026.124", 0x00000, 0x4000, CRC(5efe0f6c) SHA1(df35fd9267d966ab379c2f78ed418f4606741b28)) /* 5c */
ROM_LOAD( "136026.123", 0x04000, 0x4000, CRC(dffe48b3) SHA1(559907651bb425e26a834b467959b15092d23d27)) /* 5a */
ROM_LOAD( "136026.118", 0x08000, 0x4000, CRC(0ed4df15) SHA1(7aa599f428112fff4bfedf63fafc22f19fa66546)) /* 4c */
ROM_LOAD( "136026.122", 0x0c000, 0x4000, CRC(8e2c6616) SHA1(59cbd585028bb634034a9dfd552275bd41f01989)) /* 4a */
ROM_LOAD( "136026.117", 0x10000, 0x4000, CRC(79129084) SHA1(4219ff7cd444ad11e4cb9f1c30ac15fe0cfc5a17)) /* 3c */
ROM_LOAD( "136026.121", 0x14000, 0x4000, CRC(494972d4) SHA1(fa0e24e911b233e9644d7794ba03f76bfd39aa8c)) /* 3a */
ROM_LOAD( "136026.116", 0x18000, 0x4000, CRC(d5282d4e) SHA1(de5fdf82a615625aa77b39e035b4206216faaf9c)) /* 2c */
ROM_LOAD( "136026.120", 0x1c000, 0x4000, CRC(e1b95923) SHA1(b6d0c0af0a8f55e728cd0f4c3222745eefd57f50)) /* 2a */
ROM_LOAD( "136026.115", 0x20000, 0x4000, CRC(861abc82) SHA1(1845888d07162ae915364a2a91294731f1c5b3bd)) /* 1c */
ROM_LOAD( "136026.119", 0x24000, 0x4000, CRC(959471b1) SHA1(a032209a209f51d34360d5c7ad32ec62150158d2)) /* 1a */
ROM_LOAD( "136026.124", 0x08000, 0x4000, CRC(5efe0f6c) SHA1(df35fd9267d966ab379c2f78ed418f4606741b28)) /* 5c */
ROM_LOAD( "136026.123", 0x0c000, 0x4000, CRC(dffe48b3) SHA1(559907651bb425e26a834b467959b15092d23d27)) /* 5a */
ROM_LOAD( "136026.118", 0x10000, 0x4000, CRC(0ed4df15) SHA1(7aa599f428112fff4bfedf63fafc22f19fa66546)) /* 4c */
ROM_LOAD( "136026.122", 0x14000, 0x4000, CRC(8e2c6616) SHA1(59cbd585028bb634034a9dfd552275bd41f01989)) /* 4a */
ROM_LOAD( "136026.117", 0x18000, 0x4000, CRC(79129084) SHA1(4219ff7cd444ad11e4cb9f1c30ac15fe0cfc5a17)) /* 3c */
ROM_LOAD( "136026.121", 0x1c000, 0x4000, CRC(494972d4) SHA1(fa0e24e911b233e9644d7794ba03f76bfd39aa8c)) /* 3a */
ROM_LOAD( "136026.116", 0x20000, 0x4000, CRC(d5282d4e) SHA1(de5fdf82a615625aa77b39e035b4206216faaf9c)) /* 2c */
ROM_LOAD( "136026.120", 0x24000, 0x4000, CRC(e1b95923) SHA1(b6d0c0af0a8f55e728cd0f4c3222745eefd57f50)) /* 2a */
ROM_LOAD( "136026.115", 0x28000, 0x4000, CRC(861abc82) SHA1(1845888d07162ae915364a2a91294731f1c5b3bd)) /* 1c */
ROM_LOAD( "136026.119", 0x2c000, 0x4000, CRC(959471b1) SHA1(a032209a209f51d34360d5c7ad32ec62150158d2)) /* 1a */
DISK_REGION( "laserdisc" )
DISK_IMAGE_READONLY( "firefox", 0, NO_DUMP )