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02641: strider and clones: Problem with graphics layer

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This commit is contained in:
Nicola Salmoria 2008-11-19 09:14:29 +00:00
parent 0801d1254c
commit 2e97ff9c21
2 changed files with 4 additions and 4 deletions
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2
src/emu/drawgfx.h
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@ -44,8 +44,6 @@
This special mode can be used to save memory in games that require several different This special mode can be used to save memory in games that require several different
handlings of the same ROM data (e.g. metro.c can use both 4bpp and 8bpp tiles, and both handlings of the same ROM data (e.g. metro.c can use both 4bpp and 8bpp tiles, and both
8x8 and 16x16; cps.c has 8x8, 16x16 and 32x32 tiles all fetched from the same ROMs). 8x8 and 16x16; cps.c has 8x8, 16x16 and 32x32 tiles all fetched from the same ROMs).
Note, however, that performance will suffer in rotated games, since the gfx data will
not be prerotated and will rely on GFX_SWAPXY.
*/ */
enum enum

6
src/mame/video/cps1.c
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@ -1945,6 +1945,7 @@ static TILEMAP_MAPPER( tilemap2_scan )
return (row & 0x07) + ((col & 0x3f) << 3) + ((row & 0x38) << 6); return (row & 0x07) + ((col & 0x3f) << 3) + ((row & 0x38) << 6);
} }
static UINT8 empty_tile8x8[8*8];
static UINT8 empty_tile[32*32/2]; static UINT8 empty_tile[32*32/2];
static TILE_GET_INFO( get_tile0_info ) static TILE_GET_INFO( get_tile0_info )
@ -1970,7 +1971,7 @@ static TILE_GET_INFO( get_tile0_info )
// for out of range tiles, switch to fully transparent data // for out of range tiles, switch to fully transparent data
// (but still call SET_TILE_INFO, otherwise problems might occur on boot e.g. unsquad) // (but still call SET_TILE_INFO, otherwise problems might occur on boot e.g. unsquad)
if (code == -1) if (code == -1)
tileinfo->pen_data = empty_tile; tileinfo->pen_data = empty_tile8x8;
} }
static TILE_GET_INFO( get_tile1_info ) static TILE_GET_INFO( get_tile1_info )
@ -2046,7 +2047,8 @@ static VIDEO_START( cps )
/* front masks will change at runtime to handle sprite occluding */ /* front masks will change at runtime to handle sprite occluding */
cps1_update_transmasks(); cps1_update_transmasks();
memset(empty_tile,0xff,sizeof(empty_tile)); memset(empty_tile8x8,0x0f,sizeof(empty_tile8x8));
memset(empty_tile,0xff,sizeof(empty_tile)); // 16x16 and 32x32 use packed graphics, 8x8 does not
for (i = 0;i < cps1_palette_entries*16;i++) for (i = 0;i < cps1_palette_entries*16;i++)
{ {