Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-05-28 08:33:05 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

suprnova changes.. work in progress

Browse Source
This commit is contained in:
davidhay 2008-06-04 21:57:18 +00:00
parent 752af71d6e
commit 1bd4adbe8b
2 changed files with 60 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

@ -961,7 +961,7 @@ static MACHINE_DRIVER_START(skns)
MDRV_SCREEN_ADD("main", RASTER)
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_RGB32)
MDRV_SCREEN_SIZE(64*16,64*16)
MDRV_SCREEN_VISIBLE_AREA(0,319,0,239)

60
src/mame/video/suprnova.c
View File

@ -16,6 +16,9 @@ Tilemap flip flags were reversed
#include "driver.h"
static bitmap_t *sprite_bitmap;
#define SUPRNOVA_DECODE_BUFFER_SIZE 0x2000
extern UINT32 *skns_tilemapA_ram, *skns_tilemapB_ram, *skns_v3slc_ram;
@ -761,6 +764,9 @@ VIDEO_START(skns)
skns_tilemap_B = tilemap_create(get_tilemap_B_tile_info,tilemap_scan_rows,16,16,64, 64);
tilemap_set_transparent_pen(skns_tilemap_B,0);
sprite_bitmap = auto_bitmap_alloc(1024,1024,BITMAP_FORMAT_INDEXED16);
machine->gfx[2]->color_granularity=256;
machine->gfx[3]->color_granularity=256;
}
@ -962,8 +968,60 @@ VIDEO_UPDATE(skns)
}
fillbitmap(sprite_bitmap, 0x0000, cliprect);
skns_draw_sprites(screen->machine, sprite_bitmap, cliprect);
{
int x,y;
const pen_t *paldata = screen->machine->pens;
for (y=0;y<240;y++)
{
UINT16* src;
UINT32* dst;
src = BITMAP_ADDR16(sprite_bitmap,y,0);
dst = BITMAP_ADDR32(bitmap,y,0);
for (x=0;x<320;x++)
{
UINT16 pen = src[x]&0x7fff;
UINT16 palvalue = skns_palette_ram[pen];
if (palvalue&0x8000)
{
//UINT8 alpha = 0x00 & 0xff;
UINT32 srccolour = dst[x];
UINT32 dstcolour = paldata[pen];
int r,g,b;
int r2,g2,b2;
r = (srccolour & 0x000000ff)>> 0;
g = (srccolour & 0x0000ff00)>> 8;
b = (srccolour & 0x00ff0000)>> 16;
r2 = (dstcolour & 0x000000ff)>> 0;
g2 = (dstcolour & 0x0000ff00)>> 8;
b2 = (dstcolour & 0x00ff0000)>> 16;
r = (r+r2) / 2;
g = (g+g2) / 2;
b = (b+b2) / 2;
if (pen) dst[x] = (r << 0) | (g << 8) | (b << 16);
}
else
{
if (pen) dst[x] = paldata[pen];
}
}
}
}
skns_draw_sprites(screen->machine, bitmap, cliprect);
return 0;
}