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Fixed sprite offsets and tilemap window priority.

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This commit is contained in:
Angelo Salese 2009-06-07 14:28:58 +00:00
parent 4e67a0a589
commit eb9250c869
1 changed files with 26 additions and 3 deletions
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29
src/mame/drivers/mirax.c
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@ -8,9 +8,9 @@ Angelo Salese
Olivier Galibert
TODO:
- emulate sound properly;
- sprite offsets?
- score / credits display should stay above the sprites?
- emulate sound properly;
====================================================
@ -89,7 +89,7 @@ static void draw_sprites(running_machine *machine, bitmap_t *bitmap, const recta
{
int spr_offs,x,y,color,fx,fy;
if(spriteram[count] == 0x00 && spriteram[count+3] == 0x00)
if(spriteram[count] == 0x00 || spriteram[count+3] == 0x00)
continue;
spr_offs = (spriteram[count+1] & 0x3f);
@ -132,6 +132,29 @@ static VIDEO_UPDATE(mirax)
draw_sprites(screen->machine,bitmap,cliprect);
count = 0x00000;
/* draw score and credit displays above the sprites */
for (y=0;y<32;y++)
{
for (x=0;x<32;x++)
{
int tile = videoram[count];
int color = (colorram[x*2]<<8) | (colorram[(x*2)+1]);
int x_scroll = (color & 0xff00)>>8;
tile |= ((color & 0xe0)<<3);
if(x <= 1 || x >= 30)
{
drawgfx(bitmap,gfx,tile,color & 7,0,0,(x*8),(y*8)-x_scroll,cliprect,TRANSPARENCY_NONE,0);
/* wrap-around */
drawgfx(bitmap,gfx,tile,color & 7,0,0,(x*8),(y*8)-x_scroll+256,cliprect,TRANSPARENCY_NONE,0);
}
count++;
}
}
return 0;
}
@ -431,4 +454,4 @@ static DRIVER_INIT( mirax )
}
GAME( 1985, mirax, 0, mirax, mirax, mirax, ROT90, "Current Technologies", "Mirax", GAME_IMPERFECT_SOUND | GAME_IMPERFECT_GRAPHICS )
GAME( 1985, mirax, 0, mirax, mirax, mirax, ROT90, "Current Technologies", "Mirax", GAME_IMPERFECT_SOUND )