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(From robiza)

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fix for kingofb37b6gre bug
This commit is contained in:
Aaron Giles 2008-01-07 02:52:17 +00:00
parent c828f95996
commit 852e1704a7
1 changed files with 14 additions and 8 deletions
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22
src/mame/video/kingobox.c
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@ -201,15 +201,21 @@ static void kingofb_draw_sprites(running_machine *machine, mame_bitmap *bitmap,
{
int offs;
for (offs = spriteram_size - 4; offs >= 0; offs -= 4)
for (offs = 0; offs < spriteram_size; offs += 4)
{
int bank = (spriteram[offs + 3] & 0x04) >> 2;
int code = spriteram[offs + 2] + ((spriteram[offs + 3] & 0x03) << 8);
int color = ((spriteram[offs + 3] & 0x70) >> 4) + 8 * palette_bank;
int flipx = 0;
int flipy = spriteram[offs + 3] & 0x80;
int sx = spriteram[offs+1];
int sy = spriteram[offs];
int roffs,bank,code,color,flipx,flipy,sx,sy;
/* the offset into spriteram seems scrambled */
roffs = BITSWAP16(offs,15,14,13,12,11,10,4,7,6,5,9,8,3,2,1,0) ^ 0x3c;
if (roffs & 0x200) roffs ^= 0x1c0;
bank = (spriteram[roffs + 3] & 0x04) >> 2;
code = spriteram[roffs + 2] + ((spriteram[roffs + 3] & 0x03) << 8);
color = ((spriteram[roffs + 3] & 0x70) >> 4) + 8 * palette_bank;
flipx = 0;
flipy = spriteram[roffs + 3] & 0x80;
sx = spriteram[roffs+1];
sy = spriteram[roffs];
if (flip_screen)
{