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Fix astinvad0106u11gre

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This commit is contained in:
Aaron Giles 2008-01-12 21:42:34 +00:00
parent 864e14b28d
commit 1d181fd887
1 changed files with 1 additions and 8 deletions
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9
src/mame/drivers/astinvad.c
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@ -129,20 +129,13 @@ static VIDEO_UPDATE( astinvad )
UINT8 yoffs = flip_yoffs & screen_flip;
int x, y;
/* red screen: just fill with red and exit */
if (screen_red)
{
fillbitmap(bitmap, MAKE_RGB(0xff,0x00,0x00), cliprect);
return 0;
}
/* render the visible pixels */
for (y = cliprect->min_y; y <= cliprect->max_y; y++)
for (x = cliprect->min_x & ~7; x <= cliprect->max_x; x += 8)
{
UINT8 color = color_prom[((y & 0xf8) << 2) | (x >> 3)] >> (screen_flip ? 0 : 4);
UINT8 data = videoram[(((y ^ screen_flip) + yoffs) << 5) | ((x ^ screen_flip) >> 3)];
plot_byte(bitmap, y, x, data, color);
plot_byte(bitmap, y, x, data, screen_red ? 1 : color);
}
return 0;