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improved display, not sure if it's accurate.

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smf- 2008-09-18 07:54:11 +00:00
parent c6e60c5378
commit 8e4ed69247
1 changed files with 29 additions and 15 deletions
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44
src/mame/drivers/firefox.c
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@ -292,27 +292,16 @@ static int sprite_bank;
*
*************************************/
VIDEO_UPDATE( firefox )
static void draw_sprites( bitmap_t *bitmap, int priority, const rectangle *visarea )
{
int x;
int y;
int sprite;
const rectangle *visarea = video_screen_get_visible_area( Machine->primary_screen );
for( y = 0; y < 64; y++ )
{
for( x = 0; x < 64; x++ )
{
drawgfx( bitmap, Machine->gfx[ 0 ], tileram[ x + ( y * 64 ) ], 0, 0, 0, x * 8, y * 8, visarea, TRANSPARENCY_NONE, 0 );
}
}
for( sprite = 0; sprite < 32; sprite++ )
{
UINT8 *sprite_data = spriteram + ( 0x200 * sprite_bank ) + ( sprite * 16 );
int flags = sprite_data[ 0 ];
y = sprite_data[ 1 ] + ( 256 * ( ( flags >> 0 ) & 1 ) );
x = sprite_data[ 2 ] + ( 256 * ( ( flags >> 1 ) & 1 ) );
int y = sprite_data[ 1 ] + ( 256 * ( ( flags >> 0 ) & 1 ) );
int x = sprite_data[ 2 ] + ( 256 * ( ( flags >> 1 ) & 1 ) );
if( x != 0 )
{
@ -325,11 +314,36 @@ VIDEO_UPDATE( firefox )
int flipx = flags & 0x20;
int flipy = flags & 0x10;
drawgfx( bitmap, Machine->gfx[ 1 ], code, color, flipx, flipy, x + 16, 500 - y - ( row * 16 ), visarea, TRANSPARENCY_PEN, 0 );
if( ( flags & 1 ) == priority )
{
drawgfx( bitmap, Machine->gfx[ 1 ], code, color, flipx, flipy, x + 16, 500 - y - ( row * 16 ), visarea, TRANSPARENCY_PEN, 0 );
}
}
}
}
}
VIDEO_UPDATE( firefox )
{
int x;
int y;
const rectangle *visarea = video_screen_get_visible_area( Machine->primary_screen );
fillbitmap( bitmap, 256, visarea );
draw_sprites( bitmap, 1, visarea );
for( y = 0; y < 64; y++ )
{
for( x = 0; x < 64; x++ )
{
drawgfx( bitmap, Machine->gfx[ 0 ], tileram[ x + ( y * 64 ) ], 0, 0, 0, x * 8, y * 8, visarea, TRANSPARENCY_PEN, 0 );
}
}
draw_sprites( bitmap, 0, visarea );
return 0;
}