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#include "driver.h"
#include "includes/blockade.h"
static tilemap *bg_tilemap;
WRITE8_HANDLER( blockade_videoram_w )
{
videoram[offset] = data;
tilemap_mark_tile_dirty(bg_tilemap, offset);
if (input_port_3_r(0) & 0x80)
{
logerror("blockade_videoram_w: scanline %d\n", video_screen_get_vpos(0));
cpu_spinuntil_int();
}
}
static TILE_GET_INFO( get_bg_tile_info )
{
int code = videoram[tile_index];
SET_TILE_INFO(0, code, 0, 0);
}
VIDEO_START( blockade )
{
bg_tilemap = tilemap_create(get_bg_tile_info, tilemap_scan_rows,
TILEMAP_TYPE_PEN, 8, 8, 32, 32);
}
VIDEO_UPDATE( blockade )
{
tilemap_draw(bitmap, cliprect, bg_tilemap, 0, 0);
return 0;
}
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