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#include "emu.h"
#include "includes/blockade.h"
WRITE8_HANDLER( blockade_videoram_w )
{
blockade_state *state = space->machine().driver_data<blockade_state>();
state->m_videoram[offset] = data;
tilemap_mark_tile_dirty(state->m_bg_tilemap, offset);
if (input_port_read(space->machine(), "IN3") & 0x80)
{
logerror("blockade_videoram_w: scanline %d\n", space->machine().primary_screen->vpos());
device_spin_until_interrupt(&space->device());
}
}
static TILE_GET_INFO( get_bg_tile_info )
{
blockade_state *state = machine.driver_data<blockade_state>();
int code = state->m_videoram[tile_index];
SET_TILE_INFO(0, code, 0, 0);
}
VIDEO_START( blockade )
{
blockade_state *state = machine.driver_data<blockade_state>();
state->m_bg_tilemap = tilemap_create(machine, get_bg_tile_info, tilemap_scan_rows, 8, 8, 32, 32);
}
SCREEN_UPDATE( blockade )
{
blockade_state *state = screen->machine().driver_data<blockade_state>();
tilemap_draw(bitmap, cliprect, state->m_bg_tilemap, 0, 0);
return 0;
}
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