static WRITE_HANDLER( blockade_videoram_w )
{
videoram_w(offset, data);
if (input_port_3_r(0) & 0x80)
{
logerror("blockade_videoram_w: scanline %d\n", cpu_getscanline());
cpu_spinuntil_int();
}
}
static WRITE8_HANDLER( quasar_video_w )
{
if (page == 0) videoram_w(offset,data);
if (page == 1) colorram_w(offset,(data & 7)); // 3 bits of ram only - 3 x 2102
if (page == 2)
{
quasar_effectram[offset] = data;
}
if (page == 3)
{
quasar_effectcontrol = data;
}
}
static WRITE8_HANDLER( quasar_video_w )
{
if (page == 0) videoram_w(offset,data);
if (page == 1) colorram_w(offset,(data & 7)); /* 3 bits of ram only - 3 x 2102 */
if (page == 2)
{
effectram[offset] = data;
effectdirty[offset] = 1;
}
if (page == 3)
{
effectcontrol = data;
memset(effectdirty,1,sizeof(effectdirty));
}
}
static WRITE8_HANDLER(videoctrl2a_w)
{
int i, old_flip;
old_flip = flipscreen;
if((data & 0x20) == 0x20 && (readinputport(2) & 0x20) == 0x20)
flipscreen = 1;
else
flipscreen = 0;
if(old_flip != flipscreen)
{
/* redraw screen */
for(i=0;i<0x1c00;i++)
videoram_w(i,videoram[i]);
}
}
void sbowling_state::postload()
{
address_space &space = m_maincpu->space(AS_PROGRAM);
for (int offs = 0; offs < 0x4000; offs++)
videoram_w(space, offs, m_videoram[offs]);
}
