static WRITE8_HANDLER( pacland_flipscreen_w )
{
int bit = !BIT(offset,11);
/* can't use flip_screen_set(space->machine, ) because the visible area is asymmetrical */
flip_screen_set_no_update(space->machine, bit);
tilemap_set_flip_all(space->machine,flip_screen_get(space->machine) ? (TILEMAP_FLIPX | TILEMAP_FLIPY) : 0);
}
void twincobr_flipscreen(running_machine *machine, int flip)
{
tilemap_set_flip_all(machine, (flip ? (TILEMAP_FLIPY | TILEMAP_FLIPX) : 0));
twincobr_flip_screen = flip;
if (flip) {
scroll_x = -58;
scroll_y = -29;
if (toaplan_main_cpu == 1) scroll_y += 256; /* Wardner */
}
else {
scroll_x = 55;
scroll_y = 30;
}
}
static WRITE8_HANDLER( sprcros2_m_port7_w )
{
UINT8 *RAM = memory_region(space->machine, "master");
//76543210
//x------- unused
//-x------ bankswitch halves of scm-01.10k into c000-dfff
//--xx---- unused
//----x--- irq enable
//-----x-- ?? off with title flash and screen clears, possibly layer/sprite enable
//------x- flip screen
//-------x nmi enable
if((sprcros2_m_port7^data)&0x40)
memory_set_bankptr(space->machine, 1,&RAM[0x10000+((data&0x40)<<7)]);
tilemap_set_flip_all( space->machine,data&0x02?(TILEMAP_FLIPX|TILEMAP_FLIPY):0 );
sprcros2_m_port7 = data;
}
void karnov_flipscreen_w( running_machine *machine, int data )
{
karnov_state *state = (karnov_state *)machine->driver_data;
state->flipscreen = data;
tilemap_set_flip_all(machine, state->flipscreen ? (TILEMAP_FLIPY | TILEMAP_FLIPX) : 0);
}
