static WRITE8_HANDLER( gun_in0_w )
{
static int zapstore;
if (vsnes_do_vrom_bank)
{
/* switch vrom */
ppu2c0x_set_videorom_bank( 0, 0, 8, ( data & 4 ) ? 1 : 0, 512 );
}
/* here we do things a little different */
if ( data & 1 )
{
/* load up the latches */
input_latch[0] = input_port_read_indexed(machine, 0 );
/* do the gun thing */
if ( vsnes_gun_controller )
{
int x = input_port_read_indexed(machine, 4 );
int y = input_port_read_indexed(machine, 5 );
UINT32 pix, color_base;
/* get the pixel at the gun position */
pix = ppu2c0x_get_pixel( 0, x, y );
/* get the color base from the ppu */
color_base = ppu2c0x_get_colorbase( 0 );
/* look at the screen and see if the cursor is over a bright pixel */
if ( ( pix == color_base+0x20 ) || ( pix == color_base+0x30 ) ||
( pix == color_base+0x33 ) || ( pix == color_base+0x34 ) )
{
input_latch[0] |= 0x40;
}
}
input_latch[1] = input_port_read_indexed(machine, 1 );
}
if ( ( zapstore & 1 ) && ( !( data & 1 ) ) )
/* reset sound_fix to keep sound from hanging */
{
sound_fix = 0;
}
zapstore = data;
}
static WRITE8_HANDLER( gun_in0_w )
{
device_t *ppu1 = space->machine->device("ppu1");
static int zapstore;
if (vsnes_do_vrom_bank)
{
/* switch vrom */
v_set_videorom_bank(space->machine, 0, 8, (data & 4) ? 8 : 0);
}
/* here we do things a little different */
if (data & 1)
{
/* load up the latches */
input_latch[0] = input_port_read(space->machine, "IN0");
/* do the gun thing */
int x = input_port_read(space->machine, "GUNX");
int y = input_port_read(space->machine, "GUNY");
UINT32 pix, color_base;
/* get the pixel at the gun position */
pix = ppu2c0x_get_pixel(ppu1, x, y);
/* get the color base from the ppu */
color_base = ppu2c0x_get_colorbase(ppu1);
/* look at the screen and see if the cursor is over a bright pixel */
if ((pix == color_base + 0x20 ) || (pix == color_base + 0x30) ||
(pix == color_base + 0x33 ) || (pix == color_base + 0x34))
{
input_latch[0] |= 0x40;
}
input_latch[1] = input_port_read(space->machine, "IN1");
}
if ((zapstore & 1) && (!(data & 1)))
/* reset sound_fix to keep sound from hanging */
{
sound_fix = 0;
}
zapstore = data;
}