static WRITE_HANDLER( thunderx_1f98_w )
{
//logerror("%04x: write %02x to 1f98\n",cpu_get_pc(),data);
/* bit 0 = enable char ROM reading through the video RAM */
K052109_set_RMRD_line((data & 0x01) ? ASSERT_LINE : CLEAR_LINE);
/* bit 1 unknown - used by Thunder Cross during test of RAM C8 (5800-5fff) */
if ( data & 2 )
calculate_collisions();
}
static void thunderx_1f98_w(unsigned char data)
{
K052109RMRDLine = data & 0x01;
if ((data & 4) && !(thunderx_1f98_data & 4))
{
calculate_collisions();
konamiRun(10);
konamiSetIrqLine(KONAMI_FIRQ_LINE, KONAMI_HOLD_LINE); // must be delayed
}
thunderx_1f98_data = data;
}
static WRITE_HANDLER( thunderx_1f98_w )
{
//logerror("%04x: write %02x to 1f98\n",cpu_get_pc(),data);
/* bit 0 = enable char ROM reading through the video RAM */
K052109_set_RMRD_line((data & 0x01) ? ASSERT_LINE : CLEAR_LINE);
/* bit 1 = reset for collision MCU??? */
/* we don't need it, anyway */
/* bit 2 = do collision detection when 0->1 */
if ((data & 4) && !(unknown_enable & 4))
{
calculate_collisions();
}
unknown_enable = data;
}
static WRITE_HANDLER( thunderx_1f98_w )
{
// logerror("%04x: 1f98_w %02x\n",activecpu_get_pc(),data);
/* bit 0 = enable char ROM reading through the video RAM */
K052109_set_RMRD_line((data & 0x01) ? ASSERT_LINE : CLEAR_LINE);
/* bit 1 = PMC-BK */
pmcbank = (data & 0x02) >> 1;
/* bit 2 = do collision detection when 0->1 */
if ((data & 4) && !(unknown_enable & 4))
{
calculate_collisions();
/* 100 cycle delay is arbitrary */
timer_set(TIME_IN_CYCLES(100,0),0, thunderx_firq_callback);
}
unknown_enable = data;
}
static WRITE8_HANDLER( thunderx_1f98_w )
{
// logerror("%04x: 1f98_w %02x\n",cpu_get_pc(space->cpu),data);
/* bit 0 = enable char ROM reading through the video RAM */
K052109_set_RMRD_line((data & 0x01) ? ASSERT_LINE : CLEAR_LINE);
/* bit 1 = PMC-BK */
pmcbank = (data & 0x02) >> 1;
/* bit 2 = do collision detection when 0->1 */
if ((data & 4) && !(thunderx_1f98_data & 4))
{
calculate_collisions();
/* 100 cycle delay is arbitrary */
timer_set(space->machine, cpu_clocks_to_attotime(space->cpu,100), NULL, 0, thunderx_firq_callback);
}
thunderx_1f98_data = data;
}
static WRITE8_HANDLER( thunderx_1f98_w )
{
thunderx_state *state = (thunderx_state *)space->machine->driver_data;
// logerror("%04x: 1f98_w %02x\n", cpu_get_pc(space->cpu),data);
/* bit 0 = enable char ROM reading through the video RAM */
k052109_set_rmrd_line(state->k052109, (data & 0x01) ? ASSERT_LINE : CLEAR_LINE);
/* bit 1 = PMC-BK */
state->pmcbank = (data & 0x02) >> 1;
/* bit 2 = do collision detection when 0->1 */
if ((data & 4) && !(state->_1f98_data & 4))
{
calculate_collisions(space->machine);
/* 100 cycle delay is arbitrary */
timer_set(space->machine, downcast<cpu_device *>(space->cpu)->cycles_to_attotime(100), NULL, 0, thunderx_firq_callback);
}
state->_1f98_data = data;
}
int main(int argc, char **argv)
{
unsigned int i;
unsigned long int n;
unsigned int *boys = NULL, *girls = NULL;
if (argc == 2)
{
n = atoi(argv[1]);
printf("number of boys/girls: %lu\n", n);
srand(time(NULL));
boys = (unsigned int *) malloc (sizeof(int)*n);
girls = (unsigned int *) malloc (sizeof(int)*n);
for (i = 0; i < n; i++)
{
boys[i] = i;
girls[i] = i;
}
shuffle((int *)boys, n);
shuffle((int *)girls, n);
for (int i = 0; i < n; i++)
printf("boy: %d | girl: %d\n", boys[i], girls[i]);
printf("\ncollisions: %u\n", calculate_collisions(boys, girls, n));
free(boys);
free(girls);
}
else
usage(argv[0]);
}
