public static void cps2_eeprom_port_bh(int data)
{
data = (data & 0xff) << 8;
Eeprom.eeprom_write_bit(data & 0x1000);
Eeprom.eeprom_set_clock_line(((data & 0x2000) != 0) ? LineState.ASSERT_LINE : LineState.CLEAR_LINE);
Eeprom.eeprom_set_cs_line(((data & 0x4000) != 0) ? LineState.CLEAR_LINE : LineState.ASSERT_LINE);
}
public static void cps1_eeprom_port_w(int data)
{
/*
* bit 0 = data
* bit 6 = clock
* bit 7 = cs
*/
Eeprom.eeprom_write_bit(data & 0x01);
Eeprom.eeprom_set_cs_line(((data & 0x80) != 0) ? LineState.CLEAR_LINE : LineState.ASSERT_LINE);
Eeprom.eeprom_set_clock_line(((data & 0x40) != 0) ? LineState.ASSERT_LINE : LineState.CLEAR_LINE);
}
public static void cps2_eeprom_port_w(int data)
{
//high 8 bits
{
/* bit 0 - Unused */
/* bit 1 - Unused */
/* bit 2 - Unused */
/* bit 3 - Unused? */
/* bit 4 - Eeprom data */
/* bit 5 - Eeprom clock */
/* bit 6 - */
/* bit 7 - */
/* EEPROM */
Eeprom.eeprom_write_bit(data & 0x1000);
Eeprom.eeprom_set_clock_line(((data & 0x2000) != 0) ? LineState.ASSERT_LINE : LineState.CLEAR_LINE);
Eeprom.eeprom_set_cs_line(((data & 0x4000) != 0) ? LineState.CLEAR_LINE : LineState.ASSERT_LINE);
}
//low 8 bits
{
/* bit 0 - coin counter 1 */
/* bit 0 - coin counter 2 */
/* bit 2 - Unused */
/* bit 3 - Allows access to Z80 address space (Z80 reset) */
/* bit 4 - lock 1 */
/* bit 5 - lock 2 */
/* bit 6 - */
/* bit 7 - */
/* Z80 Reset */
Cpuint.cpunum_set_input_line(1, (int)LineState.INPUT_LINE_RESET, ((data & 0x0008) != 0) ? LineState.CLEAR_LINE : LineState.ASSERT_LINE);
Generic.coin_counter_w(0, data & 0x0001);
Generic.coin_counter_w(1, data & 0x0002);
Generic.coin_lockout_w(0, ~data & 0x0010);
Generic.coin_lockout_w(1, ~data & 0x0020);
Generic.coin_lockout_w(2, ~data & 0x0040);
Generic.coin_lockout_w(3, ~data & 0x0080);
/*
* set_led_status(0,data & 0x01);
* set_led_status(1,data & 0x10);
* set_led_status(2,data & 0x20);
*/
}
}