// license:BSD-3-Clause // copyright-holders:windyfairy #include "emu.h" #include "k573kara.h" #include "bus/rs232/rs232.h" /* Karaoke PCB --------------- GX921-PWB(B)(?) (C)1999 KONAMI CO. LTD. External plate: An external plate connects the outside of the machine to the System 573. From left to right, top to bottom: - 4 pin mini-DIN port labeled "Expansion" - 5 pin mini-DIN port labeled "Helper PC" - 8 pin mini-DIN port labeled "Coin Box" - DB9 male connector labeled "RS232C" - DB15 female connector labeled "Control Panel" - RCA connector labeled "Video in", internal wiring labeled "1" - RCA connector labeled "Video out", internal wiring labeled "2" - RCA connector labeled "Montior 1 out", internal wiring labeled "3" - RCA connector labeled "Monitor 2 out", internal wiring labeled "4" - RJ45 jack labeled "Network 1" - RJ45 jack labeled "Network 2" - 4 pin dipswitch labeled "DIP" About dipswitch: there is a graphic below the dipswitch with the following explanation: "Dipswitch 3 controls network 1. Lower it when port is not in use." "Dipswitch 4 controls network 2. Lower it when port is not in use." Internal I/O board notes: - 36.864 MHz clock - 2x RJ45(?) ports labeled "MODULAR-BP" - 4x composite video plugs labeled "1" (Video in), "2" (Video out), "3" (Monitor 1 out), and "4" (Monitor 2 out) - CXA1645M RGB Encoder - PC1652D - LT1381CS RS232 chip - LS245 - 2x LVT245S - Xilinx XC9572 - Xilinx XC9536 - CN? Combined RGB + subcarrier signal from main Sys573 board - CN3 Helper Computer - CN11 Coin Box - CN6 Expansion + Lamps(?) - CN7 Lamps(?) */ DEFINE_DEVICE_TYPE(KONAMI_573_KARAOKE_IO_BOARD, k573kara_device, "k573kara", "Konami 573 karaoke I/O board") void k573kara_device::amap(address_map &map) { // Known addresses I could find that were used in the game's code // Not a full list //map(0x10, 0x11) map(0x90, 0xaf).rw(m_duart_com, FUNC(pc16552_device::read), FUNC(pc16552_device::write)).umask16(0xff); map(0xb0, 0xb1).rw(FUNC(k573kara_device::io_r), FUNC(k573kara_device::lamp1_w)); map(0xc0, 0xc1).w(FUNC(k573kara_device::lamp2_w)); map(0xd0, 0xd1).w(FUNC(k573kara_device::lamp3_w)); map(0xe0, 0xe1).rw(FUNC(k573kara_device::digital_id_r), FUNC(k573kara_device::digital_id_w)); map(0xf0, 0xf1).w(FUNC(k573kara_device::video_selector_w)); map(0xf8, 0xf9).rw(FUNC(k573kara_device::coin_box_r), FUNC(k573kara_device::coin_box_w)); } k573kara_device::k573kara_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, KONAMI_573_KARAOKE_IO_BOARD, tag, owner, clock), digital_id(*this, "digital_id"), m_duart_com(*this, "duart_com"), m_coin_box_val(0) { } void k573kara_device::device_start() { } void k573kara_device::device_reset() { m_coin_box_val = 0; } ROM_START( k573kara ) ROM_REGION( 0x000008, "digital_id", 0 ) ROM_LOAD( "digital-id.bin", 0x000000, 0x000008, CRC(2b977f4d) SHA1(2b108a56653f91cb3351718c45dfcf979bc35ef1) ) ROM_END const tiny_rom_entry *k573kara_device::device_rom_region() const { return ROM_NAME(k573kara); } void k573kara_device::device_add_mconfig(machine_config &config) { DS2401(config, digital_id); // The PC Helper RS232 and the PC16552D are right next to each other but they may possibly be separate. PC16552D(config, m_duart_com, 0); auto& duart_chan0(NS16550(config, "duart_com:chan0", clock() / 2)); auto& rs232_chan0(RS232_PORT(config, "rs232_chan0", default_rs232_devices, nullptr)); rs232_chan0.rxd_handler().set("duart_com:chan0", FUNC(ins8250_uart_device::rx_w)); rs232_chan0.dcd_handler().set("duart_com:chan0", FUNC(ins8250_uart_device::dcd_w)); rs232_chan0.dsr_handler().set("duart_com:chan0", FUNC(ins8250_uart_device::dsr_w)); rs232_chan0.ri_handler().set("duart_com:chan0", FUNC(ins8250_uart_device::ri_w)); rs232_chan0.cts_handler().set("duart_com:chan0", FUNC(ins8250_uart_device::cts_w)); duart_chan0.out_tx_callback().set("rs232_chan0", FUNC(rs232_port_device::write_txd)); duart_chan0.out_dtr_callback().set("rs232_chan0", FUNC(rs232_port_device::write_dtr)); duart_chan0.out_rts_callback().set("rs232_chan0", FUNC(rs232_port_device::write_rts)); } uint16_t k573kara_device::io_r() { // Stage platforms can be connected through the RJ45 ports and the data returned through here. // 0x200 must be set for this I/O port to be used. return 0; } void k573kara_device::lamp1_w(uint16_t data) { } void k573kara_device::lamp2_w(uint16_t data) { } void k573kara_device::lamp3_w(uint16_t data) { } uint16_t k573kara_device::coin_box_r() { // Unsure how the coin box works exactly. It seems to be a toggle instead of a normal coin insert. // If you release the coin box button it thinks there is no money inserted and will kick you back to the title screen. // The coin box can be disabled in the user settings menu. return m_coin_box_val; } void k573kara_device::coin_box_w(uint16_t data) { // Possibly some kind of other I/O unrelated to the coin box m_coin_box_val = data; } void k573kara_device::video_selector_w(uint16_t data) { // This value gets changed when testing during the video selector menu. // The IO board seems to have 4 composite video ports so my guess is that it switches connectors. } uint16_t k573kara_device::digital_id_r() { return digital_id->read(); } void k573kara_device::digital_id_w(uint16_t data) { digital_id->write( data & 1 ); }