diff options
Diffstat (limited to 'src/mame/machine/k573kara.cpp')
-rw-r--r-- | src/mame/machine/k573kara.cpp | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/src/mame/machine/k573kara.cpp b/src/mame/machine/k573kara.cpp new file mode 100644 index 00000000000..b2663f196f3 --- /dev/null +++ b/src/mame/machine/k573kara.cpp @@ -0,0 +1,166 @@ +// 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)); +} + +void k573kara_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) +{ +} + +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 ); +} |