diff options
author | AJR <ajrhacker@users.noreply.github.com> | 2018-03-25 23:19:31 -0400 |
---|---|---|
committer | AJR <ajrhacker@users.noreply.github.com> | 2018-03-25 23:20:31 -0400 |
commit | 9144d4262505d62f83a45a8c1b97483cf678f207 (patch) | |
tree | a7064bc23c16387352638dca18fb05a9d49fbd0a | |
parent | 66ee995028a2711e2f9eb43e7a18486656bbfd0e (diff) |
tricep: Talk to terminal serially through MC2661 (nw)
-rw-r--r-- | src/mame/drivers/tricep.cpp | 70 |
1 files changed, 48 insertions, 22 deletions
diff --git a/src/mame/drivers/tricep.cpp b/src/mame/drivers/tricep.cpp index 87f4de064ec..cf930c2b39b 100644 --- a/src/mame/drivers/tricep.cpp +++ b/src/mame/drivers/tricep.cpp @@ -9,10 +9,9 @@ ****************************************************************************/ #include "emu.h" +#include "bus/rs232/rs232.h" #include "cpu/m68000/m68000.h" -#include "machine/terminal.h" - -#define TERMINAL_TAG "terminal" +#include "machine/mc2661.h" class tricep_state : public driver_device { @@ -20,35 +19,43 @@ public: tricep_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") - , m_terminal(*this, TERMINAL_TAG) + , m_pci(*this, "pci%u", 0) , m_p_ram(*this, "p_ram") { } - DECLARE_READ16_MEMBER(tricep_terminal_r); - DECLARE_WRITE16_MEMBER(tricep_terminal_w); - void kbd_put(u8 data); - void tricep(machine_config &config); - void tricep_mem(address_map &map); protected: + DECLARE_WRITE8_MEMBER(pci_mux_w); + DECLARE_READ8_MEMBER(pci_r); + DECLARE_WRITE8_MEMBER(pci_w); + + void tricep_mem(address_map &map); + virtual void machine_reset() override; required_device<cpu_device> m_maincpu; - required_device<generic_terminal_device> m_terminal; + required_device_array<mc2661_device, 4> m_pci; required_shared_ptr<uint16_t> m_p_ram; + + uint8_t m_mux; }; -READ16_MEMBER( tricep_state::tricep_terminal_r ) +WRITE8_MEMBER(tricep_state::pci_mux_w) { - return 0xffff; + m_mux = data & 3; } -WRITE16_MEMBER( tricep_state::tricep_terminal_w ) +READ8_MEMBER(tricep_state::pci_r) { - m_terminal->write(space, 0, data >> 8); + return m_pci[m_mux]->read(space, offset); +} + +WRITE8_MEMBER(tricep_state::pci_w) +{ + m_pci[m_mux]->write(space, offset, data); } void tricep_state::tricep_mem(address_map &map) @@ -56,7 +63,8 @@ void tricep_state::tricep_mem(address_map &map) map.unmap_value_high(); map(0x00000000, 0x0007ffff).ram().share("p_ram"); map(0x00fd0000, 0x00fd1fff).rom().region("user1", 0); - map(0x00ff0028, 0x00ff0029).rw(this, FUNC(tricep_state::tricep_terminal_r), FUNC(tricep_state::tricep_terminal_w)); + map(0x00ff0028, 0x00ff002b).rw(this, FUNC(tricep_state::pci_r), FUNC(tricep_state::pci_w)).umask16(0xffff); + map(0x00ff002f, 0x00ff002f).w(this, FUNC(tricep_state::pci_mux_w)); } /* Input ports */ @@ -71,20 +79,38 @@ void tricep_state::machine_reset() memcpy((uint8_t*)m_p_ram.target(),user1,0x2000); m_maincpu->reset(); -} -void tricep_state::kbd_put(u8 data) -{ + m_mux = 0; } +static DEVICE_INPUT_DEFAULTS_START( terminal ) + DEVICE_INPUT_DEFAULTS( "RS232_RXBAUD", 0xff, RS232_BAUD_9600 ) // FIXME: should be 19200 with SCN2661B + DEVICE_INPUT_DEFAULTS( "RS232_TXBAUD", 0xff, RS232_BAUD_9600 ) + DEVICE_INPUT_DEFAULTS( "RS232_STARTBITS", 0xff, RS232_STARTBITS_1 ) + DEVICE_INPUT_DEFAULTS( "RS232_DATABITS", 0xff, RS232_DATABITS_8 ) + DEVICE_INPUT_DEFAULTS( "RS232_PARITY", 0xff, RS232_PARITY_NONE ) + DEVICE_INPUT_DEFAULTS( "RS232_STOPBITS", 0xff, RS232_STOPBITS_1 ) +DEVICE_INPUT_DEFAULTS_END + MACHINE_CONFIG_START(tricep_state::tricep) - /* basic machine hardware */ MCFG_CPU_ADD("maincpu", M68000, XTAL(8'000'000)) MCFG_CPU_PROGRAM_MAP(tricep_mem) - /* video hardware */ - MCFG_DEVICE_ADD(TERMINAL_TAG, GENERIC_TERMINAL, 0) - MCFG_GENERIC_TERMINAL_KEYBOARD_CB(PUT(tricep_state, kbd_put)) + MCFG_DEVICE_ADD("pci0", MC2661, 4915200) + MCFG_MC2661_TXD_HANDLER(DEVWRITELINE("rs232", rs232_port_device, write_txd)) + MCFG_MC2661_RTS_HANDLER(DEVWRITELINE("rs232", rs232_port_device, write_rts)) + MCFG_MC2661_DTR_HANDLER(DEVWRITELINE("rs232", rs232_port_device, write_dtr)) + + MCFG_DEVICE_ADD("pci1", MC2661, 4915200) + MCFG_DEVICE_ADD("pci2", MC2661, 4915200) + MCFG_DEVICE_ADD("pci3", MC2661, 4915200) + + MCFG_RS232_PORT_ADD("rs232", default_rs232_devices, "terminal") + MCFG_RS232_RXD_HANDLER(DEVWRITELINE("pci0", mc2661_device, rx_w)) + MCFG_RS232_DSR_HANDLER(DEVWRITELINE("pci0", mc2661_device, dsr_w)) + MCFG_RS232_DCD_HANDLER(DEVWRITELINE("pci0", mc2661_device, dcd_w)) + MCFG_RS232_CTS_HANDLER(DEVWRITELINE("pci0", mc2661_device, cts_w)) + MCFG_DEVICE_CARD_DEVICE_INPUT_DEFAULTS("terminal", terminal) MACHINE_CONFIG_END /* ROM definition */ |