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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
commit9144d4262505d62f83a45a8c1b97483cf678f207 (patch)
treea7064bc23c16387352638dca18fb05a9d49fbd0a
parent66ee995028a2711e2f9eb43e7a18486656bbfd0e (diff)
tricep: Talk to terminal serially through MC2661 (nw)
-rw-r--r--src/mame/drivers/tricep.cpp70
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 */