Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-23 00:39:36 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

tricep: Talk to terminal serially through MC2661 (nw)

Browse Source
This commit is contained in:
AJR 2018-03-25 23:19:31 -04:00
parent 66ee995028
commit 9144d42625
1 changed files with 48 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

70
src/mame/drivers/tricep.cpp
View File

@ -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();
m_mux = 0;
}
void tricep_state::kbd_put(u8 data)
{
}
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 */