diff options
author | 2017-12-01 12:47:10 -0500 | |
---|---|---|
committer | 2017-12-01 12:47:10 -0500 | |
commit | e3f1973246d549cefbd041fbbd51d0f941ad39a7 (patch) | |
tree | 99095a66e372a6d8cb1c79fffeab001c331b1f81 /src/devices/bus/ss50/mps.cpp | |
parent | 81cee86b3527449ed7deb6c79d92a38ecdae1652 (diff) |
ss50/mps: Add jumpers (nw)
Diffstat (limited to 'src/devices/bus/ss50/mps.cpp')
-rw-r--r-- | src/devices/bus/ss50/mps.cpp | 91 |
1 files changed, 85 insertions, 6 deletions
diff --git a/src/devices/bus/ss50/mps.cpp b/src/devices/bus/ss50/mps.cpp index 89809166274..11b9051063d 100644 --- a/src/devices/bus/ss50/mps.cpp +++ b/src/devices/bus/ss50/mps.cpp @@ -4,8 +4,6 @@ SWTPC MP-S Serial Interface - TODO: Add baud rate selection switch - **********************************************************************/ #include "emu.h" @@ -28,25 +26,62 @@ public: ss50_mps_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) : device_t(mconfig, SS50_MPS, tag, owner, clock), ss50_card_interface(mconfig, *this), - m_acia(*this, "acia") + m_acia(*this, "acia"), + m_irq_jumper(*this, "IRQ"), + m_rate_jumper(*this, "BAUD") { } protected: // device-specific overrides + virtual ioport_constructor device_input_ports() const override; virtual void device_add_mconfig(machine_config &config) override; virtual void device_start() override { } // interface-specific overrides virtual DECLARE_READ8_MEMBER(register_read) override; virtual DECLARE_WRITE8_MEMBER(register_write) override; + virtual DECLARE_WRITE_LINE_MEMBER(f110_w) override; + virtual DECLARE_WRITE_LINE_MEMBER(f150_9600_w) override; + virtual DECLARE_WRITE_LINE_MEMBER(f300_w) override; + virtual DECLARE_WRITE_LINE_MEMBER(f600_4800_w) override; virtual DECLARE_WRITE_LINE_MEMBER(f600_1200_w) override; private: + DECLARE_WRITE_LINE_MEMBER(acia_irq_w); + required_device<acia6850_device> m_acia; + required_ioport m_irq_jumper; + required_ioport m_rate_jumper; }; +static INPUT_PORTS_START( mps ) + PORT_START("IRQ") + PORT_DIPNAME(1, 0, "IRQ") + PORT_DIPSETTING(1, DEF_STR(Off)) + PORT_DIPSETTING(0, DEF_STR(On)) + + PORT_START("BAUD") + PORT_DIPNAME(0x1f, 0x0f, "Baud Rate") + PORT_DIPSETTING(0x1e, "110") + PORT_DIPSETTING(0x1d, "150") + PORT_DIPSETTING(0x1b, "300") + PORT_DIPSETTING(0x17, "600") + PORT_DIPSETTING(0x0f, "1200") +INPUT_PORTS_END + + +//------------------------------------------------- +// input_ports - device-specific input ports +//------------------------------------------------- + +ioport_constructor ss50_mps_device::device_input_ports() const +{ + return INPUT_PORTS_NAME(mps); +} + + static DEVICE_INPUT_DEFAULTS_START( terminal ) DEVICE_INPUT_DEFAULTS("RS232_RXBAUD", 0xff, RS232_BAUD_1200) DEVICE_INPUT_DEFAULTS("RS232_TXBAUD", 0xff, RS232_BAUD_1200) @@ -66,7 +101,7 @@ MACHINE_CONFIG_MEMBER(ss50_mps_device::device_add_mconfig) MCFG_DEVICE_ADD("acia", ACIA6850, 0) MCFG_ACIA6850_TXD_HANDLER(DEVWRITELINE("rs232", rs232_port_device, write_txd)) //MCFG_ACIA6850_RTS_HANDLER(WRITELINE(ss50_mps_device, reader_control_w)) - //MCFG_ACIA6850_IRQ_HANDLER(WRITELINE(ss50_mps_device, write_irq)) + MCFG_ACIA6850_IRQ_HANDLER(WRITELINE(ss50_mps_device, acia_irq_w)) MCFG_RS232_PORT_ADD("rs232", default_rs232_devices, "terminal") MCFG_RS232_RXD_HANDLER(DEVWRITELINE("acia", acia6850_device, write_rxd)) @@ -92,11 +127,55 @@ WRITE8_MEMBER(ss50_mps_device::register_write) m_acia->write(space, offset & 1, data); } +WRITE_LINE_MEMBER(ss50_mps_device::f110_w) +{ + if (!BIT(m_rate_jumper->read(), 0)) + { + m_acia->write_txc(state); + m_acia->write_rxc(state); + } +} + +WRITE_LINE_MEMBER(ss50_mps_device::f150_9600_w) +{ + if (!BIT(m_rate_jumper->read(), 1)) + { + m_acia->write_txc(state); + m_acia->write_rxc(state); + } +} + +WRITE_LINE_MEMBER(ss50_mps_device::f300_w) +{ + if (!BIT(m_rate_jumper->read(), 2)) + { + m_acia->write_txc(state); + m_acia->write_rxc(state); + } +} + +WRITE_LINE_MEMBER(ss50_mps_device::f600_4800_w) +{ + if (!BIT(m_rate_jumper->read(), 3)) + { + m_acia->write_txc(state); + m_acia->write_rxc(state); + } +} WRITE_LINE_MEMBER(ss50_mps_device::f600_1200_w) { - m_acia->write_txc(state); - m_acia->write_rxc(state); + if (!BIT(m_rate_jumper->read(), 4)) + { + m_acia->write_txc(state); + m_acia->write_rxc(state); + } +} + +WRITE_LINE_MEMBER(ss50_mps_device::acia_irq_w) +{ + if (!m_irq_jumper->read()) + write_irq(state); } |