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Diffstat (limited to 'src/mame/drivers/mccpm.cpp')
-rw-r--r--src/mame/drivers/mccpm.cpp100
1 files changed, 80 insertions, 20 deletions
diff --git a/src/mame/drivers/mccpm.cpp b/src/mame/drivers/mccpm.cpp
index 4879fc6f3cc..4929661b792 100644
--- a/src/mame/drivers/mccpm.cpp
+++ b/src/mame/drivers/mccpm.cpp
@@ -30,7 +30,7 @@ No software to test with, so we'll never know if the FDC works.
#include "cpu/z80/z80.h"
#include "machine/z80pio.h"
#include "machine/z80sio.h"
-#include "machine/clock.h"
+#include "machine/f4702.h"
#include "machine/bankdev.h"
#include "machine/wd_fdc.h"
#include "bus/rs232/rs232.h"
@@ -44,13 +44,17 @@ public:
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_bank(*this, "bankdev_map")
- , m_fdc (*this, "fdc")
- , m_floppy0(*this, "fdc:0")
- , m_floppy1(*this, "fdc:1")
+ , m_fdc(*this, "fdc")
+ , m_fdd(*this, "fdc:%u", 0U)
+ , m_brg(*this, "brg%u", 1U)
{ }
void mccpm(machine_config &config);
+protected:
+ virtual void machine_reset() override;
+ virtual void machine_start() override;
+
private:
void io_map(address_map &map);
void mem_map(address_map &map);
@@ -58,15 +62,16 @@ private:
void port44_w(u8);
u8 port44_r();
void fdc_irq(bool);
+ template <int N> void bd_q_w(offs_t offset, u8 data);
+
u8 m_fdc_status;
floppy_image_device *m_floppy;
- void machine_reset() override;
- void machine_start() override;
+
required_device<cpu_device> m_maincpu;
required_device<address_map_bank_device> m_bank;
required_device<fd1797_device> m_fdc;
- required_device<floppy_connector> m_floppy0;
- required_device<floppy_connector> m_floppy1;
+ required_device_array<floppy_connector, 2> m_fdd;
+ required_device_array<f4702_device, 2> m_brg;
};
@@ -97,16 +102,49 @@ void mccpm_state::io_map(address_map &map)
/* Input ports */
static INPUT_PORTS_START( mccpm )
+ PORT_START("BAUD1")
+ PORT_DIPNAME(0xf, 0x8, "Baud Rate B (Printer)") PORT_DIPLOCATION("S:5,6,7,8")
+ PORT_DIPSETTING(0x2, "50")
+ PORT_DIPSETTING(0x3, "75")
+ PORT_DIPSETTING(0xf, "110")
+ PORT_DIPSETTING(0x4, "134.5")
+ PORT_DIPSETTING(0xe, "150")
+ PORT_DIPSETTING(0x5, "200")
+ PORT_DIPSETTING(0xd, "300")
+ PORT_DIPSETTING(0x6, "600")
+ PORT_DIPSETTING(0xb, "1200")
+ PORT_DIPSETTING(0xa, "1800")
+ PORT_DIPSETTING(0x7, "2400")
+ PORT_DIPSETTING(0x9, "4800")
+ PORT_DIPSETTING(0x8, "9600")
+ PORT_DIPSETTING(0x0, "19200")
+
+ PORT_START("BAUD2")
+ PORT_DIPNAME(0xf, 0x8, "Baud Rate A (Terminal)") PORT_DIPLOCATION("S:1,2,3,4")
+ PORT_DIPSETTING(0x2, "50")
+ PORT_DIPSETTING(0x3, "75")
+ PORT_DIPSETTING(0xf, "110")
+ PORT_DIPSETTING(0x4, "134.5")
+ PORT_DIPSETTING(0xe, "150")
+ PORT_DIPSETTING(0x5, "200")
+ PORT_DIPSETTING(0xd, "300")
+ PORT_DIPSETTING(0x6, "600")
+ PORT_DIPSETTING(0xb, "1200")
+ PORT_DIPSETTING(0xa, "1800")
+ PORT_DIPSETTING(0x7, "2400")
+ PORT_DIPSETTING(0x9, "4800")
+ PORT_DIPSETTING(0x8, "9600")
+ PORT_DIPSETTING(0x0, "19200")
INPUT_PORTS_END
void mccpm_state::port44_w(u8 data)
{
m_floppy = nullptr;
if (BIT(data, 1))
- m_floppy = m_floppy1->get_device();
+ m_floppy = m_fdd[1]->get_device();
else
if (BIT(data, 0))
- m_floppy = m_floppy0->get_device();
+ m_floppy = m_fdd[0]->get_device();
m_fdc->set_floppy(m_floppy);
@@ -136,6 +174,12 @@ void mccpm_state::fdc_irq(bool state)
m_maincpu->set_input_line(0, state ? ASSERT_LINE : CLEAR_LINE);
}
+template <int N> void mccpm_state::bd_q_w(offs_t offset, u8 data)
+{
+ // "19200 extern" obtained by connecting Q2 to Im
+ m_brg[N]->im_w(BIT(offset, 2));
+}
+
void mccpm_state::machine_reset()
{
m_bank->set_bank(0);
@@ -168,20 +212,36 @@ void mccpm_state::mccpm(machine_config &config)
/* Devices */
// clock supplied by pair of HD4702 baud rate generators
- clock_device &uart_clock(CLOCK(config, "uart_clock", 153'600));
- uart_clock.signal_handler().set("sio", FUNC(z80sio_device::txca_w));
- uart_clock.signal_handler().append("sio", FUNC(z80sio_device::rxca_w));
+ F4702(config, m_brg[0], 2.4576_MHz_XTAL);
+ m_brg[0]->s_callback().set_ioport("BAUD1");
+ m_brg[0]->z_callback().set("sio", FUNC(z80sio_device::rxtxcb_w));
+ m_brg[0]->z_callback().append(FUNC(mccpm_state::bd_q_w<0>));
+
+ F4702(config, m_brg[1], 2.4576_MHz_XTAL);
+ m_brg[1]->s_callback().set_ioport("BAUD2");
+ m_brg[1]->z_callback().set("sio", FUNC(z80sio_device::txca_w));
+ m_brg[1]->z_callback().append("sio", FUNC(z80sio_device::rxca_w));
+ m_brg[1]->z_callback().append(FUNC(mccpm_state::bd_q_w<1>));
// Ch A: terminal; Ch B: printer
z80sio_device& sio(Z80SIO(config, "sio", XTAL(4'000'000)));
sio.out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
- sio.out_txda_callback().set("rs232", FUNC(rs232_port_device::write_txd));
- sio.out_dtra_callback().set("rs232", FUNC(rs232_port_device::write_dtr));
- sio.out_rtsa_callback().set("rs232", FUNC(rs232_port_device::write_rts));
-
- rs232_port_device &rs232(RS232_PORT(config, "rs232", default_rs232_devices, "terminal"));
- rs232.rxd_handler().set("sio", FUNC(z80sio_device::rxa_w));
- rs232.cts_handler().set("sio", FUNC(z80sio_device::ctsa_w));
+ sio.out_txda_callback().set("rs232a", FUNC(rs232_port_device::write_txd));
+ sio.out_dtra_callback().set("rs232a", FUNC(rs232_port_device::write_dtr));
+ sio.out_rtsa_callback().set("rs232a", FUNC(rs232_port_device::write_rts));
+ sio.out_txdb_callback().set("rs232b", FUNC(rs232_port_device::write_txd));
+ sio.out_dtrb_callback().set("rs232b", FUNC(rs232_port_device::write_dtr));
+ sio.out_rtsb_callback().set("rs232b", FUNC(rs232_port_device::write_rts));
+
+ rs232_port_device &rs232a(RS232_PORT(config, "rs232a", default_rs232_devices, "terminal"));
+ rs232a.rxd_handler().set("sio", FUNC(z80sio_device::rxa_w));
+ rs232a.cts_handler().set("sio", FUNC(z80sio_device::ctsa_w));
+ rs232a.dcd_handler().set("sio", FUNC(z80sio_device::dcda_w));
+
+ rs232_port_device &rs232b(RS232_PORT(config, "rs232b", default_rs232_devices, nullptr));
+ rs232b.rxd_handler().set("sio", FUNC(z80sio_device::rxb_w));
+ rs232b.cts_handler().set("sio", FUNC(z80sio_device::ctsb_w));
+ rs232b.dcd_handler().set("sio", FUNC(z80sio_device::dcdb_w));
Z80PIO(config, "pio", XTAL(4'000'000));