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Diffstat (limited to 'src/mame/drivers/h89.c')
-rw-r--r--src/mame/drivers/h89.c151
1 files changed, 151 insertions, 0 deletions
diff --git a/src/mame/drivers/h89.c b/src/mame/drivers/h89.c
new file mode 100644
index 00000000000..8ad90cede45
--- /dev/null
+++ b/src/mame/drivers/h89.c
@@ -0,0 +1,151 @@
+// license:BSD-3-Clause
+// copyright-holders:Sandro Ronco
+/***************************************************************************
+
+ Heathkit H89
+
+ 12/05/2009 Skeleton driver.
+
+ Monitor Commands:
+ B Boot
+ C Convert (number)
+ G Go (address)
+ I In (address)
+ O Out (address,data)
+ R Radix (H/O)
+ S Substitute (address)
+ T Test Memory
+ V View
+
+****************************************************************************/
+
+#include "bus/rs232/rs232.h"
+#include "cpu/z80/z80.h"
+#include "machine/ins8250.h"
+
+#define RS232_TAG "rs232"
+
+class h89_state : public driver_device
+{
+public:
+ h89_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, "maincpu")
+ {
+ }
+
+ required_device<cpu_device> m_maincpu;
+
+ DECLARE_WRITE8_MEMBER( port_f2_w );
+
+ UINT8 m_port_f2;
+ virtual void machine_reset();
+ TIMER_DEVICE_CALLBACK_MEMBER(h89_irq_timer);
+};
+
+
+static ADDRESS_MAP_START(h89_mem, AS_PROGRAM, 8, h89_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x0000, 0x1fff) AM_ROM
+ AM_RANGE(0x2000, 0xffff) AM_RAM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( h89_io, AS_IO, 8, h89_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+// AM_RANGE(0x78, 0x7b) expansion 1
+// AM_RANGE(0x7c, 0x7f) expansion 2
+// AM_RANGE(0xd0, 0xd7) 8250 UART DCE
+// AM_RANGE(0xd8, 0xdf) 8250 UART DTE
+// AM_RANGE(0xe0, 0xe7) 8250 UART LP
+ AM_RANGE(0xe8, 0xef) AM_DEVREADWRITE("ins8250", ins8250_device, ins8250_r, ins8250_w) // 8250 UART console
+// AM_RANGE(0xf0, 0xf1) front panel
+ AM_RANGE(0xf2, 0xf2) AM_WRITE(port_f2_w) AM_READ_PORT("SW501")
+// AM_RANGE(0xf8, 0xf9) cassette
+// AM_RANGE(0xfa, 0xff) serial I/O
+ADDRESS_MAP_END
+
+/* Input ports */
+static INPUT_PORTS_START( h89 )
+ PORT_START("SW501")
+ PORT_DIPNAME( 0x03, 0x00, "Expansion 1" ) PORT_DIPLOCATION("S1:1,S1:2")
+ PORT_DIPSETTING( 0x00, "H-88-1" )
+ PORT_DIPSETTING( 0x01, "H/Z-47" )
+ PORT_DIPSETTING( 0x02, "Z-67" )
+ PORT_DIPSETTING( 0x03, "Undefined" )
+ PORT_DIPNAME( 0x0c, 0x00, "Expansion 2" ) PORT_DIPLOCATION("S1:3,S1:4")
+ PORT_DIPSETTING( 0x00, "H-89-37" )
+ PORT_DIPSETTING( 0x04, "H/Z-47" )
+ PORT_DIPSETTING( 0x08, "Z-67" )
+ PORT_DIPSETTING( 0x0c, "Undefined" )
+ PORT_DIPNAME( 0x10, 0x00, "Boot from" ) PORT_DIPLOCATION("S1:5")
+ PORT_DIPSETTING( 0x00, "Expansion 1" )
+ PORT_DIPSETTING( 0x10, "Expansion 2" )
+ PORT_DIPNAME( 0x20, 0x20, "Perform memory test at start" ) PORT_DIPLOCATION("S1:6")
+ PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x40, 0x00, "Console Baud rate" ) PORT_DIPLOCATION("S1:7")
+ PORT_DIPSETTING( 0x00, "9600" )
+ PORT_DIPSETTING( 0x40, "19200" )
+ PORT_DIPNAME( 0x80, 0x00, "Boot mode" ) PORT_DIPLOCATION("S1:8")
+ PORT_DIPSETTING( 0x00, DEF_STR( Normal ) )
+ PORT_DIPSETTING( 0x80, "Auto" )
+INPUT_PORTS_END
+
+
+void h89_state::machine_reset()
+{
+}
+
+TIMER_DEVICE_CALLBACK_MEMBER(h89_state::h89_irq_timer)
+{
+ if (m_port_f2 & 0x02)
+ m_maincpu->set_input_line_and_vector(0, HOLD_LINE, 0xcf);
+}
+
+WRITE8_MEMBER( h89_state::port_f2_w )
+{
+ m_port_f2 = data;
+}
+
+static DEVICE_INPUT_DEFAULTS_START( terminal )
+ DEVICE_INPUT_DEFAULTS( "RS232_TXBAUD", 0xff, RS232_BAUD_9600 )
+ DEVICE_INPUT_DEFAULTS( "RS232_RXBAUD", 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
+
+
+static MACHINE_CONFIG_START( h89, h89_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu",Z80, XTAL_12_288MHz / 6)
+ MCFG_CPU_PROGRAM_MAP(h89_mem)
+ MCFG_CPU_IO_MAP(h89_io)
+
+ MCFG_DEVICE_ADD( "ins8250", INS8250, XTAL_1_8432MHz )
+ MCFG_INS8250_OUT_TX_CB(DEVWRITELINE(RS232_TAG, rs232_port_device, write_txd))
+
+ MCFG_RS232_PORT_ADD(RS232_TAG, default_rs232_devices, "terminal")
+ MCFG_RS232_RXD_HANDLER(DEVWRITELINE("ins8250", ins8250_uart_device, rx_w))
+ MCFG_DEVICE_CARD_DEVICE_INPUT_DEFAULTS("terminal", terminal)
+
+ MCFG_TIMER_DRIVER_ADD_PERIODIC("irq_timer", h89_state, h89_irq_timer, attotime::from_hz(100))
+MACHINE_CONFIG_END
+
+/* ROM definition */
+ROM_START( h89 )
+ ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
+ ROM_LOAD( "2732_444-142_mtr90.rom", 0x0000, 0x1000, CRC(c4ff47c5) SHA1(d6f3d71ff270a663003ec18a3ed1fa49f627123a))
+ ROM_LOAD( "2716_444-19_h17.rom", 0x1800, 0x0800, CRC(26e80ae3) SHA1(0c0ee95d7cb1a760f924769e10c0db1678f2435c))
+
+ ROM_REGION( 0x10000, "otherroms", ROMREGION_ERASEFF )
+ ROM_LOAD( "2732_444-84_mtr84.rom", 0x0000, 0x1000, CRC(c98e5f4c) SHA1(03347206dca145ff69ca08435db822b70ce106af))
+ ROM_LOAD( "2732_mms84a_magnoliamms.bin", 0x0000, 0x1000, CRC(5563f42a) SHA1(1b74cafca8213d5c083f16d8a848933ab56eb43b))
+ROM_END
+
+/* Driver */
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
+COMP( 1979, h89, 0, 0, h89, h89, driver_device, 0, "Heath Inc", "Heathkit H89", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)