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-rw-r--r--src/mess/drivers/microdec.c151
1 files changed, 151 insertions, 0 deletions
diff --git a/src/mess/drivers/microdec.c b/src/mess/drivers/microdec.c
new file mode 100644
index 00000000000..d63b9c834b3
--- /dev/null
+++ b/src/mess/drivers/microdec.c
@@ -0,0 +1,151 @@
+/***************************************************************************
+
+ Morrow Designs Micro Decision
+
+ 10/12/2009 Skeleton driver.
+
+****************************************************************************/
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "machine/upd765.h"
+#include "imagedev/flopdrv.h"
+#include "machine/terminal.h"
+
+
+class microdec_state : public driver_device
+{
+public:
+ microdec_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_terminal(*this, TERMINAL_TAG) { }
+
+ DECLARE_READ8_MEMBER(terminal_status_r);
+ DECLARE_READ8_MEMBER(terminal_r);
+ DECLARE_WRITE8_MEMBER(kbd_put);
+ DECLARE_WRITE_LINE_MEMBER(microdec_irq_w);
+ UINT8 m_term_data;
+
+ required_device<generic_terminal_device> m_terminal;
+};
+
+
+READ8_MEMBER( microdec_state::terminal_status_r )
+{
+ return (m_term_data) ? 3 : 1;
+}
+
+READ8_MEMBER( microdec_state::terminal_r )
+{
+ UINT8 ret = m_term_data;
+ m_term_data = 0;
+ return ret;
+}
+
+static ADDRESS_MAP_START(microdec_mem, AS_PROGRAM, 8, microdec_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE( 0x0000, 0x0fff ) AM_ROM
+ AM_RANGE( 0x1000, 0xffff ) AM_RAM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(microdec_io, AS_IO, 8, microdec_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0xfa, 0xfa) AM_DEVREAD_LEGACY("upd765", upd765_status_r)
+ AM_RANGE(0xfb, 0xfb) AM_DEVREADWRITE_LEGACY("upd765", upd765_data_r, upd765_data_w)
+ AM_RANGE(0xfc, 0xfc) AM_READ(terminal_r) AM_DEVWRITE(TERMINAL_TAG, generic_terminal_device, write)
+ AM_RANGE(0xfd, 0xfd) AM_READ(terminal_status_r)
+ADDRESS_MAP_END
+
+/* Input ports */
+static INPUT_PORTS_START( microdec )
+INPUT_PORTS_END
+
+
+static MACHINE_RESET(microdec)
+{
+ microdec_state *state = machine.driver_data<microdec_state>();
+ state->m_term_data = 0;
+}
+
+WRITE8_MEMBER( microdec_state::kbd_put )
+{
+ m_term_data = data;
+}
+
+static GENERIC_TERMINAL_INTERFACE( terminal_intf )
+{
+ DEVCB_DRIVER_MEMBER(microdec_state, kbd_put)
+};
+
+WRITE_LINE_MEMBER( microdec_state::microdec_irq_w )
+{
+}
+
+static const struct upd765_interface microdec_upd765_interface =
+{
+ DEVCB_DRIVER_LINE_MEMBER(microdec_state, microdec_irq_w), /* interrupt */
+ DEVCB_NULL, /* DMA request */
+ NULL, /* image lookup */
+ UPD765_RDY_PIN_CONNECTED, /* ready pin */
+ {FLOPPY_0,FLOPPY_1, NULL, NULL}
+};
+
+static const floppy_interface microdec_floppy_interface =
+{
+ DEVCB_NULL,
+ DEVCB_NULL,
+ DEVCB_NULL,
+ DEVCB_NULL,
+ DEVCB_NULL,
+ FLOPPY_STANDARD_5_25_DSHD,
+ LEGACY_FLOPPY_OPTIONS_NAME(default),
+ NULL,
+ NULL
+};
+
+static MACHINE_CONFIG_START( microdec, microdec_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz)
+ MCFG_CPU_PROGRAM_MAP(microdec_mem)
+ MCFG_CPU_IO_MAP(microdec_io)
+
+ MCFG_MACHINE_RESET(microdec)
+
+ /* video hardware */
+ MCFG_GENERIC_TERMINAL_ADD(TERMINAL_TAG, terminal_intf)
+
+ MCFG_UPD765A_ADD("upd765", microdec_upd765_interface)
+ MCFG_LEGACY_FLOPPY_2_DRIVES_ADD(microdec_floppy_interface)
+MACHINE_CONFIG_END
+
+/* ROM definition */
+ROM_START( md2 )
+ ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
+ ROM_SYSTEM_BIOS( 0, "v13", "v1.3" )
+ ROMX_LOAD( "md2-13.bin", 0x0000, 0x0800, CRC(43f4c9ab) SHA1(48a35cbee4f341310e9cba5178c3fd6e74ef9748), ROM_BIOS(1))
+ ROM_SYSTEM_BIOS( 1, "v13a", "v1.3a" )
+ ROMX_LOAD( "md2-13a.bin", 0x0000, 0x0800, CRC(d7fcddfd) SHA1(cae29232b737ebb36a27b8ad17bc69e9968f1309), ROM_BIOS(2))
+ ROM_SYSTEM_BIOS( 2, "v13b", "v1.3b" )
+ ROMX_LOAD( "md2-13b.bin", 0x0000, 0x1000, CRC(a8b96835) SHA1(c6b111939aa7e725da507da1915604656540b24e), ROM_BIOS(3))
+ ROM_SYSTEM_BIOS( 3, "v20", "v2.0" )
+ ROMX_LOAD( "md2-20.bin", 0x0000, 0x1000, CRC(a604735c) SHA1(db6e6e82a803f5cbf4f628f5778a93ae3e211fe1), ROM_BIOS(4))
+ ROM_SYSTEM_BIOS( 4, "v23", "v2.3" )
+ ROMX_LOAD( "md2-23.bin", 0x0000, 0x1000, CRC(49bae273) SHA1(00381a226fe250aa3636b0b740df0af63efb0d18), ROM_BIOS(5))
+ROM_END
+
+ROM_START( md3 )
+ ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
+ ROM_SYSTEM_BIOS( 0, "v23a", "v2.3a" )
+ ROMX_LOAD( "md3-23a.bin", 0x0000, 0x1000, CRC(95d59980) SHA1(ae65a8e8e2823cf4cf6b1d74c0996248e290e9f1), ROM_BIOS(1))
+ ROM_SYSTEM_BIOS( 1, "v25", "v2.5" )
+ ROMX_LOAD( "md3-25.bin", 0x0000, 0x1000, CRC(14f86bc5) SHA1(82fe022c85f678744bb0340ca3f88b18901fdfcb), ROM_BIOS(2))
+ ROM_SYSTEM_BIOS( 2, "v31", "v3.1" )
+ ROMX_LOAD( "md3-31.bin", 0x0000, 0x1000, CRC(bd4014f6) SHA1(5b33220af34c64676756177db4915f97840b2996), ROM_BIOS(3))
+ROM_END
+
+/* Driver */
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
+COMP( 1982, md2, 0, 0, microdec, microdec, driver_device, 0, "Morrow Designs", "Micro Decision MD-2",GAME_NOT_WORKING | GAME_NO_SOUND)
+COMP( 1982, md3, md2, 0, microdec, microdec, driver_device, 0, "Morrow Designs", "Micro Decision MD-3",GAME_NOT_WORKING | GAME_NO_SOUND)