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-rw-r--r--src/mame/drivers/dms86.c131
1 files changed, 131 insertions, 0 deletions
diff --git a/src/mame/drivers/dms86.c b/src/mame/drivers/dms86.c
new file mode 100644
index 00000000000..c1927ec631f
--- /dev/null
+++ b/src/mame/drivers/dms86.c
@@ -0,0 +1,131 @@
+// license:BSD-3-Clause
+// copyright-holders:Robbbert
+/***************************************************************************
+
+ Digital Microsystems DMS-86
+
+ 11/01/2010 Skeleton driver.
+
+Monitor commands:
+A
+B boot to HiNet
+D dump memory to screen
+I in port
+L memory test
+O out port (e.g. O 84 77)
+P
+S write a byte to memory
+T
+X display registers
+
+
+Note that bit 3 of port 82 is tested at boot. If low, the computer bypasses
+the monitor and goes straight to "Joining HiNet".
+
+****************************************************************************/
+
+#include "emu.h"
+#include "cpu/i86/i86.h"
+#include "machine/terminal.h"
+
+#define TERMINAL_TAG "terminal"
+
+class dms86_state : public driver_device
+{
+public:
+ dms86_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)
+ {
+ }
+
+ required_device<cpu_device> m_maincpu;
+ required_device<generic_terminal_device> m_terminal;
+ DECLARE_READ16_MEMBER( dms86_82_r );
+ DECLARE_READ16_MEMBER( dms86_84_r );
+ DECLARE_READ16_MEMBER( dms86_86_r );
+ DECLARE_READ16_MEMBER( dms86_9a_r );
+ DECLARE_WRITE8_MEMBER( kbd_put );
+ UINT8 *m_ram;
+ UINT8 m_term_data;
+ virtual void machine_reset();
+};
+
+READ16_MEMBER( dms86_state::dms86_82_r )
+{
+// HiNet / Monitor switch
+
+ return 0xff;
+}
+
+READ16_MEMBER( dms86_state::dms86_84_r )
+{
+ UINT8 ret = m_term_data;
+ m_term_data = 0;
+ return ret;
+}
+
+READ16_MEMBER( dms86_state::dms86_86_r )
+{
+ return 4 | (m_term_data ? 1 : 0);
+}
+
+READ16_MEMBER( dms86_state::dms86_9a_r )
+{
+ return 0;
+}
+
+
+static ADDRESS_MAP_START(dms86_mem, AS_PROGRAM, 16, dms86_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x00000, 0x1ffff) AM_RAM
+ AM_RANGE(0xfe000, 0xfffff) AM_ROM AM_REGION("user1",0)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(dms86_io, AS_IO, 16, dms86_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x82, 0x83) AM_READ(dms86_82_r)
+ AM_RANGE(0x84, 0x85) AM_READ(dms86_84_r) AM_DEVWRITE8(TERMINAL_TAG, generic_terminal_device, write, 0xff)
+ AM_RANGE(0x86, 0x87) AM_READ(dms86_86_r)
+ AM_RANGE(0x9A, 0x9B) AM_READ(dms86_9a_r)
+ AM_RANGE(0x9c, 0x9d) AM_DEVWRITE8(TERMINAL_TAG, generic_terminal_device, write, 0xff)
+ADDRESS_MAP_END
+
+/* Input ports */
+static INPUT_PORTS_START( dms86 )
+INPUT_PORTS_END
+
+
+void dms86_state::machine_reset()
+{
+}
+
+WRITE8_MEMBER( dms86_state::kbd_put )
+{
+ m_term_data = data;
+}
+
+static MACHINE_CONFIG_START( dms86, dms86_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu",I8086, XTAL_9_8304MHz)
+ MCFG_CPU_PROGRAM_MAP(dms86_mem)
+ MCFG_CPU_IO_MAP(dms86_io)
+
+
+ MCFG_DEVICE_ADD(TERMINAL_TAG, GENERIC_TERMINAL, 0)
+ MCFG_GENERIC_TERMINAL_KEYBOARD_CB(WRITE8(dms86_state, kbd_put))
+MACHINE_CONFIG_END
+
+/* ROM definition */
+ROM_START( dms86 )
+ ROM_REGION( 0x2000, "user1", ROMREGION_ERASEFF )
+ ROM_LOAD16_BYTE( "hns-86_54-8678.bin", 0x0000, 0x1000, CRC(95f58e1c) SHA1(6fc8f087f0c887d8b429612cd035c6c1faab570c))
+ ROM_LOAD16_BYTE( "hns-86_54-8677.bin", 0x0001, 0x1000, CRC(78fad756) SHA1(ddcbff1569ec6975b8489935cdcfa80eba413502))
+ROM_END
+
+/* Driver */
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
+COMP( 1982, dms86, 0, 0, dms86, dms86, driver_device, 0, "Digital Microsystems", "DMS-86", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)