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author Robbbert <robbbert@users.noreply.github.com>2013-09-02 11:23:35 +0000
committer Robbbert <robbbert@users.noreply.github.com>2013-09-02 11:23:35 +0000
commitc7a25b17fc6a83fd7a4061612df8012822586385 (patch)
treed0210c2b0c66b03832375b99fe66d1819abc4b64 /src/mess/drivers/ampro.c
parentc690b478d9677ee1931e111ebc1eafca6da5ee7f (diff)
(MESS) New skeleton [Robbbert]
------------------------------------------------- Ampro Little Z80 Board
Diffstat (limited to 'src/mess/drivers/ampro.c')
-rw-r--r--src/mess/drivers/ampro.c145
1 files changed, 145 insertions, 0 deletions
diff --git a/src/mess/drivers/ampro.c b/src/mess/drivers/ampro.c
new file mode 100644
index 00000000000..b3bf0a4b24b
--- /dev/null
+++ b/src/mess/drivers/ampro.c
@@ -0,0 +1,145 @@
+/***************************************************************************
+
+Ampro Little Z80 Board
+
+2013-09-02 Skeleton driver.
+
+Chips: Z80A @4MHz, Z80CTC, Z80DART, WD1770/2, NCR5380. Crystal: 16 MHz
+
+This is a complete CP/M single-board computer that could be mounted
+on top of a standard 13cm floppy drive. You needed to supply your own
+power supply and serial terminal.
+
+The later versions included a SCSI chip (NCR5380) enabling the use
+of a hard drive of up to 88MB.
+
+****************************************************************************/
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "cpu/z80/z80daisy.h"
+#include "machine/z80ctc.h"
+#include "machine/z80dart.h"
+#include "machine/terminal.h"
+//#include "machine/serial.h"
+#include "machine/wd_fdc.h"
+
+
+class ampro_state : public driver_device
+{
+public:
+ ampro_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)
+ { }
+
+ DECLARE_DRIVER_INIT(ampro);
+ DECLARE_MACHINE_RESET(ampro);
+ DECLARE_READ8_MEMBER( ampro_20_r );
+ DECLARE_READ8_MEMBER( ampro_25_r );
+ DECLARE_READ8_MEMBER( ampro_26_r );
+ DECLARE_WRITE8_MEMBER( ampro_20_w );
+ DECLARE_WRITE8_MEMBER(kbd_put);
+private:
+ UINT8 m_term_data;
+ required_device<cpu_device> m_maincpu;
+ required_device<generic_terminal_device> m_terminal;
+};
+
+READ8_MEMBER( ampro_state::ampro_20_r )
+{
+ UINT8 ret = m_term_data;
+ m_term_data = 0;
+ return ret;
+}
+
+READ8_MEMBER( ampro_state::ampro_25_r )
+{
+ return (m_term_data) ? 0x21 : 0x20;
+}
+
+READ8_MEMBER( ampro_state::ampro_26_r )
+{
+ return 0;
+}
+
+WRITE8_MEMBER( ampro_state::ampro_20_w )
+{
+ m_terminal->write(space, 0, data & 0x7f);
+}
+
+static ADDRESS_MAP_START(ampro_mem, AS_PROGRAM, 8, ampro_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x0000, 0x0fff) AM_READ_BANK("bankr0") AM_WRITE_BANK("bankw0")
+ AM_RANGE(0x1000, 0xffff) AM_RAM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(ampro_io, AS_IO, 8, ampro_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ADDRESS_MAP_END
+
+static const z80_daisy_config daisy_chain_intf[] =
+{
+ { "z80ctc" },
+ { "z80dart" },
+ { NULL }
+};
+
+/* Input ports */
+static INPUT_PORTS_START( ampro )
+INPUT_PORTS_END
+
+WRITE8_MEMBER( ampro_state::kbd_put )
+{
+ m_term_data = data;
+}
+
+static GENERIC_TERMINAL_INTERFACE( terminal_intf )
+{
+ DEVCB_DRIVER_MEMBER(ampro_state, kbd_put)
+};
+
+MACHINE_RESET_MEMBER( ampro_state, ampro )
+{
+ membank("bankr0")->set_entry(1); // point at rom
+ membank("bankw0")->set_entry(0); // always write to ram
+}
+
+DRIVER_INIT_MEMBER( ampro_state, ampro )
+{
+ UINT8 *main = memregion("maincpu")->base();
+
+ membank("bankr0")->configure_entry(0, &main[0x0000]);
+ membank("bankr0")->configure_entry(1, &main[0x10000]);
+ membank("bankw0")->configure_entry(0, &main[0x0000]);
+}
+
+static MACHINE_CONFIG_START( ampro, ampro_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz)
+ MCFG_CPU_PROGRAM_MAP(ampro_mem)
+ MCFG_CPU_IO_MAP(ampro_io)
+ MCFG_CPU_CONFIG(daisy_chain_intf)
+ MCFG_MACHINE_RESET_OVERRIDE(ampro_state, ampro)
+
+ /* video hardware */
+ MCFG_GENERIC_TERMINAL_ADD(TERMINAL_TAG, terminal_intf)
+MACHINE_CONFIG_END
+
+/* ROM definition */
+ROM_START( ampro )
+ ROM_REGION( 0x11000, "maincpu", ROMREGION_ERASEFF )
+ ROM_SYSTEM_BIOS( 0, "boot", "Boot")
+ ROMX_LOAD( "boot", 0x10000, 0x1000, CRC(b3524046) SHA1(5466f7d28c1a04cfbf328095cb35ad1525e91f44), ROM_BIOS(1))
+ ROM_SYSTEM_BIOS( 1, "mntr", "Monitor")
+ ROMX_LOAD( "mntr", 0x10000, 0x1000, CRC(d59d0909) SHA1(936410f414b1e71445253840eea0045545e4ff0b), ROM_BIOS(2))
+ ROM_SYSTEM_BIOS( 2, "scsi", "SCSI Boot")
+ ROMX_LOAD( "scsi", 0x10000, 0x1000, CRC(8eb20e5d) SHA1(0ab1ff65cf6d3c1a713a8ac5c1ee4c662ac3da0c), ROM_BIOS(3))
+ROM_END
+
+/* Driver */
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
+COMP( 1980, ampro, 0, 0, ampro, ampro, ampro_state, ampro, "Ampro", "Little Z80 Board", GAME_NOT_WORKING | GAME_NO_SOUND_HW)