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author Curt Coder <curtcoder@mail.com>2017-10-04 21:21:28 +0300
committer Curt Coder <curtcoder@mail.com>2017-10-04 21:21:37 +0300
commitfa612073a6d42889bc33fbd517b625617a345b1e (patch)
treeeb0a65295d49d3071241284c988bdbcfaff6e5ea
parent4e440057dce85475be4c237c1e1630940896b18a (diff)
abc800: Added skeleton for Databoard 4112-23 floppy disk controller. [Curt Coder]
-rw-r--r--scripts/src/bus.lua2
-rw-r--r--src/devices/bus/abcbus/abcbus.cpp3
-rw-r--r--src/devices/bus/abcbus/db411223.cpp208
-rw-r--r--src/devices/bus/abcbus/db411223.h60
4 files changed, 273 insertions, 0 deletions
diff --git a/scripts/src/bus.lua b/scripts/src/bus.lua
index 159d1cc7efe..21a6fb3802e 100644
--- a/scripts/src/bus.lua
+++ b/scripts/src/bus.lua
@@ -66,6 +66,8 @@ if (BUSES["ABCBUS"]~=null) then
MAME_DIR .. "src/devices/bus/abcbus/abcbus.h",
MAME_DIR .. "src/devices/bus/abcbus/abc890.cpp",
MAME_DIR .. "src/devices/bus/abcbus/abc890.h",
+ MAME_DIR .. "src/devices/bus/abcbus/db411223.cpp",
+ MAME_DIR .. "src/devices/bus/abcbus/db411223.h",
MAME_DIR .. "src/devices/bus/abcbus/fd2.cpp",
MAME_DIR .. "src/devices/bus/abcbus/fd2.h",
MAME_DIR .. "src/devices/bus/abcbus/hdc.cpp",
diff --git a/src/devices/bus/abcbus/abcbus.cpp b/src/devices/bus/abcbus/abcbus.cpp
index cf99539e142..ac707c4bdbb 100644
--- a/src/devices/bus/abcbus/abcbus.cpp
+++ b/src/devices/bus/abcbus/abcbus.cpp
@@ -80,6 +80,7 @@ void abcbus_slot_device::device_start()
// slot devices
#include "abc890.h"
+#include "db411223.h"
#include "fd2.h"
#include "hdc.h"
#include "lux10828.h"
@@ -106,6 +107,7 @@ SLOT_INTERFACE_START( abc80_cards )
SLOT_INTERFACE("16k", ABC80_16KB_RAM_CARD)
SLOT_INTERFACE("slow", LUXOR_55_10828)
SLOT_INTERFACE("abc830", ABC830)
+ SLOT_INTERFACE("db411223", DATABOARD_4112_23)
SLOT_INTERFACE("unidisk", UNIDISK)
SLOT_INTERFACE_END
@@ -125,6 +127,7 @@ SLOT_INTERFACE_START( abcbus_cards )
SLOT_INTERFACE("abc856", ABC856)
SLOT_INTERFACE("abc890", ABC890)
SLOT_INTERFACE("abc894", ABC894)
+ SLOT_INTERFACE("db411223", DATABOARD_4112_23)
SLOT_INTERFACE("hdc", ABC_HDC)
SLOT_INTERFACE("sio", ABC_SIO)
SLOT_INTERFACE("slow", LUXOR_55_10828)
diff --git a/src/devices/bus/abcbus/db411223.cpp b/src/devices/bus/abcbus/db411223.cpp
new file mode 100644
index 00000000000..244cde4c0b4
--- /dev/null
+++ b/src/devices/bus/abcbus/db411223.cpp
@@ -0,0 +1,208 @@
+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ Databoard 4112-23 floppy disk controller emulation
+
+*********************************************************************/
+
+#include "emu.h"
+#include "db411223.h"
+
+
+
+//**************************************************************************
+// MACROS / CONSTANTS
+//**************************************************************************
+
+#define Z80_TAG "maincpu"
+
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+DEFINE_DEVICE_TYPE(DATABOARD_4112_23, databoard_4112_23_t, "db411223", "Databoard 4112-23")
+
+
+//-------------------------------------------------
+// ROM( databoard_4112_23 )
+//-------------------------------------------------
+
+ROM_START( databoard_4112_23 )
+ ROM_REGION( 0x2000, Z80_TAG, 0 )
+ ROM_LOAD("fpy_int_4112-23_teac_fd55.bin", 0x0000, 0x2000, CRC(9175ceb8) SHA1(95c150d3152df318abd9267915d5669d2ec33895))
+ROM_END
+
+
+//-------------------------------------------------
+// rom_region - device-specific ROM region
+//-------------------------------------------------
+
+const tiny_rom_entry *databoard_4112_23_t::device_rom_region() const
+{
+ return ROM_NAME( databoard_4112_23 );
+}
+
+
+//-------------------------------------------------
+// ADDRESS_MAP( databoard_4112_23_mem )
+//-------------------------------------------------
+
+static ADDRESS_MAP_START( databoard_4112_23_mem, AS_PROGRAM, 8, databoard_4112_23_t )
+ AM_RANGE(0x0000, 0x1fff) AM_ROM AM_REGION(Z80_TAG, 0)
+ADDRESS_MAP_END
+
+
+//-------------------------------------------------
+// ADDRESS_MAP( databoard_4112_23_io )
+//-------------------------------------------------
+
+static ADDRESS_MAP_START( databoard_4112_23_io, AS_IO, 8, databoard_4112_23_t )
+ADDRESS_MAP_END
+
+
+//-------------------------------------------------
+// device_add_mconfig - add device configuration
+//-------------------------------------------------
+
+MACHINE_CONFIG_MEMBER( databoard_4112_23_t::device_add_mconfig )
+ MCFG_CPU_ADD(Z80_TAG, Z80, 4000000)
+ MCFG_CPU_PROGRAM_MAP(databoard_4112_23_mem)
+ MCFG_CPU_IO_MAP(databoard_4112_23_io)
+MACHINE_CONFIG_END
+
+
+//-------------------------------------------------
+// INPUT_PORTS( databoard_4112_23 )
+//-------------------------------------------------
+
+INPUT_PORTS_START( databoard_4112_23 )
+INPUT_PORTS_END
+
+
+//-------------------------------------------------
+// input_ports - device-specific input ports
+//-------------------------------------------------
+
+ioport_constructor databoard_4112_23_t::device_input_ports() const
+{
+ return INPUT_PORTS_NAME( databoard_4112_23 );
+}
+
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// databoard_4112_23_t - constructor
+//-------------------------------------------------
+
+databoard_4112_23_t::databoard_4112_23_t(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
+ device_t(mconfig, DATABOARD_4112_23, tag, owner, clock),
+ device_abcbus_card_interface(mconfig, *this),
+ m_maincpu(*this, Z80_TAG)
+{
+}
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void databoard_4112_23_t::device_start()
+{
+}
+
+
+//-------------------------------------------------
+// device_reset - device-specific reset
+//-------------------------------------------------
+
+void databoard_4112_23_t::device_reset()
+{
+ m_cs = false;
+}
+
+
+
+//**************************************************************************
+// ABC BUS INTERFACE
+//**************************************************************************
+
+//-------------------------------------------------
+// abcbus_cs -
+//-------------------------------------------------
+
+void databoard_4112_23_t::abcbus_cs(uint8_t data)
+{
+}
+
+
+//-------------------------------------------------
+// abcbus_stat -
+//-------------------------------------------------
+
+uint8_t databoard_4112_23_t::abcbus_stat()
+{
+ uint8_t data = 0xff;
+
+ if (m_cs)
+ {
+ }
+
+ return data;
+}
+
+
+//-------------------------------------------------
+// abcbus_inp -
+//-------------------------------------------------
+
+uint8_t databoard_4112_23_t::abcbus_inp()
+{
+ uint8_t data = 0xff;
+
+ if (m_cs)
+ {
+ }
+
+ return data;
+}
+
+
+//-------------------------------------------------
+// abcbus_out -
+//-------------------------------------------------
+
+void databoard_4112_23_t::abcbus_out(uint8_t data)
+{
+ if (!m_cs) return;
+}
+
+
+//-------------------------------------------------
+// abcbus_c1 -
+//-------------------------------------------------
+
+void databoard_4112_23_t::abcbus_c1(uint8_t data)
+{
+ if (m_cs)
+ {
+ }
+}
+
+
+//-------------------------------------------------
+// abcbus_c3 -
+//-------------------------------------------------
+
+void databoard_4112_23_t::abcbus_c3(uint8_t data)
+{
+ if (m_cs)
+ {
+ m_maincpu->reset();
+ }
+}
diff --git a/src/devices/bus/abcbus/db411223.h b/src/devices/bus/abcbus/db411223.h
new file mode 100644
index 00000000000..1434db349aa
--- /dev/null
+++ b/src/devices/bus/abcbus/db411223.h
@@ -0,0 +1,60 @@
+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ Databoard 4112-23 floppy disk controller emulation
+
+*********************************************************************/
+
+#ifndef MAME_BUS_ABCBUS_DATABOARD_4112_23_H
+#define MAME_BUS_ABCBUS_DATABOARD_4112_23_H
+
+#pragma once
+
+#include "abcbus.h"
+#include "cpu/z80/z80.h"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> databoard_4112_23_t
+
+class databoard_4112_23_t : public device_t,
+ public device_abcbus_card_interface
+{
+public:
+ // construction/destruction
+ databoard_4112_23_t(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ // device-level overrides
+ virtual void device_start() override;
+ virtual void device_reset() override;
+
+ // optional information overrides
+ virtual const tiny_rom_entry *device_rom_region() const override;
+ virtual void device_add_mconfig(machine_config &config) override;
+ virtual ioport_constructor device_input_ports() const override;
+
+ // device_abcbus_interface overrides
+ virtual void abcbus_cs(uint8_t data) override;
+ virtual uint8_t abcbus_inp() override;
+ virtual void abcbus_out(uint8_t data) override;
+ virtual uint8_t abcbus_stat() override;
+ virtual void abcbus_c1(uint8_t data) override;
+ virtual void abcbus_c3(uint8_t data) override;
+
+private:
+ required_device<cpu_device> m_maincpu;
+
+ bool m_cs;
+};
+
+
+// device type definition
+DECLARE_DEVICE_TYPE(DATABOARD_4112_23, databoard_4112_23_t)
+
+#endif // MAME_BUS_ABCBUS_DATABOARD_4112_23_H