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-rw-r--r--src/devices/bus/abcbus/abcbus.cpp18
-rw-r--r--src/devices/bus/abcbus/ssa.cpp189
-rw-r--r--src/devices/bus/abcbus/ssa.h73
3 files changed, 272 insertions, 8 deletions
diff --git a/src/devices/bus/abcbus/abcbus.cpp b/src/devices/bus/abcbus/abcbus.cpp
index f1a06f343e1..e34f51ac729 100644
--- a/src/devices/bus/abcbus/abcbus.cpp
+++ b/src/devices/bus/abcbus/abcbus.cpp
@@ -27,8 +27,8 @@ DEFINE_DEVICE_TYPE(ABCBUS_SLOT, abcbus_slot_device, "abcbus_slot", "ABCBUS slot"
// device_abcbus_card_interface - constructor
//-------------------------------------------------
-device_abcbus_card_interface::device_abcbus_card_interface(const machine_config &mconfig, device_t &device)
- : device_slot_card_interface(mconfig, device)
+device_abcbus_card_interface::device_abcbus_card_interface(const machine_config &mconfig, device_t &device) :
+ device_slot_card_interface(mconfig, device)
{
m_slot = dynamic_cast<abcbus_slot_device *>(device.owner());
}
@@ -92,6 +92,7 @@ void abcbus_slot_device::device_start()
#include "ram.h"
#include "sio.h"
#include "slutprov.h"
+#include "ssa.h"
#include "uni800.h"
#include "unidisk.h"
@@ -103,15 +104,16 @@ void abcbus_slot_device::device_start()
void abc80_cards(device_slot_interface &device)
{
- device.option_add("fd2", ABC_FD2);
- device.option_add("memcard", ABC_MEMORY_CARD);
- device.option_add("abcexp", ABC_EXPANSION_UNIT);
device.option_add("16k", ABC80_16KB_RAM_CARD);
- device.option_add("slow", LUXOR_55_10828);
device.option_add("abc830", ABC830);
+ device.option_add("abcexp", ABC_EXPANSION_UNIT);
+ device.option_add("cadabc", ABC_CADMOUSE);
device.option_add("db411223", DATABOARD_4112_23);
+ device.option_add("fd2", ABC_FD2);
+ device.option_add("memcard", ABC_MEMORY_CARD);
+ device.option_add("slow", LUXOR_55_10828);
+ device.option_add("ssa", SUPER_SMARTAID);
device.option_add("unidisk", UNIDISK);
- device.option_add("cadabc", ABC_CADMOUSE);
}
@@ -135,9 +137,9 @@ void abcbus_cards(device_slot_interface &device)
device.option_add("hdc", ABC_HDC);
device.option_add("sio", ABC_SIO);
device.option_add("slow", LUXOR_55_10828);
+ device.option_add("slutprov", ABC_SLUTPROV);
device.option_add("uni800", ABC_UNI800);
device.option_add("unidisk", UNIDISK);
- device.option_add("slutprov", ABC_SLUTPROV);
device.option_add("xebec", LUXOR_55_21056);
}
diff --git a/src/devices/bus/abcbus/ssa.cpp b/src/devices/bus/abcbus/ssa.cpp
new file mode 100644
index 00000000000..be742828eeb
--- /dev/null
+++ b/src/devices/bus/abcbus/ssa.cpp
@@ -0,0 +1,189 @@
+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ Luxor ABC-80 Owoco Super Smartaid cartridge emulation
+
+ New BASIC commands:
+
+ AUTO, CHANGE, CLEAR, CONT, DEL, DIR, DISP, ED, EX, FIND,
+ FOR-NEXT, HELP, JOB, KEY, LIB, LIST, NEW, OLD, PEEK, PEW, POW,
+ REN, RESUME, SPOOL, STACK, START, SYS, TAB, TIME/NOTIME, TRACE,
+ VAR, Û (LIST)
+
+ 0x4000-0x4fff = 4KB ROM bank
+ 0x5000-0x57ff = 2KB NVRAM
+ 0x7800-0x7bff = 1KB ROM bank
+
+*********************************************************************/
+
+/*
+
+ TODO:
+
+ - banking
+
+*/
+
+#include "emu.h"
+#include "ssa.h"
+
+
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+DEFINE_DEVICE_TYPE(SUPER_SMARTAID, super_smartaid_t, "ssa", "Super Smartaid")
+
+
+//-------------------------------------------------
+// device_add_mconfig - add device configuration
+//-------------------------------------------------
+
+void super_smartaid_t::device_add_mconfig(machine_config &config)
+{
+ ABCBUS_SLOT(config, ABCBUS_TAG, DERIVED_CLOCK(1, 1), abc80_cards, nullptr);
+}
+
+
+//-------------------------------------------------
+// ROM( super_smartaid )
+//-------------------------------------------------
+
+ROM_START( super_smartaid )
+ ROM_REGION( 0x800, "ssa1", 0 )
+ ROM_LOAD( "ssa1.bin", 0x000, 0x800, CRC(4c015aba) SHA1(d83d50fb3da04d6cfed7a0ab595afbbef2812951) )
+
+ ROM_REGION( 0x2000, "ssa2", 0 )
+ ROM_LOAD( "ssa2.bin", 0x0000, 0x2000, CRC(8e8bbd2a) SHA1(ff745e346ead247ebcc622bdd811e5f7de629639) )
+
+ ROM_REGION( 0x200, "ssa3", 0 )
+ ROM_LOAD( "ssa3.bin", 0x000, 0x200, CRC(9671e00b) SHA1(9010cb3426bc61711ae940551b79b6ecba67defa) )
+ROM_END
+
+
+//-------------------------------------------------
+// rom_region - device-specific ROM region
+//-------------------------------------------------
+
+const tiny_rom_entry *super_smartaid_t::device_rom_region() const
+{
+ return ROM_NAME( super_smartaid );
+}
+
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// super_smartaid_t - constructor
+//-------------------------------------------------
+
+super_smartaid_t::super_smartaid_t(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
+ device_t(mconfig, SUPER_SMARTAID, tag, owner, clock),
+ device_abcbus_card_interface(mconfig, *this),
+ device_nvram_interface(mconfig, *this),
+ m_bus(*this, ABCBUS_TAG),
+ m_rom_1(*this, "ssa1"),
+ m_rom_2(*this, "ssa2"),
+ m_prom(*this, "ssa3"),
+ m_nvram(*this, "nvram"),
+ m_rom_bank(0),
+ m_prom_bank(0)
+{
+}
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void super_smartaid_t::device_start()
+{
+ // descramble ROMs
+ for (offs_t i = 0; i < 0x800; i++)
+ {
+ m_rom_1->base()[i] = bitswap<8>(m_rom_1->base()[i], 7, 4, 3, 0, 5, 2, 1, 6);
+ }
+ for (offs_t i = 0; i < 0x2000; i++)
+ {
+ m_rom_2->base()[i] = bitswap<8>(m_rom_2->base()[i], 2, 6, 1, 4, 3, 5, 7, 0);
+ }
+
+ // allocate memory
+ m_nvram.allocate(0x800);
+
+ // state saving
+ save_item(NAME(m_rom_bank));
+ save_item(NAME(m_prom_bank));
+}
+
+
+//-------------------------------------------------
+// device_reset - device-specific reset
+//-------------------------------------------------
+
+void super_smartaid_t::device_reset()
+{
+ m_rom_bank = 0;
+ m_prom_bank = 0;
+}
+
+
+
+//**************************************************************************
+// ABC BUS INTERFACE
+//**************************************************************************
+
+//-------------------------------------------------
+// abcbus_xmemfl -
+//-------------------------------------------------
+
+uint8_t super_smartaid_t::abcbus_xmemfl(offs_t offset)
+{
+ uint8_t data = 0xff;
+
+ switch (m_prom->base()[offset >> 10])
+ {
+ case 0x08: case 0x0c: case 0x0f:
+ data = m_rom_2->base()[(m_rom_bank << 12) | (offset & 0xfff)];
+ break;
+ case 0x0d:
+ data = m_rom_1->base()[(m_rom_bank << 10) | (offset & 0x3ff)];
+ break;
+ case 0x0e:
+ data = m_nvram[offset & 0x7ff];
+ break;
+ default:
+ data = m_bus->xmemfl_r(offset);
+ break;
+ }
+
+ return data;
+}
+
+
+//-------------------------------------------------
+// abcbus_xmemw -
+//-------------------------------------------------
+
+void super_smartaid_t::abcbus_xmemw(offs_t offset, uint8_t data)
+{
+ if ((offset & 0x4041) == 0x4040)
+ {
+ m_rom_bank = BIT(offset, 0);
+ }
+
+ switch (m_prom->base()[offset >> 10])
+ {
+ case 0x0e:
+ m_nvram[offset & 0x7ff] = data;
+ break;
+ default:
+ m_bus->xmemw_w(offset, data);
+ break;
+ }
+}
diff --git a/src/devices/bus/abcbus/ssa.h b/src/devices/bus/abcbus/ssa.h
new file mode 100644
index 00000000000..d87dea32018
--- /dev/null
+++ b/src/devices/bus/abcbus/ssa.h
@@ -0,0 +1,73 @@
+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ Luxor ABC-80 Owoco Super Smartaid cartridge emulation
+
+*********************************************************************/
+
+#ifndef MAME_BUS_ABCBUS_SSA_H
+#define MAME_BUS_ABCBUS_SSA_H
+
+#pragma once
+
+#include "abcbus.h"
+#include "machine/nvram.h"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> super_smartaid_t
+
+class super_smartaid_t : public device_t,
+ public device_abcbus_card_interface,
+ public device_nvram_interface
+{
+public:
+ // construction/destruction
+ super_smartaid_t(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+ // optional information overrides
+ virtual void device_add_mconfig(machine_config &config) override;
+ virtual const tiny_rom_entry *device_rom_region() const override;
+
+protected:
+ // device-level overrides
+ virtual void device_start() override;
+ virtual void device_reset() override;
+
+ // device_nvram_interface overrides
+ virtual void nvram_default() override { }
+ virtual void nvram_read(emu_file &file) override { if (m_nvram != nullptr) { file.read(m_nvram, m_nvram.bytes()); } }
+ virtual void nvram_write(emu_file &file) override { if (m_nvram != nullptr) { file.write(m_nvram, m_nvram.bytes()); } }
+
+ // device_abcbus_interface overrides
+ virtual void abcbus_cs(uint8_t data) override { m_bus->write_cs(data); }
+ virtual uint8_t abcbus_inp() override { return m_bus->read_inp(); }
+ virtual void abcbus_out(uint8_t data) override { m_bus->write_out(data); }
+ virtual uint8_t abcbus_stat() override { return m_bus->read_stat(); }
+ virtual void abcbus_c1(uint8_t data) override { m_bus->write_c1(data); }
+ virtual void abcbus_c2(uint8_t data) override { m_bus->write_c2(data); }
+ virtual void abcbus_c3(uint8_t data) override { m_bus->write_c3(data); }
+ virtual void abcbus_c4(uint8_t data) override { m_bus->write_c4(data); }
+ virtual uint8_t abcbus_xmemfl(offs_t offset) override;
+ virtual void abcbus_xmemw(offs_t offset, uint8_t data) override;
+
+private:
+ required_device<abcbus_slot_device> m_bus;
+ required_memory_region m_rom_1;
+ required_memory_region m_rom_2;
+ required_memory_region m_prom;
+ optional_shared_ptr<uint8_t> m_nvram;
+ uint8_t m_rom_bank;
+ uint8_t m_prom_bank;
+};
+
+
+// device type definition
+DECLARE_DEVICE_TYPE(SUPER_SMARTAID, super_smartaid_t)
+
+#endif // MAME_BUS_ABCBUS_SSA_H