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abc80: Added skeleton for Owoco Super Smartaid. [Curt Coder, Anders Sandahl]

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This commit is contained in:
Curt Coder 2019-05-05 15:56:44 +03:00
parent 8050b0c466
commit 73f372e55d
4 changed files with 274 additions and 8 deletions
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2
scripts/src/bus.lua
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@ -90,6 +90,8 @@ if (BUSES["ABCBUS"]~=null) then
MAME_DIR .. "src/devices/bus/abcbus/sio.h",
MAME_DIR .. "src/devices/bus/abcbus/slutprov.cpp",
MAME_DIR .. "src/devices/bus/abcbus/slutprov.h",
MAME_DIR .. "src/devices/bus/abcbus/ssa.cpp",
MAME_DIR .. "src/devices/bus/abcbus/ssa.h",
MAME_DIR .. "src/devices/bus/abcbus/uni800.cpp",
MAME_DIR .. "src/devices/bus/abcbus/uni800.h",
MAME_DIR .. "src/devices/bus/abcbus/unidisk.cpp",

18
src/devices/bus/abcbus/abcbus.cpp
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@ -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("16k", ABC80_16KB_RAM_CARD);
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("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("db411223", DATABOARD_4112_23);
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);
}

189
src/devices/bus/abcbus/ssa.cpp Normal file
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@ -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;
}
}

73
src/devices/bus/abcbus/ssa.h Normal file
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@ -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