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// license:BSD-3-Clause
// copyright-holders:Miodrag Milanovic
/***************************************************************************
Indiana University 68030 board
08/12/2009 Skeleton driver.
01/20/2014 Added ISA bus and peripherals
TODO: Text appears in VGA f/b (0x6B8000), but doesn't display?
System often reads/writes 6003D4/5, might be a cut-down 6845,
as it only uses registers C,D,E,F.
****************************************************************************/
#include "emu.h"
#include "bus/rs232/keyboard.h"
#include "cpu/m68000/m68000.h"
#include "bus/isa/com.h"
#include "bus/isa/fdc.h"
#include "bus/isa/ide.h"
#include "bus/isa/isa.h"
#include "bus/isa/isa_cards.h"
#include "bus/isa/vga.h"
#include "machine/mc68901.h"
#define M68K_TAG "maincpu"
#define ISABUS_TAG "isa"
#define MFP_TAG "mfp"
class indiana_state : public driver_device
{
public:
indiana_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_maincpu(*this, M68K_TAG) { }
void init_indiana();
virtual void machine_reset() override;
required_device<cpu_device> m_maincpu;
void indiana(machine_config &config);
void indiana_mem(address_map &map);
};
void indiana_state::indiana_mem(address_map &map)
{
map.unmap_value_high();
map(0x00000000, 0x0000ffff).mirror(0x7f800000).rom().region("user1", 0); // 64Kb of EPROM
map(0x00100000, 0x00107fff).mirror(0x7f8f8000).ram(); // SRAM 32Kb of SRAM
map(0x00200000, 0x002fffff).rw(MFP_TAG, FUNC(mc68901_device::read), FUNC(mc68901_device::write)).mirror(0x7f800000); // MFP
map(0x00400000, 0x004fffff).rw(ISABUS_TAG, FUNC(isa16_device::io16_swap_r), FUNC(isa16_device::io16_swap_w)).mirror(0x7f800000); // 16 bit PC IO
map(0x00500000, 0x005fffff).rw(ISABUS_TAG, FUNC(isa16_device::mem16_swap_r), FUNC(isa16_device::mem16_swap_w)).mirror(0x7f800000); // 16 bit PC MEM
map(0x00600000, 0x006fffff).rw(ISABUS_TAG, FUNC(isa16_device::io_r), FUNC(isa16_device::io_w)).mirror(0x7f800000); // 8 bit PC IO
map(0x00700000, 0x007fffff).rw(ISABUS_TAG, FUNC(isa16_device::mem_r), FUNC(isa16_device::mem_w)).mirror(0x7f800000); // 8 bit PC MEM
map(0x80000000, 0x803fffff).ram(); // 4 MB RAM
map(0xfffe0000, 0xfffe7fff).ram(); // SRAM mirror?
}
/* Input ports */
static INPUT_PORTS_START( indiana )
INPUT_PORTS_END
void indiana_state::machine_reset()
{
}
void indiana_state::init_indiana()
{
}
void indiana_isa_cards(device_slot_interface &device)
{
// 8-bit
device.option_add("fdc_at", ISA8_FDC_AT);
device.option_add("comat", ISA8_COM_AT);
device.option_add("vga", ISA8_VGA);
// 16-bit
device.option_add("ide", ISA16_IDE);
}
static DEVICE_INPUT_DEFAULTS_START( keyboard )
DEVICE_INPUT_DEFAULTS( "RS232_TXBAUD", 0xff, RS232_BAUD_1200 )
DEVICE_INPUT_DEFAULTS( "RS232_STARTBITS", 0xff, RS232_STARTBITS_1 )
DEVICE_INPUT_DEFAULTS( "RS232_DATABITS", 0xff, RS232_DATABITS_8 )
DEVICE_INPUT_DEFAULTS( "RS232_PARITY", 0xff, RS232_PARITY_NONE )
DEVICE_INPUT_DEFAULTS( "RS232_STOPBITS", 0xff, RS232_STOPBITS_1 )
DEVICE_INPUT_DEFAULTS_END
MACHINE_CONFIG_START(indiana_state::indiana)
/* basic machine hardware */
MCFG_DEVICE_ADD(M68K_TAG, M68030, XTAL(16'000'000))
MCFG_DEVICE_PROGRAM_MAP(indiana_mem)
// FIXME: determine ISA bus clock
MCFG_DEVICE_ADD(ISABUS_TAG, ISA16, 0)
MCFG_ISA16_CPU(M68K_TAG)
MCFG_ISA16_BUS_CUSTOM_SPACES()
MCFG_DEVICE_ADD("isa1", ISA16_SLOT, 0, ISABUS_TAG, indiana_isa_cards, "vga", false)
MCFG_DEVICE_ADD("isa2", ISA16_SLOT, 0, ISABUS_TAG, indiana_isa_cards, "fdc_at", false)
MCFG_DEVICE_ADD("isa3", ISA16_SLOT, 0, ISABUS_TAG, indiana_isa_cards, "comat", false)
MCFG_DEVICE_ADD("isa4", ISA16_SLOT, 0, ISABUS_TAG, indiana_isa_cards, "ide", false)
MCFG_DEVICE_ADD(MFP_TAG, MC68901, XTAL(16'000'000)/4)
MCFG_MC68901_TIMER_CLOCK(XTAL(16'000'000)/4)
MCFG_MC68901_RX_CLOCK(0)
MCFG_MC68901_TX_CLOCK(0)
MCFG_MC68901_OUT_SO_CB(WRITELINE("keyboard", rs232_port_device, write_txd))
MCFG_DEVICE_ADD("keyboard", RS232_PORT, default_rs232_devices, "keyboard")
MCFG_RS232_RXD_HANDLER(WRITELINE(MFP_TAG, mc68901_device, write_rx))
MCFG_SLOT_OPTION_DEVICE_INPUT_DEFAULTS("keyboard", keyboard)
MACHINE_CONFIG_END
/* ROM definition */
ROM_START( indiana )
ROM_REGION32_BE( 0x10000, "user1", ROMREGION_ERASEFF )
ROM_SYSTEM_BIOS( 0, "v9", "ver 0.9" )
ROMX_LOAD( "prom0_9.bin", 0x0000, 0x10000, CRC(746ad75e) SHA1(7d5c123c8568b1e02ab683e8f3188d0fef78d740), ROM_BIOS(1))
ROM_SYSTEM_BIOS( 1, "v8", "ver 0.8" )
ROMX_LOAD( "prom0_8.bin", 0x0000, 0x10000, CRC(9d8dafee) SHA1(c824e5fe6eec08f51ef287c651a5034fe3c8b718), ROM_BIOS(2))
ROM_SYSTEM_BIOS( 2, "v7", "ver 0.7" )
ROMX_LOAD( "prom0_7.bin", 0x0000, 0x10000, CRC(d6a3b6bc) SHA1(01d8cee989ab29646d9d3f8b7262b10055653d41), ROM_BIOS(3))
ROM_END
/* Driver */
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
COMP( 1993, indiana, 0, 0, indiana, indiana, indiana_state, init_indiana, "Indiana University", "Indiana University 68030 board", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)
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