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ST-V 486 dev box PC [Darksoft, TeamEurope, The Dumping Union]
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angelosa 2024-03-15 16:31:19 +01:00
parent 2e6dbcb2f7
commit c3f74ced89
2 changed files with 81 additions and 0 deletions
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3
src/mame/mame.lst
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@ -40354,6 +40354,9 @@ yattrmnp // 1998.10 Yatterman Plus
znpwfv // 1997.12 Zen Nippon Pro Wrestling featuring Virtua znpwfv // 1997.12 Zen Nippon Pro Wrestling featuring Virtua
znpwfvt // 1997.12 Zen Nippon Pro Wrestling featuring Virtua znpwfvt // 1997.12 Zen Nippon Pro Wrestling featuring Virtua
@source:sega/stvdev.cpp
stvdev //
@source:sega/suprloco.cpp @source:sega/suprloco.cpp
suprloco // (c) 1982 Sega suprloco // (c) 1982 Sega
suprlocoo // (c) 1982 Sega suprlocoo // (c) 1982 Sega

78
src/mame/sega/stvdev.cpp Normal file
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@ -0,0 +1,78 @@
// license:BSD-3-Clause
// copyright-holders:
/**************************************************************************************************
Sega ST-V dev-box unit "837-12764 486 BD FOR ST-V"
Presumably for stvbios "hold F2 at boot -> System Configuration" cart dev mode.
ALi/ACER FINALi 486 PCI motherboard
M1489 A1 (northbridge) + M1487 B1 (southbridge)
M5113 (super i/o, sorta compatible with FDC37C665 as per PSC-586VGA single board)
DP8432V-33
CAK0003UA
2x Altera EPM7032LC44-10 near northbridge
Two empty sockets, u0621 (BIOS extension?) and u0629 (user space?)
**************************************************************************************************/
#include "emu.h"
#include "cpu/i386/i386.h"
#include "machine/pci.h"
namespace {
class stvdev_state : public driver_device
{
public:
stvdev_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
{ }
void stvdev(machine_config &config);
private:
required_device<cpu_device> m_maincpu;
void stvdev_io(address_map &map);
void stvdev_map(address_map &map);
};
void stvdev_state::stvdev_map(address_map &map)
{
map(0x00000000, 0x0009ffff).ram();
map(0x000e0000, 0x000fffff).rom().region("bios", 0);
map(0xfffe0000, 0xffffffff).rom().region("bios", 0);
}
void stvdev_state::stvdev_io(address_map &map)
{
}
static INPUT_PORTS_START(stvdev)
INPUT_PORTS_END
void stvdev_state::stvdev(machine_config &config)
{
// TODO: two other clocks, one at 36 MHz near CAK chip and another at 14.318 MHz near 486 socket
I486(config, m_maincpu, 33'000'000);
m_maincpu->set_addrmap(AS_PROGRAM, &stvdev_state::stvdev_map);
m_maincpu->set_addrmap(AS_IO, &stvdev_state::stvdev_io);
PCI_ROOT(config, "pci", 0);
// ...
}
ROM_START( stvdev )
ROM_REGION32_LE( 0x20000, "bios", ROMREGION_ERASEFF )
ROM_LOAD( "epr-19159.u0628", 0, 0x20000, CRC(70735b87) SHA1(825954978a6b09d307ec33ef46128a45a76ff63b) )
ROM_END
} // anonymous namespace
COMP(1998, stvdev, 0, 0, stvdev, stvdev, stvdev_state, empty_init, "Sega / ALi", "ST-V 486 dev box PC", MACHINE_IS_SKELETON )