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Merged
merged 4 commits into from
Mar 13, 2025
Merged

Add a skeleton driver for DEC MicroVAX 3100 #13331

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bc63041
Add a skeleton driver for DEC MicroVAX 3100
clawgrip Feb 4, 2025
350701b
Fix ROM loading and add model to machine name
clawgrip Feb 5, 2025
d2a485a
Merge branch 'mamedev:master' into microvax3100
clawgrip Mar 10, 2025
038626c
Sync with the new MicroVAX drivers and new VAX CPU core stub
clawgrip Mar 10, 2025
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170 changes: 170 additions & 0 deletions src/mame/dec/microvax3100.cpp
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// license:BSD-3-Clause
// copyright-holders:
/***********************************************************************************************************************

Skeleton driver for DEC MicroVAX 3100

____
Main PCB: _________________ _____ _____ _____ _ | | ___ ___________
________________| |___| |___| |___| |___| |___| |___________| |__| |_____
| |________________| |____| |____| |____| |_| |___| | | |__________| |
| ____ ______ __________ __________ __________ | | __________ |
| |o o| | | __________ |_ITA27B4_| |_ITA27B4_| |DP8392BN_| | | 16-25072-01 |
| |o o| |_____| |_ITA27B4_| :::::::::::::::::::::::::: | | |
| |o o| ______ ___________ ___________ ___________ |__| ____________ |
| |o o| |L5170D PE-64685-001 PE-64685-001 PE-64685-001 _______ __________ |_AM7992BDC_| |
| |o o| |_____| |_________| |_________| |_________| |74F244| 16-25072-01 |
| |___| ____________ Xtal |
| __________ __________ ::::::::::::::::::::::: ::::::::::::::::::::::: |74LS244NQST| 20MHz |
| |74LS273N_| |74LS240N_| ____ __________ ___________ __________________ |
| Xtal Xtal ___________ |___| |_7416PC__| | MC146818P| |AMD AM7990DC/80 | |
|: 3.6864MHz .. 5.0688MHz | | |__________| |21-21672-09______| |
| __________ |LSIL5A0065| __________________ _________________ _________________ |
| |_74LS92N_| |21-22769-01 |NCR 5380 | |NCR 5380 | | EPROM (E25) | |
| ________________ | | |CP07972__________| |CP07972__________| |________________| |
| | SIEMENS | |__________| __________ _________________ |
| | SC21C1002 | |_PROM____| | EPROM (E24) | |
| | 21-30367-03 | Xtal _____ __________ __________ |________________| |
| | | 69.1968MHz |____| 18-18800-02 |74LS125AN| |
| | | __________ |
| |_______________| |_74F244N_| |
| __________________ _________________ |
| | EPROM (E98) | | | __________ ____ ____ |
| |_________________| | LSI LOGIC | |74F74NQST| |___| |___| |
| _________________ | L1A5029 | __________ |
| | D43256AC-10L | | 21-28651-03 | |_74F11PC_| ____ ____ |
| |________________| | | 1920441Q 1920441Q |___| |___| |
| _________________ | | Xtal 02MP130T 02MP130T |
| | D43256AC-10L | __________ |________________| 66.667MHz ____ |
| |________________| |_74F00PC_| _____________ 1920441Q 1920441Q |___| |
| _________________ __________ ____________ |21-24674-17 | 02MP130T 02MP130T |
| | D43256AC-10L | |74F04NQST| |21-26604-07| | G889-41 | |
| |________________| __________ | H752-28 | | 9134 | 1920441Q 1920441Q |
| _________________ |_74F00PC_| | 9133 | | | 02MP130T 02MP130T __________ |
| | D43256AC-10L | __________ | | |____________| |_74F32PC_| |
| |________________| |_74F32PC_| |___________| 1920441Q 1920441Q |
| 02MP130T 02MP130T |
| __________ __________ |
| |74LS240N_| |SN74AS804| |
| ::::::::::::::: ::::::::::::::: __________ __________ |
| |SN74AS804| |_74F32N__| |
|____________________________________________________________________________________________________________|


Communications PCB:
___________________________________________________________________________________ ___________________________
| | | |
| _______________________ ___________ ___________ |____| ___________ |
| | SCN68562C4N48 | |74HCT245N_| |74HCT245N_| |_PAL20L10_| |
| |______________________| ___________ ___________ _______________ ___________ |
| |74HCT245N_| |74HCT245N_| | HM6264AP-10 | |74F32NQST_| |
| _______________________ ___________ |______________| ___________ |
| | SCN68562C4N48 | |74HCT245N_| _______________ |74F08NQST_| |
| |______________________| ___________ | HM6264AP-10 | ___________ |
| ___________ . __________ _______________ |74HCT245N_| |______________| |_74F74PC__| |
||_74F453N__| : |SN74LS244N | | ___________ _______________ ___________ |
| __________ ________ | 21-26907-02 | |_74LS373N_| | HM6264AP-10 | |74F02NQST_| |
||SN74LS20N| |74F10PC| | DC7045D | _____________ ___________ |______________| ___________ |
| | TAC 8944 | | DEC 358EA | |74HCT245N_| _______________ |_74F74PC__| |
| __________ ____________ | | | 78532-GA | ___________ | HM6264AP-10 | ___________ |
| |74F191PC_| | | |______________| | 21-24329-01| |_74LS373N_| |______________| |74F00NQST_| |
| __________ | | ______________ |P467-17 8949| ___________ ___________ |
| |_74F74PC_| | | |CY7C128-45PC_| |____________| |PAL16L8NC_| |74F08NQST_| |
| Xtal | | ______________ ___________ ______________ |
| 14.7456 MHz |___________| |PAL20L10ACNS_| |MC74F521N_| | PLS105ANJ | |
| ____________ ____________ ____________ __________ __________ __________ ___________ |_____________| |
||SN74LS244N_| |SN74LS244N_| |SN74LS166AN| |74F245PC_| |SN74LS139| |_74F74PC_| |74HCT245N_| ______________ |
| ____________ ____________ ____________ __________ __________ ___________ | PLS105ANJ | |
||SN74LS244N_| |SN74LS244N_| |SN74LS166AN| |74HCT245N| |22738-01_| 40MHz Xtal |_74F543N__| |_____________| |
| _____ __________ __________ __________ ___________ ______________ |
| | | ____ |74HCT245N| |SN74LS375N |74F32NQST| |74HCT245N_| | PLS105ANJ | |
| | C | | | __________ __________ __________ ___________ |_____________| |
| | O | | C | |74F245PC_| |74F32NQST| |74F32NQST| |_74F543N__| ______________ |
| | N | | O | __________ __________ __________ ___________ | EPROM | |
| | N | | N | |_74F244N_| |SN74LS09N| |74F00NQST| |74HCT245N_| |_____________| |
| | | | N | __________ __________ __________ ___________ ___________ |
| | | | | |MC74F240N| |74F32NQST| |_________| |_74F543N__| |_74LS244N_| |
| | | | | ___________ ___________ |
| | | |___| ______________________ ______________________ |74HCT245N_| |_74F374N__| |
| |____| | :::::::::::::::::::: | | ::::::::::::::::::: | ___________ |
| |_74F543N__| |
|__________________________________________________________________________________________________________________|

***********************************************************************************************************************/

#include "emu.h"
#include "cpu/t11/t11.h"

#include "machine/am79c90.h"
//#include "machine/ncr5380.h"
//#include "machine/scnxx562.h"
#include "machine/terminal.h"


namespace {

class microvax3100_state : public driver_device
{
public:
microvax3100_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_terminal(*this, "terminal")
{ }

void microvax3100(machine_config &config);

private:
required_device<t11_device> m_maincpu;
required_device<generic_terminal_device> m_terminal;
};


// Input ports
static INPUT_PORTS_START( microvax3100 )
INPUT_PORTS_END


void microvax3100_state::microvax3100(machine_config &config)
{
// Basic machine hardware
T11(config, m_maincpu, 66.6667_MHz_XTAL); // Need proper CPU here

AM7990(config, "lance1", 0); // AMD AM7990PC/80

// NCR5380(...)

// DUSCC68562(...) // Signetics SCN68562C4N48

// Video hardware
GENERIC_TERMINAL(config, m_terminal, 0);
}

ROM_START( mvax3100 )
ROM_REGION( 0x40000, "maincpu", ROMREGION_ERASEFF )
ROMX_LOAD( "dec89_23-116e8-00_system_rom_lo_word.e24", 0x00000, 0x20000, CRC(69ef8cf5) SHA1(a59a500921278dc356a519cb435641426c844779), ROM_NIBBLE | ROM_SHIFT_NIBBLE_LO | ROM_SKIP(1) )
ROMX_LOAD( "dec89_23-117e8-00_system_rom_hi_word.e25", 0x00000, 0x20000, CRC(df572ac3) SHA1(5e91d0f4fc8442e3ebc2424d9f85078ba00d2de5), ROM_NIBBLE | ROM_SHIFT_NIBBLE_HI | ROM_SKIP(1) )

ROM_REGION( 0x20000, "scsi", ROMREGION_ERASEFF )
ROM_LOAD( "dec89_23-061e8-00_scsi_rom.e98", 0x00000, 0x20000, CRC(51fb8268) SHA1(a930869dce955b9b7a2b0fb68840e863c74e6512) )

ROM_REGION( 0x10000, "comms", ROMREGION_ERASEFF )
ROM_LOAD( "dec90_fx9123_248e7.bin", 0x00000, 0x10000, CRC(d50801e6) SHA1(e67b1d732ce775381eb8f41684a3366db7a435d7) )

ROM_REGION( 0x00117, "plds", ROMREGION_ERASEFF ) // All of them on the comms PCB
ROM_LOAD( "dec90_lm9019_032j7_pal20l10acns.bin", 0x00000, 0x00117, NO_DUMP )
ROM_LOAD( "dec90_lm9027_111l1_pls105anj.bin", 0x00000, 0x00100, NO_DUMP )
ROM_LOAD( "dec90_lm9028_519j5_pal16l8nc.bin", 0x00000, 0x00117, NO_DUMP )
ROM_LOAD( "dec90_lm9029_124l1_pls105anj.bin", 0x00000, 0x00100, NO_DUMP )
ROM_LOAD( "dec90_lm9030_031j7_pal20l10acns.bin", 0x00000, 0x00117, NO_DUMP )
ROM_LOAD( "dec90_lm9031_112l1_pls105anj.bin", 0x00000, 0x00100, NO_DUMP )

ROM_REGION( 0x00100, "prom", ROMREGION_ERASEFF ) // On the main PCB
ROM_LOAD( "dec84_fx9206_365a1.bin", 0x00000, 0x00100, NO_DUMP )
ROM_END

} // anonymous namespace


// YEAR NAME PARENT COMPAT MACHINE INPUT STATE INIT COMPANY FULLNAME FLAGS
COMP( 1989, mvax3100, 0, 0, microvax3100, microvax3100, microvax3100_state, empty_init, "Digital Equipment Corporation", "MicroVAX 3100", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)
3 changes: 3 additions & 0 deletions src/mame/mame.lst
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Expand Up @@ -17443,6 +17443,9 @@ ds3100 // 1989 Digital Equipment Corporation (DECstatio
@source:dec/kn02.cpp
ds5k133 // 1993 Digital Equipment Corporation (DECstation 5000/133)

@source:dec/microvax3100.cpp
mvax3100 // 1989 Digital Equipment Corporation (MicroVAX 3100)

@source:dec/pdp1.cpp
pdp1 // 1961 DEC PDP1

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