Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-10-08 17:37:56 +03:00
Code Issues Actions 7 Packages Projects Releases Wiki Activity

Add documentation for differing Model 1 coprocessor chips

Browse Source
This commit is contained in:
balr0g 2017-02-20 17:40:01 -05:00
parent ef3417e5b7
commit 6735d48c68
1 changed files with 11 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/mame/drivers/model1.cpp
View File

@ -11,11 +11,12 @@ Star Wars Arcade (C) Sega, 1994
Virtua Fighter (C) Sega, 1993 Virtua Fighter (C) Sega, 1993
Virtua Racing (C) Sega, 1992 Virtua Racing (C) Sega, 1992
Wing War (C) Sega, 1994 Wing War (C) Sega, 1994
Tecwar/Netmerc (C) Sega and Virtuality, 1993
The Sega Model 1 system comprises several PCB's.... The Sega Model 1 system comprises several PCB's....
CPU PCB - This is the main PCB. It holds the main CPU, some surface-mounted ROMs and the 3D co-processors CPU PCB - This is the main PCB. It holds the main CPU, some surface-mounted ROMs and the 3D co-processors
(manufactured by Fujitsu and known as 'TGP'). The PCB is the same for all Model 1 games, but some (manufactured by Fujitsu and known as 'TGP'). There are three different PCB variants, with
games are not swappable due to a different internal 3D co-processor program. different internal 3D co-processor programs depending on game.
Video PCB - There is only one known revision of this PCB so any game can use this PCB. It contains a very large Video PCB - There is only one known revision of this PCB so any game can use this PCB. It contains a very large
quantity of RAM, some surface-mounted ROMs and some custom Sega video chips. The RGB and Sync is also quantity of RAM, some surface-mounted ROMs and some custom Sega video chips. The RGB and Sync is also
outputted from this PCB. The horizontal sync is 24kHz and requires a medium resolution (24kHz) monitor. outputted from this PCB. The horizontal sync is 24kHz and requires a medium resolution (24kHz) monitor.
@ -144,8 +145,8 @@ MODEL-1 CPU BOARD 837-8886171-6298C (C) SEGA 1992
| |-----------| 3771 |-----------| | | |-----------| 3771 |-----------| |
| | | | | | | | | | | |
| | SEGA | | SEGA | D71051 | | | SEGA | | SEGA | D71051 |
| | 315-5572 | | 315-5573 | |-----------| | | | 315-5572 | | COPRO | |-----------| |
| | | | | | | M5M5178 OPR-14743.45 | | | | |(see notes)| | | M5M5178 OPR-14743.45 |
| | | | | | SEGA | M5M5178 | | | | | | | SEGA | M5M5178 |
| |-----------| |-----------| | 315-5464 | M5M5178 OPR-14742.44 | | |-----------| |-----------| | 315-5464 | M5M5178 OPR-14742.44 |
| | | M5M5178 | | | | M5M5178 |
@ -180,9 +181,12 @@ Notes:
*1 - Unpopulated position for Fujitsu MB8421 *1 - Unpopulated position for Fujitsu MB8421
D70615GD-16 - NEC uPD70615GD-16-S V60 CPU, running at 16.000MHz (QFP120, clock 32 / 2) D70615GD-16 - NEC uPD70615GD-16-S V60 CPU, running at 16.000MHz (QFP120, clock 32 / 2)
315-5546A - Lattice GAL16V8A (DIP20) 315-5546A - Lattice GAL16V8A (DIP20)
315-5571 - Sega Custom (IC57/IC58, QFP160) \ 315-5571 - Fujitsu MB86233 Geometrizer (IC57/IC58, QFP160) \
315-5572 - Sega Custom (IC60/IC66, QFP160) / According to test mode, these chips are the TGPs 315-5572 - Fujitsu MB86233 Geometrizer (different code) (IC60/IC66, QFP160) / According to test mode, these chips are the TGPs
315-5573 - Sega Custom (QFP160) COPRO - Fujitsu MB86233 (QFP160) Coprocessor, differs depending on game:
315-5573 - Virtua Racing, Virtua Formula (original for above board part number)
315-5711 - Wing War, Star Wars Arcade, Netmerc
315-5724 - Virtua Fighter
315-5463 - Sega Custom (QFP160) 315-5463 - Sega Custom (QFP160)
315-5464 - Sega Custom (QFP160) 315-5464 - Sega Custom (QFP160)
315-5465 - Sega Custom (QFP100) 315-5465 - Sega Custom (QFP100)