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Updated Guru's readme for coolridr.

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Also added info bits (which seemed of interest to me) from Guru's mails.
This commit is contained in:
Fabio Priuli 2009-12-15 17:27:10 +00:00
parent ff5c33c8d1
commit 908778a92e
1 changed files with 29 additions and 12 deletions
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src/mame/drivers/coolridr.c
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@ -22,11 +22,9 @@ Sega 1994
This game runs on SYSTEM-H1 hardware. Only one known game exists on this
PCB and this is it. The hardware seems overly complex for a 2D bike
racing game? This might have been an experimental design transitioning
between Model 1 and Model 2 or a step up from ST-V's 2D to pseudo 3D/2.5D?
The design of the PCB is very similar to vanilla Model 2
racing game? The design of the PCB is very similar to vanilla Model 2
(i.e. Daytona etc). However instead of fully custom-badged chips,
many of the custom chips are off-the-shelf Hitachi gate-arrays.
many of the custom chips are off-the-shelf Hitachi/Toshiba gate-arrays.
PCB Layouts
@ -60,7 +58,8 @@ Notes:
JP9 set to 1-2
JP10-12 open (no jumpers) but JP12 pin 2 tied to JP10 pin 1
IC* - IC29-IC32 are 27C4002 EPROM
All other ROMs are 42 pin DIP 16M mask ROM
IC1-IC10 are DIP42 32M mask ROM
IC11-IC18 are DIP42 16M mask ROM
SYSTEM-H1 COMMUNICATION-BD
@ -70,7 +69,7 @@ SYSTEM-H1 COMMUNICATION-BD
| CN2 |
| 74F74 74F245 MB84256 |
| 74F373 74F245 MB84256 |
|MB89273A CN1 |
|MB89237A CN1 |
| |
| 74F138 74F04 74F125 |
| |
@ -84,10 +83,14 @@ SYSTEM-H1 COMMUNICATION-BD
| LED CN3 |
|----------------------------------|
Notes: (All IC's shown)
CN1/2 - Connectors joining to CPU board
CN3 - Connector joining to Filter board
RX/TX - Optical cable connections for network (not used)
JP* - 3x 2-pin jumpers. JP1 shorted, other jumpers open
CN1/2 - Connectors joining to CPU board
CN3 - Connector joining to Filter board
RX/TX - Optical cable connections for network (not used)
JP* - 3x 2-pin jumpers. JP1 shorted, other jumpers open
MB84256 - Fujitsu MB84256 32k x8 SRAM (NDIP28)
MB89374 - Fujitsu MB89374 Data Link Controller (SDIP42)
MB89237A- Fujitsu MB89237A 8-Bit Proprietary Microcontroller (?) (DIP40)
SN75179 - Texas Instruments SN75179 Differential Driver and Receiver Pair (DIP8)
SYSTEM-H1 CPU BD
@ -197,7 +200,7 @@ Notes:
M5M411860 - Mitsubishi M5M411860TP435SF00-7 DRAM with fast page mode, 64k-words x 18 bits per word (maybe?) (TSOP42)
TC55328 - Toshiba TC55328AJ-15 32k x8 SRAM (SOJ24)
PAL1 - GAL16V8B also marked '315-5803' (DIP20)
PAL2 - GAL16V8B also marked '315-5804' (DIP20)
PAL2 - GAL16V8B also marked '315-5864' (DIP20)
Sega Custom - 315-5648 (QFP64, x4)
315-5691 also marked 'HG62S0791R17F' (QFP208)
315-5692 also marked 'HG51B152FD' (QFP256)
@ -212,7 +215,21 @@ Notes:
Note: This hardware appears to have been designed as a test-bed for a new RLE based compression system
used by the zooming sprites. It is possible that Sega planned on using this for ST-V, but
decided against it. However, it pre-dates ST-V & Saturn and fits between System 32 and ST-V.
decided against it. Video/CPU part numbers give an interesting insight, since video hardware #
sits between Model 1 & Model 2.
Year on
System PCB PCB # PALs
---------------------------------------------------------
System32 1990 837-7428 315-5441 315-5442
SysMulti32 1992 837-8676 315-5596
Model 1 1992 837-8886 315-5546 315-5483 315-5484
Model 2 1994 837-10071 315-5737 315-5741
Model 2A 1994 837-10848 315-5737 315-5815
STV 1994 837-10934 315-5833
H1 (CPU) 1994 837-10389 315-5800 315-5801 315-5802
H1 (Video) 1994 837-9621 315-5803 315-5864
******************************************************************************************************/