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Add PCB layout for the main board in chinagat.cpp

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This patch updates the PCB Layout comment to have layout
information and simple explanations for the main board.
This commit is contained in:
Yukari Tamura 2019-08-27 01:18:57 +09:00
parent dd113af151
commit b2047b7efc
1 changed files with 80 additions and 15 deletions
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95
src/mame/drivers/chinagat.cpp
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@ -73,6 +73,71 @@ Dip locations and factory settings verified with China Gate US manual.
PCB Layout
----------
TA-0023-P1-03 (Main Board)
|-----------------------------------------------------|
| | J1 | | J2 | |
| ---------------- ---------------- |
| X1 |
| |
| |
| LH0080A |
| |
| |
| HD68B09EP HD68B09EP |
| 23J0-0 (main) (sub) 23J6-0 |
| |
| YM2151 23J5-0 |
| 23J1 23J2 23J3-0 23J4-0 |
| -0 -0 |
| |
| |
| YM3012 M6295 |
| |
| |
| X2 |
| |
| SW2 SW1 |
| |
| |
| VR1 |-------------------| |
| | || JAMMA | |
|----------------|---||--------------|----------------|
Clock
X1 - 3.579545MHz
X2 - 1.056MHz
CPUs
HD68B09EP - HITACHI 6809E for main
HD68B09EP - HITACHI 6809E for sub
LH0080A - SHARP Z80 for sound
Sound
YM2151 - YAMAHA FM sound
YM3012 - YAMAHA DAC for YM2151
M6295 - OKI ADPCM
PROM
23J5-0 - user1 (82S129)
ROMs
23J0-0 - soundcpu EPROM
23J1-0 - oki mask ROM
23J2-0 - oki mask ROM
23J3-0 - maincpu EPROM
23J4-0 - sub EPROM
23J6-0 - gfx1 mask ROM
SRAMs
not listed yet
Others
VR1 - Speaker volume
SW1 - DIPSW1
SW2 - DIPSW2
JAMMA - Standard JAMMA connector
TA-0023-P2-03 (Video Board)
|-----------------------------------------------------|
| | J2 | | J1 | |
@ -104,29 +169,29 @@ TA-0023-P2-03 (Video Board)
|-----------------------------------------------------|
Clock
X1 - 12MHz
X1 - 12MHz
PROM
23JB-0 - user1 (82S131)
23JB-0 - user1 (82S131)
ROMs
23J7-0 - gfx2 mask ROM
23J8-0 - gfx2 mask ROM
23J9-0 - gfx2 mask ROM
23JA-0 - gfx2 mask ROM
TJR-100 - gfx3 custom ROM (undump)
23J7-0 - gfx2 mask ROM
23J8-0 - gfx2 mask ROM
23J9-0 - gfx2 mask ROM
23JA-0 - gfx2 mask ROM
TJR-100 - gfx3 custom ROM (undump)
SRAMs (2KBx8bits) Motorola MCM2016HN55, SANYO LC3517?
IC7 - ?
IC40 - bgvideoram
IC70 - ?
IC75 - ?
IC78 - ?
IC106 - ?
IC7 - ?
IC40 - bgvideoram
IC70 - ?
IC75 - ?
IC78 - ?
IC106 - ?
Connectors
J1, J2 - 50pins, almost same assignments with ones for Double Dragon.
At this moment, 17pin is known to be used for TRJ-100.
J1, J2 - 50pins, almost same assignments with ones for Double Dragon.
At this moment, 17pin is known to be used for TRJ-100.
TRJ-100 pin assigns