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Added Guru-readme.

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Curt Coder 2009-03-19 16:25:37 +00:00
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commit 1fe15a7764
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src/mame/drivers/zodiack.c
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@ -1,3 +1,63 @@
/*
Zodiack
Orca, 1983
PCB Layouts
-----------
Top PCB Middle PCB
|---------------------| |---------------------|
| HM4334 DIP24| | OVG30C.6|
|-| HM4334 | |-| DIP24 |
| | OVG20C.1| | | 6116 DIP24 |
| | | | | DIP24 |
| | Z80 | | | OVG30C.3|
| | | | | OVG30C.2|
|-| | |-| |
| AY3-8910| | |
| | | |
|2 | | |
|2 DSW1 DSW2| | |
|W | | Z80 |
|A 555 LM324 | | |
|Y M51516 VOL | | 18.432MHz|
|---------------------| |---------------------|
Notes: Notes:
Z80 - clock 18.432/6 Z80 - clock 18.432/6
AY3-8910 - clock 18.432/12 6116 - 2k x8 SRAM
HM4334 - 1k x4 SRAM DIP24 - Empty socket
DIP24 - Empty socket ROM 2/3 - 2764
ROM 1 - 2716 ROM 6 - 2732
VSync - 60.5900Hz
HSync - 15.5143kHz
Bottom PCB
|------------------------------------------|
| 2114 OVG40C.7 |
|-| 2114 OVG40C.9 |
| | 2114 |
| | 2114 OVG40C.8 |
| | |
| | 2114 |
|-| 2114 |
| |
| |
| 93422 |
| OVG40C.2B |
| OVG40C.2A |
|------------------------------------------|
Notes:
2114 - 1k x4 SRAM
93422 - 256 x4 SRAM
ALL ROMs 2732
ALL PROMs MMI 6331
*/
/***************************************************************************
Zodiack/Dogfight Memory Map (preliminary)