From 1fe15a7764989a419836472675d71a9aadecaeab Mon Sep 17 00:00:00 2001 From: Curt Coder Date: Thu, 19 Mar 2009 16:25:37 +0000 Subject: [PATCH] Added Guru-readme. --- src/mame/drivers/zodiack.c | 60 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) diff --git a/src/mame/drivers/zodiack.c b/src/mame/drivers/zodiack.c index a540bd759ce..7f816ad3f20 100644 --- a/src/mame/drivers/zodiack.c +++ b/src/mame/drivers/zodiack.c @@ -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)