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Re: [N8VEM: 15611]

To: N8VEM <n8...@googlegroups.com>
Subject: Re: [N8VEM: 15611]
From: Sergey <skis...@gmail.com>
Date: Sat, 16 Feb 2013 16:55:07 -0800 (PST)
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User-agent: G2/1.0

For starters try to see if A0 (address bit 0), /RD, and /MREQ of Z80
are pulsing. /CS is decoded using some logic, and it is possible that
something wrong with that logic.
If nothing happens on the CPU outputs above, something might be wrong
with the CPU itself.

Thanks,
Sergey

Follow-Ups:
- Re: [N8VEM: 15611]
  - From: rbruinsma <rbma...@gmail.com>

References:
- Problem SBC V2 no puls on pin 20 Z80
  - From: rbruinsma <rbma...@gmail.com>
- Re: [N8VEM: 15605] Problem SBC V2 no puls on pin 20 Z80
  - From: Douglas Goodall <douglas...@mac.com>
- Re: [N8VEM: 15605] Problem SBC V2 no puls on pin 20 Z80
  - From: rbruinsma <rbma...@gmail.com>
- [N8VEM: 15607]
  - From: Douglas Goodall <douglas...@mac.com>
- Re: [N8VEM: 15607]
  - From: rbruinsma <rbma...@gmail.com>
- Re: [N8VEM: 15609]
  - From: Douglas Goodall <douglas...@mac.com>
- Re: [N8VEM: 15609]
  - From: rbruinsma <rbma...@gmail.com>
- Re: [N8VEM: 15611]
  - From: Douglas Goodall <douglas...@mac.com>

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