Re: Real Time Clock on Cassette Write/Sense lines

From: Gerrit Heitsch <*gerrit_at_laosinh.s.bawue.de*> Date: Sat, 11 Feb 2012 18:15:55 +0100 Message-ID: <4F36A24B.2070109@laosinh.s.bawue.de> · gerrit_at_laosinh.s.bawue.de

On 02/11/2012 05:40 PM, Jim Brain wrote:

> OK, on those units, is READ (going to the 7501 directly) read only, or
> can that port pin be set to output as well?

The 8501 has the same setup as the 6510, a data direction register on 
$00 and a data register on $01. So yes, you can set CAS_RD to output. 
It's P4, motor is P3.

  Gerrit

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