Re: 10x CLOAD (fwd)

From: Nicolas Welte (
Date: 1999-10-07 09:49:53

Marko Mäkelä wrote:
> > Could anybody explain me shortly two things:
> > 1) Is the data send to the recorder the same as the real data to be saved?
> In principle yes, I think.  I haven't played much with the tape, but I
> think that -FLAG is an edge-sensitive input, while the processor line you
> use to control WRITE is level-sensitive.

Correct, but the level is inverted by the datasette. I realized this
when I used Markus Brenner's PTAP not to record a TAP to tape but to
directly play it into the C64 tape port READ line. Lacking the sources I
had to use a 74LS04 inverter chip on the line. But then it worked

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