Re: CP/M card testing

[pausch@saaf.se (Paul Schlyter)]

In article <1fwyvez.s9u0t1npgk4iN%email@luddite.ca>,
Simon Williams <email@luddite.ca> wrote:
 
> I have a few Z80 cards kicking around... I'm wondering how I can test
> them.
 
You test them by inserting the appropriate boot disk and boot it.
If the Z80 card is absent, the boot code usually displays a message
telling that, and then stops.
 
> I've got some CP/M disks (WordStar, Turbo Pascal and CP/M Utils),
> but I have no idea if any of them are bootable. For that matter, I'm
> not even sure how to boot CP/M...
 
You insert the appropriate boot disk and boot it.  If the Z80 card is
absent, the boot code usually displays a message telling that, and
then stops.
 
> I've tried PR#n where n is the slot the Z80 card is in,
 
Won't work!  Doing PR#n will berely call the code in the ROM of
that card, if there is any; however Z80 cards don't have such a ROM.
 
> this spins the drive in slot 6, but it just keeps
> spinning, so I assume there's no OS on the disk. 
 
Do PR#n where n is the slot number of the disk drive instead!
 
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