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Re: Disk 2 controller card issue, or maybe not?
On Oct 8, 7:32 am, Dave T <huckleca...@gmail.com> wrote:
> On Oct 8, 3:13 am, "ict@ccess" <gids...@sasktel.net> wrote:
>
> > Two more things to make sure
>
> > Disk II card is in slot 6 and slot 7 is empty
>
> Yes, it's in slot 6.
>
> Also, the "garbage" that I get with C600L seems to be the same
> "garbage" with each try.
>
> What do you think, bad controller card or bad drive?
>
> Thanks again for your help, I really, really appreciate it.
The C600 listing should start out like this
C600 - A2 20 LDX #$20
C602 - A0 00 LDY #$00
C604 - A2 03 LDX #$03
This is the firmware of the card and should indicate the code is not
scrambled
Since the PR#6 command started the drive, and it rattled it is safe to
assume that the code is good so the card for the most part should be
good, although there is the possibility that the end of the firmware
code where it jumps to the program just loaded at $800 might be
scrambled
Although you have tried a couple of game disks, do you have any other
disks, like a DOS 3.3 master disk or some other operating system disks
to try?
If you want to see what scrambled code looks like, do a C600L or C700L
with the slot empty