Re: IIc/UniDisk Crash to Monitor

[voss@i40s5.ira.uka.de (Stefan Voss)]

In article <CEEnKw.Byq@eis.calstate.edu>, gachenb@eis.calstate.edu (Greg R. Achenbach) writes:
|> I have a technical question regarding an intermittent problem I'm having
|> booting from my Unidisk 3.5 attached to a IIc.  Sometimes it works fine,
|> other times it crashes to the monitor while booting ProDos (2.0.2).  I get:
|> 
|> 205A-       M=00  A=18  X=00  Y=07  P=33  S=F5
   ^^^^        ^^^^  ^^^^  ^^^^  ^^^^  ^^^^  ^^^^
     |          |     |      |     |     |    |
 address where  |     |      |     |     |    |
 the crash      | Accumulator|   Y-Reg   |  Stack pointer
 occurred (BRK) |           X-Reg        |
              dunno                  Processor status
                                     (zero flag, negative flag, ...)

|> *
|> 
|> When I warm-boot (OA-Ctrl-Reset), I get the same thing except S=F3.  Does
|> anyone know what this means?  A more general question would be "How do you
|> interpret the info given when you crash into the monitor?"

What does the self test say? (Press both Open- and Closed-Apple when you boot)

Stefan Voss
(voss@ira.uka.de)