[sebhc] HASL-8 Bug/Corruption?
Steven Parker
sp11 at hotmail.com
Wed May 12 13:21:18 CDT 2004
Since Carroll was able to run HASL-8 past the point in question, I loaded it
up in the (DAW) emulator and looked at those locations...
>It is however getting called! - the offending call instruction is located
>at
>$3961 (071 141). The opcode is C3(303) 21(041) 32(062)
Except that 303 is a JMP, not a CALL. However, I do see a CALL there (315),
to that address (did you just write it down wrong?) Maybe this really is a
bug, but one that works on a real H8 (or perhaps if you change your emulator
to ignore undefined codes). In a real 8080, the eight codes that match 0?0
are all no-ops.
Maybe Carroll would confirm the contents of those locations on his real H8?
By the way, it doesn't run on the DAW emulator even that far - the first key
I hit on the keyboard causes the INT light to go out and it gets lost in
some loop. I'm guessing there's still some bug in that emulator related to
I/O or interrupt function.
Cheers,
- Steven
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