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EDR-DOS development (Announce)

posted by CandyMan, 16.08.2023, 18:55
(edited by CandyMan on 16.08.2023, 19:10)

> You didn't reply about the int 71h function error codes. Apart from the
> compression support and the colour signature removal, this is the only
> patch of yours I didn't add to my repo yet.
>
I didn't answer because I'm not entirely sure. Perhaps it is enough for HX-DOS to understand the return code 0001h as it understands 7100h.

> Is there a need for that here? Why did you use one once and the other once,
> rather than twice the same?
>

I just forgot to change. When I run under Win64 I can't use "vasm", and when I don't have HX loaded in DOS I can't use "fasm".

I now know, though not exactly, why the system freezes. After loading DRDOS.SYS (also uncompressed) it jumps to the wrong place for me and after the RET instruction to the next one. However, I don't know exactly how to fix it. The only correct solution was the amendment I proposed. I used Dark Debugger to trace the boot process.

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