Em 17/02/2022 10:03, Carsten Strotmann via Svardos-users escreveu:
My use case is not to recover, but to *use* vintage computer. I use SvarDos on
8088/8086/286 type machines, and FreeDOS on 386/486 type machines.
I am happy to hear (or read) this, and surprised too.
DEBUG can be helpful in bootstrapping an SvarDos install. I sometimes have used such tool
on vintage computer events, where I only had Internet on my phone, and no network
connection to the vintage machine (an no "modern" machine in reach).
In these situations I was able to use DEBUG to type in small assembly language
scripts that I found on some website (reading on the phone, typing on the old
machine), or adjusting BIOS or DOS parameter tables to prepare for an install
(or even patch MBR/Partition Tables on disk).
It sounds very interesting. I did not know it could be even possible! It
is about redirecting a COM port to a CON device? Does such redirection
works well as Linux does?
If the current DEBUG binary is too heavy (in disk size), maybe there is another
(similar) tool that is free/open-source and would be a light weight replacement.
The functions that I would use from such a tool:
* dump memory (hex)
* disassemble 8086/80286 code
* assemble 8086/80286 code
* read/write sectors (via BIOS)
* save COM files
* save BIN files (memory dump)
* trace execution
* execute code
A tiny 1024-4096 byte sized Forth system would work for me as well, as I can
use it to bootstrap everything from there, but that might have an even smaller
user base than DEBUG :)
It is a interesting challenge for hacking, despite it being a needed
feature. You guys are advanced DOS users!!!
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