On at 2021-05-20 13:58 +0200, Eric Auer wrote:
Hi Tom and Paul
any EMM386 will redirect ANY interrupt because protected mode.
while I didn't try this, I doubt you will be able to trace ANY
interrupt with debug.
It COULD probably be debugged (by experts) with
https://ulukai.org/ecm/web/#projects-ldebug
Updated link is at https://pushbx.org/ecm/web/#projects-ldebug
or with 386SWAT
http://www.sudleyplace.com/swat/
Actually, the base FreeDOS Debug (including the probably older versions
shipped in FreeDOS distros, as well as the recent versions 1.2x from
github) can trace software interrupt calls like this interrupt 13h just
as well as lDebug. For both, you want to use the "TM 1" command to
enable tracing into interrupts, then use the "T" command (or lDebug's
new "TP") to do the tracing.
Regards,
ecm
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