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Re: Internal ZIP bug, "more" command, dynamic memory

From: Volker Augustin
Subject: Re: Internal ZIP bug, "more" command, dynamic memory
Date: Wed, 01 Nov 2000 22:19:16 +0100


>>   Do you have any other ideas how to get an internal zip drive to work?

>I don't know, unless you figure out why GRUB hangs up. Perhaps it
>hangs in the int13 handler or the int1 handler. One way is to put
>print routines at the int1 handler to display what code is
>executed. If you do this, you should write data to the video memory
>rather than calling a BIOS function, because the latter may affect the
>behavior. Another way is to use a very low level debugger, but I don't
>know if such a tool is available freely.

I'm sorry, but I have a very limited knowledge of assembler. So I have no clue 
how to write something directly to the video memory or what registers I may or 
may not use. Can anyone give me some hints or send me some code fragments that 
I can insert into the track_int13 assembler function to see where it hangs?

Thanks, Volker

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