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JemmEx v5.80 system freeze (Users)

posted by Japheth Homepage, Germany (South), 17.03.2022, 07:08

> I can't use the X=TEST parameter, this will still make the system to
> freeze, but I have to exactly define the range where it's occupied by ROM
> to be excluded and that is with X=A000-CFFF.Is this due to the more
> aggresive scan in v5.80 compared to what v5.79 does?

The "more aggressive scan" relates to the "I=TEST" option only. In v5.80, it does what is documented, in previous versions it only scanned "external" ROMs ( the VGA ROM, for example ).

X=TEST is not really useful on "modern" systems, since jemm ignores automatically all regions defined as reserved ( via BIOS call int 15h, ax=E820h ).

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MS-DOS forever!

 

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