Wing Commander: Privateer in FreeDOS \ VOGONS

Wing Commander: Privateer in FreeDOS

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First post, by DMJC

Posted on 2017-07-21, 07:11

DMJC Offline

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Joined: 2010-02-24, 13:24
Location: Australia

Hi Guys,

I'm experimenting with some games on FreeDOS as part of a project. I was wondering if anyone has gotten Wing Commander: Privateer to run in FreeDOS and if they could share their EMS/XMS settings with me? Privateer uses a very weird JEMM layer to provide expanded memory. Dosbox has correctly implemented it, but I am looking at an alternative to Dosbox due to performance issues. (mainly that even on an i7 Kabylake, Privateer will slow down in moments where a 486 did not used to slow down.)

Reply 1 of 3, by gdjacobs

Posted on 2017-07-21, 14:44

gdjacobs Offline

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þ The JEMM ;-) DOS Extender (used for "Strike Commander" and "Privateer") requires the NOVME option to be set. This requireme […]
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þ The JEMM 😉 DOS Extender (used for "Strike Commander" and "Privateer")
requires the NOVME option to be set. This requirement is a strong sign
that this extender switches to V86 mode on its own, which is a bad idea
for a VCPI client.

From the JEMMEX/JEMM386 readme.

All hail the Great Capacitor Brand Finder

Reply 2 of 3, by Azarien

Posted on 2017-07-24, 14:26

Azarien Offline

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I remember Privateer having weird memory requirements even in DOS 6.22 times...

Reply 3 of 3, by DMJC

Posted on 2017-07-27, 11:07

DMJC Offline

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Rank: Newbie
Posts: 9
Joined: 2010-02-24, 13:24
Location: Australia

Well that didn't work at all. I suspect both KVM and DOSEMU don't support VCPI properly. setting the noVME option one way or another did not work.

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