DOTT talkie freeze \ VOGONS

DOTT talkie freeze

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First post, by dosfriend

Posted on 2016-09-24, 07:16

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My 5x86 133 machine was working great and stable until I've decided to give the talkie version of Day of the tentacle a try.

It will freeze randomly at some point while playing but the music will continue playing until I reboot. Maybe is sound related because it seems that if I disable speech the freeze doesn't happen. I am using a CT1600.
Tried to disable CPU cache without any improvement. There were 2 patches for the game on Lucas FTP but they don't fix this issue. Also copied the CD monster.sou to HD but it doesn't matter from where I run it, will freeze while playing the intro or game.

Other Lucas talkies work fine on this machine, like Sam&max, Atlantis or unofficial talkie Monkey 1 & 2.

I am out of ideas about what could be causing this and will appreciate any comments 😀

Reply 1 of 8, by SRQ

Posted on 2016-09-28, 01:02

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I had this problem on a Pentium 2. Only does that in DOS, in windows it works fine.
No idea why it does that.

Reply 2 of 8, by kanecvr

Posted on 2016-09-28, 01:16

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It's EMS related. I had the NOEMS parameter set up for EMM386 (in config.sys). Removing it solved the problem. My version of the game also warns me "EMS memory under 2mb".

Reply 3 of 8, by dosfriend

Posted on 2016-09-30, 15:47

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Thanks for your reply 😀
Have EMS memory enabled but just tried with NOEMS parameter. It certainly needs EMS because it complains with the message you pointed out. I am running DOS 7 with EMM386 & HIMEM.
Crashes with EMS and without, as long as I keep the speech enabled.

Reply 4 of 8, by elianda

Posted on 2016-09-30, 18:46

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DoTT seems to access IRQ 7 independently of what you have set. I had the effect that when I had a Soundblaster at IRQ 5 and GUS at 7 the game froze. When I left the GUS uninitialized then it worked fine. DoTT setup was se to IRQ 5...

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Reply 5 of 8, by dosfriend

Posted on 2016-10-07, 20:38

dosfriend Offline

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You are right, DOTT seems to access IRQ 7 somehow even if it's set to 5 on setup or by command argument.
Even leaving GUS uninitialized the freeze will come sooner or later in the game 🙁

Reply 6 of 8, by keenmaster486

Posted on 2016-10-07, 21:53

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Is there a way to temporarily redirect IRQ7 to something else that's harmless?

World's foremost 486 enjoyer.

Reply 7 of 8, by elianda

Posted on 2016-10-08, 08:29

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Newer SBs and the GUS is software configurable, so IRQ can be changed on the fly...

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Reply 8 of 8, by leolobato

Posted on 2021-02-22, 09:46

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I know this is an old post, but it's the first one on Google searching for DOTT freeze. The issue was the CTMOUSE version.

Because of this other thread (Monkey Island 1 Ultimate Talkie freezes during speech ), I've reverted to CTMOUSE 2.04A and the problem is now fixed.

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