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Stunts Questions / Re: Roland MT-32 problems with BB 1.1
« Last post by llm on May 27, 2020, 08:41:34 AM »
Interesting topic

long time ago i've started to analyse the drv-code based on my drvcombine-tool (
to help IDA analysing the dependencies to the DRV code - after the first Analyse run IDA reveals a jump-table in the beginning of the DRVs (the stunts main-code
is calling this jump-table so IDA was able to see the path through after statical integration of the code)

MT15.DRV comparison

MT15.DRV loaded in IDA as Binary with code starting at offset 0, manualy changed labels to functions


MD5: 7048D28F2A0FE8C8C09141D5C89706DB

I really don't believe that the sound driver files are different, except for the copyright string. I really don't know why this could broke the sound system, if this is the only behavior. In a modern game we could blame the hash checks, but in a 1990 game, I don't think this is viable. So any thoughts on this?

some minor differences: (left is 1.1)

btw: easy to re-assemble the source to a indentical(enough, 3 different opcodes of same size/feature a used by todays assemblers) DRV binary

easily assembled with current ML (VS2019) or UASM (

ml.exe /c /omf MT15.DRV.asm
uasm64.exe MT15.DRV.asm

and UniLinker:

ulink.exe -T16 -Tbix MT15.DRV.obj, MT15.DRV

Chat - Misc / Re: Stunts Fun Pics
« Last post by CTG on May 23, 2020, 01:19:43 PM »
I laughed my hats off, thanks for the opportunity!

Don't worry, triple seven is a way too rare guest in Budapest.

Actually, Emirates switched here from A330 to B777-300 few years ago.
Prediction Games / Re: ZCT226 - Terra Australis
« Last post by Duplode on May 23, 2020, 12:38:59 AM »
Any bets?

Sure, why not?

1. CTG
2. Overdrijf
3. Seeker1982
4. Duplode
5. Stingray86
6. dreadnaut
7. Alan Rotoi
8. Heretic
9. afullo
10. KaoS
Prediction Games / Re: ZCT226 - Terra Australis
« Last post by dreadnaut on May 22, 2020, 11:18:21 PM »
I might have an idea before, but seeing the superkart in third position makes me very uncertain now :)
Month`s Tracks - USC / MINGVA LE VAN FINGVA!
« Last post by CTG on May 22, 2020, 08:43:04 PM »
USC is the far (and dark) past.
What I really miss is ISA/IRC and Krys Töff's IMSA Cup.
« Last post by CTG on May 22, 2020, 08:40:39 PM »
I always knew you were quick witted, but did it really only take you less than 7 years to come up with that next insult, or had you started thinking about it beforehand?

You are not a böff either. ;D
Prediction Games / ZCT226 - Terra Australis
« Last post by CTG on May 22, 2020, 08:38:27 PM »
Any bets?
Stunts Questions / Re: Roland MT-32 problems with BB 1.1
« Last post by Duplode on May 17, 2020, 02:52:28 AM »
I have just created a Wiki article about the sound devices, which provides guidance on setting up MT-32 and documents some of the information in this and other related threads. As ever, further additions are welcome!
Competition 2020 / Re: ZCT225 - PSX Madness
« Last post by afullo on May 13, 2020, 10:08:44 PM »
For me, it is, thanks! A relative tolerance of at least 10^(-15) should be always considered while working with doubles...
Competition 2020 / Re: Guest articles 2020
« Last post by dreadnaut on May 12, 2020, 09:36:07 AM »
Thank you Cas! The post is up :)
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