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Re: About Roland Virtual Sound Canvas 3

Posted on 2020-10-28, 19:31

kitrinx and I made some substantial progress on the SC-55 wave ROM front. We have successfully understood the process of address scrambling . kitrinx connected a logic analyzer to log the address fetch patterns when playing a single piano note. It looked like this (identation mine): 60455 70B20 …

Re: Temple of Apshai Trilogy

Posted on 2020-10-22, 21:22

in DOS
Is there any chance the game executable is looking for something on the disk (weak bits, half tracks, etc.) and running differently if it doesn't find them? No. When I say that the keydisk protection scheme "wraps" the program file, I mean that the keydisk checking routine replaces the protected …

Re: Temple of Apshai Trilogy

Posted on 2020-10-22, 15:45

in DOS
The 5.25" disk's content is identical to the 3.5" disk's, except for the fact that TRILOGY.COM is wrapped with the Formaster Copylock keydisk checking routine. So, no long-lost version with correct gameplay. 🙁

Re: Temple of Apshai Trilogy

Posted on 2020-10-21, 18:47

in DOS
I have asked on TDC for anybody to contribute an image of the 360 KiB version. Let's see what happens. The 360 KiB version is listed as having some kind of key disk copy protection scheme in a list of copy-protected games by Moebius, of The Good Old Days. Since the commonly-available version does …

Re: Temple of Apshai Trilogy

Posted on 2020-10-21, 16:02

in DOS
Is it written somewhere that it was done with Turbo Pascal? No, but there are very characteristic strings ("Copyright (C) 1985 BORLAND Inc") in TRILOGY.COM.

Re: Temple of Apshai Trilogy

Posted on 2020-10-21, 14:51

in DOS
The only one I can find looks like the label was printed on a dot matrix printer and is text only. Sounds like a "Slash" release. I'm not very familiar with TDC - does it contain photos of the actual copy of the game the disk image was made from? Not that I know of. But the disk was originally …

Re: Temple of Apshai Trilogy

Posted on 2020-10-21, 06:41

in DOS
TDC has a Kryoflux image of a 720 KiB disk of the game. The files are identical to yours, with the exception of additional "AUTOEXEC.BAT" and "GO.BAT" files. Unless somebody unearths a 360 KiB disk of the game with different files (such as this one or this one ), I would say that the finding is just …

Re: Munt Reloaded - Development

Posted on 2019-12-28, 17:12

I believe that I have found a bug in smfwav, version 1.5.0, using Munt MT32Emu Library Version 2.3.0, libsmf Version 1.2. The first attached file, 15-ORIG.MID when converted with smf2wav, gets the timing horribly wrong, yet the file loads and plays correctly in any MIDI file player. The second …

Patches for 768 KiB Tandy 1000s

Posted on 2019-12-14, 19:41

The Tandy 1000 TX, TL and RL can be expanded to 768 KiB. This means that there will be 640 KiB of conventional memory, undisturbed by video memory, which gets its own 128 KiB. This would be the ideal configuration, were it not for the fact that a few games do not work on such a system, as they …

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