bani
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Posts posted by bani
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Anyone found a 3d printer filament that is a good match for the TRS-80 silver? I'm designing some enclosures and want them to fit in color wise with a TRS-80 coco or TRS-80 Model III.
I tried a couple PLA silk silver variations from several different companies but they don't seem a good match.
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@phaeron have you considered putting a8rawconv up on github?
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looking at the GCR specifications and the a8rawconv source code, i'm not sure that a8rawconv has a working GCR encoder as required by the apple ii format.
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This also seems incorrect:
a8rawconv-x64.exe -if do .\dos33.do -of scp-ss40 dos33.scp
A8 raw disk conversion utility v0.94
Copyright (C) 2014-2020 Avery Lee, All Rights Reserved.
Licensed under GNU General Public License, version 2 or later.Reading Apple II disk image (DOS 3.3 ordering): .\dos33.do
Writing single-sided SuperCard Pro 40-track image with 5 revolutions: dos33.scp
Cannot write a 96tpi disk to a 48tpi SCP image. -
so i've been doing some testing and there definitely seems to be something wrong with a8rawconv's apple II support.
a8rawconv-x64.exe -if do .\dos33.do -of scp dos33.scp
A8 raw disk conversion utility v0.94
Copyright (C) 2014-2020 Avery Lee, All Rights Reserved.
Licensed under GNU General Public License, version 2 or later.Reading Apple II disk image (DOS 3.3 ordering): .\dos33.do
Writing single-sided SuperCard Pro 40-track image with 5 revolutions: dos33.scpDisk does not work in a real apple II.
The resulting image in HxC Visual Floppy Disk viewer:
If I use HxC to load dos33.do and export as SCP, then use a8rawconv to write it to disk, the disk works in a real apple II.
The resulting scp looks like this:
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the 1400/1450 would have been a very expensive machine with no real added value. and even if it had new graphics or sound capabilities, the price would have meant that very few would bother to write software for it.
it would have went over as well as the apple iii.
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These software worked much better in hi res:
Calamus
Cubase
Pagestream
Most word processing software
Very few games supported it, the ones I remember:
Starglider
Bolo
Brataccas
Most sierra on-line adventure games (Space Quest, etc)
Megaroids
Oxyd
Shanghai
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How much could design be optimized? E.g. something like atari 1088xel or 576nuc project?
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On 2/2/2021 at 5:39 PM, eccofonic said:
Makes me wonder if Synapse tried to write a music loader for Dimension X, then gave up and put the music they were going to use on tape instead. It'd be interesting if someone could recreate that first musical part on a real Atari... with a remix it'd make a near perfect Dimension X cassette.
the music doesn't sound like pokey to me at all. and the second song - maple leaf rag -- is clearly FM synthesis. not something pokey could do. the first song looks like modulated triangle wave, again not really a pokey sound.
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My first attempt at crosstalk removal and denoising of Zeppelin and Dimension X.
Discovered something interesting during the processing. After I removed the crosstalk and cleaned it up a bit, I found that the music sounded like it was fed into the cassette recording from a TV, there was all the classic audio hum and artifacts you would hear on a cheap VHS tape. I removed those artifacts as well.
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thanks for uploading the capture of dimension x. i've been looking for this for ages. i grabbed them from atarimania ftp and i'm looking at them now.
the azimuth of the recording is off, but not due to your nak or revox. the original recording has horrible alignment. whatever commercial duplicating equipment they used is awful. this is going to be a supreme pain to remove the crosstalk, but i am going to take a stab at it. i will have to manually adjust the phase, invert, match the bleed level, and then mixdown.
any chance to capture side a? i might be able to recover some additional s/n from the music by averaging them together.
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On 1/11/2021 at 7:13 AM, CharlieChaplin said:
Well,
I normally place the A8 tape into my Hifi tapedeck and use a Y-splitter, so that I can record it with 2x mono (left and right channel), 44khz onto CD with my Hifi CD recorder. Then I place the CD into my PC DVD device and convert it into WAV, 16Bit, 44khz, stereo and finally convert into MP3 (224 or 256 kbit) stereo.
Maybe you can place the tape into a tape player, connect only the left/audio channel to the PC and also record with 2x mono, 44khz ? Then it should be easy to convert the resulting WAV into MP3...
please don't record in mono. you can't remove the data crosstalk without the data track.
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17 hours ago, CharlieChaplin said:
Correct. Since I have copied (or tried to copy) 821 A8 tapes onto diskette with my Hifi system, I can confirm that very few of them (approx. 2%) do have loader music. Alas, I did not get the tape version of "Zeppelin" (Synapse) into my hands yet and errrm, 49.95 Euro at ebay for that tape is a bit too expensive for me. I do not want to pay 50-100 Euro for single A8 tapes where no-one can guarantee that they work...
2% means you have 16 tapes with loader music, can you share them? ?
your speed run seems to be a separate tape included with the game, and not loader music? my speed run has no music.
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So I have captured dozens of mastertronic, firebird, elite systems, atlantis etc. tapes and not a single one has loader music.
The UK releases of Synapse games like Dimension X appear to have the loader music removed for no reason. Very sad.
The Lone Raider may be the only UK produced tape ever to have loader music.
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signed up on the website, but i can't see anywhere to upload dumps.
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are .wav needed or would converted .cas be sufficient?
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if i get enough tapes with loader music on them, there will be.
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Confirmed no loader music on:
Zaxxon
Juggles House
Early Games (counterpoint software)
Baa Baa Black Sheep
Hickory Dickory Dock
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Confirmed no loader music on:
Pacific Coast Hwy
Juggles Rainbow
I now have a really nice Aiwa AD-F800 and ESI U24XL to do captures with.
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Confirmed no loader music on:
Blue Max
Preppie
Star League Baseball
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regret dumping my cassette collection. i enjoyed the loader music on a bunch of them.
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- Jim St. Louis (with Russ Karas) - wrote the famous atari robot / rocketship demos. Jim was also involved with Koronis Rift and Rescue on Fractalus.
- Regan Cheng - worked at atari 11 years. designed the atari 5200 and 1200xl cases, responsible for the "angular" atari xl look.
Kevin Mckinsey - worked at atari 8 years. designed the classic atari 400 and 800 cases. also 810 drive?
Tom Palecki - worked for Kevin, designed the atari 1050 drive, 1029 printer, and atari touch tablet
regan, kevin, and tom are definitely around and online. might be interesting to get kevin and tom on a dual interview. maybe all three?
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Besides, it had nothing to do with the mic. Rob told me at the beginning of the interview that he had poor Internet connectivity and that Skype would likely not do well.
Thank you for the interview comments. Rob made an easy and great interview
Sent from my iPhone using Tapatalk
it definitely has too much bass. rob is a lot more intelligible with some eq.
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Rob Zdybel, Bug Hunt, Atari 5200 OS, Missile Command, Atari 850 interface and much more
http://ataripodcast.libsyn.com/antic-interview-184-rob-zdybel-star-trek-missile-command-bug-hunt
really great job done by the interviewer. good research made for good questions. maybe it was mostly rob but the interview felt very natural.
one nitpick - this has very bad audio quality. clipping, way too much bass, and bad room echo. have we considered sending proper mics to the interviewees ahead of time?
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a8rawconv, a new raw disk conversion utility
in Atari 8-Bit Computers
Posted
would sourceforge work? gitlab? self hosted gitbucket?
i'd like to add native greaseweazle hardware support to a8rawconv like it supports supercard pro hardware natively. a public repo would make that easier.