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GFA Coder
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GFA-Basic (Atari ST)
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Milan 040 question about price evaluation
lp060 replied to indianatigre's topic in Atari ST/TT/Falcon Computers
I bought it just before he stopped selling them. It didn't work unless I opened that configuration dialog and set the options. I assume you tried that though more than once. Also had EDO ram, don't know if that played a roll. -
Milan 040 question about price evaluation
lp060 replied to indianatigre's topic in Atari ST/TT/Falcon Computers
I didn't do anything magical back in the day. All I did was install Odd's drivers/software. 😉 Did have to use Odd's configuration dialog and manually set everything every time I booted as it didn't remember the settings. -
Milan 040 question about price evaluation
lp060 replied to indianatigre's topic in Atari ST/TT/Falcon Computers
I'm not sure how Fredi's numbering scheme worked. I think only Fredi can answer that question. -
Milan 040 question about price evaluation
lp060 replied to indianatigre's topic in Atari ST/TT/Falcon Computers
The hades didn't lose to the PC. It was behind when it started. Production ceased when chips critical to production were no longer available. That's when Fredi decided to stop production. I purchased mine directly from Fredi and about a month or two later I tried to buy another one. He wrote me back and said production stopped due to parts shortages. -
ST Informer Magazines for Archiving
lp060 replied to ballyalley's topic in Atari ST/TT/Falcon Computers
Met David at VCF Midwest back in September. We got to chat for a bit, awesome guy.- 50 replies
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- ST Informer
- Archiving
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(and 1 more)
Tagged with:
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Stopped at your table and talked awhile. Glad we had a chance to meet. Maybe catch ya next year again.
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COSMOS CHRONICLES (ATARI STF/E,MEGA,TT,FALCON)
lp060 replied to drfloyd's topic in Atari ST/TT/Falcon Computers
Typically "moveq #$C8,d0" would be an AES call. This looks like a VDI call. Perhaps he didn't stick entirely to Line-A gfx commands. Either way it does appear to rely on a component of GEM. -
COSMOS CHRONICLES (ATARI STF/E,MEGA,TT,FALCON)
lp060 replied to drfloyd's topic in Atari ST/TT/Falcon Computers
Could be true. Far as I know he used the original GFA which can have AES/VDI calls internally used by various commands. Soon as you use such commands the compiler will include the AES/VDI startup code. In the end the app will then rely on these parts of the OS which of course do not work from the auto folder. I don't have access to the source code, so I'm only guessing. 😉 -
Location of power LED on TT computer
lp060 replied to djglish's topic in Atari ST/TT/Falcon Computers
Not sure if it's the same revision, but might help. The black connector is the power LED in the photo and it's labeled 'J103' on this motherboard. -
Lee Actor was kind enough to exchange some emails with me. He gave permission to put it on github. The original source code is long gone, but the driver has been reconstructed. https://github.com/th-otto/gist
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Benchmarking Atari ST BASIC's (For simple Games)
lp060 replied to derek.john.evans's topic in Atari ST/TT/Falcon Programming
Shouldn't have to do anything special on TOS 4 for a line-a call. I can tell you that gfa does nothing special for line-a calls on TOS 4 because I build the entire gfa library from source code. I'd bet it's something else causing the freeze. The omikron build from your repo also freezes my system, but I see the boxes before it hangs.- 14 replies
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- atari st basic
- gfa basic
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Benchmarking Atari ST BASIC's (For simple Games)
lp060 replied to derek.john.evans's topic in Atari ST/TT/Falcon Programming
The gfa manual is notorious for inaccuracies and typos. I don't have a vintage 520st. That said the gfa build runs on my 040 setup, the omikron build freezes it. Omikron is plagued with lots of other problems, if it don't run the speed means nothing. I fully agree STOS isn't great if one is used to a structured language, but there's lots of extensions that push it beyond it's default abilities.- 14 replies
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- atari st basic
- gfa basic
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Benchmarking Atari ST BASIC's (For simple Games)
lp060 replied to derek.john.evans's topic in Atari ST/TT/Falcon Programming
In GFA random() returns a float which causes extra internal conversion, use rand() for an integer. http://gfabasic.net/stg/gfabasic.htm#RAND This bit of code is not seconds, it's 200th of a second: ti=TIMER ' do some stuff PRINT timer-ti Correct way to get seconds: ti%=TIMER !returns a long ' do some stuff PRINT (TIMER-ti%)/200 http://gfabasic.net/stg/gfabasic.htm#TIMER If you don't need GEM, typical for a game, ARECT will outperform PBOX. http://gfabasic.net/stg/gfabasic.htm#ARECT All coordinates are in word range, perhaps word variables will impact the speed. I can only conclude you didn't read that manual. The test is flawed. I'm not an expert at the other languages, but if this is how you conduct tests perhaps all of them are inconclusive. FYI, GBE supports pointers to procedures with some limits.- 14 replies
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- atari st basic
- gfa basic
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It loads gif, iff, spu, spc, and raw files from the digitizer. Try to stick to 320x200 else it will likely reject them.