/Q For BASIC and most stuff with Extended BASIC, and anything that used Graphics Programming Language (GPL), the VDP was actually doing most of the work. Q/ ...
The program chides the player for trying to do a LIST, and then it proceeds to scramble the Line Number table so you can't LIST it. Pretty cool. Then in the...
... It provided a layer of abstraction, especially in the area of memory moves (which is what a big part of low-level programming is, anyway). You could...
So "the VDP was actually doing most of the work" for anything without a memory expansion sortof (not just BASIC, Extended BASIC, and anything GPL) ... Do we...
For a system without memory expansion, I think I'd say "yes". Even though you can have ROM/GROM in a cart, you usually didn't have RAM, necessary for storage....
Does the TI-99/4 model with the speaker and volume control have an extra amplifier circuit to drive the speaker, or is it driven direcly from the sound chip? ...
ampli with LM386 the power supply is not a same of all ti99/4 or ti99/4a the ampli card is Has the place of the power supply card in the console jean louis ...
Got the latest demo up, I'm on version 0.25 now. This one should definitely be more fun; you can now freely move around without having to sector-edit the disk....
Woohoo! I'm not doing much of anything, but I'm having a fantastic time! :) The graphics look great, and the movement speed is just right. What a fantastic...
Thanks! The speed being "just right" works out on a standard TI running at 3.00mhz. Right now, there are NO delays whatsoever, so what you're getting is the...
The tms9901 has a clock, which doesn't require an interrupt, IIRC. Check Thierry's site out for code. I never could get it to work, but others have. Much finer...
Hm... looks like it would be VERY tricky to use it. The time to finish map processing is well above 350ms... it's actually measurable in 1/60 increments. One...
... How can it do that when you've just loaded it but haven't yet run it? ____________________________________________________________________________________ ...
It had 64k of RAM, which was expandable to up to 15 megabytes. It used the paged memory system that was eventually adapted and utilized by the SAMS card. Adam ...
Yes, it gets tricky if you want to use its interrupt feature. But if your routine simply polls the clock to see if it should run yet, it would be a lot easier....
Well, it's not a case of "should I run yet", it's "How long did processing take? Do I need to add in an artificial delay?" I can actually kinda fake this. I...
Well, you wouldn't need that tricky interrupt processing here either. Just set the clock to 0 at the beginning and read it when you are done... ... ...
... single/documents/wm.pdf ... I did e-mail Elpac this weekend. They weren't familiar with the Corcomp Micro Expansion System at all. They did, however, refer...
Both of my systems use the following power supply, taken from the label of the power supply: ELPAC (Plug in power supply for TV Game & Computer Peripheral...
My guess is that the author of XHACKER used Barry Traver's XB-PROTECT utility that allows reserved WORDS to be used as Variables. This would explain why I can...
Doesn't seem like we are any closer to nailing down the answer to the original question, which I find fascinating. Yes, what about 1 and 2 and 3??? Kind of...
Or Preparations A through G.... :) ... From: "Tom Wills" <tom@...> To: <ti99-4a@yahoogroups.com> Subject: RE: [TI-99/4A] Why was it called a /4A? Date:...
I hope this will help ELPAC Model No. WM113 Input 120 VAC 60Hz. 22W Output +5 VDC +12VDC -12 VDC The pins are in a DIN 5 Configuration (Half Circle)...
... VERY COOL! My wife was watching and wondered where the music was? ;-) This is very on par with any CRPG I've played, especially ones from the mid to late...
... I don't have the memory for music in-game. Plus, it would get stopped every time the drive ran. Just put on some classical music while you play... I find...
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