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kl99

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kl99 last won the day on August 24 2019

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  1. Today feels quite late for Europe time. Tha is midnight towards Monday.
  2. Interesting that this device features redefining characters via CALL CHAR, which is not possible in the TI BASIC for the 99/2.
  3. It really sounds like a nice project. Can you confirm the following assumptions: The 24K GROM can only be permanently "programmed" via some controller. "GRAM" writability is working during runtime, but when the TI is turned off, only the originally "programmed" 24K GROM content is served again. I can imagine this being used as well for projects to - restore a 99/4 with broken or missing GROM chips - restore a 99/8 with broken or missing GROM chips - extend a 99/8 with support for P-CODE (since this is only a GROM board extension) - update a 99/8 which is not on the latest system software (remember, we used the one from Ciro's machine for preservation purposes). - usage for hardware projects like TI(ny)-99 - aren't Speech Modules (the canceled extension modules) in fact GROM chips? (here are some pics of a Speech Synthesizer with the interface, basically it is only a soldered port http://www.ti99.eu/?page_id=1705&lang=en ) And the modules exist for other TI products. Is it meant to be followed by a similar thing for "programmable"/writable ROM chips?
  4. Congrats Rasmus. Saw the videos already. You really impress us. Regarding ideas on the pic: The big blue background area above the two paddles could be turned into a blue TI logo.
  5. welcome to the owners group here is mine http://www.ti99.eu/?page_id=4416&lang=en
  6. The console is labeled "TEXAS INSTRUMENTS FAMILY COMPUTER 99/4A". Very nice!
  7. Hi Guys! I was able to reach Berry by his phone number on Saturday. He was in a hospital for some treatment while we talked. The treatment is taking lots of his time. And most obviously he showed sadness, that his health status is still keeping him from doing any travel activity. I tried to provide the message, that he has friends which also care about him, if he can't travel, if he can't join any meetings, or can't talk TI. If you read this, his birthday is around these days, a perfect time to get in touch with him and to have a nice chat! Let's show Berry we all think of him! Pm me if you need the phone number.
  8. Sounds like yet more improvements. Very nice You mentioned that now you need to introduce delays at the right places. I wonder if you can automize that step by adding an optional delay based on an input value you get for it when doing the CALL RUN command. If set, you delay the execution between each LINE by the provided delay time. Having a generic option like this would allow you to test many more TI Basic Programs without having to think on each where delays are needed. This might not be needed in the final interpreter but might save you a lot of time while tweaking it for compatibility. Have some nice christmas holidays
  9. https://coolnovelties.co.uk/coolnovelties/texas-instruments-ti-994a/95-texas-instruments-ti-99-4a-component-video-cable-euro-models.html what about this one? below shop used to sell a component cable for the pal ti-99, but they removed it from their online store due to complaints because consumers thought it is a YUV cable working with every tv in the world. you might still get one, if you send a mail and tell them you are aware of potential compatibility issues. https://www.retrocomputershack.com/RCS-Website/Products-Page/index.html In the end there is not much magic inside the cable, no diodes or logic, simple 6 pin to 5 indiviual plugs. Your new monitor (yes!) has SCART input as well or only BNC? There is the italian mini PAL RGB device you could use for RGB.
  10. thanks for all this hard work mizapf. this is wonderful preservation efforts on our beloved machines and accessories
  11. Geneve is doing a good job when it comes to run 99/4(A) software. Can't we take their approach? I guess to go beyond some boundaries one would need to rewrite the Monitor&GPL Interpreter. If it comes to replace that all GPL code is coming via one Grom Read Port, same for Video Ram. There could be a 99/4a mode and a full 16 bit machine mode. A FPGA based unit could offer these seamless towards the user.
  12. This is interesting, would this approach also allow a Basic or GPL debugger on the currently running Basic? That might also be a nice function for this.
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