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Found 11 results

  1. Here is the problem and solution I posted to the Yahoo Forums a few years ago. Be aware that the CF7/nanoPEB and other devices (ie, disk controllers) use VDP RAM which might not be reserved in emulation/simulation. I didn't specify a FWEB version in my original post, but I am fairly certain I based this on v4.40. IIRC, the v5.0 release is limited to editor and other non-loader files. FWEB PROBLEM OVERVIEW: 1. The CF7+ device stores 8 bytes of volume control data starting at VDP address 0x3ff8. 2. The CF7+ mimics the TI Disk controller, and uses VDP RAM for its IO operations. 3. A TI Disk Controller reserves VDP memory 0x37d8 to 0x3fff. 4. A CF7+ device reserves VDP memory 0x37d1* to 0x3fff. 5. TI and CF7+ both contain a 5 byte header at the beginning of this VDP RAM. When FWEB launches it reads the first available VDP address from location 0x8370. It then re-creates the header in RAM, writes it to VDP, and clears the controller-reserved VDP memory with the exception of the header. In the case of the CF7+, this is 0x37d7 to 0x3fff. Because the CF7+ device uses 8 bytes to keep track of its volume info but does not "hide" them from other programs, FWEB is able to unwittingly create a condition where the CF7+ can no longer find ivolume information. Essentially, the device gets lost and can no longer access disks, creating lockup and "file not found" conditions. FWEB PROBLEM FIX: We need to help FWEB to "properly" set the VDP pointers and inhibit its clearing the CF7+ volume info. To do this, use your favorite file editor to locate the following three HEX strings and modify as directed: 1. Find "1afb 0220 0010" and replace with "1afb 0220 0018" 2. Find "fa94 0220 fdea" and replace with "fa94 0220 fde2" 3. Find "0580 8800 fa94" and replace with "0580 0280 3ff8" All three changes should be located within the same sector. Note: There are THREE files requiring the changes. IIRC they are: FW, UTIL1 (or UT), and LOAD. DSKU 4.2 return to FW problem: After loading FW, DSKU clears PAD Ram from 0x8300 to 0x83C6. Doing so destroys 0x8370, the VDP Disk Buffer Area pointer, which creates a nasty situation for FWEB and the CF7. During powerup the TI sets this value to 0x37d7 (or 0x37cf for compact flash). DSKU 4.2 FIX: Within the file DU (first file) replace "0281 83C6" with "0281 8348". DSKU inhibits interrupts so any in-place ISR should not wreak havoc between loading the file and re-starting FW. (*Edit: 0x73d1 probably should read 0x73d0 to reflect the 8 byte difference)
  2. The NanoPEB & CF7's have been available for a few years, and now after an extended period of time, appear to be back in limited production again. Now in the past, like the present, one of the major drawbacks of the Nano PEB & CF7 has been the lack of an available protective case. Many of us were forced to "kludge" something together for that purpose. Some of our solutions were better than others, and many of them did very little to enhance the look of our individual TI systems. A crappy case is no longer an issue because these new 3D printed cases look pretty nice in my opinion. The video below shows c0d3m4st4's (codemaster's) new 3D printed cases for BOTH units. If you are interested in purchasing one of these neat little cases from c0d3m4st4, just click <<THIS LINK>> and you'll be taken to his thread (which is currently being edited). NOTE(s): There are multiple variants of the NanoPEB and CF7 out in the wild, so be sure to check the photos out to make sure yours in compatible. The builder is a great guy to work with too, so feel free to ask him questions. He's easy to purchase from too as he takes PayPal. P.S. I love my case and it's great to FINALLY have my NanoPEB enclosed.
  3. Just wondering how others are duping copies of their existing TI 5.25" Floppies to volumes used for the nanoPEB? I imagine one way would be to connect the original PEB, then use an RS-232 data transfer to the PC using some software to receive the TI disk and store it on the PC HD. But, I was wondering if there was an easier way? I was looking for a 5.25" USB floppy drive, but apparently noone ever made them (I have a USB 3.5" but obviously not much use for the TI). Are there adapter/sleds that allow 5.25" USB connections to occur? Maybe there is another way that just isn't obvious to me. TIA
  4. Does anyone know how to detect (using assembly languague) if a TI-99/4A console is running with a CF7+/nanopeb ?
  5. Given that questions about the nanoPEB are spread across a number of threads, I figured that a thread for general questions would be in order. The official user's manual doesn't answer some of these questions. I have a couple questions and will ask each in a separate post. Thanks to all for any help. By the way, I have one of the V2 nanoPEBs with the RS-232 port designated as COM1. In another thread, I noted that I have no plans to use the RS-232 port, as all I want to do now is play games in .dsk format. 1. If I only want to play .dsk games with my nanoPEB, what cartridges will I need besides XB and E/A? Do I need Mini Memory for anything? Should I use Disk Manager 2 for deleting files from the CF card?
  6. Hi everyone...so I've got to downsize my collection a bit to make the wife happy so I decided I'm gonna sell my TI-99/4a and accessories. I don't care for eBay so I figured this would be the best place to post for sale. I'm currently at work but I'll post pictures later. What I have: TI-99/4A Silver/black with: -original power adapter -original joysticks (one paddle is broken) -original plastic F-key descriptors, including a ton of blanks. -original cassette drive audio cables (in/out/control jacks) -aftermarket RCA A/V connector -original box (poor condition, see pictures coming soon) General Electric Cassette Player (the kind recommended for the TI-99/4A) nanoPEB with power adapter & 256mb CF card fully working Cartridges w/manuals (some with boxes, will update once I can take pictures): -Munchman -Jawbreaker II -Parsec -Personal Record Keeping Not sure what to price all of this, if I can get $100 for everything I'll be happy, I'll take best offer for individual pieces. Pictures will come this evening, thanks!
  7. As the nanoPEB and CF7+ are no longer available, is there any way to connect a 360k/720k 3.5" floppy drive to the TI-99/4a without dealing with the shipping costs of the PEB? Thanks in advance!
  8. This is my first post here, happy to have found it (thanks Gregory)! The TI-99/4a was my first computer, I spent countless hours on it when I was about 14ish. It was this machine that helped me decide what I wanted to do later in life, Software Engineering. Recently, I brought all my TI stuff down from the attic and have been having a great time going through my stuff but also catching up on a lot that I've missed over the years. I've had so much fun, I decided to create a video series on the TI-99/4a, below is the first episode : TI 99/4a Home Computer - Part I https://youtu.be/mFZgnH32Kag I'm working on the second episode, which will likely be much longer. Here's a list of things I'm planning in this next video (or two, depending on how long it turns out in the edit room) : Next Episode ideas 1) Connecting the TI cassette cable to the output jack of a PC/Raspberry Pi to transfer a program to the TI. 2) Connecting the TI via an RCA Cable to an HDMI converter to display on an HD TV 3) Using a nanoPEB to load/run programs 4) Using a null modem cable between an RS-232 port/PC/RPi to transfer data between the two 5) Using the FlashRom99 to run carts Obviously, the next video will get a bit more technical but not so much so that it will be too boring. At least, that's the plan. If you have recommendations for segments you think should be included, please post below. I hope to release Part II here in about a week or two. Please like/subscribe if you enjoy this video. I won't be shy, I'd like to someday be able to monetize my YouTube videos such that it can help fund my addiction to technology ps. I also have a Wagner's TechTalk page https://www.facebook.com/jwagnertech . There I have videos about building RPi arcade cabinets, a custom robot my son and I built, an LED face for Alexa (works via bluetooth), etc.
  9. I just got a nanoPEB and I was looking for the documentation for it. I found this is the site for the nanoPEB and CF7+ http://webpages.charter.net/nanopeb/but It doesn't appear to be up at the moment. I keep checking it but it hasn't come back up. Does anybody have the nanoPEB user manual? And the other software that was hosted at that site? Like CFMGR.
  10. Just got a CF7+, like it. But, it seems to act flaky loading binaries when attached through my speech synthesizer. I have seen mixed comments on if the CF7 is compatible with the speech module. One guy has a web page on how to bypass ( http://gtello.pagesperso-orange.fr/ti99_e.htm ) it while I have seen pictures of people having their CF7 attached through the speech module fine. P.S. someone else also commenting on issues loading binaries http://newsgroups.derkeiler.com/Archive/Comp/comp.sys.ti/2008-11/msg00003.html Any thoughts.
  11. For those who still prefer to purchase on eBay, i've moved all my 3D printed stuff to a new account: c0d3m4st4_3d The other account was shared with a friend, and we were short of free monthly listings, so i decided to move all my 3D printed stuff to a new one Same items, support, quality and communication, only low feedback for now.. hopefully that will change soon http://www.ebay.es/usr/c0d3m4st4_3d IMPORTANT NOTES: UPDATE: seems transit times to the U.S. are shorter now (finally!), still not as fast as last year, but all parcels should be there in 15 days max, let me know if not received in 15 days after i send you the tracking number. - Shipping to Mexico and South America, absolutely at your own risk. Unacceptable customs delays in most cases, and some unexpected returns for no reason. If returned (safe, of course) i will only refund 80% of the item cost, but won't refund the postage cost. If declared lost, i will only refund whatever compensation the Spanish postal service offers (this is the amount payed for postage + a small compensation). - U.S. buyers can purchase from www.arcadeshopper.com when he has stock available Hey there. Some of you may already know me or even purchased from me on eBay or the Ti99 forum. I'm listing here all my 3D printed cases from now on offering cheaper prices (item + shipping) than on eBay (no eBay fees, no PayPal fees). Only shipping once or twice a week... mostly mondays and fridays, but not always... (kinda random shipping days ) so please, be patient... max you will wait before getting a tracking number is 5 working days. Please note, due to the manufacturing process (home 3D printing with non-professional equipment) cases might have imperfections here and there... but they will do the job. 3D printing is not comparable with mold injection Payments should be made by PayPal (in euro) using the send money to friends/family option (if you have PayPal funds or bank account linked to your account, if no funds and only credit card linked to your account, final price will be increased in 3.5% + 0.35 which is the PayPal fee). All cases include screws when needed. 3D printed case for FinalGROM 99 - 17.50 euro 4 colours available: green, white, orange and black. Design as pictured (for color options, please check FlashROM 99 case until i get some cases printed in the other colors). All cases include two 3D printed buttons in green and orange colors for the reset buttons (if you prefer them both in the same color, please, let me know when you contact me to purchase). Necessary screws included as usual. This one is for the fully assembled PCB including LED and push buttons. SD card inserts completely in the case... not an inch is left outside. I took the pics with it "ejected" from the socket. 3D printed case for FlashROM 99 - 20 euro --- Ω --- blog entry for this case HERE 4 colours available: green, white, orange and black. Design as pictured. All cases include 3 x 3D printed buttons in different colours, one matching your case, and 2 random ones to test where to sand or cut the plastic post in the button to match your reset switch height. 3D printed case for NanoPEB v1 - 20 euro IMPORTANT: Please double check to make sure your NanoPEB is the same i used to design these cases. Check with these pics, or contact me including a pic of yours to make sure it is the same model if you have any doubt, as i've seen different models of v1 floating around. --- Ω --- blog entry for this case HERE Available in black color only at least for now, i don't have much stock of other color filament. Since it seems there are many versions of these devices, please, check following pictures with measures and exact model to make sure yours will fit in the case. Ask me first if you have any doubt. The rough surface near the switch is caused because this is printed upside down and need a support structure in that area, so first layer is not very well done This is the only way to go to make it easier and faster to print, and getting a plain surface on the front. Slide-in lid to access CF card, works quite well. Please note if you have big fingers you will still have some problems to extract the card properly, you can lift it a bit (there is extra room for that) to make it easier. 3D printed case for CF7 - 20 euro IMPORTANT: Please double check to make sure your CF7 is the same i used to design these cases. Check with these pics, or contact me including a pic of yours to make sure it is the same model if you have any doubt, as i've seen different models floating around. --- Ω --- blog entry for this case HERE Available in black color only at least for now, i don't have much stock of other color filament. Since it seems there are many versions of these devices, please, check following pictures with measures and exact model to make sure yours will fit in the case. Ask me first if you have any doubt. The rough surface near the switch is caused because this is printed upside down and need a support structure in that area, so first layer is not very well done This is the only way to go to make it easier and faster to print, and getting a plain surface on the front. Slide-in lid to access CF card, works quite well. Please note if you have big fingers you will still have some problems to extract the card properly, you can lift it a bit (there is extra room for that) to make it easier. Thanks to schmitzi for sending me CF7 and NanoPEB so a case could be made. 3D printed case for jedimatt42 32K expansion - 15 euro --- Ω --- blog entry for this case HERE 4 different designs for top cover (plain, with logo, plain with window for expansion port, or with logo and window). Snap-in lid to cover the expansion port window in case you don't want to use it for now but you go for the window version for future use). Fits nicely. Will include an extra lid just in case, as it is the weakest part (should be good for normal use, but no doubt it will degrade and fall if you keep inserting/removing it a lot). 3D printed case for Amstrad C4CPC flash cart - 12 euro Mod of the original case to replace the weak tabs with screws and fix text for FDM 3D printers. Available in creamy white color only. 3D printed shell for Turbo Ever Drive v1.x flash cart - 5 euro With or without USB socket. Suitable for PCB revs. 1.x (not suitable for v2!). Available colors: gray, creamy white, orange, dark green. 3D printed case for MATEOS burner / dumper - 9 euro This is a redesign of my previous version. Now with screws. Available colors: gray, creamy white, orange, dark green. Suitable for PCB rev. 1.4 Fully assembled Tapuino - Commodore 64/VIC20/C16 datasette emulator - 50 euro Allows you to load .TAP files (tape backups) directly from a microSD card (not included). You can also save your own programs and copy to/from tape by connecting a real datasette to the port on the back. Fully assembled in a screwless 3D printed compact case. Upgradeable firmware. I can flash it in your desired language (English, Spanish, German, Italian or Turkish). Basic usage instructions included (in English or Spanish only). Professionally made PCB. For C16 compatibility, you need an adapter, which i haven't built, so i haven't really tested C16 compatibility, but it is in the firmware and project docs, so guess it should work. More cases coming soon Shipping cost (everything is shipped from Spain): I always ship boxed, and with tracking number. Sometimes the tracking numbers do not work with some postal services around the world, as i ship as "letter" to keep it cheap, and it seems they don't scan them on arrival, so contact me after 15 days if you haven't received your parcel so i can claim and they can start investigating the issue with your postal service. 2 weeks should be enough to arrive to U.S.A. but it may take up to a month (even more) for Asia and Australia. I ship to most destinations, but not all, so contact me to check if i will ship to your country if not listed below. Postage prices updated on Jan 1st, 2018 - To Japan / Australia / USA / Other countries : Up to 100 grams: 7.50 euro Up to 500 grams: 14 euro - To Europe: Up to 100 grams: 6.50 euro Up to 500 grams: 10.50 euro Feedback: Please, when your items arrive, it will be good if you can leave your feedback here, so everyone knows how i'm doing.Thanks. http://atariage.com/forums/topic/255013-c0d3m4st4/ If you have any problem or question about with your item, contact me first!
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