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Found 3 results

  1. A bit back I had these MAME/MESS packages posted on ti99resources.wordpress.com/ but decided with the limited space I have on that website to just concentrate on the TI-99/4 and TI-99/4a. So I posted them to an Atariage thread. But since things, over time, tend to get lost in those threads I'm re-posting them here with updates. Notes: The .zip files come with everything you need to get the MAME/MESS emulator up and going except the current MAME/MESS. The emulator has been tested with MAME/MESS .235 and works down to version .225. get MAME here: https://www.mamedev.org/release.html and MESS here: https://messui.1emulation.com/ MESS is just MAME with the top menus put back. I have the ROMS, CFGs and INIs in a MESS directory you will need to copy into your MAME/MESS so that the emulators will work. Be sure to keep the name of the MAME/MESS directory as MESS so that the execution batch file will work. The emulated computers: Tomy Tutor - Cassette and cartridge only. Myarc Geneve 9640 - I have it booting into 2 hard drives. There is a lot more related files in other hard drives in archive. Myarc MyXBII - also boots to a hard drive. P-Card - Boots a boot floppy. Be sure to have the switch for the P-Card turned on in the switches. Only use the disk created to the p-card I have included. others may not work. TI-99/8 - Boots to floppy. Only use the blank SSSD & DSSD disk I have included as others may not work. This is a resource intensive emulator with using the Hexbus; I5 or better. TI-99/2 - Cassette only. Stick with the way I have it set up & don't use the MAME/MESS configurations of the Hexbus & the 32k memory expansion. Both I have had issues with errors on the 99/2. After all, who needs more than 4k anyway. So here you go, have fun. HLO TI99_Geneve.zip TI99_MyXBII.zip TI99 PCard.zip TI99-2.zip TI99-8.zip Tomy Tutor.zip
  2. MAME TI 99-8 & TI 99-2 full usable download I have put together a workable MAME TI 99-2 & TI 99-8 packages. Just download and execute the batch file in the MAME directory. The 99-2 & the 99-8 never made it market for TI but they got fairly far along to the point of workable prototypes and even manuals (download manuals from http://ftp.whtech.com/datasheets%20and%20manuals/ ). The 99-2 works fine as is. It only has 4k of memory, no sound and B/W. Bo sure to use only the disk in the DISK directory. The sectors are different than the standard TI .DSK files. To access the disk use: OLD HEXBUS.101.SOMEFILE to save files use SAVE HEXBUS.101.SOMEFILE (somefile is your file name). there is a small file on the DISK BASIC-proj.DSK (the batch auto loads this disk) named HELLO. To load type OLD HEXBUS.101.HELLO In the batch file I kick off a text file that pops up next to the MAME screen with the 99-2 function keys and a vbs script that turns on the upper-case when the 99-2 starts and turns it of when the 99-2 ends. All this pertains to the 99-8. What is different about the 99-8 is the requirements from the PC. A i5 or i7 is required to work fast enough. I have set the 99-8 to work with my i3 in the batch file by skipping 1/2 the frames with -frameskip 30. If you have a i5 or i7 you can reduce this or eliminate it. Also, to keep the sound from stuttering I have set -audio_latency 34. If you have a faster machine, again, this can be changed of eliminated. I you have a PC slower than a i3, forget about it. Download the latest MAME at https://www.mamedev.org/release.html then add the data from the .ZIP files to the MAME directory. Here are the files: TI99-2.zip TI99-8.zip Have fun, HLO
  3. Announcing a TI-99/2 on a FPGA. It uses an open source FPGA board, the Radiona ULX3S: The board has a GPDI connector that can be used to send video to an HDMI display and this is used by the TI-99/2 implementation. The USB2 connector is used to hook up a PS/2 keyboard. The TI-99/2 uses only a fraction of the board's capacity. It could easily hold a TI-99/4A, or a Geneve or TI-99/8. In fact, it can run a Minimig Amiga or a simple Linux. Unfortunately, the board is currently sold out, but a new production run is planned: https://www.crowdsupply.com/radiona/ulx3s The TI-99/2 code is written in Verilog and can be synthesised using the open source Yosys/NextPNR/Trellis tool chain. The full source code is here: https://gitlab.com/pnru/ti99/tree/master/ti99_2 Output is to the GDPI port and sends an HDMI compatible video stream in VGA resolution (the 256x192 pixel output area is doubled both horizontally and vertically, so each TI-99/2 pixel is 4 VGA pixels). Input is through a PS/2 keyboard (or a PS/2 capable USB keyboard) hooked up to the USB2 port. Cassette I/O and the HEXBUS interface are not implemented. The implementation is of the 32KB ROM version of TI-99/2. The system has been set up with 32KB RAM. All code is plain Verilog and should be easy to port to other FPGA boards. A standard (black&white) VGA signal is generated internally, so it should not be too difficult to run it on a board with a VGA connector. Many thanks to @mizapf and @speccery for their kind help in getting this done. Enjoy!
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