MiSTer FPGA Forum

So if I understand it correctly... Currently with the latest core that I posted, if you load a rom, then start another core, or reload this core, it runs the last rom you used in the prior session? Or are you saying that it is not loading the boot.rom image that you have in the games/TI-99_4A folder? The core will always start with a black screen ...

Not working on my mister with 32meg sram. I just get a blank screen I can load roms etc. But nothing once I select them. Works fine with previous versions @Flandango I purchased a larger sram, same issue.. blank scren. i can go into the menu and try and load a rom/grom but never get the title screen.. My MiSTer has a 32MB RAM with MiSTer core &quo...

This is the list of supported sw for SAMS that I haven't included in my previous post...

So, I have been working on getting 512k+ SAMS working on the core. Unfortunatly there aren't enough resources to go above 64k, so I had to use SDRAM. It does have one bug that annoys me because I can't figure out what's wrong, it's with the Disk Manager 3.0 and initializing Disks (DSSD in my case). It will format and after verification it complain...

Although there is a PAL/NTSC switch the console is running in PAL. The Turbo modo is broken in this update (it works in the last official release). Tmop, I am having a hard time getting the official released core to work with Turbo turned on in any version of Extended Basic. Basic works fine, along with a few carts that I tried. Can you verify for...

So, how close are we now to packing-up our real Ti99/4a machines, and sticking to this latest core ? I have a Ti99/4a, Nanopeb, Flashrom99, FinalGrom99, and a PHP2700 Tape Deck. So, I can run pretty-much everything on real hardware. I understand there isn't any tape support, yet, but glad to see disk support finally added. The core status is very ...

@Flandango: many thanks for this update.

@rhester72: yes, we need now to focus on tests with the disk system!

@Flandango. Some other feedback for the latest version of the core: - Old Dark Caves now seems to work fine. I've tested with both versions I have (with fast and normal loaders). I've mounted first the dsk image, then run a full rom with XB. However, I was able also to run it correctly mounting the disk after having loaded XB and it worked; - Displ...

As promised, I've updated my TI99 MegaPack for MiSTer to support the new enhancement from @Flandango (disk support and Paged7 ROMs). I've also inluded the last homebrews published in 2020/2021 ( Escape North Korea, Dodger, Phenix , etc.) and the various disks for Adventure, TOD, Multiplan , etc. Have fun! :D Download from: https://atariage.com/foru...

One note: Mancala, Return to Pirate's Island and Tutankham must be loaded with the following sequence:

1) Load System ROM;
2) Load .C file using C Load Menu;
3) Load .G file using G Load Menu;
4) Load .C file using D Load Menu;

Having analyzed all the MAME dumps, I've arrived at the following: paged16k titles that only work if hand-loaded: Computer War Jumpy Jungle Hunt Ms. Pac-Man Pac-Man Picnic Paranoia Protector II Robotron:2084 Shamus Super Storm paged16k titles that work via pyTIrom: Alligator Mix (also uses GROMs) Barrage Dig Dug Donkey Kong E.T. [PHM 3125] (also u...

@Flandango MBX support would be great! Well, you can already play MBX system games (except the Baseball game) on the TI99 core. However, the ROMs that work are not the "clean" dumps from original carts, due to the special bank scheme used on these carts, but some generated from hacked disk versions. So, this is the reason for the special...

Ok this is weird. Everything works on my end. As for the Cart Type, the menu option was ignored from when I brought over the changes from the Mist core and only just recently removed it from the OSD to clean up a bit. I just started reviewing the original Mist code and I don't see the logic of disabling it especially when MBX banking was implement...

- Display Master (Inscebots, 1986) from XB is not working: I/O error 26 also for this title. Please note that TI-Artist from Inscebots boot fine; - Old Dark Caves 2 has the same I/O error 26 for me, also following your instructions: speech, mount disk first, etc. If you can get me a copy or point me in the right direction for Display Master so I c...

The E/A ones throw up "I/O ERROR CODE 0". Not sure why. I have your "tiroms.bin" from AtariAge (28th May), load it first as Full.bin, then load E/A as G, then mount disk and follow the hints from its name (using capital letters), but always get that error unfortunately. Just send me this disk and I'll try to check what is wrong.

Would love to see one solid, up to date pack, preferably with as much redundant stuff filtered out as possible. Also, if somebody could write up short step-by-step instruction on how to run disks it'd be much appreciated. It's quite easy to load from disks: - if there is a LOAD file in a disk it is loaded in autoboot with Extended Basic. Just moun...

where exactly are the files I need to make the bios? they don't exist in the github. You can download the BIOS+SPEECH ROM+DISK ROM .bin file from https://atariage.com/forums/topic/312655-ti-994a-mister-core/?do=findComment&comment=4832549 (post #19). There is also a full image with the Extended Basic. If you search on previous posts you can al...

Here is another test version of the core. It should now format/initialize Single and Double sided Single Density floppies. The USER LED will light up when the virtual drive motor is spinning. First attempt at NTSC/PAL switching. I still have issues with the Old Dark Caves 2 game. I can get it to load most of the time if I have Speech enabled (5200...

Since there is interest with Tunnels oF Doom and other TI99 games, you can find some manuals (including ToD) in this site: https://pixelpedant.com/ Suggested games to try: Parsec, Munch Man, Big Foot, Demon Attack, the various AtariSoft Games (Donkey Kong, Dig Dug, etc), Popeye, Q*Bert, Frogger, Star Trek. Remember to activate the Speech Synthesize...

Moved everything to SD card and still can't get any disk loaded in ToD. The ToD cart is loaded as a C rom correct? No, ToD is 1 GROM, so you need to load with the _G menu. Note that the file size should be 40K. If you are using my old FULL Rom Image (with TI BIOS) it will not work since the disk ROM was not included when I've created it. You can d...

Thanks for the info Tmop. Yes I couldn't get any of the disk tools to initialize a floppy. Have you managed to get an emulator to initialize a floppy so I can compare cpu <=> floppy controller communications? As for Old Dark Cave disk, it could be the turbo loader and a timing issue with the drive/cpu. I have initialized 2 disks with MAME, one for...

Has anyone tried with their games folder on USB drive? Maybe either the roms or disks won't read correctly from there right now, and why mine isn't working? Moved everything to SD card and still can't get any disk loaded in ToD. The ToD cart is loaded as a C rom correct? No, ToD is 1 GROM, so you need to load with the _G menu. Note that the file s...

Thanks for the info Tmop. Yes I couldn't get any of the disk tools to initialize a floppy. Have you managed to get an emulator to initialize a floppy so I can compare cpu <=> floppy controller communications? As for Old Dark Cave disk, it could be the turbo loader and a timing issue with the drive/cpu. I have initialized 2 disks with MAME, one for...

I only had a problem with Old Dark Caves 2 (1986, Donn Granros) with an IO Error 26 (2 is SEEK OR STEP and 6 is NO DISK/DRIVE or DRIVE NOT READY), but I need to chek with MAME if is a problem of the copy used. Are you using RXB to load it up? If so I found that using Extended Basic works. It seems that the character set is modified and when the ga...

Cool, disk support for the Ti99/4a :) I was able to use Disk Manager 1 and 2 to see the disk catalog. I haven't figured out how to load a program from disk. Help, please :) ok, first grab some disks. There is a pack for MESS TI99 at https://www.ti99iuc.it/web/index.php?pageid=articoli_tech&artid=196#.YLFLoY1xeUk . The disks have in the suffix ...

Here is the rbf file. You will need to include the Disk DSR in your system rom. I used Disk.Bin with MD5 Checksum: 3169cfe66687d5b9ed45a69da5a12817. Just completed some test. The disk support works great! Flandango you have done a great job at the first shoot! :-) These are the tests done: - XB Games Autoload. Tested with some random games: Bandit...

Here is the rbf file. You will need to include the Disk DSR in your system rom. I used Disk.Bin with MD5 Checksum: 3169cfe66687d5b9ed45a69da5a12817. I've got Tunnels of Doom loaded, I've been waiting for this for sooo long on the core! :) Also tested saving/loading game which seems to work. BNlt9X.png Trying to get this done but I think I'm missin...

OK...anyone have a short primer on how to optimally load cartridges? Extended BASIC from MAME/MESS, for example, has 1 C, 1 D, and 4 GROMs. If I load them in order, I get nothing. First _c.bin then _g.bin and _d.bin Thanks - turns out having the GROMs split MESS/MAME-style is no bueno for MiSTer. Found pyTIrom and things are much better! Check the...

Flandango wrote: ↑Thu May 27, 2021 11:49 am Here is the rbf file. You will need to include the Disk DSR in your system rom.
I used Disk.Bin with MD5 Checksum: 3169cfe66687d5b9ed45a69da5a12817.

Many thanks. I'll do some tests in the next days and let you know.

Sorry to butt in unannounced, but I came across a comment or two about the Ti994/a core not having the drive support that the Mist core does. So I figured what better way to learn some fpga development and get familiarized (somewhat) with Quartus then to try to add the floppy feature to the Ti994/a core. Now I never owned the system, nor do I have...