mr_me Posted March 26, 2017 Share Posted March 26, 2017 Correct, no graphics. Jzintv dumps a couple of crash files. It probably does the same with the standard 512B gram. It is an older jzintv with a known obscure bug, but that probably won't make a difference. 1 Quote Link to comment Share on other sites More sharing options...
decle Posted March 27, 2017 Share Posted March 27, 2017 Hi, The reason for the crash is that early in on in the initialisation both games dive off to $24B0. This is one of approximately 50 addresses in the range $2000-2fff used by the games, and is where Joe believes the Tutorvision EXEC (the WBEXEC) is located. The ECS also maps a ROM to this range, which might mean that the TutorVision is not compatible with it. It depends whether the paging of the WBEXEC is set up appropriately. For the curious. if you try to use the ECS ROM in place of the WBEXEC you get a green screen. The game does not cause the CPU to crash, but does nothing useful. So, in order to play these games we will need the WBEXEC ROM dump and probably a small tweak to Jzintv to place it correctly in the memory map. Looking forward to the next installment. decle 8 Quote Link to comment Share on other sites More sharing options...
+nanochess Posted March 28, 2017 Share Posted March 28, 2017 This program should serve to dump the WBEXEC ROM if it's located at address $2000 and if it's compatible with LTO-Flash to load this program. ' ' Dump the Intellivision EXEC ROM ' by Oscar Toledo G. ' http://nanochess.org/ ' '#base_address = $1000 ' Common EXEC address #base_address = $2000 ' WBEXEC address main_loop: PRINT AT 0 rows = 0 WHILE rows < 12 #c = #base_address GOSUB show_hex16 #c = PEEK(#base_address) #base_address = #base_address + 1 GOSUB show_hex16 #c = PEEK(#base_address) #base_address = #base_address + 1 GOSUB show_hex16 #c = PEEK(#base_address) #base_address = #base_address + 1 GOSUB show_hex16 rows = rows + 1 WEND WHILE cont.key = 12: WAIT: WEND WHILE cont.key <> 12: WAIT: WEND GOTO main_loop show_hex16: PROCEDURE c = #c / 4096 AND 15 GOSUB show_hex c = #c / 256 AND 15 GOSUB show_hex c = #c / 16 AND 15 GOSUB show_hex c = #c AND 15 GOSUB show_hex PRINT 0 END show_hex: PROCEDURE c = c + $10 IF c > $19 THEN c = c + $07 PRINT c * 8 + 7 END dumper.rom 2 Quote Link to comment Share on other sites More sharing options...
mr_me Posted March 28, 2017 Share Posted March 28, 2017 Nice. Can the data be stored on the ltoflash and read later? Quote Link to comment Share on other sites More sharing options...
+stupus Posted April 9, 2017 Share Posted April 9, 2017 The world book tutorvision system exec and grom were successfully dumped last night at Midwest gaming classic by Frank Palazzola. Joe Z. also came to the show and already has the 2 games working in an emulator I streamed the dumping, I will post a link soon. Really cool to have this last piece of intellivision preserved! 6 Quote Link to comment Share on other sites More sharing options...
+cmart604 Posted April 9, 2017 Share Posted April 9, 2017 The world book tutorvision system exec and grom were successfully dumped last night at Midwest gaming classic by Frank Palazzola. Joe Z. also came to the show and already has the 2 games working in an emulator I streamed the dumping, I will post a link soon. Really cool to have this last piece of intellivision preserved! Awesome! Very cool! Also, your avatar is funny as hell. ? 1 Quote Link to comment Share on other sites More sharing options...
+Gunoz Posted April 9, 2017 Share Posted April 9, 2017 Nice job Frank & Joe! Quote Link to comment Share on other sites More sharing options...
intvnut Posted April 9, 2017 Share Posted April 9, 2017 Nice. Can the data be stored on the ltoflash and read later? It could, but it wasn't necessary. I wrote a small debugger stub that Frank used with his python-based tools to extract the ROM via the built-in serial cable. As I mentioned to others here at the show, I have a reverse engineering document with lots of details in it that were gleaned not just from Chuck's system, but also SavannahLion's non-functional board mentioned here. That board may be part of my collection now. Here's a literal snapshot of my schematic work-in-progress that's been cooking the last several days. I wanted to be sure there wouldn't be any gotchas when Frank was on Chuck's machine. We were doing our homework behind the scenes. 9 Quote Link to comment Share on other sites More sharing options...
JoeM_Intellivision Posted April 9, 2017 Share Posted April 9, 2017 Nice job - very impressive! I don't understand ANY of it but can appreciate all the brain power behind it. Thumbs up to Joe and everyone involved!! 1 Quote Link to comment Share on other sites More sharing options...
+intellivotion Posted April 9, 2017 Share Posted April 9, 2017 ditto as Joe said above, including the part of the complete lack of understanding the technicalities Quote Link to comment Share on other sites More sharing options...
m-crew Posted April 9, 2017 Share Posted April 9, 2017 Nice job - very impressive! I don't understand ANY of it but can appreciate all the brain power behind it. Thumbs up to Joe and everyone involved!! that about sums it up for me as well. lol Quote Link to comment Share on other sites More sharing options...
mr_me Posted April 9, 2017 Share Posted April 9, 2017 Thanks to Frank, Joe, Chuck, and Stupus. I have a couple of questions. Do we know if the extra system ram is usable? Can the Tutorvision turn on/off the extra GRAM? Quote Link to comment Share on other sites More sharing options...
intvdave Posted April 9, 2017 Share Posted April 9, 2017 Joe Z. also came to the show and already has the 2 games working in an emulator Is there a chance that the working emulator will be released? Quote Link to comment Share on other sites More sharing options...
intvnut Posted April 9, 2017 Share Posted April 9, 2017 Do we know if the extra system ram is usable? All indications are yes. There is 16-bit RAM from $200 - $4FF. Can the Tutorvision turn on/off the extra GRAM? It appears no. This also means it is incompatible with some games. Quote Link to comment Share on other sites More sharing options...
Rev Posted April 9, 2017 Share Posted April 9, 2017 All indications are yes. There is 16-bit RAM from $200 - $4FF. It appears no. This also means it is incompatible with some games. With some of the 125 games? Theoretically, could you take the Exec that was dumped, and populate a newly designed PCB and effectively produce more Tutorvisions? Or take existing Intellivision PCBS and install some new chips or RAM (forgive my terminology) and do it that way? Quote Link to comment Share on other sites More sharing options...
intvdave Posted April 9, 2017 Share Posted April 9, 2017 All indications are yes. There is 16-bit RAM from $200 - $4FF. Joe, will you release your emulator that allows the Tutorvision games to be run? Quote Link to comment Share on other sites More sharing options...
mr_me Posted April 9, 2017 Share Posted April 9, 2017 (edited) With some of the 125 games? Theoretically, could you take the Exec that was dumped, and populate a newly designed PCB and effectively produce more Tutorvisions? Or take existing Intellivision PCBS and install some new chips or RAM (forgive my terminology) and do it that way? This fpga project might be an option to make a Tutorvision. http://atariage.com/forums/topic/262768-new-intellivision-console-and-flash-cart Edit: and this http://atariage.com/forums/topic/264198-my-first-foray-into-vhdl Joe, will you release your emulator that allows the Tutorvision games to be run?Decle's modified jzintv might work. You'd still need the Revised EXec either way. Edited April 9, 2017 by mr_me Quote Link to comment Share on other sites More sharing options...
Rev Posted April 9, 2017 Share Posted April 9, 2017 This fpga project might be an option to make a Tutorvision. http://atariage.com/forums/topic/262768-new-intellivision-console-and-flash-cart/?do=findComment&comment=3733878 Decle's modified jzintv might work. You'd still need the Revised EXec either way. https://en.m.wikipedia.org/wiki/Field-programmable_gate_array Is there a standard one to use for this type of application.... or is there a ton of manufacturers of these. Quote Link to comment Share on other sites More sharing options...
+cmart604 Posted April 9, 2017 Share Posted April 9, 2017 Lemme just answer the question that everyone is wondering about....yes Rev already has 7 programmers working on Tuturvision games and yes, he does already have the box design art mocked up. Quote Link to comment Share on other sites More sharing options...
Rev Posted April 9, 2017 Share Posted April 9, 2017 Lemme just answer the question that everyone is wondering about....yes Rev already has 7 programmers working on Tuturvision games and yes, he does already have the box design art mocked up. Ha, no. More curious than anything. I'm sure any Tutorvision game could be remade from scratch for Intellivision anyway right? But its all learning games right? We need a math shooter or spelling side scroller. :-) Quote Link to comment Share on other sites More sharing options...
mr_me Posted April 9, 2017 Share Posted April 9, 2017 Ha, no. More curious than anything. I'm sure any Tutorvision game could be remade from scratch for Intellivision anyway right? ... With a standard Intellivision you'd only get the small text on about 25% of the screen, or about three full lines of text. Quote Link to comment Share on other sites More sharing options...
intvdave Posted April 9, 2017 Share Posted April 9, 2017 Decle's modified jzintv might work. You'd still need the Revised EXec either way. Do you know where I can download Decle's modified jzIntv? I was hoping Joe would release his emulator since he already has it working. I am not asking for the new EXEC and GROM, just the emulator. Quote Link to comment Share on other sites More sharing options...
intvnut Posted April 9, 2017 Share Posted April 9, 2017 (edited) I was hoping Joe would release his emulator since he already has it working. Calm down. I'm still at MGC. I won't be able to release anything until I'm back in California. It'll be a couple days. decle's modified jzIntv won't cut it. Other changes are required. (Not many, but still.) Edited April 9, 2017 by intvnut Quote Link to comment Share on other sites More sharing options...
mr_me Posted April 9, 2017 Share Posted April 9, 2017 (edited) Decle's modifications posted here. http://atariage.com/forums/topic/69242-intellivision-tutorvision-found-wgames/?p=3726433 I don't know if jzintv has to be modified to handle the larger exec. If tutorvision games need more ram, i was thinking it could be defined with a cfg file. Is there anything else different? Edit: yes, just read intvnut's post Edited April 9, 2017 by mr_me Quote Link to comment Share on other sites More sharing options...
decle Posted April 9, 2017 Share Posted April 9, 2017 (edited) Decle's modifications posted here. http://atariage.com/forums/topic/69242-intellivision-tutorvision-found-wgames/?p=3726433 I don't know if jzintv has to be modified to handle the larger exec. If tutorvision games need more ram, i was thinking it could be defined with a cfg file. Is there anything else different? Hey Guys, As I later described here, and as Joe says, these changes are not enough to do anything meaningful with the Tutorvision games. It is best just to be patient. Waiting for Joe, Frank and Stupus to get things sorted will ensure you don't waste time on pointless wild goose chases. After all, we've not been able to play these games for nearly 30 years, a little longer will not make any difference. Cheers decle Edited April 9, 2017 by decle Quote Link to comment Share on other sites More sharing options...
Like us on Facebook
Follow us on Twitter
AtariAge on Instagram
Watch us on YouTube
Chat on Discord
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.