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IntellivisionRevolution Forums » Intellivision » Intellivision Programming » New TutorVision Title!

New TutorVision Title!

5 posters

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1New TutorVision Title! Empty New TutorVision Title! Sat 10 Jul 2021, 11:42 pm

intylab

intylab
Member
Member

Tonight, I demonstrated my latest project - Little Man Computer.  I'll post it on Monday for everyone's enjoyment.  You can catch a recap of the announcement/demonstration video on my Twitch channel.


________________________________________
__________
"They'll never do it in time!"
"The code! The code! Figure out the code!"
"It won't be easy!"
"Cut this out second, this fourth, this first, this third."
https://linktr.ee/intylab

2New TutorVision Title! Empty Re: New TutorVision Title! Mon 12 Jul 2021, 11:13 am

intylab

intylab
Member
Member

I posted Little Man Computer to my website today.

Although this represents my best work to date, I had planned to release it for free, and therefore this isn't intended to be a final "finished product".  I will provide updates where necessary, including tweaking the Little Man graphics and animation scripts.  Anybody who wants to contribute through more rigorous testing, creating a box image, or so on, should feel free to let me know.

Enjoy.


________________________________________
__________
"They'll never do it in time!"
"The code! The code! Figure out the code!"
"It won't be easy!"
"Cut this out second, this fourth, this first, this third."
https://linktr.ee/intylab

3New TutorVision Title! Empty Re: New TutorVision Title! Sat 31 Jul 2021, 11:56 pm

eebuckeye



Looks terrific! Dumb question but what makes it specific to Tutorvision?

intylab likes this post

4New TutorVision Title! Empty Re: New TutorVision Title! Sun 01 Aug 2021, 6:48 am

intylab

intylab
Member
Member

Of the 5 differences between Tutorvision and a standard Intellivision, the one that matters here is that it has 4 times as much Graphics RAM.  Programmers can pre-define 256 tiles, whereas the Intellivision only allows for 64.  Little Man Computer takes full advantage of this in the Simulation screen:

  • 56 tiles for the Little Man animations
  • 8 tiles for the spinning '?' symbol (the cursor)
  • 36 tiles for the decorations around the mailboxes
  • 28 tiles for two letters packed into a single tile
  • 100 tiles for two digits packed into a single tile
  • 10 tiles for a single digit packed on the left side
  • 10 tiles for a single digit packed on the right side
  • 1 tile for the minus sign packed on the left side
  • 5 tiles for the minus sign and one of the digits 1-5
  • 2 tiles for the down and right arrows (the up and left arrows are in Graphics ROM)

Another key difference is that the Graphics ROM is different on a Tutorvision than the original Intellivision.  In particular, the two arrows in Graphics ROM are shaped differently.  The first thing that happens when you start up, before the title screen even appears, is that the program checks for amount of Graphics RAM and which Graphics ROM you're using.  After the title screen, it fetches the appropriate shapes for the down and right arrows to match the up and left arrows.



Last edited by intylab on Sun 01 Aug 2021, 6:54 am; edited 1 time in total (Reason for editing : Typo)


________________________________________
__________
"They'll never do it in time!"
"The code! The code! Figure out the code!"
"It won't be easy!"
"Cut this out second, this fourth, this first, this third."
https://linktr.ee/intylab

5New TutorVision Title! Empty Re: New TutorVision Title! Sat 28 Aug 2021, 4:20 pm

intylab

intylab
Member
Member

I just posted the August 2021 update a couple days ago.  There is now an Addendum with a half dozen practice exercises, plus a few bugfixes, mostly cosmetic.  It's available on my website.


________________________________________
__________
"They'll never do it in time!"
"The code! The code! Figure out the code!"
"It won't be easy!"
"Cut this out second, this fourth, this first, this third."
https://linktr.ee/intylab

6New TutorVision Title! Empty Re: New TutorVision Title! Fri 10 Sep 2021, 1:37 am

Rev

Rev
Admin
Admin

Very cool!

Will you make it work on the regular Intv?


________________________________________
This Revolution will be Intellivised!
http://www.intvrevolution.com

7New TutorVision Title! Empty Re: New TutorVision Title! Fri 10 Sep 2021, 10:39 am

intylab

intylab
Member
Member

It wouldn't be impossible, but it would require such a huge rewrite that I would need to start from scratch. I was considering a version that uses the ECS keyboard for code entry.

In my earlier post, I laid out the use of all 256 GRAM cards that the Tutorvision has available. By itself, the packed digits requires 126 cards (that's including the negative numbers), nearly twice as much as the Intellivision has available. That means I would have to double the width of the "simulation" room and have it scroll, making only some of the mailboxes viewable at a time. That could just about defeat the purpose.

What I could do is reverse the order of the objects, having the Output tape at the far left, followed by the "state", and then the Mailboxes to the right. That would work for the smaller example programs in the instruction manual, if I keep the mailboxes displayed in "XY" order.

For the immediate time being though, my focus is to have a "September 2021 release" ready within the next two weeks. I will have another Addendum with intermediate exercises, and probably one simple bugfix.


________________________________________
__________
"They'll never do it in time!"
"The code! The code! Figure out the code!"
"It won't be easy!"
"Cut this out second, this fourth, this first, this third."
https://linktr.ee/intylab

8New TutorVision Title! Empty Re: New TutorVision Title! Mon 25 Apr 2022, 10:32 am

intylab

intylab
Member
Member

I did finally post another update with an Intermediate Exercises Addedum plus a couple more minor bugfixes. In two weeks, I'll be at RetroGameCon Junior and will exhibit this as well as one of my other recent projects.


________________________________________
__________
"They'll never do it in time!"
"The code! The code! Figure out the code!"
"It won't be easy!"
"Cut this out second, this fourth, this first, this third."
https://linktr.ee/intylab

9New TutorVision Title! Empty Re: New TutorVision Title! Sun 01 May 2022, 3:39 pm

FDR4Prez

FDR4Prez
Rookie
Rookie

intylab wrote:I did finally post another update with an Intermediate Exercises Addedum plus a couple more minor bugfixes.  In two weeks, I'll be at RetroGameCon Junior and will exhibit this as well as one of my other recent projects.

You planning to go to PRGE to exhibit this, too?

intylab likes this post

10New TutorVision Title! Empty Re: New TutorVision Title! Mon 02 May 2022, 9:46 am

intylab

intylab
Member
Member

FDR4Prez wrote:You planning to go to PRGE to exhibit this, too?

I'd love to demo this on original hardware, and I'm sure somebody will be at PRGE who has one of the three or four actual Tutorvisions found so far.  In fact, I just drove round-trip to Chicago this past weekend in the vain hope of finding another Tutorvision myself for RGC Jr. this coming weekend.

As it is, my focus is on RGC Returns in October, and I'm not making any other travel plans.  If I could borrow at least a "Tutor Pro" for one of these events, I'd be happy.  Maybe somebody could take the GRAM chips out of a broken Inty II and add them to a working Inty II to have the same amount the Tutorvision had.  That's all that's needed to run this on an Intellivision.



Last edited by intylab on Mon 02 May 2022, 9:48 am; edited 1 time in total (Reason for editing : Semantic correction)


________________________________________
__________
"They'll never do it in time!"
"The code! The code! Figure out the code!"
"It won't be easy!"
"Cut this out second, this fourth, this first, this third."

FDR4Prez likes this post

https://linktr.ee/intylab

11New TutorVision Title! Empty Re: New TutorVision Title! Thu 19 May 2022, 9:47 am

mdoerty


Rookie
Rookie

Rick Reynolds of the Intellivisionaires had a Super Pro Tutorvision running at CORGS this past weekend. So if he will be at PRGE, he might have that demo unit there too.

intylab likes this post

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