From what i recall Jim's mapper prerotates the tileset for speed. It would require RAM proportional to how many tiles you had in this case.

Im sure i have it at home, ill look when i finish work.

It works on the same principal as DWedit's mapper, but Jim added layers etc.

EDIT - Didnt calc84maniac write a layered mapper as well?

In the past ive used a 2KB LUT to save on having to rotate each tile byte, basically each combination of 0-255 prerotated. Then just mask out the bits you dont need when copying. You could save on the masking with a 4KB LUT but that might be overkill for the benefit.

Are you taking donations towards the prize? I can paypal you some monies?

I wonder how this will impact battery life?

Star Wars Episode I was the end of Star Wars as we know it.

I look back and to see not only how lame the newer episodes are when compared to the old, but the general difference in the universe.

The arrows move around, i think it starts out where you cant see a wall, but moving around (turning right i think) and you can see it.

Very nice work TheMachine02!

Are you drawing 1 corner and then mirroring?

Wewt! Its out! Great work and congrats on the feature! .

Looking good, have you put any thought into rotations?

Is there an android port of wabbitemu?

They arent the same thing but it might be possible to attempt to replicate some of the functionality. However you are right that there is plenty of opportunity for the OS to kill the interrupt anyway, so not stable indeed.

Custom ROM anyone? .

Looking awesome.

3104: You just lost the game.

That being said, you could possibly make a TSR that chains with the TIOS int? Not sure on the stability of such a thing.

It looks older LCD drivers on older calcs like TI-82/TI-83(+) ran with T6A04/T6A04A @ 120x64 and the newer calcs like the TI-83+SE/TI-84+(SE) ran with the T6K04 which is 128x64.

Would be interesting to see if this applied.

Sadly i dont have too many calcs:

TI-80
TI-81
TI-82
TI-83 * 2
TI-83+
TI-84+SE * 2
TI-Nspire

and ... at work i use a "KADIO KD-100B" 12-digit desk calculator with a fake solar panel :S.