I'm making an 8-bit computer. It won't be like your average computer; no screen or keyboard. Instead it has 8 switches and 3 buttons for input, and 16 LEDs for output. 8 LEDs show the current address you are looking at, and the next 8 show the data in the address. The computer has 256 bytes of RAM. Since the programs are stored in RAM, and the only way to store data is to edit RAM, the program can re-program itself There are no registers, instead everything is done with direct RAM addresses. To edit RAM, you put in an address in the 8 switches then hit the ADDR button, which changes the currently open address to the one on the switches. You can press the STORE button to store the number on the switches into the currently open address. The RUN button starts the program from the currently viewed address. I'm not finished with this, I'm still writing the programming, but I do actually have everything breadboarded. It will all be run with a PIC18F46K20 processor. I know it's a bit overkill to use a powerful processor, but it's nice to have four 8-pin ports.

So I have a question for you all: since the programs are stored in RAM, when you turn off the computer, everything in RAM is lost. The PIC processor I am using has an internal EEPROM. When the computer shuts off, should I auto- backup the RAM  to the EEPROM, and then load the EEPROM contents into RAM when the computer is turned back on? Or not? Or maybe do it some other way?

Here  is the planned assembly language for the SP-10 computer; try writing neat programs! When I have the system finished, I will run your guys' programs and make videos of them!
In this table, X and Y just represent arguments.
The table is here (UPDATED TABLE!!) : http://withg.org/spyro543/sp10/index.htm

Youtube Video:

Ooh so these are fun leetle things for programmers to challenge themselves with? I'll definitely look into this!

I've had some major troubles writing even math programs with the Nspire's basic. I was almost always able to make the program in question work on my Casio calc, or even my PIC18F46K20 processor. Maybe I just don't know enough about the Nspires...?

I've finished block breaking. Now the HUD at the top of the screen has a purpose!!! I'm also working on building, but I'm getting some nasty  bugs.

Yes there will be. I'm planning for the filled diamond shape to be coal and the empty diamond shape to be iron ore. Crafting and smelting will actually be pretty easy to implement (horray for matrices).

With that 15-minute thing I was just trying to make a point about the variations between fx-basic and nspire-basic (as in, how the fx-basic lets you do tons of stuff easily and the nspire-basic not as much so (in some things)).

First off, here's my code:
In The code, you'll see me writing [] and (). These correspond to the filled square character and the empty square character.
{7,21}->Dim Mat C
Fill(0, Mat C)
1->X
RanInt#(3,6)->Y
0->A
0->B
0->K
While X<22
Y+RanInt#(-1,1)->Y
If Y>7
Then 7->Y
IfEnd
If Y<2
Then 2->Y
IfEnd
Locate X,Y,"()"
1->Mat C[Y,X]
For Y+1->I to 7 Step 1
Locate X,I,"[]"
2->Mat C[Y,X]
Next
X+1->X
WhileEnd
Locate 1,2,"I"
9->Mat C[2,1]
1->X
2->Y
While K!=47
Locate 1,1,"()"
Locate 2,1,A
Locate 6,1,B
Locate 5,1,"[]"
If Mat C[Y+1,X]=0
Then Locate X,Y," "
0->Mat C[Y,X]
Y+1->Y
9->Mat C[Y,X]
Locate X,Y,"I"
IfEnd
Getkey->K
If K=38 And X>1 And Mat C[Y,X+1]=0
Then 0->Mat C[Y,X+1]
Locate X,Y," "
X+1->X
9->Mat C[Y,X]
Locate X,Y,"I"
IfEnd
If K=27 And X<27 And Mat C[Y,X-1]=0
Then 0->Mat C[Y,X-1]
Locate X,Y," "
X-1->X
9->Mat C[Y,X]
Locate X,Y,"I"
IfEnd
WhileEnd

I hand-typed this code while looking at my calc screen so if you see any weird typing mistakes just ignore them

This is a world generation program that I will be using for my secret project (even though it's not so secret, because you now see my source code )

I'm getting ARGUMENT ERROR at the line that says:
If K=27 And X<27 And Mat C[Y,X-1]=0
What is going on here? Everything should be OK...

Also, everything else works fine, the world generator and the player falling mechanism.

I think FA-124 has a screen receiving function, right? Also what's so good about my camera? It's just my iPad camera.