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project.name
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Everything is working great in this build!  So I will be taking about a week break from this.
Well except single pixel drawing on GPU but more on that later.

I included a Hello World program and a screen clear test program running by default.
But I would love to see what programs people can come up with. So definitely fork this and make your own programs for it, and link them in the comments below!

Also I am working on adding more instructions for the cpu and the gpu, let me know what might be useful in the comments and definitely check my in progress updates below!

I am running into an issue with per pixel drawing giving a contention error which doesn't make sense as i have tested the chip. unless the rgb screen col and row pins are also outputs i don't get what is going on.

For now though i'm taking a break from that and working on implementing some more of the OPs.

Here is a list of instructions. I'll add descriptions soon.
Anything with a * before it is not implemented yet.
0 NOP [0]
1 JMP [1]
2 SETA [10]
3 SETB [11]
4 LDA [100]
5 LDB [101]
6 WRA [110]
7 WRB [111]

*8 IA [1000]
*9 IB [1001]
*10 DA [1010]
*11 DB [1011]
*12 SLA [1100]
*13 SLB [1101]
*14 SRA [1110]
*15 SRB [1111]

16 ADD [1 0000]
17 SUB [1 0001]
18 MUL [1 0010]
19 DIV [1 0011]

20 EQL [1 0100]
21 NEQL [1 0101]
22 GRT [1 0110]
23 LSS [1 0111]
24 GRQL [1 1000]
25 LEQL [1 1001]

26 SSP [1 1010]
27 PUSH [1 1011]
28 POP [1 1100]
29 LTS [1 1101]

*30 PROC [1 1110]
*31 EPROC [1 1111]

32 SAS [10 0000]

project.name
1 Stars     86 Views
User:

Basic GPU

A basic GPU. Here the horizontal offset is connected to a counter that causes the image to permanently move. The screen is 16x8 pixels in size and operates at 1BPP. A vertical offset and possibly sprite capabilities are coming soon.


project.name
0 Stars     20 Views

RECOMMENDED FOR COMPUTERS 

This is the second addition of the B8 Series. Otherwise known as the BURTONABLE 8 256 it is capable of running programs 256 lines long! as well as 7 instructions to use

LDA 0001: Loads the given value into the Accumulator

ADD 0010: The given value will be added to the accumulator

SUB 0011: The given value will be subtracted from the accumulator

OUT 1110: Shows the output of A and B

HALT 1111: Stops all

PRT 0110: Prints a 7 bit ASCII character to the TTY

CLRTTY 0101: Clears the TTY element

DRAW BLACK 1001: Draws the color black to the X (4 bits) and the Y (4 bits)

DRAW WHITE 1011: Draws the color white to the X (4 bits) and the Y (4 bits)

JC 1100: Only jumps up by the given data if 2 negative numbers add up to a positive number

sometimes the codes get corrupted just spam reset a couple times

FUN CODES: To use them, just double click the EEPROM

To retrieve a code just press the save button and then open the dev console (FN + Volume up MAC) or F12 (PC)

To put codes in the EEPROM double click it and paste the code

circle.

2952,2968,2984,2999,2998,2997,2980,2964,2948,2933,2934,2935,1635,1641,1650,1635,1644,1637,3840,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0

I would love to see your codes too so post them in the comments!

THIS VERSION IS OUTDATED HERE IS THE LINK TO THE NEW ONE https://circuitverse.org/users/160624/projects/b8256-v3

Oh and also The original B8 got deleted :(


project.name
0 Stars     9 Views

USE ON A COMPUTER

Same as V2 exempt that there is a Jump if zero command

JO: Jumps if the ALU output is 0

And you can under stand things better!

(these instructions arent done)