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Tags: 8 bits
2 Stars     156 Views

Computador 8 bits

Computador 8 bits

The possible instructions are:

  • 0 ADD12
  • 1 SUB34
  • 2 INC56
  • 3 DEC78
  • 4 NOR90
  • 5 AND12
  • 6 XOR12
  • 7 LDV12
  • 8 LDR12
  • 9 STR12
  • 10 BRZ12
  • 11 NOPXX
  • 13 LBL (future)
  • 14 future (probably something display-related)
  • 15 future (probably something display-related)

It is possible to program by writing directly to the keyboard or by loading into program memory, to write to program memory you need to make an assembler first.

Soon I will host this assembler on a website.Subcircuits that I need help with:

  • 8-bit registers (with the option to increment, get value, and save a value).
  • ULA parts of the above instructions
  • Ideas for graphical circuits
  • Or other ideas

If you have any questions, please contact me on telegram: @taffarel55
1 Stars     56 Views

pissbaby CPU

pissbaby CPU

This is a WIP, I am doing this because I have a new computer and I need to branch it to continue, however I will still be using this during school so I will swap between them
2 Stars     60 Views

This is a Hexadecimal ALU with 6 status flags!

UF and OF are underflow and overflow respectivly
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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



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


Oh and also The original B8 got deleted :(
1 Stars     282 Views


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)