▲ 11 r/buildaboatfortreasure+1 crossposts

[WIP] 8 Bit CPU

This is a CPU that is still in progress, current completed parts are ALU and register.

The register have 8 files (R0-R7), each is 8 bits. The register can hold total of 64 bits, or 8 bytes.

ALU support ADD SUB AND OR XOR NOR NAND XNOR, used MUX to select final output from ALU.

https://preview.redd.it/769krx86x5kh1.png?width=3420&format=png&auto=webp&s=355470359464c12d7a86551cfb875b0fec194189

https://preview.redd.it/swic3y86x5kh1.png?width=3420&format=png&auto=webp&s=e2dd857540b02bcd5adbc10193e908f2854dc821

https://preview.redd.it/9odr1796x5kh1.png?width=3420&format=png&auto=webp&s=bcb4cda59a710ff4fb19624ec32d347a87381215

opcodes for selectors:
ALU MUX opcodes:

000 ADD

001 SUB

010 AND

011 OR

100 XOR

101 NAND

110 NOR

111 XNOR

Register opcodes:

000 R0

001 R1

010 R2

011 R3

100 R4

101 R5

110 R6

111 R7

Write in (to register) opcodes:

0 Manual/external input

1 ALU outputs

u/Lazy_D3v — 1 day ago

Trying to create replica of QVB in Bloxburg! (WIP)

I'm currently trying to build the QVB (Queen Victoria Building) from Sydney. Currently it have a cafe, clock, some shops done, and part of exterior is done. It is still unfinished build. Hope you like it!

u/Lazy_D3v — 5 days ago