JC16-v2

Hello,

I'm happy to announce the new release of the JC16 CPU as a result of my school project mentored by Steve Furber. We had a lot of interesting ideas together and Mr. Furber contributed many helpful thoughts on how to improve the design which I implemented. New in this release are...

• 8-bit immediates inside of ALU operations
• much better use of all the instruction bits
• a massively improved assembler and assembly language
• so-called "encapsulated operations" inside of ALU operations that run within the same clock cycle
• extended ISA, including a "nop" operation that can also be used as a "mov" interchangeably
• basic parallelization of operations that do not depend on the first operation's result
• a lot of documentation

Have fun checking it out!

v1.0.0

Hello everyone!

This is the first release of the JoltCore Spark 16. It currently features:

• 64K of RAM and ROM
• full 16 bit numbers (only integers) to work with
• a rudimentary ALU with...
  • bit shifting
  • addition/subtraction
  • comparisons
• compact jump instructions like...
  • jump to ROM address only if no carry in the ALU has occured
  • jump to ROM address if the last ALU operation resulted in zero
  • and a few more
• every instruction can be executed from fetch to decode to execute to writeback in just ONE clock cycle!
• 4 input pins, 4 output pins
• 8 general purpose registers
• an assembler
• documentation in Open Document format and PDF

Have fun trying it out! 😊