Chameleon CPU 🦎⚡

An 8-bit CPU designed from scratch by Umesh Penkey (JNTUACEK)

Current Status

• ALU — Complete ✅
• Registers
• Control Unit
• Program Counter
• Complete CPU

ALU Features

• 17 operations via 5-bit OpCode
• Arithmetic: ADD, ADC, SUB, SBB, ONC, TWC
• Logic: AND, OR, XOR, XNOR
• Shifts: LSL, LSR, ASR
• Rotates: ROL, ROR, RCL, RCR
• Flags: Zero, Negative, Overflow, Carry

Tools Used

• Logisim Evolution
• Icarus Verilog
• GTKWave
• VSCode on Fedora Linux