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I have always been interested in CPU architecture. In order to understand better how a CPU internally works I decided to design and build my own computer just using discrete logic. For many people this might sound as a lost of time... but some people entertain themselves with sudokus! :)

TH-C01

Full details of TH-C01

Definition

• 8 bit ALU
• 8 bit Data bus
• 16 bit Address bus (MAX 64k bytes RAM)
• 8 x 8 bit registers (R0..R7) + (R6+R7 as address pointer)
• Dedicated Stack Pointer
• Dedicated PC
• Interruption control
• Expected 100 Khz
• RISC-like architecture with 3 to 5 cycles per operation

STATUS

• Definition: Finished
• Design: Final Design
• Implementation: Early Implementation
• Tools:
  • Assembler: Started

TH-C02

Definition

• 24 bit ALU
• 24 bit Data bus
• 24 bit Address bus
• RISC architecture
• Pipelining

STATUS

• Design:
• Implementation:
• Tools:
  • Assembler
  • Compiler