Documentation

FPGA, general

• make a new version of the FPGA

CPU

• CPU Implementation
• CPU Instructions
• Opcode Usage
• Memory Map
• Addressing Modes

CPU Clock Divider

• Functional description

UART

• UART register description

SPI Flash Controller

• SPI Flash controller state diagram
• SPI Flash Controller register description

ROM Monitor

• Using ROM Monitor runtime functions from a user program

Loader Application