THCOMIPS16e

Yet Another Implementation of THCO MIPS16e

Instruction Set

ADDIU ADDIU3 ADDU SUBU

ADDSP

AND OR NOT MOVE

B BEQZ BNEZ

BTEQZ CMP CMPI

JR

LI

LW SW

LW_SP SW_SP MTSP

MTIH MFIH

MFPC

SLL SRA

SLLV SRAV

NOP

Features

Hardware

• Basic ISA
• Extend ISA
• Interrupt
• Extensible internal bus design
• VGA display 640x480 @ 60Hz
• PS/2
• SD card boot
• SD card read/write DMA
• GPIO
• Can execute millions of instructions per second

Software

• Modern Assembler with pseudo-instructions (la, li) support
• POST (power-on self-test)
• PS/2 Keyboard Driver
• A tiny operating system (shell) with Super Cow Powers
• 2048 game
• BadApple animation
• Danmuku (using clock interruption)

References

• SD Specifications Part 1 Physical Layer Simplified Specification
• How to Use MMC/SDC
• VGA Signal Timing

Note

For detailed design, please see: report/report.pdf

Because this is a course project, any plagiarism will be reported to the professor and TAs.