Y86 assembler and simulator

About Y86

Y86 is a simplified x86-like instruction set.

8 user-accessible registers:

EAX, ECX, EDX, EBX, ESP, EBP, ESI, EDI

4 states:

AOK, HLT, ADR, INS

Instructions:

halt, nop, rrmovl(cmovXX), irmovl, rmmovl, mrmovl, OPl, jXX, call, ret, pushl, popl

OP: add, sub, and, xor

XX: all, le, l, e, ne, ge, g

ASM file example:

see example

For more details: Chapter 4 of CSAPP

Y86 Assembler

Build:

make Y86asm

Run:

Y86asm <input> [<output>]

use y.out by default if <output> is not specified.

Y86 Simulator

Build:

make Y86sim

Run:

Y86sim <input>

License

MIT License