Ben Eater's 8 bit computer emulator

This is complete ben eater's 8 bit breadboard computer emulator written in C.

Featerus

• Ncurses graphics
• Assembler (You can directly load assembly file)
• Allows to step through each instruction or each clock pulse (each microcode)
• Shows CPU information and memory contents

Installing

Ncurses should be installed. (It is probably already installed.)

git clone https://github.com/kapilpokhrel/eater-8bitemu.git
cd eater-8bitemu
make

Usage

./8bitemu -b binary_file

or

./8bitemu -a assembly_file

Assembler

The current assembler is very simple that also supports label, comment and mathematical expressions. It also report the errors with line number.

Here is the program to multiply 3 and 5:

top:
	lda x
	sub one ; sub subtracts the A from content of given memory address
	jc continue
	lda product
	out
	hlt
continue:
	sta x
	lda product
	add y
	sta product
	jmp top
	0
one:1
product:0
x:	3
y:	5

TODO

• Complete Emulation with all instruction
• Assembler
• Step through each microcode
• Ncurses Output
• Option to change memory contents and register value.