0.1.0 • Published 2 years ago
@sfotty-pie/sfotty v0.1.0
@sfotty-pie/sfotty
Sfotty is a cycle-exact 6502 (Sixty Five Oh Two) emulator that can run on Node.js or in the browser.
Usage
Import Sfotty
from the @sfotty-pie/sfotty
package and create a new instance with new Sfotty(memory)
where memory
is an object implementing the Memory
interface:
interface Memory {
read(address: number): number;
write(address: number, value: number): void;
}
The CPU starts with a pending reset interrupt. You can execute instructions by repeatedly calling run()
. The crashed
property returns true
if the CPU crashes (by executing an undefined opcode).
Ideas for future versions
- Serialize/deserialize CPU state
- Implement undocumented NMOS instructions
- Implement CMOS (65C02) instruction set
0.1.0
2 years ago