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// SPDX-License-Identifier: AGPL-3.0-or-later
//! 6502 Emulator written in Rust. Based off of information from Dave's playlist
//! <https://www.youtube.com/playlist?list=PLLwK93hM93Z13TRzPx9JqTIn33feefl37>
//! using the now defunct obelisk 6502 documentation.
//!
//! Many comments are sourced from the Obelisk 6502 documentation
//! <https://web.archive.org/web/20210501031403/http://www.obelisk.me.uk/index.html>
mod cpu;
mod instruction;
mod memory;
use tracing::level_filters::LevelFilter;
use cpu::Cpu;
use memory::Memory;
fn main() {
tracing_subscriber::fmt()
.with_max_level(LevelFilter::TRACE)
.init();
let mut cpu = Cpu::new();
let mut memory = Memory::new();
cpu.reset(&mut memory);
// little program
if let Some(opcode) = memory.data.get_mut(0xFFFC) {
*opcode = 0x20;
}
if let Some(opcode) = memory.data.get_mut(0xFFFD) {
*opcode = 0x42;
}
if let Some(opcode) = memory.data.get_mut(0xFFFE) {
*opcode = 0x42;
}
if let Some(opcode) = memory.data.get_mut(0x4242) {
*opcode = 0xA9;
}
if let Some(opcode) = memory.data.get_mut(0x4243) {
*opcode = 0x84;
}
// end program
cpu.execute(9, &mut memory);
}
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