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Alex Janka 2023-02-03 09:15:30 +11:00
parent f759fdd48c
commit 74551afdd8
4 changed files with 623 additions and 1 deletions
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@ -2,18 +2,36 @@
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"downcast-rs",
"libc",
"nix",
"scoped-tls",
"wayland-commons",
"wayland-scanner",
"wayland-sys",
]
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dependencies = [
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"quote",
"xml-rs",
]
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name = "wayland-sys"
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "be12ce1a3c39ec7dba25594b97b42cb3195d54953ddb9d3d95a7c3902bc6e9d4"
dependencies = [
"dlib",
"lazy_static",
"pkg-config",
]
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name = "web-sys"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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"wasm-bindgen",
]
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name = "winapi" name = "winapi"
version = "0.3.9" version = "0.3.9"
@ -332,3 +900,29 @@ name = "windows_x86_64_msvc"
version = "0.42.1" version = "0.42.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
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"pkg-config",
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dependencies = [
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source = "registry+https://github.com/rust-lang/crates.io-index"
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1
Cargo.toml
View file

@ -8,3 +8,4 @@ edition = "2021"
[dependencies] [dependencies]
clap = {version = "4.1.1", features = ["derive"]} clap = {version = "4.1.1", features = ["derive"]}
spin_sleep = "1.1.1" spin_sleep = "1.1.1"
minifb = "0.23"

20
src/main.rs
View file

@ -3,6 +3,7 @@
mod processor; mod processor;
use clap::{ArgGroup, Parser}; use clap::{ArgGroup, Parser};
use minifb::{Window, WindowOptions};
use processor::CPU; use processor::CPU;
use std::{ use std::{
fs, fs,
@ -246,6 +247,9 @@ static mut PAUSE_QUEUED: bool = false;
// static mut VERBOSE: bool = false; // static mut VERBOSE: bool = false;
static VERBOSE: RwLock<bool> = RwLock::new(false); static VERBOSE: RwLock<bool> = RwLock::new(false);
const WIDTH: usize = 160;
const HEIGHT: usize = 144;
fn main() { fn main() {
let args = Args::parse(); let args = Args::parse();
{ {
@ -253,6 +257,20 @@ fn main() {
*v = args.verbose; *v = args.verbose;
} }
let buffer: Vec<u32> = vec![0; WIDTH * HEIGHT];
let mut window = Window::new(
"Test - ESC to exit",
WIDTH,
HEIGHT,
WindowOptions::default(),
)
.unwrap_or_else(|e| {
panic!("{}", e);
});
window.update_with_buffer(&buffer, WIDTH, HEIGHT).unwrap();
let rom: ROM = fs::read(args.rom).expect("Could not load ROM"); let rom: ROM = fs::read(args.rom).expect("Could not load ROM");
let bootrom: ROM = fs::read(args.bootrom).expect("Could not load BootROM"); let bootrom: ROM = fs::read(args.bootrom).expect("Could not load BootROM");
let mut reg = Registers::default(); let mut reg = Registers::default();
@ -267,6 +285,8 @@ fn main() {
last_instruction_addr: 0x0, last_instruction_addr: 0x0,
vblank_timer: 0., vblank_timer: 0.,
vblank_remaining: 0, vblank_remaining: 0,
window,
buffer,
}; };
cpu_ram_init(&mut cpu); cpu_ram_init(&mut cpu);
let mut cycle_num = 0; let mut cycle_num = 0;

7
src/processor/mod.rs
View file

@ -1,5 +1,7 @@
use std::{mem::transmute, time::Duration}; use std::{mem::transmute, time::Duration};
use minifb::Window;
use crate::{processor::instructions::instructions::set, verbose_println, Memory}; use crate::{processor::instructions::instructions::set, verbose_println, Memory};
mod instructions; mod instructions;
@ -25,6 +27,8 @@ pub struct CPU {
pub last_instruction_addr: u16, pub last_instruction_addr: u16,
pub vblank_timer: f64, pub vblank_timer: f64,
pub vblank_remaining: u8, pub vblank_remaining: u8,
pub window: Window,
pub buffer: Vec<u32>,
} }
// Hz // Hz
@ -72,6 +76,7 @@ impl CPU {
if self.vblank_remaining == 0 { if self.vblank_remaining == 0 {
self.memory self.memory
.set(0xFF0F, clear_bit(self.memory.get(0xFF0F), 0)); .set(0xFF0F, clear_bit(self.memory.get(0xFF0F), 0));
self.draw();
} }
} }
@ -97,6 +102,8 @@ impl CPU {
spin_sleep::sleep(Duration::from_secs_f64(secs / SPEEDUP)); spin_sleep::sleep(Duration::from_secs_f64(secs / SPEEDUP));
} }
fn draw(&mut self) {}
fn next_opcode(&mut self) -> u8 { fn next_opcode(&mut self) -> u8 {
let opcode = self.memory.get(self.reg.pc); let opcode = self.memory.get(self.reg.pc);
self.reg.pc = self.reg.pc.wrapping_add(0x1); self.reg.pc = self.reg.pc.wrapping_add(0x1);