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5 Commits
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| Author | SHA1 | Date | |
|---|---|---|---|
| 284ebae8fa | |||
| 3775147c84 | |||
| bb57729492 | |||
| 5fdde760ce | |||
| 96ea02db89 |
2
.gitignore
vendored
2
.gitignore
vendored
@@ -1,3 +1,3 @@
|
||||
/target
|
||||
/IBMLogo.ch8
|
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/roms
|
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/.idea
|
||||
|
||||
352
Cargo.lock
generated
352
Cargo.lock
generated
@@ -8,7 +8,9 @@ version = "0.1.0"
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||||
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|
||||
"clap",
|
||||
"clap_derive",
|
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|
||||
"rand",
|
||||
"tao",
|
||||
"tracing",
|
||||
"tracing-subscriber",
|
||||
@@ -23,7 +25,7 @@ dependencies = [
|
||||
"cfg-if",
|
||||
"once_cell",
|
||||
"version_check",
|
||||
"zerocopy",
|
||||
"zerocopy 0.7.35",
|
||||
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|
||||
|
||||
[[package]]
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||||
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@@ -144,6 +168,24 @@ version = "1.4.0"
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||||
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||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
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||||
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||||
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@@ -189,6 +231,12 @@ version = "1.21.0"
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||||
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@@ -226,6 +274,8 @@ version = "1.2.13"
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||||
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||||
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||||
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||||
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|
||||
|
||||
@@ -235,6 +285,15 @@ version = "1.1.0"
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||||
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||||
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||||
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||||
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|
||||
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||||
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|
||||
|
||||
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|
||||
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|
||||
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|
||||
@@ -257,6 +316,17 @@ version = "0.1.1"
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||||
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||||
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||||
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||||
@@ -445,6 +515,49 @@ dependencies = [
|
||||
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||||
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|
||||
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||||
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|
||||
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|
||||
|
||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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||||
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|
||||
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@@ -471,6 +584,12 @@ dependencies = [
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[[package]]
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|
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|
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|
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@@ -717,6 +842,18 @@ dependencies = [
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||||
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|
||||
|
||||
[[package]]
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|
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||||
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||||
|
||||
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|
||||
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|
||||
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|
||||
@@ -807,6 +944,12 @@ dependencies = [
|
||||
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|
||||
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|
||||
|
||||
[[package]]
|
||||
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|
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|
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||||
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|
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|
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|
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|
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|
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|
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|
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|
||||
version = "0.9.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b08f3c9802962f7e1b25113931d94f43ed9725bebc59db9d0c3e9a23b67e15ff"
|
||||
dependencies = [
|
||||
"getrandom",
|
||||
"zerocopy 0.8.18",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "range-alloc"
|
||||
version = "0.1.4"
|
||||
@@ -1884,7 +2158,7 @@ dependencies = [
|
||||
"lazy_static",
|
||||
"libc",
|
||||
"log",
|
||||
"ndk",
|
||||
"ndk 0.9.0",
|
||||
"ndk-context",
|
||||
"ndk-sys 0.6.0+11769913",
|
||||
"objc",
|
||||
@@ -2163,6 +2437,15 @@ dependencies = [
|
||||
"winapi-util",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wasi"
|
||||
version = "0.13.3+wasi-0.2.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "26816d2e1a4a36a2940b96c5296ce403917633dff8f3440e9b236ed6f6bacad2"
|
||||
dependencies = [
|
||||
"wit-bindgen-rt",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wasm-bindgen"
|
||||
version = "0.2.100"
|
||||
@@ -2408,6 +2691,16 @@ dependencies = [
|
||||
"windows-targets 0.52.6",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows"
|
||||
version = "0.54.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9252e5725dbed82865af151df558e754e4a3c2c30818359eb17465f1346a1b49"
|
||||
dependencies = [
|
||||
"windows-core 0.54.0",
|
||||
"windows-targets 0.52.6",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows"
|
||||
version = "0.58.0"
|
||||
@@ -2427,6 +2720,16 @@ dependencies = [
|
||||
"windows-targets 0.52.6",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-core"
|
||||
version = "0.54.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "12661b9c89351d684a50a8a643ce5f608e20243b9fb84687800163429f161d65"
|
||||
dependencies = [
|
||||
"windows-result 0.1.2",
|
||||
"windows-targets 0.52.6",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-core"
|
||||
version = "0.58.0"
|
||||
@@ -2435,7 +2738,7 @@ checksum = "6ba6d44ec8c2591c134257ce647b7ea6b20335bf6379a27dac5f1641fcf59f99"
|
||||
dependencies = [
|
||||
"windows-implement",
|
||||
"windows-interface",
|
||||
"windows-result",
|
||||
"windows-result 0.2.0",
|
||||
"windows-strings",
|
||||
"windows-targets 0.52.6",
|
||||
]
|
||||
@@ -2462,6 +2765,15 @@ dependencies = [
|
||||
"syn 2.0.98",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-result"
|
||||
version = "0.1.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5e383302e8ec8515204254685643de10811af0ed97ea37210dc26fb0032647f8"
|
||||
dependencies = [
|
||||
"windows-targets 0.52.6",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-result"
|
||||
version = "0.2.0"
|
||||
@@ -2477,7 +2789,7 @@ version = "0.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "4cd9b125c486025df0eabcb585e62173c6c9eddcec5d117d3b6e8c30e2ee4d10"
|
||||
dependencies = [
|
||||
"windows-result",
|
||||
"windows-result 0.2.0",
|
||||
"windows-targets 0.52.6",
|
||||
]
|
||||
|
||||
@@ -2702,6 +3014,15 @@ dependencies = [
|
||||
"memchr",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wit-bindgen-rt"
|
||||
version = "0.33.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "3268f3d866458b787f390cf61f4bbb563b922d091359f9608842999eaee3943c"
|
||||
dependencies = [
|
||||
"bitflags 2.8.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "write16"
|
||||
version = "1.0.0"
|
||||
@@ -2771,7 +3092,17 @@ version = "0.7.35"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
|
||||
dependencies = [
|
||||
"zerocopy-derive",
|
||||
"byteorder",
|
||||
"zerocopy-derive 0.7.35",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "zerocopy"
|
||||
version = "0.8.18"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "79386d31a42a4996e3336b0919ddb90f81112af416270cff95b5f5af22b839c2"
|
||||
dependencies = [
|
||||
"zerocopy-derive 0.8.18",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
@@ -2785,6 +3116,17 @@ dependencies = [
|
||||
"syn 2.0.98",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "zerocopy-derive"
|
||||
version = "0.8.18"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "76331675d372f91bf8d17e13afbd5fe639200b73d01f0fc748bb059f9cca2db7"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn 2.0.98",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "zerofrom"
|
||||
version = "0.1.5"
|
||||
|
||||
@@ -10,3 +10,5 @@ pixels = "0.15.0"
|
||||
tao = "0.31.1"
|
||||
tracing = "0.1.41"
|
||||
tracing-subscriber = { version = "0.3.19", features = ["env-filter"] }
|
||||
rand = "0.9.0"
|
||||
cpal = "0.15.3"
|
||||
533
src/main.rs
533
src/main.rs
@@ -6,7 +6,7 @@ use std::num::NonZeroU32;
|
||||
use std::rc::Rc;
|
||||
use pixels::{Error, Pixels, SurfaceTexture};
|
||||
use tao::{
|
||||
event::{Event, KeyEvent, WindowEvent},
|
||||
event::{Event, KeyEvent, WindowEvent, ElementState},
|
||||
event_loop::{ControlFlow, EventLoop},
|
||||
window::WindowBuilder,
|
||||
keyboard::KeyCode,
|
||||
@@ -14,8 +14,19 @@ use tao::{
|
||||
use tao::dpi::LogicalSize;
|
||||
use tracing::{info, error};
|
||||
use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
|
||||
use std::sync::Arc;
|
||||
use std::sync::{Arc, Mutex};
|
||||
use rand::prelude::*;
|
||||
use tao::keyboard::Key;
|
||||
use std::time::{Duration, Instant};
|
||||
use cpal::{SampleFormat, SampleRate, Stream, SupportedStreamConfig};
|
||||
use cpal::traits::{DeviceTrait, HostTrait, StreamTrait};
|
||||
use rand::seq::index::sample;
|
||||
use std::sync::mpsc::{sync_channel, Receiver, SyncSender};
|
||||
|
||||
const MODERNSHIFT: bool = false;
|
||||
const OLDJUMP: bool = true;
|
||||
|
||||
const MODERNLOADSAVE: bool = false;
|
||||
|
||||
#[derive(Parser, Debug)]
|
||||
struct Args {
|
||||
@@ -23,6 +34,81 @@ struct Args {
|
||||
file: PathBuf,
|
||||
}
|
||||
|
||||
struct AudioPlayer {
|
||||
stream: Stream,
|
||||
}
|
||||
|
||||
struct Oscilator {
|
||||
sample_index: f32,
|
||||
volume: f32,
|
||||
}
|
||||
|
||||
impl AudioPlayer {
|
||||
fn make(rx: Receiver<f32>) -> Self {
|
||||
let host = cpal::default_host();
|
||||
let device = host
|
||||
.default_output_device()
|
||||
.expect("no output device available");
|
||||
|
||||
let config = device.supported_output_configs().expect("error while querying config").find(|config| config.sample_format() == SampleFormat::F32);
|
||||
if config.is_none() {panic!("no supported config found");}
|
||||
let config = config.unwrap();
|
||||
if config.min_sample_rate() > SampleRate(48000) || config.max_sample_rate() < SampleRate(48000) {
|
||||
//("{:?},{:?}", config.min_sample_rate(), config.max_sample_rate());
|
||||
panic!("sample rate out of range");
|
||||
}
|
||||
|
||||
let format = SupportedStreamConfig::new(
|
||||
config.channels(),
|
||||
SampleRate(48000),
|
||||
config.buffer_size().clone(),
|
||||
SampleFormat::F32
|
||||
);
|
||||
|
||||
//let time_at_start = Instant::now();
|
||||
let mut oscilator = Oscilator{sample_index: 0.0, volume: 0.0};
|
||||
let stream = device.build_output_stream(
|
||||
&format.config(),
|
||||
move |data: &mut [f32], _: &cpal::OutputCallbackInfo| {
|
||||
//let time_since_start = Instant::now().duration_since(time_at_start).as_secs_f32();
|
||||
if let Ok(vol) = rx.try_recv() {
|
||||
oscilator.volume = vol as f32;
|
||||
}
|
||||
process_frame(data, config.channels().into(), &mut oscilator);
|
||||
},
|
||||
(|err| error!("Error while creating output stream, {}", err)),
|
||||
None,
|
||||
);
|
||||
|
||||
Self {
|
||||
stream: stream.expect("no stream available"),
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
fn run(&mut self) {
|
||||
self.stream.play().unwrap();
|
||||
}
|
||||
}
|
||||
|
||||
fn process_frame(output: &mut [f32], channels: usize, oscilator: &mut Oscilator) {
|
||||
for frame in output.chunks_mut(channels) {
|
||||
let value = oscilator.tick() * oscilator.volume;
|
||||
|
||||
for sample in frame.iter_mut() {
|
||||
*sample = value;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Oscilator {
|
||||
fn tick(&mut self) -> f32 {
|
||||
self.sample_index = (self.sample_index + 1.0) % 48000.0;
|
||||
let two_pi = 2.0 * std::f32::consts::PI;
|
||||
(self.sample_index * 440.0 * two_pi/48000.0).sin()
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Copy, Clone)]
|
||||
struct Chip8 {
|
||||
display: [u64; 32],
|
||||
@@ -32,8 +118,13 @@ struct Chip8 {
|
||||
delay_timer: u8,
|
||||
ram: [u8; 4096],
|
||||
pc: u16,
|
||||
stack: [u8; 64],
|
||||
stack: [u16; 64],
|
||||
stack_pointer: u8,
|
||||
keys: [bool; 16],
|
||||
get_key_pause: bool,
|
||||
keys_released: [bool; 16],
|
||||
keys_pressed: [bool; 16],
|
||||
display_wait: bool,
|
||||
}
|
||||
|
||||
impl Chip8 {
|
||||
@@ -48,6 +139,11 @@ impl Chip8 {
|
||||
pc: 0x200,
|
||||
stack: [0; 64],
|
||||
stack_pointer: 0,
|
||||
keys: [false; 16],
|
||||
get_key_pause: false,
|
||||
keys_released: [false; 16],
|
||||
keys_pressed: [false; 16],
|
||||
display_wait: false,
|
||||
}
|
||||
}
|
||||
|
||||
@@ -61,7 +157,16 @@ impl Chip8 {
|
||||
self
|
||||
}
|
||||
|
||||
fn draw(self, frame: &mut [u8], dimensions: (u32, u32)) -> Self {
|
||||
fn draw(&mut self, frame: &mut [u8], dimensions: (u32, u32), tx: &SyncSender<f32>) -> Self {
|
||||
if self.sound_timer != 0 {
|
||||
self.sound_timer -= 1;
|
||||
tx.send(0.5).unwrap();
|
||||
} else {
|
||||
tx.send(0.0).unwrap();
|
||||
}
|
||||
if self.delay_timer != 0 {
|
||||
self.delay_timer -= 1;
|
||||
}
|
||||
for(i, pixel) in frame.chunks_exact_mut(4).enumerate() {
|
||||
let x = i % dimensions.0 as usize;
|
||||
let y = i / dimensions.0 as usize;
|
||||
@@ -77,8 +182,9 @@ impl Chip8 {
|
||||
|
||||
pixel.copy_from_slice(&rgba);
|
||||
}
|
||||
info!("done");
|
||||
self
|
||||
self.display_wait = false;
|
||||
//info!("done");
|
||||
*self
|
||||
}
|
||||
|
||||
fn update(&mut self, instructions: u32) -> Self {
|
||||
@@ -102,13 +208,27 @@ impl Chip8 {
|
||||
0x00 => {
|
||||
self.clear_screen();
|
||||
},
|
||||
_ => {}
|
||||
0x0e => {
|
||||
if self.stack_pointer != 0 {
|
||||
self.pc = self.stack[self.stack_pointer as usize];
|
||||
self.stack_pointer -= 1;
|
||||
} else {
|
||||
error!("at root subroutine")
|
||||
}
|
||||
},
|
||||
_ => {
|
||||
error!("Does not support machine code");
|
||||
}
|
||||
}
|
||||
},
|
||||
_ => {}
|
||||
_ => {
|
||||
error!("Does not support machine code");
|
||||
}
|
||||
}
|
||||
},
|
||||
_ => {}
|
||||
_ => {
|
||||
error!("Does not support machine code");
|
||||
}
|
||||
}
|
||||
},
|
||||
0x01 => {
|
||||
@@ -116,16 +236,34 @@ impl Chip8 {
|
||||
self.pc = position;
|
||||
},
|
||||
0x02 => {
|
||||
|
||||
if self.stack_pointer != 63 {
|
||||
self.stack_pointer += 1;
|
||||
self.stack[self.stack_pointer as usize] = self.pc;
|
||||
self.pc = ((opcodes[1] as u16) << 8) | ((opcodes[2] as u16) << 4) | opcodes[3] as u16;
|
||||
} else {
|
||||
error!("reached the limit of the stack")
|
||||
}
|
||||
},
|
||||
0x03 => {
|
||||
|
||||
//info!("{},{},{}",(self.registers[opcodes[1] as usize]),(((opcodes[2]) << 4) + opcodes[3]),(self.registers[opcodes[1] as usize]) == (((opcodes[2]) << 4) + opcodes[3]));
|
||||
if (self.registers[opcodes[1] as usize]) == (((opcodes[2]) << 4) + opcodes[3]) {
|
||||
self.pc += 2;
|
||||
}
|
||||
},
|
||||
0x04 => {
|
||||
|
||||
if (self.registers[opcodes[1] as usize]) != (((opcodes[2]) << 4) + opcodes[3]) {
|
||||
self.pc += 2;
|
||||
}
|
||||
},
|
||||
0x05 => {
|
||||
|
||||
match opcodes[3] {
|
||||
0x00 => {
|
||||
if self.registers[opcodes[1] as usize] == self.registers[opcodes[2] as usize] {
|
||||
self.pc += 2;
|
||||
}
|
||||
},
|
||||
_ => {error!("unknown opcode")}
|
||||
}
|
||||
},
|
||||
0x06 => {
|
||||
self.registers[opcodes[1] as usize] = opcodes[2] << 4 | opcodes[3];
|
||||
@@ -135,36 +273,280 @@ impl Chip8 {
|
||||
self.registers[opcodes[1] as usize] = (((self.registers[opcodes[1] as usize] as u16) + value) & 255) as u8;
|
||||
},
|
||||
0x08 => {
|
||||
|
||||
match opcodes[3] {
|
||||
0x00 => {
|
||||
self.registers[opcodes[1] as usize] = self.registers[opcodes[2] as usize];
|
||||
},
|
||||
0x01 => {
|
||||
self.registers[opcodes[1] as usize] = self.registers[opcodes[1] as usize] | self.registers[opcodes[2] as usize];
|
||||
self.registers[0x0f] = 0;
|
||||
},
|
||||
0x02 => {
|
||||
self.registers[opcodes[1] as usize] = self.registers[opcodes[1] as usize] & self.registers[opcodes[2] as usize];
|
||||
self.registers[0x0f] = 0;
|
||||
},
|
||||
0x03 => {
|
||||
self.registers[opcodes[1] as usize] = self.registers[opcodes[1] as usize] ^ self.registers[opcodes[2] as usize];
|
||||
self.registers[0x0f] = 0;
|
||||
},
|
||||
0x04 => {
|
||||
let added_base = (self.registers[opcodes[1] as usize] as u16) + (self.registers[opcodes[2] as usize] as u16);
|
||||
self.registers[opcodes[1] as usize] = (added_base & 255) as u8;
|
||||
if added_base > 255 {
|
||||
self.registers[0x0f] = 1;
|
||||
} else {
|
||||
self.registers[0x0f] = 0;
|
||||
}
|
||||
},
|
||||
0x05 => {
|
||||
let r1 = self.registers[opcodes[1] as usize];
|
||||
let r2 = self.registers[opcodes[2] as usize];
|
||||
//info!("{},{}", r1 , r2);
|
||||
let no_underflow = (r1 >= r2);
|
||||
if no_underflow {
|
||||
//info!("{}",r1 - r2);
|
||||
self.registers[opcodes[1] as usize] = r1 - r2;
|
||||
} else {
|
||||
self.registers[opcodes[1] as usize] = 255 - ((r2 - r1) - 1);
|
||||
}
|
||||
self.registers[0x0f] = no_underflow as u8;
|
||||
},
|
||||
0x06 => {
|
||||
if MODERNSHIFT {
|
||||
let t = ((self.registers[opcodes[1] as usize] & 1) != 0) as u8;
|
||||
self.registers[opcodes[1] as usize] = self.registers[opcodes[1] as usize] >> 1;
|
||||
self.registers[0x0f] = t;
|
||||
} else {
|
||||
self.registers[opcodes[1] as usize] = self.registers[opcodes[2] as usize];
|
||||
let t = ((self.registers[opcodes[1] as usize] & 1) != 0) as u8;
|
||||
self.registers[opcodes[1] as usize] = self.registers[opcodes[1] as usize] >> 1;
|
||||
self.registers[0x0f] = t;
|
||||
}
|
||||
},
|
||||
0x07 => {
|
||||
let r1 = self.registers[opcodes[1] as usize];
|
||||
let r2 = self.registers[opcodes[2] as usize];
|
||||
let no_underflow = (r2 >= r1);
|
||||
//self.registers[0x0f] = no_underflow as u8;
|
||||
if no_underflow {
|
||||
self.registers[opcodes[1] as usize] = r2 - r1;
|
||||
} else {
|
||||
self.registers[opcodes[1] as usize] = 255 - ((r1 - r2) - 1);
|
||||
}
|
||||
self.registers[0x0f] = no_underflow as u8;
|
||||
},
|
||||
0x0e => {
|
||||
if MODERNSHIFT {
|
||||
let t = ((self.registers[opcodes[1] as usize] & 128) != 0) as u8;
|
||||
self.registers[opcodes[1] as usize] = self.registers[opcodes[1] as usize] << 1;
|
||||
self.registers[0x0f] = t;
|
||||
} else {
|
||||
self.registers[opcodes[1] as usize] = self.registers[opcodes[2] as usize];
|
||||
let t = ((self.registers[opcodes[1] as usize] & 128) != 0) as u8;
|
||||
self.registers[opcodes[1] as usize] = self.registers[opcodes[1] as usize] << 1;
|
||||
self.registers[0x0f] = t;
|
||||
}
|
||||
},
|
||||
_ => {error!("unknown opcode")}
|
||||
}
|
||||
},
|
||||
0x09 => {
|
||||
|
||||
match opcodes[3] {
|
||||
0x00 => {
|
||||
if self.registers[opcodes[1] as usize] != self.registers[opcodes[2] as usize] {
|
||||
self.pc += 2;
|
||||
}
|
||||
},
|
||||
_ => {error!("unknown opcode")}
|
||||
}
|
||||
},
|
||||
0x0a => {
|
||||
self.index_register = (opcodes[1] as u16) << 8 | (opcodes[2] as u16) << 4 | (opcodes[3] as u16);
|
||||
},
|
||||
0x0b => {
|
||||
|
||||
if OLDJUMP {
|
||||
self.pc = ((opcodes[1] as u16) << 8) + ((opcodes[2] as u16) << 4) + (opcodes[3] as u16) + (self.registers[0] as u16);
|
||||
} else {
|
||||
self.pc = ((opcodes[1] as u16) << 8) + ((opcodes[2] as u16) << 4) + (opcodes[3] as u16) + (self.registers[opcodes[1] as usize] as u16)
|
||||
}
|
||||
},
|
||||
0x0c => {
|
||||
|
||||
let mut rng = rand::rng();
|
||||
let random = rng.random::<u8>();
|
||||
self.registers[opcodes[1] as usize] = random & (opcodes[2] << 4 | opcodes[3]);
|
||||
},
|
||||
0x0d => {
|
||||
let x = self.registers[opcodes[1] as usize] % 64;
|
||||
let y = self.registers[opcodes[2] as usize] % 32;
|
||||
self.registers[0x0f] = 0;
|
||||
for n in 0..opcodes[3] {
|
||||
let spritedata = self.ram[self.index_register as usize + n as usize];
|
||||
for i in 0..7 {
|
||||
let bit = get_bit_u8(spritedata, i);
|
||||
self.display[(y + n) as usize] = self.display[(y + n) as usize] ^ ((bit as u64) << (x + i));
|
||||
if !self.display_wait {
|
||||
let x = self.registers[opcodes[1] as usize] % 64;
|
||||
let y = self.registers[opcodes[2] as usize] % 32;
|
||||
self.registers[0x0f] = 0;
|
||||
for n in 0..opcodes[3] {
|
||||
let spritedata = self.ram[self.index_register as usize + n as usize];
|
||||
let mut checkdata: u8 = 0;
|
||||
for i in 0..8 {
|
||||
let bit = get_bit_u8(spritedata, i);
|
||||
checkdata += (bit as u8) << (7 - i);
|
||||
if (x+i <= 63) && (y+n <= 31) {
|
||||
if (get_bit(self.display[(y+n) as usize], (x+i)) && bit) {
|
||||
self.registers[0x0f] = 1;
|
||||
}
|
||||
self.display[(y + n) as usize] = self.display[(y + n) as usize] ^ ((bit as u64) << (x + i));
|
||||
}
|
||||
}
|
||||
//info!("{},{}", spritedata, checkdata);
|
||||
}
|
||||
self.display_wait = true;
|
||||
} else {
|
||||
self.pc -= 2;
|
||||
}
|
||||
},
|
||||
0x0e => {
|
||||
|
||||
match opcodes[2] {
|
||||
0x09 => {
|
||||
match opcodes[3] {
|
||||
0x0e => {
|
||||
//info!("23: {}", self.registers[opcodes[1] as usize]);
|
||||
if self.registers[opcodes[1] as usize] < 16{
|
||||
if self.keys[(self.registers[opcodes[1] as usize] & 15) as usize] {
|
||||
self.pc += 2;
|
||||
}
|
||||
} else {
|
||||
error!("invalid keycode");
|
||||
}
|
||||
}
|
||||
_ => {}
|
||||
}
|
||||
},
|
||||
0x0a => {
|
||||
match opcodes[3] {
|
||||
0x01 => {
|
||||
//info!("a1 {}", self.registers[opcodes[1] as usize]);
|
||||
if self.registers[opcodes[1] as usize] < 16{
|
||||
if !self.keys[(self.registers[opcodes[1] as usize] & 15) as usize] {
|
||||
self.pc += 2;
|
||||
}
|
||||
} else {
|
||||
error!("invalid keycode");
|
||||
}
|
||||
},
|
||||
_ => {error!("invalid opcode");}
|
||||
}
|
||||
},
|
||||
_ => {error!("unknown opcode")}
|
||||
}
|
||||
},
|
||||
0x0f => {
|
||||
match opcodes[2] {
|
||||
0x00 => {
|
||||
match opcodes[3] {
|
||||
0x07 => {
|
||||
self.registers[opcodes[1] as usize] = self.delay_timer;
|
||||
},
|
||||
0x0a => {
|
||||
let mut keypress = false;
|
||||
if !self.get_key_pause {
|
||||
self.get_key_pause = true;
|
||||
for i in 0..16 {
|
||||
self.keys_released[i] = !self.keys[i];
|
||||
self.keys_pressed[i] = false;
|
||||
}
|
||||
} else {
|
||||
for i in 0..16 {
|
||||
if !keypress {
|
||||
if self.keys_pressed[i] && !self.keys[i] {
|
||||
self.registers[opcodes[1] as usize] = i as u8;
|
||||
self.get_key_pause = false;
|
||||
keypress = true;
|
||||
} else if self.keys_released[i] && self.keys[i] {
|
||||
self.keys_pressed[i] = true;
|
||||
} else if !self.keys_released[i] && !self.keys[i] {
|
||||
self.keys_released[i] = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if !keypress {
|
||||
self.pc -= 2;
|
||||
}
|
||||
},
|
||||
_ => {
|
||||
error!("unknown opcode");
|
||||
}
|
||||
}
|
||||
}
|
||||
0x01 => {
|
||||
match opcodes[3] {
|
||||
0x05 => {
|
||||
self.delay_timer = self.registers[opcodes[1] as usize];
|
||||
},
|
||||
0x08 => {
|
||||
self.sound_timer = self.registers[opcodes[1] as usize];
|
||||
}
|
||||
0x0e => {
|
||||
if self.index_register + self.registers[opcodes[1] as usize] as u16 >= 0x1000 {
|
||||
self.registers[0x0f] = 1;
|
||||
}
|
||||
self.index_register = (self.index_register + self.registers[opcodes[1] as usize] as u16) & 0x0FFF;
|
||||
},
|
||||
_ => {error!("unknown opcode");}
|
||||
}
|
||||
},
|
||||
0x02 => {
|
||||
match opcodes[3] {
|
||||
0x09 => {
|
||||
self.index_register = 0x050 + (((self.registers[opcodes[1] as usize] & 0x0F) as u16) * 5);
|
||||
},
|
||||
_ => {error!("unknown opcode");}
|
||||
}
|
||||
},
|
||||
0x03 => {
|
||||
match opcodes[3] {
|
||||
0x03 => {
|
||||
self.ram[self.index_register as usize] = self.registers[opcodes[1] as usize] / 100;
|
||||
self.ram[self.index_register as usize + 1] = (self.registers[opcodes[1] as usize] / 10) % 10;
|
||||
self.ram[self.index_register as usize + 2] = self.registers[opcodes[1] as usize] % 10;
|
||||
},
|
||||
_ => {error!("unknown opcode");}
|
||||
}
|
||||
}
|
||||
0x05 => {
|
||||
match opcodes[3] {
|
||||
0x05 => {
|
||||
if MODERNLOADSAVE {
|
||||
for i in 0..=opcodes[1] {
|
||||
self.ram[(self.index_register + i as u16) as usize] = self.registers[i as usize];
|
||||
}
|
||||
} else {
|
||||
for i in 0..=opcodes[1] {
|
||||
//self.index_register += i as u16;
|
||||
self.ram[self.index_register as usize] = self.registers[i as usize];
|
||||
self.index_register += 1;
|
||||
}
|
||||
}
|
||||
},
|
||||
_ => {error!("unknown opcode");}
|
||||
}
|
||||
},
|
||||
0x06 => {
|
||||
match opcodes[3] {
|
||||
0x05 => {
|
||||
if MODERNLOADSAVE {
|
||||
for i in 0..=opcodes[1] {
|
||||
self.registers[i as usize] = self.ram[(self.index_register + i as u16) as usize];
|
||||
}
|
||||
} else {
|
||||
for i in 0..=opcodes[1] {
|
||||
//self.index_register += 1;
|
||||
self.registers[i as usize] = self.ram[self.index_register as usize];
|
||||
self.index_register += 1;
|
||||
}
|
||||
}
|
||||
},
|
||||
_ => {error!("unknown opcode");}
|
||||
}
|
||||
},
|
||||
_ => {error!("unknown opcode")}
|
||||
}
|
||||
|
||||
},
|
||||
_ => {
|
||||
@@ -176,9 +558,9 @@ impl Chip8 {
|
||||
*self
|
||||
}
|
||||
|
||||
fn clear_screen(mut self) -> Self {
|
||||
fn clear_screen(&mut self) -> Self {
|
||||
self.display = [0;32];
|
||||
self
|
||||
*self
|
||||
}
|
||||
}
|
||||
|
||||
@@ -193,6 +575,7 @@ fn main() {
|
||||
|
||||
let args = Args::parse();
|
||||
let mut chip8 = Chip8::new().insert_font().load_file(args.file);
|
||||
let (tx, rx) = sync_channel(1);
|
||||
|
||||
println!("ram: {:?}", chip8.ram);
|
||||
|
||||
@@ -201,7 +584,7 @@ fn main() {
|
||||
let window = { let window = WindowBuilder::new()
|
||||
.with_title("Chip8 Emulator")
|
||||
.with_inner_size(LogicalSize::new(320, 240))
|
||||
.with_min_inner_size(LogicalSize::new(320, 240))
|
||||
.with_min_inner_size(LogicalSize::new(600, 300))
|
||||
.build(&event_loop)
|
||||
.unwrap();
|
||||
Arc::new(window)
|
||||
@@ -213,9 +596,13 @@ fn main() {
|
||||
Pixels::new(window_size.width, window_size.height, surface_texture).unwrap()
|
||||
};
|
||||
|
||||
let test: u64 = 1;
|
||||
info!("{}", get_bit(test, 0));
|
||||
let mut audio = AudioPlayer::make(rx);
|
||||
|
||||
audio.run();
|
||||
|
||||
let test: u64 = 1;
|
||||
//info!("{}", get_bit(test, 0));
|
||||
let mut start = Instant::now();
|
||||
event_loop.run(move |event, _, control_flow| {
|
||||
match event {
|
||||
Event::WindowEvent {event, ..} => match event {
|
||||
@@ -226,20 +613,87 @@ fn main() {
|
||||
*control_flow = ControlFlow::Exit;
|
||||
}
|
||||
},
|
||||
WindowEvent::KeyboardInput {
|
||||
event:
|
||||
KeyEvent {
|
||||
logical_key,
|
||||
state,
|
||||
..
|
||||
},
|
||||
..
|
||||
} => {
|
||||
match logical_key {
|
||||
Key::Character("1") => {
|
||||
set_keystate(&mut chip8.keys, 1, state);
|
||||
},
|
||||
Key::Character("2") => {
|
||||
set_keystate(&mut chip8.keys, 2, state);
|
||||
},
|
||||
Key::Character("3") => {
|
||||
set_keystate(&mut chip8.keys, 3, state);
|
||||
},
|
||||
Key::Character("4") => {
|
||||
set_keystate(&mut chip8.keys, 0x0c, state);
|
||||
},
|
||||
Key::Character("q") => {
|
||||
set_keystate(&mut chip8.keys, 4, state);
|
||||
},
|
||||
Key::Character("w") => {
|
||||
set_keystate(&mut chip8.keys, 5, state);
|
||||
},
|
||||
Key::Character("e") => {
|
||||
set_keystate(&mut chip8.keys, 6, state);
|
||||
},
|
||||
Key::Character("r") => {
|
||||
set_keystate(&mut chip8.keys, 0x0d, state);
|
||||
},
|
||||
Key::Character("a") => {
|
||||
set_keystate(&mut chip8.keys, 7, state);
|
||||
},
|
||||
Key::Character("s") => {
|
||||
set_keystate(&mut chip8.keys, 8, state);
|
||||
},
|
||||
Key::Character("d") => {
|
||||
set_keystate(&mut chip8.keys, 9, state);
|
||||
},
|
||||
Key::Character("f") => {
|
||||
set_keystate(&mut chip8.keys, 0x0e, state);
|
||||
},
|
||||
Key::Character("z") => {
|
||||
set_keystate(&mut chip8.keys, 0x0a, state);
|
||||
},
|
||||
Key::Character("x") => {
|
||||
set_keystate(&mut chip8.keys, 0, state);
|
||||
},
|
||||
Key::Character("c") => {
|
||||
set_keystate(&mut chip8.keys, 0x0b, state);
|
||||
},
|
||||
Key::Character("v") => {
|
||||
set_keystate(&mut chip8.keys, 0x0f, state);
|
||||
},
|
||||
_ => {}
|
||||
}
|
||||
}
|
||||
_ => {}
|
||||
},
|
||||
Event::MainEventsCleared => {
|
||||
info!(chip8.pc);
|
||||
//info!(chip8.pc);
|
||||
chip8.update(40);
|
||||
info!(chip8.pc);
|
||||
//info!(chip8.pc);
|
||||
//for i in chip8.display {
|
||||
// println!("{:#64b}", i);
|
||||
//}
|
||||
window.request_redraw();
|
||||
}
|
||||
Event::RedrawRequested(_) => {
|
||||
chip8.draw(pixels.frame_mut(), (window.inner_size().width, window.inner_size().height));
|
||||
chip8.draw(pixels.frame_mut(), (window.inner_size().width, window.inner_size().height), &tx);
|
||||
if let Err(err) = pixels.render() {
|
||||
error!("pixels.render");
|
||||
*control_flow = ControlFlow::Exit;
|
||||
}
|
||||
//let duration = start.elapsed();
|
||||
//info!("{:?}", duration);
|
||||
//start = Instant::now();
|
||||
}
|
||||
_ => {}
|
||||
}
|
||||
@@ -297,10 +751,19 @@ fn get_bit(num: u64, bit: u8) -> bool {
|
||||
|
||||
fn get_bit_u8(num: u8, bit: u8) -> bool {
|
||||
if bit <= 8 {
|
||||
let mask: u8 = 128 >> bit;
|
||||
let mask: u8 = 1 << (7 - bit);
|
||||
let bitvalue = (num & mask) != 0;
|
||||
//info!("{},{},{},{}", num, bit, mask, bitvalue);
|
||||
bitvalue
|
||||
} else {
|
||||
false
|
||||
}
|
||||
}
|
||||
|
||||
fn set_keystate(keys: &mut [bool; 16], key: u8, state: ElementState) {
|
||||
if state == ElementState::Pressed {
|
||||
keys[key as usize] = true;
|
||||
} else if state == ElementState::Released {
|
||||
keys[key as usize] = false;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user