mirror of
https://github.com/danbulant/chip8badapple
synced 2026-06-19 22:51:15 +00:00
initial commit
This commit is contained in:
Daniel Bulant
commit
f84466c03a
9 changed files with 444 additions and 0 deletions
4
.gitignore
vendored
Normal file
4
.gitignore
vendored
Normal file
|
|
@ -0,0 +1,4 @@
|
|||
/target
|
||||
frames
|
||||
output.ch8
|
||||
badapple.webm
|
||||
8
.idea/.gitignore
vendored
Normal file
8
.idea/.gitignore
vendored
Normal file
|
|
@ -0,0 +1,8 @@
|
|||
# Default ignored files
|
||||
/shelf/
|
||||
/workspace.xml
|
||||
# Editor-based HTTP Client requests
|
||||
/httpRequests/
|
||||
# Datasource local storage ignored files
|
||||
/dataSources/
|
||||
/dataSources.local.xml
|
||||
11
.idea/chip8badapple.iml
Normal file
11
.idea/chip8badapple.iml
Normal file
|
|
@ -0,0 +1,11 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<module type="CPP_MODULE" version="4">
|
||||
<component name="NewModuleRootManager">
|
||||
<content url="file://$MODULE_DIR$">
|
||||
<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
|
||||
<excludeFolder url="file://$MODULE_DIR$/target" />
|
||||
</content>
|
||||
<orderEntry type="inheritedJdk" />
|
||||
<orderEntry type="sourceFolder" forTests="false" />
|
||||
</component>
|
||||
</module>
|
||||
6
.idea/misc.xml
Normal file
6
.idea/misc.xml
Normal file
|
|
@ -0,0 +1,6 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project version="4">
|
||||
<component name="MarkdownSettingsMigration">
|
||||
<option name="stateVersion" value="1" />
|
||||
</component>
|
||||
</project>
|
||||
8
.idea/modules.xml
Normal file
8
.idea/modules.xml
Normal file
|
|
@ -0,0 +1,8 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project version="4">
|
||||
<component name="ProjectModuleManager">
|
||||
<modules>
|
||||
<module fileurl="file://$PROJECT_DIR$/.idea/chip8badapple.iml" filepath="$PROJECT_DIR$/.idea/chip8badapple.iml" />
|
||||
</modules>
|
||||
</component>
|
||||
</project>
|
||||
6
.idea/vcs.xml
Normal file
6
.idea/vcs.xml
Normal file
|
|
@ -0,0 +1,6 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project version="4">
|
||||
<component name="VcsDirectoryMappings">
|
||||
<mapping directory="" vcs="Git" />
|
||||
</component>
|
||||
</project>
|
||||
258
Cargo.lock
generated
Normal file
258
Cargo.lock
generated
Normal file
|
|
@ -0,0 +1,258 @@
|
|||
# This file is automatically @generated by Cargo.
|
||||
# It is not intended for manual editing.
|
||||
version = 3
|
||||
|
||||
[[package]]
|
||||
name = "bindgen"
|
||||
version = "0.59.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2bd2a9a458e8f4304c52c43ebb0cfbd520289f8379a52e329a38afda99bf8eb8"
|
||||
dependencies = [
|
||||
"bitflags",
|
||||
"cexpr",
|
||||
"clang-sys",
|
||||
"lazy_static",
|
||||
"lazycell",
|
||||
"peeking_take_while",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"regex",
|
||||
"rustc-hash",
|
||||
"shlex",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "bitflags"
|
||||
version = "1.3.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
|
||||
|
||||
[[package]]
|
||||
name = "cc"
|
||||
version = "1.0.78"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a20104e2335ce8a659d6dd92a51a767a0c062599c73b343fd152cb401e828c3d"
|
||||
|
||||
[[package]]
|
||||
name = "cexpr"
|
||||
version = "0.6.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
|
||||
dependencies = [
|
||||
"nom",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "cfg-if"
|
||||
version = "1.0.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
|
||||
|
||||
[[package]]
|
||||
name = "chip8badapple"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"ffmpeg-next",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "clang-sys"
|
||||
version = "1.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "fa2e27ae6ab525c3d369ded447057bca5438d86dc3a68f6faafb8269ba82ebf3"
|
||||
dependencies = [
|
||||
"glob",
|
||||
"libc",
|
||||
"libloading",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "ffmpeg-next"
|
||||
version = "5.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a80971eee67be0079a1c8890bde68226fe9bd0441740fd6ddd0cee131486b321"
|
||||
dependencies = [
|
||||
"bitflags",
|
||||
"ffmpeg-sys-next",
|
||||
"libc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "ffmpeg-sys-next"
|
||||
version = "5.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d780b36e092254367e2f1f21191992735c8e23f31a5a5a8678db3a79f775021f"
|
||||
dependencies = [
|
||||
"bindgen",
|
||||
"cc",
|
||||
"libc",
|
||||
"num_cpus",
|
||||
"pkg-config",
|
||||
"vcpkg",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "glob"
|
||||
version = "0.3.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
|
||||
|
||||
[[package]]
|
||||
name = "hermit-abi"
|
||||
version = "0.2.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ee512640fe35acbfb4bb779db6f0d80704c2cacfa2e39b601ef3e3f47d1ae4c7"
|
||||
dependencies = [
|
||||
"libc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "lazy_static"
|
||||
version = "1.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
|
||||
|
||||
[[package]]
|
||||
name = "lazycell"
|
||||
version = "1.3.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
|
||||
|
||||
[[package]]
|
||||
name = "libc"
|
||||
version = "0.2.139"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79"
|
||||
|
||||
[[package]]
|
||||
name = "libloading"
|
||||
version = "0.7.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b67380fd3b2fbe7527a606e18729d21c6f3951633d0500574c4dc22d2d638b9f"
|
||||
dependencies = [
|
||||
"cfg-if",
|
||||
"winapi",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "memchr"
|
||||
version = "2.5.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
|
||||
|
||||
[[package]]
|
||||
name = "minimal-lexical"
|
||||
version = "0.2.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
|
||||
|
||||
[[package]]
|
||||
name = "nom"
|
||||
version = "7.1.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
|
||||
dependencies = [
|
||||
"memchr",
|
||||
"minimal-lexical",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "num_cpus"
|
||||
version = "1.15.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0fac9e2da13b5eb447a6ce3d392f23a29d8694bff781bf03a16cd9ac8697593b"
|
||||
dependencies = [
|
||||
"hermit-abi",
|
||||
"libc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "peeking_take_while"
|
||||
version = "0.1.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
|
||||
|
||||
[[package]]
|
||||
name = "pkg-config"
|
||||
version = "0.3.26"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6ac9a59f73473f1b8d852421e59e64809f025994837ef743615c6d0c5b305160"
|
||||
|
||||
[[package]]
|
||||
name = "proc-macro2"
|
||||
version = "1.0.50"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6ef7d57beacfaf2d8aee5937dab7b7f28de3cb8b1828479bb5de2a7106f2bae2"
|
||||
dependencies = [
|
||||
"unicode-ident",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "quote"
|
||||
version = "1.0.23"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8856d8364d252a14d474036ea1358d63c9e6965c8e5c1885c18f73d70bff9c7b"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "regex"
|
||||
version = "1.7.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "48aaa5748ba571fb95cd2c85c09f629215d3a6ece942baa100950af03a34f733"
|
||||
dependencies = [
|
||||
"regex-syntax",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "regex-syntax"
|
||||
version = "0.6.28"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "456c603be3e8d448b072f410900c09faf164fbce2d480456f50eea6e25f9c848"
|
||||
|
||||
[[package]]
|
||||
name = "rustc-hash"
|
||||
version = "1.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
|
||||
|
||||
[[package]]
|
||||
name = "shlex"
|
||||
version = "1.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "43b2853a4d09f215c24cc5489c992ce46052d359b5109343cbafbf26bc62f8a3"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-ident"
|
||||
version = "1.0.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "84a22b9f218b40614adcb3f4ff08b703773ad44fa9423e4e0d346d5db86e4ebc"
|
||||
|
||||
[[package]]
|
||||
name = "vcpkg"
|
||||
version = "0.2.15"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.3.9"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
|
||||
dependencies = [
|
||||
"winapi-i686-pc-windows-gnu",
|
||||
"winapi-x86_64-pc-windows-gnu",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi-i686-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||
|
||||
[[package]]
|
||||
name = "winapi-x86_64-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||
9
Cargo.toml
Normal file
9
Cargo.toml
Normal file
|
|
@ -0,0 +1,9 @@
|
|||
[package]
|
||||
name = "chip8badapple"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
ffmpeg-next="5.1.1"
|
||||
134
src/main.rs
Normal file
134
src/main.rs
Normal file
|
|
@ -0,0 +1,134 @@
|
|||
use ffmpeg_next::format::{input, Pixel};
|
||||
use ffmpeg_next::media::Type;
|
||||
use ffmpeg_next::software::scaling::{flag::Flags};
|
||||
use ffmpeg_next::util::frame::video::Video;
|
||||
use std::env;
|
||||
use std::fs::File;
|
||||
use std::io::{Seek, SeekFrom, Write};
|
||||
|
||||
const WIDTH: u8 = 64;
|
||||
const HEIGHT: u8 = 32;
|
||||
|
||||
fn main() -> Result<(), ffmpeg_next::Error> {
|
||||
ffmpeg_next::init().unwrap();
|
||||
|
||||
if let Ok(mut ictx) = input(&env::args().nth(1).expect("Cannot open file.")) {
|
||||
let input = ictx
|
||||
.streams()
|
||||
.best(Type::Video)
|
||||
.ok_or(ffmpeg_next::Error::StreamNotFound)?;
|
||||
let video_stream_index = input.index();
|
||||
|
||||
let mut output_file = File::create("output.ch8").unwrap();
|
||||
|
||||
let context_decoder = ffmpeg_next::codec::context::Context::from_parameters(input.parameters())?;
|
||||
let mut decoder = context_decoder.decoder().video()?;
|
||||
|
||||
// clion doesn't like use for this...
|
||||
let mut scaler = ffmpeg_next::software::scaling::context::Context::get(
|
||||
// input
|
||||
decoder.format(),
|
||||
decoder.width(),
|
||||
decoder.height(),
|
||||
// output
|
||||
Pixel::MonoBlack,
|
||||
WIDTH as u32,
|
||||
HEIGHT as u32,
|
||||
Flags::BILINEAR
|
||||
)?;
|
||||
|
||||
let mut frame_index = 0;
|
||||
|
||||
// the below is the main program loop. It's simple, so it's hardcoded.
|
||||
// V0=x, V1=y, V10=VA=frame count, V11=VB=delay timer
|
||||
// it uses sprite bank to draw sprites on the screen
|
||||
// because of frame counting, maximum length is roughly 36.4 minutes (for 30fps)
|
||||
let base_rom = [
|
||||
0xA3,0x00, // 0x200 I = 0x300
|
||||
0x6C,0x01, // 0x202 VC = 1
|
||||
|
||||
// main print loop
|
||||
0x00,0xE0, // 0x204 clear screen,
|
||||
0x61,0x00, // 0x206 V1 = 0
|
||||
0x60,0x00, // 0x208 V0 = 0
|
||||
0xD0,0x1F, // 0x20A draw sprite at V0, V1 with height 15
|
||||
0x70,0x08, // 0x20C V0 += 8
|
||||
0x62, 120, // 0x20E V2 = 120
|
||||
0xF2,0x1E, // 0x210 I += V2
|
||||
|
||||
0x30, 32, // 0x212 if V0 == 32 skip
|
||||
0x12,0x0A, // 0x214 goto 0x20A
|
||||
0x71, 15, // 0x216 V1 += 15
|
||||
0x31, 45, // 0x218 if V1 == 45 skip
|
||||
0x12,0x08, // 0x21A goto 0x208
|
||||
|
||||
// wait for next frame. Delay timer ticks every 1/60th of a second, video is 30fps, hence 2 ticks
|
||||
0x6B,0x02, // 0x21C VB = 2
|
||||
0xFB,0x15, // 0x21E delay timer = VB
|
||||
0xFB,0x07, // 0x220 VB = delay timer
|
||||
|
||||
0x4B,0x00, // 0x222 if VB != 0 skip
|
||||
0x12,0x22, // 0x224 goto 0x222
|
||||
|
||||
0x12,0x04, // 0x226 goto 0x204
|
||||
// unreachable, for future use
|
||||
0x12,0x28, // 0x228 goto 0x228 (self jump, our emulator exits)
|
||||
0x00,0x00 // crash if we get here
|
||||
];
|
||||
output_file.write_all(&base_rom).unwrap();
|
||||
output_file.seek(std::io::SeekFrom::Start(0x300)).unwrap();
|
||||
|
||||
let mut receive_and_process_decoded_frames =
|
||||
|decoder: &mut ffmpeg_next::decoder::Video| -> Result<(), ffmpeg_next::Error> {
|
||||
let mut decoded = Video::empty();
|
||||
while decoder.receive_frame(&mut decoded).is_ok() {
|
||||
let mut bw_frame = Video::empty();
|
||||
scaler.run(&decoded, &mut bw_frame)?;
|
||||
let data = bw_frame.data(0);
|
||||
// dbg!(data);
|
||||
let mut sprite_bank: [[u8; 8]; 3] = [
|
||||
[
|
||||
0; 8 // there are 8 sprites in 64 pixel wide screen
|
||||
]; 3 // 3 parts 15 pixels each to fill 32 pixel tall screen
|
||||
];
|
||||
|
||||
for i in 0..8 {
|
||||
for j in 0..3 {
|
||||
sprite_bank[j][i] = data[i * 3 + j];
|
||||
}
|
||||
}
|
||||
|
||||
let mut file = File::create(format!("frames/f{}.pbm", frame_index)).unwrap();
|
||||
file.write_all(format!("P4\n{} {}\n", bw_frame.width(), bw_frame.height()).as_bytes()).unwrap();
|
||||
file.write_all(data).unwrap();
|
||||
|
||||
for part in 0..3 {
|
||||
for sprite in 0..8 {
|
||||
let mut sprite_byte = 0;
|
||||
for pixel in 0..8 {
|
||||
if sprite_bank[part][sprite] & 1 << (7 - pixel) != 0 {
|
||||
sprite_byte |= 1 << (7 - pixel);
|
||||
}
|
||||
}
|
||||
output_file.write_all(&[sprite_byte]).unwrap();
|
||||
}
|
||||
}
|
||||
|
||||
frame_index += 1;
|
||||
}
|
||||
Ok(())
|
||||
};
|
||||
|
||||
for (stream, packet) in ictx.packets() {
|
||||
if stream.index() == video_stream_index {
|
||||
|
||||
decoder.send_packet(&packet)?;
|
||||
receive_and_process_decoded_frames(&mut decoder)?;
|
||||
}
|
||||
}
|
||||
decoder.send_eof()?;
|
||||
receive_and_process_decoded_frames(&mut decoder)?;
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
Loading…
Reference in a new issue