diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | Cargo.lock | 1316 | ||||
| -rw-r--r-- | Cargo.toml | 12 | ||||
| -rw-r--r-- | LICENSE | 13 | ||||
| -rw-r--r-- | README.md | 32 | ||||
| -rw-r--r-- | src/main.rs | 441 |
6 files changed, 1815 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..ea8c4bf --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +/target diff --git a/Cargo.lock b/Cargo.lock new file mode 100644 index 0000000..3e46201 --- /dev/null +++ b/Cargo.lock @@ -0,0 +1,1316 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +version = 3 + +[[package]] +name = "adler" +version = "1.0.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe" + +[[package]] +name = "aho-corasick" +version = "0.7.15" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7404febffaa47dac81aa44dba71523c9d069b1bdc50a77db41195149e17f68e5" +dependencies = [ + "memchr", +] + +[[package]] +name = "alsa" +version = "0.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "75c4da790adcb2ce5e758c064b4f3ec17a30349f9961d3e5e6c9688b052a9e18" +dependencies = [ + "alsa-sys", + "bitflags", + "libc", + "nix", +] + +[[package]] +name = "alsa-sys" +version = "0.3.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "db8fee663d06c4e303404ef5f40488a53e062f89ba8bfed81f42325aafad1527" +dependencies = [ + "libc", + "pkg-config", +] + +[[package]] +name = "ansi_term" +version = "0.11.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b" +dependencies = [ + "winapi", +] + +[[package]] +name = "atty" +version = "0.2.14" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8" +dependencies = [ + "hermit-abi", + "libc", + "winapi", +] + +[[package]] +name = "autocfg" +version = "1.0.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a" + +[[package]] +name = "bindgen" +version = "0.56.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2da379dbebc0b76ef63ca68d8fc6e71c0f13e59432e0987e508c1820e6ab5239" +dependencies = [ + "bitflags", + "cexpr", + "clang-sys", + "clap", + "env_logger", + "lazy_static", + "lazycell", + "log", + "peeking_take_while", + "proc-macro2", + "quote", + "regex", + "rustc-hash", + "shlex", + "which", +] + +[[package]] +name = "bitflags" +version = "1.2.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693" + +[[package]] +name = "bumpalo" +version = "3.6.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "63396b8a4b9de3f4fdfb320ab6080762242f66a8ef174c49d8e19b674db4cdbe" + +[[package]] +name = "bytes" +version = "1.0.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b700ce4376041dcd0a327fd0097c41095743c4c8af8887265942faf1100bd040" + +[[package]] +name = "cc" +version = "1.0.67" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e3c69b077ad434294d3ce9f1f6143a2a4b89a8a2d54ef813d85003a4fd1137fd" +dependencies = [ + "jobserver", +] + +[[package]] +name = "cesu8" +version = "1.1.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6d43a04d8753f35258c91f8ec639f792891f748a1edbd759cf1dcea3382ad83c" + +[[package]] +name = "cexpr" +version = "0.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f4aedb84272dbe89af497cf81375129abda4fc0a9e7c5d317498c15cc30c0d27" +dependencies = [ + "nom 5.1.2", +] + +[[package]] +name = "cfg-if" +version = "0.1.10" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822" + +[[package]] +name = "cfg-if" +version = "1.0.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd" + +[[package]] +name = "chip8-emu" +version = "0.1.0" +dependencies = [ + "cpal", + "minifb", + "rand", +] + +[[package]] +name = "clang-sys" +version = "1.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "853eda514c284c2287f4bf20ae614f8781f40a81d32ecda6e91449304dfe077c" +dependencies = [ + "glob", + "libc", + "libloading", +] + +[[package]] +name = "clap" +version = "2.33.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "37e58ac78573c40708d45522f0d80fa2f01cc4f9b4e2bf749807255454312002" +dependencies = [ + "ansi_term", + "atty", + "bitflags", + "strsim 0.8.0", + "textwrap", + "unicode-width", + "vec_map", +] + +[[package]] +name = "cmake" +version = "0.1.45" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "eb6210b637171dfba4cda12e579ac6dc73f5165ad56133e5d72ef3131f320855" +dependencies = [ + "cc", +] + +[[package]] +name = "combine" +version = "4.5.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "cc4369b5e4c0cddf64ad8981c0111e7df4f7078f4d6ba98fb31f2e17c4c57b7e" +dependencies = [ + "bytes", + "memchr", +] + +[[package]] +name = "core-foundation-sys" +version = "0.6.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e7ca8a5221364ef15ce201e8ed2f609fc312682a8f4e0e3d4aa5879764e0fa3b" + +[[package]] +name = "coreaudio-rs" +version = "0.10.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "11894b20ebfe1ff903cbdc52259693389eea03b94918a2def2c30c3bf227ad88" +dependencies = [ + "bitflags", + "coreaudio-sys", +] + +[[package]] +name = "coreaudio-sys" +version = "0.2.8" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2b7e3347be6a09b46aba228d6608386739fb70beff4f61e07422da87b0bb31fa" +dependencies = [ + "bindgen", +] + +[[package]] +name = "cpal" +version = "0.13.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8351ddf2aaa3c583fa388029f8b3d26f3c7035a20911fdd5f2e2ed7ab57dad25" +dependencies = [ + "alsa", + "core-foundation-sys", + "coreaudio-rs", + "jni", + "js-sys", + "lazy_static", + "libc", + "mach", + "ndk", + "ndk-glue", + "nix", + "oboe", + "parking_lot", + "stdweb", + "thiserror", + "web-sys", + "winapi", +] + +[[package]] +name = "crc32fast" +version = "1.2.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "81156fece84ab6a9f2afdb109ce3ae577e42b1228441eded99bd77f627953b1a" +dependencies = [ + "cfg-if 1.0.0", +] + +[[package]] +name = "darling" +version = "0.10.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0d706e75d87e35569db781a9b5e2416cff1236a47ed380831f959382ccd5f858" +dependencies = [ + "darling_core", + "darling_macro", +] + +[[package]] +name = "darling_core" +version = "0.10.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f0c960ae2da4de88a91b2d920c2a7233b400bc33cb28453a2987822d8392519b" +dependencies = [ + "fnv", + "ident_case", + "proc-macro2", + "quote", + "strsim 0.9.3", + "syn", +] + +[[package]] +name = "darling_macro" +version = "0.10.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d9b5a2f4ac4969822c62224815d069952656cadc7084fdca9751e6d959189b72" +dependencies = [ + "darling_core", + "quote", + "syn", +] + +[[package]] +name = "derivative" +version = "2.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "fcc3dd5e9e9c0b295d6e1e4d811fb6f157d5ffd784b8d202fc62eac8035a770b" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "downcast-rs" +version = "1.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9ea835d29036a4087793836fa931b08837ad5e957da9e23886b29586fb9b6650" + +[[package]] +name = "encoding_rs" +version = "0.8.28" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "80df024fbc5ac80f87dfef0d9f5209a252f2a497f7f42944cff24d8253cac065" +dependencies = [ + "cfg-if 1.0.0", +] + +[[package]] +name = "env_logger" +version = "0.8.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "17392a012ea30ef05a610aa97dfb49496e71c9f676b27879922ea5bdf60d9d3f" +dependencies = [ + "atty", + "humantime", + "log", + "regex", + "termcolor", +] + +[[package]] +name = "filetime" +version = "0.2.14" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1d34cfa13a63ae058bfa601fe9e313bbdb3746427c1459185464ce0fcf62e1e8" +dependencies = [ + "cfg-if 1.0.0", + "libc", + "redox_syscall", + "winapi", +] + +[[package]] +name = "flate2" +version = "1.0.20" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "cd3aec53de10fe96d7d8c565eb17f2c687bb5518a2ec453b5b1252964526abe0" +dependencies = [ + "cfg-if 1.0.0", + "crc32fast", + "libc", + "miniz_oxide", +] + +[[package]] +name = "fnv" +version = "1.0.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1" + +[[package]] +name = "getrandom" +version = "0.2.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c9495705279e7140bf035dde1f6e750c162df8b625267cd52cc44e0b156732c8" +dependencies = [ + "cfg-if 1.0.0", + "libc", + "wasi", +] + +[[package]] +name = "glob" +version = "0.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574" + +[[package]] +name = "hermit-abi" +version = "0.1.18" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "322f4de77956e22ed0e5032c359a0f1273f1f7f0d79bfa3b8ffbc730d7fbcc5c" +dependencies = [ + "libc", +] + +[[package]] +name = "humantime" +version = "2.1.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4" + +[[package]] +name = "ident_case" +version = "1.0.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39" + +[[package]] +name = "instant" +version = "0.1.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "61124eeebbd69b8190558df225adf7e4caafce0d743919e5d6b19652314ec5ec" +dependencies = [ + "cfg-if 1.0.0", +] + +[[package]] +name = "jni" +version = "0.18.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "24967112a1e4301ca5342ea339763613a37592b8a6ce6cf2e4494537c7a42faf" +dependencies = [ + "cesu8", + "combine", + "jni-sys", + "log", + "thiserror", + "walkdir", +] + +[[package]] +name = "jni-sys" +version = "0.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8eaf4bc02d17cbdd7ff4c7438cafcdf7fb9a4613313ad11b4f8fefe7d3fa0130" + +[[package]] +name = "jobserver" +version = "0.1.22" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "972f5ae5d1cb9c6ae417789196c803205313edde988685da5e3aae0827b9e7fd" +dependencies = [ + "libc", +] + +[[package]] +name = "js-sys" +version = "0.3.50" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2d99f9e3e84b8f67f846ef5b4cbbc3b1c29f6c759fcbce6f01aa0e73d932a24c" +dependencies = [ + "wasm-bindgen", +] + +[[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 = "0.2.93" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9385f66bf6105b241aa65a61cb923ef20efc665cb9f9bb50ac2f0c4b7f378d41" + +[[package]] +name = "libloading" +version = "0.7.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6f84d96438c15fcd6c3f244c8fce01d1e2b9c6b5623e9c711dc9286d8fc92d6a" +dependencies = [ + "cfg-if 1.0.0", + "winapi", +] + +[[package]] +name = "lock_api" +version = "0.4.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5a3c91c24eae6777794bb1997ad98bbb87daf92890acab859f7eaa4320333176" +dependencies = [ + "scopeguard", +] + +[[package]] +name = "log" +version = "0.4.14" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710" +dependencies = [ + "cfg-if 1.0.0", +] + +[[package]] +name = "mach" +version = "0.3.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b823e83b2affd8f40a9ee8c29dbc56404c1e34cd2710921f2801e2cf29527afa" +dependencies = [ + "libc", +] + +[[package]] +name = "maybe-uninit" +version = "2.0.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00" + +[[package]] +name = "memchr" +version = "2.3.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525" + +[[package]] +name = "minifb" +version = "0.19.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7b6e41119d1667465608d36488fa5dcd228057a26c156e25f17f492f38435124" +dependencies = [ + "cc", + "orbclient", + "raw-window-handle", + "tempfile", + "wayland-client", + "wayland-cursor", + "wayland-protocols", + "winapi", + "x11-dl", + "xkb", + "xkbcommon-sys", +] + +[[package]] +name = "miniz_oxide" +version = "0.4.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a92518e98c078586bc6c934028adcca4c92a53d6a958196de835170a01d84e4b" +dependencies = [ + "adler", + "autocfg", +] + +[[package]] +name = "ndk" +version = "0.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8794322172319b972f528bf90c6b467be0079f1fa82780ffb431088e741a73ab" +dependencies = [ + "jni-sys", + "ndk-sys", + "num_enum", + "thiserror", +] + +[[package]] +name = "ndk-glue" +version = "0.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c5caf0c24d51ac1c905c27d4eda4fa0635bbe0de596b8f79235e0b17a4d29385" +dependencies = [ + "lazy_static", + "libc", + "log", + "ndk", + "ndk-macro", + "ndk-sys", +] + +[[package]] +name = "ndk-macro" +version = "0.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "05d1c6307dc424d0f65b9b06e94f88248e6305726b14729fd67a5e47b2dc481d" +dependencies = [ + "darling", + "proc-macro-crate", + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "ndk-sys" +version = "0.2.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c44922cb3dbb1c70b5e5f443d63b64363a898564d739ba5198e3a9138442868d" + +[[package]] +name = "nix" +version = "0.20.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "fa9b4819da1bc61c0ea48b63b7bc8604064dd43013e7cc325df098d49cd7c18a" +dependencies = [ + "bitflags", + "cc", + "cfg-if 1.0.0", + "libc", +] + +[[package]] +name = "nom" +version = "5.1.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ffb4262d26ed83a1c0a33a38fe2bb15797329c85770da05e6b828ddb782627af" +dependencies = [ + "memchr", + "version_check", +] + +[[package]] +name = "nom" +version = "6.1.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e7413f999671bd4745a7b624bd370a569fb6bc574b23c83a3c5ed2e453f3d5e2" +dependencies = [ + "memchr", + "version_check", +] + +[[package]] +name = "num-derive" +version = "0.3.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "876a53fff98e03a936a674b29568b0e605f06b29372c2489ff4de23f1949743d" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "num-traits" +version = "0.2.14" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290" +dependencies = [ + "autocfg", +] + +[[package]] +name = "num_enum" +version = "0.5.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "226b45a5c2ac4dd696ed30fa6b94b057ad909c7b7fc2e0d0808192bced894066" +dependencies = [ + "derivative", + "num_enum_derive", +] + +[[package]] +name = "num_enum_derive" +version = "0.5.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1c0fd9eba1d5db0994a239e09c1be402d35622277e35468ba891aa5e3188ce7e" +dependencies = [ + "proc-macro-crate", + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "oboe" +version = "0.4.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4cfb2390bddb9546c0f7448fd1d2abdd39e6075206f960991eb28c7fa7f126c4" +dependencies = [ + "jni", + "ndk", + "ndk-glue", + "num-derive", + "num-traits", + "oboe-sys", +] + +[[package]] +name = "oboe-sys" +version = "0.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "fe069264d082fc820dfa172f79be3f2e088ecfece9b1c47b0c9fd838d2bef103" +dependencies = [ + "cc", +] + +[[package]] +name = "once_cell" +version = "1.7.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "af8b08b04175473088b46763e51ee54da5f9a164bc162f615b91bc179dbf15a3" + +[[package]] +name = "orbclient" +version = "0.3.31" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0c976c5018e7f1db4359616d8b31ef8ae7d9649b11803c0b38fff67fd2999fc8" +dependencies = [ + "libc", + "raw-window-handle", + "redox_syscall", + "sdl2", + "sdl2-sys", + "wasm-bindgen", + "web-sys", +] + +[[package]] +name = "parking_lot" +version = "0.11.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6d7744ac029df22dca6284efe4e898991d28e3085c706c972bcd7da4a27a15eb" +dependencies = [ + "instant", + "lock_api", + "parking_lot_core", +] + +[[package]] +name = "parking_lot_core" +version = "0.8.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "fa7a782938e745763fe6907fc6ba86946d72f49fe7e21de074e08128a99fb018" +dependencies = [ + "cfg-if 1.0.0", + "instant", + "libc", + "redox_syscall", + "smallvec", + "winapi", +] + +[[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 = "0.3.19" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3831453b3449ceb48b6d9c7ad7c96d5ea673e9b470a1dc578c2ce6521230884c" + +[[package]] +name = "ppv-lite86" +version = "0.2.10" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857" + +[[package]] +name = "proc-macro-crate" +version = "0.1.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1d6ea3c4595b96363c13943497db34af4460fb474a95c43f4446ad341b8c9785" +dependencies = [ + "toml", +] + +[[package]] +name = "proc-macro2" +version = "1.0.26" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a152013215dca273577e18d2bf00fa862b89b24169fb78c4c95aeb07992c9cec" +dependencies = [ + "unicode-xid", +] + +[[package]] +name = "quote" +version = "1.0.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7" +dependencies = [ + "proc-macro2", +] + +[[package]] +name = "rand" +version = "0.8.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e" +dependencies = [ + "libc", + "rand_chacha", + "rand_core", + "rand_hc", +] + +[[package]] +name = "rand_chacha" +version = "0.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d" +dependencies = [ + "ppv-lite86", + "rand_core", +] + +[[package]] +name = "rand_core" +version = "0.6.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "34cf66eb183df1c5876e2dcf6b13d57340741e8dc255b48e40a26de954d06ae7" +dependencies = [ + "getrandom", +] + +[[package]] +name = "rand_hc" +version = "0.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73" +dependencies = [ + "rand_core", +] + +[[package]] +name = "raw-window-handle" +version = "0.3.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0a441a7a6c80ad6473bd4b74ec1c9a4c951794285bf941c2126f607c72e48211" +dependencies = [ + "libc", +] + +[[package]] +name = "redox_syscall" +version = "0.2.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8270314b5ccceb518e7e578952f0b72b88222d02e8f77f5ecf7abbb673539041" +dependencies = [ + "bitflags", +] + +[[package]] +name = "regex" +version = "1.4.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2a26af418b574bd56588335b3a3659a65725d4e636eb1016c2f9e3b38c7cc759" +dependencies = [ + "aho-corasick", + "memchr", + "regex-syntax", +] + +[[package]] +name = "regex-syntax" +version = "0.6.23" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "24d5f089152e60f62d28b835fbff2cd2e8dc0baf1ac13343bef92ab7eed84548" + +[[package]] +name = "remove_dir_all" +version = "0.5.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7" +dependencies = [ + "winapi", +] + +[[package]] +name = "rustc-hash" +version = "1.1.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2" + +[[package]] +name = "same-file" +version = "1.0.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502" +dependencies = [ + "winapi-util", +] + +[[package]] +name = "scopeguard" +version = "1.1.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd" + +[[package]] +name = "sdl2" +version = "0.34.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "505d7a6ef5f96289a6ec50fc8b65ec75f5571f0aa94fa6ea230f6b228fa05d57" +dependencies = [ + "bitflags", + "lazy_static", + "libc", + "raw-window-handle", + "sdl2-sys", +] + +[[package]] +name = "sdl2-sys" +version = "0.34.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4cb164f53dbcad111de976bbf1f3083d3fcdeda88da9cfa281c70822720ee3da" +dependencies = [ + "cfg-if 0.1.10", + "cmake", + "flate2", + "libc", + "tar", + "unidiff", + "version-compare", +] + +[[package]] +name = "serde" +version = "1.0.125" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "558dc50e1a5a5fa7112ca2ce4effcb321b0300c0d4ccf0776a9f60cd89031171" + +[[package]] +name = "shlex" +version = "0.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7fdf1b9db47230893d76faad238fd6097fd6d6a9245cd7a4d90dbd639536bbd2" + +[[package]] +name = "smallvec" +version = "1.6.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "fe0f37c9e8f3c5a4a66ad655a93c74daac4ad00c441533bf5c6e7990bb42604e" + +[[package]] +name = "stdweb" +version = "0.1.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ef5430c8e36b713e13b48a9f709cc21e046723fe44ce34587b73a830203b533e" + +[[package]] +name = "strsim" +version = "0.8.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a" + +[[package]] +name = "strsim" +version = "0.9.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6446ced80d6c486436db5c078dde11a9f73d42b57fb273121e160b84f63d894c" + +[[package]] +name = "syn" +version = "1.0.70" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b9505f307c872bab8eb46f77ae357c8eba1fdacead58ee5a850116b1d7f82883" +dependencies = [ + "proc-macro2", + "quote", + "unicode-xid", +] + +[[package]] +name = "tar" +version = "0.4.33" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c0bcfbd6a598361fda270d82469fff3d65089dc33e175c9a131f7b4cd395f228" +dependencies = [ + "filetime", + "libc", + "xattr", +] + +[[package]] +name = "tempfile" +version = "3.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22" +dependencies = [ + "cfg-if 1.0.0", + "libc", + "rand", + "redox_syscall", + "remove_dir_all", + "winapi", +] + +[[package]] +name = "termcolor" +version = "1.1.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2dfed899f0eb03f32ee8c6a0aabdb8a7949659e3466561fc0adf54e26d88c5f4" +dependencies = [ + "winapi-util", +] + +[[package]] +name = "textwrap" +version = "0.11.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060" +dependencies = [ + "unicode-width", +] + +[[package]] +name = "thiserror" +version = "1.0.24" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e0f4a65597094d4483ddaed134f409b2cb7c1beccf25201a9f73c719254fa98e" +dependencies = [ + "thiserror-impl", +] + +[[package]] +name = "thiserror-impl" +version = "1.0.24" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7765189610d8241a44529806d6fd1f2e0a08734313a35d5b3a556f92b381f3c0" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "toml" +version = "0.5.8" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa" +dependencies = [ + "serde", +] + +[[package]] +name = "unicode-width" +version = "0.1.8" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3" + +[[package]] +name = "unicode-xid" +version = "0.2.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564" + +[[package]] +name = "unidiff" +version = "0.3.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d8a62719acf1933bfdbeb73a657ecd9ecece70b405125267dd549e2e2edc232c" +dependencies = [ + "encoding_rs", + "lazy_static", + "regex", +] + +[[package]] +name = "vec_map" +version = "0.8.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191" + +[[package]] +name = "version-compare" +version = "0.0.10" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d63556a25bae6ea31b52e640d7c41d1ab27faba4ccb600013837a3d0b3994ca1" + +[[package]] +name = "version_check" +version = "0.9.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe" + +[[package]] +name = "walkdir" +version = "2.3.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "808cf2735cd4b6866113f648b791c6adc5714537bc222d9347bb203386ffda56" +dependencies = [ + "same-file", + "winapi", + "winapi-util", +] + +[[package]] +name = "wasi" +version = "0.10.2+wasi-snapshot-preview1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6" + +[[package]] +name = "wasm-bindgen" +version = "0.2.73" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "83240549659d187488f91f33c0f8547cbfef0b2088bc470c116d1d260ef623d9" +dependencies = [ + "cfg-if 1.0.0", + "wasm-bindgen-macro", +] + +[[package]] +name = "wasm-bindgen-backend" +version = "0.2.73" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ae70622411ca953215ca6d06d3ebeb1e915f0f6613e3b495122878d7ebec7dae" +dependencies = [ + "bumpalo", + "lazy_static", + "log", + "proc-macro2", + "quote", + "syn", + "wasm-bindgen-shared", +] + +[[package]] +name = "wasm-bindgen-macro" +version = "0.2.73" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3e734d91443f177bfdb41969de821e15c516931c3c3db3d318fa1b68975d0f6f" +dependencies = [ + "quote", + "wasm-bindgen-macro-support", +] + +[[package]] +name = "wasm-bindgen-macro-support" +version = "0.2.73" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d53739ff08c8a68b0fdbcd54c372b8ab800b1449ab3c9d706503bc7dd1621b2c" +dependencies = [ + "proc-macro2", + "quote", + "syn", + "wasm-bindgen-backend", + "wasm-bindgen-shared", +] + +[[package]] +name = "wasm-bindgen-shared" +version = "0.2.73" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d9a543ae66aa233d14bb765ed9af4a33e81b8b58d1584cf1b47ff8cd0b9e4489" + +[[package]] +name = "wayland-client" +version = "0.28.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "06ca44d86554b85cf449f1557edc6cc7da935cc748c8e4bf1c507cbd43bae02c" +dependencies = [ + "bitflags", + "downcast-rs", + "libc", + "nix", + "wayland-commons", + "wayland-scanner", + "wayland-sys", +] + +[[package]] +name = "wayland-commons" +version = "0.28.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8bd75ae380325dbcff2707f0cd9869827ea1d2d6d534cff076858d3f0460fd5a" +dependencies = [ + "nix", + "once_cell", + "smallvec", + "wayland-sys", +] + +[[package]] +name = "wayland-cursor" +version = "0.28.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b37e5455ec72f5de555ec39b5c3704036ac07c2ecd50d0bffe02d5fe2d4e65ab" +dependencies = [ + "nix", + "wayland-client", + "xcursor", +] + +[[package]] +name = "wayland-protocols" +version = "0.28.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "95df3317872bcf9eec096c864b69aa4769a1d5d6291a5b513f8ba0af0efbd52c" +dependencies = [ + "bitflags", + "wayland-client", + "wayland-commons", + "wayland-scanner", +] + +[[package]] +name = "wayland-scanner" +version = "0.28.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "389d680d7bd67512dc9c37f39560224327038deb0f0e8d33f870900441b68720" +dependencies = [ + "proc-macro2", + "quote", + "xml-rs", +] + +[[package]] +name = "wayland-sys" +version = "0.28.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2907bd297eef464a95ba9349ea771611771aa285b932526c633dc94d5400a8e2" +dependencies = [ + "pkg-config", +] + +[[package]] +name = "web-sys" +version = "0.3.50" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a905d57e488fec8861446d3393670fb50d27a262344013181c2cdf9fff5481be" +dependencies = [ + "js-sys", + "wasm-bindgen", +] + +[[package]] +name = "which" +version = "3.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d011071ae14a2f6671d0b74080ae0cd8ebf3a6f8c9589a2cd45f23126fe29724" +dependencies = [ + "libc", +] + +[[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-util" +version = "0.1.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178" +dependencies = [ + "winapi", +] + +[[package]] +name = "winapi-x86_64-pc-windows-gnu" +version = "0.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f" + +[[package]] +name = "x11-dl" +version = "2.18.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2bf981e3a5b3301209754218f962052d4d9ee97e478f4d26d4a6eced34c1fef8" +dependencies = [ + "lazy_static", + "libc", + "maybe-uninit", + "pkg-config", +] + +[[package]] +name = "xattr" +version = "0.2.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "244c3741f4240ef46274860397c7c74e50eb23624996930e484c16679633a54c" +dependencies = [ + "libc", +] + +[[package]] +name = "xcursor" +version = "0.3.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3a9a231574ae78801646617cefd13bfe94be907c0e4fa979cfd8b770aa3c5d08" +dependencies = [ + "nom 6.1.2", +] + +[[package]] +name = "xkb" +version = "0.2.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "aec02bc5de902aa579f3d2f2c522edaf40fa42963cbaffe645b058ddcc68fdb2" +dependencies = [ + "bitflags", + "libc", + "xkbcommon-sys", +] + +[[package]] +name = "xkbcommon-sys" +version = "0.7.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "59a001b79d45b0b4541c228a501177f2b35db976bf7ee3f7fce8fa2381554ab5" +dependencies = [ + "bindgen", + "libc", + "pkg-config", +] + +[[package]] +name = "xml-rs" +version = "0.8.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b07db065a5cf61a7e4ba64f29e67db906fb1787316516c4e6e5ff0fea1efcd8a" diff --git a/Cargo.toml b/Cargo.toml new file mode 100644 index 0000000..d68b694 --- /dev/null +++ b/Cargo.toml @@ -0,0 +1,12 @@ +[package] +name = "chip8-emu" +version = "0.1.0" +authors = ["matthew"] +edition = "2018" + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] +minifb = "0.19.3" +cpal = "0.13.3" +rand = "0.8.3" @@ -0,0 +1,13 @@ + DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE + Version 2, December 2004 + + Copyright (C) 2004 Sam Hocevar <sam@hocevar.net> + + Everyone is permitted to copy and distribute verbatim or modified + copies of this license document, and changing it is allowed as long + as the name is changed. + + DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE + TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION + + 0. You just DO WHAT THE FUCK YOU WANT TO. diff --git a/README.md b/README.md new file mode 100644 index 0000000..89edae0 --- /dev/null +++ b/README.md @@ -0,0 +1,32 @@ +# chip8-emu + +A small CHIP-8 emulator, written in Rust. +It uses the nightly feature `duration_saturating_ops`, so Rust nightly is required until this feature is stabilized. +It's been tested with a few programs including [corax89's chip8-test-rom](https://github.com/corax89/chip8-test-rom). +It should be invoked as: + +``` +chip8-emu <scale-factor> <clock-speed> <program-path> +``` + +For example: + +``` +chip8-emu 8 400 my_rom.ch8 +``` + +The original 4x4 hexadecimal keypad is mapped as follows: + +``` +╔═══╦═══╦═══╦═══╗ ╔═══╦═══╦═══╦═══╗ +║ 1 ║ 2 ║ 3 ║ C ║ ║ 1 ║ 2 ║ 3 ║ 4 ║ +╠═══╬═══╬═══╬═══╣ ╠═══╬═══╬═══╬═══╣ +║ 4 ║ 5 ║ 6 ║ D ║ ║ Q ║ W ║ E ║ R ║ +╠═══╬═══╬═══╬═══╣ -> ╠═══╬═══╬═══╬═══╣ +║ 7 ║ 8 ║ 9 ║ E ║ ║ A ║ S ║ D ║ F ║ +╠═══╬═══╬═══╬═══╣ ╠═══╬═══╬═══╬═══╣ +║ A ║ 0 ║ B ║ F ║ ║ Z ║ X ║ C ║ V ║ +╚═══╩═══╩═══╩═══╝ ╚═══╩═══╩═══╩═══╝ +``` + +Thanks to [Matthew Mikolay's CHIP-8 technical reference](https://github.com/mattmikolay/chip-8/) and anybody who contributed to the [CHIP-8 Wikipedia page](https://en.wikipedia.org/wiki/CHIP-8). diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..3fa8f4c --- /dev/null +++ b/src/main.rs @@ -0,0 +1,441 @@ +extern crate minifb; +extern crate cpal; +extern crate rand; + +use std::env; +use std::fs::File; +use std::io::Read; +use std::time::{Instant, Duration}; +use std::thread; +use std::sync::mpsc; +use std::path::Path; + +use minifb::{Window, WindowOptions, Key}; +use cpal::traits::{HostTrait, DeviceTrait, StreamTrait}; +use cpal::SampleFormat; + +const PROGRAM_START_ADDR: usize = 0x200; +const FONT_START_ADDR: usize = 0x000; +const MEMORY_LENGTH: usize = 0x1000; +const SCREEN_HEIGHT: usize = 0x20; +const SCREEN_WIDTH: usize = 0x40; +const PIXEL_OFF_COLOR: u32 = 0x00000000; +const PIXEL_ON_COLOR: u32 = 0x00FFFFFF; +const FONT_BYTES_PER_CHAR: u16 = 5; +const FONT_DATA: [u8; 80] = [ + 0xF0, 0x90, 0x90, 0x90, 0xF0, // 0 + 0x20, 0x60, 0x20, 0x20, 0x70, // 1 + 0xF0, 0x10, 0xF0, 0x80, 0xF0, // 2 + 0xF0, 0x10, 0xF0, 0x10, 0xF0, // 3 + 0x90, 0x90, 0xF0, 0x10, 0x10, // 4 + 0xF0, 0x80, 0xF0, 0x10, 0xF0, // 5 + 0xF0, 0x80, 0xF0, 0x90, 0xF0, // 6 + 0xF0, 0x10, 0x20, 0x40, 0x40, // 7 + 0xF0, 0x90, 0xF0, 0x90, 0xF0, // 8 + 0xF0, 0x90, 0xF0, 0x10, 0xF0, // 9 + 0xF0, 0x90, 0xF0, 0x90, 0x90, // A + 0xE0, 0x90, 0xE0, 0x90, 0xE0, // B + 0xF0, 0x80, 0x80, 0x80, 0xF0, // C + 0xE0, 0x90, 0x90, 0x90, 0xE0, // D + 0xF0, 0x80, 0xF0, 0x80, 0xF0, // E + 0xF0, 0x80, 0xF0, 0x80, 0x80, // F +]; + +struct Registers { + pub i: u16, + pub pc: u16, + pub v: [u8; 0x10], +} + +impl Registers { + fn new() -> Self { + Self { + i: 0, + pc: PROGRAM_START_ADDR as u16, + v: [0; 0x10], + } + } +} + +struct Display { + framebuffer: Vec<u32>, + window: Window, + scale_factor: usize, +} + +impl Display { + fn new(scale_factor: usize) -> Self { + Self { + framebuffer: vec![PIXEL_OFF_COLOR; SCREEN_HEIGHT * SCREEN_WIDTH * scale_factor * scale_factor], + window: Window::new("CHIP-8 Emulator", SCREEN_WIDTH * scale_factor, SCREEN_HEIGHT * scale_factor, WindowOptions::default()).unwrap(), + scale_factor, + } + } + + fn clear(&mut self) { + for pixel in &mut self.framebuffer { + *pixel = PIXEL_OFF_COLOR; + } + } + + fn redraw(&mut self) { + self.window.update_with_buffer(&self.framebuffer, SCREEN_WIDTH * self.scale_factor, SCREEN_HEIGHT * self.scale_factor).unwrap(); + } + + fn flip_pixel(&mut self, x: usize, y: usize) -> bool { + if let Some(pixel) = self.get_pixel(x, y) { + if *pixel == PIXEL_OFF_COLOR { + self.set_pixel(x, y, PIXEL_ON_COLOR); + false + } else { + self.set_pixel(x, y, PIXEL_OFF_COLOR); + true + } + } else { + false + } + } + + fn get_pixel(&self, x: usize, y: usize) -> Option<&u32> { + self.framebuffer.get(y * self.scale_factor * self.scale_factor * SCREEN_WIDTH + x * self.scale_factor) + } + + fn set_pixel(&mut self, x: usize, y: usize, color: u32) { + for x_scaled in 0..self.scale_factor { + for y_scaled in 0..self.scale_factor { + //if let Some(pixel) = self.framebuffer.get_mut((y * self.scale_factor + y_scaled) * SCREEN_WIDTH + x * self.scale_factor + x_scaled) { + if let Some(pixel) = self.framebuffer.get_mut((y * self.scale_factor + y_scaled) * self.scale_factor * SCREEN_WIDTH + x * self.scale_factor + x_scaled ) { + *pixel = color; + } + } + } + } + + fn is_key_down(&self, key: Key) -> bool { + self.window.is_key_down(key) + } + + fn is_open(&self) -> bool { + self.window.is_open() + } + + fn update_without_redraw(&mut self) { + self.window.update(); + } +} + +struct Buzzer { + stream: cpal::Stream, +} + +impl Buzzer { + fn new() -> Self { + let host = cpal::default_host(); + let device = host.devices().unwrap().next().unwrap(); + let supported_config = device.default_output_config().expect("Failed to determine default output configuration for audio device!"); + let sample_format = supported_config.sample_format(); + let config = supported_config.into(); + let stream = match sample_format { + SampleFormat::F32 => Self::build_stream::<f32>(&device, &config), + SampleFormat::I16 => Self::build_stream::<i16>(&device, &config), + SampleFormat::U16 => Self::build_stream::<u16>(&device, &config), + }; + stream.pause().unwrap(); + Self { + stream, + } + } + + fn build_stream<T>(device: &cpal::Device, config: &cpal::StreamConfig) -> cpal::Stream + where + T: cpal::Sample + { + let sample_rate = config.sample_rate.0 as f32; + let channels = config.channels as usize; + + let mut sample_clock = 0f32; + let mut next_value = move || { + sample_clock = (sample_clock + 1.0) % sample_rate; + (sample_clock * 440.0 * 2.0 * std::f32::consts::PI / sample_rate).sin() + }; + + let err_fn = |err| println!("An error occurend on audio stream: {}", err); + + device.build_output_stream( + config, + move |data: &mut [T], _: &cpal::OutputCallbackInfo| { + Self::write_data(data, channels, &mut next_value) + }, + err_fn, + ).expect("Failed to build audio output stream!") + } + + fn write_data<T>(output: &mut [T], channels: usize, next_sample: &mut dyn FnMut() -> f32) + where + T: cpal::Sample + { + for frame in output.chunks_mut(channels) { + let value: T = cpal::Sample::from::<f32>(&next_sample()); + for sample in frame.iter_mut() { + *sample = value; + } + } + } + + fn play(&self) { + self.stream.play().unwrap(); + } + + fn pause(&self) { + self.stream.pause().unwrap(); + } +} + +// TODO: play sound +fn main() { + let mut args = env::args(); + args.next(); // Discard path to binary + let mut memory = vec![0; MEMORY_LENGTH]; + memory[FONT_START_ADDR..(FONT_START_ADDR + FONT_DATA.len())].copy_from_slice(&FONT_DATA); + let mut display = Display::new(args.next() + .expect("Invalid arguments. Specify a scale factor.") + .trim() + .parse::<usize>() + .expect("Only integer scale factors are supported.")); + let cycle_duration = Duration::from_secs(1) / args.next() + .expect("Invalid arguments. Specify a clock speed.") + .trim() + .parse::<u32>() + .expect("Only integer clock speeds are supported."); + { + let file_name = args.next().expect("Invalid arguments. Specify the path to the program."); + let mut program = File::open(Path::new(&file_name)).expect(&format!("Failed to open: {}", file_name)); + program.read(&mut memory[PROGRAM_START_ADDR..MEMORY_LENGTH]).expect("Failed to read program into memory!"); + } + let mut stack: Vec<u16> = Vec::new(); + let mut reg = Registers::new(); + let mut delay_timer: u8 = 0x00; + let mut sound_timer: u8 = 0x00; + let buzzer = Buzzer::new(); + let (timer_tx, timer_rx) = mpsc::channel::<()>(); + let (end_tx, end_rx) = mpsc::channel::<()>(); + thread::spawn(move || { + let cycle_duration = Duration::from_secs(1) / 60; + loop { + let start_time = Instant::now(); + if let Ok(_) = end_rx.try_recv() { + break; + } + timer_tx.send(()).expect("Failed to update timers!"); + thread::sleep(cycle_duration.saturating_sub(start_time.elapsed())); + } + }); + let mut waiting_for_key: Option<usize> = None; + let keymap = [ + Key::X, + Key::Key1, + Key::Key2, + Key::Key3, + Key::Q, + Key::W, + Key::E, + Key::A, + Key::S, + Key::D, + Key::Z, + Key::C, + Key::Key4, + Key::R, + Key::F, + Key::V, + ]; + while !display.is_key_down(Key::Escape) && display.is_open() { + let cycle_start_time = Instant::now(); + if let Some(register) = waiting_for_key { + for i in 0..keymap.len() { + if display.is_key_down(keymap[i]) { + reg.v[register] = i as u8; + waiting_for_key = None; + break; + } + } + display.update_without_redraw(); + thread::sleep(cycle_duration.saturating_sub(cycle_start_time.elapsed())); + continue; + } + let operation = u16::from_be_bytes([memory[reg.pc as usize], memory[(reg.pc + 1) as usize]]); + reg.pc += 2; + let high_nibble = (operation & 0xF000) >> 12; + match high_nibble { + 0x00 => { + match operation { + 0x00E0 => { + display.clear(); + display.redraw(); + }, + 0x00EE => reg.pc = stack.pop().expect("Attempted to return with an empty stack!"), + _ => panic!("Not implemented: {:#x} (execute machine language subroutine)", operation), + } + }, + 0x01 => reg.pc = operation & 0x0FFF, + 0x02 => { + stack.push(reg.pc); + reg.pc = operation & 0x0FFF; + }, + 0x03 => { + let register = (operation & 0x0F00) >> 8; + if reg.v[register as usize] == (operation & 0x00FF) as u8 { + reg.pc += 2; + } + }, + 0x04 => { + let register = (operation & 0x0F00) >> 8; + if reg.v[register as usize] != (operation & 0x00FF) as u8 { + reg.pc += 2; + } + }, + 0x05 => { + let x = (operation & 0x0F00) >> 8; + let y = (operation & 0x00F0) >> 4; + if reg.v[x as usize] == reg.v[y as usize] { + reg.pc += 2; + } + }, + 0x06 => { + let register = (operation & 0x0F00) >> 8; + let value = (operation & 0x00FF) as u8; + reg.v[register as usize] = value; + }, + 0x07 => { + let register = ((operation & 0x0F00) >> 8) as usize; + let value = (operation & 0x00FF) as u8; + reg.v[register] = reg.v[register].wrapping_add(value); + }, + 0x08 => { + let x = ((operation & 0x0F00) >> 8) as usize; + let y = ((operation & 0x00F0) >> 4) as usize; + match operation & 0x000F { + 0x00 => reg.v[x] = reg.v[y], + 0x01 => reg.v[x] = reg.v[x] | reg.v[y], + 0x02 => reg.v[x] = reg.v[x] & reg.v[y], + 0x03 => reg.v[x] = reg.v[x] ^ reg.v[y], + 0x04 => { + let (result, overflowed) = reg.v[x].overflowing_add(reg.v[y]); + reg.v[x] = result; + reg.v[0xF] = overflowed as u8; + }, + 0x05 => { + let (result, overflowed) = reg.v[x].overflowing_sub(reg.v[y]); + reg.v[x] = result; + reg.v[0xF] = (!overflowed) as u8; + }, + 0x06 => { + reg.v[x] = reg.v[y] >> 1; + reg.v[0xF] = reg.v[y] & 0x01; + }, + 0x07 => { + let (result, overflowed) = reg.v[y].overflowing_sub(reg.v[x]); + reg.v[x] = result; + reg.v[0xF] = (!overflowed) as u8; + } + 0x0E => { + reg.v[x] = reg.v[y] << 1; + reg.v[0xF] = (reg.v[y] & 0x80) >> 7; + } + _ => panic!("Invalid instruction: {:#x}", operation), + } + }, + 0x09 => { + let x = (operation & 0x0F00) >> 8; + let y = (operation & 0x00F0) >> 4; + if reg.v[x as usize] != reg.v[y as usize] { + reg.pc += 2; + } + }, + 0x0A => reg.i = operation & 0x0FFF, + 0x0B => reg.pc = (operation & 0x0FFF) + (reg.v[0] as u16), + 0x0C => { + let register = ((operation & 0x0F00) >> 8) as usize; + let mask = (operation & 0x00FF) as u8; + reg.v[register] = rand::random::<u8>() & mask; + }, + 0x0D => { + reg.v[0xF] = 0x00; + let x = reg.v[((operation & 0x0F00) >> 8) as usize] % (SCREEN_WIDTH as u8); + let y = reg.v[((operation & 0x00F0) >> 4) as usize] % (SCREEN_HEIGHT as u8); + let rows = operation & 0x000F; + for row in 0..rows { + let row_data = memory[(reg.i + row) as usize]; + for column in 0..8 { + let pixel_state = (row_data << column) & 0x80; + if pixel_state == 0x80 { + reg.v[0xF] |= display.flip_pixel((x + column) as usize, (y + (row as u8)) as usize) as u8; + } + } + } + display.redraw(); + }, + 0x0E => { + let key = keymap[reg.v[((operation & 0x0F00) >> 8) as usize] as usize]; + match operation & 0x00FF { + 0x9E => { + if display.is_key_down(key) { + reg.pc += 2; + } + }, + 0xA1 => { + if !display.is_key_down(key) { + reg.pc += 2; + } + }, + _ => panic!("Invalid instruction: {:#x}", operation), + } + }, + 0x0F => { + let register = ((operation & 0x0F00) >> 8) as usize; + match operation & 0x00FF { + 0x07 => reg.v[register] = delay_timer, + 0x0A => waiting_for_key = Some(register), + 0x15 => delay_timer = reg.v[register], + 0x18 => sound_timer = reg.v[register], + 0x1E => reg.i = reg.i.wrapping_add(reg.v[register] as u16), + 0x29 => reg.i = FONT_START_ADDR as u16 + reg.v[register] as u16 * FONT_BYTES_PER_CHAR, + 0x33 => { + memory[reg.i as usize] = reg.v[register] / 100; + memory[reg.i as usize + 1] = (reg.v[register] % 100) / 10; + memory[reg.i as usize + 2] = reg.v[register] % 10; + }, + 0x55 => { + for i in 0..=register { + memory[reg.i as usize] = reg.v[i]; + reg.i += 1; + } + }, + 0x65 => { + for i in 0..=register { + reg.v[i] = memory[reg.i as usize]; + reg.i += 1; + } + }, + _ => panic!("Invalid instruction: {:#x}", operation), + } + } + _ => panic!("Not implemented: {:#x}", operation), + } + if let Ok(()) = timer_rx.try_recv() { + delay_timer = delay_timer.saturating_sub(1); + sound_timer = sound_timer.saturating_sub(1); + } + if sound_timer > 1 { + buzzer.play(); + } else { + buzzer.pause(); + } + // saturating_sub is still unstable for durations + /*if cycle_duration > cycle_start_time.elapsed() { + thread::sleep(cycle_duration - cycle_start_time.elapsed()); + }*/ + thread::sleep(cycle_duration.saturating_sub(cycle_start_time.elapsed())); + } + end_tx.send(()).unwrap(); +} |