makes audio... ish

This commit is contained in:
Alex Janka 2023-02-15 16:11:32 +11:00
parent 579d13d0ef
commit 0d48a58525
4 changed files with 586 additions and 28 deletions

512
Cargo.lock generated
View file

@ -2,12 +2,54 @@
# It is not intended for manual editing.
version = 3
[[package]]
name = "alsa"
version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8512c9117059663fb5606788fbca3619e2a91dac0e3fe516242eab1fa6be5e44"
dependencies = [
"alsa-sys",
"bitflags",
"libc",
"nix 0.24.3",
]
[[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 = "autocfg"
version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
[[package]]
name = "bindgen"
version = "0.61.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8a022e58a142a46fea340d68012b9201c094e93ec3d033a944a24f8fd4a4f09a"
dependencies = [
"bitflags",
"cexpr",
"clang-sys",
"lazy_static",
"lazycell",
"peeking_take_while",
"proc-macro2",
"quote",
"regex",
"rustc-hash",
"shlex",
"syn",
]
[[package]]
name = "bitflags"
version = "1.3.2"
@ -20,11 +62,35 @@ version = "3.12.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0d261e256854913907f67ed06efbc3338dfe6179796deefc1ff763fc1aee5535"
[[package]]
name = "bytes"
version = "1.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "89b2fd2a0dcf38d7971e2194b6b6eebab45ae01067456a7fd93d5547a61b70be"
[[package]]
name = "cc"
version = "1.0.78"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a20104e2335ce8a659d6dd92a51a767a0c062599c73b343fd152cb401e828c3d"
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 = "0.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
dependencies = [
"nom",
]
[[package]]
name = "cfg-if"
@ -32,6 +98,17 @@ version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
[[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 = "clap"
version = "4.1.1"
@ -78,28 +155,96 @@ dependencies = [
"cc",
]
[[package]]
name = "combine"
version = "4.6.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "35ed6e9d84f0b51a7f52daf1c7d71dd136fd7a3f41a8462b8cdb8c78d920fad4"
dependencies = [
"bytes",
"memchr",
]
[[package]]
name = "core-foundation"
version = "0.9.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "194a7a9e6de53fa55116934067c844d9d749312f75c6f6d0980e8c252f8c2146"
dependencies = [
"core-foundation-sys",
"core-foundation-sys 0.8.3",
"libc",
]
[[package]]
name = "core-foundation-sys"
version = "0.6.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e7ca8a5221364ef15ce201e8ed2f609fc312682a8f4e0e3d4aa5879764e0fa3b"
[[package]]
name = "core-foundation-sys"
version = "0.8.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"
[[package]]
name = "coreaudio-rs"
version = "0.11.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cb17e2d1795b1996419648915df94bc7103c28f7b48062d7acf4652fc371b2ff"
dependencies = [
"bitflags",
"core-foundation-sys 0.6.2",
"coreaudio-sys",
]
[[package]]
name = "coreaudio-sys"
version = "0.2.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1a9444b94b8024feecc29e01a9706c69c1e26bfee480221c90764200cfd778fb"
dependencies = [
"bindgen",
]
[[package]]
name = "cpal"
version = "0.15.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d34fa7b20adf588f73f094cd9b1d944977c686e37a2759ea217ab174f017e10a"
dependencies = [
"alsa",
"core-foundation-sys 0.8.3",
"coreaudio-rs",
"dasp_sample",
"jni 0.19.0",
"js-sys",
"libc",
"mach",
"ndk",
"ndk-context",
"oboe",
"once_cell",
"parking_lot",
"thiserror",
"wasm-bindgen",
"wasm-bindgen-futures",
"web-sys",
"windows 0.44.0",
]
[[package]]
name = "cty"
version = "0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b365fabc795046672053e29c954733ec3b05e4be654ab130fe8f1f94d7051f35"
[[package]]
name = "dasp_sample"
version = "0.11.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0c87e182de0887fd5361989c677c4e8f5000cd9491d6d563161a8f3a5519fc7f"
[[package]]
name = "dlib"
version = "0.5.0"
@ -245,6 +390,7 @@ name = "gb-emu"
version = "0.1.0"
dependencies = [
"clap",
"cpal",
"gilrs",
"minifb",
"rand",
@ -293,9 +439,21 @@ dependencies = [
"vec_map",
"wasm-bindgen",
"web-sys",
"windows",
"windows 0.43.0",
]
[[package]]
name = "glob"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
[[package]]
name = "hashbrown"
version = "0.12.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
[[package]]
name = "heck"
version = "0.4.0"
@ -311,6 +469,16 @@ dependencies = [
"libc",
]
[[package]]
name = "indexmap"
version = "1.9.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1885e79c1fc4b10f0e172c475f458b7f7b93061064d98c3293e98c5ba0c8b399"
dependencies = [
"autocfg",
"hashbrown",
]
[[package]]
name = "instant"
version = "0.1.12"
@ -329,7 +497,7 @@ version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7789f7f3c9686f96164f5109d69152de759e76e284f736bd57661c6df5091919"
dependencies = [
"core-foundation-sys",
"core-foundation-sys 0.8.3",
"mach",
]
@ -340,7 +508,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e7d6c6f8c91b4b9ed43484ad1a938e393caf35960fce7f82a040497207bd8e9e"
dependencies = [
"libc",
"windows-sys",
"windows-sys 0.42.0",
]
[[package]]
@ -352,7 +520,50 @@ dependencies = [
"hermit-abi",
"io-lifetimes",
"rustix",
"windows-sys",
"windows-sys 0.42.0",
]
[[package]]
name = "jni"
version = "0.19.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c6df18c2e3db7e453d3c6ac5b3e9d5182664d28788126d39b91f2d1e22b017ec"
dependencies = [
"cesu8",
"combine",
"jni-sys",
"log",
"thiserror",
"walkdir",
]
[[package]]
name = "jni"
version = "0.20.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "039022cdf4d7b1cf548d31f60ae783138e5fd42013f6271049d7df7afadef96c"
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 = "0.1.25"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "068b1ee6743e4d11fb9c6a1e6064b3693a1b600e7f5f5988047d98b3dc9fb90b"
dependencies = [
"libc",
]
[[package]]
@ -370,6 +581,12 @@ 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"
@ -411,6 +628,16 @@ version = "0.1.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f051f77a7c8e6957c0696eac88f26b0117e54f52d3fc682ab19397a8812846a4"
[[package]]
name = "lock_api"
version = "0.4.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "435011366fe56583b16cf956f9df0095b405b82d76425bc8981c0e22e60ec4df"
dependencies = [
"autocfg",
"scopeguard",
]
[[package]]
name = "log"
version = "0.4.17"
@ -476,6 +703,35 @@ version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
[[package]]
name = "ndk"
version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "451422b7e4718271c8b5b3aadf5adedba43dc76312454b387e98fae0fc951aa0"
dependencies = [
"bitflags",
"jni-sys",
"ndk-sys",
"num_enum",
"raw-window-handle 0.5.0",
"thiserror",
]
[[package]]
name = "ndk-context"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "27b02d87554356db9e9a873add8782d4ea6e3e58ea071a9adb9a2e8ddb884a8b"
[[package]]
name = "ndk-sys"
version = "0.4.1+23.1.7779620"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3cf2aae958bd232cac5069850591667ad422d263686d75b52a065f9badeee5a3"
dependencies = [
"jni-sys",
]
[[package]]
name = "nix"
version = "0.24.3"
@ -510,6 +766,79 @@ dependencies = [
"minimal-lexical",
]
[[package]]
name = "nom8"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ae01545c9c7fc4486ab7debaf2aad7003ac19431791868fb2e8066df97fad2f8"
dependencies = [
"memchr",
]
[[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 = "0.2.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
dependencies = [
"autocfg",
]
[[package]]
name = "num_enum"
version = "0.5.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8d829733185c1ca374f17e52b762f24f535ec625d2cc1f070e34c8a9068f341b"
dependencies = [
"num_enum_derive",
]
[[package]]
name = "num_enum_derive"
version = "0.5.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2be1598bf1c313dcdd12092e3f1920f463462525a21b7b4e11b4168353d0123e"
dependencies = [
"proc-macro-crate",
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "oboe"
version = "0.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8868cc237ee02e2d9618539a23a8d228b9bb3fc2e7a5b11eed3831de77c395d0"
dependencies = [
"jni 0.20.0",
"ndk",
"ndk-context",
"num-derive",
"num-traits",
"oboe-sys",
]
[[package]]
name = "oboe-sys"
version = "0.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7f44155e7fb718d3cfddcf70690b2b51ac4412f347cd9e4fbe511abe9cd7b5f2"
dependencies = [
"cc",
]
[[package]]
name = "once_cell"
version = "1.17.0"
@ -538,6 +867,35 @@ version = "6.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9b7820b9daea5457c9f21c69448905d723fbd21136ccf521748f23fd49e723ee"
[[package]]
name = "parking_lot"
version = "0.12.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f"
dependencies = [
"lock_api",
"parking_lot_core",
]
[[package]]
name = "parking_lot_core"
version = "0.9.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9069cbb9f99e3a5083476ccb29ceb1de18b9118cafa53e90c9551235de2b9521"
dependencies = [
"cfg-if",
"libc",
"redox_syscall",
"smallvec",
"windows-sys 0.45.0",
]
[[package]]
name = "peeking_take_while"
version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
[[package]]
name = "pin-project-lite"
version = "0.2.9"
@ -562,6 +920,16 @@ version = "0.2.17"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
[[package]]
name = "proc-macro-crate"
version = "1.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "66618389e4ec1c7afe67d51a9bf34ff9236480f8d51e7489b7d5ab0303c13f34"
dependencies = [
"once_cell",
"toml_edit",
]
[[package]]
name = "proc-macro-error"
version = "1.0.4"
@ -653,6 +1021,15 @@ dependencies = [
"cty",
]
[[package]]
name = "raw-window-handle"
version = "0.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ed7e3d950b66e19e0c372f3fa3fbbcf85b1746b571f74e0c2af6042a5c93420a"
dependencies = [
"cty",
]
[[package]]
name = "redox_syscall"
version = "0.2.16"
@ -662,6 +1039,21 @@ dependencies = [
"bitflags",
]
[[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 = "remove_dir_all"
version = "0.5.3"
@ -671,6 +1063,12 @@ dependencies = [
"winapi",
]
[[package]]
name = "rustc-hash"
version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
[[package]]
name = "rustix"
version = "0.36.6"
@ -682,7 +1080,16 @@ dependencies = [
"io-lifetimes",
"libc",
"linux-raw-sys",
"windows-sys",
"windows-sys 0.42.0",
]
[[package]]
name = "same-file"
version = "1.0.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
dependencies = [
"winapi-util",
]
[[package]]
@ -700,6 +1107,12 @@ version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e1cf6437eb19a8f4a6cc0f7dca544973b0b78843adbfeb3683d1a94a0024a294"
[[package]]
name = "scopeguard"
version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
[[package]]
name = "sdl2"
version = "0.35.2"
@ -745,6 +1158,12 @@ dependencies = [
"syn",
]
[[package]]
name = "shlex"
version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "43b2853a4d09f215c24cc5489c992ce46052d359b5109343cbafbf26bc62f8a3"
[[package]]
name = "slab"
version = "0.4.7"
@ -810,6 +1229,43 @@ dependencies = [
"winapi-util",
]
[[package]]
name = "thiserror"
version = "1.0.38"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6a9cd18aa97d5c45c6603caea1da6628790b37f7a34b6ca89522331c5180fed0"
dependencies = [
"thiserror-impl",
]
[[package]]
name = "thiserror-impl"
version = "1.0.38"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1fb327af4685e4d03fa8cbcf1716380da910eeb2bb8be417e7f9fd3fb164f36f"
dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "toml_datetime"
version = "0.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4553f467ac8e3d374bc9a177a26801e5d0f9b211aa1673fb137a403afd1c9cf5"
[[package]]
name = "toml_edit"
version = "0.18.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "56c59d8dd7d0dcbc6428bf7aa2f0e823e26e43b3c9aca15bbc9475d23e5fa12b"
dependencies = [
"indexmap",
"nom8",
"toml_datetime",
]
[[package]]
name = "unicode-ident"
version = "1.0.6"
@ -840,6 +1296,17 @@ version = "0.9.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
[[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 = "0.11.0+wasi-snapshot-preview1"
@ -1041,6 +1508,15 @@ dependencies = [
"windows_x86_64_msvc",
]
[[package]]
name = "windows"
version = "0.44.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9e745dab35a0c4c77aa3ce42d595e13d2003d6902d6b08c9ef5fc326d08da12b"
dependencies = [
"windows-targets",
]
[[package]]
name = "windows-sys"
version = "0.42.0"
@ -1056,6 +1532,30 @@ dependencies = [
"windows_x86_64_msvc",
]
[[package]]
name = "windows-sys"
version = "0.45.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "75283be5efb2831d37ea142365f009c02ec203cd29a3ebecbc093d52315b66d0"
dependencies = [
"windows-targets",
]
[[package]]
name = "windows-targets"
version = "0.42.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8e2522491fbfcd58cc84d47aeb2958948c4b8982e9a2d8a2a35bbaed431390e7"
dependencies = [
"windows_aarch64_gnullvm",
"windows_aarch64_msvc",
"windows_i686_gnu",
"windows_i686_msvc",
"windows_x86_64_gnu",
"windows_x86_64_gnullvm",
"windows_x86_64_msvc",
]
[[package]]
name = "windows_aarch64_gnullvm"
version = "0.42.1"

View file

@ -12,3 +12,4 @@ minifb = "0.23"
rand = "0.8.5"
gilrs = "0.10.1"
samplerate = "0.2.4"
cpal = "0.15.0"

View file

@ -1,4 +1,4 @@
use samplerate::{convert, ConverterType};
use std::sync::RwLock;
use crate::{
processor::{
@ -8,6 +8,11 @@ use crate::{
},
util::{get_bit, set_or_clear_bit},
};
use cpal::{
traits::{DeviceTrait, HostTrait, StreamTrait},
Stream,
};
use samplerate::{ConverterType, Samplerate};
use self::channels::{EnvelopeMode, NoiseChannel, PwmChannel, WaveChannel};
@ -53,10 +58,59 @@ pub struct Apu {
vol_right: u8,
div_apu: u8,
buffer: Vec<f32>,
converter: Samplerate,
_stream: Stream,
}
static PLAY_BUFFER: RwLock<Vec<f32>> = RwLock::new(vec![]);
impl Default for Apu {
fn default() -> Self {
let host = cpal::default_host();
let device = host
.default_output_device()
.expect("no output device available");
let mut supported_configs_range = device
.supported_output_configs()
.expect("error while querying configs");
let config = supported_configs_range
.next()
.expect("no supported config?!")
.with_max_sample_rate()
.config();
let stream = device
.build_output_stream(
&config,
move |data: &mut [f32], _info: &cpal::OutputCallbackInfo| {
// react to stream events and read or write stream data here.
if let Ok(mut audio) = PLAY_BUFFER.try_write() {
if audio.len() >= data.len() {
let b = audio.split_off(data.len());
data.copy_from_slice(&audio);
*audio = b;
}
}
},
move |err| {
// react to errors here.
println!("audio error: {err}");
},
None, // None=blocking, Some(Duration)=timeout
)
.unwrap();
stream.play().unwrap();
let converter = Samplerate::new(
ConverterType::Linear,
CLOCK_SPEED as u32,
config.sample_rate.0,
1,
)
.unwrap();
Self {
mem: [0x0; MEM_SIZE],
apu_enable: true,
@ -66,12 +120,12 @@ impl Default for Apu {
vol_right: 7,
div_apu: 0,
buffer: vec![],
converter,
_stream: stream,
}
}
}
const SAMPLE_RATE: u32 = 44100;
impl Apu {
pub fn div_apu_tick(&mut self) {
self.div_apu = self.div_apu.wrapping_add(1);
@ -100,15 +154,10 @@ impl Apu {
}
fn next_audio(&mut self) {
let _converted = convert(
CLOCK_SPEED as u32,
SAMPLE_RATE,
1,
ConverterType::Linear,
&self.buffer,
)
.unwrap();
self.buffer.clear();
if let Ok(mut audio) = PLAY_BUFFER.try_write() {
audio.append(&mut self.converter.process(&self.buffer).unwrap());
self.buffer.clear();
}
}
pub fn get_register(&self, addr: Address) -> u8 {

View file

@ -122,16 +122,24 @@ impl PwmChannel {
}
pub fn tick(&mut self, steps: usize) -> Vec<f32> {
(0..steps)
.map(|_| {
let b;
(self.wave_timer, b) = self.wave_timer.overflowing_sub(1);
if b {
self.wave_position = (self.wave_position + 1) % 8;
}
(self.duty_cycle.as_waveform()[self.wave_position] as f32 * (-2.)) + 1.
})
.collect()
if self.enabled {
(0..steps)
.map(|_| {
let b;
(self.wave_timer, b) = self.wave_timer.overflowing_sub(1);
if b {
self.wave_position = (self.wave_position + 1) % 8;
}
self.dac(self.duty_cycle.as_waveform()[self.wave_position])
})
.collect()
} else {
vec![0.; steps]
}
}
fn dac(&self, digital: u8) -> f32 {
((digital as f32) * (-2.)) + 1.
}
pub(super) fn update_sweep(&mut self, pace: u8, mode: EnvelopeMode, slope: u8) {