diff --git a/pico/Cargo.lock b/pico/Cargo.lock
index 7b73325..62e5856 100644
--- a/pico/Cargo.lock
+++ b/pico/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "aho-corasick"
@@ -19,9 +19,9 @@ checksum = "96d30a06541fbafbc7f82ed10c06164cfbd2c401138f6addd8404629c4b16711"
 
 [[package]]
 name = "ascii-canvas"
-version = "3.0.0"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8824ecca2e851cec16968d54a01dd372ef8f95b244fb84b84e70128be347c3c6"
+checksum = "ef1e3e699d84ab1b0911a1010c5c106aa34ae89aeac103be5ce0c3859db1e891"
 dependencies = [
  "term",
 ]
@@ -43,18 +43,18 @@ dependencies = [
 
 [[package]]
 name = "bit-set"
-version = "0.5.3"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0700ddab506f33b20a03b13996eccd309a48e5ff77d0d95926aa0210fb4e95f1"
+checksum = "08807e080ed7f9d5433fa9b275196cfc35414f66a0c79d864dc51a0d825231a3"
 dependencies = [
  "bit-vec",
 ]
 
 [[package]]
 name = "bit-vec"
-version = "0.6.3"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "349f9b6a179ed607305526ca489b34ad0a41aed5f7980fa90eb03160b69598fb"
+checksum = "5e764a1d40d510daf35e07be9eb06e75770908c27d411ee6c92109c9840eaaf7"
 
 [[package]]
 name = "bitfield"
@@ -80,6 +80,15 @@ version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
 
+[[package]]
+name = "block-buffer"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "byteorder"
 version = "1.5.0"
@@ -134,6 +143,15 @@ dependencies = [
  "syn 2.0.91",
 ]
 
+[[package]]
+name = "cpufeatures"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59ed5838eebb26a2bb2e58f6d5b5316989ae9d08bab10e0e6d103e656d1b0280"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "crc-any"
 version = "2.5.0"
@@ -150,10 +168,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7059fff8937831a9ae6f0fe4d658ffabf58f2ca96aa9dec1c889f936f705f216"
 
 [[package]]
-name = "crunchy"
-version = "0.2.2"
+name = "crypto-common"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
 
 [[package]]
 name = "debug-helper"
@@ -190,34 +212,17 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3983b127f13995e68c1e29071e5d115cd96f215ccb5e6812e3728cd6f92653b3"
 dependencies = [
- "thiserror 2.0.9",
+ "thiserror",
 ]
 
 [[package]]
-name = "diff"
-version = "0.1.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56254986775e3233ffa9c4d7d3faaf6d36a2c09d30b20687e9f88bc8bafc16c8"
-
-[[package]]
-name = "dirs-next"
-version = "2.0.0"
+name = "digest"
+version = "0.10.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b98cf8ebf19c3d1b223e151f99a4f9f0690dca41414773390fc824184ac833e1"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
- "cfg-if",
- "dirs-sys-next",
-]
-
-[[package]]
-name = "dirs-sys-next"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ebda144c4fe02d1f7ea1a7d9641b6fc6b580adcfa024ae48797ecdeb6825b4d"
-dependencies = [
- "libc",
- "redox_users",
- "winapi",
+ "block-buffer",
+ "crypto-common",
 ]
 
 [[package]]
@@ -302,9 +307,9 @@ checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
 [[package]]
 name = "fixedbitset"
-version = "0.4.2"
+version = "0.5.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
+checksum = "1d674e81391d1e1ab681a28d99df07927c6d4aa5b027d7da16ba32d1d21ecd99"
 
 [[package]]
 name = "frunk"
@@ -361,14 +366,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1d758ba1b47b00caf47f24925c0074ecb20d6dfcffe7f6d53395c0465674841a"
 
 [[package]]
-name = "getrandom"
-version = "0.2.15"
+name = "generic-array"
+version = "0.14.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
+checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
 dependencies = [
- "cfg-if",
- "libc",
- "wasi",
+ "typenum",
+ "version_check",
 ]
 
 [[package]]
@@ -382,9 +386,9 @@ dependencies = [
 
 [[package]]
 name = "hashbrown"
-version = "0.14.5"
+version = "0.15.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
+checksum = "bf151400ff0baff5465007dd2f3e717f3fe502074ca563069ce3a6629d07b289"
 
 [[package]]
 name = "heapless"
@@ -397,70 +401,81 @@ dependencies = [
 ]
 
 [[package]]
-name = "hermit-abi"
-version = "0.3.9"
+name = "home"
+version = "0.5.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
+checksum = "589533453244b0995c858700322199b2becb13b627df2851f64a2775d024abcf"
+dependencies = [
+ "windows-sys 0.59.0",
+]
 
 [[package]]
 name = "indexmap"
-version = "2.3.0"
+version = "2.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de3fc2e30ba82dd1b3911c8de1ffc143c74a914a14e99514d7637e3099df5ea0"
+checksum = "8c9c992b02b5b4c94ea26e32fe5bccb7aa7d9f390ab5c1221ff895bc7ea8b652"
 dependencies = [
  "equivalent",
  "hashbrown",
 ]
 
 [[package]]
-name = "is-terminal"
-version = "0.4.12"
+name = "itertools"
+version = "0.10.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f23ff5ef2b80d608d61efee834934d862cd92461afc0560dedf493e4c033738b"
+checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
 dependencies = [
- "hermit-abi",
- "libc",
- "windows-sys 0.52.0",
+ "either",
 ]
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "2b192c782037fadd9cfa75548310488aabdbf3d2da73885b31bd0abd03351285"
 dependencies = [
  "either",
 ]
 
+[[package]]
+name = "keccak"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ecc2af9a1119c51f12a14607e783cb977bde58bc069ff0c3da1095e635d70654"
+dependencies = [
+ "cpufeatures",
+]
+
 [[package]]
 name = "lalrpop"
-version = "0.19.12"
+version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0a1cbf952127589f2851ab2046af368fd20645491bb4b376f04b7f94d7a9837b"
+checksum = "7047a26de42016abf8f181b46b398aef0b77ad46711df41847f6ed869a2a1d5b"
 dependencies = [
  "ascii-canvas",
  "bit-set",
- "diff",
  "ena",
- "is-terminal",
- "itertools",
+ "itertools 0.14.0",
  "lalrpop-util",
  "petgraph",
+ "pico-args",
  "regex",
- "regex-syntax 0.6.29",
+ "regex-syntax",
+ "sha3",
  "string_cache",
  "term",
- "tiny-keccak",
  "unicode-xid",
+ "walkdir",
 ]
 
 [[package]]
 name = "lalrpop-util"
-version = "0.19.12"
+version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3c48237b9604c5a4702de6b824e02006c3214327564636aef27c1028a8fa0ed"
+checksum = "e8d05b3fe34b8bd562c338db725dfa9beb9451a48f65f129ccb9538b48d2c93b"
 dependencies = [
- "regex",
+ "regex-automata",
+ "rustversion",
 ]
 
 [[package]]
@@ -475,16 +490,6 @@ version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8355be11b20d696c8f18f6cc018c4e372165b1fa8126cef092399c9951984ffa"
 
-[[package]]
-name = "libredox"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0ff37bd590ca25063e35af745c343cb7a0271906fb7b37e4813e8f79f00268d"
-dependencies = [
- "bitflags 2.6.0",
- "libc",
-]
-
 [[package]]
 name = "lock_api"
 version = "0.4.12"
@@ -596,7 +601,16 @@ version = "0.5.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1f646caf906c20226733ed5b1374287eb97e3c2a5c227ce668c1f2ce20ae57c9"
 dependencies = [
- "num_enum_derive",
+ "num_enum_derive 0.5.11",
+]
+
+[[package]]
+name = "num_enum"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4e613fc340b2220f734a8595782c551f1250e969d87d3be1ae0579e8d4065179"
+dependencies = [
+ "num_enum_derive 0.7.3",
 ]
 
 [[package]]
@@ -610,6 +624,17 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "num_enum_derive"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af1844ef2428cc3e1cb900be36181049ef3d3193c63e43026cfe202983b27a56"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.91",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.19.0"
@@ -657,9 +682,9 @@ checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
 
 [[package]]
 name = "petgraph"
-version = "0.6.5"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4c5cc86750666a3ed20bdaf5ca2a0344f9c67674cae0515bec2da16fbaa47db"
+checksum = "3672b37090dbd86368a4145bc067582552b29c27377cad4e0a306c97f9bd7772"
 dependencies = [
  "fixedbitset",
  "indexmap",
@@ -674,6 +699,12 @@ dependencies = [
  "siphasher",
 ]
 
+[[package]]
+name = "pico-args"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5be167a7af36ee22fe3115051bc51f6e6c7054c9348e28deb4f49bd6f705a315"
+
 [[package]]
 name = "pico-midi-synth"
 version = "0.1.0"
@@ -698,37 +729,46 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "76e09694b50f89f302ed531c1f2a7569f0be5867aee4ab4f8f729bbeec0078e3"
 dependencies = [
  "arrayvec",
- "num_enum",
+ "num_enum 0.5.11",
+ "paste",
+]
+
+[[package]]
+name = "pio-core"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61d90fddc3d67f21bbf93683bc461b05d6a29c708caf3ffb79947d7ff7095406"
+dependencies = [
+ "arrayvec",
+ "num_enum 0.7.3",
  "paste",
 ]
 
 [[package]]
 name = "pio-parser"
-version = "0.2.2"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77532c2b8279aef98dfc7207ef15298a5a3d6b6cc76ccc8b65913d69f3a8dd6b"
+checksum = "825266c1eaddf54f636d06eefa4bf3c99d774c14ec46a4a6c6e5128a0f10d205"
 dependencies = [
  "lalrpop",
  "lalrpop-util",
- "pio",
- "regex-syntax 0.6.29",
+ "pio-core",
 ]
 
 [[package]]
 name = "pio-proc"
-version = "0.2.2"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b04dc870fb3a4fd8b3e4ca8c61b53bc8ac4eb78b66805d2b3c2e5c4829e0d7a"
+checksum = "ed4a76571f5fe51af43cc80ac870fe0c79cc0cdd686b9002a6c4c84bfdd0176b"
 dependencies = [
  "codespan-reporting",
  "lalrpop-util",
- "pio",
+ "pio-core",
  "pio-parser",
- "proc-macro-error",
+ "proc-macro-error2",
  "proc-macro2",
  "quote",
- "regex-syntax 0.6.29",
- "syn 1.0.109",
+ "syn 2.0.91",
 ]
 
 [[package]]
@@ -743,30 +783,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "925383efa346730478fb4838dbe9137d2a47675ad789c546d150a6e1dd4ab31c"
 
-[[package]]
-name = "proc-macro-error"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
-dependencies = [
- "proc-macro-error-attr",
- "proc-macro2",
- "quote",
- "syn 1.0.109",
- "version_check",
-]
-
-[[package]]
-name = "proc-macro-error-attr"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
-dependencies = [
- "proc-macro2",
- "quote",
- "version_check",
-]
-
 [[package]]
 name = "proc-macro-error-attr2"
 version = "2.0.0"
@@ -822,17 +838,6 @@ dependencies = [
  "bitflags 2.6.0",
 ]
 
-[[package]]
-name = "redox_users"
-version = "0.4.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd283d9651eeda4b2a83a43c1c91b266c40fd76ecd39a50a8c630ae69dc72891"
-dependencies = [
- "getrandom",
- "libredox",
- "thiserror 1.0.63",
-]
-
 [[package]]
 name = "regex"
 version = "1.10.6"
@@ -842,7 +847,7 @@ dependencies = [
  "aho-corasick",
  "memchr",
  "regex-automata",
- "regex-syntax 0.8.4",
+ "regex-syntax",
 ]
 
 [[package]]
@@ -853,15 +858,9 @@ checksum = "38caf58cc5ef2fed281f89292ef23f6365465ed9a41b7a7754eb4e26496c92df"
 dependencies = [
  "aho-corasick",
  "memchr",
- "regex-syntax 0.8.4",
+ "regex-syntax",
 ]
 
-[[package]]
-name = "regex-syntax"
-version = "0.6.29"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
-
 [[package]]
 name = "regex-syntax"
 version = "0.8.4"
@@ -907,7 +906,7 @@ dependencies = [
  "embedded-io",
  "frunk",
  "fugit",
- "itertools",
+ "itertools 0.10.5",
  "nb 1.1.0",
  "paste",
  "pio",
@@ -958,6 +957,15 @@ version = "1.0.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "955d28af4278de8121b7ebeb796b6a45735dc01436d898801014aced2773a3d6"
 
+[[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 = "1.2.0"
@@ -979,6 +987,16 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 
+[[package]]
+name = "sha3"
+version = "0.10.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75872d278a8f37ef87fa0ddbda7802605cb18344497949862c0d4dcb291eba60"
+dependencies = [
+ "digest",
+ "keccak",
+]
+
 [[package]]
 name = "siphasher"
 version = "0.3.11"
@@ -1041,13 +1059,12 @@ dependencies = [
 
 [[package]]
 name = "term"
-version = "0.7.0"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c59df8ac95d96ff9bede18eb7300b0fda5e5d8d90960e76f8e14ae765eedbf1f"
+checksum = "a3bb6001afcea98122260987f8b7b5da969ecad46dbf0b5453702f776b491a41"
 dependencies = [
- "dirs-next",
- "rustversion",
- "winapi",
+ "home",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -1059,33 +1076,13 @@ dependencies = [
  "winapi-util",
 ]
 
-[[package]]
-name = "thiserror"
-version = "1.0.63"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0342370b38b6a11b6cc11d6a805569958d54cfa061a29969c3b5ce2ea405724"
-dependencies = [
- "thiserror-impl 1.0.63",
-]
-
 [[package]]
 name = "thiserror"
 version = "2.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f072643fd0190df67a8bab670c20ef5d8737177d6ac6b2e9a236cb096206b2cc"
 dependencies = [
- "thiserror-impl 2.0.9",
-]
-
-[[package]]
-name = "thiserror-impl"
-version = "1.0.63"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4558b58466b9ad7ca0f102865eccc95938dca1a74a856f2b57b6629050da261"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.91",
+ "thiserror-impl",
 ]
 
 [[package]]
@@ -1100,13 +1097,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "tiny-keccak"
-version = "2.0.2"
+name = "typenum"
+version = "1.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c9d3793400a45f954c52e73d068316d76b6f4e36977e3fcebb13a2721e80237"
-dependencies = [
- "crunchy",
-]
+checksum = "1dccffe3ce07af9386bfd29e80c0ab1a8205a2fc34e4bcd40364df902cfa8f3f"
 
 [[package]]
 name = "unicode-ident"
@@ -1164,27 +1158,15 @@ dependencies = [
 ]
 
 [[package]]
-name = "wasi"
-version = "0.11.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
-
-[[package]]
-name = "winapi"
-version = "0.3.9"
+name = "walkdir"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+checksum = "29790946404f91d9c5d06f9874efddea1dc06c5efe94541a7d6863108e3a5e4b"
 dependencies = [
- "winapi-i686-pc-windows-gnu",
- "winapi-x86_64-pc-windows-gnu",
+ "same-file",
+ "winapi-util",
 ]
 
-[[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 = "0.1.9"
@@ -1194,12 +1176,6 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
-[[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 = "windows-sys"
 version = "0.52.0"
diff --git a/pico/Cargo.toml b/pico/Cargo.toml
index ccc250f..1c204f8 100644
--- a/pico/Cargo.toml
+++ b/pico/Cargo.toml
@@ -18,7 +18,7 @@ panic-probe = { version = "0.3.2", features = ["print-defmt"] }
 
 rp-pico = "0.9.0"
 pio = "0.2.1"
-pio-proc = "0.2.2"
+pio-proc = "0.3.0"
 
 synth = { path = "../synth"}