copy optimized blitSprite impl to grabSprite, add simple docs

.github/workflows/ci.yml

@@ -30,9 +30,9 @@ jobs:
       run: sudo apt-get install -y libxkbcommon-dev libasound2-dev
       if: matrix.os == 'ubuntu-latest'
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: Cache build dirs
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: |
           ~/.cargo/bin/
@@ -44,7 +44,7 @@ jobs:
     - name: Build
       run: cargo build --release --verbose
     - name: Upload artifact
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v3
       with:
         name: uw8-${{ matrix.build }}
         path: target/release/${{ matrix.exe }}

.github/workflows/main.yml

@@ -8,12 +8,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: build_and_deploy
-        uses: shalzz/zola-deploy-action@v0.14.1
+        uses: shalzz/zola-deploy-action@70a101a14bbdeed13e7a42a9ed06b35c9e9e826e
         env:
           # Target branch
           PAGES_BRANCH: gh-pages
           BUILD_DIR: site
           # Provide personal access token
-          TOKEN: $GITHUB_ACTOR:${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

Cargo.lock

@@ -1692,6 +1692,12 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "884e2677b40cc8c339eaefcb701c32ef1fd2493d71118dc0ca4b6a736c93bd67"
 
+[[package]]
+name = "lexopt"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "478ee9e62aaeaf5b140bd4138753d1f109765488581444218d3ddda43234f3e8"
+
 [[package]]
 name = "libc"
 version = "0.2.139"
@@ -2063,6 +2069,15 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "notify-debouncer-mini"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e23e9fa24f094b143c1eb61f90ac6457de87be6987bc70746e0179f7dbc9007b"
+dependencies = [
+ "notify",
+]
+
 [[package]]
 name = "num-complex"
 version = "0.4.3"
@@ -3340,13 +3355,13 @@ checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
 
 [[package]]
 name = "upkr"
-version = "0.1.0"
+version = "0.2.1"
-source = "git+https://github.com/exoticorn/upkr.git?rev=d93aec186c9fb91d962c488682a2db125c61306c#d93aec186c9fb91d962c488682a2db125c61306c"
+source = "git+https://github.com/exoticorn/upkr.git?rev=080db40d0088bbee2bdf3c5c75288ac7853d6b7a#080db40d0088bbee2bdf3c5c75288ac7853d6b7a"
 dependencies = [
  "anyhow",
  "cdivsufsort",
- "pbr",
+ "lexopt",
- "pico-args 0.4.2",
+ "thiserror",
 ]
 
 [[package]]
@@ -3368,7 +3383,7 @@ checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
 
 [[package]]
 name = "uw8"
-version = "0.2.1"
+version = "0.2.2"
 dependencies = [
  "ansi_term",
  "anyhow",
@@ -3376,7 +3391,7 @@ dependencies = [
  "curlywas",
  "env_logger",
  "log",
- "notify",
+ "notify-debouncer-mini",
  "pico-args 0.5.0",
  "rubato",
  "same-file",
@@ -3396,11 +3411,11 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "pbr",
- "pico-args 0.4.2",
+ "pico-args 0.5.0",
  "upkr",
  "walrus",
- "wasm-encoder 0.8.0",
+ "wasm-encoder 0.22.0",
- "wasmparser 0.81.0",
+ "wasmparser 0.99.0",
 ]
 
 [[package]]
@@ -3593,15 +3608,6 @@ version = "0.2.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1c38c045535d93ec4f0b4defec448e4291638ee608530863b1e2ba115d4fff7f"
 
-[[package]]
-name = "wasm-encoder"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db0c351632e46cc06a58a696a6c11e4cf90cad4b9f8f07a0b59128d616c29bb0"
-dependencies = [
- "leb128",
-]
-
 [[package]]
 name = "wasm-encoder"
 version = "0.10.0"
@@ -3626,12 +3632,6 @@ version = "0.77.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b35c86d22e720a07d954ebbed772d01180501afe7d03d464f413bb5f8914a8d6"
 
-[[package]]
-name = "wasmparser"
-version = "0.81.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "98930446519f63d00a836efdc22f67766ceae8dbcc1571379f2bcabc6b2b9abc"
-
 [[package]]
 name = "wasmparser"
 version = "0.83.0"
@@ -3648,6 +3648,16 @@ dependencies = [
  "url",
 ]
 
+[[package]]
+name = "wasmparser"
+version = "0.99.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ef3b717afc67f848f412d4f02c127dd3e35a0eecd58c684580414df4fde01d3"
+dependencies = [
+ "indexmap",
+ "url",
+]
+
 [[package]]
 name = "wasmtime"
 version = "5.0.0"

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "uw8"
-version = "0.2.1"
+version = "0.2.2"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -16,7 +16,7 @@ anyhow = "1"
 env_logger = "0.10"
 log = "0.4"
 uw8-window = { path = "uw8-window", optional = true }
-notify = "5"
+notify-debouncer-mini = { version = "0.2.1", default-features = false }
 pico-args = "0.5"
 curlywas = { git = "https://github.com/exoticorn/curlywas.git", rev = "0e7ea50" }
 wat = "1"

README.md

@@ -15,9 +15,9 @@ See [here](https://exoticorn.github.io/microw8/) for more information and docs.
 
 ## Downloads
 
-* [Linux](https://github.com/exoticorn/microw8/releases/download/v0.1.2/microw8-0.1.2-linux.tgz)
+* [Linux](https://github.com/exoticorn/microw8/releases/download/v0.2.2/microw8-0.2.2-linux.tgz)
-* [MacOS](https://github.com/exoticorn/microw8/releases/download/v0.1.2/microw8-0.1.2-macos.tgz)
+* [MacOS](https://github.com/exoticorn/microw8/releases/download/v0.2.2/microw8-0.2.2-macos.tgz)
-* [Windows](https://github.com/exoticorn/microw8/releases/download/v0.1.2/microw8-0.1.2-windows.zip)
+* [Windows](https://github.com/exoticorn/microw8/releases/download/v0.2.2/microw8-0.2.2-windows.zip)
 
 The download includes
 

examples/curlywas/sprites.cwa

@@ -0,0 +1,21 @@
+include "../include/microw8-api.cwa"
+
+const SPRITE = 0x20000;
+
+export fn upd() {
+	cls(0);
+	let t = time();
+	let i: i32;
+	loop spriteLoop {
+		let inline x = sin(t * -1.3 + i as f32 / 8_f) * 180_f + 160_f;
+		let inline y = sin(t * 1.7 + i as f32 / 9_f) * 140_f + 120_f;
+		blitSprite(SPRITE, 16, x as i32, y as i32, 0x100);
+		branch_if (i +:= 1) < 200: spriteLoop;
+	}
+}
+
+start fn start() {
+	printChar('OO');
+	circle(8_f, 8_f, 6_f, 75);
+	grabSprite(SPRITE, 16, 0, 0, 0);
+}

examples/include/microw8-api.cwa

@@ -30,11 +30,13 @@ import "env.printInt" fn printInt(i32);
 import "env.setTextColor" fn setTextColor(i32);
 import "env.setBackgroundColor" fn setBackgroundColor(i32);
 import "env.setCursorPosition" fn setCursorPosition(i32, i32);
-import "env.rectangle_outline" fn rectangle_outline(f32, f32, f32, f32, i32);
+import "env.rectangleOutline" fn rectangleOutline(f32, f32, f32, f32, i32);
-import "env.circle_outline" fn circle_outline(f32, f32, f32, i32);
+import "env.circleOutline" fn circleOutline(f32, f32, f32, i32);
 import "env.exp" fn exp(f32) -> f32;
 import "env.playNote" fn playNote(i32, i32);
 import "env.sndGes" fn sndGes(i32) -> f32;
+import "env.blitSprite" fn blitSprite(i32, i32, i32, i32, i32);
+import "env.grabSprite" fn grabSprite(i32, i32, i32, i32, i32);
 
 const TIME_MS = 0x40;
 const GAMEPAD = 0x44;

examples/include/microw8-api.wat

@@ -30,11 +30,13 @@
 (import "env" "setTextColor" (func $setTextColor (param i32)))
 (import "env" "setBackgroundColor" (func $setBackgroundColor (param i32)))
 (import "env" "setCursorPosition" (func $setCursorPosition (param i32) (param i32)))
-(import "env" "rectangle_outline" (func $rectangle_outline (param f32) (param f32) (param f32) (param f32) (param i32)))
+(import "env" "rectangleOutline" (func $rectangleOutline (param f32) (param f32) (param f32) (param f32) (param i32)))
-(import "env" "circle_outline" (func $circle_outline (param f32) (param f32) (param f32) (param i32)))
+(import "env" "circleOutline" (func $circleOutline (param f32) (param f32) (param f32) (param i32)))
 (import "env" "exp" (func $exp (param f32) (result f32)))
 (import "env" "playNote" (func $playNote (param i32) (param i32)))
 (import "env" "sndGes" (func $sndGes (param i32) (result f32)))
+(import "env" "blitSprite" (func $blitSprite (param i32) (param i32) (param i32) (param i32) (param i32)))
+(import "env" "grabSprite" (func $grabSprite (param i32) (param i32) (param i32) (param i32) (param i32)))
 
 ;; to use defines, include this file with a preprocessor
 ;; like gpp (https://logological.org/gpp).

platform/Cargo.lock

@@ -110,9 +110,9 @@ dependencies = [
 
 [[package]]
 name = "crc32fast"
-version = "1.3.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "738c290dfaea84fc1ca15ad9c168d083b05a714e1efddd8edaab678dc28d2836"
+checksum = "b540bd8bc810d3885c6ea91e2018302f68baba2129ab3e88f32389ee9370880d"
 dependencies = [
  "cfg-if",
 ]
@@ -151,32 +151,39 @@ dependencies = [
  "anyhow",
  "ariadne",
  "chumsky",
- "pico-args",
+ "pico-args 0.4.2",
  "wasm-encoder 0.10.0",
  "wasmparser 0.83.0",
 ]
 
 [[package]]
 name = "fallible_collections"
-version = "0.4.4"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "52db5973b6a19247baf19b30f41c23a1bfffc2e9ce0a5db2f60e3cd5dc8895f7"
+checksum = "3f57ccc32870366ae684be48b32a1a2e196f98a42a9b4361fe77e13fd4a34755"
 dependencies = [
  "hashbrown",
 ]
 
 [[package]]
 name = "flate2"
-version = "1.0.22"
+version = "1.0.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e6988e897c1c9c485f43b47a529cef42fde0547f9d8d41a7062518f1d8fc53f"
+checksum = "a8a2db397cb1c8772f31494cb8917e48cd1e64f0fa7efac59fbd741a0a8ce841"
 dependencies = [
- "cfg-if",
  "crc32fast",
- "libc",
  "miniz_oxide",
 ]
 
+[[package]]
+name = "form_urlencoded"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9c384f161156f5260c24a097c56119f9be8c798586aecc13afbcbe7b7e26bf8"
+dependencies = [
+ "percent-encoding",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.3"
@@ -190,9 +197,9 @@ dependencies = [
 
 [[package]]
 name = "hashbrown"
-version = "0.11.2"
+version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
+checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 dependencies = [
  "ahash 0.7.6",
 ]
@@ -212,6 +219,26 @@ version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "25a2bc672d1148e28034f176e01fffebb08b35768468cc954630da77a1449005"
 
+[[package]]
+name = "idna"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e14ddfc70884202db2244c223200c204c2bda1bc6e0998d11b5e024d657209e6"
+dependencies = [
+ "unicode-bidi",
+ "unicode-normalization",
+]
+
+[[package]]
+name = "indexmap"
+version = "1.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1885e79c1fc4b10f0e172c475f458b7f7b93061064d98c3293e98c5ba0c8b399"
+dependencies = [
+ "autocfg",
+ "hashbrown",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -225,17 +252,24 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "884e2677b40cc8c339eaefcb701c32ef1fd2493d71118dc0ca4b6a736c93bd67"
 
 [[package]]
-name = "libc"
+name = "lexopt"
-version = "0.2.112"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b03d17f364a3a042d5e5d46b053bbbf82c92c9430c592dd4c064dc6ee997125"
+checksum = "478ee9e62aaeaf5b140bd4138753d1f109765488581444218d3ddda43234f3e8"
+
+[[package]]
+name = "libc"
+version = "0.2.139"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79"
 
 [[package]]
 name = "lodepng"
-version = "3.4.7"
+version = "3.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "24844d5c0b922ddd52fb5bf0964a4c7f8e799a946ec01bb463771eb04fc1a323"
+checksum = "f0ad39f75bbaa4b10bb6f2316543632a8046a5bcf9c785488d79720b21f044f8"
 dependencies = [
+ "crc32fast",
  "fallible_collections",
  "flate2",
  "libc",
@@ -253,12 +287,11 @@ dependencies = [
 
 [[package]]
 name = "miniz_oxide"
-version = "0.4.4"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a92518e98c078586bc6c934028adcca4c92a53d6a958196de835170a01d84e4b"
+checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
 dependencies = [
  "adler",
- "autocfg",
 ]
 
 [[package]]
@@ -288,12 +321,24 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "percent-encoding"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "478c572c3d73181ff3c2539045f6eb99e5491218eae919370993b890cdbdd98e"
+
 [[package]]
 name = "pico-args"
 version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "db8bcd96cb740d03149cbad5518db9fd87126a10ab519c011893b1754134c468"
 
+[[package]]
+name = "pico-args"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5be167a7af36ee22fe3115051bc51f6e6c7054c9348e28deb4f49bd6f705a315"
+
 [[package]]
 name = "platform"
 version = "0.1.0"
@@ -330,9 +375,9 @@ dependencies = [
 
 [[package]]
 name = "rgb"
-version = "0.8.31"
+version = "0.8.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a374af9a0e5fdcdd98c1c7b64f05004f9ea2555b6c75f211daa81268a3c50f1"
+checksum = "3603b7d71ca82644f79b5a06d1220e9a58ede60bd32255f698cb1af8838b8db3"
 dependencies = [
  "bytemuck",
 ]
@@ -357,6 +402,26 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[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 = "time"
 version = "0.1.43"
@@ -376,6 +441,36 @@ dependencies = [
  "crunchy",
 ]
 
+[[package]]
+name = "tinyvec"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87cc5ceb3875bb20c2890005a4e226a4651264a5c75edb2421b52861a0a0cb50"
+dependencies = [
+ "tinyvec_macros",
+]
+
+[[package]]
+name = "tinyvec_macros"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
+
+[[package]]
+name = "unicode-bidi"
+version = "0.3.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d54675592c1dbefd78cbd98db9bacd89886e1ca50692a0692baefffdeb92dd58"
+
+[[package]]
+name = "unicode-normalization"
+version = "0.1.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c5713f0fc4b5db668a2ac63cdb7bb4469d8c9fed047b1d0292cc7b0ce2ba921"
+dependencies = [
+ "tinyvec",
+]
+
 [[package]]
 name = "unicode-segmentation"
 version = "1.9.0"
@@ -390,13 +485,24 @@ checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
 
 [[package]]
 name = "upkr"
-version = "0.1.0"
+version = "0.2.1"
-source = "git+https://github.com/exoticorn/upkr.git?rev=d93aec186c9fb91d962c488682a2db125c61306c#d93aec186c9fb91d962c488682a2db125c61306c"
+source = "git+https://github.com/exoticorn/upkr.git?rev=080db40d0088bbee2bdf3c5c75288ac7853d6b7a#080db40d0088bbee2bdf3c5c75288ac7853d6b7a"
 dependencies = [
  "anyhow",
  "cdivsufsort",
- "pbr",
+ "lexopt",
- "pico-args",
+ "thiserror",
+]
+
+[[package]]
+name = "url"
+version = "2.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0d68c799ae75762b8c3fe375feb6600ef5602c883c5d21eb51c09f22b83c4643"
+dependencies = [
+ "form_urlencoded",
+ "idna",
+ "percent-encoding",
 ]
 
 [[package]]
@@ -405,11 +511,11 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "pbr",
- "pico-args",
+ "pico-args 0.5.0",
  "upkr",
  "walrus",
- "wasm-encoder 0.8.0",
+ "wasm-encoder 0.22.0",
- "wasmparser 0.81.0",
+ "wasmparser 0.99.0",
 ]
 
 [[package]]
@@ -452,18 +558,18 @@ checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
 
 [[package]]
 name = "wasm-encoder"
-version = "0.8.0"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db0c351632e46cc06a58a696a6c11e4cf90cad4b9f8f07a0b59128d616c29bb0"
+checksum = "aa9d9bf45fc46f71c407837c9b30b1e874197f2dc357588430b21e5017d290ab"
 dependencies = [
  "leb128",
 ]
 
 [[package]]
 name = "wasm-encoder"
-version = "0.10.0"
+version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa9d9bf45fc46f71c407837c9b30b1e874197f2dc357588430b21e5017d290ab"
+checksum = "ef126be0e14bdf355ac1a8b41afc89195289e5c7179f80118e3abddb472f0810"
 dependencies = [
  "leb128",
 ]
@@ -474,18 +580,22 @@ version = "0.77.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b35c86d22e720a07d954ebbed772d01180501afe7d03d464f413bb5f8914a8d6"
 
-[[package]]
-name = "wasmparser"
-version = "0.81.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "98930446519f63d00a836efdc22f67766ceae8dbcc1571379f2bcabc6b2b9abc"
-
 [[package]]
 name = "wasmparser"
 version = "0.83.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "718ed7c55c2add6548cca3ddd6383d738cd73b892df400e96b9aa876f0141d7a"
 
+[[package]]
+name = "wasmparser"
+version = "0.99.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ef3b717afc67f848f412d4f02c127dd3e35a0eecd58c684580414df4fde01d3"
+dependencies = [
+ "indexmap",
+ "url",
+]
+
 [[package]]
 name = "winapi"
 version = "0.3.9"

platform/Cargo.toml

@@ -9,4 +9,4 @@ edition = "2021"
 curlywas = { git="https://github.com/exoticorn/curlywas.git", rev="0e7ea50" }
 uw8-tool = { path="../uw8-tool" }
 anyhow = "1"
-lodepng = "3.4"
+lodepng = "3.7.2"

platform/src/platform.cwa

@@ -171,7 +171,7 @@ export fn rectangle(x: f32, y: f32, w: f32, h: f32, col: i32) {
     }
 }
 
-export fn rectangle_outline(x: f32, y: f32, w: f32, h: f32, col: i32) {
+export fn rectangleOutline(x: f32, y: f32, w: f32, h: f32, col: i32) {
     let xl = nearest(x) as i32;
     let xr = nearest(x + w) as i32;
     let yt = nearest(y) as i32;
@@ -212,7 +212,7 @@ export fn circle(cx: f32, cy: f32, radius: f32, col: i32) {
     }
 }
 
-export fn circle_outline(cx: f32, cy: f32, radius: f32, col: i32) {
+export fn circleOutline(cx: f32, cy: f32, radius: f32, col: i32) {
     let prev_w: f32;
     let y = clamp(nearest(cy - radius) as i32, -1, 241);
     let maxY = clamp(nearest(cy + radius) as i32, -1, 241);
@@ -352,6 +352,92 @@ export fn line(x1: f32, y1: f32, x2: f32, y2: f32, col: i32) {
     setPixel(i32.trunc_sat_f32_s(x1 + f * dx), i32.trunc_sat_f32_s(y1 + f * dy), col);
 }
 
+export fn blitSprite(sprite: i32, size: i32, x: i32, y: i32, control: i32) {
+    let lazy width = size & 65535;
+    let lazy height = select(size >> 16, size >> 16, width);
+
+    let lazy x0 = select(x < 0, -x, 0);
+    let lazy x1 = select(x + width > 320, 320 - x, width);
+    let lazy y0 = select(y < 0, -y, 0);
+    let lazy y1 = select(y + height > 240, 240 - y, height);
+
+    let lazy numRows = y1 - y0;
+    let lazy numCols = x1 - x0;
+    if numRows <= 0 | numCols <= 0 {
+        return;
+    }
+
+    let trans = (control & 511) - 256;
+    let lazy flip_x = 1 - ((control >> 8) & 2);
+    let lazy flip_y = 1 - ((control >> 9) & 2);
+    if flip_x < 0 {
+        sprite += width - 1;
+    }
+    if flip_y < 0 {
+        sprite += (height - 1) * width;
+    }
+
+    let spriteRow = sprite + x0 * flip_x + y0 * flip_y * width;
+    let screenRow = x + x0 + (y + y0) * 320;
+
+    loop yloop {
+        let lx = 0;
+        loop xloop {
+            let lazy col = (spriteRow + lx * flip_x)?0;
+            if col != trans {
+                (screenRow + lx)?120 = col;
+            }
+            branch_if (lx +:= 1) < numCols: xloop;
+        }
+        spriteRow += width * flip_y;
+        screenRow += 320;
+        branch_if numRows -:= 1: yloop;
+    }
+}
+
+export fn grabSprite(sprite: i32, size: i32, x: i32, y: i32, control: i32) {
+    let lazy width = size & 65535;
+    let lazy height = select(size >> 16, size >> 16, width);
+
+    let lazy x0 = select(x < 0, -x, 0);
+    let lazy x1 = select(x + width > 320, 320 - x, width);
+    let lazy y0 = select(y < 0, -y, 0);
+    let lazy y1 = select(y + height > 240, 240 - y, height);
+
+    let lazy numRows = y1 - y0;
+    let lazy numCols = x1 - x0;
+    if numRows <= 0 | numCols <= 0 {
+        return;
+    }
+
+    let trans = (control & 511) - 256;
+    let lazy flip_x = 1 - ((control >> 8) & 2);
+    let lazy flip_y = 1 - ((control >> 9) & 2);
+    if flip_x < 0 {
+        sprite += width - 1;
+    }
+    if flip_y < 0 {
+        sprite += (height - 1) * width;
+    }
+
+    let spriteRow = sprite + x0 * flip_x + y0 * flip_y * width;
+    let screenRow = x + x0 + (y + y0) * 320;
+
+    loop yloop {
+        let lx = 0;
+        loop xloop {
+            let lazy col = (screenRow + lx)?120;
+            if col != trans {
+                (spriteRow + lx * flip_x)?0 = col;
+            }
+            branch_if (lx +:= 1) < numCols: xloop;
+        }
+        spriteRow += width * flip_y;
+        screenRow += 320;
+        branch_if numRows -:= 1: yloop;
+    }
+}
+
 //////////
 // TEXT //
 //////////
@@ -372,16 +458,7 @@ export fn printChar(char: i32) {
 global mut controlCodeLength = 0;
 
 fn printSingleChar(char: i32) {
-    if char >= 4 & char <= 6 {
+    if outputChannel >= 2 & (char < 4 | char > 6) {
-        outputChannel = char - 4;
-        if !outputChannel {
-            textCursorX = 0;
-            textCursorY = 0;
-        }
-        return;
-    }
-
-    if outputChannel >= 2 {
         logChar(char);
         return;
     }
@@ -399,6 +476,15 @@ fn printSingleChar(char: i32) {
         return;
     }
 
+    if char >= 4 & char <= 6 {
+        outputChannel = char - 4;
+        if !outputChannel {
+            textCursorX = 0;
+            textCursorY = 0;
+        }
+        return;
+    }
+
     if char == 7 {
         80?0 = 80?0 ^ 2;
         return;

site/content/_index.md

@@ -14,6 +14,8 @@ The initial motivation behind MicroW8 was to explore whether there was a way to
 * Memory: 256KB
 * Gamepad input (D-Pad + 4 Buttons)
 
+For detailed [documentation see here](docs).
+
 ## Examples
 * [Skip Ahead](v0.2.0#AgVfq24KI2Ok2o8qVtPYj27fSuGnfeSKgbOkIOsaEQMov8TDYQ6UjdjwkZrYcM1i9alo4/+Bhm1PRFEa0YHJlJAk/PGoc2K41rejv9ZSqJqIHNjr7cappqhOR2jT+jk+0b0+U6hO+geRCTP2aufWs7L+f/Z27NFY8LKlqPSv+C6Rd6+ohoKi6sYl5Kcrlf1cyTinV7jTTnmbcXWVDBA5rRKxAGMUTDS8rHxqSztRITOaQVP1pSdYgi/BDdOJOxSOIkeaId84S+Ycls5na7EgwSfVIpgqF+tcfkUecb8t2mQrXA7pyKrh/wzHn5N6Oe5aOgmzY2YpTIct) (249 bytes): A port of my [TIC-80 256byte game](http://tic80.com/play?cart=1735) from LoveByte'21, now with sound
 * [Fireworks](v0.2.0#AgwvgP+M59snqjl4CMKw5sqm1Zw9yJCbSviMjeLUdHus2a3yl/a99+uiBeqZgP/2jqSjrLjRk73COMM6OSLpsxK8ugT1kuk/q4hQUqqPpGozHoa0laulzGGcahzdfdJsYaK1sIdeIYS9M5PnJx/Wk9H+PvWEPy2Zvv7I6IW7Fg==) (127 bytes): Some fireworks to welcome 2022.
@@ -29,6 +31,20 @@ Examplers for older versions:
 
 ## Versions
 
+### v0.2.2
+
+* [Web runtime](v0.2.2)
+* [Linux](https://github.com/exoticorn/microw8/releases/download/v0.2.2/microw8-0.2.2-linux.tgz)
+* [MacOS](https://github.com/exoticorn/microw8/releases/download/v0.2.2/microw8-0.2.2-macos.tgz)
+* [Windows](https://github.com/exoticorn/microw8/releases/download/v0.2.2/microw8-0.2.2-windows.zip)
+
+Changes:
+
+* call `start` function after loading cart if the cart exports one
+* fix `sndGes` having the wrong name and not being included in the auto imports
+* fix control codes 4-6 (change text output mode) being invoked when used as parameters in other control sequences
+* only open browser window once a cart was compiled sucessfully when running with `-b`
+
 ### v0.2.1
 
 * [Web runtime](v0.2.1)

site/content/docs.md

@@ -12,6 +12,9 @@ at offset 120 in memory with the 32bpp palette located at 0x13000.
 
 The memory has to be imported as `env` `memory` and has a maximum size of 256kb (4 pages).
 
+If the module exports a function called `start`, it will be called once after the module is
+loaded.
+
 # Memory map
 
 ```
@@ -143,13 +146,13 @@ Fills the circle at `cx, cy` and with `radius` with the given color index.
 
 (Sets all pixels where the pixel center lies inside the circle.)
 
-### fn rectangle_outline(x: f32, y: f32, w: f32, h: f32, color: i32)
+### fn rectangleOutline(x: f32, y: f32, w: f32, h: f32, color: i32)
 
 Draws a one pixel outline on the inside of the given rectangle.
 
 (Draws the outermost pixels that are still inside the rectangle area.)
 
-### fn circle_outline(cx: f32, cy: f32, radius: f32, color: i32)
+### fn circleOutline(cx: f32, cy: f32, radius: f32, color: i32)
 
 Draws a one pixel outline on the inside of the given circle.
 
@@ -159,6 +162,21 @@ Draws a one pixel outline on the inside of the given circle.
 
 Draws a line from `x1,y1` to `x2,y2` in the given color index.
 
+### fn blitSprite(spriteData: i32, size: i32, x: i32, y: i32, control: i32)
+
+Copies the pixel data at `spriteData` onto the screen at `x`, `y`. The size of the sprite is passed as `width | (height << 16)`.
+If the height is given as 0, the sprite is is treated as square (width x width).
+
+The control parameter controls masking and flipping of the sprite:
+* bits 0-7: color mask index
+* bit 8: switch on masked blit (pixel with color mask index are treated as transparent)
+* bit 9: flip sprite x
+* bit 10: flip sprite y
+
+### fn grabSprite(spriteData: i32, size: i32, x: i32, y: i32, control: i32)
+
+Copies the pixel data on the screen at `x`, `y` to `spriteData`. Parameters are exactly the same as `blitSprite`.
+
 ## Input
 
 MicroW8 provides input from a gamepad with one D-Pad and 4 buttons, or a keyboard emulation thereof.

site/templates/index.html

@@ -4,7 +4,7 @@
         <section>
             <h1 class="text-center heading-text">A WebAssembly based fantasy console</h1>
         </section>
-        <a href="v0.2.1">
+        <a href="v0.2.2">
             <img class="demonstration-gif" style="width:640px;height:480px;image-rendering:pixelated" src="img/technotunnel.png"></img>
         </a>
     </div>

src/filewatcher.rs

@@ -1,23 +1,35 @@
 use anyhow::{anyhow, bail, Result};
-use notify::{Event, EventKind, RecommendedWatcher, Watcher};
+use notify_debouncer_mini::{
-use std::{collections::BTreeSet, path::PathBuf, sync::mpsc};
+    new_debouncer,
+    notify::{self, RecommendedWatcher},
+    DebouncedEvent, DebouncedEventKind, Debouncer,
+};
+use std::{collections::BTreeSet, path::PathBuf, sync::mpsc, time::Duration};
 
 pub struct FileWatcher {
-    watcher: RecommendedWatcher,
+    debouncer: Debouncer<RecommendedWatcher>,
     watched_files: BTreeSet<PathBuf>,
     directories: BTreeSet<PathBuf>,
-    rx: mpsc::Receiver<Event>,
+    rx: mpsc::Receiver<DebouncedEvent>,
 }
 
 impl FileWatcher {
     pub fn new() -> Result<FileWatcher> {
         let (tx, rx) = mpsc::channel();
-        let watcher = notify::recommended_watcher(move |res| match res {
+        let debouncer = new_debouncer(Duration::from_millis(100), None, move |res| match res {
-            Ok(event) => _ = tx.send(event),
+            Ok(events) => {
-            Err(err) => eprintln!("Error watching for file changes: {err}"),
+                for event in events {
+                    let _ = tx.send(event);
+                }
+            }
+            Err(errs) => {
+                for err in errs {
+                    eprintln!("Error watching for file changes: {err}");
+                }
+            }
         })?;
         Ok(FileWatcher {
-            watcher,
+            debouncer,
             watched_files: BTreeSet::new(),
             directories: BTreeSet::new(),
             rx,
@@ -29,7 +41,8 @@ impl FileWatcher {
         let parent = path.parent().ok_or_else(|| anyhow!("File has no parent"))?;
 
         if !self.directories.contains(parent) {
-            self.watcher
+            self.debouncer
+                .watcher()
                 .watch(parent, notify::RecursiveMode::NonRecursive)?;
             self.directories.insert(parent.to_path_buf());
         }
@@ -41,13 +54,11 @@ impl FileWatcher {
     pub fn poll_changed_file(&self) -> Result<Option<PathBuf>> {
         match self.rx.try_recv() {
             Ok(event) => match event.kind {
-                EventKind::Create(_) | EventKind::Modify(_) => {
+                DebouncedEventKind::Any => {
-                    for path in event.paths {
+                    let handle = same_file::Handle::from_path(&event.path)?;
-                        let handle = same_file::Handle::from_path(&path)?;
+                    for file in &self.watched_files {
-                        for file in &self.watched_files {
+                        if handle == same_file::Handle::from_path(file)? {
-                            if handle == same_file::Handle::from_path(file)? {
+                            return Ok(Some(event.path));
-                                return Ok(Some(path));
-                            }
                         }
                     }
                 }

src/run_native.rs

@@ -134,6 +134,10 @@ impl super::Runtime for MicroW8 {
         let end_frame = platform_instance.get_typed_func::<(), ()>(&mut store, "endFrame")?;
         let update = instance.get_typed_func::<(), ()>(&mut store, "upd").ok();
 
+        if let Some(start) = instance.get_typed_func::<(), ()>(&mut store, "start").ok() {
+            start.call(&mut store, ())?;
+        }
+
         let (sound_tx, stream) = if self.disable_audio {
             (None, None)
         } else {

src/run_web.rs

@@ -11,6 +11,7 @@ use warp::{http::Response, Filter};
 pub struct RunWebServer {
     cart: Arc<Mutex<Vec<u8>>>,
     tx: broadcast::Sender<()>,
+    socket_addr: SocketAddr,
 }
 
 impl RunWebServer {
@@ -18,8 +19,13 @@ impl RunWebServer {
         let cart = Arc::new(Mutex::new(Vec::new()));
         let (tx, _) = broadcast::channel(1);
 
+        let socket_addr = "127.0.0.1:3030"
+            .parse::<SocketAddr>()
+            .expect("Failed to parse socket address");
+
         let server_cart = cart.clone();
         let server_tx = tx.clone();
+        let server_addr = socket_addr.clone();
         thread::spawn(move || {
             let rt = tokio::runtime::Builder::new_current_thread()
                 .enable_io()
@@ -47,24 +53,26 @@ impl RunWebServer {
                     warp::sse::reply(warp::sse::keep_alive().stream(event_stream(&server_tx)))
                 });
 
-                let socket_addr = "127.0.0.1:3030"
+                let server_future = warp::serve(html.or(cart).or(events)).bind(server_addr);
-                    .parse::<SocketAddr>()
-                    .expect("Failed to parse socket address");
-
-                let server_future = warp::serve(html.or(cart).or(events)).bind(socket_addr);
-                println!("Point browser at http://{}", socket_addr);
-                let _ignore_result = webbrowser::open(&format!("http://{}", socket_addr));
                 server_future.await
             });
         });
 
-        RunWebServer { cart, tx }
+        RunWebServer {
+            cart,
+            tx,
+            socket_addr,
+        }
     }
 }
 
 impl super::Runtime for RunWebServer {
     fn load(&mut self, module_data: &[u8]) -> Result<()> {
         if let Ok(mut lock) = self.cart.lock() {
+            if lock.is_empty() && !module_data.is_empty() {
+                println!("Point browser at http://{}", self.socket_addr);
+                let _ignore_result = webbrowser::open(&format!("http://{}", self.socket_addr));
+            }
             lock.clear();
             lock.extend_from_slice(module_data);
         }
@@ -86,4 +94,4 @@ impl Default for RunWebServer {
     fn default() -> RunWebServer {
         RunWebServer::new()
     }
-}
+}

test.cwa

@@ -1,13 +0,0 @@
-import "env.memory" memory(4);
-import "env.printString" fn print(i32);
-
-export fn upd() {
-}
-
-start fn start() {
-    print(0);
-}
-
-data 0 {
-    "Press " i8(0xe0) " and " i8(0xe1) " to adjust, " i8(0xcc) " to commit." i8(0)
-}

test/ges_test.cwa

@@ -2,17 +2,18 @@ import "env.memory" memory(4);
 import "env.pow" fn pow(f32, f32) -> f32;
 import "env.sin" fn sin(f32) -> f32;
 import "env.cls" fn cls(i32);
+import "env.exp" fn exp(f32) -> f32;
 import "env.rectangle" fn rectangle(f32, f32, f32, f32, i32);
 
 include "../platform/src/ges.cwa"
 
 export fn snd(t: i32) -> f32 {
-    gesSnd(t)
+    sndGes(t)
 }
 
 export fn upd() {
     80?0 = 32!32 / 200 & 2 | 0x41;
-    80?3 = (32!32 / 400)%7*12/7 + 40;
+    80?3 = (32!32 / 400)%8*12/7 + 40;
     let pulse = (32!32 * 256 / 2000) & 511;
     if pulse >= 256 {
         pulse = 511 - pulse;

test/start_fn.cwa

@@ -0,0 +1,5 @@
+include "../examples/include/microw8-api.cwa"
+
+export fn start() {
+	printChar('Test');
+}

test/text_modes.cwa

@@ -0,0 +1,13 @@
+include "../examples/include/microw8-api.cwa"
+
+export fn upd() {
+	printString(USER_MEM);
+}
+
+data USER_MEM {
+	i8(12, 31, 5, 6) "Text mode"
+	i8(5, 31, 4, 5) "Graphics mode"
+	i8(6) "Console output\nSecond line\n"
+	i8(4, 31, 4, 12) "Back to text mode"
+	i8(0)
+}

uw8-tool/Cargo.lock

@@ -56,6 +56,21 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "form_urlencoded"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9c384f161156f5260c24a097c56119f9be8c798586aecc13afbcbe7b7e26bf8"
+dependencies = [
+ "percent-encoding",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
+
 [[package]]
 name = "heck"
 version = "0.3.3"
@@ -71,6 +86,26 @@ version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "25a2bc672d1148e28034f176e01fffebb08b35768468cc954630da77a1449005"
 
+[[package]]
+name = "idna"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e14ddfc70884202db2244c223200c204c2bda1bc6e0998d11b5e024d657209e6"
+dependencies = [
+ "unicode-bidi",
+ "unicode-normalization",
+]
+
+[[package]]
+name = "indexmap"
+version = "1.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1885e79c1fc4b10f0e172c475f458b7f7b93061064d98c3293e98c5ba0c8b399"
+dependencies = [
+ "autocfg",
+ "hashbrown",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -83,6 +118,12 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "884e2677b40cc8c339eaefcb701c32ef1fd2493d71118dc0ca4b6a736c93bd67"
 
+[[package]]
+name = "lexopt"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "478ee9e62aaeaf5b140bd4138753d1f109765488581444218d3ddda43234f3e8"
+
 [[package]]
 name = "libc"
 version = "0.2.112"
@@ -120,10 +161,16 @@ dependencies = [
 ]
 
 [[package]]
-name = "pico-args"
+name = "percent-encoding"
-version = "0.4.2"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db8bcd96cb740d03149cbad5518db9fd87126a10ab519c011893b1754134c468"
+checksum = "478c572c3d73181ff3c2539045f6eb99e5491218eae919370993b890cdbdd98e"
+
+[[package]]
+name = "pico-args"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5be167a7af36ee22fe3115051bc51f6e6c7054c9348e28deb4f49bd6f705a315"
 
 [[package]]
 name = "proc-macro2"
@@ -163,6 +210,26 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[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 = "time"
 version = "0.1.44"
@@ -174,6 +241,36 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "tinyvec"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87cc5ceb3875bb20c2890005a4e226a4651264a5c75edb2421b52861a0a0cb50"
+dependencies = [
+ "tinyvec_macros",
+]
+
+[[package]]
+name = "tinyvec_macros"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
+
+[[package]]
+name = "unicode-bidi"
+version = "0.3.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d54675592c1dbefd78cbd98db9bacd89886e1ca50692a0692baefffdeb92dd58"
+
+[[package]]
+name = "unicode-normalization"
+version = "0.1.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c5713f0fc4b5db668a2ac63cdb7bb4469d8c9fed047b1d0292cc7b0ce2ba921"
+dependencies = [
+ "tinyvec",
+]
+
 [[package]]
 name = "unicode-segmentation"
 version = "1.8.0"
@@ -188,13 +285,24 @@ checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
 
 [[package]]
 name = "upkr"
-version = "0.1.0"
+version = "0.2.1"
-source = "git+https://github.com/exoticorn/upkr.git?rev=d93aec186c9fb91d962c488682a2db125c61306c#d93aec186c9fb91d962c488682a2db125c61306c"
+source = "git+https://github.com/exoticorn/upkr.git?rev=080db40d0088bbee2bdf3c5c75288ac7853d6b7a#080db40d0088bbee2bdf3c5c75288ac7853d6b7a"
 dependencies = [
  "anyhow",
  "cdivsufsort",
- "pbr",
+ "lexopt",
- "pico-args",
+ "thiserror",
+]
+
+[[package]]
+name = "url"
+version = "2.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0d68c799ae75762b8c3fe375feb6600ef5602c883c5d21eb51c09f22b83c4643"
+dependencies = [
+ "form_urlencoded",
+ "idna",
+ "percent-encoding",
 ]
 
 [[package]]
@@ -207,7 +315,7 @@ dependencies = [
  "upkr",
  "walrus",
  "wasm-encoder",
- "wasmparser 0.81.0",
+ "wasmparser 0.99.0",
 ]
 
 [[package]]
@@ -244,9 +352,9 @@ checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
 
 [[package]]
 name = "wasm-encoder"
-version = "0.8.0"
+version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db0c351632e46cc06a58a696a6c11e4cf90cad4b9f8f07a0b59128d616c29bb0"
+checksum = "ef126be0e14bdf355ac1a8b41afc89195289e5c7179f80118e3abddb472f0810"
 dependencies = [
  "leb128",
 ]
@@ -259,9 +367,13 @@ checksum = "b35c86d22e720a07d954ebbed772d01180501afe7d03d464f413bb5f8914a8d6"
 
 [[package]]
 name = "wasmparser"
-version = "0.81.0"
+version = "0.99.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "98930446519f63d00a836efdc22f67766ceae8dbcc1571379f2bcabc6b2b9abc"
+checksum = "9ef3b717afc67f848f412d4f02c127dd3e35a0eecd58c684580414df4fde01d3"
+dependencies = [
+ "indexmap",
+ "url",
+]
 
 [[package]]
 name = "winapi"

uw8-tool/Cargo.toml

@@ -6,10 +6,10 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-wasmparser = "0.81"
+wasmparser = "0.99"
-wasm-encoder = "0.8"
+wasm-encoder = "0.22"
 walrus = "0.19"
 anyhow = "1"
-pico-args = "0.4"
+pico-args = "0.5"
-upkr = { git = "https://github.com/exoticorn/upkr.git", rev = "d93aec186c9fb91d962c488682a2db125c61306c" }
+upkr = { git = "https://github.com/exoticorn/upkr.git", rev = "080db40d0088bbee2bdf3c5c75288ac7853d6b7a" }
 pbr = "1"

uw8-tool/src/base_module.rs

@@ -3,7 +3,7 @@ use std::{collections::HashMap, fs::File, path::Path};
 use anyhow::{bail, Result};
 use std::io::prelude::*;
 use wasm_encoder::{
-    CodeSection, EntityType, Export, ExportSection, Function, FunctionSection, ImportSection,
+    CodeSection, EntityType, ExportKind, ExportSection, Function, FunctionSection, ImportSection,
     Instruction, MemoryType, Module, TypeSection, ValType,
 };
 use ValType::*;
@@ -152,14 +152,14 @@ impl BaseModule {
         add_function(
             &mut functions,
             &type_map,
-            "rectangle_outline",
+            "rectangleOutline",
             &[F32, F32, F32, F32, I32],
             None,
         );
         add_function(
             &mut functions,
             &type_map,
-            "circle_outline",
+            "circleOutline",
             &[F32, F32, F32, I32],
             None,
         );
@@ -169,6 +169,21 @@ impl BaseModule {
         add_function(&mut functions, &type_map, "playNote", &[I32, I32], None);
         add_function(&mut functions, &type_map, "sndGes", &[I32], Some(F32));
 
+        add_function(
+            &mut functions,
+            &type_map,
+            "blitSprite",
+            &[I32, I32, I32, I32, I32],
+            None,
+        );
+        add_function(
+            &mut functions,
+            &type_map,
+            "grabSprite",
+            &[I32, I32, I32, I32, I32],
+            None,
+        );
+
         for i in functions.len()..64 {
             add_function(
                 &mut functions,
@@ -218,13 +233,13 @@ impl BaseModule {
             let mut imports = ImportSection::new();
 
             for (module, name, type_) in &self.function_imports {
-                imports.import(*module, Some(name.as_str()), EntityType::Function(*type_));
+                imports.import(*module, name.as_str(), EntityType::Function(*type_));
             }
 
             for (module, name, import) in &self.global_imports {
                 imports.import(
                     *module,
-                    Some(name.as_str()),
+                    name.as_str(),
                     EntityType::Global(wasm_encoder::GlobalType {
                         val_type: import.type_,
                         mutable: import.mutable,
@@ -234,11 +249,12 @@ impl BaseModule {
 
             imports.import(
                 "env",
-                Some("memory"),
+                "memory",
                 MemoryType {
                     minimum: self.memory as u64,
                     maximum: None,
                     memory64: false,
+                    shared: false,
                 },
             );
 
@@ -259,7 +275,7 @@ impl BaseModule {
             let mut exports = ExportSection::new();
 
             for (name, fnc) in &self.exports {
-                exports.export(*name, Export::Function(*fnc));
+                exports.export(*name, ExportKind::Func, *fnc);
             }
 
             module.section(&exports);
@@ -287,7 +303,7 @@ impl BaseModule {
 
     pub fn create_binary(path: &Path) -> Result<()> {
         let base1 = BaseModule::for_format_version(1)?.to_wasm();
-        let data = upkr::pack(&base1, 4, false, None);
+        let data = upkr::pack(&base1, 4, &upkr::Config::default(), None);
         File::create(path)?.write_all(&data)?;
         Ok(())
     }

uw8-tool/src/pack.rs

@@ -10,7 +10,7 @@ use std::{
 use wasm_encoder as enc;
 use wasmparser::{
     BinaryReader, ExportSectionReader, ExternalKind, FunctionBody, FunctionSectionReader,
-    ImportSectionEntryType, ImportSectionReader, TableSectionReader, TypeSectionReader,
+    ImportSectionReader, TableSectionReader, TypeRef, TypeSectionReader,
 };
 
 pub struct PackConfig {
@@ -63,7 +63,7 @@ pub fn pack(data: &[u8], config: &PackConfig) -> Result<Vec<u8>> {
         uw8.extend_from_slice(&upkr::pack(
             &result[8..],
             level,
-            false,
+            &upkr::Config::default(),
             Some(&mut |pos| {
                 pb.set(pos as u64);
             }),
@@ -90,7 +90,10 @@ pub fn unpack(data: Vec<u8>) -> Result<Vec<u8>> {
     let (version, data) = match data[0] {
         0 => return Ok(data),
         1 => (1, data[1..].to_vec()),
-        2 => (1, upkr::unpack(&data[1..], false)),
+        2 => (
+            1,
+            upkr::unpack(&data[1..], &upkr::Config::default(), 4 * 1024 * 1024)?,
+        ),
         other => bail!("Uknown format version {}", other),
     };
 
@@ -133,8 +136,8 @@ pub fn unpack(data: Vec<u8>) -> Result<Vec<u8>> {
     Ok(dest)
 }
 
-fn to_val_type(type_: &wasmparser::Type) -> Result<ValType> {
+fn to_val_type(type_: &wasmparser::ValType) -> Result<ValType> {
-    use wasmparser::Type::*;
+    use wasmparser::ValType::*;
     Ok(match *type_ {
         I32 => ValType::I32,
         I64 => ValType::I64,
@@ -144,7 +147,7 @@ fn to_val_type(type_: &wasmparser::Type) -> Result<ValType> {
     })
 }
 
-fn to_val_type_vec(types: &[wasmparser::Type]) -> Result<Vec<ValType>> {
+fn to_val_type_vec(types: &[wasmparser::ValType]) -> Result<Vec<ValType>> {
     types.into_iter().map(to_val_type).collect()
 }
 
@@ -202,7 +205,7 @@ impl<'a> ParsedModule<'a> {
                     import_section = Some(Section::new(range, ImportSection::parse(reader)?));
                 }
                 Payload::GlobalSection(reader) => {
-                    global_section = Some(Section::new(range, reader.get_count()));
+                    global_section = Some(Section::new(range, reader.count()));
                 }
                 Payload::FunctionSection(reader) => {
                     function_section = Some(Section::new(range, read_function_section(reader)?));
@@ -221,21 +224,21 @@ impl<'a> ParsedModule<'a> {
                     table_section = Some(Section::new(range, ()));
                 }
                 Payload::MemorySection(reader) => {
-                    if reader.get_count() != 0 {
+                    if reader.count() != 0 {
                         bail!("Found non-empty MemorySection. Memory has to be imported!");
                     }
                 }
-                Payload::ElementSection(mut reader) => {
+                Payload::ElementSection(reader) => {
-                    let mut elements = Vec::with_capacity(reader.get_count() as usize);
+                    let mut elements = Vec::with_capacity(reader.count() as usize);
-                    for _ in 0..reader.get_count() {
+                    for element in reader {
-                        elements.push(Element::parse(reader.read()?)?);
+                        elements.push(Element::parse(element?)?);
                     }
                     element_section = Some(elements);
                 }
                 Payload::CodeSectionStart { .. } => (),
                 Payload::CodeSectionEntry(body) => function_bodies.push(body),
                 Payload::CustomSection { .. } => (),
-                Payload::End => break,
+                Payload::End(..) => break,
                 other => bail!("Unsupported section: {:?}", other),
             }
 
@@ -463,7 +466,7 @@ impl<'a> ParsedModule<'a> {
             {
                 let mut export_section = enc::ExportSection::new();
                 for (name, fnc) in my_exports {
-                    export_section.export(&name, enc::Export::Function(fnc));
+                    export_section.export(&name, enc::ExportKind::Func, fnc);
                 }
                 module.section(&export_section);
             }
@@ -486,7 +489,7 @@ impl<'a> ParsedModule<'a> {
                 }
                 element_section.active(
                     None,
-                    &wasm_encoder::Instruction::I32Const(element.start_index as i32),
+                    &wasm_encoder::ConstExpr::i32_const(element.start_index as i32),
                     ValType::FuncRef,
                     wasm_encoder::Elements::Functions(&functions),
                 );
@@ -535,28 +538,27 @@ fn read_type_section(reader: TypeSectionReader) -> Result<Vec<base_module::Funct
 
     for type_def in reader {
         match type_def? {
-            wasmparser::TypeDef::Func(fnc) => {
+            wasmparser::Type::Func(fnc) => {
-                if fnc.returns.len() > 1 {
+                if fnc.results().len() > 1 {
                     bail!("Multi-value not supported");
                 }
-                let params = to_val_type_vec(&fnc.params)?;
+                let params = to_val_type_vec(fnc.params())?;
-                let result = to_val_type_vec(&fnc.returns)?.into_iter().next();
+                let result = to_val_type_vec(fnc.results())?.into_iter().next();
                 function_types.push(FunctionType { params, result });
             }
-            t => bail!("Unsupported type def {:?}", t),
         }
     }
 
     Ok(function_types)
 }
 
-fn validate_table_section(mut reader: TableSectionReader) -> Result<()> {
+fn validate_table_section(reader: TableSectionReader) -> Result<()> {
-    if reader.get_count() != 1 {
+    if reader.count() != 1 {
         bail!("Only up to one table supported");
     }
 
-    let type_ = reader.read()?;
+    let type_ = reader.into_iter().next().unwrap()?;
-    if type_.element_type != wasmparser::Type::FuncRef {
+    if type_.element_type != wasmparser::ValType::FuncRef {
         bail!("Only one funcref table is supported");
     }
 
@@ -590,45 +592,38 @@ impl ImportSection {
 
         for import in reader {
             let import = import?;
-            if let Some(field) = import.field {
+            match import.ty {
-                match import.ty {
+                TypeRef::Func(type_) => {
-                    ImportSectionEntryType::Function(type_) => {
+                    functions.push(FunctionImport {
-                        functions.push(FunctionImport {
+                        module: import.module.to_string(),
-                            module: import.module.to_string(),
+                        field: import.name.to_string(),
-                            field: field.to_string(),
+                        type_,
-                            type_,
+                    });
-                        });
-                    }
-                    ImportSectionEntryType::Memory(mem) => {
-                        if import.module != "env" || field != "memory" {
-                            bail!(
-                                "Wrong name of memory import {}.{}, should be env.memory",
-                                import.module,
-                                field
-                            );
-                        }
-                        if mem.memory64 || mem.shared {
-                            bail!("Wrong memory import options: {:?}", import.ty);
-                        }
-                        memory = mem.maximum.unwrap_or(mem.initial) as u32;
-                    }
-                    ImportSectionEntryType::Global(glbl) => {
-                        globals.push(GlobalImport {
-                            module: import.module.to_string(),
-                            field: field.to_string(),
-                            type_: GlobalType {
-                                type_: to_val_type(&glbl.content_type)?,
-                                mutable: glbl.mutable,
-                            },
-                        });
-                    }
-                    _ => bail!("Unsupported import item {:?}", import.ty),
                 }
-            } else {
+                TypeRef::Memory(mem) => {
-                bail!(
+                    if import.module != "env" || import.name != "memory" {
-                    "Found import without field, only module '{}'",
+                        bail!(
-                    import.module
+                            "Wrong name of memory import {}.{}, should be env.memory",
-                );
+                            import.module,
+                            import.name
+                        );
+                    }
+                    if mem.memory64 || mem.shared {
+                        bail!("Wrong memory import options: {:?}", import.ty);
+                    }
+                    memory = mem.maximum.unwrap_or(mem.initial) as u32;
+                }
+                TypeRef::Global(glbl) => {
+                    globals.push(GlobalImport {
+                        module: import.module.to_string(),
+                        field: import.name.to_string(),
+                        type_: GlobalType {
+                            type_: to_val_type(&glbl.content_type)?,
+                            mutable: glbl.mutable,
+                        },
+                    });
+                }
+                _ => bail!("Unsupported import item {:?}", import.ty),
             }
         }
 
@@ -648,40 +643,37 @@ struct Element {
 
 impl Element {
     fn parse(element: wasmparser::Element) -> Result<Element> {
-        if element.ty != wasmparser::Type::FuncRef {
+        match element.items {
-            bail!("Table element type is not FuncRef");
+            wasmparser::ElementItems::Functions(funcs_reader) => {
-        }
+                let start_index = if let wasmparser::ElementKind::Active {
+                    offset_expr,
+                    table_index: 0,
+                } = element.kind
+                {
+                    let mut init_reader = offset_expr.get_operators_reader();
+                    if let wasmparser::Operator::I32Const { value: start_index } =
+                        init_reader.read()?
+                    {
+                        start_index as u32
+                    } else {
+                        bail!("Table element start index is not a integer constant");
+                    }
+                } else {
+                    bail!("Unsupported table element kind");
+                };
 
-        let start_index = if let wasmparser::ElementKind::Active {
+                let mut functions = Vec::with_capacity(funcs_reader.count() as usize);
-            init_expr,
+                for index in funcs_reader {
-            table_index: 0,
+                    functions.push(index?);
-        } = element.kind
+                }
-        {
+
-            let mut init_reader = init_expr.get_operators_reader();
+                Ok(Element {
-            if let wasmparser::Operator::I32Const { value: start_index } = init_reader.read()? {
+                    start_index,
-                start_index as u32
+                    functions,
-            } else {
+                })
-                bail!("Table element start index is not a integer constant");
-            }
-        } else {
-            bail!("Unsupported table element kind");
-        };
-
-        let mut items_reader = element.items.get_items_reader()?;
-
-        let mut functions = Vec::with_capacity(items_reader.get_count() as usize);
-        for _ in 0..items_reader.get_count() {
-            if let wasmparser::ElementItem::Func(index) = items_reader.read()? {
-                functions.push(index);
-            } else {
-                bail!("Table element item is not a function");
             }
+            _ => bail!("Table element type is not FuncRef"),
         }
-
-        Ok(Element {
-            start_index,
-            functions,
-        })
     }
 }
 
@@ -712,8 +704,8 @@ fn read_export_section(reader: ExportSectionReader) -> Result<Vec<(String, u32)>
     for export in reader {
         let export = export?;
         match export.kind {
-            ExternalKind::Function => {
+            ExternalKind::Func => {
-                function_exports.push((export.field.to_string(), export.index));
+                function_exports.push((export.name.to_string(), export.index));
             }
             _ => (), // just ignore all other kinds since MicroW8 doesn't expect any exports other than functions
         }
@@ -734,13 +726,11 @@ fn remap_function(
     }
     let mut function = enc::Function::new(locals);
 
-    let block_type = |ty: wasmparser::TypeOrFuncType| -> Result<enc::BlockType> {
+    let block_type = |ty: wasmparser::BlockType| -> Result<enc::BlockType> {
         Ok(match ty {
-            wasmparser::TypeOrFuncType::Type(wasmparser::Type::EmptyBlockType) => {
+            wasmparser::BlockType::Empty => enc::BlockType::Empty,
-                enc::BlockType::Empty
+            wasmparser::BlockType::Type(ty) => enc::BlockType::Result(to_val_type(&ty)?),
-            }
+            wasmparser::BlockType::FuncType(ty) => enc::BlockType::FunctionType(
-            wasmparser::TypeOrFuncType::Type(ty) => enc::BlockType::Result(to_val_type(&ty)?),
-            wasmparser::TypeOrFuncType::FuncType(ty) => enc::BlockType::FunctionType(
                 *type_map
                     .get(&ty)
                     .ok_or_else(|| anyhow!("Function type index out of range: {}", ty))?,
@@ -754,7 +744,7 @@ fn remap_function(
             .ok_or_else(|| anyhow!("Global index out of range: {}", idx))?)
     };
 
-    fn mem(m: wasmparser::MemoryImmediate) -> enc::MemArg {
+    fn mem(m: wasmparser::MemArg) -> enc::MemArg {
         enc::MemArg {
             offset: m.offset,
             align: m.align as u32,
@@ -769,24 +759,31 @@ fn remap_function(
         function.instruction(&match op? {
             De::Unreachable => En::Unreachable,
             De::Nop => En::Nop,
-            De::Block { ty } => En::Block(block_type(ty)?),
+            De::Block { blockty } => En::Block(block_type(blockty)?),
-            De::Loop { ty } => En::Loop(block_type(ty)?),
+            De::Loop { blockty } => En::Loop(block_type(blockty)?),
-            De::If { ty } => En::If(block_type(ty)?),
+            De::If { blockty } => En::If(block_type(blockty)?),
             De::Else => En::Else,
             De::Try { .. } | De::Catch { .. } | De::Throw { .. } | De::Rethrow { .. } => todo!(),
             De::End => En::End,
             De::Br { relative_depth } => En::Br(relative_depth),
             De::BrIf { relative_depth } => En::BrIf(relative_depth),
-            De::BrTable { .. } => todo!(),
+            De::BrTable { targets } => En::BrTable(
+                targets.targets().collect::<Result<Vec<u32>, _>>()?.into(),
+                targets.default(),
+            ),
             De::Return => En::Return,
             De::Call { function_index } => En::Call(
                 *function_map
                     .get(&function_index)
                     .ok_or_else(|| anyhow!("Function index out of range: {}", function_index))?,
             ),
-            De::CallIndirect { index, table_index } => En::CallIndirect {
+            De::CallIndirect {
+                type_index,
+                table_index,
+                table_byte: _, // what is this supposed to be?
+            } => En::CallIndirect {
                 ty: *type_map
-                    .get(&index)
+                    .get(&type_index)
                     .ok_or_else(|| anyhow!("Unknown function type in call indirect"))?,
                 table: table_index,
             },
@@ -806,16 +803,16 @@ fn remap_function(
             De::I64Load { memarg } => En::I64Load(mem(memarg)),
             De::F32Load { memarg } => En::F32Load(mem(memarg)),
             De::F64Load { memarg } => En::F64Load(mem(memarg)),
-            De::I32Load8S { memarg } => En::I32Load8_S(mem(memarg)),
+            De::I32Load8S { memarg } => En::I32Load8S(mem(memarg)),
-            De::I32Load8U { memarg } => En::I32Load8_U(mem(memarg)),
+            De::I32Load8U { memarg } => En::I32Load8U(mem(memarg)),
-            De::I32Load16S { memarg } => En::I32Load16_S(mem(memarg)),
+            De::I32Load16S { memarg } => En::I32Load16S(mem(memarg)),
-            De::I32Load16U { memarg } => En::I32Load16_U(mem(memarg)),
+            De::I32Load16U { memarg } => En::I32Load16U(mem(memarg)),
-            De::I64Load8S { memarg } => En::I64Load8_S(mem(memarg)),
+            De::I64Load8S { memarg } => En::I64Load8S(mem(memarg)),
-            De::I64Load8U { memarg } => En::I64Load8_U(mem(memarg)),
+            De::I64Load8U { memarg } => En::I64Load8U(mem(memarg)),
-            De::I64Load16S { memarg } => En::I64Load16_S(mem(memarg)),
+            De::I64Load16S { memarg } => En::I64Load16S(mem(memarg)),
-            De::I64Load16U { memarg } => En::I64Load16_U(mem(memarg)),
+            De::I64Load16U { memarg } => En::I64Load16U(mem(memarg)),
-            De::I64Load32S { memarg } => En::I64Load32_S(mem(memarg)),
+            De::I64Load32S { memarg } => En::I64Load32S(mem(memarg)),
-            De::I64Load32U { memarg } => En::I64Load32_U(mem(memarg)),
+            De::I64Load32U { memarg } => En::I64Load32U(mem(memarg)),
             De::I32Store { memarg } => En::I32Store(mem(memarg)),
             De::I64Store { memarg } => En::I64Store(mem(memarg)),
             De::F32Store { memarg } => En::F32Store(mem(memarg)),
@@ -834,7 +831,7 @@ fn remap_function(
             De::RefNull { .. } | De::RefIsNull { .. } | De::RefFunc { .. } => todo!(),
             De::I32Eqz => En::I32Eqz,
             De::I32Eq => En::I32Eq,
-            De::I32Ne => En::I32Neq,
+            De::I32Ne => En::I32Ne,
             De::I32LtS => En::I32LtS,
             De::I32LtU => En::I32LtU,
             De::I32GtS => En::I32GtS,
@@ -845,7 +842,7 @@ fn remap_function(
             De::I32GeU => En::I32GeU,
             De::I64Eqz => En::I64Eqz,
             De::I64Eq => En::I64Eq,
-            De::I64Ne => En::I64Neq,
+            De::I64Ne => En::I64Ne,
             De::I64LtS => En::I64LtS,
             De::I64LtU => En::I64LtU,
             De::I64GtS => En::I64GtS,
@@ -855,13 +852,13 @@ fn remap_function(
             De::I64GeS => En::I64GeS,
             De::I64GeU => En::I64GeU,
             De::F32Eq => En::F32Eq,
-            De::F32Ne => En::F32Neq,
+            De::F32Ne => En::F32Ne,
             De::F32Lt => En::F32Lt,
             De::F32Gt => En::F32Gt,
             De::F32Le => En::F32Le,
             De::F32Ge => En::F32Ge,
             De::F64Eq => En::F64Eq,
-            De::F64Ne => En::F64Neq,
+            De::F64Ne => En::F64Ne,
             De::F64Lt => En::F64Lt,
             De::F64Gt => En::F64Gt,
             De::F64Le => En::F64Le,
@@ -968,7 +965,7 @@ fn remap_function(
             De::I64TruncSatF32U => En::I64TruncSatF32U,
             De::I64TruncSatF64S => En::I64TruncSatF64S,
             De::I64TruncSatF64U => En::I64TruncSatF64U,
-            De::MemoryCopy { src, dst } => En::MemoryCopy { src, dst },
+            De::MemoryCopy { src_mem, dst_mem } => En::MemoryCopy { src_mem, dst_mem },
             De::MemoryFill { mem } => En::MemoryFill(mem),
             other => bail!("Unsupported instruction {:?}", other),
         });

web/src/index.html

@@ -10,7 +10,7 @@
     </head>
     <body>
         <div id="uw8">
-            <a href="https://exoticorn.github.io/microw8">MicroW8</a> 0.2.1
+            <a href="https://exoticorn.github.io/microw8">MicroW8</a> 0.2.2
         </div>
         <div id="centered">
             <canvas class="screen" id="screen" width="320" height="240">

web/src/microw8.js

@@ -263,6 +263,10 @@ export default function MicroW8(screen, config = {}) {
             window.addEventListener('blur', () => updateVisibility(false), { signal: abortController.signal });
             updateVisibility(document.hasFocus());
 
+            if (instance.exports.start) {
+                instance.exports.start();
+            }
+
             function mainloop() {
                 if (!keepRunning) {
                     return;