prepare for 0.1.2 release

Cargo.lock

@@ -238,9 +238,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chumsky"
-version = "0.5.0"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2d3efff85e8572b1c3fa0127706af58c4fff8458f8d9436d54b1e97573c7a3f"
+checksum = "8d02796e4586c6c41aeb68eae9bfb4558a522c35f1430c14b40136c3706e09e4"
 dependencies = [
  "ahash",
 ]
@@ -498,14 +498,14 @@ checksum = "b365fabc795046672053e29c954733ec3b05e4be654ab130fe8f1f94d7051f35"
 [[package]]
 name = "curlywas"
 version = "0.1.0"
-source = "git+https://github.com/exoticorn/curlywas.git?rev=196719b#196719b35ef377cb7e001554b27ac5de013dcf2b"
+source = "git+https://github.com/exoticorn/curlywas.git?rev=89638565#896385654ab2c089200920b6dea4abec641c88d6"
 dependencies = [
  "anyhow",
  "ariadne",
  "chumsky",
  "pico-args",
- "wasm-encoder",
+ "wasm-encoder 0.10.0",
- "wasmparser 0.81.0",
+ "wasmparser 0.83.0",
 ]
 
 [[package]]
@@ -2312,7 +2312,7 @@ checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
 
 [[package]]
 name = "uw8"
-version = "0.1.1"
+version = "0.1.2"
 dependencies = [
  "anyhow",
  "curlywas",
@@ -2338,7 +2338,7 @@ dependencies = [
  "pico-args",
  "upkr",
  "walrus",
- "wasm-encoder",
+ "wasm-encoder 0.8.0",
  "wasmparser 0.81.0",
 ]
 
@@ -2506,6 +2506,15 @@ dependencies = [
  "leb128",
 ]
 
+[[package]]
+name = "wasm-encoder"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa9d9bf45fc46f71c407837c9b30b1e874197f2dc357588430b21e5017d290ab"
+dependencies = [
+ "leb128",
+]
+
 [[package]]
 name = "wasmparser"
 version = "0.77.0"
@@ -2524,6 +2533,12 @@ 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 = "wasmtime"
 version = "0.30.0"

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "uw8"
-version = "0.1.1"
+version = "0.1.2"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -16,7 +16,7 @@ anyhow = "1"
 minifb = { version = "0.20", default-features = false, features = ["x11"] }
 notify = "4"
 pico-args = "0.4"
-curlywas = { git = "https://github.com/exoticorn/curlywas.git", rev = "196719b" }
+curlywas = { git = "https://github.com/exoticorn/curlywas.git", rev = "89638565" }
 wat = "1"
 uw8-tool = { path = "uw8-tool" }
 same-file = "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/v0.1.0/microw8-0.1.0-linux.tgz)
+* [Linux](https://github.com/exoticorn/microw8/releases/download/v0.1.2/microw8-0.1.2-linux.tgz)
-* [MacOS](https://github.com/exoticorn/microw8/releases/download/v0.1.0/microw8-0.1.0-macos.tgz)
+* [MacOS](https://github.com/exoticorn/microw8/releases/download/v0.1.2/microw8-0.1.2-macos.tgz)
-* [Windows](https://github.com/exoticorn/microw8/releases/download/v0.1.0/microw8-0.1.0-windows.zip)
+* [Windows](https://github.com/exoticorn/microw8/releases/download/v0.1.2/microw8-0.1.2-windows.zip)
 
 The download includes
 
@@ -35,6 +35,7 @@ Runs <file> which can be a binary WebAssembly module, an `.uw8` cart, a wat (Web
 
 Options:
 
+-b, --browser           : Run in browser instead of using native runtime
 -t, --timeout FRAMES    : Sets the timeout in frames (1/60s)
 -w, --watch             : Reloads the given file every time it changes on disk.
 -p, --pack              : Pack the file into an .uw8 cart before running it and print the resulting size.

examples/curlywas/control.cwa

@@ -1,5 +1,4 @@
-import "env.memory" memory(4);
+include "microw8-api.cwa"
-import "env.printString" fn printString(i32);
 
 export fn upd() {
   printString(0x20000);

examples/curlywas/fireworks.cwa

@@ -1,11 +1,4 @@
-import "env.time" fn time() -> f32;
+include "microw8-api.cwa"
-import "env.circle" fn circle(f32, f32, f32, i32);
-import "env.cls" fn cls(i32);
-import "env.randomSeed" fn seed(i32);
-import "env.randomf" fn randomf() -> f32;
-import "env.sin" fn sin(f32) -> f32;
-import "env.cos" fn cos(f32) -> f32;
-import "env.fmod" fn fmod(f32, f32) -> f32;
 
 export fn upd() {
     cls(0);
@@ -15,10 +8,10 @@ export fn upd() {
         let inline rocket = i #>> 9;
         let lazy local_time = fmod(time() + rocket as f32 / 5 as f32, 2 as f32);
         let lazy rocket = rocket + nearest(time() - local_time) as i32 * 10;
-        seed(rocket);
+        randomSeed(rocket);
         let inline x = randomf() * 645 as f32;
         let y = randomf() * 133 as f32;
-        let lazy angle = { seed(i); randomf() } * 44 as f32;
+        let lazy angle = { randomSeed(i); randomf() } * 44 as f32;
         let inline dx = sin(angle);
         let inline dy = cos(angle);
         let lazy dist = local_time * (randomf() * 44 as f32);

examples/curlywas/font_palette.cwa

@@ -1,38 +1,30 @@
-import "env.memory" memory(4);
+include "microw8-api.cwa"
-
-import "env.cls" fn cls(i32);
-import "env.printString" fn printString(i32);
-import "env.printChar" fn printChar(i32);
-import "env.setCursorPosition" fn setCursor(i32, i32);
-import "env.setTextColor" fn setTextColor(i32);
-import "env.line" fn line(f32, f32, f32, f32, i32);
-import "env.isButtonTriggered" fn triggered(i32) -> i32;
 
 global mut mode: i32 = 0;
 
 export fn upd() {
     cls(0);
 
-    if triggered(4) {
+    if isButtonTriggered(BUTTON_A) {
         mode = !mode;
     }
 
     setTextColor(15);
-    printString(mode * 0x20000);
+    printString(mode * USER_MEM);
 
     let y: i32;
     loop y {
         line(0 as f32, (y * 9 + 39) as f32, (14+16*9) as f32, (y * 9 + 39) as f32, 1);
         line((y * 9 + 15) as f32, 24 as f32, (y * 9 + 15) as f32, (38+16*9) as f32, 1);
         setTextColor(15);
-        setCursor(y * 9 + 16, 24);
+        setCursorPosition(y * 9 + 16, 24);
         let lazy hexChar = select(y < 10, y + 48, y + 87);
         printChar(hexChar);
-        setCursor(0, y * 9 + 24+16);
+        setCursorPosition(0, y * 9 + 24+16);
         printChar(hexChar);
         let x = 0;
         loop x {
-            setCursor(x * 9 + 16, y * 9 + 24+16);
+            setCursorPosition(x * 9 + 16, y * 9 + 24+16);
             setTextColor(select(mode, x + y * 16, -9));
             if y >= 2 | mode {
                 printChar(select(mode, 0xa4, x + y * 16));
@@ -47,6 +39,6 @@ data 0 {
     "Default font:      (press " i8(0xcc) " for palette)" i8(5, 0)
 }
 
-data 0x20000 {
+data USER_MEM {
     "Default palette:   (press " i8(0xcc) " for font)" i8(5, 0)
 }

examples/curlywas/line.cwa

@@ -1,10 +1,4 @@
-import "env.memory" memory(4);
+include "microw8-api.cwa"
-
-import "env.cls" fn cls(i32);
-import "env.time" fn time() -> f32;
-import "env.line" fn line(f32, f32, f32, f32, i32);
-import "env.sin" fn sin(f32) -> f32;
-import "env.cos" fn cos(f32) -> f32;
 
 export fn upd() {
     cls(0);

examples/curlywas/microw8-api.cwa

@@ -0,0 +1,50 @@
+// MicroW8 APIs, to be `include`d in CurlyWas sources
+import "env.memory" memory(4);
+
+import "env.sin" fn sin(f32) -> f32;
+import "env.cos" fn cos(f32) -> f32;
+import "env.tan" fn tan(f32) -> f32;
+import "env.asin" fn asin(f32) -> f32;
+import "env.acos" fn acos(f32) -> f32;
+import "env.atan" fn atan(f32) -> f32;
+import "env.atan2" fn atan2(f32, f32) -> f32;
+import "env.pow" fn pow(f32, f32) -> f32;
+import "env.log" fn log(f32) -> f32;
+import "env.fmod" fn fmod(f32, f32) -> f32;
+import "env.random" fn random() -> i32;
+import "env.randomf" fn randomf() -> f32;
+import "env.randomSeed" fn randomSeed(i32);
+import "env.cls" fn cls(i32);
+import "env.setPixel" fn setPixel(i32, i32, i32);
+import "env.getPixel" fn getPixel(i32, i32) -> i32;
+import "env.hline" fn hline(i32, i32, i32, i32);
+import "env.rectangle" fn rectangle(f32, f32, f32, f32, i32);
+import "env.circle" fn circle(f32, f32, f32, i32);
+import "env.line" fn line(f32, f32, f32, f32, i32);
+import "env.time" fn time() -> f32;
+import "env.isButtonPressed" fn isButtonPressed(i32) -> i32;
+import "env.isButtonTriggered" fn isButtonTriggered(i32) -> i32;
+import "env.printChar" fn printChar(i32);
+import "env.printString" fn printString(i32);
+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.circle_outline" fn circle_outline(f32, f32, f32, i32);
+import "env.exp" fn exp(f32) -> f32;
+
+const TIME_MS = 0x40;
+const GAMEPAD = 0x44;
+const FRAMEBUFFER = 0x78;
+const PALETTE = 0x13000;
+const FONT = 0x13400;
+const USER_MEM = 0x14000;
+const BUTTON_UP = 0x0;
+const BUTTON_DOWN = 0x1;
+const BUTTON_LEFT = 0x2;
+const BUTTON_RIGHT = 0x3;
+const BUTTON_A = 0x4;
+const BUTTON_B = 0x5;
+const BUTTON_X = 0x6;
+const BUTTON_Y = 0x7;

examples/curlywas/skipahead.cwa

@@ -1,12 +1,4 @@
-import "env.memory" memory(4);
+include "microw8-api.cwa"
-
-import "env.rectangle" fn rect(f32, f32, f32, f32, i32);
-import "env.circle" fn circle(f32, f32, f32, i32);
-import "env.isButtonPressed" fn btn(i32) -> i32;
-import "env.random" fn random() -> i32;
-import "env.randomSeed" fn randomSeed(i32);
-import "env.cls" fn cls(i32);
-import "env.printInt" fn printInt(i32);
 
 global mut pz: i32 = 4;
 global mut px: f32 = 2.0;
@@ -19,7 +11,7 @@ export fn upd() {
     let inline zero = 0.0;
 
     let lazy control_speed = 0.03125;
-    s = s + 0.1875 - (f + control_speed) * btn(4 <| cls(4)) as f32;
+    s = s + 0.1875 - (f + control_speed) * isButtonPressed(4 <| cls(4)) as f32;
     f = f * 0.5625;
 
     printInt(pz);
@@ -33,8 +25,8 @@ export fn upd() {
         
         let inline c = (z & 1) * -2;
         let inline yf = y as f32;
-        rect(rx, yf, rw, yf / 6 as f32, c + 1);
+        rectangle(rx, yf, rw, yf / 6 as f32, c + 1);
-        rect(rx, yf, rw, 1 as f32, c - 4);
+        rectangle(rx, yf, rw, 1 as f32, c - 4);
 
         if y == 180 & py > zero {
             if x > w | x < zero {
@@ -51,7 +43,7 @@ export fn upd() {
     circle(160 as f32, 160 as f32 + py, 22 as f32, -28);
     circle((160 - 6) as f32, (160 - 6) as f32 + py, 6 as f32, -26);
 
-    px = px + (btn(3) - btn(2)) as f32 * control_speed;
+    px = px + (isButtonPressed(3) - isButtonPressed(2)) as f32 * control_speed;
     py = py + s;
     pz = pz + 1;
 }

examples/curlywas/technotunnel.cwa

@@ -1,7 +1,4 @@
-import "env.memory" memory(4);
+include "microw8-api.cwa"
-import "env.sin" fn sin(f32) -> f32;
-import "env.time" fn time() -> f32;
-import "env.setPixel" fn setPixel(i32, i32, i32);
 
 export fn upd() {
     let x: i32;

examples/curlywas/trainride.cwa

@@ -1,7 +1,4 @@
-import "env.memory" memory(2);
+include "microw8-api.cwa"
-
-import "env.fmod" fn fmod(f32, f32) -> f32;
-import "env.time" fn time() -> f32;
 
 export fn upd() {
   let i: i32;

examples/curlywas/tunnel.cwa

@@ -1,7 +1,4 @@
-import "env.memory" memory(4);
+include "microw8-api.cwa"
-
-import "env.atan2" fn atan2(f32, f32) -> f32;
-import "env.time" fn time() -> f32;
 
 export fn upd() {
     let i: i32;
@@ -12,7 +9,7 @@ export fn upd() {
         let inline d = 40000 as f32 / sqrt(x * x + y * y);
         let inline u = atan2(x, y) * (512.0 / 3.141);
         let inline c = ((i32.trunc_sat_f32_s(d + t * 2 as f32) ^ i32.trunc_sat_f32_s(u + t)) & 255) >> 4;
-        i?120 = c;
+        i?FRAMEBUFFER = c;
 
         branch_if (i := i + 1) < 320*240: pixels;
     }

examples/wat/microw8-api.wat

@@ -0,0 +1,52 @@
+;; MicroW8 APIs, in WAT (Wasm Text) format
+(import "env" "memory" (memory 4))
+
+(import "env" "sin" (func $sin (param f32) (result f32)))
+(import "env" "cos" (func $cos (param f32) (result f32)))
+(import "env" "tan" (func $tan (param f32) (result f32)))
+(import "env" "asin" (func $asin (param f32) (result f32)))
+(import "env" "acos" (func $acos (param f32) (result f32)))
+(import "env" "atan" (func $atan (param f32) (result f32)))
+(import "env" "atan2" (func $atan2 (param f32) (param f32) (result f32)))
+(import "env" "pow" (func $pow (param f32) (param f32) (result f32)))
+(import "env" "log" (func $log (param f32) (result f32)))
+(import "env" "fmod" (func $fmod (param f32) (param f32) (result f32)))
+(import "env" "random" (func $random (result i32)))
+(import "env" "randomf" (func $randomf (result f32)))
+(import "env" "randomSeed" (func $randomSeed (param i32)))
+(import "env" "cls" (func $cls (param i32)))
+(import "env" "setPixel" (func $setPixel (param i32) (param i32) (param i32)))
+(import "env" "getPixel" (func $getPixel (param i32) (param i32) (result i32)))
+(import "env" "hline" (func $hline (param i32) (param i32) (param i32) (param i32)))
+(import "env" "rectangle" (func $rectangle (param f32) (param f32) (param f32) (param f32) (param i32)))
+(import "env" "circle" (func $circle (param f32) (param f32) (param f32) (param i32)))
+(import "env" "line" (func $line (param f32) (param f32) (param f32) (param f32) (param i32)))
+(import "env" "time" (func $time (result f32)))
+(import "env" "isButtonPressed" (func $isButtonPressed (param i32) (result i32)))
+(import "env" "isButtonTriggered" (func $isButtonTriggered (param i32) (result i32)))
+(import "env" "printChar" (func $printChar (param i32)))
+(import "env" "printString" (func $printString (param i32)))
+(import "env" "printInt" (func $printInt (param i32)))
+(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" "circle_outline" (func $circle_outline (param f32) (param f32) (param f32) (param i32)))
+(import "env" "exp" (func $exp (param f32) (result f32)))
+
+;; to use defines, include this file with a preprocessor
+;; like gpp (https://logological.org/gpp).
+#define TIME_MS 0x40;
+#define GAMEPAD 0x44;
+#define FRAMEBUFFER 0x78;
+#define PALETTE 0x13000;
+#define FONT 0x13400;
+#define USER_MEM 0x14000;
+#define BUTTON_UP 0x0;
+#define BUTTON_DOWN 0x1;
+#define BUTTON_LEFT 0x2;
+#define BUTTON_RIGHT 0x3;
+#define BUTTON_A 0x4;
+#define BUTTON_B 0x5;
+#define BUTTON_X 0x6;
+#define BUTTON_Y 0x7;

platform/Cargo.lock

@@ -79,9 +79,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chumsky"
-version = "0.5.0"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2d3efff85e8572b1c3fa0127706af58c4fff8458f8d9436d54b1e97573c7a3f"
+checksum = "8d02796e4586c6c41aeb68eae9bfb4558a522c35f1430c14b40136c3706e09e4"
 dependencies = [
  "ahash 0.3.8",
 ]
@@ -146,14 +146,14 @@ checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
 [[package]]
 name = "curlywas"
 version = "0.1.0"
-source = "git+https://github.com/exoticorn/curlywas.git?rev=196719b#196719b35ef377cb7e001554b27ac5de013dcf2b"
+source = "git+https://github.com/exoticorn/curlywas.git?rev=89638565#896385654ab2c089200920b6dea4abec641c88d6"
 dependencies = [
  "anyhow",
  "ariadne",
  "chumsky",
  "pico-args",
- "wasm-encoder",
+ "wasm-encoder 0.10.0",
- "wasmparser",
+ "wasmparser 0.83.0",
 ]
 
 [[package]]
@@ -197,6 +197,21 @@ dependencies = [
  "ahash 0.7.6",
 ]
 
+[[package]]
+name = "heck"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d621efb26863f0e9924c6ac577e8275e5e6b77455db64ffa6c65c904e9e132c"
+dependencies = [
+ "unicode-segmentation",
+]
+
+[[package]]
+name = "id-arena"
+version = "2.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "25a2bc672d1148e28034f176e01fffebb08b35768468cc954630da77a1449005"
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -227,6 +242,15 @@ dependencies = [
  "rgb",
 ]
 
+[[package]]
+name = "log"
+version = "0.4.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "miniz_oxide"
 version = "0.4.4"
@@ -286,6 +310,24 @@ version = "0.5.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dbf0c48bc1d91375ae5c3cd81e3722dff1abcf81a30960240640d223f59fe0e5"
 
+[[package]]
+name = "proc-macro2"
+version = "1.0.36"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7342d5883fbccae1cc37a2353b09c87c9b0f3afd73f5fb9bba687a1f733b029"
+dependencies = [
+ "unicode-xid",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "864d3e96a899863136fc6e99f3d7cae289dafe43bf2c5ac19b70df7210c0a145"
+dependencies = [
+ "proc-macro2",
+]
+
 [[package]]
 name = "rgb"
 version = "0.8.31"
@@ -304,6 +346,17 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "syn"
+version = "1.0.86"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a65b3f4ffa0092e9887669db0eae07941f023991ab58ea44da8fe8e2d511c6b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
+]
+
 [[package]]
 name = "time"
 version = "0.1.43"
@@ -323,6 +376,18 @@ dependencies = [
  "crunchy",
 ]
 
+[[package]]
+name = "unicode-segmentation"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e8820f5d777f6224dc4be3632222971ac30164d4a258d595640799554ebfd99"
+
+[[package]]
+name = "unicode-xid"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
+
 [[package]]
 name = "upkr"
 version = "0.1.0"
@@ -342,8 +407,9 @@ dependencies = [
  "pbr",
  "pico-args",
  "upkr",
- "wasm-encoder",
+ "walrus",
- "wasmparser",
+ "wasm-encoder 0.8.0",
+ "wasmparser 0.81.0",
 ]
 
 [[package]]
@@ -352,6 +418,32 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
 
+[[package]]
+name = "walrus"
+version = "0.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4eb08e48cde54c05f363d984bb54ce374f49e242def9468d2e1b6c2372d291f8"
+dependencies = [
+ "anyhow",
+ "id-arena",
+ "leb128",
+ "log",
+ "walrus-macro",
+ "wasmparser 0.77.0",
+]
+
+[[package]]
+name = "walrus-macro"
+version = "0.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0a6e5bd22c71e77d60140b0bd5be56155a37e5bd14e24f5f87298040d0cc40d7"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
@@ -367,12 +459,33 @@ dependencies = [
  "leb128",
 ]
 
+[[package]]
+name = "wasm-encoder"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa9d9bf45fc46f71c407837c9b30b1e874197f2dc357588430b21e5017d290ab"
+dependencies = [
+ "leb128",
+]
+
+[[package]]
+name = "wasmparser"
+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 = "winapi"
 version = "0.3.9"

platform/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-curlywas = { git="https://github.com/exoticorn/curlywas.git", rev="196719b" }
+curlywas = { git="https://github.com/exoticorn/curlywas.git", rev="89638565" }
 uw8-tool = { path="../uw8-tool" }
 anyhow = "1"
 lodepng = "3.4"

platform/src/main.rs

@@ -12,15 +12,15 @@ fn main() -> Result<()> {
 
     println!("Compiling loader module");
     let loader = curlywas::compile_file("src/loader.cwa", curlywas::Options::default())?;
-    File::create("bin/loader.wasm")?.write_all(&loader)?;
+    File::create("bin/loader.wasm")?.write_all(&loader.wasm)?;
 
-    println!("Loader (including base module): {} bytes", loader.len());
+    println!("Loader (including base module): {} bytes", loader.wasm.len());
 
     println!("Compiling platform module");
     let platform = curlywas::compile_file("src/platform.cwa", curlywas::Options::default())?;
     println!("Compressing platform module");
     let platform = uw8_tool::pack(
-        &platform,
+        &platform.wasm,
         &uw8_tool::PackConfig::default().with_compression_level(4),
     )?;
     File::create("bin/platform.uw8")?.write_all(&platform)?;

platform/src/platform.cwa

@@ -256,6 +256,11 @@ export fn line(x1: f32, y1: f32, x2: f32, y2: f32, col: i32) {
         p = y1;
     }
 
+    if max_axis == 0 as f32 {
+        setPixel(x1 as i32, y1 as i32, col);
+        return;
+    }
+
     let steps = floor(p + max_axis) as i32 - floor(p) as i32;
     p = floor(p) + 0.5 - p;
     if max_axis < 0 as f32 {
@@ -267,7 +272,7 @@ export fn line(x1: f32, y1: f32, x2: f32, y2: f32, col: i32) {
     dy = dy / max_axis;
 
     let f = min(max_axis, max(0 as f32, p));
-    setPixel((x1 + f * dx) as i32, (y1 + f * dy) as i32, col);
+    setPixel(i32.trunc_sat_f32_s(x1 + f * dx), i32.trunc_sat_f32_s(y1 + f * dy), col);
 
     if !steps {
         return;
@@ -280,7 +285,7 @@ export fn line(x1: f32, y1: f32, x2: f32, y2: f32, col: i32) {
 
     loop pixels {
         if steps := steps - 1 {
-            setPixel(x1 as i32, y1 as i32, col);
+            setPixel(i32.trunc_sat_f32_s(x1), i32.trunc_sat_f32_s(y1), col);
             x1 = x1 + dx;
             y1 = y1 + dy;
             branch pixels;
@@ -288,7 +293,7 @@ export fn line(x1: f32, y1: f32, x2: f32, y2: f32, col: i32) {
     }
 
     f = min(max_axis, p) - p;
-    setPixel((x1 + f * dx) as i32, (y1 + f * dy) as i32, col);
+    setPixel(i32.trunc_sat_f32_s(x1 + f * dx), i32.trunc_sat_f32_s(y1 + f * dy), col);
 }
 
 //////////

site/content/_index.md

@@ -15,11 +15,11 @@ The initial motivation behind MicroW8 was to explore whether there was a way to
 * Gamepad input (D-Pad + 4 Buttons)
 
 ## Examples
-* [Fireworks](v0.1.1#AgwvgP+M59snqjl4CMKw5sqm1Zw9yJCbSviMjeLUdHus2a3yl/a99+uiBeqZgP/2jqSjrLjRk73COMM6OSLpsxK8ugT1kuk/q4hQUqqPpGozHoa0laulzGGcahzdfdJsYaK1sIdeIYS9M5PnJx/Wk9H+PvWEPy2Zvv7I6IW7Fg==) (127 bytes): Some fireworks to welcome 2022.
+* [Fireworks](v0.1.2#AgwvgP+M59snqjl4CMKw5sqm1Zw9yJCbSviMjeLUdHus2a3yl/a99+uiBeqZgP/2jqSjrLjRk73COMM6OSLpsxK8ugT1kuk/q4hQUqqPpGozHoa0laulzGGcahzdfdJsYaK1sIdeIYS9M5PnJx/Wk9H+PvWEPy2Zvv7I6IW7Fg==) (127 bytes): Some fireworks to welcome 2022.
-* [Skip Ahead](v0.1.1#AgyfpZ80wkW28kiUZ9VIK4v+RPnVxqjK1dz2BcDoNyQPsS2g4OgEzkTe6jyoAfFOmqKrS8SM2aRljBal9mjNn8i4fP9eBK+RehQKxxGtJa9FqftvqEnh3ez1YaYxqj7jgTdzJ/WAYVmKMovBT1myrX3FamqKSOgMsNedLhVTLAhQup3sNcYEjGNo8b0HZ5+AgMgCwYRGCe//XQOMAaAAzqDILgmpEZ/43RKHcQpHEQwbURfNQJpadJe2sz3q5FlQnTGXQ9oSMokidhlC+aR/IpNHieuBGLhFZ2GfnwVQ0geBbQpTPA==) (229 bytes): A port of my [TIC-80 256byte game](http://tic80.com/play?cart=1735) from LoveByte'21
+* [Skip Ahead](v0.1.2#AgyfpZ80wkW28kiUZ9VIK4v+RPnVxqjK1dz2BcDoNyQPsS2g4OgEzkTe6jyoAfFOmqKrS8SM2aRljBal9mjNn8i4fP9eBK+RehQKxxGtJa9FqftvqEnh3ez1YaYxqj7jgTdzJ/WAYVmKMovBT1myrX3FamqKSOgMsNedLhVTLAhQup3sNcYEjGNo8b0HZ5+AgMgCwYRGCe//XQOMAaAAzqDILgmpEZ/43RKHcQpHEQwbURfNQJpadJe2sz3q5FlQnTGXQ9oSMokidhlC+aR/IpNHieuBGLhFZ2GfnwVQ0geBbQpTPA==) (229 bytes): A port of my [TIC-80 256byte game](http://tic80.com/play?cart=1735) from LoveByte'21
-* [OhNoAnotherTunnel](v0.1.1#AgPP1oEFvPzY/rBZwTumtYn37zeMFgpir1Bkn91jsNcp26VzoUpkAOOJTtnzVBfW+/dGnnIdbq/irBUJztY5wuua80DORTYZndgdwZHcSk15ajc4nyO0g1A6kGWyW56oZk0iPYJA9WtUmoj0Plvy1CGwIZrMe57X7QZcdqc3u6zjTA41Tpiqi9vnO3xbhi8o594Vx0XPXwVzpYq1ZCTYenfAGaXKkDmAFJqiVIsiCg==) (175 bytes): A port of my [entry](http://tic80.com/play?cart=1871) in the Outline'21 bytebattle final
+* [OhNoAnotherTunnel](v0.1.2#AgPP1oEFvPzY/rBZwTumtYn37zeMFgpir1Bkn91jsNcp26VzoUpkAOOJTtnzVBfW+/dGnnIdbq/irBUJztY5wuua80DORTYZndgdwZHcSk15ajc4nyO0g1A6kGWyW56oZk0iPYJA9WtUmoj0Plvy1CGwIZrMe57X7QZcdqc3u6zjTA41Tpiqi9vnO3xbhi8o594Vx0XPXwVzpYq1ZCTYenfAGaXKkDmAFJqiVIsiCg==) (175 bytes): A port of my [entry](http://tic80.com/play?cart=1871) in the Outline'21 bytebattle final
-* [Technotunnel](v0.1.1#AhPXpq894LaUhp5+HQf39f39/Jc8g5zUrBSc0uyKh36ivskczhY84h55zL8gWpkdvKuRQI+KIt80isKzh8jkM8nILcx0RUvyk8yjE8TgNsgkcORVI0RY5k3qE4ySjaycxa2DVZH61UWZuLsCouuwT7I80TbmmetQSbMywJ/avrrCZIAH0UzQfvOiCJNG48NI0FFY1vjB7a7dcp8Uqg==) (157 bytes): A port of my [entry](https://tic80.com/play?cart=1873) in the Outline'21 bytebattle quater final
+* [Technotunnel](v0.1.2#AhPXpq894LaUhp5+HQf39f39/Jc8g5zUrBSc0uyKh36ivskczhY84h55zL8gWpkdvKuRQI+KIt80isKzh8jkM8nILcx0RUvyk8yjE8TgNsgkcORVI0RY5k3qE4ySjaycxa2DVZH61UWZuLsCouuwT7I80TbmmetQSbMywJ/avrrCZIAH0UzQfvOiCJNG48NI0FFY1vjB7a7dcp8Uqg==) (157 bytes): A port of my [entry](https://tic80.com/play?cart=1873) in the Outline'21 bytebattle quater final
-* [Font & Palette](v0.1.1#At/p39+IBnj6ry1TRe7jzVy2A4tXgBvmoW2itzoyF2aM28pGy5QDiKxqrk8l9sbWZLtnAb+jgOfU+9QhpuyCAkhN6gPOU481IUL/df96vNe3h288Dqwhd3sfFpothIVFsMwRK72kW2hiR7zWsaXyy5pNmjR6BJk4piWx9ApT1ZwoUajhk6/zij6itq/FD1U3jj/J3MOwqZ2ef8Bv6ZPQlJIYVf62icGa69wS6SI1qBpIFiF14F8PcztRVbKIxLpT4ArCS6nz6FPnyUkqATGSBNPJ): Just a simple viewer for the default font and palette.
+* [Font & Palette](v0.1.2#At/p39+IBnj6ry1TRe7jzVy2A4tXgBvmoW2itzoyF2aM28pGy5QDiKxqrk8l9sbWZLtnAb+jgOfU+9QhpuyCAkhN6gPOU481IUL/df96vNe3h288Dqwhd3sfFpothIVFsMwRK72kW2hiR7zWsaXyy5pNmjR6BJk4piWx9ApT1ZwoUajhk6/zij6itq/FD1U3jj/J3MOwqZ2ef8Bv6ZPQlJIYVf62icGa69wS6SI1qBpIFiF14F8PcztRVbKIxLpT4ArCS6nz6FPnyUkqATGSBNPJ): Just a simple viewer for the default font and palette.
 
 Examplers for older versions:
 
@@ -29,6 +29,20 @@ Examplers for older versions:
 
 ## Versions
 
+### v0.1.2
+
+* [Web runtime](v0.1.2)
+* [Linux](https://github.com/exoticorn/microw8/releases/download/v0.1.2/microw8-0.1.2-linux.tgz)
+* [MacOS](https://github.com/exoticorn/microw8/releases/download/v0.1.2/microw8-0.1.2-macos.tgz)
+* [Windows](https://github.com/exoticorn/microw8/releases/download/v0.1.2/microw8-0.1.2-windows.zip)
+
+Changes:
+
+* add option to `uw8 run` to run the cart in the browser using the web runtime
+* CurlyWas: implement `include` support
+* CurlyWas: implement support for constants
+* fix crash when trying to draw zero sized line
+
 ### v0.1.1
 
 * [Web runtime](v0.1.1)

site/content/docs.md

@@ -47,7 +47,7 @@ Returns the arccosine of `x`.
 
 Returns the arctangent of `x`.
 
-### fn atan2(y: f32, y: f32) -> f32
+### fn atan2(y: f32, x: f32) -> f32
 
 Returns the angle between the point `(x, y)` and the positive x-axis.
 
@@ -284,6 +284,7 @@ Runs `<file>` which can be a binary WebAssembly module, an `.uw8` cart, a wat (W
 
 Options:
 
+* `-b`, `--browser`: Run in browser instead of using native runtime
 * `-t FRAMES`, `--timeout FRAMES`: Sets the timeout in frames (1/60s). If the start or update function runs longer than this it is forcibly interupted
 and execution of the cart is stopped. Defaults to 30 (0.5s)
 * `-w`, `--watch`: Reloads the given file every time it changes on disk.

src/filewatcher.rs

@@ -1,23 +1,38 @@
-use anyhow::{bail, Result};
+use anyhow::{anyhow, bail, Result};
-use notify::{DebouncedEvent, Watcher, RecommendedWatcher};
+use notify::{DebouncedEvent, RecommendedWatcher, Watcher};
-use std::{
+use std::{collections::BTreeSet, path::PathBuf, sync::mpsc, time::Duration};
-    collections::BTreeSet,
-    path::{Path, PathBuf},
-    sync::mpsc,
-    time::Duration,
-};
 
 pub struct FileWatcher {
-    _watcher: RecommendedWatcher,
+    watcher: RecommendedWatcher,
     watched_files: BTreeSet<PathBuf>,
+    directories: BTreeSet<PathBuf>,
     rx: mpsc::Receiver<DebouncedEvent>,
 }
 
-pub struct FileWatcherBuilder(BTreeSet<PathBuf>);
-
 impl FileWatcher {
-    pub fn builder() -> FileWatcherBuilder {
+    pub fn new() -> Result<FileWatcher> {
-        FileWatcherBuilder(BTreeSet::new())
+        let (tx, rx) = mpsc::channel();
+        let watcher = notify::watcher(tx, Duration::from_millis(100))?;
+        Ok(FileWatcher {
+            watcher,
+            watched_files: BTreeSet::new(),
+            directories: BTreeSet::new(),
+            rx,
+        })
+    }
+
+    pub fn add_file<P: Into<PathBuf>>(&mut self, path: P) -> Result<()> {
+        let path = path.into();
+        let parent = path.parent().ok_or_else(|| anyhow!("File has no parent"))?;
+
+        if !self.directories.contains(parent) {
+            self.watcher
+                .watch(parent, notify::RecursiveMode::NonRecursive)?;
+            self.directories.insert(parent.to_path_buf());
+        }
+
+        self.watched_files.insert(path);
+        Ok(())
     }
 
     pub fn poll_changed_file(&self) -> Result<Option<PathBuf>> {
@@ -38,33 +53,3 @@ impl FileWatcher {
         Ok(None)
     }
 }
-
-impl FileWatcherBuilder {
-    pub fn add_file<P: Into<PathBuf>>(&mut self, path: P) -> &mut Self {
-        self.0.insert(path.into());
-        self
-    }
-
-    pub fn build(self) -> Result<FileWatcher> {
-        let mut directories: BTreeSet<&Path> = BTreeSet::new();
-
-        for file in &self.0 {
-            if let Some(directory) = file.parent() {
-                directories.insert(directory);
-            }
-        }
-
-        let (tx, rx) = mpsc::channel();
-        let mut watcher = notify::watcher(tx, Duration::from_millis(100))?;
-
-        for directory in directories {
-            watcher.watch(directory, notify::RecursiveMode::NonRecursive)?;
-        }
-
-        Ok(FileWatcher {
-            _watcher: watcher,
-            watched_files: self.0,
-            rx,
-        })
-    }
-}

src/main.rs

@@ -77,13 +77,7 @@ fn run(mut args: Arguments) -> Result<()> {
 
     let filename = args.free_from_os_str::<PathBuf, bool>(|s| Ok(s.into()))?;
 
-    let mut watcher = uw8::FileWatcher::builder();
+    let mut watcher = uw8::FileWatcher::new()?;
-
-    if watch_mode {
-        watcher.add_file(&filename);
-    }
-
-    let watcher = watcher.build()?;
 
     use std::process::exit;
 
@@ -103,18 +97,26 @@ fn run(mut args: Arguments) -> Result<()> {
         runtime.set_timeout(timeout);
     }
 
-    if let Err(err) = start_cart(&filename, &mut *runtime, &config) {
+    let mut first_run = true;
+
+    while runtime.is_open() {
+        if first_run || watcher.poll_changed_file()?.is_some() {
+            match start_cart(&filename, &mut *runtime, &config) {
+                Ok(dependencies) => {
+                    if watch_mode {
+                        for dep in dependencies {
+                            watcher.add_file(dep)?;
+                        }
+                    }
+                }
+                Err(err) => {
                     eprintln!("Load error: {}", err);
                     if !watch_mode {
                         exit(1);
                     }
                 }
-
-    while runtime.is_open() {
-        if watcher.poll_changed_file()?.is_some() {
-            if let Err(err) = start_cart(&filename, &mut *runtime, &config) {
-                eprintln!("Load error: {}", err);
             }
+            first_run = false;
         }
 
         if let Err(err) = runtime.run_frame() {
@@ -134,18 +136,26 @@ struct Config {
     output_path: Option<PathBuf>,
 }
 
-fn load_cart(filename: &Path, config: &Config) -> Result<Vec<u8>> {
+fn load_cart(filename: &Path, config: &Config) -> Result<(Vec<u8>, Vec<PathBuf>)> {
+    let mut dependencies = Vec::new();
+    let mut cart = match SourceType::of_file(filename)? {
+        SourceType::Binary => {
             let mut cart = vec![];
             File::open(filename)?.read_to_end(&mut cart)?;
-
+            dependencies.push(filename.to_path_buf());
-    if cart[0] >= 10 {
+            cart
-        let src = String::from_utf8(cart)?;
-        cart = if src.chars().find(|c| !c.is_whitespace()) == Some('(') {
-            wat::parse_str(src)?
-        } else {
-            curlywas::compile_str(&src, filename, curlywas::Options::default())?
-        };
         }
+        SourceType::Wat => {
+            let cart = wat::parse_file(filename)?;
+            dependencies.push(filename.to_path_buf());
+            cart
+        }
+        SourceType::CurlyWas => {
+            let module = curlywas::compile_file(filename, curlywas::Options::default())?;
+            dependencies = module.dependencies;
+            module.wasm
+        }
+    };
 
     if let Some(ref pack_config) = config.pack {
         cart = uw8_tool::pack(&cart, pack_config)?;
@@ -156,18 +166,53 @@ fn load_cart(filename: &Path, config: &Config) -> Result<Vec<u8>> {
         File::create(path)?.write_all(&cart)?;
     }
 
-    Ok(cart)
+    Ok((cart, dependencies))
+}
+
+enum SourceType {
+    Binary,
+    Wat,
+    CurlyWas,
+}
+
+impl SourceType {
+    fn of_file(filename: &Path) -> Result<SourceType> {
+        if let Some(extension) = filename.extension() {
+            if extension == "uw8" || extension == "wasm" {
+                return Ok(SourceType::Binary);
+            } else if extension == "wat" || extension == "wast" {
+                return Ok(SourceType::Wat);
+            } else if extension == "cwa" {
+                return Ok(SourceType::CurlyWas);
+            }
+        }
+
+        let mut cart = vec![];
+        File::open(filename)?.read_to_end(&mut cart)?;
+
+        let ty = if cart[0] < 10 {
+            SourceType::Binary
+        } else {
+            let src = String::from_utf8(cart)?;
+            if src.chars().find(|&c| !c.is_whitespace() && c != ';') == Some('(') {
+                SourceType::Wat
+            } else {
+                SourceType::CurlyWas
+            }
+        };
+        Ok(ty)
+    }
 }
 
 #[cfg(any(feature = "native", feature = "browser"))]
-fn start_cart(filename: &Path, runtime: &mut dyn Runtime, config: &Config) -> Result<()> {
+fn start_cart(filename: &Path, runtime: &mut dyn Runtime, config: &Config) -> Result<Vec<PathBuf>> {
     let cart = load_cart(filename, config)?;
 
-    if let Err(err) = runtime.load(&cart) {
+    if let Err(err) = runtime.load(&cart.0) {
         eprintln!("Load error: {}", err);
         Err(err)
     } else {
-        Ok(())
+        Ok(cart.1)
     }
 }
 
@@ -186,7 +231,7 @@ fn pack(mut args: Arguments) -> Result<()> {
 
     let out_file = args.free_from_os_str::<PathBuf, bool>(|s| Ok(s.into()))?;
 
-    let cart = load_cart(
+    let (cart, _) = load_cart(
         &in_file,
         &Config {
             pack: Some(pack_config),
@@ -216,7 +261,7 @@ fn compile(mut args: Arguments) -> Result<()> {
     let out_file = args.free_from_os_str::<PathBuf, bool>(|s| Ok(s.into()))?;
 
     let module = curlywas::compile_file(in_file, options)?;
-    File::create(out_file)?.write_all(&module)?;
+    File::create(out_file)?.write_all(&module.wasm)?;
 
     Ok(())
 }

uw8-tool/src/base_module.rs

@@ -71,26 +71,100 @@ impl BaseModule {
         add_function(&mut functions, &type_map, "randomSeed", &[I32], None);
 
         add_function(&mut functions, &type_map, "cls", &[I32], None);
-        add_function(&mut functions, &type_map, "setPixel", &[I32, I32, I32], None);
+        add_function(
-        add_function(&mut functions, &type_map, "getPixel", &[I32, I32], Some(I32));
+            &mut functions,
-        add_function(&mut functions, &type_map, "hline", &[I32, I32, I32, I32], None);
+            &type_map,
-        add_function(&mut functions, &type_map, "rectangle", &[F32, F32, F32, F32, I32], None);
+            "setPixel",
-        add_function(&mut functions, &type_map, "circle", &[F32, F32, F32, I32], None);
+            &[I32, I32, I32],
-        add_function(&mut functions, &type_map, "line", &[F32, F32, F32, F32, I32], None);
+            None,
+        );
+        add_function(
+            &mut functions,
+            &type_map,
+            "getPixel",
+            &[I32, I32],
+            Some(I32),
+        );
+        add_function(
+            &mut functions,
+            &type_map,
+            "hline",
+            &[I32, I32, I32, I32],
+            None,
+        );
+        add_function(
+            &mut functions,
+            &type_map,
+            "rectangle",
+            &[F32, F32, F32, F32, I32],
+            None,
+        );
+        add_function(
+            &mut functions,
+            &type_map,
+            "circle",
+            &[F32, F32, F32, I32],
+            None,
+        );
+        add_function(
+            &mut functions,
+            &type_map,
+            "line",
+            &[F32, F32, F32, F32, I32],
+            None,
+        );
 
         add_function(&mut functions, &type_map, "time", &[], Some(F32));
-        add_function(&mut functions, &type_map, "isButtonPressed", &[I32], Some(I32));
+        add_function(
-        add_function(&mut functions, &type_map, "isButtonTriggered", &[I32], Some(I32));
+            &mut functions,
+            &type_map,
+            "isButtonPressed",
+            &[I32],
+            Some(I32),
+        );
+        add_function(
+            &mut functions,
+            &type_map,
+            "isButtonTriggered",
+            &[I32],
+            Some(I32),
+        );
 
         add_function(&mut functions, &type_map, "printChar", &[I32], None);
         add_function(&mut functions, &type_map, "printString", &[I32], None);
         add_function(&mut functions, &type_map, "printInt", &[I32], None);
         add_function(&mut functions, &type_map, "setTextColor", &[I32], None);
-        add_function(&mut functions, &type_map, "setBackgroundColor", &[I32], None);
+        add_function(
-        add_function(&mut functions, &type_map, "setCursorPosition", &[I32, I32], None);
+            &mut functions,
+            &type_map,
+            "setBackgroundColor",
+            &[I32],
+            None,
+        );
+        add_function(
+            &mut functions,
+            &type_map,
+            "setCursorPosition",
+            &[I32, I32],
+            None,
+        );
 
-        add_function(&mut functions, &type_map, "rectangle_outline", &[F32, F32, F32, F32, I32], None);
+        add_function(
-        add_function(&mut functions, &type_map, "circle_outline", &[F32, F32, F32, I32], None);
+            &mut functions,
+            &type_map,
+            "rectangle_outline",
+            &[F32, F32, F32, F32, I32],
+            None,
+        );
+        add_function(
+            &mut functions,
+            &type_map,
+            "circle_outline",
+            &[F32, F32, F32, I32],
+            None,
+        );
+
+        add_function(&mut functions, &type_map, "exp", &[F32], Some(F32));
 
         for i in functions.len()..64 {
             add_function(
@@ -214,6 +288,68 @@ impl BaseModule {
         File::create(path)?.write_all(&data)?;
         Ok(())
     }
+
+    pub fn write_as_cwa<P: AsRef<Path>>(&self, path: P) -> Result<()> {
+        fn inner(mut file: File, base: &BaseModule) -> Result<()> {
+            writeln!(file, "// MicroW8 APIs, to be `include`d in CurlyWas sources")?;
+            writeln!(file, "import \"env.memory\" memory({});", base.memory)?;
+            writeln!(file)?;
+            for &(module, ref name, type_id) in &base.function_imports {
+                if !name.contains("reserved") {
+                    let ty = &base.types[type_id as usize];
+                    let params: Vec<&str> = ty.params.iter().copied().map(type_to_str).collect();
+                    write!(
+                        file,
+                        "import \"{}.{}\" fn {}({})",
+                        module,
+                        name,
+                        name,
+                        params.join(", ")
+                    )?;
+                    if let Some(result) = ty.result {
+                        write!(file, " -> {}", type_to_str(result))?;
+                    }
+                    writeln!(file, ";")?;
+                }
+            }
+
+            writeln!(file)?;
+            for &(name, value) in CONSTANTS {
+                writeln!(file, "const {} = 0x{:x};", name, value)?;
+            }
+            Ok(())
+        }
+        inner(File::create(path)?, self)
+    }
+
+    pub fn write_as_wat<P: AsRef<Path>>(&self, path: P) -> Result<()> {
+        fn inner(mut file: File, base: &BaseModule) -> Result<()> {
+            writeln!(file, ";; MicroW8 APIs, in WAT (Wasm Text) format")?;
+            writeln!(file, "(import \"env\" \"memory\" (memory {}))", base.memory)?;
+            writeln!(file)?;
+            for &(module, ref name, type_id) in &base.function_imports {
+                if !name.contains("reserved") {
+                    let ty = &base.types[type_id as usize];
+                    write!(file, "(import \"{}\" \"{}\" (func ${}", module, name, name)?;
+                    for &param in &ty.params {
+                        write!(file, " (param {})", type_to_str(param))?;
+                    }
+                    if let Some(result) = ty.result {
+                        write!(file, " (result {})", type_to_str(result))?;
+                    }
+                    writeln!(file, "))")?;
+                }
+            }
+
+            writeln!(file)?;
+            writeln!(file, ";; to use defines, include this file with a preprocessor\n;; like gpp (https://logological.org/gpp).")?;
+            for &(name, value) in CONSTANTS {
+                writeln!(file, "#define {} 0x{:x};", name, value)?;
+            }
+            Ok(())
+        }
+        inner(File::create(path)?, self)
+    }
 }
 
 fn add_function(
@@ -241,3 +377,30 @@ fn lookup_type(
     };
     *type_map.get(&key).unwrap()
 }
+
+fn type_to_str(ty: ValType) -> &'static str {
+    match ty {
+        ValType::I32 => "i32",
+        ValType::I64 => "i64",
+        ValType::F32 => "f32",
+        ValType::F64 => "f64",
+        _ => unimplemented!(),
+    }
+}
+
+const CONSTANTS: &[(&str, u32)] = &[
+    ("TIME_MS", 0x40),
+    ("GAMEPAD", 0x44),
+    ("FRAMEBUFFER", 0x78),
+    ("PALETTE", 0x13000),
+    ("FONT", 0x13400),
+    ("USER_MEM", 0x14000),
+    ("BUTTON_UP", 0),
+    ("BUTTON_DOWN", 1),
+    ("BUTTON_LEFT", 2),
+    ("BUTTON_RIGHT", 3),
+    ("BUTTON_A", 4),
+    ("BUTTON_B", 5),
+    ("BUTTON_X", 6),
+    ("BUTTON_Y", 7)
+];

uw8-tool/src/main.rs

@@ -1,8 +1,8 @@
 use std::path::PathBuf;
 
 use anyhow::Result;
-use uw8_tool::BaseModule;
 use pico_args::Arguments;
+use uw8_tool::BaseModule;
 
 fn main() -> Result<()> {
     let mut args = Arguments::from_env();
@@ -32,6 +32,14 @@ fn main() -> Result<()> {
                 let dest: PathBuf = args.free_from_str()?;
                 uw8_tool::filter_exports(&source, &dest)?;
             }
+            "base-cwa" => {
+                let path: PathBuf = args.free_from_str()?;
+                BaseModule::for_format_version(1)?.write_as_cwa(path)?;
+            }
+            "base-wat" => {
+                let path: PathBuf = args.free_from_str()?;
+                BaseModule::for_format_version(1)?.write_as_wat(path)?;
+            }
             _ => {
                 eprintln!("Unknown subcommand '{}'", cmd);
                 print_help();

web/src/index.html

@@ -10,7 +10,7 @@
     </head>
     <body>
         <div id="uw8">
-            <a href="https://exoticorn.github.io/microw8">MicroW8</a> 0.1.1
+            <a href="https://exoticorn.github.io/microw8">MicroW8</a> 0.1.2
         </div>
         <div id="centered">
             <canvas id="screen" width="320" height="240">