clamp snd samples into valid -1.0..1.0 range

call an exported start function if it exists
only open browser once cart has been compiled succesfully
2026-01-20 11:16:42 +01:00 · 2024-06-09 00:46:16 +02:00 · 2024-06-09 00:35:25 +02:00 · 2024-06-09 00:35:13 +02:00 · 2024-06-09 00:33:49 +02:00 · 2023-01-23 23:21:45 +01:00
24 changed files with 426 additions and 62 deletions
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -159,6 +159,12 @@ dependencies = [
 "rustc-demangle",
 ]

+[[package]]
+name = "base-x"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4cbbc9d0964165b47557570cce6c952866c2678457aca742aafc9fb771d30270"
+
 [[package]]
 name = "base64"
 version = "0.13.0"
@@ -559,27 +565,27 @@ dependencies = [

 [[package]]
 name = "cpal"
-version = "0.13.5"
+version = "0.14.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74117836a5124f3629e4b474eed03e479abaf98988b4bb317e29f08cfe0e4116"
+checksum = "e73413ddcb69c398125f5529714492e070c64c6a090ad5b01d8c082b320a0809"
 dependencies = [
 "alsa",
 "core-foundation-sys 0.8.3",
 "coreaudio-rs",
 "jni",
 "js-sys",
- "lazy_static",
 "libc",
 "mach",
- "ndk 0.6.0",
- "ndk-glue 0.6.1",
- "nix 0.23.1",
+ "ndk 0.7.0",
+ "ndk-context",
+ "nix 0.25.0",
 "oboe",
- "parking_lot",
+ "once_cell",
+ "parking_lot 0.12.1",
 "stdweb",
 "thiserror",
 "web-sys",
- "winapi 0.3.9",
+ "windows",
 ]

 [[package]]
@@ -863,6 +869,12 @@ dependencies = [
 "winapi 0.3.9",
 ]

+[[package]]
+name = "discard"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "212d0f5754cb6769937f4501cc0e67f4f4483c8d2c3e1e922ee9edbe4ab4c7c0"
+
 [[package]]
 name = "dispatch"
 version = "0.2.0"
@@ -1588,9 +1600,9 @@ checksum = "884e2677b40cc8c339eaefcb701c32ef1fd2493d71118dc0ca4b6a736c93bd67"

 [[package]]
 name = "libc"
-version = "0.2.126"
+version = "0.2.137"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
+checksum = "fc7fcc620a3bff7cdd7a365be3376c97191aeaccc2a603e600951e452615bf89"

 [[package]]
 name = "libloading"
@@ -1885,6 +1897,20 @@ dependencies = [
 "thiserror",
 ]

+[[package]]
+name = "ndk"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "451422b7e4718271c8b5b3aadf5adedba43dc76312454b387e98fae0fc951aa0"
+dependencies = [
+ "bitflags",
+ "jni-sys",
+ "ndk-sys 0.4.0",
+ "num_enum",
+ "raw-window-handle 0.5.0",
+ "thiserror",
+]
+
 [[package]]
 name = "ndk-context"
 version = "0.1.0"
@@ -1949,6 +1975,15 @@ dependencies = [
 "jni-sys",
 ]

+[[package]]
+name = "ndk-sys"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "21d83ec9c63ec5bf950200a8e508bdad6659972187b625469f58ef8c08e29046"
+dependencies = [
+ "jni-sys",
+]
+
 [[package]]
 name = "net2"
 version = "0.2.37"
@@ -1986,6 +2021,20 @@ dependencies = [
 "memoffset",
 ]

+[[package]]
+name = "nix"
+version = "0.25.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e322c04a9e3440c327fca7b6c8a63e6890a32fa2ad689db972425f07e0d22abb"
+dependencies = [
+ "autocfg",
+ "bitflags",
+ "cfg-if 1.0.0",
+ "libc",
+ "memoffset",
+ "pin-utils",
+]
+
 [[package]]
 name = "nom"
 version = "7.1.1"
@@ -2158,9 +2207,9 @@ dependencies = [

 [[package]]
 name = "once_cell"
-version = "1.9.0"
+version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da32515d9f6e6e489d7bc9d84c71b060db7247dc035bbe44eac88cf87486d8d5"
+checksum = "86f0b0d4bf799edbc74508c1e8bf170ff5f41238e5f8225603ca7caaae2b7860"

 [[package]]
 name = "opaque-debug"
@@ -2191,7 +2240,17 @@ checksum = "7d17b78036a60663b797adeaee46f5c9dfebb86948d1255007a1d6be0271ff99"
 dependencies = [
 "instant",
 "lock_api",
- "parking_lot_core",
+ "parking_lot_core 0.8.5",
+]
+
+[[package]]
+name = "parking_lot"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f"
+dependencies = [
+ "lock_api",
+ "parking_lot_core 0.9.4",
 ]

 [[package]]
@@ -2208,6 +2267,19 @@ dependencies = [
 "winapi 0.3.9",
 ]

+[[package]]
+name = "parking_lot_core"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4dc9e0dc2adc1c69d09143aff38d3d30c5c3f0df0dad82e6d25547af174ebec0"
+dependencies = [
+ "cfg-if 1.0.0",
+ "libc",
+ "redox_syscall",
+ "smallvec",
+ "windows-sys",
+]
+
 [[package]]
 name = "paste"
 version = "1.0.6"
@@ -2423,6 +2495,15 @@ dependencies = [
 "cty",
 ]

+[[package]]
+name = "raw-window-handle"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed7e3d950b66e19e0c372f3fa3fbbcf85b1746b571f74e0c2af6042a5c93420a"
+dependencies = [
+ "cty",
+]
+
 [[package]]
 name = "rayon"
 version = "1.5.1"
@@ -2556,6 +2637,15 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"

+[[package]]
+name = "rustc_version"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
+dependencies = [
+ "semver",
+]
+
 [[package]]
 name = "rustfft"
 version = "6.0.1"
@@ -2654,6 +2744,21 @@ dependencies = [
 "version-compare",
 ]

+[[package]]
+name = "semver"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
+dependencies = [
+ "semver-parser",
+]
+
+[[package]]
+name = "semver-parser"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
+
 [[package]]
 name = "serde"
 version = "1.0.138"
@@ -2721,6 +2826,21 @@ dependencies = [
 "digest 0.10.3",
 ]

+[[package]]
+name = "sha1"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1da05c97445caa12d05e848c4a4fcbbea29e748ac28f7e80e9b010392063770"
+dependencies = [
+ "sha1_smol",
+]
+
+[[package]]
+name = "sha1_smol"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae1a47186c03a32177042e55dbc5fd5aee900b8e0069a8d70fba96a9375cd012"
+
 [[package]]
 name = "sha2"
 version = "0.9.9"
@@ -2814,9 +2934,52 @@ checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"

 [[package]]
 name = "stdweb"
-version = "0.1.3"
+version = "0.4.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef5430c8e36b713e13b48a9f709cc21e046723fe44ce34587b73a830203b533e"
+checksum = "d022496b16281348b52d0e30ae99e01a73d737b2f45d38fed4edf79f9325a1d5"
+dependencies = [
+ "discard",
+ "rustc_version",
+ "stdweb-derive",
+ "stdweb-internal-macros",
+ "stdweb-internal-runtime",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "stdweb-derive"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c87a60a40fccc84bef0652345bbbbbe20a605bf5d0ce81719fc476f5c03b50ef"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_derive",
+ "syn",
+]
+
+[[package]]
+name = "stdweb-internal-macros"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "58fa5ff6ad0d98d1ffa8cb115892b6e69d67799f6763e162a1c9db421dc22e11"
+dependencies = [
+ "base-x",
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "sha1",
+ "syn",
+]
+
+[[package]]
+name = "stdweb-internal-runtime"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "213701ba3370744dcd1a12960caa4843b3d68b4d1c0a5d575e0d65b2ee9d16c0"

 [[package]]
 name = "strength_reduce"
@@ -3743,7 +3906,7 @@ dependencies = [
 "js-sys",
 "log",
 "naga",
- "parking_lot",
+ "parking_lot 0.11.2",
 "raw-window-handle 0.4.2",
 "smallvec",
 "wasm-bindgen",
@@ -3769,7 +3932,7 @@ dependencies = [
 "fxhash",
 "log",
 "naga",
- "parking_lot",
+ "parking_lot 0.11.2",
 "profiling",
 "raw-window-handle 0.4.2",
 "smallvec",
@@ -3806,7 +3969,7 @@ dependencies = [
 "metal",
 "naga",
 "objc",
- "parking_lot",
+ "parking_lot 0.11.2",
 "profiling",
 "range-alloc",
 "raw-window-handle 0.4.2",
@@ -3876,6 +4039,106 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"

+[[package]]
+name = "windows"
+version = "0.37.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57b543186b344cc61c85b5aab0d2e3adf4e0f99bc076eff9aa5927bcc0b8a647"
+dependencies = [
+ "windows_aarch64_msvc 0.37.0",
+ "windows_i686_gnu 0.37.0",
+ "windows_i686_msvc 0.37.0",
+ "windows_x86_64_gnu 0.37.0",
+ "windows_x86_64_msvc 0.37.0",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc 0.42.0",
+ "windows_i686_gnu 0.42.0",
+ "windows_i686_msvc 0.42.0",
+ "windows_x86_64_gnu 0.42.0",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc 0.42.0",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41d2aa71f6f0cbe00ae5167d90ef3cfe66527d6f613ca78ac8024c3ccab9a19e"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.37.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2623277cb2d1c216ba3b578c0f3cf9cdebeddb6e66b1b218bb33596ea7769c3a"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd0f252f5a35cac83d6311b2e795981f5ee6e67eb1f9a7f64eb4500fbc4dcdb4"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.37.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3925fd0b0b804730d44d4b6278c50f9699703ec49bcd628020f46f4ba07d9e1"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fbeae19f6716841636c28d695375df17562ca208b2b7d0dc47635a50ae6c5de7"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.37.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce907ac74fe331b524c1298683efbf598bb031bc84d5e274db2083696d07c57c"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "84c12f65daa39dd2babe6e442988fc329d6243fdce47d7d2d155b8d874862246"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.37.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2babfba0828f2e6b32457d5341427dcbb577ceef556273229959ac23a10af33d"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf7b1b21b5362cbc318f686150e5bcea75ecedc74dd157d874d754a2ca44b0ed"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09d525d2ba30eeb3297665bd434a54297e4170c7f1a44cad4ef58095b4cd2028"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.37.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f4dd6dc7df2d84cf7b33822ed5b86318fb1781948e9663bacd047fc9dd52259d"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f40009d85759725a34da6d89a94e63d7bdc50a862acf0dbc7c8e488f1edcb6f5"
+
 [[package]]
 name = "winit"
 version = "0.26.1"
@@ -3897,7 +4160,7 @@ dependencies = [
 "ndk-glue 0.5.1",
 "ndk-sys 0.2.2",
 "objc",
- "parking_lot",
+ "parking_lot 0.11.2",
 "percent-encoding",
 "raw-window-handle 0.4.2",
 "smithay-client-toolkit",
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,5 +27,5 @@ tokio = { version = "1.17.0", features = ["sync", "rt"], optional = true }
 tokio-stream = { version = "0.1.8", features = ["sync"], optional = true }
 webbrowser = { version = "0.6.0", optional = true }
 ansi_term = "0.12.1"
-cpal = { version = "0.13.5", optional = true }
+cpal = { version = "0.14.1", optional = true }
 rubato = { version = "0.11.0", optional = true }
--- a/examples/include/microw8-api.cwa
+++ b/examples/include/microw8-api.cwa
@@ -34,6 +34,7 @@ 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;
 import "env.playNote" fn playNote(i32, i32);
+import "env.sndGes" fn sndGes(i32) -> f32;

 const TIME_MS = 0x40;
 const GAMEPAD = 0x44;
--- a/examples/include/microw8-api.wat
+++ b/examples/include/microw8-api.wat
@@ -34,6 +34,7 @@
 (import "env" "circle_outline" (func $circle_outline (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)))

 ;; to use defines, include this file with a preprocessor
 ;; like gpp (https://logological.org/gpp).
--- a/platform/Cargo.lock
+++ b/platform/Cargo.lock
@@ -391,7 +391,7 @@ checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
 [[package]]
 name = "upkr"
 version = "0.1.0"
-source = "git+https://github.com/exoticorn/upkr.git?rev=2e7983fc#2e7983fc650788d98da2eecef2d16f63e849e4a0"
+source = "git+https://github.com/exoticorn/upkr.git?rev=d93aec186c9fb91d962c488682a2db125c61306c#d93aec186c9fb91d962c488682a2db125c61306c"
 dependencies = [
 "anyhow",
 "cdivsufsort",
--- a/platform/bin/loader.wasm
+++ b/platform/bin/loader.wasm
--- a/platform/bin/platform.uw8
+++ b/platform/bin/platform.uw8
--- a/platform/src/ges.cwa
+++ b/platform/src/ges.cwa
@@ -10,7 +10,7 @@ const GesState.Size = GesState.Filter + 8*4;
 const GesStateOffset = 32;
 const GesBufferOffset = 32 + GesState.Size;

-export fn gesSnd(t: i32) -> f32 {
+export fn sndGes(t: i32) -> f32 {
    let baseAddr = 0!0x12c78;
    if !(t & 127) {
        let i: i32;
@@ -62,7 +62,6 @@ export fn gesSnd(t: i32) -> f32 {
            let phase = channelState!GesChannelState.Phase;

            let inline pulseWidth = channelReg?1;
-            let phaseShift = (pulseWidth - 128) * 255;
            let invPhaseInc = 1 as f32 / phaseInc as f32;

            i = 0;
@@ -131,7 +130,7 @@ export fn gesSnd(t: i32) -> f32 {
                let phaseInc = (freq * (65536.0 / 44100.0)) as i32;

                let phase = channelState!GesChannelState.Phase;
-                if modSrc > ch {
+                if modSrc < ch {
                    phase = phase - (phaseInc << 6);
                }

--- a/platform/src/platform.cwa
+++ b/platform/src/platform.cwa
@@ -372,16 +372,7 @@ export fn printChar(char: i32) {
 global mut controlCodeLength = 0;

 fn printSingleChar(char: i32) {
-    if char >= 4 & char <= 6 {
-        outputChannel = char - 4;
-        if !outputChannel {
-            textCursorX = 0;
-            textCursorY = 0;
-        }
-        return;
-    }
-
-    if outputChannel >= 2 {
+    if outputChannel >= 2 & (char < 4 | char > 6) {
        logChar(char);
        return;
    }
@@ -399,6 +390,15 @@ 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;
--- a/site/content/_index.md
+++ b/site/content/_index.md
@@ -29,6 +29,19 @@ Examplers for older versions:

 ## Versions

+### v0.2.1
+
+* [Web runtime](v0.2.1)
+* [Linux](https://github.com/exoticorn/microw8/releases/download/v0.2.1/microw8-0.2.1-linux.tgz)
+* [MacOS](https://github.com/exoticorn/microw8/releases/download/v0.2.1/microw8-0.2.1-macos.tgz)
+* [Windows](https://github.com/exoticorn/microw8/releases/download/v0.2.1/microw8-0.2.1-windows.zip)
+
+Changes:
+
+* new gpu accelerated renderer with (optional) crt filter
+* optimized `hline` function, a big speed-up when drawing large filled circles or rectangles
+* print fractional size of packed `uw8` cart
+
 ### v0.2.0

 * [Web runtime](v0.2.0)
--- a/site/static/v0.2.1/index.html
+++ b/site/static/v0.2.1/index.html
--- a/site/templates/index.html
+++ b/site/templates/index.html
@@ -4,7 +4,7 @@
        <section>
            <h1 class="text-center heading-text">A WebAssembly based fantasy console</h1>
        </section>
-        <a href="v0.2.0">
+        <a href="v0.2.1">
            <img class="demonstration-gif" style="width:640px;height:480px;image-rendering:pixelated" src="img/technotunnel.png"></img>
        </a>
    </div>
--- a/src/main.rs
+++ b/src/main.rs
@@ -81,11 +81,12 @@ fn run(mut args: Arguments) -> Result<()> {
    #[cfg(not(feature = "native"))]
    let run_browser = args.contains(["-b", "--browser"]) || true;

+    #[allow(unused)]
    let disable_audio = args.contains(["-m", "--no-audio"]);

    #[cfg(feature = "native")]
    let window_config = {
-        let mut config = WindowConfig::default();
+        let mut config = uw8_window::WindowConfig::default();
        if !run_browser {
            config.parse_arguments(&mut args);
        }
@@ -98,8 +99,6 @@ fn run(mut args: Arguments) -> Result<()> {

    use std::process::exit;

-    use uw8_window::WindowConfig;
-
    let mut runtime: Box<dyn Runtime> = if !run_browser {
        #[cfg(not(feature = "native"))]
        unimplemented!();
--- a/src/run-web.html
+++ b/src/run-web.html
--- a/src/run_native.rs
+++ b/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 {
@@ -314,7 +318,7 @@ fn init_sound(

    let snd = instance
        .get_typed_func::<(i32,), f32, _>(&mut store, "snd")
-        .or_else(|_| platform_instance.get_typed_func::<(i32,), f32, _>(&mut store, "gesSnd"))?;
+        .or_else(|_| platform_instance.get_typed_func::<(i32,), f32, _>(&mut store, "sndGes"))?;

    let host = cpal::default_host();
    let device = host
@@ -342,7 +346,7 @@ fn init_sound(
        .ok_or_else(|| anyhow!("Could not find float output config"))?;
    let sample_rate = cpal::SampleRate(44100)
        .max(config.min_sample_rate())
-        .max(config.max_sample_rate());
+        .min(config.max_sample_rate());
    let config = config.with_sample_rate(sample_rate);
    let buffer_size = match *config.buffer_size() {
        cpal::SupportedBufferSize::Unknown => cpal::BufferSize::Default,
@@ -419,6 +423,14 @@ fn init_sound(
                    mem[64..68].copy_from_slice(&current_time.to_le_bytes());
                }

+                fn clamp_sample(s: f32) -> f32 {
+                    if s.is_nan() {
+                        0.0
+                    } else {
+                        s.max(-1.0).min(1.0)
+                    }
+                }
+
                if let Some(ref mut resampler) = resampler {
                    while !buffer.is_empty() {
                        let copy_size = resampler.output_buffers[0]
@@ -429,10 +441,12 @@ fn init_sound(
                            resampler.input_buffers[0].clear();
                            resampler.input_buffers[1].clear();
                            for _ in 0..resampler.resampler.input_frames_next() {
-                                resampler.input_buffers[0]
-                                    .push(snd.call(&mut store, (sample_index,)).unwrap_or(0.0));
-                                resampler.input_buffers[1]
-                                    .push(snd.call(&mut store, (sample_index + 1,)).unwrap_or(0.0));
+                                resampler.input_buffers[0].push(clamp_sample(
+                                    snd.call(&mut store, (sample_index,)).unwrap_or(0.0),
+                                ));
+                                resampler.input_buffers[1].push(clamp_sample(
+                                    snd.call(&mut store, (sample_index + 1,)).unwrap_or(0.0),
+                                ));
                                sample_index = sample_index.wrapping_add(2);
                            }

@@ -458,7 +472,7 @@ fn init_sound(
                    }
                } else {
                    for v in buffer {
-                        *v = snd.call(&mut store, (sample_index,)).unwrap_or(0.0);
+                        *v = clamp_sample(snd.call(&mut store, (sample_index,)).unwrap_or(0.0));
                        sample_index = sample_index.wrapping_add(1);
                    }
                }
--- a/src/run_web.rs
+++ b/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"
-                    .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));
+                let server_future = warp::serve(html.or(cart).or(events)).bind(server_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);
        }
--- a/test/start_fn.cwa
+++ b/test/start_fn.cwa
@@ -0,0 +1,5 @@
+include "../examples/include/microw8-api.cwa"
+
+export fn start() {
+	printChar('Test');
+}
--- a/test/text_modes.cwa
+++ b/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)
+}
--- a/todo.txt
+++ b/todo.txt
@@ -0,0 +1 @@
+* add support for 16bit sound (not just float)
--- a/uw8-tool/src/base_module.rs
+++ b/uw8-tool/src/base_module.rs
@@ -167,6 +167,7 @@ impl BaseModule {
        add_function(&mut functions, &type_map, "exp", &[F32], Some(F32));

        add_function(&mut functions, &type_map, "playNote", &[I32, I32], None);
+        add_function(&mut functions, &type_map, "sndGes", &[I32], Some(F32));

        for i in functions.len()..64 {
            add_function(
--- a/uw8-tool/src/pack.rs
+++ b/uw8-tool/src/pack.rs
@@ -220,6 +220,11 @@ impl<'a> ParsedModule<'a> {
                    validate_table_section(reader)?;
                    table_section = Some(Section::new(range, ()));
                }
+                Payload::MemorySection(reader) => {
+                    if reader.get_count() != 0 {
+                        bail!("Found non-empty MemorySection. Memory has to be imported!");
+                    }
+                }
                Payload::ElementSection(mut reader) => {
                    let mut elements = Vec::with_capacity(reader.get_count() as usize);
                    for _ in 0..reader.get_count() {
--- a/uw8-window/src/lib.rs
+++ b/uw8-window/src/lib.rs
@@ -4,31 +4,64 @@ use std::time::Instant;
 mod cpu;
 mod gpu;

-pub struct Window(Box<dyn WindowImpl>);
+pub struct Window {
+    inner: Box<dyn WindowImpl>,
+    fps_counter: Option<FpsCounter>,
+}
+
+struct FpsCounter {
+    start: Instant,
+    num_frames: u32,
+}

 impl Window {
    pub fn new(config: WindowConfig) -> Result<Window> {
+        let fps_counter = if config.fps_counter {
+            Some(FpsCounter {
+                start: Instant::now(),
+                num_frames: 0,
+            })
+        } else {
+            None
+        };
        if config.enable_gpu {
            match gpu::Window::new(config) {
-                Ok(window) => return Ok(Window(Box::new(window))),
+                Ok(window) => {
+                    return Ok(Window {
+                        inner: Box::new(window),
+                        fps_counter,
+                    })
+                }
                Err(err) => eprintln!(
                    "Failed to create gpu window: {}\nFalling back tp cpu window",
                    err
                ),
            }
        }
-        cpu::Window::new().map(|window| Window(Box::new(window)))
+        cpu::Window::new().map(|window| Window {
+            inner: Box::new(window),
+            fps_counter,
+        })
    }

    pub fn begin_frame(&mut self) -> Input {
-        self.0.begin_frame()
+        self.inner.begin_frame()
    }
    pub fn end_frame(&mut self, framebuffer: &[u8], palette: &[u8], next_frame: Instant) {
-        self.0.end_frame(framebuffer, palette, next_frame)
+        self.inner.end_frame(framebuffer, palette, next_frame);
+        if let Some(ref mut fps_counter) = self.fps_counter {
+            fps_counter.num_frames += 1;
+            let elapsed = fps_counter.start.elapsed().as_secs_f32();
+            if elapsed >= 1.0 {
+                println!("fps: {:.1}", fps_counter.num_frames as f32 / elapsed);
+                fps_counter.num_frames = 0;
+                fps_counter.start = Instant::now();
+            }
+        }
    }

    pub fn is_open(&self) -> bool {
-        self.0.is_open()
+        self.inner.is_open()
    }
 }

@@ -37,6 +70,7 @@ pub struct WindowConfig {
    enable_gpu: bool,
    filter: u32,
    fullscreen: bool,
+    fps_counter: bool,
 }

 impl Default for WindowConfig {
@@ -45,6 +79,7 @@ impl Default for WindowConfig {
            enable_gpu: true,
            filter: 5,
            fullscreen: false,
+            fps_counter: false,
        }
    }
 }
@@ -66,6 +101,7 @@ impl WindowConfig {
            }
        }
        self.fullscreen = args.contains("--fullscreen");
+        self.fps_counter = args.contains("--fps");
    }
 }

--- a/web/src/audiolet.js
+++ b/web/src/audiolet.js
@@ -63,7 +63,7 @@ class APU extends AudioWorkletProcessor {

        this.memory = memory;

-        this.snd = instance.exports.snd || platform_instance.exports.gesSnd;
+        this.snd = instance.exports.snd || platform_instance.exports.sndGes;

        this.port.postMessage(2);
    }
--- a/web/src/microw8.js
+++ b/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;
Author	SHA1	Message	Date
Dennis Ranke	a20e569723	clamp snd samples into valid -1.0..1.0 range	2024-06-09 00:46:16 +02:00
Dennis Ranke	8a473cc9b9	call an exported start function if it exists	2024-06-09 00:35:25 +02:00
Dennis Ranke	4a4beded11	only open browser once cart has been compiled succesfully	2024-06-09 00:35:13 +02:00
Dennis Ranke	9d629be747	fix control codes 4-6 as parameters to other control codes	2024-06-09 00:33:49 +02:00
Dennis Ranke	daf2a02cd8	fix sndGes name & add missing auto-import	2023-01-23 23:21:45 +01:00
Dennis Ranke	8d5374a867	add support to ignore empty memory section when packing	2022-11-03 23:27:53 +01:00
Dennis Ranke	142b6a4c15	fix typo in sample rate selection	2022-10-30 00:07:58 +02:00
Dennis Ranke	877fceb089	add --fps parameter to output fps	2022-07-25 23:44:06 +02:00
Dennis Ranke	f0ba0f2b99	update site with 0.2.1 release	2022-07-25 08:46:23 +02:00
				`@@ -0,0 +1 @@`
				`* add support for 16bit sound (not just float)`