playback speed tweaks

script/viewer/Analyse/AnalyseMenu.tsx

@@ -24,7 +24,7 @@ export function AnalyseMenu(props: AnalyseMenuProps) {
 
     return (<div class="analyse-menu">
         <Show when={props.speed != 1}>
-            <div class="speed">Playing at <span>{props.speed}x</span></div>
+            <div class="speed">Playing at <span>{props.speed}×</span></div>
         </Show>
         <Show when={props.inShared}>
             <div class="share shared">

script/viewer/Analyse/Analyser.tsx

@@ -80,7 +80,7 @@ export const Analyser = (props: AnalyseProps) => {
                         togglePlay();
                         e.preventDefault();
                     }
-                    if (e.key === '=') {
+                    if (e.key === '+') {
                         fixPlayOffset();
                         setSpeed(speed() + 0.25);
                         e.preventDefault();

script/viewer/Analyse/Help.tsx

@@ -28,6 +28,18 @@ export function Help(props: HelpProps) {
                     <td><kbd>⇐</kbd></td>
                     <td>0.5s Backwards</td>
                 </tr>
+                <tr>
+                    <td><kbd>+</kbd></td>
+                    <td>Increase playback speed</td>
+                </tr>
+                <tr>
+                    <td><kbd>-</kbd></td>
+                    <td>Decrease playback speed</td>
+                </tr>
+                <tr>
+                    <td><kbd>0</kbd></td>
+                    <td>Reset playback speed</td>
+                </tr>
                 <tr>
                     <td><kbd>Ctrl</kbd> + <kbd>G</kbd></td>
                     <td>Goto Tick</td>