VIC Dual example; platforms in menu

index.html

@@ -187,17 +187,18 @@ canvas.pixelated {
       <li><a class="dropdown-item" href="#" id="item_share_file">Share File as GitHub Gist...</a></li>
       <li><a class="dropdown-item" href="#" id="item_reset_file">Revert to Original...</a></li>
       <li><a class="dropdown-item" href="#" id="item_download_rom">Download ROM Image...</a></li>
-      <!--
       <li class="dropdown dropdown-submenu">
           <a tabindex="-1" href="#">Platform</a>
           <ul class="dropdown-menu">
             <li><a class="dropdown-item" href="?platform=vcs" id="item_platform_vcs">Atari VCS</a></li>
-            <li><a class="dropdown-item" href="?platform=apple2" id="item_platform_apple2">Apple ][</a></li>
+            <!--<li><a class="dropdown-item" href="?platform=apple2" id="item_platform_apple2">Apple ][</a></li>-->
-            <li><a class="dropdown-item" href="?platform=vector" id="item_platform_atarivec">Asteroids</a></li>
+            <li><a class="dropdown-item" href="?platform=mw8080bw" id="item_platform_mw8080bw">Midway 8080 B&amp;W</a></li>
-            <li><a class="dropdown-item" href="?platform=mw8080bw" id="item_platform_mw8080bw">Midway 8080 B/W</a></li>
+            <li><a class="dropdown-item" href="?platform=vicdual" id="item_platform_vicdual">VIC Dual</a></li>
+            <li><a class="dropdown-item" href="?platform=galaxian" id="item_platform_galaxian">Galaxian/Scramble</a></li>
+            <li><a class="dropdown-item" href="?platform=vector-z80color" id="item_platform_vector_z80color">Atari Color Vector (Z80)</a></li>
+            <li><a class="dropdown-item" href="?platform=williams" id="item_platform_williams">Williams (Z80)</a></li>
           </ul>
       </li>
-      -->
       <li class="dropdown dropdown-submenu">
         <a tabindex="-1" href="#">Debug</a>
         <ul class="dropdown-menu">

src/emu.js

@@ -561,6 +561,50 @@ var POKEYDeviceChannel = function() {
   }
 }
 
+////// CPU sound
+
+var CPUSoundChannel = function(cpu, clockRate) {
+  var sampleRate;
+  var buffer;
+  var lastbufpos=0;
+  var curSample=0;
+  var clocksPerSample;
+
+  this.setBufferLength = function (length) {
+    buffer = new Int32Array(length);
+  };
+
+  this.getBuffer = function () {
+    return buffer;
+  };
+
+  this.setSampleRate = function (rate) {
+    sampleRate = rate;
+  };
+
+  this.getSetDACFunction = function() {
+    return function(a,v) {
+      var bufpos = Math.floor(cpu.getTstates() / clocksPerSample);
+      while (lastbufpos < bufpos)
+        buffer[lastbufpos++] = curSample;
+      lastbufpos = bufpos;
+      curSample = v;
+    };
+  };
+
+  this.generate = function (length) {
+    clocksPerSample = clockRate * 1.0 / sampleRate;
+    var clocks = Math.round(length * clocksPerSample);
+    if (cpu.getTstates && cpu.runFrame) {
+      cpu.setTstates(0);
+      lastbufpos = 0;
+      cpu.runFrame(cpu.getTstates() + totalClocks);
+      while (lastbufpos < length)
+        buffer[lastbufpos++] = curSample;
+    }
+  };
+}
+
 ////// 6502
 
 var Base6502Platform = function() {

src/platform/vicdual.js

@@ -1,5 +1,7 @@
 "use strict";
+
 var VICDUAL_PRESETS = [
+  {id:'vic1.c', name:'Graphics Test'},
 ];
 
 var VicDualPlatform = function(mainElement) {

src/ui.js

@@ -179,7 +179,8 @@ function loadFile(fileid, filename, index) {
   if (text) {
     loadCode(text, fileid);
   } else if (!text && index >= 0) {
-    filename += ".a";
+    if (filename.indexOf('.') <= 0)
+      filename += ".a";
     console.log("Loading preset", fileid, filename, index, PRESETS[index]);
     if (text.length == 0) {
       console.log("Fetching", filename);
@@ -292,7 +293,7 @@ function populateExamples(sel) {
   sel.append($("<option />").text("--------- Chapters ---------").attr('disabled',true));
   for (var i=0; i<PRESETS.length; i++) {
     var preset = PRESETS[i];
-    var name = preset.chapter + ". " + preset.name;
+    var name = preset.chapter ? (preset.chapter + ". " + preset.name) : preset.name;
     sel.append($("<option />").val(preset.id).text(name).attr('selected',preset.id==current_preset_id));
   }
 }

tools/parsebdf8.py

@@ -5,6 +5,8 @@ import sys,string
 height = 8
 lochar = 0x20 #48
 hichar = 0x5e #57
+lochar = 0
+hichar = 255
 
 chars = {}
 inbitmap = 0