speed control for verilog
This commit is contained in:
Steven Hugg
parent
73bb496511
commit
f9158b24eb
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@ -79,6 +79,11 @@ ga('send', 'pageview');
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<button id="dbg_stepout" type="submit" title="Step Out of Subroutine"><span class="glyphicon glyphicon-hand-up" aria-hidden="true"></span></button>
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<button id="dbg_stepback" type="submit" title="Step Backwards"><span class="glyphicon glyphicon-step-backward" aria-hidden="true"></span></button>
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</span>
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<span class="btn_group view_group" id="speed_bar" style="display:none">
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<button id="dbg_slower" type="submit" title="Slower"><span class="glyphicon glyphicon-backward" aria-hidden="true"></span></button>
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<span id="fps_label">60.00</span> fps
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<button id="dbg_faster" type="submit" title="Faster"><span class="glyphicon glyphicon-forward" aria-hidden="true"></span></button>
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</span>
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<span class="btn_group view_group" id="extra_bar">
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<button id="dbg_timing" type="submit" title="See Timing" style="display:none"><span class="glyphicon glyphicon-time" aria-hidden="true"></span></button>
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<button id="dbg_disasm" type="submit" title="Show Disassembly" style="display:none"><span class="glyphicon glyphicon-list" aria-hidden="true"></span></button>
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@ -163,7 +168,6 @@ ga('send', 'pageview');
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</div>
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</div>
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<script src="jquery/jquery-2.2.3.min.js"></script>
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<link rel="stylesheet" href="bootstrap/css/bootstrap.min.css">
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@ -54,8 +54,8 @@ var RasterVideo = function(mainElement, width, height, options) {
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arraybuf = new ArrayBuffer(imageData.data.length);
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buf8 = new Uint8Array(arraybuf); // TODO: Uint8ClampedArray
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datau32 = new Uint32Array(arraybuf);
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*/
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buf8 = imageData.data;
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*/
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datau32 = new Uint32Array(imageData.data.buffer);
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}
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@ -213,8 +213,9 @@ var AnimationTimer = function(frequencyHz, callback) {
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var intervalMsec = 1000.0 / frequencyHz;
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var running;
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var lastts = 0;
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var useReqAnimFrame = window.requestAnimationFrame ? true : false;
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var useReqAnimFrame = window.requestAnimationFrame ? (frequencyHz>40) : false;
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var nframes, startts; // for FPS calc
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this.frameRate = frequencyHz;
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function scheduleFrame() {
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if (useReqAnimFrame)
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@ -222,7 +223,7 @@ var AnimationTimer = function(frequencyHz, callback) {
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else
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setTimeout(nextFrame, intervalMsec);
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}
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var nextFrame = function(ts) {
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function nextFrame(ts) {
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if (running) {
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scheduleFrame();
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}
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@ -187,12 +187,11 @@ var VerilogPlatform = function(mainElement, options) {
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var video, audio;
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var useAudio = false;
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var videoWidth = 256+20;
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var videoHeight = 240+20;
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var videoHeight = 240+16;
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var maxVideoLines = 262+40; // vertical hold
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var idata, timer;
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var idata, timer, timerCallback;
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var gen;
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var frameRate = 60;
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var AUDIO_FREQ = (256+23+7+23)*262*60; // 4857480 Hz
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var cyclesPerFrame = (256+23+7+23)*262; // 4857480/60 Hz
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var current_output;
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var paddle_x = 0;
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var paddle_y = 0;
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@ -202,12 +201,19 @@ var VerilogPlatform = function(mainElement, options) {
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var scope_time_x = 0; // scope cursor
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var scope_x_offset = 0;
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var scope_y_offset = 0;
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var scope_index_offset = 0;
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var scope_max_y = 0;
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var scope_y_top = 0;
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var scopeWidth = videoWidth;
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var scopeHeight = videoHeight;
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var scopeImageData;
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var sdata; // scope data
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var yposlist = [];
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var lasty = [];
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var lastval = [];
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var ports_and_signals;
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var trace_ports;
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var trace_signals;
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var trace_buffer;
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var trace_index;
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var mouse_pressed;
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@ -249,8 +255,8 @@ var VerilogPlatform = function(mainElement, options) {
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if (inspect_obj && inspect_sym) {
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var COLOR_BIT_OFF = 0xffff6666;
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var COLOR_BIT_ON = 0xffff9999;
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var i = 0;
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for (var y=0; y<videoHeight; y++) {
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var i = videoWidth;
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for (var y=0; y<videoHeight-2; y++) {
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for (var x=0; x<videoWidth; x++) {
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var val = inspect_data[i];
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idata[i++] = (val & 1) ? COLOR_BIT_ON : COLOR_BIT_OFF;
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@ -270,55 +276,114 @@ var VerilogPlatform = function(mainElement, options) {
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}
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}
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var framex=videoWidth-10;
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var framey=0;
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var frameidx=videoWidth-10;
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var framehsync=false;
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var framevsync=false;
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function updateVideoFrameCycles(ncycles, sync, trace) {
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ncycles |= 0;
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var inspect = inspect_obj && inspect_sym;
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while (ncycles--) {
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if (trace) snapshotTrace(true);
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vidtick();
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if (framex++ < videoWidth) {
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if (framey < videoHeight) {
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if (inspect) {
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inspect_data[frameidx] = inspect_obj[inspect_sym];
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}
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idata[frameidx] = RGBLOOKUP[gen.rgb & 15];
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frameidx++;
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}
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} else if (!framehsync && gen.hsync) {
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framehsync = true;
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} else if ((framehsync && !gen.hsync) || framex > videoWidth*2) {
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framehsync = false;
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framex = 0;
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framey++;
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gen.hpaddle = framey > paddle_x ? 1 : 0;
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gen.vpaddle = framey > paddle_y ? 1 : 0;
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}
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if (framey > maxVideoLines || gen.vsync) {
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var wasvsync = framevsync;
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framevsync = true;
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framey = 0;
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framex = videoWidth-10;
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frameidx = framex;
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if (sync && !wasvsync) return; // exit when vsync starts
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} else {
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framevsync = false;
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}
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}
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}
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function updateVideoFrame() {
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useAudio = (audio != null);
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debugCond = self.getDebugCallback();
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var i;
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// erase top line & start i on offset
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for (i=0; i<videoWidth-10; i++) {
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idata[i] = 0;
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}
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var trace = inspect_obj && inspect_sym;
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gen.switches_p1 = switches[0];
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gen.switches_p2 = switches[1];
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gen.switches_gen = switches[2];
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var totalz = 0;
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for (var y=0; y<videoHeight; y++) {
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gen.hpaddle = y > paddle_x ? 1 : 0;
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gen.vpaddle = y > paddle_y ? 1 : 0;
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for (var x=0; x<videoWidth; x++) {
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vidtick();
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if (trace) {
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inspect_data[i] = inspect_obj[inspect_sym];
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}
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idata[i++] = RGBLOOKUP[gen.rgb & 15];
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}
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var z=0;
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while (!gen.hsync && z++<videoWidth) vidtick();
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while (gen.hsync && z++<videoWidth) vidtick();
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totalz += z;
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var fps = self.getFrameRate();
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// darken the previous frame?
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if (fps < 45) {
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var mask = fps > 10 ? 0xcfffffff : 0x7fdddddd;
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for (var i=0; i<idata.length; i++)
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idata[i] &= mask;
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}
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var maxz = videoWidth*maxVideoLines;
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while (!gen.vsync && totalz++ < maxz) vidtick();
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while (gen.vsync && totalz++ < maxz) vidtick();
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// paint into frame, synched with vsync if full speed
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var sync = fps > 45;
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var trace = fps < 0.1;
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updateVideoFrameCycles(cyclesPerFrame * fps/60 + 1, sync, trace);
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//if (trace) displayTraceBuffer();
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updateInspectionFrame();
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video.updateFrame();
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if (trace) {
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video.getContext().fillStyle = "black";
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video.getContext().fillRect(0, 0, videoWidth, videoHeight/3);
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video.updateFrame(0, -framey+videoHeight/6, 0, 0, videoWidth, videoHeight);
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scope_index_offset = (trace_index - trace_signals.length*scopeWidth + trace_buffer.length) % trace_buffer.length;
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scope_x_offset = 0;
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updateScopeOverlay(trace_signals);
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var k = 0.1;
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scope_y_top = k*videoHeight/3 + scope_y_top*(1-k);
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} else {
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video.updateFrame();
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scope_index_offset = 0;
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scope_y_top = videoHeight;
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}
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updateInspectionPostFrame();
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self.restartDebugState();
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gen.__unreset();
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}
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function displayTraceBuffer() {
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var skip = trace_signals.length;
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var src = trace_index;
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for (var dest=0; dest<idata.length; dest+=videoWidth) {
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for (var i=0; i<skip; i++) {
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if (--src < 0) src = trace_buffer.length-1;
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var v = trace_buffer[src];
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idata[dest+i] = RGBLOOKUP[v & 15]; // TODO?
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}
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}
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}
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function snapshotTrace(signals) {
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var arr = signals ? trace_signals : trace_ports;
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for (var i=0; i<arr.length; i++) {
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var v = arr[i];
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var z = gen[v.name];
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trace_buffer[trace_index++] = z;
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if (trace_index >= trace_buffer.length) trace_index = 0;
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}
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}
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function fillTraceBuffer(count) {
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var arr = ports_and_signals;
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var max_index = Math.min(trace_buffer.length, trace_index + count);
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var max_index = Math.min(trace_buffer.length - trace_ports.length, trace_index + count);
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while (trace_index < max_index) {
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gen.clk ^= 1;
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gen.eval();
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for (var i=0; i<arr.length; i++) {
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var v = arr[i];
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var z = gen[v.name];
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trace_buffer[trace_index++] = z;
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}
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snapshotTrace(false);
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dirty = true;
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}
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gen.__unreset();
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@ -343,49 +408,59 @@ var VerilogPlatform = function(mainElement, options) {
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}
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function updateScopeFrame() {
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var arr = ports_and_signals;
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if (!arr) return;
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fillTraceBuffer(Math.floor(videoWidth/4) * arr.length);
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fillTraceBuffer(Math.floor(videoWidth/4) * trace_ports.length);
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if (!dirty) return;
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dirty = false;
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scope_y_top = 0;
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updateScopeOverlay(trace_ports);
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}
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function updateScopeOverlay(arr) {
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if (!sdata) {
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scopeImageData = video.getContext().createImageData(scopeWidth,scopeHeight);
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sdata = new Uint32Array(scopeImageData.data.buffer);
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}
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var COLOR_BLACK = 0xff000000;
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var COLOR_SIGNAL = 0xff22ff22;
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var COLOR_BORDER = 0xff662222;
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var COLOR_TRANS_SIGNAL = 0xff226622;
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var COLOR_BLIP_SIGNAL = 0xff226622;
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idata.fill(COLOR_BLACK);
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var jstart = scope_x_offset * arr.length;
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sdata.fill(0xff000000);
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var jstart = scope_x_offset * arr.length + scope_index_offset;
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var j = jstart;
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for (var x=0; x<videoWidth; x++) {
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for (var x=0; x<scopeWidth; x++) {
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var yb = 8;
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var y1 = scope_y_offset;
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for (var i=0; i<arr.length; i++) {
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var v = arr[i];
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var lo = 0; // TODO? v.ofs?
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var hi = v.len ? ((2 << v.len)-1) : 1;
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var hi = ((1 << v.len)-1);
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var ys = hi>1 ? v.len*2+8 : 8;
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var y2 = y1+ys;
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var z = trace_buffer[j++];
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if (j >= trace_buffer.length) j = 0;
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var y = Math.round(y2 - ys*((z-lo)/hi));
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yposlist[i] = y2;
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yposlist[i] = y2 + scope_y_top;
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var ly = lasty[i];
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if (x > 0 && ly != y) {
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var dir = ly < y ? 1 : -1;
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while ((ly += dir) != y && ly >= y1 && ly <= y2) {
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idata[x + ly*videoWidth] = COLOR_TRANS_SIGNAL;
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sdata[x + ly * scopeWidth] = COLOR_TRANS_SIGNAL;
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}
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}
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idata[x + y*videoWidth] = lastval[i]==z ? COLOR_SIGNAL : COLOR_BLIP_SIGNAL;
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sdata[x + y * scopeWidth] = lastval[i]==z ? COLOR_SIGNAL : COLOR_BLIP_SIGNAL;
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lasty[i] = y;
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lastval[i] = z;
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y1 += ys+yb;
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}
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}
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scope_max_y = y1 - scope_y_offset;
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video.updateFrame();
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video.getContext().putImageData(scopeImageData, 0, scope_y_top);
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// draw labels
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var ctx = video.getContext();
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for (var i=0; i<arr.length; i++) {
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var yp = yposlist[i];
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if (yp < 20 || yp > videoHeight) continue;
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var v = arr[i];
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var name = v.name;
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ctx.fillStyle = name == inspect_sym ? "yellow" : "white";
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@ -395,8 +470,8 @@ var VerilogPlatform = function(mainElement, options) {
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shadowText(ctx, name, 1, yposlist[i]);
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if (scope_time_x > 0) {
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ctx.textAlign = 'right';
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var value = arr.length * scope_time_x + i + jstart;
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shadowText(ctx, ""+trace_buffer[value], videoWidth-1, yposlist[i]);
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var value = (arr.length * scope_time_x + i + jstart) % trace_buffer.length;
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shadowText(ctx, ""+trace_buffer[value], videoWidth-1, yp);
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}
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}
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// draw scope line & label
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@ -458,7 +533,7 @@ var VerilogPlatform = function(mainElement, options) {
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}
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});
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idata = video.getFrameData();
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timer = new AnimationTimer(frameRate, function() {
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timerCallback = function() {
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if (!self.isRunning())
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return;
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gen.switches = switches[0];
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@ -466,8 +541,9 @@ var VerilogPlatform = function(mainElement, options) {
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updateVideoFrame();
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else
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updateScopeFrame();
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});
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};
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trace_buffer = new Uint32Array(0x10000);
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self.setFrameRate(60);
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}
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this.printErrorCodeContext = function(e, code) {
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@ -496,17 +572,23 @@ var VerilogPlatform = function(mainElement, options) {
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gen = new mod(base);
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gen.__proto__ = base;
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current_output = output;
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ports_and_signals = current_output.ports;
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trace_ports = current_output.ports;
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trace_signals = current_output.ports.concat(current_output.signals);
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trace_index = 0;
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// power on module
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this.poweron();
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restartAudio();
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}
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function restartAudio() {
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// stop/start audio
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if (audio && gen.spkr === undefined) {
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var hasAudio = gen && gen.spkr !== undefined && frameRate > 1;
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if (audio && !hasAudio) {
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audio.stop();
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audio = null;
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} else if (!audio && gen.spkr !== undefined) {
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audio = new SampleAudio(AUDIO_FREQ);
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if (this.isRunning())
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} else if (!audio && hasAudio) {
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audio = new SampleAudio(cyclesPerFrame * self.getFrameRate());
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if (self.isRunning())
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audio.start();
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}
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}
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@ -523,6 +605,25 @@ var VerilogPlatform = function(mainElement, options) {
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if (audio) audio.start();
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}
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var frameRate = 0;
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this.setFrameRate = function(rateHz) {
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frameRate = rateHz;
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var fps = Math.min(60, rateHz*cyclesPerFrame);
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if (!timer || timer.frameRate != fps) {
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var running = this.isRunning();
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if (timer) timer.stop();
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timer = new AnimationTimer(fps, timerCallback);
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if (running) timer.start();
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}
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if (audio) {
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audio.stop();
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audio = null;
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}
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restartAudio();
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}
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this.getFrameRate = function() { return frameRate; }
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this.poweron = function() {
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gen._ctor_var_reset();
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this.reset();
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25
src/ui.js
25
src/ui.js
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@ -1232,6 +1232,26 @@ function _recordVideo() {
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f();
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}
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function setFrameRateUI(fps) {
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platform.setFrameRate(fps);
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if (fps > 0.01)
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$("#fps_label").text(fps.toFixed(2));
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else
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$("#fps_label").text("1/"+Math.round(1/fps));
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}
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function _slowerFrameRate() {
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var fps = platform.getFrameRate();
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fps = fps/2;
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if (fps > 0.00001) setFrameRateUI(fps);
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}
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function _fasterFrameRate() {
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var fps = platform.getFrameRate();
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fps = Math.min(60, fps*2);
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setFrameRateUI(fps);
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}
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function setupDebugControls(){
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$("#dbg_reset").click(resetAndDebug);
|
||||
$("#dbg_pause").click(pause);
|
||||
|
|
@ -1281,6 +1301,11 @@ function setupDebugControls(){
|
|||
$("#item_debug_expr").hide();
|
||||
$("#item_download_rom").click(_downloadROMImage);
|
||||
$("#item_record_video").click(_recordVideo);
|
||||
if (platform.setFrameRate && platform.getFrameRate) {
|
||||
$("#speed_bar").show();
|
||||
$("#dbg_slower").click(_slowerFrameRate);
|
||||
$("#dbg_faster").click(_fasterFrameRate);
|
||||
}
|
||||
updateDebugWindows();
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -8,7 +8,7 @@ function parseDecls(text, arr, name, bin, bout) {
|
|||
arr.push({
|
||||
wordlen:parseInt(m[1]),
|
||||
name:m[2],
|
||||
len:parseInt(m[3]),
|
||||
len:parseInt(m[3])+1,
|
||||
ofs:parseInt(m[4]),
|
||||
});
|
||||
}
|
||||
|
|
@ -19,7 +19,7 @@ function parseDecls(text, arr, name, bin, bout) {
|
|||
wordlen:parseInt(m[1]),
|
||||
name:m[2],
|
||||
arrdim:[parseInt(m[3])],
|
||||
len:parseInt(m[4]),
|
||||
len:parseInt(m[4])+1,
|
||||
ofs:parseInt(m[5]),
|
||||
});
|
||||
}
|
||||
|
|
@ -30,7 +30,7 @@ function parseDecls(text, arr, name, bin, bout) {
|
|||
wordlen:parseInt(m[1]),
|
||||
name:m[2],
|
||||
arrdim:[parseInt(m[3]), parseInt(m[4])],
|
||||
len:parseInt(m[5]),
|
||||
len:parseInt(m[5])+1,
|
||||
ofs:parseInt(m[6]),
|
||||
});
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue