From 180ef91a729d6f4407e1b1632a5e938dbb61735d Mon Sep 17 00:00:00 2001
From: Jeff Parsons <Jeff@pcjs.org>
Date: Mon, 2 May 2016 17:28:13 -0700
Subject: [PATCH] Final tweaks to screen rotation (for now)

---
 devices/pc8080/machine/invaders/machine.xml |   2 +-
 docs/pcjs/examples/components.xsl           |  18 +-
 modules/pc8080/lib/video.js                 |  64 ++--
 modules/shared/templates/components.xsl     |  12 +-
 versions/pc8080/1.22.0/components.xsl       |  18 +-
 versions/pc8080/1.22.0/pc8080-dbg.js        | 368 ++++++++++----------
 versions/pc8080/1.22.0/pc8080.js            | 242 ++++++-------
 7 files changed, 389 insertions(+), 335 deletions(-)

diff --git a/devices/pc8080/machine/invaders/machine.xml b/devices/pc8080/machine/invaders/machine.xml
index 469e1950f..a607bc9fb 100644
--- a/devices/pc8080/machine/invaders/machine.xml
+++ b/devices/pc8080/machine/invaders/machine.xml
@@ -9,7 +9,7 @@
 	<rom id="romF" addr="0x1000" size="0x0800" file="/devices/pc8080/rom/invaders/INVADERS-F.json"/>
 	<rom id="romE" addr="0x1800" size="0x0800" file="/devices/pc8080/rom/invaders/INVADERS-E.json"/>
 	<ram id="ram"  addr="0x2000" size="0x0400"/>
-	<video id="video" screenWidth="896" screenHeight="1024" screenRotation="90" bufferAddr="0x2400" bufferCols="256" bufferRows="224" bufferBits="1" bufferLeft="0" interruptRate="120" width="40%" pos="left" padding="8px">
+	<video id="video" screenWidth="896" screenHeight="1024" screenRotate="90" bufferAddr="0x2400" bufferCols="256" bufferRows="224" bufferBits="1" bufferLeft="0" interruptRate="120" width="40%" pos="left" padding="8px">
 		<menu>
 			<title>224x256 Screen (Rotated)</title>
 		</menu>
diff --git a/docs/pcjs/examples/components.xsl b/docs/pcjs/examples/components.xsl
index 2e591244c..b31a83ba9 100644
--- a/docs/pcjs/examples/components.xsl
+++ b/docs/pcjs/examples/components.xsl
@@ -989,9 +989,9 @@
 				<xsl:otherwise>black</xsl:otherwise>
 			</xsl:choose>
 		</xsl:variable>
-		<xsl:variable name="screenRotation">
+		<xsl:variable name="screenRotate">
 			<xsl:choose>
-				<xsl:when test="@screenRotation"><xsl:value-of select="@screenRotation"/></xsl:when>
+				<xsl:when test="@screenRotate"><xsl:value-of select="@screenRotate"/></xsl:when>
 				<xsl:otherwise>0</xsl:otherwise>
 			</xsl:choose>
 		</xsl:variable>
@@ -1016,6 +1016,18 @@
 		<xsl:variable name="bufferBits">
 			<xsl:choose>
 				<xsl:when test="@bufferBits"><xsl:value-of select="@bufferBits"/></xsl:when>
+				<xsl:otherwise>1</xsl:otherwise>
+			</xsl:choose>
+		</xsl:variable>
+		<xsl:variable name="bufferLeft">
+			<xsl:choose>
+				<xsl:when test="@bufferLeft"><xsl:value-of select="@bufferLeft"/></xsl:when>
+				<xsl:otherwise>0</xsl:otherwise>
+			</xsl:choose>
+		</xsl:variable>
+		<xsl:variable name="bufferRotate">
+			<xsl:choose>
+				<xsl:when test="@bufferRotate"><xsl:value-of select="@bufferRotate"/></xsl:when>
 				<xsl:otherwise>0</xsl:otherwise>
 			</xsl:choose>
 		</xsl:variable>
@@ -1095,7 +1107,7 @@
 		<xsl:call-template name="component">
 			<xsl:with-param name="machine" select="$machine"/>
 			<xsl:with-param name="class">video</xsl:with-param>
-			<xsl:with-param name="parms">,model:'<xsl:value-of select="$model"/>',mode:<xsl:value-of select="$mode"/>,screenWidth:<xsl:value-of select="$screenWidth"/>,screenHeight:<xsl:value-of select="$screenHeight"/>,screenColor:'<xsl:value-of select="$screenColor"/>',screenRotation:<xsl:value-of select="$screenRotation"/>,bufferAddr:<xsl:value-of select="$bufferAddr"/>,bufferCols:<xsl:value-of select="$bufferCols"/>,bufferRows:<xsl:value-of select="$bufferRows"/>,bufferBits:<xsl:value-of select="$bufferBits"/>,memory:<xsl:value-of select="$memory"/>,switches:'<xsl:value-of select="$switches"/>',scale:<xsl:value-of select="$scale"/>,charCols:<xsl:value-of select="$charCols"/>,charRows:<xsl:value-of select="$charRows"/>,fontROM:'<xsl:value-of select="$fontROM"/>',touchScreen:'<xsl:value-of select="$touchScreen"/>',autoLock:<xsl:value-of select="$autoLock"/>,aspectRatio:<xsl:value-of select="$aspectRatio"/>,interruptRate:<xsl:value-of select="$interruptRate"/>,refreshRate:<xsl:value-of select="$refreshRate"/></xsl:with-param>
+			<xsl:with-param name="parms">,model:'<xsl:value-of select="$model"/>',mode:<xsl:value-of select="$mode"/>,screenWidth:<xsl:value-of select="$screenWidth"/>,screenHeight:<xsl:value-of select="$screenHeight"/>,screenColor:'<xsl:value-of select="$screenColor"/>',screenRotate:<xsl:value-of select="$screenRotate"/>,bufferAddr:<xsl:value-of select="$bufferAddr"/>,bufferCols:<xsl:value-of select="$bufferCols"/>,bufferRows:<xsl:value-of select="$bufferRows"/>,bufferBits:<xsl:value-of select="$bufferBits"/>,bufferLeft:<xsl:value-of select="$bufferLeft"/>,bufferRotate:<xsl:value-of select="$bufferRotate"/>,memory:<xsl:value-of select="$memory"/>,switches:'<xsl:value-of select="$switches"/>',scale:<xsl:value-of select="$scale"/>,charCols:<xsl:value-of select="$charCols"/>,charRows:<xsl:value-of select="$charRows"/>,fontROM:'<xsl:value-of select="$fontROM"/>',touchScreen:'<xsl:value-of select="$touchScreen"/>',autoLock:<xsl:value-of select="$autoLock"/>,aspectRatio:<xsl:value-of select="$aspectRatio"/>,interruptRate:<xsl:value-of select="$interruptRate"/>,refreshRate:<xsl:value-of select="$refreshRate"/></xsl:with-param>
 		</xsl:call-template>
 	</xsl:template>
 
diff --git a/modules/pc8080/lib/video.js b/modules/pc8080/lib/video.js
index c22ce6bfe..7467d4c21 100644
--- a/modules/pc8080/lib/video.js
+++ b/modules/pc8080/lib/video.js
@@ -50,13 +50,14 @@ if (NODE) {
  *      screenWidth: width of the screen canvas, in pixels
  *      screenHeight: height of the screen canvas, in pixels
  *      screenColor: background color of the screen canvas (default is black)
- *      screenRotation: the amount of counter-clockwise rotation required (eg, 90)
+ *      screenRotate: the amount of counter-clockwise screen rotation required (eg, 90)
  *      aspectRatio (eg, 1.33)
  *      bufferAddr: the starting address of the frame buffer (eg, 0x2400)
  *      bufferCols: the width of a single frame buffer row, in pixels (eg, 256)
  *      bufferRows: the number of frame buffer rows (eg, 224)
- *      bufferBits: the number of bits per column (default is 1 if omitted)
- *      bufferLeft: the bit position of the left-most pixel in a byte (eg, 0)
+ *      bufferBits: the number of bits per column (default is 1)
+ *      bufferLeft: the bit position of the left-most pixel in a byte (default is 0; CGA uses 7)
+ *      bufferRotate: the amount of counter-clockwise buffer rotation required (eg, 90)
  *      interruptRate: normally the same as (or some multiple of) refreshRate (eg, 120)
  *      refreshRate: how many times updateScreen() should be performed per second (eg, 60)
  *
@@ -71,9 +72,10 @@ if (NODE) {
  * been redrawn), so we need an interrupt rate of 120Hz.  We pass the higher rate on to the CPU, so that
  * it will call updateScreen() more frequently, but we still limit our screen updates to every *other* call.
  *
- * TODO: Consider alternatives to screenRotation; it's expedient, but I'm not sure how efficient it is,
- * and it might be nice (especially for debugging) if we created our own rotated image buffer which we could
- * then blast directly to the screen canvas.
+ * bufferRotate is an alternative to screenRotate; you may set one or the other (but not both) to 90 to
+ * enable different approaches to 90-degree image rotation.  screenRotate uses canvas transformation methods
+ * (ie, translate(), rotate(), and scale()), while bufferRotate inverts the dimensions of the off-screen
+ * buffer and then relies on setPixel() to rotate the data into it.
  *
  * @constructor
  * @extends Component
@@ -95,6 +97,7 @@ function Video(parmsVideo, canvas, context, textarea, container)
     this.cyBuffer = parmsVideo['bufferRows'];
     this.nBitsPerPixel = parmsVideo['bufferBits'] || 1;
     this.iBitFirstPixel = parmsVideo['bufferLeft'] || 0;
+    this.rotateBuffer = parmsVideo['bufferRotate'];
 
     this.interruptRate = parmsVideo['interruptRate'];
     this.refreshRate = parmsVideo['refreshRate'] || 60;
@@ -104,7 +107,7 @@ function Video(parmsVideo, canvas, context, textarea, container)
     this.textareaScreen = textarea;
     this.inputScreen = textarea || canvas || null;
 
-    this.rotateScreen = parmsVideo['screenRotation'];
+    this.rotateScreen = parmsVideo['screenRotate'];
     if (this.rotateScreen == 90) {
         this.contextScreen.translate(0, this.cyScreen);
         this.contextScreen.rotate((-this.rotateScreen * Math.PI)/180);
@@ -116,10 +119,16 @@ function Video(parmsVideo, canvas, context, textarea, container)
     /*
      * Allocate off-screen buffers.
      */
-    this.imageBuffer = this.contextScreen.createImageData(this.cxBuffer, this.cyBuffer);
+    var cxBuffer = this.cxBuffer;
+    var cyBuffer = this.cyBuffer;
+    if (this.rotateBuffer) {
+        cxBuffer = this.cyBuffer;
+        cyBuffer = this.cxBuffer;
+    }
+    this.imageBuffer = this.contextScreen.createImageData(cxBuffer, cyBuffer);
     this.canvasBuffer = document.createElement("canvas");
-    this.canvasBuffer.width = this.cxBuffer;
-    this.canvasBuffer.height = this.cyBuffer;
+    this.canvasBuffer.width = cxBuffer;
+    this.canvasBuffer.height = cyBuffer;
     // this.canvasBuffer.style['image-rendering'] = "pixelated";
     this.contextBuffer = this.canvasBuffer.getContext("2d");
 }
@@ -207,21 +216,27 @@ Video.prototype.getColors = function()
 };
 
 /**
- * setPixel(imageData, x, y, rgb)
+ * setPixel(imageBuffer, x, y, rgb)
  *
  * @this {Video}
- * @param {Object} imageData
+ * @param {Object} imageBuffer
  * @param {number} x
  * @param {number} y
  * @param {Array.<number>} rgb is a 4-element array containing the red, green, blue and alpha values
  */
-Video.prototype.setPixel = function(imageData, x, y, rgb)
+Video.prototype.setPixel = function(imageBuffer, x, y, rgb)
 {
-    var index = (x + y * imageData.width) * rgb.length;
-    imageData.data[index]   = rgb[0];
-    imageData.data[index+1] = rgb[1];
-    imageData.data[index+2] = rgb[2];
-    imageData.data[index+3] = rgb[3];
+    var index;
+    if (!this.rotateBuffer) {
+        index = (x + y * imageBuffer.width);
+    } else {
+        index = (imageBuffer.height - x - 1) * imageBuffer.width + y;
+    }
+    index *= rgb.length;
+    imageBuffer.data[index] = rgb[0];
+    imageBuffer.data[index+1] = rgb[1];
+    imageBuffer.data[index+2] = rgb[2];
+    imageBuffer.data[index+3] = rgb[3];
 };
 
 /**
@@ -318,8 +333,17 @@ Video.prototype.updateScreen = function(n)
     if (xDirty < this.cxBuffer) {
         var cxDirty = xMaxDirty - xDirty;
         var cyDirty = yMaxDirty - yDirty;
-        this.contextBuffer.putImageData(this.imageBuffer, 0, 0, xDirty, yDirty, cxDirty, cyDirty);
-        this.contextScreen.drawImage(this.canvasBuffer, 0, 0, this.cxBuffer, this.cyBuffer, 0, 0, this.cxScreen, this.cyScreen);
+        if (this.rotateBuffer) {
+            /*
+             * TODO: One last bit of work required for "bufferRotate" (if you really don't want to use
+             * "screenRotate"): the dirty coordinates must be "rotated" as well, because they are relative
+             * to the frame buffer, not the image buffer.  That's why this code copies the ENTIRE imageBuffer.
+             */
+            this.contextBuffer.putImageData(this.imageBuffer, 0, 0);
+        } else {
+            this.contextBuffer.putImageData(this.imageBuffer, 0, 0, xDirty, yDirty, cxDirty, cyDirty);
+        }
+        this.contextScreen.drawImage(this.canvasBuffer, 0, 0, this.canvasBuffer.width, this.canvasBuffer.height, 0, 0, this.cxScreen, this.cyScreen);
     }
 };
 
diff --git a/modules/shared/templates/components.xsl b/modules/shared/templates/components.xsl
index 87803066b..8ba464106 100644
--- a/modules/shared/templates/components.xsl
+++ b/modules/shared/templates/components.xsl
@@ -991,9 +991,9 @@
 				<xsl:otherwise>black</xsl:otherwise>
 			</xsl:choose>
 		</xsl:variable>
-		<xsl:variable name="screenRotation">
+		<xsl:variable name="screenRotate">
 			<xsl:choose>
-				<xsl:when test="@screenRotation"><xsl:value-of select="@screenRotation"/></xsl:when>
+				<xsl:when test="@screenRotate"><xsl:value-of select="@screenRotate"/></xsl:when>
 				<xsl:otherwise>0</xsl:otherwise>
 			</xsl:choose>
 		</xsl:variable>
@@ -1027,6 +1027,12 @@
 				<xsl:otherwise>0</xsl:otherwise>
 			</xsl:choose>
 		</xsl:variable>
+		<xsl:variable name="bufferRotate">
+			<xsl:choose>
+				<xsl:when test="@bufferRotate"><xsl:value-of select="@bufferRotate"/></xsl:when>
+				<xsl:otherwise>0</xsl:otherwise>
+			</xsl:choose>
+		</xsl:variable>
 		<xsl:variable name="memory">
 			<!-- PCjs uses this to determine the amount of Video memory installed; in retrospect, "bufferSize"
 			might seem like	a better choice for the name, but PCjs doesn't use ANY of the "buffer" properties,
@@ -1108,7 +1114,7 @@
 		<xsl:call-template name="component">
 			<xsl:with-param name="machine" select="$machine"/>
 			<xsl:with-param name="class">video</xsl:with-param>
-			<xsl:with-param name="parms">,model:'<xsl:value-of select="$model"/>',mode:<xsl:value-of select="$mode"/>,screenWidth:<xsl:value-of select="$screenWidth"/>,screenHeight:<xsl:value-of select="$screenHeight"/>,screenColor:'<xsl:value-of select="$screenColor"/>',screenRotation:<xsl:value-of select="$screenRotation"/>,bufferAddr:<xsl:value-of select="$bufferAddr"/>,bufferCols:<xsl:value-of select="$bufferCols"/>,bufferRows:<xsl:value-of select="$bufferRows"/>,bufferBits:<xsl:value-of select="$bufferBits"/>,bufferLeft:<xsl:value-of select="$bufferLeft"/>,memory:<xsl:value-of select="$memory"/>,switches:'<xsl:value-of select="$switches"/>',scale:<xsl:value-of select="$scale"/>,charCols:<xsl:value-of select="$charCols"/>,charRows:<xsl:value-of select="$charRows"/>,fontROM:'<xsl:value-of select="$fontROM"/>',touchScreen:'<xsl:value-of select="$touchScreen"/>',autoLock:<xsl:value-of select="$autoLock"/>,aspectRatio:<xsl:value-of select="$aspectRatio"/>,interruptRate:<xsl:value-of select="$interruptRate"/>,refreshRate:<xsl:value-of select="$refreshRate"/></xsl:with-param>
+			<xsl:with-param name="parms">,model:'<xsl:value-of select="$model"/>',mode:<xsl:value-of select="$mode"/>,screenWidth:<xsl:value-of select="$screenWidth"/>,screenHeight:<xsl:value-of select="$screenHeight"/>,screenColor:'<xsl:value-of select="$screenColor"/>',screenRotate:<xsl:value-of select="$screenRotate"/>,bufferAddr:<xsl:value-of select="$bufferAddr"/>,bufferCols:<xsl:value-of select="$bufferCols"/>,bufferRows:<xsl:value-of select="$bufferRows"/>,bufferBits:<xsl:value-of select="$bufferBits"/>,bufferLeft:<xsl:value-of select="$bufferLeft"/>,bufferRotate:<xsl:value-of select="$bufferRotate"/>,memory:<xsl:value-of select="$memory"/>,switches:'<xsl:value-of select="$switches"/>',scale:<xsl:value-of select="$scale"/>,charCols:<xsl:value-of select="$charCols"/>,charRows:<xsl:value-of select="$charRows"/>,fontROM:'<xsl:value-of select="$fontROM"/>',touchScreen:'<xsl:value-of select="$touchScreen"/>',autoLock:<xsl:value-of select="$autoLock"/>,aspectRatio:<xsl:value-of select="$aspectRatio"/>,interruptRate:<xsl:value-of select="$interruptRate"/>,refreshRate:<xsl:value-of select="$refreshRate"/></xsl:with-param>
 		</xsl:call-template>
 	</xsl:template>
 
diff --git a/versions/pc8080/1.22.0/components.xsl b/versions/pc8080/1.22.0/components.xsl
index f94dab0b0..258390363 100644
--- a/versions/pc8080/1.22.0/components.xsl
+++ b/versions/pc8080/1.22.0/components.xsl
@@ -989,9 +989,9 @@
 				<xsl:otherwise>black</xsl:otherwise>
 			</xsl:choose>
 		</xsl:variable>
-		<xsl:variable name="screenRotation">
+		<xsl:variable name="screenRotate">
 			<xsl:choose>
-				<xsl:when test="@screenRotation"><xsl:value-of select="@screenRotation"/></xsl:when>
+				<xsl:when test="@screenRotate"><xsl:value-of select="@screenRotate"/></xsl:when>
 				<xsl:otherwise>0</xsl:otherwise>
 			</xsl:choose>
 		</xsl:variable>
@@ -1016,6 +1016,18 @@
 		<xsl:variable name="bufferBits">
 			<xsl:choose>
 				<xsl:when test="@bufferBits"><xsl:value-of select="@bufferBits"/></xsl:when>
+				<xsl:otherwise>1</xsl:otherwise>
+			</xsl:choose>
+		</xsl:variable>
+		<xsl:variable name="bufferLeft">
+			<xsl:choose>
+				<xsl:when test="@bufferLeft"><xsl:value-of select="@bufferLeft"/></xsl:when>
+				<xsl:otherwise>0</xsl:otherwise>
+			</xsl:choose>
+		</xsl:variable>
+		<xsl:variable name="bufferRotate">
+			<xsl:choose>
+				<xsl:when test="@bufferRotate"><xsl:value-of select="@bufferRotate"/></xsl:when>
 				<xsl:otherwise>0</xsl:otherwise>
 			</xsl:choose>
 		</xsl:variable>
@@ -1095,7 +1107,7 @@
 		<xsl:call-template name="component">
 			<xsl:with-param name="machine" select="$machine"/>
 			<xsl:with-param name="class">video</xsl:with-param>
-			<xsl:with-param name="parms">,model:'<xsl:value-of select="$model"/>',mode:<xsl:value-of select="$mode"/>,screenWidth:<xsl:value-of select="$screenWidth"/>,screenHeight:<xsl:value-of select="$screenHeight"/>,screenColor:'<xsl:value-of select="$screenColor"/>',screenRotation:<xsl:value-of select="$screenRotation"/>,bufferAddr:<xsl:value-of select="$bufferAddr"/>,bufferCols:<xsl:value-of select="$bufferCols"/>,bufferRows:<xsl:value-of select="$bufferRows"/>,bufferBits:<xsl:value-of select="$bufferBits"/>,memory:<xsl:value-of select="$memory"/>,switches:'<xsl:value-of select="$switches"/>',scale:<xsl:value-of select="$scale"/>,charCols:<xsl:value-of select="$charCols"/>,charRows:<xsl:value-of select="$charRows"/>,fontROM:'<xsl:value-of select="$fontROM"/>',touchScreen:'<xsl:value-of select="$touchScreen"/>',autoLock:<xsl:value-of select="$autoLock"/>,aspectRatio:<xsl:value-of select="$aspectRatio"/>,interruptRate:<xsl:value-of select="$interruptRate"/>,refreshRate:<xsl:value-of select="$refreshRate"/></xsl:with-param>
+			<xsl:with-param name="parms">,model:'<xsl:value-of select="$model"/>',mode:<xsl:value-of select="$mode"/>,screenWidth:<xsl:value-of select="$screenWidth"/>,screenHeight:<xsl:value-of select="$screenHeight"/>,screenColor:'<xsl:value-of select="$screenColor"/>',screenRotate:<xsl:value-of select="$screenRotate"/>,bufferAddr:<xsl:value-of select="$bufferAddr"/>,bufferCols:<xsl:value-of select="$bufferCols"/>,bufferRows:<xsl:value-of select="$bufferRows"/>,bufferBits:<xsl:value-of select="$bufferBits"/>,bufferLeft:<xsl:value-of select="$bufferLeft"/>,bufferRotate:<xsl:value-of select="$bufferRotate"/>,memory:<xsl:value-of select="$memory"/>,switches:'<xsl:value-of select="$switches"/>',scale:<xsl:value-of select="$scale"/>,charCols:<xsl:value-of select="$charCols"/>,charRows:<xsl:value-of select="$charRows"/>,fontROM:'<xsl:value-of select="$fontROM"/>',touchScreen:'<xsl:value-of select="$touchScreen"/>',autoLock:<xsl:value-of select="$autoLock"/>,aspectRatio:<xsl:value-of select="$aspectRatio"/>,interruptRate:<xsl:value-of select="$interruptRate"/>,refreshRate:<xsl:value-of select="$refreshRate"/></xsl:with-param>
 		</xsl:call-template>
 	</xsl:template>
 
diff --git a/versions/pc8080/1.22.0/pc8080-dbg.js b/versions/pc8080/1.22.0/pc8080-dbg.js
index 5f63c7454..86e96c922 100644
--- a/versions/pc8080/1.22.0/pc8080-dbg.js
+++ b/versions/pc8080/1.22.0/pc8080-dbg.js
@@ -1,206 +1,206 @@
 (function(){var m;function aa(a,b){var c;if(a){b||(b=16);if("$"==a.charAt(0))b=16,a=a.substr(1);else if("0x"==a.substr(0,2))b=16,a=a.substr(2);else{var d=a.charAt(a.length-1).toLowerCase();"h"==d?(b=16,d=null):"."==d&&(b=10,d=null);null==d&&(a=a.substr(0,a.length-1))}var e,d=a,f=b;(f&&10!=f?16==f?null!==d.match(/^[0-9a-f]+$/i):2==f&&null!==d.match(/^[01]+$/i):null!==d.match(/^[0-9]+$/))&&!isNaN(e=parseInt(a,b))&&(c=e|0)}return c}
-function q(a,b){var c="";void 0===b?b=8:8<b&&(b=8);if(null==a||isNaN(a))for(;0<b--;)c="?"+c;else for(;0<b--;){var d=a&15,d=d+(0<=d&&9>=d?48:55),c=String.fromCharCode(d)+c;a>>=4}return c}function r(a){return"0x"+q(a,4)}function ca(a,b){var c=a,d=a.lastIndexOf("/");0<=d&&(c=a.substr(d+1));d=c.indexOf("&");0<d&&(c=c.substr(0,d));b&&(d=c.lastIndexOf("."),0<d&&(c=c.substring(0,d)));return c}function da(a){var b="",c=a.lastIndexOf(".");0<=c&&(b=a.substr(c+1).toLowerCase());return b}
-function ea(a,b){return-1!==a.indexOf(b,a.length-b.length)}var fa={"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;","'":"&#039;"};function ga(a){return a.replace(/[&<>"']/g,function(a){return fa[a]})}function ha(a,b){return(a+"                                        ").slice(0,b)}function ia(a){return String.prototype.trim?a.trim():a.replace(/^\s+|\s+$/g,"")}
-function ja(a,b,c){var d=0,e=a.length,f=0;for(void 0===c&&(c=function(a,b){return a>b?1:a<b?-1:0});d<e;){var h=d+e>>1,g;g=c(b,a[h]);0<g?d=h+1:(e=h,f=!g)}return f?d:~d}var ka=Date.now||function(){return+new Date};function la(){function a(a){return(10>a?"0":"")+a}var b=new Date;return b.getFullYear()+"-"+a(b.getMonth()+1)+"-"+a(b.getDate())+" "+a(b.getHours())+":"+a(b.getMinutes())+":"+a(b.getSeconds())}
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+function da(a,b){return-1!==a.indexOf(b,a.length-b.length)}var ea={"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;","'":"&#039;"};function fa(a){return a.replace(/[&<>"']/g,function(a){return ea[a]})}function ga(a,b){return(a+"                                        ").slice(0,b)}function ha(a){return String.prototype.trim?a.trim():a.replace(/^\s+|\s+$/g,"")}
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+null==Na)break;var Ie=null;if("ks"==Cf){var Je=Na.match(/[0-9A-F]+$/);Je&&(Ie=Ye(a,Je[0]))}Na=ga(Na,50)+"  ;"+(Ie||"stack="+Z(Cb.C));a.g(Na);cd++}cd||a.g("no return addresses found")}break;case "l":if("ln"==f[0]){Ye(a,f[1],!0);break}break;case "m":a:{var Aa,Ba=null,G=f[1];"?"==G&&(G=void 0);if(void 0!==G){var Oa=0;if("all"==G)Oa=1610481663,G=null;else if("on"==G)Ba=!0,G=null;else if("off"==G)Ba=!1,G=null;else{"keys"==G&&(G="key");"kbd"==G&&(G="keyboard");for(Aa in Sd)if(G==Aa){Oa=Sd[Aa];Ba=!!(a.ha&
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