diff --git a/configs/pc/machines/5160/cga/640kb/debugger/machine-debug.xml b/configs/pc/machines/5160/cga/640kb/debugger/machine-debug.xml
deleted file mode 100644
index 413d3a491..000000000
--- a/configs/pc/machines/5160/cga/640kb/debugger/machine-debug.xml
+++ /dev/null
@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<?xml-stylesheet type="text/xsl" href="/versions/pcjs/1.15.3/machine.xsl"?>
-<machine id="ibm5160" class="pc" border="1" pos="center" width="1000px" style="background-color:white">
-	<name>IBM PC XT (Model 5160), CGA, 640K, 10Mb Drive</name>
-	<computer id="xt-cga-640k" name="IBM PC XT"/>
-	<cpu id="cpu8088" model="8088" autostart="false"/>
-	<ram id="ramLow" addr="0x00000" test="false" size="0xa0000" comment="0xa0000 (640Kb) size overrides SW1|ROM BIOS memory test has been disabled"/>
-	<rom id="romHDC" addr="0xc8000" size="0x2000" file="/devices/pc/hdc/ibm-xebec-1982.json"/>
-	<rom id="romBASIC" addr="0xf6000" size="0x8000" file="/devices/pc/basic/ibm-basic-1.10.json"/>
-	<rom id="romBIOS" addr="0xfe000" size="0x2000" file="/devices/pc/bios/5160/1982-11-08.json"/>
-	<video id="videoCGA" screenwidth="960" screenheight="400" scale="true" fontrom="/devices/pc/video/ibm-mda-cga.json" pos="center" width="960px" padding="8px">
-		<name>Color Display</name>
-	</video>
-	<keyboard id="keyboard"/>
-	<keyboardFull ref="/configs/pc/keyboards/us83.xml"/>
-	<debugger id="debugger"/>
-	<panel ref="/configs/pc/panels/wide.xml"/>
-	<fdc ref="/configs/pc/disks/unlisted/personal.xml" automount='{A:{name:"PC-DOS 3.00 (Disk 1)",path:"/disks/pc/dos/ibm/3.00/PCDOS300-DISK1.json"}, B:{name:"SpinRite v3.1",path:"/apps/pc/unlisted/spinrite/SPINRITE31.json"}}'/>
-	<chipset id="chipset" model="5160" sw1="01001001" pos="left" padleft="8px" padbottom="8px">
-		<control type="switches" class="input" label="SW1" binding="sw1" left="0px"/>
-		<control type="description" class="output" binding="swdesc" left="0px"/>
-	</chipset>
-	<hdc ref="/configs/pc/disks/fixed/win101.xml"/>
-	<serial id="com1" adapter="1" binding="print"/>
-	<serial id="com2" adapter="2"/>
-	<mouse serial="com2"/>
-</machine>
diff --git a/docs/pcjs/demos/pc-dbg.js b/docs/pcjs/demos/pc-dbg.js
index 2cce3be7e..d0eb01273 100644
--- a/docs/pcjs/demos/pc-dbg.js
+++ b/docs/pcjs/demos/pc-dbg.js
@@ -411,9 +411,9 @@ this.da();this.ba=256;this.A-=this.Be},function(){this.Y=this.ia=this.ka=this.G&
 1024?-2:2)&65535,this.A-=c,this.I-=b,a&&(K(this,this.va&16?-3:-2),this.Z|=256))},function(){var a=1,b=0,c=this.Pi;this.va&192&&(a=this.I,b=1,c=this.Ri,this.va&256||(this.A-=this.Qi));a--&&(rd.call(this,this.G&255,this.N(this.Va,this.D)),this.D=this.D+(this.wa&1024?-1:1)&65535,this.A-=c-this.ib,this.I-=b,a&&Uc(this)==(this.va&64)&&(K(this,-2),this.Z|=256))},function(){var a=1,b=0,c=this.Pi;this.va&192&&(a=this.I,b=1,c=this.Ri,this.va&256||(this.A-=this.Qi));a--&&(zd.call(this,this.G,this.O(this.Va,
 this.D)),this.D=this.D+(this.wa&1024?-2:2)&65535,this.A-=c-this.ib,this.I-=b,a&&Uc(this)==(this.va&64)&&(K(this,-2),this.Z|=256))},function(){this.G=this.G&-256|this.da();this.A-=this.ub},function(){this.I=this.I&-256|this.da();this.A-=this.ub},function(){this.J=this.J&-256|this.da();this.A-=this.ub},function(){this.B=this.B&-256|this.da();this.A-=this.ub},function(){this.G=this.G&255|this.da()<<8;this.A-=this.ub},function(){this.I=this.I&255|this.da()<<8;this.A-=this.ub},function(){this.J=this.J&
 255|this.da()<<8;this.A-=this.ub},function(){this.B=this.B&255|this.da()<<8;this.A-=this.ub},function(){this.G=this.K();this.A-=this.ub},function(){this.I=this.K();this.A-=this.ub},function(){this.J=this.K();this.A-=this.ub},function(){this.B=this.K();this.A-=this.ub},function(){this.X=this.K();this.A-=this.ub},function(){this.H=this.K();this.A-=this.ub},function(){this.F=this.K();this.A-=this.ub},function(){this.D=this.K();this.A-=this.ub},rh,sh,rh,sh,function(){P[this.da()].call(this,qe)},function(){P[this.da()].call(this,
-pe)},function(){this.Z|=1;Xg[this.da()].call(this,$d,this.da)},function(){this.Z|=1;Yg[this.da()].call(this,$d,this.K)},th,uh,th,uh,function(){hd.call(this,3,null,this.Tk)},function(){var a=this.da(),b;a:{b=this.vg[a];if(void 0!==b)for(var c=0;c<b.length;c++)if(!b[c][1].call(b[c][0],this.Aa)){b=!1;break a}b=!0}b&&hd.call(this,a,null,0)},function(){Wc(this)?hd.call(this,4,null,this.Uk):this.A-=this.Vk},function(){yc(this,this.Ea(),this.Ea());zc(this,this.Ea());this.Gg&&Ec(this,this.Aa);this.A-=this.Rk},
-function(){Xg[this.da()].call(this,ae,Sd)},function(){Yg[this.da()].call(this,be,Sd)},function(){Xg[this.da()].call(this,ae,Td)},function(){Yg[this.da()].call(this,be,Td)},function(){var a=this.da(),b=this.G&255;this.G=(b/a&255)<<8|b%a;this.ba=256;this.Y=this.ia=b;this.A-=this.wk},function(){var a=this.da();this.Y=this.ia=this.G=(this.G>>8)*a+this.G&255;this.ba=256;this.A-=this.vk},function(){this.G=this.G&-256|(Rc(this)?255:0);this.A-=2},function(){this.G=this.G&-256|this.T(this.C,this.B+(this.G&
-255)&65535);this.A-=this.ul},vh,vh,vh,vh,vh,vh,vh,vh,function(){var a=this.L();(this.I=this.I-1&65535)&&this.Y&this.ba-1?(J(this,this.pa+a),this.A-=this.bl):this.A-=this.Fi},function(){var a=this.L();!(this.I=this.I-1&65535)||this.Y&this.ba-1?this.A-=this.Hi:(J(this,this.pa+a),this.A-=this.Gi)},function(){var a=this.L();(this.I=this.I-1&65535)?(J(this,this.pa+a),this.A-=this.al):this.A-=this.Fi},function(){var a=this.L();this.I?this.A-=this.Hi:(J(this,this.pa+a),this.A-=this.Gi)},function(){var a=
+pe)},function(){this.Z|=1;Xg[this.da()].call(this,$d,this.da)},function(){this.Z|=1;Yg[this.da()].call(this,$d,this.K)},th,uh,th,uh,function(){hd.call(this,3,null,this.Tk)},function(){var a=this.da(),b;a:{b=this.vg[a];if(void 0!==b)for(var c=0;c<b.length;c++)if(!b[c][1].call(b[c][0],this.Aa)){b=!1;break a}b=!0}b?hd.call(this,a,null,0):this.A--},function(){Wc(this)?hd.call(this,4,null,this.Uk):this.A-=this.Vk},function(){yc(this,this.Ea(),this.Ea());zc(this,this.Ea());this.Gg&&Ec(this,this.Aa);this.A-=
+this.Rk},function(){Xg[this.da()].call(this,ae,Sd)},function(){Yg[this.da()].call(this,be,Sd)},function(){Xg[this.da()].call(this,ae,Td)},function(){Yg[this.da()].call(this,be,Td)},function(){var a=this.da(),b=this.G&255;this.G=(b/a&255)<<8|b%a;this.ba=256;this.Y=this.ia=b;this.A-=this.wk},function(){var a=this.da();this.Y=this.ia=this.G=(this.G>>8)*a+this.G&255;this.ba=256;this.A-=this.vk},function(){this.G=this.G&-256|(Rc(this)?255:0);this.A-=2},function(){this.G=this.G&-256|this.T(this.C,this.B+
+(this.G&255)&65535);this.A-=this.ul},vh,vh,vh,vh,vh,vh,vh,vh,function(){var a=this.L();(this.I=this.I-1&65535)&&this.Y&this.ba-1?(J(this,this.pa+a),this.A-=this.bl):this.A-=this.Fi},function(){var a=this.L();!(this.I=this.I-1&65535)||this.Y&this.ba-1?this.A-=this.Hi:(J(this,this.pa+a),this.A-=this.Gi)},function(){var a=this.L();(this.I=this.I-1&65535)?(J(this,this.pa+a),this.A-=this.al):this.A-=this.Fi},function(){var a=this.L();this.I?this.A-=this.Hi:(J(this,this.pa+a),this.A-=this.Gi)},function(){var a=
 this.da();this.G=this.G&-256|jb(this.la,a,this.Aa-2);this.A-=this.zi},function(){var a=this.da();this.G=jb(this.la,a,this.Aa-1)|jb(this.la,a+1&65535,this.Aa-2)<<8;this.A-=this.zi},function(){var a=this.da();mb(this.la,a,this.G&255,this.Aa-2);this.A-=this.Oi},function(){var a=this.da();mb(this.la,a,this.G&255,this.Aa-2);mb(this.la,a+1&65535,this.G>>8,this.Aa-2);this.A-=this.Oi},function(){var a=this.K();L(this,this.pa);J(this,this.pa+a);this.A-=this.Ak},function(){var a=this.K();J(this,this.pa+a);
 this.A-=this.Ai},function(){yc(this,this.K(),this.K());this.A-=this.Xk},function(){var a=this.L();J(this,this.pa+a);this.A-=this.Ai},function(){this.G=this.G&-256|jb(this.la,this.J,this.Aa-1);this.A-=this.yi},function(){this.G=jb(this.la,this.J,this.Aa-1)|jb(this.la,this.J+1&65535,this.Aa-1)<<8;this.A-=this.yi},function(){mb(this.la,this.J,this.G&255,this.Aa-1);this.A-=this.Ni},function(){mb(this.la,this.J,this.G&255,this.Aa-1);mb(this.la,this.J+1&65535,this.G>>8,this.Aa-1);this.A-=this.Ni},wh,wh,
 function(){this.Z|=132;this.A-=this.Gb},function(){this.Z|=68;this.A-=this.Gb},function(){this.ab|=4;this.A-=2;this.aa&&1<this.aa.Rb.length?(K(this,-1),this.nb()):this.wa&512||(this.aa&&K(this,-1),this.nb())},function(){Rc(this)?Xc(this):bd(this);this.A-=2},function(){this.vb=-1;Xg[this.da()].call(this,de,Vd);0<=this.vb&&(this.G=this.vb)},function(){this.vb=-1;Yg[this.da()].call(this,ee,Vd);0<=this.vb&&(this.G=this.vb,this.J=this.gg)},function(){this.Y&=~this.ba;this.A-=2},function(){this.Y|=this.ba;
diff --git a/docs/pcjs/demos/pc.js b/docs/pcjs/demos/pc.js
index eedbf3ca0..91d46262d 100644
--- a/docs/pcjs/demos/pc.js
+++ b/docs/pcjs/demos/pc.js
@@ -401,10 +401,10 @@ this.G;Kc(this,this.Za.Eb(this.D,1),d);this.D=this.D+(this.Da&1024?-2:2)&65535;t
 this.F),this.F=this.F+(this.Da&1024?-2:2)&65535,this.A-=c,this.I-=b,a&&(J(this,this.pa&16?-3:-2),this.Y|=256))},function(){var a=1,b=0,c=this.Rh;this.pa&192&&(a=this.I,b=1,c=this.Th,this.pa&256||(this.A-=this.Sh));a--&&(Vc.call(this,this.G&255,this.N(this.Za,this.D)),this.D=this.D+(this.Da&1024?-1:1)&65535,this.A-=c-this.Va,this.I-=b,a&&wc(this)==(this.pa&64)&&(J(this,-2),this.Y|=256))},function(){var a=1,b=0,c=this.Rh;this.pa&192&&(a=this.I,b=1,c=this.Th,this.pa&256||(this.A-=this.Sh));a--&&(cd.call(this,
 this.G,this.O(this.Za,this.D)),this.D=this.D+(this.Da&1024?-2:2)&65535,this.A-=c-this.Va,this.I-=b,a&&wc(this)==(this.pa&64)&&(J(this,-2),this.Y|=256))},function(){this.G=this.G&-256|this.aa();this.A-=this.eb},function(){this.I=this.I&-256|this.aa();this.A-=this.eb},function(){this.J=this.J&-256|this.aa();this.A-=this.eb},function(){this.B=this.B&-256|this.aa();this.A-=this.eb},function(){this.G=this.G&255|this.aa()<<8;this.A-=this.eb},function(){this.I=this.I&255|this.aa()<<8;this.A-=this.eb},function(){this.J=
 this.J&255|this.aa()<<8;this.A-=this.eb},function(){this.B=this.B&255|this.aa()<<8;this.A-=this.eb},function(){this.G=this.K();this.A-=this.eb},function(){this.I=this.K();this.A-=this.eb},function(){this.J=this.K();this.A-=this.eb},function(){this.B=this.K();this.A-=this.eb},function(){this.X=this.K();this.A-=this.eb},function(){this.H=this.K();this.A-=this.eb},function(){this.F=this.K();this.A-=this.eb},function(){this.D=this.K();this.A-=this.eb},Ug,Vg,Ug,Vg,function(){P[this.aa()].call(this,Ud)},
-function(){P[this.aa()].call(this,Td)},function(){this.Y|=1;zg[this.aa()].call(this,Dd,this.aa)},function(){this.Y|=1;Ag[this.aa()].call(this,Dd,this.K)},Wg,Xg,Wg,Xg,function(){Mc.call(this,3,null,this.Mj)},function(){var a=this.aa(),b;a:{b=this.Jk[a];if(void 0!==b)for(var c=0;c<b.length;c++)if(!b[c][1].call(b[c][0],this.Aa)){b=!1;break a}b=!0}b&&Mc.call(this,a,null,0)},function(){yc(this)?Mc.call(this,4,null,this.Nj):this.A-=this.Oj},function(){cc(this,this.ya(),this.ya());dc(this,this.ya());this.Gg&&
-gc(this,this.Aa);this.A-=this.Kj},function(){zg[this.aa()].call(this,Ed,vd)},function(){Ag[this.aa()].call(this,Fd,vd)},function(){zg[this.aa()].call(this,Ed,wd)},function(){Ag[this.aa()].call(this,Fd,wd)},function(){var a=this.aa(),b=this.G&255;this.G=(b/a&255)<<8|b%a;this.$=256;this.W=this.fa=b;this.A-=this.pj},function(){var a=this.aa();this.W=this.fa=this.G=(this.G>>8)*a+this.G&255;this.$=256;this.A-=this.oj},function(){this.G=this.G&-256|(tc(this)?255:0);this.A-=2},function(){this.G=this.G&-256|
-this.S(this.C,this.B+(this.G&255)&65535);this.A-=this.nk},Yg,Yg,Yg,Yg,Yg,Yg,Yg,Yg,function(){var a=this.L();(this.I=this.I-1&65535)&&this.W&this.$-1?(I(this,this.qa+a),this.A-=this.Vj):this.A-=this.Hh},function(){var a=this.L();!(this.I=this.I-1&65535)||this.W&this.$-1?this.A-=this.Jh:(I(this,this.qa+a),this.A-=this.Ih)},function(){var a=this.L();(this.I=this.I-1&65535)?(I(this,this.qa+a),this.A-=this.Uj):this.A-=this.Hh},function(){var a=this.L();this.I?this.A-=this.Jh:(I(this,this.qa+a),this.A-=
-this.Ih)},function(){var a=this.aa();this.G=this.G&-256|Xa(this.la,a,this.Aa-2);this.A-=this.Bh},function(){var a=this.aa();this.G=Xa(this.la,a,this.Aa-1)|Xa(this.la,a+1&65535,this.Aa-2)<<8;this.A-=this.Bh},function(){var a=this.aa();Za(this.la,a,this.G&255,this.Aa-2);this.A-=this.Qh},function(){var a=this.aa();Za(this.la,a,this.G&255,this.Aa-2);Za(this.la,a+1&65535,this.G>>8,this.Aa-2);this.A-=this.Qh},function(){var a=this.K();L(this,this.qa);I(this,this.qa+a);this.A-=this.tj},function(){var a=
+function(){P[this.aa()].call(this,Td)},function(){this.Y|=1;zg[this.aa()].call(this,Dd,this.aa)},function(){this.Y|=1;Ag[this.aa()].call(this,Dd,this.K)},Wg,Xg,Wg,Xg,function(){Mc.call(this,3,null,this.Mj)},function(){var a=this.aa(),b;a:{b=this.Jk[a];if(void 0!==b)for(var c=0;c<b.length;c++)if(!b[c][1].call(b[c][0],this.Aa)){b=!1;break a}b=!0}b?Mc.call(this,a,null,0):this.A--},function(){yc(this)?Mc.call(this,4,null,this.Nj):this.A-=this.Oj},function(){cc(this,this.ya(),this.ya());dc(this,this.ya());
+this.Gg&&gc(this,this.Aa);this.A-=this.Kj},function(){zg[this.aa()].call(this,Ed,vd)},function(){Ag[this.aa()].call(this,Fd,vd)},function(){zg[this.aa()].call(this,Ed,wd)},function(){Ag[this.aa()].call(this,Fd,wd)},function(){var a=this.aa(),b=this.G&255;this.G=(b/a&255)<<8|b%a;this.$=256;this.W=this.fa=b;this.A-=this.pj},function(){var a=this.aa();this.W=this.fa=this.G=(this.G>>8)*a+this.G&255;this.$=256;this.A-=this.oj},function(){this.G=this.G&-256|(tc(this)?255:0);this.A-=2},function(){this.G=
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+a),this.A-=this.Ih)},function(){var a=this.aa();this.G=this.G&-256|Xa(this.la,a,this.Aa-2);this.A-=this.Bh},function(){var a=this.aa();this.G=Xa(this.la,a,this.Aa-1)|Xa(this.la,a+1&65535,this.Aa-2)<<8;this.A-=this.Bh},function(){var a=this.aa();Za(this.la,a,this.G&255,this.Aa-2);this.A-=this.Qh},function(){var a=this.aa();Za(this.la,a,this.G&255,this.Aa-2);Za(this.la,a+1&65535,this.G>>8,this.Aa-2);this.A-=this.Qh},function(){var a=this.K();L(this,this.qa);I(this,this.qa+a);this.A-=this.tj},function(){var a=
 this.K();I(this,this.qa+a);this.A-=this.Ch},function(){cc(this,this.K(),this.K());this.A-=this.Qj},function(){var a=this.L();I(this,this.qa+a);this.A-=this.Ch},function(){this.G=this.G&-256|Xa(this.la,this.J,this.Aa-1);this.A-=this.Ah},function(){this.G=Xa(this.la,this.J,this.Aa-1)|Xa(this.la,this.J+1&65535,this.Aa-1)<<8;this.A-=this.Ah},function(){Za(this.la,this.J,this.G&255,this.Aa-1);this.A-=this.Ph},function(){Za(this.la,this.J,this.G&255,this.Aa-1);Za(this.la,this.J+1&65535,this.G>>8,this.Aa-
 1);this.A-=this.Ph},Zg,Zg,function(){this.Y|=132;this.A-=this.kb},function(){this.Y|=68;this.A-=this.kb},function(){this.Qa|=4;this.A-=2;this.Da&512||jb(this)},function(){tc(this)?zc(this):Dc(this);this.A-=2},function(){this.fb=-1;zg[this.aa()].call(this,Hd,yd);0<=this.fb&&(this.G=this.fb)},function(){this.fb=-1;Ag[this.aa()].call(this,Id,yd);0<=this.fb&&(this.G=this.fb,this.J=this.qf)},function(){this.W&=~this.$;this.A-=2},function(){this.W|=this.$;this.A-=2},function(){this.Da&=-513;this.A-=this.rj},
 function(){this.Da|=512;this.Y|=4;this.A-=2},function(){this.Da&=-1025;this.A-=2},function(){this.Da|=1024;this.A-=2},function(){zg[this.aa()].call(this,Wb,yd)},function(){Ag[this.aa()].call(this,Yb,yd)}];
diff --git a/docs/pcjs/demos/samples.zip b/docs/pcjs/demos/samples.zip
index 19944f6ed..90debfb9d 100644
Binary files a/docs/pcjs/demos/samples.zip and b/docs/pcjs/demos/samples.zip differ
diff --git a/versions/pcjs/1.15.3/pc-dbg.js b/versions/pcjs/1.15.3/pc-dbg.js
index 2cce3be7e..d0eb01273 100644
--- a/versions/pcjs/1.15.3/pc-dbg.js
+++ b/versions/pcjs/1.15.3/pc-dbg.js
@@ -411,9 +411,9 @@ this.da();this.ba=256;this.A-=this.Be},function(){this.Y=this.ia=this.ka=this.G&
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diff --git a/versions/pcjs/1.15.3/pc.js b/versions/pcjs/1.15.3/pc.js
index eedbf3ca0..91d46262d 100644
--- a/versions/pcjs/1.15.3/pc.js
+++ b/versions/pcjs/1.15.3/pc.js
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