From c5b8b44da853da40181b03b3362443e516d7c584 Mon Sep 17 00:00:00 2001
From: Jeff Parsons <Jeff@pcjs.org>
Date: Sun, 20 Mar 2016 16:24:34 -0700
Subject: [PATCH] Added AT&T 6300 resources

---
 devices/pc/chipset/att6300-cga-max.xml        |   5 +
 devices/pc/machine/README.md                  |   6 +-
 devices/pc/machine/att/6300/README.md         |  20 ++
 .../att/6300/cga/640kb/debugger/machine.md    |  11 +
 .../att/6300/cga/640kb/debugger/machine.xml   |  15 +
 .../pc/machine/att/6300/cga/640kb/machine.md  |  10 +
 .../pc/machine/att/6300/cga/640kb/machine.xml |  16 ++
 devices/pc/machine/att/README.md              |  10 +
 devices/pc/machine/cdp/README.md              |   2 +-
 .../mpc1600/cga/640kb/debugger/machine.xml    |   2 +-
 .../machine/cdp/mpc1600/cga/640kb/machine.xml |   2 +-
 devices/pc/machine/zenith/README.md           |  21 ++
 .../z150/cga/640kb/debugger/machine.xml       |   3 +-
 .../machine/zenith/z150/cga/640kb/machine.xml |   3 +-
 devices/pc/rom/att/6300/BIOS-143.json         | 258 ++++++++++++++++++
 devices/pc/rom/att/6300/README.md             |  17 ++
 devices/pc/rom/att/6300/bios-143.xml          |   2 +
 .../mpc1600/{MPC4.34.json => BIOS-434.json}   |   0
 devices/pc/rom/cdp/mpc1600/README.md          |  17 ++
 .../cdp/mpc1600/{mpc-443.xml => bios-434.xml} |   2 +-
 devices/pc/rom/olivetti/m24/BIOS-143.json     | 258 ++++++++++++++++++
 devices/pc/rom/olivetti/m24/README.md         |  16 ++
 devices/pc/rom/olivetti/m24/bios-143.xml      |   2 +
 .../{Z150-1988.json => BIOS-Z150-1988.json}   |   0
 devices/pc/rom/zenith/z150/README.md          |  17 ++
 .../{z150-1988.xml => bios-z150-1988.xml}     |   2 +-
 docs/pcjs/examples/pc-dbg.js                  |   2 +-
 docs/pcjs/examples/pc.js                      |   2 +-
 modules/pcjs/lib/chipset.js                   |  16 +-
 versions/pcjs/1.21.2/pc-dbg.js                |   2 +-
 versions/pcjs/1.21.2/pc.js                    |   2 +-
 31 files changed, 724 insertions(+), 17 deletions(-)
 create mode 100644 devices/pc/chipset/att6300-cga-max.xml
 create mode 100644 devices/pc/machine/att/6300/README.md
 create mode 100644 devices/pc/machine/att/6300/cga/640kb/debugger/machine.md
 create mode 100644 devices/pc/machine/att/6300/cga/640kb/debugger/machine.xml
 create mode 100644 devices/pc/machine/att/6300/cga/640kb/machine.md
 create mode 100644 devices/pc/machine/att/6300/cga/640kb/machine.xml
 create mode 100644 devices/pc/machine/att/README.md
 create mode 100644 devices/pc/machine/zenith/README.md
 create mode 100644 devices/pc/rom/att/6300/BIOS-143.json
 create mode 100644 devices/pc/rom/att/6300/README.md
 create mode 100644 devices/pc/rom/att/6300/bios-143.xml
 rename devices/pc/rom/cdp/mpc1600/{MPC4.34.json => BIOS-434.json} (100%)
 create mode 100644 devices/pc/rom/cdp/mpc1600/README.md
 rename devices/pc/rom/cdp/mpc1600/{mpc-443.xml => bios-434.xml} (75%)
 create mode 100644 devices/pc/rom/olivetti/m24/BIOS-143.json
 create mode 100644 devices/pc/rom/olivetti/m24/README.md
 create mode 100644 devices/pc/rom/olivetti/m24/bios-143.xml
 rename devices/pc/rom/zenith/z150/{Z150-1988.json => BIOS-Z150-1988.json} (100%)
 create mode 100644 devices/pc/rom/zenith/z150/README.md
 rename devices/pc/rom/zenith/z150/{z150-1988.xml => bios-z150-1988.xml} (72%)

diff --git a/devices/pc/chipset/att6300-cga-max.xml b/devices/pc/chipset/att6300-cga-max.xml
new file mode 100644
index 000000000..8fccd1d93
--- /dev/null
+++ b/devices/pc/chipset/att6300-cga-max.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<chipset id="chipset" model="att6300" sw1="01001001" sw2="11110000" pos="left" padleft="8px" padbottom="8px">
+	<control type="switches" label="SW1" binding="sw1" left="0px"/>
+	<control type="description" binding="swdesc" left="0px"/>
+</chipset>
diff --git a/devices/pc/machine/README.md b/devices/pc/machine/README.md
index accc25baa..e7adb4f3c 100644
--- a/devices/pc/machine/README.md
+++ b/devices/pc/machine/README.md
@@ -19,8 +19,10 @@ PCjs supports these IBM PC models:
 
 along with these IBM PC-compatibles:
 
-* [Columbia Data Products](/devices/pc/machine/cdp/) (eg, [MPC 1600](/devices/pc/machine/cdp/mpc1600/cga/640kb/))
-* [COMPAQ](/devices/pc/machine/compaq/) (eg, [DeskPro 386](/devices/pc/machine/compaq/deskpro386/))
+* [AT&amp;T](/devices/pc/machine/att/) ([AT&amp;T 6300](/devices/pc/machine/att/6300/cga/640kb/))
+* [Columbia Data Products](/devices/pc/machine/cdp/) ([MPC 1600](/devices/pc/machine/cdp/mpc1600/cga/640kb/))
+* [COMPAQ](/devices/pc/machine/compaq/) ([DeskPro 386](/devices/pc/machine/compaq/deskpro386/))
+* [Zenith Data Systems](/devices/pc/machine/zenith/) ([Z-150](/devices/pc/machine/zenith/z150/cga/640kb/))
 
 Learn more about the [Devices](/devices/) used to build all our machines, such as the 6502-based
 [Ohio Scientific Challenger 1P](/devices/c1p/machine/).
diff --git a/devices/pc/machine/att/6300/README.md b/devices/pc/machine/att/6300/README.md
new file mode 100644
index 000000000..6a674e6ce
--- /dev/null
+++ b/devices/pc/machine/att/6300/README.md
@@ -0,0 +1,20 @@
+---
+layout: page
+title: AT&amp;T Personal Computer 6300
+permalink: /devices/pc/machine/att/6300/
+---
+
+AT&amp;T Personal Computer 6300
+---
+
+The following AT&amp;T 6300 machines are available:
+
+* [AT&amp;T Personal Computer 6300](/devices/pc/machine/att/6300/cga/640kb/) ([Debugger](/devices/pc/machine/att/6300/cga/640kb/debugger/))
+
+The following AT&amp;T 6300 [online resources](http://bitsavers.trailing-edge.com/pdf/att/6300/) are available:
+
+* [Programmer's Guide (GWBASIC by Microsoft)](http://bitsavers.trailing-edge.com/pdf/att/6300/999-802-000IS_Programmers_Guide_PC6300_GWBASIC_by_Microsoft_1985.pdf)
+* [ROM-BIOS Listing (6300 PLUS](http://bitsavers.trailing-edge.com/pdf/att/6300/ATT_Personal_Computer_6300_Plus_-_ROM-BIOS_Listing_-_Rel_2.05_Issue_1_-_1986.pdf)
+* [System Programmer's Guide](http://bitsavers.trailing-edge.com/pdf/att/6300/999-802-200IS_System_Programmers_Guide_PC6300_1985.pdf)
+* [Service Manual](http://bitsavers.trailing-edge.com/pdf/att/6300/ATT_PC_6300_Service_Manual.pdf)
+* [User's Guide](http://bitsavers.trailing-edge.com/pdf/att/6300/ATT_PC_6300_Users_Guide.pdf)
diff --git a/devices/pc/machine/att/6300/cga/640kb/debugger/machine.md b/devices/pc/machine/att/6300/cga/640kb/debugger/machine.md
new file mode 100644
index 000000000..01ee96f55
--- /dev/null
+++ b/devices/pc/machine/att/6300/cga/640kb/debugger/machine.md
@@ -0,0 +1,11 @@
+---
+layout: page
+title: "AT&amp;T Personal Computer 6300 with Color Display"
+permalink: /devices/pc/machine/att/6300/cga/640kb/debugger/
+machines:
+  - type: pc
+    id: att6300
+    debugger: true
+---
+
+{% include machine.html id="att6300" %}
diff --git a/devices/pc/machine/att/6300/cga/640kb/debugger/machine.xml b/devices/pc/machine/att/6300/cga/640kb/debugger/machine.xml
new file mode 100644
index 000000000..b747ac8bc
--- /dev/null
+++ b/devices/pc/machine/att/6300/cga/640kb/debugger/machine.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?xml-stylesheet type="text/xsl" href="/versions/pcjs/1.21.2/machine.xsl"?>
+<machine id="att6300" class="pc" border="1" pos="center" background="#FAEBD7">
+	<name pos="center">AT&amp;T Personal Computer 6300 with Color Display</name>
+	<computer id="att6300-640k" name="AT&amp;T 6300"/>
+	<cpu id="cpu8086" model="8086"/>
+	<ram id="ramLow" addr="0x00000" size="0xa0000"/>
+	<rom ref="/devices/pc/rom/att/6300/bios-143.xml"/>
+	<video ref="/devices/pc/video/cdp/cga/cdp-cga.xml"/>
+	<fdc ref="/disks/pc/compiled/library.xml"/>
+	<keyboard ref="/devices/pc/keyboard/us83-buttons-debug.xml"/>
+	<debugger id="debugger"/>
+	<panel ref="/devices/pc/panel/wide.xml"/>
+	<chipset ref="/devices/pc/chipset/att6300-cga-max.xml"/>
+</machine>
diff --git a/devices/pc/machine/att/6300/cga/640kb/machine.md b/devices/pc/machine/att/6300/cga/640kb/machine.md
new file mode 100644
index 000000000..bb04f179c
--- /dev/null
+++ b/devices/pc/machine/att/6300/cga/640kb/machine.md
@@ -0,0 +1,10 @@
+---
+layout: page
+title: "AT&amp;T Personal Computer 6300 with Color Display"
+permalink: /devices/pc/machine/att/6300/cga/640kb/
+machines:
+  - type: pc
+    id: att6300
+---
+
+{% include machine.html id="att6300" %}
diff --git a/devices/pc/machine/att/6300/cga/640kb/machine.xml b/devices/pc/machine/att/6300/cga/640kb/machine.xml
new file mode 100644
index 000000000..e531c40a1
--- /dev/null
+++ b/devices/pc/machine/att/6300/cga/640kb/machine.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?xml-stylesheet type="text/xsl" href="/versions/pcjs/1.21.2/machine.xsl"?>
+<machine id="att6300" class="pc" border="1" pos="center" background="#FAEBD7">
+	<name pos="center">AT&amp;T Personal Computer 6300 with Color Display</name>
+	<computer id="att6300-640k" name="MPC 1600"/>
+	<ram id="ramLow" addr="0x00000" size="0xa0000"/>
+	<rom ref="/devices/pc/rom/att/6300/bios-143.xml"/>
+	<video ref="/devices/pc/video/cdp/cga/cdp-cga.xml"/>
+	<fdc ref="/disks/pc/compiled/library.xml"/>
+	<cpu id="cpu8086" model="8086" autostart="true" pos="left" padleft="8px" padbottom="8px">
+		<control type="button" binding="run">Run</control>
+		<control type="button" binding="reset">Reset</control>
+	</cpu>
+	<keyboard ref="/devices/pc/keyboard/us83-buttons-debug.xml"/>
+	<chipset id="chipset" model="6300" sw1="01001001" sw2="11110000"/>
+</machine>
diff --git a/devices/pc/machine/att/README.md b/devices/pc/machine/att/README.md
new file mode 100644
index 000000000..6f098f607
--- /dev/null
+++ b/devices/pc/machine/att/README.md
@@ -0,0 +1,10 @@
+---
+layout: page
+title: AT&amp;T Machines
+permalink: /devices/pc/machine/att/
+---
+
+AT&amp;T Machines
+---
+
+* [AT&amp;T Personal Computer 6300](/devices/pc/machine/att/6300/cga/640kb/) ([Debugger](/devices/pc/machine/att/6300/cga/640kb/debugger/))
diff --git a/devices/pc/machine/cdp/README.md b/devices/pc/machine/cdp/README.md
index d8181e216..a9ec4eab8 100644
--- a/devices/pc/machine/cdp/README.md
+++ b/devices/pc/machine/cdp/README.md
@@ -7,4 +7,4 @@ permalink: /devices/pc/machine/cdp/
 Columbia Data Products Machines
 ---
 
-* [Columbia Data Products MPC 1600](/devices/pc/machine/cdp/mpc1600/cga/640kb/) ([Debugger](/devices/pc/machine/cdp/mpc1600/cga/640kb/debugger/))
+* [MPC 1600](/devices/pc/machine/cdp/mpc1600/cga/640kb/) ([Debugger](/devices/pc/machine/cdp/mpc1600/cga/640kb/debugger/))
diff --git a/devices/pc/machine/cdp/mpc1600/cga/640kb/debugger/machine.xml b/devices/pc/machine/cdp/mpc1600/cga/640kb/debugger/machine.xml
index 54b49fd25..38fd96cf2 100644
--- a/devices/pc/machine/cdp/mpc1600/cga/640kb/debugger/machine.xml
+++ b/devices/pc/machine/cdp/mpc1600/cga/640kb/debugger/machine.xml
@@ -5,7 +5,7 @@
 	<computer id="mpc1600-640k" name="MPC 1600"/>
 	<cpu id="cpu8088" model="8088"/>
 	<ram id="ramLow" addr="0x00000" size="0xa0000"/>
-	<rom ref="/devices/pc/rom/cdp/mpc1600/mpc-443.xml"/>
+	<rom ref="/devices/pc/rom/cdp/mpc1600/bios-434.xml"/>
 	<video ref="/devices/pc/video/cdp/cga/cdp-cga.xml"/>
 	<fdc ref="/disks/pc/compiled/library.xml"/>
 	<keyboard ref="/devices/pc/keyboard/us83-buttons-debug.xml"/>
diff --git a/devices/pc/machine/cdp/mpc1600/cga/640kb/machine.xml b/devices/pc/machine/cdp/mpc1600/cga/640kb/machine.xml
index f16216e00..1eeebe791 100644
--- a/devices/pc/machine/cdp/mpc1600/cga/640kb/machine.xml
+++ b/devices/pc/machine/cdp/mpc1600/cga/640kb/machine.xml
@@ -4,7 +4,7 @@
 	<name pos="center">Columbia Data Products MPC 1600 with Color Display</name>
 	<computer id="mpc1600-640k" name="MPC 1600"/>
 	<ram id="ramLow" addr="0x00000" size="0xa0000"/>
-	<rom ref="/devices/pc/rom/cdp/mpc1600/mpc-443.xml"/>
+	<rom ref="/devices/pc/rom/cdp/mpc1600/bios-434.xml"/>
 	<video ref="/devices/pc/video/cdp/cga/cdp-cga.xml"/>
 	<fdc ref="/disks/pc/compiled/library.xml"/>
 	<cpu id="cpu8088" model="8088" autostart="true" pos="left" padleft="8px" padbottom="8px">
diff --git a/devices/pc/machine/zenith/README.md b/devices/pc/machine/zenith/README.md
new file mode 100644
index 000000000..7f12cb67e
--- /dev/null
+++ b/devices/pc/machine/zenith/README.md
@@ -0,0 +1,21 @@
+---
+layout: page
+title: Zenith Data Systems Machines
+permalink: /devices/pc/machine/zenith/
+---
+
+Zenith Data Systems Machines
+---
+
+The following Zenith machines are available:
+
+* [Zenith Z-150](/devices/pc/machine/zenith/z150/cga/640kb/) ([Debugger](/devices/pc/machine/zenith/z150/cga/640kb/debugger/))
+
+The following Zenith online resources are available:
+
+* [Programmer's Reference Manual (Z-100 Series)](http://planemo.org/retro/downloads/z100/manuals/Z-100%20Programmers%20Reference%20Manual-OCR.pdf)
+* [Z-150 Brochure](https://computerarchive.org/files/comp/ad/zenith/ZDS-Z150.pdf)
+
+---
+
+"The quality goes in before the name goes on."
diff --git a/devices/pc/machine/zenith/z150/cga/640kb/debugger/machine.xml b/devices/pc/machine/zenith/z150/cga/640kb/debugger/machine.xml
index 78798f934..db5a99b3c 100644
--- a/devices/pc/machine/zenith/z150/cga/640kb/debugger/machine.xml
+++ b/devices/pc/machine/zenith/z150/cga/640kb/debugger/machine.xml
@@ -5,7 +5,8 @@
 	<computer id="z150-640k" name="Z-150"/>
 	<cpu id="cpu8088" model="8088"/>
 	<ram id="ramLow" addr="0x00000" size="0xa0000"/>
-	<rom ref="/devices/pc/rom/zenith/z150/z150-1988.xml"/>
+	<ram id="ramBIOS" addr="0xf0000" size="0x4000" comment="16Kb of scratchpad RAM"/>
+	<rom ref="/devices/pc/rom/zenith/z150/bios-z150-1988.xml"/>
 	<video ref="/devices/pc/video/ibm/cga/ibm-cga.xml"/>
 	<fdc ref="/disks/pc/compiled/library.xml"/>
 	<keyboard ref="/devices/pc/keyboard/us83-buttons-minimal.xml"/>
diff --git a/devices/pc/machine/zenith/z150/cga/640kb/machine.xml b/devices/pc/machine/zenith/z150/cga/640kb/machine.xml
index 792826a46..fc81c2570 100644
--- a/devices/pc/machine/zenith/z150/cga/640kb/machine.xml
+++ b/devices/pc/machine/zenith/z150/cga/640kb/machine.xml
@@ -4,7 +4,8 @@
 	<name pos="center">Zenith Z-150 with Color Display</name>
 	<computer id="z150-640k" name="Z-150"/>
 	<ram id="ramLow" addr="0x00000" size="0xa0000"/>
-	<rom ref="/devices/pc/rom/zenith/z150/z150-1988.xml"/>
+	<ram id="ramBIOS" addr="0xf0000" size="0x4000" comment="16Kb of scratchpad RAM"/>
+	<rom ref="/devices/pc/rom/zenith/z150/bios-z150-1988.xml"/>
 	<video ref="/devices/pc/video/ibm/cga/ibm-cga.xml"/>
 	<fdc ref="/disks/pc/compiled/library.xml"/>
 	<cpu id="cpu8088" model="8088" autostart="true" pos="left" padleft="8px" padbottom="8px">
diff --git a/devices/pc/rom/att/6300/BIOS-143.json b/devices/pc/rom/att/6300/BIOS-143.json
new file mode 100644
index 000000000..4ad192708
--- /dev/null
+++ b/devices/pc/rom/att/6300/BIOS-143.json
@@ -0,0 +1,258 @@
+{"data":[
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+2115508350,1717966908,6710886,-612433818,454786011,1665007643,946629688,30924,2122186752,1008205950,1014896766,1008271128,404232318,404226072,1014896664,402653208,
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+1715273532,805306368,808516656,0,805306368,24624,64512,0,805306368,201719856,-1067438056,-964951936,-420028722,1882194044,808464432,-864550660,
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+1714559116,1618477310,1616928864,1623195768,101455920,410517506,404232216,940572792,50796,0,0,808517376,24,0,-864285576,1625292918,
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+-871625716,1625323724,1819831398,812646630,808464432,120,-687931700,198,-858993416,204,-858993544,120,2087085788,61536,2093796470,7692,
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+-2131040524,225640940,244048946,378208366,1889534060,-1995672320,-1996460530,-2013238250,520122406,508711119,1948159534,1074724581,-402098944,645983845,-1048513,1962961926,
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+1711229935,1106791920,971790840,788027879,-756034840,1861778431,1275022334,-940530433,1355309295,-419492936,551820832,57982986,-402610199,1038673367,1797687526,-816308480,
+0,0,-822083584,-808464433,-808464433,512634398,-1303190156,377942017,-889323264,1375423604,263475283,-594931507,281871284,-1319965814,47871,1962948328,
+4581412,41222204,803741872,-32082688,2094348994,1960172,-768472203,-25114882,870218777,45374153,-1996812083,1476460558,526014811,-401952561,229638146,47698,
+399311028,29685338,-855460669,-855067632,-172047600,-534583066,-2135621909,-997931824,-997524876,548413926,1240015078,255,14703594,791949552,942617392,1325416758]
+}
\ No newline at end of file
diff --git a/devices/pc/rom/att/6300/README.md b/devices/pc/rom/att/6300/README.md
new file mode 100644
index 000000000..a8faaf8ff
--- /dev/null
+++ b/devices/pc/rom/att/6300/README.md
@@ -0,0 +1,17 @@
+---
+layout: page
+title: AT&amp;T 6300 ROM BIOS
+permalink: /devices/pc/rom/att/6300/
+---
+
+AT&amp;T 6300 ROM BIOS
+---
+[BIOS-143.json](BIOS-143.json) is JSON-encoded dump of the ROM images (BIOS143E.BIN and BIOS143O.BIN) obtained from
+the [AT&amp;T 6300 Shrine](https://sites.google.com/site/att6300shrine/Home/downloads) website.  
+
+The dump was produced by running [FileDump](/modules/filedump/) to merge the even and odd portions (8Kb each)
+to produce a single 16Kb ROM image:
+
+	filedump --file=archive/BIOS143E.BIN --merge=archive/BIOS143O.BIN --output=BIOS-143.json
+
+NOTE: This ROM is apparently identical to the ROM used in the [Olivetti M24](/devices/pc/rom/olivetti/m24/).
diff --git a/devices/pc/rom/att/6300/bios-143.xml b/devices/pc/rom/att/6300/bios-143.xml
new file mode 100644
index 000000000..e64979b6d
--- /dev/null
+++ b/devices/pc/rom/att/6300/bios-143.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<rom id="romBIOS" addr="0xfc000" size="0x4000" file="/devices/pc/rom/att/6300/BIOS-143.json"/>
diff --git a/devices/pc/rom/cdp/mpc1600/MPC4.34.json b/devices/pc/rom/cdp/mpc1600/BIOS-434.json
similarity index 100%
rename from devices/pc/rom/cdp/mpc1600/MPC4.34.json
rename to devices/pc/rom/cdp/mpc1600/BIOS-434.json
diff --git a/devices/pc/rom/cdp/mpc1600/README.md b/devices/pc/rom/cdp/mpc1600/README.md
new file mode 100644
index 000000000..8c777247b
--- /dev/null
+++ b/devices/pc/rom/cdp/mpc1600/README.md
@@ -0,0 +1,17 @@
+---
+layout: page
+title: Columbia Data Products MPC 1600 ROM BIOS
+permalink: /devices/pc/rom/cdp/mpc1600/
+---
+
+Columbia Data Products MPC 1600 ROM BIOS
+---
+[BIOS-434.json](BIOS-434.json) is a JSON-encoded dump of the ROM images (MPC4.34_U45.BIN, MPC4.34_U46.BIN, and
+MPC4.34_U47.BIN) obtained from the
+[www.minuszerodegrees.net](http://www.minuszerodegrees.net/rom/rom.htm) website.  
+
+The dump was produced by concatenating the three 4Kb ROM images to produce a single 12Kb ROM image and then running
+[FileDump](/modules/filedump/):
+
+	cat archive/MPC4.34_U47.BIN archive/MPC4.34_U46.BIN archive/MPC4.34_U45.BIN > archive/BIOS-434.rom
+	filedump --file=archive/BIOS-434.rom --output=BIOS-143.json
diff --git a/devices/pc/rom/cdp/mpc1600/mpc-443.xml b/devices/pc/rom/cdp/mpc1600/bios-434.xml
similarity index 75%
rename from devices/pc/rom/cdp/mpc1600/mpc-443.xml
rename to devices/pc/rom/cdp/mpc1600/bios-434.xml
index 747beebc3..de8f720b3 100644
--- a/devices/pc/rom/cdp/mpc1600/mpc-443.xml
+++ b/devices/pc/rom/cdp/mpc1600/bios-434.xml
@@ -1,2 +1,2 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<rom id="romBIOS" addr="0xfd000" size="0x3000" file="/devices/pc/rom/cdp/mpc1600/MPC4.34.json"/>
+<rom id="romBIOS" addr="0xfd000" size="0x3000" file="/devices/pc/rom/cdp/mpc1600/BIOS-434.json"/>
diff --git a/devices/pc/rom/olivetti/m24/BIOS-143.json b/devices/pc/rom/olivetti/m24/BIOS-143.json
new file mode 100644
index 000000000..4ad192708
--- /dev/null
+++ b/devices/pc/rom/olivetti/m24/BIOS-143.json
@@ -0,0 +1,258 @@
+{"data":[
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+1711229935,1106791920,971790840,788027879,-756034840,1861778431,1275022334,-940530433,1355309295,-419492936,551820832,57982986,-402610199,1038673367,1797687526,-816308480,
+0,0,-822083584,-808464433,-808464433,512634398,-1303190156,377942017,-889323264,1375423604,263475283,-594931507,281871284,-1319965814,47871,1962948328,
+4581412,41222204,803741872,-32082688,2094348994,1960172,-768472203,-25114882,870218777,45374153,-1996812083,1476460558,526014811,-401952561,229638146,47698,
+399311028,29685338,-855460669,-855067632,-172047600,-534583066,-2135621909,-997931824,-997524876,548413926,1240015078,255,14703594,791949552,942617392,1325416758]
+}
\ No newline at end of file
diff --git a/devices/pc/rom/olivetti/m24/README.md b/devices/pc/rom/olivetti/m24/README.md
new file mode 100644
index 000000000..f5b2a5f81
--- /dev/null
+++ b/devices/pc/rom/olivetti/m24/README.md
@@ -0,0 +1,16 @@
+---
+layout: page
+title: Olivetti M24 ROM BIOS
+permalink: /devices/pc/rom/olivetti/m24/
+---
+
+Olivetti M24 ROM BIOS
+---
+[BIOS-143.json](BIOS-143.json) is JSON-encoded dump of the ROM images (OLIVETTI_M24_VERSION_1.43_LOW.BIN
+and OLIVETTI_M24_VERSION_1.43_HIGH.BIN) obtained from the
+[www.minuszerodegrees.net](http://www.minuszerodegrees.net/rom/rom.htm) website.  
+
+The dump was produced by running [FileDump](/modules/filedump/) to merge the even and odd portions (8Kb each)
+to produce a single 16Kb ROM image:
+
+	filedump --file=archive/OLIVETTI_M24_VERSION_1.43_LOW.BIN --merge=archive/OLIVETTI_M24_VERSION_1.43_HIGH.BIN --output=BIOS-143.json
diff --git a/devices/pc/rom/olivetti/m24/bios-143.xml b/devices/pc/rom/olivetti/m24/bios-143.xml
new file mode 100644
index 000000000..54cde9d25
--- /dev/null
+++ b/devices/pc/rom/olivetti/m24/bios-143.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<rom id="romBIOS" addr="0xfc000" size="0x4000" file="/devices/pc/rom/olivetti/m24/BIOS-143.json"/>
diff --git a/devices/pc/rom/zenith/z150/Z150-1988.json b/devices/pc/rom/zenith/z150/BIOS-Z150-1988.json
similarity index 100%
rename from devices/pc/rom/zenith/z150/Z150-1988.json
rename to devices/pc/rom/zenith/z150/BIOS-Z150-1988.json
diff --git a/devices/pc/rom/zenith/z150/README.md b/devices/pc/rom/zenith/z150/README.md
new file mode 100644
index 000000000..04b104de4
--- /dev/null
+++ b/devices/pc/rom/zenith/z150/README.md
@@ -0,0 +1,17 @@
+---
+layout: page
+title: Zenith Data Systems Z-150 ROM BIOS
+permalink: /devices/pc/rom/zenith/z150/
+---
+
+Zenith Data Systems Z-150 ROM BIOS
+---
+[BIOS-Z150-1988.json](BIOS-Z150-1988.json) is a JSON-encoded dump of ROM images (444-229-18.BIN and 444-260-18.BIN)
+obtained from the [Vintage Computer Federation](http://www.vcfed.org/forum/showthread.php?32016-Wanted-Zenith-PC-XT-ROM-BIOS-files-with-DEBUGGER-Z-150-etc)
+forum.
+
+The dump was produced by concatenating the two 16Kb ROM images to produce a single 32Kb ROM image and then running
+[FileDump](/modules/filedump/):
+
+	cat archive/444-260-18.BIN archive/444-229-18.BIN >archive/BIOS-Z150-1988.rom
+	filedump --file=archive/BIOS-Z150-1988.rom --output=BIOS-Z150-1988.json
diff --git a/devices/pc/rom/zenith/z150/z150-1988.xml b/devices/pc/rom/zenith/z150/bios-z150-1988.xml
similarity index 72%
rename from devices/pc/rom/zenith/z150/z150-1988.xml
rename to devices/pc/rom/zenith/z150/bios-z150-1988.xml
index c574194b0..b0682098f 100644
--- a/devices/pc/rom/zenith/z150/z150-1988.xml
+++ b/devices/pc/rom/zenith/z150/bios-z150-1988.xml
@@ -1,2 +1,2 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<rom id="romBIOS" addr="0xf8000" size="0x8000" file="/devices/pc/rom/zenith/z150/Z150-1988.json"/>
+<rom id="romBIOS" addr="0xf8000" size="0x8000" file="/devices/pc/rom/zenith/z150/BIOS-Z150-1988.json"/>
diff --git a/docs/pcjs/examples/pc-dbg.js b/docs/pcjs/examples/pc-dbg.js
index 15a4ed87c..d9cad5805 100644
--- a/docs/pcjs/examples/pc-dbg.js
+++ b/docs/pcjs/examples/pc-dbg.js
@@ -367,7 +367,7 @@ a;Ef(this);return a},function(a){this.S|=2;this.A-=14+(-1===this.D?0:2);if(-1!==
 80286==this.ja?b|=-16777216:80386<=this.ja&&2!=this.aa&&(a|=b<<16);this.mb(this.D+2,b);this.A-=12}return a},function(a){-1===this.D||this.ba&131072?C.call(this,6):(this.Ec=this.na(this.D+2)&(this.R|this.R<<8),a&=65535,this.zd=this.Ec+a,this.S|=2,this.A-=11);return a},function(a){-1===this.D||this.ba&131072?C.call(this,6):(this.Nc=this.na(this.D+2)&(this.R|this.R<<8),a&=65535,this.Pd=this.Nc+a,this.S|=2,this.A-=12);return a},function(){this.A-=2+(-1===this.D?0:1);return this.ab},Lh,function(a){this.ba&
 131072?C.call(this,6):(Hf(this,a),this.A-=-1===this.D?3:6,this.S|=2);return a},Lh],lk=[Lh,Lh,Lh,Lh,zh,Ch,Bh,Ah];
 function mk(a){Ua.call(this,"ChipSet",a,mk,32768);var b=a.model;this.ja=b&&nk[b]||ok;this.V=0;if(b=a[pk])this.V=qk(b,rk|sk.Ak);else{this.ka=[360,360];(b=a.floppies)&&b.length&&(this.ka=b);if(b=this.ka.length)this.V|=tk.Qg,b--,this.V|=(b&3)<<tk.yf;if(b=a.monitor||(this.ja<dg?"mono":"ega"),void 0!==uk[b])this.V|=uk[b]<<sk.yf}this.ua=qk(a[vk]||"11110000",0);this.cc=(this.ja|0)==ok?16:64;this.eb=this.Ia=1;this.ja>=dg&&(this.eb=this.Ia=2);this.pa=a.scaleTimers||!1;this.nc=a.rtcDate;this.Rb=!1;a.sound&&
-(this.Db=this.Ja=null,window&&(this.Db=window.AudioContext||window.webkitAudioContext),this.Db&&(this.Ja=new this.Db));this.reset(!0);sb(this)}db(mk);var ok=5150,dg=5170,nk={5150:ok,5160:5160,5170:dg,deskpro386:5180,mpc1600:5150.8,z150:5150.81},pk="sw1",vk="sw2",uk={none:0,tv:1,color:2,mono:3,ega:0,vga:0},tk={Qg:1,ONE:0,Xn:64,Vn:128,An:192,xf:192,yf:6},rk=12,sk={Wn:16,tn:32,Ak:48,xf:48,yf:4};m=mk.prototype;
+(this.Db=this.Ja=null,window&&(this.Db=window.AudioContext||window.webkitAudioContext),this.Db&&(this.Ja=new this.Db));this.reset(!0);sb(this)}db(mk);var ok=5150,dg=5170,nk={5150:ok,5160:5160,5170:dg,att6300:5150.8,mpc1600:5150.81,z150:5150.82,deskpro386:5180},pk="sw1",vk="sw2",uk={none:0,tv:1,color:2,mono:3,ega:0,vga:0},tk={Qg:1,ONE:0,Xn:64,Vn:128,An:192,xf:192,yf:6},rk=12,sk={Wn:16,tn:32,Ak:48,xf:48,yf:4};m=mk.prototype;
 m.Qb=function(a,b,c){switch(b){case pk:return this.qa[b]=c,wk(this,b,this.V,{0:(this.ja|0)==ok?"Bootable Floppy Drive":"Loop on POST",1:this.ja<ok?"Reserved":"Coprocessor",2:"Base Memory Size",4:"Monitor Type",6:"Number of Floppy Drives"}),!0;case vk:if((this.ja|0)==ok)return this.qa[b]=c,wk(this,b,this.ua,{0:"Expansion Memory Size",4:"Reserved"}),!0;break;case "swdesc":return this.qa[b]=c,!0}return!1};
 m.Hc=function(a,b,c,d){this.ea=b;this.F=c;this.ha=d;this.da=a;if(this.Ub=Eb(a,"FPU"))this.V|=2;this.C=Eb(a,"Keyboard");this.pb=c.X.Hd/1193181;hc(b,this,xk);lc(b,this,yk);this.ja<dg?(hc(b,this,zk),lc(b,this,Ak)):(hc(b,this,Bk),lc(b,this,Ck));if(d){var e=this;Dk(d,1024,function(){for(var a=0;a<e.vc.length;a++){for(var b=e.vc[a],c="PIC"+a+":",d=0;d<b.Yc.length;d++)c+=" IC"+(d+1)+"="+t(b.Yc[d]);c+=" IMR="+t(b.Ad)+" IRR="+t(b.oc)+" ISR="+t(b.Oc)+" DELAY="+b.kf;e.ha.O(c)}});Dk(d,2048,function(a){a=(a=a[0])?
 +a:null;for(var b=0;b<e.L.length;b++)if(null==a||b==a){Ek(e,b);var c=e.L[b],d="TIMER"+b+":",l=0;if(null!=c.md)for(var n=0;n<=c.md;n++)l|=c.Ab[n]<<8*n;d+=" mode="+(c.mode>>1)+" bytes="+c.md+" count="+u(l);e.ha.O(d)}});Dk(d,4096,function(){for(var a="",b=0;64>b;b++){var c=13>=b?Fk(e,b):e.A[b];a&&(a+="\n");a+="CMOS["+t(b)+"]: "+t(c)}e.ha.O(a)})}df(c,26,this.Xl.bind(this))};m.jc=function(a,b){if(!b)if(!a)this.reset();else if(!this.restore(a))return!1;return!0};m.ic=function(a){return a?this.save():!0};
diff --git a/docs/pcjs/examples/pc.js b/docs/pcjs/examples/pc.js
index 4f76a7a2c..8ec5e8cef 100644
--- a/docs/pcjs/examples/pc.js
+++ b/docs/pcjs/examples/pc.js
@@ -351,7 +351,7 @@ var be=[function(){this.A-=2+(-1===this.F?0:1);return this.Zb.ka},function(){thi
 var b=this.Ab;80286==this.ca?b|=-16777216:80386<=this.ca&&2!=this.U&&(a|=b<<16);this.Ua(this.F+2,b);this.A-=12}return a},function(a){-1===this.F||this.X&131072?u.call(this,6):(this.ub=this.ea(this.F+2)&(this.N|this.N<<8),a&=65535,this.uc=this.ub+a,this.L|=2,this.A-=11);return a},function(a){-1===this.F||this.X&131072?u.call(this,6):(this.Ab=this.ea(this.F+2)&(this.N|this.N<<8),a&=65535,this.vc=this.Ab+a,this.L|=2,this.A-=12);return a},function(){this.A-=2+(-1===this.F?0:1);return this.Pa},S,function(a){this.X&
 131072?u.call(this,6):(Be(this,a),this.A-=-1===this.F?3:6,this.L|=2);return a},S],xi=[S,S,S,S,fg,ig,hg,gg];
 function T(a){Ia.call(this,"ChipSet",a,T);var b=a.model;this.ca=b&&yi[b]||zi;this.I=0;if(b=a[Ai])this.I=Bi(b,Ci|Di.vj);else{this.aa=[360,360];(b=a.floppies)&&b.length&&(this.aa=b);if(b=this.aa.length)this.I|=Ei.Xf,b--,this.I|=(b&3)<<Ei.Fe;if(b=a.monitor||(this.ca<Re?"mono":"ega"),void 0!==Fi[b])this.I|=Fi[b]<<Di.Fe}this.ia=Bi(a[Gi]||"11110000",0);this.fb=(this.ca|0)==zi?16:64;this.Fa=this.ra=1;this.ca>=Re&&(this.Fa=this.ra=2);this.ba=a.scaleTimers||!1;this.gb=a.rtcDate;this.Va=!1;a.sound&&(this.Ma=
-this.ta=null,window&&(this.Ma=window.AudioContext||window.webkitAudioContext),this.Ma&&(this.ta=new this.Ma));this.reset(!0);p(this)}Qa(T);var zi=5150,Re=5170,yi={5150:zi,5160:5160,5170:Re,deskpro386:5180,mpc1600:5150.8,z150:5150.81},Ai="sw1",Gi="sw2",Fi={none:0,tv:1,color:2,mono:3,ega:0,vga:0},Ei={Xf:1,ONE:0,Fm:64,Dm:128,im:192,Ee:192,Fe:6},Ci=12,Di={Em:16,bm:32,vj:48,Ee:48,Fe:4};l=T.prototype;
+this.ta=null,window&&(this.Ma=window.AudioContext||window.webkitAudioContext),this.Ma&&(this.ta=new this.Ma));this.reset(!0);p(this)}Qa(T);var zi=5150,Re=5170,yi={5150:zi,5160:5160,5170:Re,att6300:5150.8,mpc1600:5150.81,z150:5150.82,deskpro386:5180},Ai="sw1",Gi="sw2",Fi={none:0,tv:1,color:2,mono:3,ega:0,vga:0},Ei={Xf:1,ONE:0,Fm:64,Dm:128,im:192,Ee:192,Fe:6},Ci=12,Di={Em:16,bm:32,vj:48,Ee:48,Fe:4};l=T.prototype;
 l.zb=function(a,b,c){switch(b){case Ai:return this.ja[b]=c,Hi(this,b,this.I,{0:(this.ca|0)==zi?"Bootable Floppy Drive":"Loop on POST",1:this.ca<zi?"Reserved":"Coprocessor",2:"Base Memory Size",4:"Monitor Type",6:"Number of Floppy Drives"}),!0;case Gi:if((this.ca|0)==zi)return this.ja[b]=c,Hi(this,b,this.ia,{0:"Expansion Memory Size",4:"Reserved"}),!0;break;case "swdesc":return this.ja[b]=c,!0}return!1};
 l.mc=function(a,b,c,d){this.ha=b;this.A=c;this.Ja=d;this.oa=a;if(this.nd=jb(a,"FPU"))this.I|=2;this.C=jb(a,"Keyboard");this.Ha=c.T.$c/1193181;Mb(b,this,Ii);Ob(b,this,Ji);this.ca<Re?(Mb(b,this,Ki),Ob(b,this,Li)):(Mb(b,this,Mi),Ob(b,this,Ni))};l.Vb=function(a,b){if(!b)if(!a)this.reset();else if(!this.restore(a))return!1;return!0};l.Ub=function(a){return a?this.save():!0};
 l.reset=function(a){var b;this.P=this.I;this.fa=this.ia;Oi(this,Ai,this.P);Oi(this,Gi,this.fa);Pi(this);this.G=Array(this.Fa);for(b=0;b<this.Fa;b++)Qi(this,b);this.gc=Array(this.ra);Ri(this,0,32);1<this.ra&&Ri(this,1,160);this.Sa=this.Da=null;this.K=Array(5180==(this.ca|0)?6:3);for(b=0;b<this.K.length;b++)Si(this,b);this.qa=this.La=this.R=this.Ea=null;this.pa=0;if(this.ca>=Re){this.D=16;this.W=0;this.S=16;this.xa=0;this.Y=160;512<=Ti(this)&&(this.Y|=16);3==Ui(this)&&(this.Y|=64);5180==(this.ca|0)&&
diff --git a/modules/pcjs/lib/chipset.js b/modules/pcjs/lib/chipset.js
index 515c34920..cc190a6db 100644
--- a/modules/pcjs/lib/chipset.js
+++ b/modules/pcjs/lib/chipset.js
@@ -152,10 +152,16 @@ function ChipSet(parmsChipSet)
     Component.call(this, "ChipSet", parmsChipSet, ChipSet, Messages.CHIPSET);
 
     var model = parmsChipSet['model'];
+
     /*
      * this.model is a numeric version of the 'model' string; when comparing this.model to assorted
      * model values, you should generally compare (this.model|0) to the target value, which truncates it.
+     *
+    if (model && !ChipSet.MODELS[model]) {
+        Component.notice("Unrecognized ChipSet model: " + model);
+    }
      */
+
     this.model = model && ChipSet.MODELS[model] || ChipSet.MODEL_5150;
 
     /*
@@ -285,8 +291,9 @@ ChipSet.MODEL_5170_REV3         = 5170.3;   // used in reference to the 3rd 5170
 /*
  * Assorted non-IBM models (we don't put "IBM" in the IBM models, but non-IBM models should include the company name).
  */
-ChipSet.MODEL_CDP_MPC1600       = 5150.800; // Columbia Data Products MPC 1600 ("Copyright Columbia Data Products 1983, ROM/BIOS Ver 4.34")
-ChipSet.MODEL_ZENITH_Z150       = 5150.810; // Zenith Data Systems Z-150 ("08/11/88 (C)ZDS CORP")
+ChipSet.MODEL_ATT_6300          = 5150.800; // AT&T Personal Computer 6300/Olivetti M24 ("COPYRIGHT (C) OLIVETTI 1984","04/03/86",v1.43)
+ChipSet.MODEL_CDP_MPC1600       = 5150.810; // Columbia Data Products MPC 1600 ("Copyright Columbia Data Products 1983, ROM/BIOS Ver 4.34")
+ChipSet.MODEL_ZENITH_Z150       = 5150.820; // Zenith Data Systems Z-150 ("08/11/88 (C)ZDS CORP")
 ChipSet.MODEL_COMPAQ_PORTABLE   = 5150.900; // COMPAQ Portable (COMPAQ's first PC)
 ChipSet.MODEL_COMPAQ_DESKPRO386 = 5180;     // COMPAQ DeskPro 386 (COMPAQ's first 80386-based PC); should be > MODEL_5170
 
@@ -297,9 +304,10 @@ ChipSet.MODELS = {
     "5150":         ChipSet.MODEL_5150,
     "5160":         ChipSet.MODEL_5160,
     "5170":         ChipSet.MODEL_5170,
-    "deskpro386":   ChipSet.MODEL_COMPAQ_DESKPRO386,
+    "att6300":      ChipSet.MODEL_ATT_6300,
     "mpc1600":      ChipSet.MODEL_CDP_MPC1600,
-    "z150":         ChipSet.MODEL_ZENITH_Z150
+    "z150":         ChipSet.MODEL_ZENITH_Z150,
+    "deskpro386":   ChipSet.MODEL_COMPAQ_DESKPRO386
 };
 
 ChipSet.CONTROLS = {
diff --git a/versions/pcjs/1.21.2/pc-dbg.js b/versions/pcjs/1.21.2/pc-dbg.js
index 15a4ed87c..d9cad5805 100644
--- a/versions/pcjs/1.21.2/pc-dbg.js
+++ b/versions/pcjs/1.21.2/pc-dbg.js
@@ -367,7 +367,7 @@ a;Ef(this);return a},function(a){this.S|=2;this.A-=14+(-1===this.D?0:2);if(-1!==
 80286==this.ja?b|=-16777216:80386<=this.ja&&2!=this.aa&&(a|=b<<16);this.mb(this.D+2,b);this.A-=12}return a},function(a){-1===this.D||this.ba&131072?C.call(this,6):(this.Ec=this.na(this.D+2)&(this.R|this.R<<8),a&=65535,this.zd=this.Ec+a,this.S|=2,this.A-=11);return a},function(a){-1===this.D||this.ba&131072?C.call(this,6):(this.Nc=this.na(this.D+2)&(this.R|this.R<<8),a&=65535,this.Pd=this.Nc+a,this.S|=2,this.A-=12);return a},function(){this.A-=2+(-1===this.D?0:1);return this.ab},Lh,function(a){this.ba&
 131072?C.call(this,6):(Hf(this,a),this.A-=-1===this.D?3:6,this.S|=2);return a},Lh],lk=[Lh,Lh,Lh,Lh,zh,Ch,Bh,Ah];
 function mk(a){Ua.call(this,"ChipSet",a,mk,32768);var b=a.model;this.ja=b&&nk[b]||ok;this.V=0;if(b=a[pk])this.V=qk(b,rk|sk.Ak);else{this.ka=[360,360];(b=a.floppies)&&b.length&&(this.ka=b);if(b=this.ka.length)this.V|=tk.Qg,b--,this.V|=(b&3)<<tk.yf;if(b=a.monitor||(this.ja<dg?"mono":"ega"),void 0!==uk[b])this.V|=uk[b]<<sk.yf}this.ua=qk(a[vk]||"11110000",0);this.cc=(this.ja|0)==ok?16:64;this.eb=this.Ia=1;this.ja>=dg&&(this.eb=this.Ia=2);this.pa=a.scaleTimers||!1;this.nc=a.rtcDate;this.Rb=!1;a.sound&&
-(this.Db=this.Ja=null,window&&(this.Db=window.AudioContext||window.webkitAudioContext),this.Db&&(this.Ja=new this.Db));this.reset(!0);sb(this)}db(mk);var ok=5150,dg=5170,nk={5150:ok,5160:5160,5170:dg,deskpro386:5180,mpc1600:5150.8,z150:5150.81},pk="sw1",vk="sw2",uk={none:0,tv:1,color:2,mono:3,ega:0,vga:0},tk={Qg:1,ONE:0,Xn:64,Vn:128,An:192,xf:192,yf:6},rk=12,sk={Wn:16,tn:32,Ak:48,xf:48,yf:4};m=mk.prototype;
+(this.Db=this.Ja=null,window&&(this.Db=window.AudioContext||window.webkitAudioContext),this.Db&&(this.Ja=new this.Db));this.reset(!0);sb(this)}db(mk);var ok=5150,dg=5170,nk={5150:ok,5160:5160,5170:dg,att6300:5150.8,mpc1600:5150.81,z150:5150.82,deskpro386:5180},pk="sw1",vk="sw2",uk={none:0,tv:1,color:2,mono:3,ega:0,vga:0},tk={Qg:1,ONE:0,Xn:64,Vn:128,An:192,xf:192,yf:6},rk=12,sk={Wn:16,tn:32,Ak:48,xf:48,yf:4};m=mk.prototype;
 m.Qb=function(a,b,c){switch(b){case pk:return this.qa[b]=c,wk(this,b,this.V,{0:(this.ja|0)==ok?"Bootable Floppy Drive":"Loop on POST",1:this.ja<ok?"Reserved":"Coprocessor",2:"Base Memory Size",4:"Monitor Type",6:"Number of Floppy Drives"}),!0;case vk:if((this.ja|0)==ok)return this.qa[b]=c,wk(this,b,this.ua,{0:"Expansion Memory Size",4:"Reserved"}),!0;break;case "swdesc":return this.qa[b]=c,!0}return!1};
 m.Hc=function(a,b,c,d){this.ea=b;this.F=c;this.ha=d;this.da=a;if(this.Ub=Eb(a,"FPU"))this.V|=2;this.C=Eb(a,"Keyboard");this.pb=c.X.Hd/1193181;hc(b,this,xk);lc(b,this,yk);this.ja<dg?(hc(b,this,zk),lc(b,this,Ak)):(hc(b,this,Bk),lc(b,this,Ck));if(d){var e=this;Dk(d,1024,function(){for(var a=0;a<e.vc.length;a++){for(var b=e.vc[a],c="PIC"+a+":",d=0;d<b.Yc.length;d++)c+=" IC"+(d+1)+"="+t(b.Yc[d]);c+=" IMR="+t(b.Ad)+" IRR="+t(b.oc)+" ISR="+t(b.Oc)+" DELAY="+b.kf;e.ha.O(c)}});Dk(d,2048,function(a){a=(a=a[0])?
 +a:null;for(var b=0;b<e.L.length;b++)if(null==a||b==a){Ek(e,b);var c=e.L[b],d="TIMER"+b+":",l=0;if(null!=c.md)for(var n=0;n<=c.md;n++)l|=c.Ab[n]<<8*n;d+=" mode="+(c.mode>>1)+" bytes="+c.md+" count="+u(l);e.ha.O(d)}});Dk(d,4096,function(){for(var a="",b=0;64>b;b++){var c=13>=b?Fk(e,b):e.A[b];a&&(a+="\n");a+="CMOS["+t(b)+"]: "+t(c)}e.ha.O(a)})}df(c,26,this.Xl.bind(this))};m.jc=function(a,b){if(!b)if(!a)this.reset();else if(!this.restore(a))return!1;return!0};m.ic=function(a){return a?this.save():!0};
diff --git a/versions/pcjs/1.21.2/pc.js b/versions/pcjs/1.21.2/pc.js
index 4f76a7a2c..8ec5e8cef 100644
--- a/versions/pcjs/1.21.2/pc.js
+++ b/versions/pcjs/1.21.2/pc.js
@@ -351,7 +351,7 @@ var be=[function(){this.A-=2+(-1===this.F?0:1);return this.Zb.ka},function(){thi
 var b=this.Ab;80286==this.ca?b|=-16777216:80386<=this.ca&&2!=this.U&&(a|=b<<16);this.Ua(this.F+2,b);this.A-=12}return a},function(a){-1===this.F||this.X&131072?u.call(this,6):(this.ub=this.ea(this.F+2)&(this.N|this.N<<8),a&=65535,this.uc=this.ub+a,this.L|=2,this.A-=11);return a},function(a){-1===this.F||this.X&131072?u.call(this,6):(this.Ab=this.ea(this.F+2)&(this.N|this.N<<8),a&=65535,this.vc=this.Ab+a,this.L|=2,this.A-=12);return a},function(){this.A-=2+(-1===this.F?0:1);return this.Pa},S,function(a){this.X&
 131072?u.call(this,6):(Be(this,a),this.A-=-1===this.F?3:6,this.L|=2);return a},S],xi=[S,S,S,S,fg,ig,hg,gg];
 function T(a){Ia.call(this,"ChipSet",a,T);var b=a.model;this.ca=b&&yi[b]||zi;this.I=0;if(b=a[Ai])this.I=Bi(b,Ci|Di.vj);else{this.aa=[360,360];(b=a.floppies)&&b.length&&(this.aa=b);if(b=this.aa.length)this.I|=Ei.Xf,b--,this.I|=(b&3)<<Ei.Fe;if(b=a.monitor||(this.ca<Re?"mono":"ega"),void 0!==Fi[b])this.I|=Fi[b]<<Di.Fe}this.ia=Bi(a[Gi]||"11110000",0);this.fb=(this.ca|0)==zi?16:64;this.Fa=this.ra=1;this.ca>=Re&&(this.Fa=this.ra=2);this.ba=a.scaleTimers||!1;this.gb=a.rtcDate;this.Va=!1;a.sound&&(this.Ma=
-this.ta=null,window&&(this.Ma=window.AudioContext||window.webkitAudioContext),this.Ma&&(this.ta=new this.Ma));this.reset(!0);p(this)}Qa(T);var zi=5150,Re=5170,yi={5150:zi,5160:5160,5170:Re,deskpro386:5180,mpc1600:5150.8,z150:5150.81},Ai="sw1",Gi="sw2",Fi={none:0,tv:1,color:2,mono:3,ega:0,vga:0},Ei={Xf:1,ONE:0,Fm:64,Dm:128,im:192,Ee:192,Fe:6},Ci=12,Di={Em:16,bm:32,vj:48,Ee:48,Fe:4};l=T.prototype;
+this.ta=null,window&&(this.Ma=window.AudioContext||window.webkitAudioContext),this.Ma&&(this.ta=new this.Ma));this.reset(!0);p(this)}Qa(T);var zi=5150,Re=5170,yi={5150:zi,5160:5160,5170:Re,att6300:5150.8,mpc1600:5150.81,z150:5150.82,deskpro386:5180},Ai="sw1",Gi="sw2",Fi={none:0,tv:1,color:2,mono:3,ega:0,vga:0},Ei={Xf:1,ONE:0,Fm:64,Dm:128,im:192,Ee:192,Fe:6},Ci=12,Di={Em:16,bm:32,vj:48,Ee:48,Fe:4};l=T.prototype;
 l.zb=function(a,b,c){switch(b){case Ai:return this.ja[b]=c,Hi(this,b,this.I,{0:(this.ca|0)==zi?"Bootable Floppy Drive":"Loop on POST",1:this.ca<zi?"Reserved":"Coprocessor",2:"Base Memory Size",4:"Monitor Type",6:"Number of Floppy Drives"}),!0;case Gi:if((this.ca|0)==zi)return this.ja[b]=c,Hi(this,b,this.ia,{0:"Expansion Memory Size",4:"Reserved"}),!0;break;case "swdesc":return this.ja[b]=c,!0}return!1};
 l.mc=function(a,b,c,d){this.ha=b;this.A=c;this.Ja=d;this.oa=a;if(this.nd=jb(a,"FPU"))this.I|=2;this.C=jb(a,"Keyboard");this.Ha=c.T.$c/1193181;Mb(b,this,Ii);Ob(b,this,Ji);this.ca<Re?(Mb(b,this,Ki),Ob(b,this,Li)):(Mb(b,this,Mi),Ob(b,this,Ni))};l.Vb=function(a,b){if(!b)if(!a)this.reset();else if(!this.restore(a))return!1;return!0};l.Ub=function(a){return a?this.save():!0};
 l.reset=function(a){var b;this.P=this.I;this.fa=this.ia;Oi(this,Ai,this.P);Oi(this,Gi,this.fa);Pi(this);this.G=Array(this.Fa);for(b=0;b<this.Fa;b++)Qi(this,b);this.gc=Array(this.ra);Ri(this,0,32);1<this.ra&&Ri(this,1,160);this.Sa=this.Da=null;this.K=Array(5180==(this.ca|0)?6:3);for(b=0;b<this.K.length;b++)Si(this,b);this.qa=this.La=this.R=this.Ea=null;this.pa=0;if(this.ca>=Re){this.D=16;this.W=0;this.S=16;this.xa=0;this.Y=160;512<=Ti(this)&&(this.Y|=16);3==Ui(this)&&(this.Y|=64);5180==(this.ca|0)&&