# HG changeset patch
# User Daniel O'Connor <darius@dons.net.au>
# Date 1384950922 -37800
# Node ID e9efe3ddc9a7083479891ebd0e6aa56cff11efde
# Parent  b686ad203c1ee8d445a2606e102b71d0c58b52dc
Add TinyCAD schematic and VeeCAD layout.

diff -r b686ad203c1e -r e9efe3ddc9a7 hw/iec1107.dsn
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hw/iec1107.dsn	Wed Nov 20 23:05:22 2013 +1030
@@ -0,0 +1,584 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--This file was written by TinyCAD Version 2.80.03 Build #514 Production Release
+If you wish to view this file go to http://tinycad.sourceforge.net to
+download a copy.-->
+<TinyCADSheets>
+	<TinyCAD>
+		<NAME>Sheet 1</NAME>
+		<DETAILS>
+			<Size width='1485' height='1050'/>
+			<GUIDES horiz='7' vert='5'/>
+			<TITLE>IEC1107</TITLE>
+			<AUTHOR>Daniel O&#039;Connor</AUTHOR>
+			<REVISION>1.0</REVISION>
+			<DOCNUMBER></DOCNUMBER>
+			<ORGANISATION></ORGANISATION>
+			<SHEETS>1 of 1</SHEETS>
+			<SHOWS>1</SHOWS>
+			<DATE></DATE>
+			<GRID spacing='50.00000' snap='1'/>
+		</DETAILS>
+		<FONT id='1'>
+			<HEIGHT>-10</HEIGHT>
+			<WIDTH>0</WIDTH>
+			<WEIGHT>400</WEIGHT>
+			<ITALIC>0</ITALIC>
+			<UNDERLINE>0</UNDERLINE>
+			<STRIKEOUT>0</STRIKEOUT>
+			<CHARSET>0</CHARSET>
+			<FACENAME>Arial</FACENAME>
+		</FONT>
+		<FONT id='3'>
+			<HEIGHT>-13</HEIGHT>
+			<WIDTH>6</WIDTH>
+			<WEIGHT>400</WEIGHT>
+			<ITALIC>0</ITALIC>
+			<UNDERLINE>0</UNDERLINE>
+			<STRIKEOUT>0</STRIKEOUT>
+			<CHARSET>0</CHARSET>
+			<FACENAME>Arial</FACENAME>
+		</FONT>
+		<STYLE id='2'>
+			<STYLE>0</STYLE>
+			<COLOR>000000</COLOR>
+			<THICKNESS>1</THICKNESS>
+		</STYLE>
+		<FILL id='0'>
+			<INDEX>-1</INDEX>
+			<COLOR>000000</COLOR>
+		</FILL>
+		<SYMBOLDEF id='1'>
+			<NAME type='0'>LM3900</NAME>
+			<REF type='0'>U?</REF>
+			<DESCRIPTION>Quad Norton Amplifier</DESCRIPTION>
+			<PPP>4</PPP>
+			<FIELD>
+				<NAME>$$SPICE_PROLOG_PRIORITY</NAME>
+				<DEFAULT>5</DEFAULT>
+				<FT>000002</FT>
+				<VALUE></VALUE>
+				<POS>0.00000,0.00000</POS>
+			</FIELD>
+			<FIELD>
+				<NAME>$$SPICE_EPILOG_PRIORITY</NAME>
+				<DEFAULT>5</DEFAULT>
+				<FT>000002</FT>
+				<VALUE></VALUE>
+				<POS>0.00000,0.00000</POS>
+			</FIELD>
+			<FIELD>
+				<NAME>Package</NAME>
+				<DEFAULT>DIP14</DEFAULT>
+				<FT>000001</FT>
+				<VALUE></VALUE>
+				<POS>0.00000,0.00000</POS>
+			</FIELD>
+			<REF_POINT power='0' part='0' pos='38.00000,32.00000'/>
+			<REF_POINT power='1' part='0' pos='37.00000,32.00000'/>
+			<TinyCAD>
+				<PIN pos='28.00000,20.00000' which='0' elec='4' direction='1' part='0' number='14' show='2' length='20' number_pos='0' centre_name='0'></PIN>
+				<PIN pos='20.00000,28.00000' which='0' elec='4' direction='3' part='0' number='1' show='3' length='20' number_pos='0' centre_name='0'>+</PIN>
+				<PIN pos='20.00000,24.00000' which='0' elec='4' direction='3' part='0' number='6' show='3' length='20' number_pos='0' centre_name='0'>-</PIN>
+				<PIN pos='28.00000,32.00000' which='0' elec='4' direction='0' part='0' number='7' show='2' length='20' number_pos='0' centre_name='0'></PIN>
+				<PIN pos='37.00000,26.00000' which='0' elec='4' direction='2' part='0' number='5' show='2' length='20' number_pos='0' centre_name='0'>OUTPUT</PIN>
+				<POLYGON pos='24.00000,22.00000' style='2' fill='0'>
+					<POINT pos='0.00000,0.00000' arc='0'/>
+					<POINT pos='9.00000,4.00000' arc='0'/>
+					<POINT pos='0.00000,8.00000' arc='0'/>
+					<POINT pos='0.00000,0.00000' arc='0'/>
+				</POLYGON>
+				<PIN pos='20.00000,28.00000' which='0' elec='4' direction='3' part='1' number='2' show='3' length='20' number_pos='0' centre_name='0'>+</PIN>
+				<PIN pos='20.00000,24.00000' which='0' elec='4' direction='3' part='1' number='3' show='3' length='20' number_pos='0' centre_name='0'>-</PIN>
+				<PIN pos='37.00000,26.00000' which='0' elec='4' direction='2' part='1' number='4' show='2' length='20' number_pos='0' centre_name='0'>OUTPUT</PIN>
+				<PIN pos='20.00000,28.00000' which='0' elec='4' direction='3' part='2' number='13' show='3' length='20' number_pos='0' centre_name='0'>+</PIN>
+				<PIN pos='20.00000,24.00000' which='0' elec='4' direction='3' part='2' number='8' show='3' length='20' number_pos='0' centre_name='0'>-</PIN>
+				<PIN pos='37.00000,26.00000' which='0' elec='4' direction='2' part='2' number='9' show='2' length='20' number_pos='0' centre_name='0'>OUTPUT</PIN>
+				<PIN pos='20.00000,28.00000' which='0' elec='4' direction='3' part='3' number='12' show='3' length='20' number_pos='0' centre_name='0'>+</PIN>
+				<PIN pos='20.00000,24.00000' which='0' elec='4' direction='3' part='3' number='11' show='3' length='20' number_pos='0' centre_name='0'>-</PIN>
+				<PIN pos='37.00000,26.00000' which='0' elec='4' direction='2' part='3' number='10' show='2' length='20' number_pos='0' centre_name='0'>OUTPUT</PIN>
+			</TinyCAD>
+		</SYMBOLDEF>
+		<SYMBOLDEF id='2'>
+			<NAME type='0'>C-ELECTRO</NAME>
+			<REF type='0'>C?</REF>
+			<DESCRIPTION>Capacitor Electrolytic</DESCRIPTION>
+			<PPP>1</PPP>
+			<FIELD>
+				<NAME>$$SPICE_PROLOG_PRIORITY</NAME>
+				<DEFAULT>5</DEFAULT>
+				<FT>000002</FT>
+				<VALUE></VALUE>
+				<POS>0.00000,0.00000</POS>
+			</FIELD>
+			<FIELD>
+				<NAME>$$SPICE_EPILOG_PRIORITY</NAME>
+				<DEFAULT>5</DEFAULT>
+				<FT>000002</FT>
+				<VALUE></VALUE>
+				<POS>0.00000,0.00000</POS>
+			</FIELD>
+			<FIELD>
+				<NAME>Package</NAME>
+				<DEFAULT>package name for PCB layout</DEFAULT>
+				<FT>000001</FT>
+				<VALUE></VALUE>
+				<POS>0.00000,0.00000</POS>
+			</FIELD>
+			<REF_POINT power='0' part='0' pos='26.00000,28.00000'/>
+			<TinyCAD>
+				<PIN pos='22.00000,28.00000' which='0' elec='0' direction='0' part='0' number='1' show='3' length='12' number_pos='0' centre_name='0'></PIN>
+				<PIN pos='22.00000,22.00000' which='0' elec='0' direction='1' part='0' number='2' show='1' length='10' number_pos='0' centre_name='0'></PIN>
+				<POLYGON pos='20.00000,25.00000' style='2' fill='0'>
+					<POINT pos='4.00000,0.63680' arc='0'/>
+					<POINT pos='0.00000,0.63680' arc='0'/>
+					<POINT pos='0.00000,0.00000' arc='0'/>
+					<POINT pos='4.00000,0.00000' arc='0'/>
+					<POINT pos='4.00000,0.63680' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='23.20000,27.00000' style='2' fill='0'>
+					<POINT pos='1.50113,0.00000' arc='0'/>
+					<POINT pos='0.06013,0.00000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='24.00000,26.40000' style='2' fill='0'>
+					<POINT pos='0.00000,0.00747' arc='0'/>
+					<POINT pos='0.00000,1.24683' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='20.00000,24.00000' style='2' fill='0'>
+					<POINT pos='0.00000,0.00000' arc='0'/>
+					<POINT pos='4.00000,0.00000' arc='0'/>
+				</POLYGON>
+			</TinyCAD>
+		</SYMBOLDEF>
+		<SYMBOLDEF id='3'>
+			<NAME type='0'>R</NAME>
+			<REF type='0'>R?</REF>
+			<DESCRIPTION>Resistor</DESCRIPTION>
+			<PPP>1</PPP>
+			<FIELD>
+				<NAME>$$SPICE_PROLOG_PRIORITY</NAME>
+				<DEFAULT>5</DEFAULT>
+				<FT>000002</FT>
+				<VALUE></VALUE>
+				<POS>0.00000,0.00000</POS>
+			</FIELD>
+			<FIELD>
+				<NAME>$$SPICE_EPILOG_PRIORITY</NAME>
+				<DEFAULT>5</DEFAULT>
+				<FT>000002</FT>
+				<VALUE></VALUE>
+				<POS>0.00000,0.00000</POS>
+			</FIELD>
+			<FIELD>
+				<NAME>Package</NAME>
+				<DEFAULT>AX3_1</DEFAULT>
+				<FT>000001</FT>
+				<VALUE></VALUE>
+				<POS>0.00000,0.00000</POS>
+			</FIELD>
+			<REF_POINT power='0' part='0' pos='23.00000,31.00000'/>
+			<TinyCAD>
+				<PIN pos='21.00000,21.00000' which='0' elec='4' direction='1' part='0' number='1' show='0' length='15' number_pos='0' centre_name='0'></PIN>
+				<PIN pos='21.00000,31.00000' which='0' elec='4' direction='0' part='0' number='2' show='0' length='15' number_pos='0' centre_name='0'></PIN>
+				<RECTANGLE a='20.00000,24.00000' b='22.00000,28.00000' style='2' fill='0'/>
+			</TinyCAD>
+		</SYMBOLDEF>
+		<SYMBOLDEF id='4'>
+			<NAME type='0'>LED</NAME>
+			<REF type='0'>D?</REF>
+			<DESCRIPTION>Light Emitting Diode</DESCRIPTION>
+			<PPP>1</PPP>
+			<FIELD>
+				<NAME>$$SPICE_PROLOG_PRIORITY</NAME>
+				<DEFAULT>5</DEFAULT>
+				<FT>000002</FT>
+				<VALUE></VALUE>
+				<POS>0.00000,0.00000</POS>
+			</FIELD>
+			<FIELD>
+				<NAME>$$SPICE_EPILOG_PRIORITY</NAME>
+				<DEFAULT>5</DEFAULT>
+				<FT>000002</FT>
+				<VALUE></VALUE>
+				<POS>0.00000,0.00000</POS>
+			</FIELD>
+			<FIELD>
+				<NAME>Package</NAME>
+				<DEFAULT>LED</DEFAULT>
+				<FT>000001</FT>
+				<VALUE></VALUE>
+				<POS>0.00000,0.00000</POS>
+			</FIELD>
+			<REF_POINT power='0' part='0' pos='27.00000,34.00000'/>
+			<TinyCAD>
+				<PIN pos='23.00000,20.00000' which='0' elec='0' direction='1' part='0' number='1' show='3' length='30' number_pos='0' centre_name='0'></PIN>
+				<PIN pos='23.00000,34.00000' which='0' elec='0' direction='0' part='0' number='2' show='3' length='30' number_pos='0' centre_name='0'></PIN>
+				<POLYGON pos='21.00000,28.00000' style='2' fill='0'>
+					<POINT pos='0.00000,0.00000' arc='0'/>
+					<POINT pos='4.00000,0.00000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='23.00000,26.00000' style='2' fill='0'>
+					<POINT pos='2.00000,2.00000' arc='0'/>
+					<POINT pos='0.00000,0.00000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='21.00000,26.00000' style='2' fill='0'>
+					<POINT pos='2.00000,0.00000' arc='0'/>
+					<POINT pos='0.00000,2.00000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='21.00000,26.00000' style='2' fill='0'>
+					<POINT pos='0.00000,0.00000' arc='0'/>
+					<POINT pos='4.00000,0.00000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='26.60000,22.40000' style='2' fill='0'>
+					<POINT pos='0.00000,1.00000' arc='0'/>
+					<POINT pos='0.40000,0.00000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='26.00000,22.80000' style='2' fill='0'>
+					<POINT pos='0.00000,0.00000' arc='0'/>
+					<POINT pos='0.60000,0.60000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='26.00000,22.40000' style='2' fill='0'>
+					<POINT pos='1.00000,0.00000' arc='0'/>
+					<POINT pos='0.00000,0.40000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='25.00000,22.40000' style='2' fill='0'>
+					<POINT pos='0.00000,2.00000' arc='0'/>
+					<POINT pos='2.00000,0.00000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='25.60000,21.60000' style='2' fill='0'>
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+					<POINT pos='0.40000,0.00000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='25.00000,22.00000' style='2' fill='0'>
+					<POINT pos='0.00000,0.00000' arc='0'/>
+					<POINT pos='0.60000,0.60000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='25.00000,21.60000' style='2' fill='0'>
+					<POINT pos='1.00000,0.00000' arc='0'/>
+					<POINT pos='0.00000,0.40000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='24.00000,21.60000' style='2' fill='0'>
+					<POINT pos='0.00000,2.00000' arc='0'/>
+					<POINT pos='2.00000,0.00000' arc='0'/>
+				</POLYGON>
+				<ELLIPSE a='20.00000,24.00000' b='26.00000,30.00000' style='2' fill='0'/>
+			</TinyCAD>
+		</SYMBOLDEF>
+		<SYMBOLDEF id='5'>
+			<NAME type='0'>Photodiode</NAME>
+			<REF type='0'>D?</REF>
+			<DESCRIPTION>Photodiode</DESCRIPTION>
+			<PPP>1</PPP>
+			<FIELD>
+				<NAME>$$SPICE_PROLOG_PRIORITY</NAME>
+				<DEFAULT>5</DEFAULT>
+				<FT>000002</FT>
+				<VALUE></VALUE>
+				<POS>0.00000,0.00000</POS>
+			</FIELD>
+			<FIELD>
+				<NAME>$$SPICE_EPILOG_PRIORITY</NAME>
+				<DEFAULT>5</DEFAULT>
+				<FT>000002</FT>
+				<VALUE></VALUE>
+				<POS>0.00000,0.00000</POS>
+			</FIELD>
+			<FIELD>
+				<NAME>Package</NAME>
+				<DEFAULT>LED</DEFAULT>
+				<FT>000001</FT>
+				<VALUE></VALUE>
+				<POS>0.00000,0.00000</POS>
+			</FIELD>
+			<REF_POINT power='0' part='0' pos='29.00000,34.00000'/>
+			<TinyCAD>
+				<PIN pos='23.00000,20.00000' which='0' elec='0' direction='1' part='0' number='1' show='3' length='30' number_pos='0' centre_name='0'></PIN>
+				<PIN pos='23.00000,34.00000' which='0' elec='0' direction='0' part='0' number='2' show='3' length='30' number_pos='0' centre_name='0'></PIN>
+				<POLYGON pos='21.00000,28.00000' style='2' fill='0'>
+					<POINT pos='0.00000,0.00000' arc='0'/>
+					<POINT pos='4.00000,0.00000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='23.00000,26.00000' style='2' fill='0'>
+					<POINT pos='2.00000,2.00000' arc='0'/>
+					<POINT pos='0.00000,0.00000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='21.00000,26.00000' style='2' fill='0'>
+					<POINT pos='2.00000,0.00000' arc='0'/>
+					<POINT pos='0.00000,2.00000' arc='0'/>
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+				<POLYGON pos='21.00000,26.00000' style='2' fill='0'>
+					<POINT pos='0.00000,0.00000' arc='0'/>
+					<POINT pos='4.00000,0.00000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='25.00000,22.60000' style='2' fill='0'>
+					<POINT pos='0.40000,0.00000' arc='0'/>
+					<POINT pos='0.00000,1.00000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='25.40000,22.60000' style='2' fill='0'>
+					<POINT pos='0.60000,0.60000' arc='0'/>
+					<POINT pos='0.00000,0.00000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='25.00000,23.20000' style='2' fill='0'>
+					<POINT pos='0.00000,0.40000' arc='0'/>
+					<POINT pos='1.00000,0.00000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='25.00000,21.60000' style='2' fill='0'>
+					<POINT pos='2.00000,0.00000' arc='0'/>
+					<POINT pos='0.00000,2.00000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='26.00000,23.40000' style='2' fill='0'>
+					<POINT pos='0.40000,0.00000' arc='0'/>
+					<POINT pos='0.00000,1.00000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='26.40000,23.40000' style='2' fill='0'>
+					<POINT pos='0.60000,0.60000' arc='0'/>
+					<POINT pos='0.00000,0.00000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='26.00000,24.00000' style='2' fill='0'>
+					<POINT pos='0.00000,0.40000' arc='0'/>
+					<POINT pos='1.00000,0.00000' arc='0'/>
+				</POLYGON>
+				<POLYGON pos='26.00000,22.40000' style='2' fill='0'>
+					<POINT pos='2.00000,0.00000' arc='0'/>
+					<POINT pos='0.00000,2.00000' arc='0'/>
+				</POLYGON>
+				<ELLIPSE a='20.00000,24.00000' b='26.00000,30.00000' style='2' fill='0'/>
+			</TinyCAD>
+		</SYMBOLDEF>
+		<SYMBOLDEF id='7'>
+			<NAME type='0'>Conn_6</NAME>
+			<REF type='0'>J?</REF>
+			<DESCRIPTION>Connector 6 Pin</DESCRIPTION>
+			<PPP>1</PPP>
+			<FIELD>
+				<NAME>$$SPICE_PROLOG_PRIORITY</NAME>
+				<DEFAULT>5</DEFAULT>
+				<FT>000002</FT>
+				<VALUE></VALUE>
+				<POS>0.00000,0.00000</POS>
+			</FIELD>
+			<FIELD>
+				<NAME>$$SPICE_EPILOG_PRIORITY</NAME>
+				<DEFAULT>5</DEFAULT>
+				<FT>000002</FT>
+				<VALUE></VALUE>
+				<POS>0.00000,0.00000</POS>
+			</FIELD>
+			<FIELD>
+				<NAME>Package</NAME>
+				<DEFAULT>SIP6</DEFAULT>
+				<FT>000001</FT>
+				<VALUE></VALUE>
+				<POS>0.00000,0.00000</POS>
+			</FIELD>
+			<REF_POINT power='0' part='0' pos='28.00000,40.00000'/>
+			<TinyCAD>
+				<PIN pos='20.00000,22.00000' which='0' elec='0' direction='3' part='0' number='1' show='3' length='30' number_pos='0' centre_name='0'></PIN>
+				<PIN pos='20.00000,25.00000' which='0' elec='0' direction='3' part='0' number='2' show='3' length='30' number_pos='0' centre_name='0'></PIN>
+				<PIN pos='20.00000,28.00000' which='0' elec='0' direction='3' part='0' number='3' show='3' length='30' number_pos='0' centre_name='0'></PIN>
+				<PIN pos='20.00000,31.00000' which='0' elec='0' direction='3' part='0' number='4' show='3' length='30' number_pos='0' centre_name='0'></PIN>
+				<PIN pos='20.00000,34.00000' which='0' elec='0' direction='3' part='0' number='5' show='3' length='30' number_pos='0' centre_name='0'></PIN>
+				<PIN pos='20.00000,37.00000' which='0' elec='0' direction='3' part='0' number='6' show='3' length='30' number_pos='0' centre_name='0'></PIN>
+				<RECTANGLE a='24.00000,20.00000' b='28.00000,39.00000' style='2' fill='0'/>
+			</TinyCAD>
+		</SYMBOLDEF>
+		<SYMBOLDEF id='8'>
+			<NAME type='0'>RV</NAME>
+			<REF type='0'>VR?</REF>
+			<DESCRIPTION>Resistor Variable</DESCRIPTION>
+			<PPP>1</PPP>
+			<FIELD>
+				<NAME>$$SPICE_PROLOG_PRIORITY</NAME>
+				<DEFAULT>5</DEFAULT>
+				<FT>000002</FT>
+				<VALUE></VALUE>
+				<POS>0.00000,0.00000</POS>
+			</FIELD>
+			<FIELD>
+				<NAME>$$SPICE_EPILOG_PRIORITY</NAME>
+				<DEFAULT>5</DEFAULT>
+				<FT>000002</FT>
+				<VALUE></VALUE>
+				<POS>0.00000,0.00000</POS>
+			</FIELD>
+			<FIELD>
+				<NAME>Package</NAME>
+				<DEFAULT>SIP3</DEFAULT>
+				<FT>000001</FT>
+				<VALUE></VALUE>
+				<POS>0.00000,0.00000</POS>
+			</FIELD>
+			<REF_POINT power='0' part='0' pos='30.00000,34.00000'/>
+			<TinyCAD>
+				<PIN pos='29.00000,23.00000' which='0' elec='4' direction='1' part='0' number='3' show='2' length='15' number_pos='0' centre_name='0'></PIN>
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+				<PIN pos='24.00000,29.00000' which='0' elec='4' direction='3' part='0' number='2' show='2' length='15' number_pos='0' centre_name='0'></PIN>
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+			</TinyCAD>
+		</SYMBOLDEF>
+		<OPTIONS>
+			<GRID>0</GRID>
+			<UNITS>0</UNITS>
+			<COLOR_WIRE>FF0000</COLOR_WIRE>
+			<COLOR_BUS>0000FF</COLOR_BUS>
+			<COLOR_JUNCTION>000000</COLOR_JUNCTION>
+			<COLOR_NOCONNECT>000000</COLOR_NOCONNECT>
+			<COLOR_LABEL>208000</COLOR_LABEL>
+			<COLOR_POWER>000000</COLOR_POWER>
+			<COLOR_PIN>4040C0</COLOR_PIN>
+			<COLOR_HIDDEN_PIN>208020</COLOR_HIDDEN_PIN>
+			<COLOR_BACKGROUND>FFFFFF</COLOR_BACKGROUND>
+		</OPTIONS>
+		<SYMBOL id='1' pos='184.00000,172.00000' part='0' rotate='0' can_scale='0' show_power='0' scale_x='1.00000' scale_y='1.00000'>
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+			<FIELD type='0' description='Name' value='LM3900' show='1' pos='-7.00000,-10.00000'/>
+			<FIELD type='2' description='$$SPICE_PROLOG_PRIORITY' value='5' show='0' pos='0.00000,0.00000'/>
+			<FIELD type='2' description='$$SPICE_EPILOG_PRIORITY' value='5' show='0' pos='0.00000,0.00000'/>
+			<FIELD type='1' description='Package' value='DIP14' show='0' pos='1.00000,-5.20000'/>
+		</SYMBOL>
+		<SYMBOL id='2' pos='151.00000,160.00000' part='0' rotate='5' can_scale='0' show_power='0' scale_x='1.00000' scale_y='1.00000'>
+			<FIELD type='0' description='Ref' value='C1' show='1' pos='-1.00000,0.40000'/>
+			<FIELD type='0' description='Name' value='C-ELECTRO' show='1' pos='1.00000,-3.00000'/>
+			<FIELD type='2' description='$$SPICE_PROLOG_PRIORITY' value='5' show='0' pos='0.00000,0.00000'/>
+			<FIELD type='2' description='$$SPICE_EPILOG_PRIORITY' value='5' show='0' pos='0.00000,0.00000'/>
+			<FIELD type='1' description='Package' value='package name for PCB layout' show='0' pos='1.00000,0.80000'/>
+		</SYMBOL>
+		<SYMBOL id='3' pos='190.00000,182.00000' part='0' rotate='0' can_scale='0' show_power='0' scale_x='1.00000' scale_y='1.00000'>
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+			<FIELD type='2' description='$$SPICE_EPILOG_PRIORITY' value='5' show='0' pos='0.00000,0.00000'/>
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+		</SYMBOL>
+		<SYMBOL id='3' pos='146.00000,176.00000' part='0' rotate='0' can_scale='0' show_power='0' scale_x='1.00000' scale_y='1.00000'>
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+			<FIELD type='1' description='Package' value='AX3_1' show='0' pos='1.00000,-3.20000'/>
+		</SYMBOL>
+		<SYMBOL id='3' pos='132.00000,164.00000' part='0' rotate='0' can_scale='0' show_power='0' scale_x='1.00000' scale_y='1.00000'>
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+			<FIELD type='1' description='Package' value='AX3_1' show='0' pos='1.00000,-3.20000'/>
+		</SYMBOL>
+		<SYMBOL id='4' pos='191.00000,197.00000' part='0' rotate='5' can_scale='0' show_power='0' scale_x='1.00000' scale_y='1.00000'>
+			<FIELD type='0' description='Ref' value='D2' show='1' pos='1.00000,-9.60000'/>
+			<FIELD type='0' description='Name' value='LED' show='1' pos='1.00000,-12.00000'/>
+			<FIELD type='2' description='$$SPICE_PROLOG_PRIORITY' value='5' show='0' pos='0.00000,0.00000'/>
+			<FIELD type='2' description='$$SPICE_EPILOG_PRIORITY' value='5' show='0' pos='0.00000,0.00000'/>
+			<FIELD type='1' description='Package' value='LED' show='0' pos='1.00000,-7.20000'/>
+		</SYMBOL>
+		<SYMBOL id='5' pos='136.00000,178.00000' part='0' rotate='0' can_scale='0' show_power='0' scale_x='1.00000' scale_y='1.00000'>
+			<FIELD type='0' description='Ref' value='D1' show='1' pos='-1.00000,-5.60000'/>
+			<FIELD type='0' description='Name' value='Photodiode' show='1' pos='-5.00000,-2.00000'/>
+			<FIELD type='2' description='$$SPICE_PROLOG_PRIORITY' value='5' show='0' pos='0.00000,0.00000'/>
+			<FIELD type='2' description='$$SPICE_EPILOG_PRIORITY' value='5' show='0' pos='0.00000,0.00000'/>
+			<FIELD type='1' description='Package' value='LED' show='0' pos='1.00000,-7.20000'/>
+		</SYMBOL>
+		<WIRE a='130.00000,164.00000' b='144.00000,164.00000'/>
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+		<SYMBOL id='7' pos='224.00000,172.00000' part='0' rotate='0' can_scale='0' show_power='0' scale_x='1.00000' scale_y='1.00000'>
+			<FIELD type='0' description='Ref' value='J1' show='1' pos='1.00000,-15.60000'/>
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+			<FIELD type='1' description='Package' value='SIP6' show='0' pos='1.00000,-13.20000'/>
+		</SYMBOL>
+		<LABEL pos='134.00000,186.00000' direction='3' font='3' color='208000' style='0'>GND</LABEL>
+		<LABEL pos='136.00000,154.00000' direction='3' font='3' color='208000' style='0'>VCC</LABEL>
+		<LABEL pos='206.00000,160.00000' direction='3' font='3' color='208000' style='0'>VCC</LABEL>
+		<LABEL pos='206.00000,154.00000' direction='3' font='3' color='208000' style='0'>GND</LABEL>
+		<LABEL pos='194.00000,166.00000' direction='3' font='3' color='208000' style='0'>RXD</LABEL>
+		<WIRE a='216.00000,154.00000' b='206.00000,154.00000'/>
+		<WIRE a='216.00000,160.00000' b='206.00000,160.00000'/>
+		<WIRE a='216.00000,166.00000' b='183.00000,166.00000'/>
+		<WIRE a='216.00000,163.00000' b='188.00000,163.00000'/>
+		<LABEL pos='206.00000,163.00000' direction='3' font='3' color='208000' style='0'>TXD</LABEL>
+		<WIRE a='188.00000,163.00000' b='188.00000,172.00000'/>
+		<SYMBOL id='1' pos='210.00000,148.00000' part='1' rotate='0' can_scale='0' show_power='0' scale_x='1.00000' scale_y='1.00000'>
+			<FIELD type='0' description='Ref' value='U1' show='1' pos='-9.00000,0.40000'/>
+			<FIELD type='0' description='Name' value='LM3900' show='1' pos='-11.00000,-7.00000'/>
+			<FIELD type='2' description='$$SPICE_PROLOG_PRIORITY' value='5' show='0' pos='0.00000,0.00000'/>
+			<FIELD type='2' description='$$SPICE_EPILOG_PRIORITY' value='5' show='0' pos='0.00000,0.00000'/>
+			<FIELD type='1' description='Package' value='DIP14' show='0' pos='1.00000,-5.20000'/>
+		</SYMBOL>
+		<SYMBOL id='1' pos='177.00000,148.00000' part='2' rotate='0' can_scale='0' show_power='0' scale_x='1.00000' scale_y='1.00000'>
+			<FIELD type='0' description='Ref' value='U1' show='1' pos='-9.00000,1.40000'/>
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+			<FIELD type='2' description='$$SPICE_EPILOG_PRIORITY' value='5' show='0' pos='0.00000,0.00000'/>
+			<FIELD type='1' description='Package' value='DIP14' show='0' pos='1.00000,-5.20000'/>
+		</SYMBOL>
+		<SYMBOL id='1' pos='149.00000,147.00000' part='3' rotate='0' can_scale='0' show_power='0' scale_x='1.00000' scale_y='1.00000'>
+			<FIELD type='0' description='Ref' value='U1' show='1' pos='-10.00000,1.40000'/>
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+			<FIELD type='1' description='Package' value='DIP14' show='0' pos='1.00000,-5.20000'/>
+		</SYMBOL>
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+		<JUNCTION pos='130.00000,178.00000'/>
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+			<FIELD type='0' description='Ref' value='VR1' show='1' pos='1.00000,-6.60000'/>
+			<FIELD type='0' description='Name' value='RV' show='1' pos='1.00000,-9.00000'/>
+			<FIELD type='2' description='$$SPICE_PROLOG_PRIORITY' value='5' show='0' pos='0.00000,0.00000'/>
+			<FIELD type='2' description='$$SPICE_EPILOG_PRIORITY' value='5' show='0' pos='0.00000,0.00000'/>
+			<FIELD type='1' description='Package' value='SIP3' show='0' pos='1.00000,-4.20000'/>
+		</SYMBOL>
+		<WIRE a='163.00000,168.00000' b='163.00000,179.00000'/>
+		<JUNCTION pos='150.00000,154.00000'/>
+	</TinyCAD>
+</TinyCADSheets>
diff -r b686ad203c1e -r e9efe3ddc9a7 hw/iec1107.per
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hw/iec1107.per	Wed Nov 20 23:05:22 2013 +1030
@@ -0,0 +1,217 @@
+[Version]
+Product,2
+File,16
+{
+"Config" : {
+  "NetImportFormat" : "Protel"
+},
+"Board" : {
+  "Width" : 25,
+  "Height" : 12,
+  "Pattern" : "Strip"
+},
+"CelledOutlines" : [
+  { "Name" : "DIP14", "Locked" : false,
+    "Rows" : [
+    [{"Pin" : "1"},"Free","Free",{"Pin" : "14"}],
+    [{"Pin" : "2"},"Body","Body",{"Pin" : "13"}],
+    [{"Pin" : "3"},"Body","Body",{"Pin" : "12"}],
+    [{"Pin" : "4"},"Body","Body",{"Pin" : "11"}],
+    [{"Pin" : "5"},"Body","Body",{"Pin" : "10"}],
+    [{"Pin" : "6"},"Body","Body",{"Pin" : "9"}],
+    [{"Pin" : "7"},"Body","Body",{"Pin" : "8"}]
+    ]
+  },
+  { "Name" : "package name for PCB layout", "Locked" : false,
+    "Rows" : [
+    ["Body","Free","Body"],
+    ["Body","Body","Body"]
+    ]
+  },
+  { "Name" : "SIP3", "Locked" : false,
+    "Rows" : [
+    [{"Pin" : "1"}],
+    [{"Pin" : "2"}],
+    [{"Pin" : "3"}]
+    ]
+  },
+  { "Name" : "SIP6", "Locked" : false,
+    "Rows" : [
+    [{"Pin" : "1"}],
+    [{"Pin" : "2"}],
+    [{"Pin" : "3"}],
+    [{"Pin" : "4"}],
+    [{"Pin" : "5"}],
+    [{"Pin" : "6"}]
+    ]
+  }
+],
+"LeadedOutlines" : [
+  { "Name" : "AX3_1", "Locked" : false,
+    "BodyLength" : 3, "BodyWidth" : 1,
+    "Pin0Name" : "1", "Pin1Name" : "2", "ShowReference" : true
+  }
+],
+"RadialOutlines" : [
+],
+"CustomOutlines" : [
+  { "Name" : "LED", "Locked" : false,
+    "Pins" : [
+    { "Name" : "1", "X5" : 7, "Y5" : 2 },
+    { "Name" : "2", "X5" : 7, "Y5" : 7 }
+    ],
+    "Lines" : [
+    { "X5" : 4, "Y5" : 0, "DX5" : 6, "DY5" : 0},
+    { "X5" : 11, "Y5" : 1, "DX5" : 1, "DY5" : 2},
+    { "X5" : 6, "Y5" : 9, "DX5" : -2, "DY5" : -1},
+    { "X5" : 2, "Y5" : 3, "DX5" : 1, "DY5" : -2},
+    { "X5" : 2, "Y5" : 5, "DX5" : 1, "DY5" : 2},
+    { "X5" : 3, "Y5" : 7, "DX5" : 1, "DY5" : 1},
+    { "X5" : 11, "Y5" : 7, "DX5" : 1, "DY5" : -2},
+    { "X5" : 12, "Y5" : 5, "DX5" : 0, "DY5" : -2},
+    { "X5" : 10, "Y5" : 0, "DX5" : 1, "DY5" : 1},
+    { "X5" : 4, "Y5" : 0, "DX5" : -1, "DY5" : 1},
+    { "X5" : 10, "Y5" : 8, "DX5" : 1, "DY5" : -1},
+    { "X5" : 2, "Y5" : 3, "DX5" : 0, "DY5" : 2},
+    { "X5" : 8, "Y5" : 9, "DX5" : 2, "DY5" : -1},
+    { "X5" : 6, "Y5" : 9, "DX5" : 2, "DY5" : 0}
+    ]
+  }
+],
+"SmdOutlines" : [
+],
+"Components" : [
+  { "Designator" : "U1", "Value" : "LM3900", "Outline" : "DIP14",
+  "X1000" : 11000, "Y1000" : 3000, "EndDeltaX" : 0, "EndDeltaY" : 1,
+  "Text" : { "X" : 1, "Y" : -1, "Angle" : 0, "Visible" : true },
+  "Group" : 0
+  },
+  { "Designator" : "C1", "Value" : "C-ELECTRO", "Outline" : "package name for PCB layout",
+  "X1000" : 23000, "Y1000" : 3000, "EndDeltaX" : -1, "EndDeltaY" : 0,
+  "Text" : { "X" : -1, "Y" : 0, "Angle" : 0, "Visible" : true },
+  "Group" : 0
+  },
+  { "Designator" : "R4", "Value" : "R", "Outline" : "AX3_1",
+  "X1000" : 18000, "Y1000" : 6000, "EndDeltaX" : 0, "EndDeltaY" : 5,
+  "Text" : { "X" : 0, "Y" : -1, "Angle" : 0, "Visible" : true },
+  "Group" : 0
+  },
+  { "Designator" : "D1", "Value" : "Photodiode", "Outline" : "LED",
+  "X1000" : 0, "Y1000" : 8000, "EndDeltaX" : 0, "EndDeltaY" : 1,
+  "Text" : { "X" : 1, "Y" : 2, "Angle" : 0, "Visible" : true },
+  "Group" : 0
+  },
+  { "Designator" : "J1", "Value" : "Conn_6", "Outline" : "SIP6",
+  "X1000" : 20000, "Y1000" : 3000, "EndDeltaX" : 0, "EndDeltaY" : 1,
+  "Text" : { "X" : -1, "Y" : 0, "Angle" : 0, "Visible" : true },
+  "Group" : 0
+  },
+  { "Designator" : "VR1", "Value" : "RV", "Outline" : "SIP3",
+  "X1000" : 2000, "Y1000" : 2000, "EndDeltaX" : 0, "EndDeltaY" : 1,
+  "Text" : { "X" : 2, "Y" : 0, "Angle" : 0, "Visible" : true },
+  "Group" : 0
+  },
+  { "Designator" : "R2", "Value" : "R", "Outline" : "AX3_1",
+  "X1000" : 7000, "Y1000" : 3000, "EndDeltaX" : 0, "EndDeltaY" : 5,
+  "Text" : { "X" : 1, "Y" : 2, "Angle" : 0, "Visible" : true },
+  "Group" : 0
+  },
+  { "Designator" : "R1", "Value" : "R", "Outline" : "AX3_1",
+  "X1000" : 6000, "Y1000" : 4000, "EndDeltaX" : 0, "EndDeltaY" : 5,
+  "Text" : { "X" : 0, "Y" : -1, "Angle" : 0, "Visible" : true },
+  "Group" : 0
+  },
+  { "Designator" : "D2", "Value" : "LED", "Outline" : "LED",
+  "X1000" : 22000, "Y1000" : 10000, "EndDeltaX" : 0, "EndDeltaY" : 1,
+  "Text" : { "X" : 1, "Y" : -1, "Angle" : 0, "Visible" : true },
+  "Group" : 0
+  }
+],
+"Links" : [
+  { "X" : 8, "Y" : 2, "EndDeltaX" : 0, "EndDeltaY" : 1, "Group" : 0 },
+  { "X" : 10, "Y" : 4, "EndDeltaX" : 0, "EndDeltaY" : 1, "Group" : 0 },
+  { "X" : 5, "Y" : 4, "EndDeltaX" : 0, "EndDeltaY" : 4, "Group" : 0 },
+  { "X" : 15, "Y" : 2, "EndDeltaX" : 0, "EndDeltaY" : 1, "Group" : 0 },
+  { "X" : 15, "Y" : 5, "EndDeltaX" : 0, "EndDeltaY" : 1, "Group" : 0 },
+  { "X" : 3, "Y" : 4, "EndDeltaX" : 0, "EndDeltaY" : 5, "Group" : 0 },
+  { "X" : 21, "Y" : 3, "EndDeltaX" : 0, "EndDeltaY" : 7, "Group" : 0 },
+  { "X" : 24, "Y" : 2, "EndDeltaX" : 0, "EndDeltaY" : 3, "Group" : 0 },
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