diff --git a/cores/BBCMicro/BeebFpga.xise b/cores/BBCMicro/BeebFpga.xise
deleted file mode 100644
index 1ae4372..0000000
--- a/cores/BBCMicro/BeebFpga.xise
+++ /dev/null
@@ -1,470 +0,0 @@
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-    <property xil_pn:name="Instantiation Template Target Language Xps" xil_pn:value="VHDL" xil_pn:valueState="default"/>
-    <property xil_pn:name="JTAG Pin TCK" xil_pn:value="Pull Up" xil_pn:valueState="default"/>
-    <property xil_pn:name="JTAG Pin TDI" xil_pn:value="Pull Up" xil_pn:valueState="default"/>
-    <property xil_pn:name="JTAG Pin TDO" xil_pn:value="Pull Up" xil_pn:valueState="default"/>
-    <property xil_pn:name="JTAG Pin TMS" xil_pn:value="Pull Up" xil_pn:valueState="default"/>
-    <property xil_pn:name="Keep Hierarchy" xil_pn:value="No" xil_pn:valueState="default"/>
-    <property xil_pn:name="LUT Combining Map" xil_pn:value="Off" xil_pn:valueState="default"/>
-    <property xil_pn:name="LUT Combining Xst" xil_pn:value="Auto" xil_pn:valueState="default"/>
-    <property xil_pn:name="Language" xil_pn:value="VHDL" xil_pn:valueState="default"/>
-    <property xil_pn:name="Last Applied Goal" xil_pn:value="Balanced" xil_pn:valueState="default"/>
-    <property xil_pn:name="Last Applied Strategy" xil_pn:value="Xilinx Default (unlocked)" xil_pn:valueState="default"/>
-    <property xil_pn:name="Last Unlock Status" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Launch SDK after Export" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="Library for Verilog Sources" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Load glbl" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="Manual Implementation Compile Order" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Map Slice Logic into Unused Block RAMs" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Mask Pins for Multi-Pin Wake-Up Suspend Mode spartan6" xil_pn:value="0x00" xil_pn:valueState="default"/>
-    <property xil_pn:name="Max Fanout" xil_pn:value="100000" xil_pn:valueState="default"/>
-    <property xil_pn:name="Maximum Compression" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Maximum Number of Lines in Report" xil_pn:value="1000" xil_pn:valueState="default"/>
-    <property xil_pn:name="Maximum Signal Name Length" xil_pn:value="20" xil_pn:valueState="default"/>
-    <property xil_pn:name="Move First Flip-Flop Stage" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="Move Last Flip-Flop Stage" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="MultiBoot: Insert IPROG CMD in the Bitfile spartan6" xil_pn:value="Enable" xil_pn:valueState="default"/>
-    <property xil_pn:name="MultiBoot: Next Configuration Mode spartan6" xil_pn:value="001" xil_pn:valueState="default"/>
-    <property xil_pn:name="MultiBoot: Starting Address for Golden Configuration spartan6" xil_pn:value="0x00000000" xil_pn:valueState="default"/>
-    <property xil_pn:name="MultiBoot: Starting Address for Next Configuration spartan6" xil_pn:value="0x00000000" xil_pn:valueState="default"/>
-    <property xil_pn:name="MultiBoot: Use New Mode for Next Configuration spartan6" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="MultiBoot: User-Defined Register for Failsafe Scheme spartan6" xil_pn:value="0x0000" xil_pn:valueState="default"/>
-    <property xil_pn:name="Netlist Hierarchy" xil_pn:value="As Optimized" xil_pn:valueState="default"/>
-    <property xil_pn:name="Netlist Translation Type" xil_pn:value="Timestamp" xil_pn:valueState="default"/>
-    <property xil_pn:name="Number of Clock Buffers" xil_pn:value="16" xil_pn:valueState="default"/>
-    <property xil_pn:name="Number of Paths in Error/Verbose Report" xil_pn:value="3" xil_pn:valueState="default"/>
-    <property xil_pn:name="Number of Paths in Error/Verbose Report Post Trace" xil_pn:value="3" xil_pn:valueState="default"/>
-    <property xil_pn:name="Optimization Effort spartan6" xil_pn:value="Normal" xil_pn:valueState="default"/>
-    <property xil_pn:name="Optimization Goal" xil_pn:value="Speed" xil_pn:valueState="default"/>
-    <property xil_pn:name="Optimize Instantiated Primitives" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Other Bitgen Command Line Options" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Other Bitgen Command Line Options spartan6" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Other Compiler Options" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Other Compiler Options Map" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Other Compiler Options Par" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Other Compiler Options Translate" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Other Compxlib Command Line Options" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Other Map Command Line Options" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Other NETGEN Command Line Options" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Other Ngdbuild Command Line Options" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Other Place &amp; Route Command Line Options" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Other Simulator Commands Behavioral" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Other Simulator Commands Post-Map" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Other Simulator Commands Post-Route" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Other Simulator Commands Post-Translate" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Other XPWR Command Line Options" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Other XST Command Line Options" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Output Extended Identifiers" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Output File Name" xil_pn:value="bbc_micro" xil_pn:valueState="default"/>
-    <property xil_pn:name="Overwrite Compiled Libraries" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Pack I/O Registers into IOBs" xil_pn:value="Auto" xil_pn:valueState="default"/>
-    <property xil_pn:name="Pack I/O Registers/Latches into IOBs" xil_pn:value="Off" xil_pn:valueState="default"/>
-    <property xil_pn:name="Package" xil_pn:value="tqg144" xil_pn:valueState="default"/>
-    <property xil_pn:name="Perform Advanced Analysis" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Perform Advanced Analysis Post Trace" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Perform Timing-Driven Packing and Placement" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Place &amp; Route Effort Level (Overall)" xil_pn:value="High" xil_pn:valueState="default"/>
-    <property xil_pn:name="Place And Route Mode" xil_pn:value="Normal Place and Route" xil_pn:valueState="default"/>
-    <property xil_pn:name="Place MultiBoot Settings into Bitstream spartan6" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Placer Effort Level Map" xil_pn:value="High" xil_pn:valueState="default"/>
-    <property xil_pn:name="Placer Extra Effort Map" xil_pn:value="None" xil_pn:valueState="default"/>
-    <property xil_pn:name="Port to be used" xil_pn:value="Auto - default" xil_pn:valueState="default"/>
-    <property xil_pn:name="Post Map Simulation Model Name" xil_pn:value="bbc_micro_map.vhd" xil_pn:valueState="default"/>
-    <property xil_pn:name="Post Place &amp; Route Simulation Model Name" xil_pn:value="bbc_micro_timesim.vhd" xil_pn:valueState="default"/>
-    <property xil_pn:name="Post Synthesis Simulation Model Name" xil_pn:value="bbc_micro_synthesis.vhd" xil_pn:valueState="default"/>
-    <property xil_pn:name="Post Translate Simulation Model Name" xil_pn:value="bbc_micro_translate.vhd" xil_pn:valueState="default"/>
-    <property xil_pn:name="Power Reduction Map spartan6" xil_pn:value="Off" xil_pn:valueState="default"/>
-    <property xil_pn:name="Power Reduction Par" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Power Reduction Xst" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Preferred Language" xil_pn:value="VHDL" xil_pn:valueState="non-default"/>
-    <property xil_pn:name="Produce Verbose Report" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Project Description" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Property Specification in Project File" xil_pn:value="Store all values" xil_pn:valueState="default"/>
-    <property xil_pn:name="RAM Extraction" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="RAM Style" xil_pn:value="Auto" xil_pn:valueState="default"/>
-    <property xil_pn:name="ROM Extraction" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="ROM Style" xil_pn:value="Auto" xil_pn:valueState="default"/>
-    <property xil_pn:name="Read Cores" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="Reduce Control Sets" xil_pn:value="Auto" xil_pn:valueState="default"/>
-    <property xil_pn:name="Regenerate Core" xil_pn:value="Under Current Project Setting" xil_pn:valueState="default"/>
-    <property xil_pn:name="Register Balancing" xil_pn:value="No" xil_pn:valueState="default"/>
-    <property xil_pn:name="Register Duplication Map" xil_pn:value="Off" xil_pn:valueState="default"/>
-    <property xil_pn:name="Register Duplication Xst" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="Register Ordering spartan6" xil_pn:value="4" xil_pn:valueState="default"/>
-    <property xil_pn:name="Release Write Enable (Output Events)" xil_pn:value="Default (6)" xil_pn:valueState="default"/>
-    <property xil_pn:name="Rename Design Instance in Testbench File to" xil_pn:value="UUT" xil_pn:valueState="default"/>
-    <property xil_pn:name="Rename Top Level Architecture To" xil_pn:value="Structure" xil_pn:valueState="default"/>
-    <property xil_pn:name="Rename Top Level Entity to" xil_pn:value="bbc_micro" xil_pn:valueState="default"/>
-    <property xil_pn:name="Rename Top Level Module To" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Report Fastest Path(s) in Each Constraint" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="Report Fastest Path(s) in Each Constraint Post Trace" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="Report Paths by Endpoint" xil_pn:value="3" xil_pn:valueState="default"/>
-    <property xil_pn:name="Report Paths by Endpoint Post Trace" xil_pn:value="3" xil_pn:valueState="default"/>
-    <property xil_pn:name="Report Type" xil_pn:value="Verbose Report" xil_pn:valueState="default"/>
-    <property xil_pn:name="Report Type Post Trace" xil_pn:value="Verbose Report" xil_pn:valueState="default"/>
-    <property xil_pn:name="Report Unconstrained Paths" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Report Unconstrained Paths Post Trace" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Reset On Configuration Pulse Width" xil_pn:value="100" xil_pn:valueState="default"/>
-    <property xil_pn:name="Resource Sharing" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="Retain Hierarchy" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="Retry Configuration if CRC Error Occurs spartan6" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Revision Select" xil_pn:value="00" xil_pn:valueState="default"/>
-    <property xil_pn:name="Revision Select Tristate" xil_pn:value="Disable" xil_pn:valueState="default"/>
-    <property xil_pn:name="Run Design Rules Checker (DRC)" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="Run for Specified Time" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="Run for Specified Time Map" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="Run for Specified Time Par" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="Run for Specified Time Translate" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="Safe Implementation" xil_pn:value="No" xil_pn:valueState="default"/>
-    <property xil_pn:name="Security" xil_pn:value="Enable Readback and Reconfiguration" xil_pn:valueState="default"/>
-    <property xil_pn:name="Selected Module Instance Name" xil_pn:value="/bbc_micro/teletext" xil_pn:valueState="non-default"/>
-    <property xil_pn:name="Selected Simulation Root Source Node Behavioral" xil_pn:value="work.saa5050" xil_pn:valueState="non-default"/>
-    <property xil_pn:name="Selected Simulation Root Source Node Post-Map" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Selected Simulation Root Source Node Post-Route" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Selected Simulation Root Source Node Post-Translate" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Selected Simulation Source Node" xil_pn:value="UUT" xil_pn:valueState="default"/>
-    <property xil_pn:name="Set SPI Configuration Bus Width spartan6" xil_pn:value="1" xil_pn:valueState="default"/>
-    <property xil_pn:name="Setup External Master Clock Division spartan6" xil_pn:value="1" xil_pn:valueState="default"/>
-    <property xil_pn:name="Shift Register Extraction" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="Shift Register Minimum Size spartan6" xil_pn:value="2" xil_pn:valueState="default"/>
-    <property xil_pn:name="Show All Models" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Simulation Model Target" xil_pn:value="VHDL" xil_pn:valueState="default"/>
-    <property xil_pn:name="Simulation Run Time ISim" xil_pn:value="1000 ns" xil_pn:valueState="default"/>
-    <property xil_pn:name="Simulation Run Time Map" xil_pn:value="1000 ns" xil_pn:valueState="default"/>
-    <property xil_pn:name="Simulation Run Time Par" xil_pn:value="1000 ns" xil_pn:valueState="default"/>
-    <property xil_pn:name="Simulation Run Time Translate" xil_pn:value="1000 ns" xil_pn:valueState="default"/>
-    <property xil_pn:name="Simulator" xil_pn:value="ISim (VHDL/Verilog)" xil_pn:valueState="default"/>
-    <property xil_pn:name="Slice Utilization Ratio" xil_pn:value="100" xil_pn:valueState="default"/>
-    <property xil_pn:name="Specify 'define Macro Name and Value" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Specify Top Level Instance Names Behavioral" xil_pn:value="work.saa5050" xil_pn:valueState="default"/>
-    <property xil_pn:name="Specify Top Level Instance Names Post-Map" xil_pn:value="Default" xil_pn:valueState="default"/>
-    <property xil_pn:name="Specify Top Level Instance Names Post-Route" xil_pn:value="Default" xil_pn:valueState="default"/>
-    <property xil_pn:name="Specify Top Level Instance Names Post-Translate" xil_pn:value="Default" xil_pn:valueState="default"/>
-    <property xil_pn:name="Speed Grade" xil_pn:value="-2" xil_pn:valueState="non-default"/>
-    <property xil_pn:name="Starting Placer Cost Table (1-100) Map spartan6" xil_pn:value="1" xil_pn:valueState="default"/>
-    <property xil_pn:name="Synthesis Tool" xil_pn:value="XST (VHDL/Verilog)" xil_pn:valueState="default"/>
-    <property xil_pn:name="Target Simulator" xil_pn:value="Please Specify" xil_pn:valueState="default"/>
-    <property xil_pn:name="Timing Mode Map" xil_pn:value="Performance Evaluation" xil_pn:valueState="default"/>
-    <property xil_pn:name="Timing Mode Par" xil_pn:value="Performance Evaluation" xil_pn:valueState="default"/>
-    <property xil_pn:name="Top-Level Module Name in Output Netlist" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Top-Level Source Type" xil_pn:value="HDL" xil_pn:valueState="default"/>
-    <property xil_pn:name="Trim Unconnected Signals" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="Tristate On Configuration Pulse Width" xil_pn:value="0" xil_pn:valueState="default"/>
-    <property xil_pn:name="Unused IOB Pins" xil_pn:value="Pull Down" xil_pn:valueState="default"/>
-    <property xil_pn:name="Use 64-bit PlanAhead on 64-bit Systems" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="Use Clock Enable" xil_pn:value="Auto" xil_pn:valueState="default"/>
-    <property xil_pn:name="Use Custom Project File Behavioral" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Use Custom Project File Post-Map" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Use Custom Project File Post-Route" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Use Custom Project File Post-Translate" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Use Custom Simulation Command File Behavioral" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Use Custom Simulation Command File Map" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Use Custom Simulation Command File Par" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Use Custom Simulation Command File Translate" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Use Custom Waveform Configuration File Behav" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Use Custom Waveform Configuration File Map" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Use Custom Waveform Configuration File Par" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Use Custom Waveform Configuration File Translate" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Use DSP Block spartan6" xil_pn:value="Auto" xil_pn:valueState="default"/>
-    <property xil_pn:name="Use LOC Constraints" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="Use RLOC Constraints" xil_pn:value="Yes" xil_pn:valueState="default"/>
-    <property xil_pn:name="Use Smart Guide" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Use Synchronous Reset" xil_pn:value="Auto" xil_pn:valueState="default"/>
-    <property xil_pn:name="Use Synchronous Set" xil_pn:value="Auto" xil_pn:valueState="default"/>
-    <property xil_pn:name="Use Synthesis Constraints File" xil_pn:value="true" xil_pn:valueState="default"/>
-    <property xil_pn:name="User Browsed Strategy Files" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="UserID Code (8 Digit Hexadecimal)" xil_pn:value="0xFFFFFFFF" xil_pn:valueState="default"/>
-    <property xil_pn:name="VCCAUX Voltage Level spartan6" xil_pn:value="2.5V" xil_pn:valueState="default"/>
-    <property xil_pn:name="VHDL Source Analysis Standard" xil_pn:value="VHDL-93" xil_pn:valueState="default"/>
-    <property xil_pn:name="Value Range Check" xil_pn:value="false" xil_pn:valueState="default"/>
-    <property xil_pn:name="Verilog Macros" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="Wait for DCM and PLL Lock (Output Events) spartan6" xil_pn:value="Default (NoWait)" xil_pn:valueState="default"/>
-    <property xil_pn:name="Wakeup Clock spartan6" xil_pn:value="Startup Clock" xil_pn:valueState="default"/>
-    <property xil_pn:name="Watchdog Timer Value spartan6" xil_pn:value="0xFFFF" xil_pn:valueState="default"/>
-    <property xil_pn:name="Working Directory" xil_pn:value="working" xil_pn:valueState="non-default"/>
-    <property xil_pn:name="Write Timing Constraints" xil_pn:value="false" xil_pn:valueState="default"/>
-    <!--                                                                                  -->
-    <!-- The following properties are for internal use only. These should not be modified.-->
-    <!--                                                                                  -->
-    <property xil_pn:name="PROP_BehavioralSimTop" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="PROP_DesignName" xil_pn:value="BeebFpga" xil_pn:valueState="non-default"/>
-    <property xil_pn:name="PROP_DevFamilyPMName" xil_pn:value="spartan6" xil_pn:valueState="default"/>
-    <property xil_pn:name="PROP_FPGAConfiguration" xil_pn:value="FPGAConfiguration" xil_pn:valueState="default"/>
-    <property xil_pn:name="PROP_PostMapSimTop" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="PROP_PostParSimTop" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="PROP_PostSynthSimTop" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="PROP_PostXlateSimTop" xil_pn:value="" xil_pn:valueState="default"/>
-    <property xil_pn:name="PROP_PreSynthesis" xil_pn:value="PreSynthesis" xil_pn:valueState="default"/>
-    <property xil_pn:name="PROP_intProjectCreationTimestamp" xil_pn:value="2015-10-28T13:05:17" xil_pn:valueState="non-default"/>
-    <property xil_pn:name="PROP_intWbtProjectID" xil_pn:value="E34410956201CE3C8AA275AA7DCCDEA3" xil_pn:valueState="non-default"/>
-    <property xil_pn:name="PROP_intWorkingDirLocWRTProjDir" xil_pn:value="UnderProjDir" xil_pn:valueState="non-default"/>
-    <property xil_pn:name="PROP_intWorkingDirUsed" xil_pn:value="Yes" xil_pn:valueState="non-default"/>
-  </properties>
-
-  <bindings/>
-
-  <libraries/>
-
-  <autoManagedFiles>
-    <!-- The following files are identified by `include statements in verilog -->
-    <!-- source files and are automatically managed by Project Navigator.     -->
-    <!--                                                                      -->
-    <!-- Do not hand-edit this section, as it will be overwritten when the    -->
-    <!-- project is analyzed based on files automatically identified as       -->
-    <!-- include files.                                                       -->
-  </autoManagedFiles>
-
-</project>
diff --git a/cores/BBCMicro/working/bbc_micro.xst b/cores/BBCMicro/working/bbc_micro.xst
index b35593d..0c6ccd3 100644
--- a/cores/BBCMicro/working/bbc_micro.xst
+++ b/cores/BBCMicro/working/bbc_micro.xst
@@ -1,4 +1,4 @@
-set -tmpdir "xst/projnav.tmp"
+set -tmpdir "projnav.tmp"
 set -xsthdpdir "xst"
 run
 -ifn bbc_micro.prj