diff --git a/Vectrex.sdc b/Vectrex.sdc
new file mode 100644
index 0000000..9d7e598
--- /dev/null
+++ b/Vectrex.sdc
@@ -0,0 +1,7 @@
+derive_pll_clocks
+derive_clock_uncertainty
+
+set_multicycle_path -from {emu|vectrex|limited_*} -setup 2
+set_multicycle_path -from {emu|vectrex|limited_*} -hold 1
+
+set_false_path -from {emu|hps_io|status*}
diff --git a/files.qip b/files.qip
index 308e07b..a07f628 100644
--- a/files.qip
+++ b/files.qip
@@ -11,4 +11,5 @@ set_global_assignment -name VHDL_FILE rtl/cpu09l_128a.vhd
 set_global_assignment -name VERILOG_FILE rtl/mc6809is.v
 set_global_assignment -name VERILOG_FILE rtl/mc6809.v
 set_global_assignment -name VHDL_FILE rtl/vectrex.vhd
+set_global_assignment -name SDC_FILE Vectrex.sdc
 set_global_assignment -name SYSTEMVERILOG_FILE Vectrex.sv