diff --git a/hw/super6502_fpga/src/sim/sub/verilog-sd-emulator b/hw/super6502_fpga/src/sim/sub/verilog-sd-emulator
index 5413066..c64eff4 160000
--- a/hw/super6502_fpga/src/sim/sub/verilog-sd-emulator
+++ b/hw/super6502_fpga/src/sim/sub/verilog-sd-emulator
@@ -1 +1 @@
-Subproject commit 5413066bbbcba0ddaf8428898f35efb516f7673e
+Subproject commit c64eff4f3658ed1545c6f6942979c83c4c42493b