diff --git a/hw/efinix_fpga/simulation/src/verilog-6502 b/hw/efinix_fpga/simulation/src/verilog-6502
index 001840c..aaf4c08 160000
--- a/hw/efinix_fpga/simulation/src/verilog-6502
+++ b/hw/efinix_fpga/simulation/src/verilog-6502
@@ -1 +1 @@
-Subproject commit 001840c64e5bb175672db899009fdea7a815003b
+Subproject commit aaf4c084ef68b9ee1646dc5acc982820868e090f