diff --git a/src/main/fragment/mos6502-common/vbuaa=vbuaa_bxor_vbuyy.asm b/src/main/fragment/mos6502-common/vbuaa=vbuaa_bxor_vbuyy.asm
new file mode 100644
index 000000000..ab9973106
--- /dev/null
+++ b/src/main/fragment/mos6502-common/vbuaa=vbuaa_bxor_vbuyy.asm
@@ -0,0 +1,2 @@
+sty $ff
+eor $ff
\ No newline at end of file