diff --git a/src/main/fragment/mos6502-common/vwum1=_deref_pwuc1_plus_vwum2.asm b/src/main/fragment/mos6502-common/vwum1=_deref_pwuc1_plus_vwum2.asm
new file mode 100644
index 000000000..686ad0fc6
--- /dev/null
+++ b/src/main/fragment/mos6502-common/vwum1=_deref_pwuc1_plus_vwum2.asm
@@ -0,0 +1,7 @@
+clc
+lda {c1}
+adc {m2}
+sta {m1}
+lda {c1}+1
+adc {m2}+1
+sta {m1}+1