diff --git a/src/main/fragment/vwsc1_ge_vwsz1_then_la1.asm b/src/main/fragment/vwsc1_ge_vwsz1_then_la1.asm
new file mode 100644
index 000000000..b5d775707
--- /dev/null
+++ b/src/main/fragment/vwsc1_ge_vwsz1_then_la1.asm
@@ -0,0 +1,8 @@
+lda #<{c1}
+cmp {z1}
+lda #>{c1}
+sbc {z1}+1
+bvc !+
+eor #$80
+!:
+bpl {la1}