diff --git a/src/main/fragment/mos6502-common/pwuc1_derefidx_vbuxx_neq_0_then_la1.asm b/src/main/fragment/mos6502-common/pwuc1_derefidx_vbuxx_neq_0_then_la1.asm
index 28b19e48f..2323e5870 100644
--- a/src/main/fragment/mos6502-common/pwuc1_derefidx_vbuxx_neq_0_then_la1.asm
+++ b/src/main/fragment/mos6502-common/pwuc1_derefidx_vbuxx_neq_0_then_la1.asm
@@ -1,4 +1,3 @@
 lda {c1}+1,x
-bne {la1}
-lda {c1},x
+ora {c1},x
 bne {la1}
diff --git a/src/main/fragment/mos6502-common/pwuc1_derefidx_vbuyy_eq_0_then_la1.asm b/src/main/fragment/mos6502-common/pwuc1_derefidx_vbuyy_eq_0_then_la1.asm
index b9f37752e..b5b446859 100644
--- a/src/main/fragment/mos6502-common/pwuc1_derefidx_vbuyy_eq_0_then_la1.asm
+++ b/src/main/fragment/mos6502-common/pwuc1_derefidx_vbuyy_eq_0_then_la1.asm
@@ -1,4 +1,3 @@
 lda {c1},y
 ora {c1}+1,y
-cmp #0
-beq {la1}
\ No newline at end of file
+beq {la1}
diff --git a/src/main/fragment/mos6502-common/pwuc1_derefidx_vbuyy_neq_0_then_la1.asm b/src/main/fragment/mos6502-common/pwuc1_derefidx_vbuyy_neq_0_then_la1.asm
index 46e1e8901..e5187ecd0 100644
--- a/src/main/fragment/mos6502-common/pwuc1_derefidx_vbuyy_neq_0_then_la1.asm
+++ b/src/main/fragment/mos6502-common/pwuc1_derefidx_vbuyy_neq_0_then_la1.asm
@@ -1,4 +1,3 @@
 lda {c1}+1,y
-bne {la1}
-lda {c1},y
+ora {c1},y
 bne {la1}
diff --git a/src/main/fragment/mos6502-common/vwsm1_neq_0_then_la1.asm b/src/main/fragment/mos6502-common/vwsm1_neq_0_then_la1.asm
index 8907bbae7..35e31cbda 100644
--- a/src/main/fragment/mos6502-common/vwsm1_neq_0_then_la1.asm
+++ b/src/main/fragment/mos6502-common/vwsm1_neq_0_then_la1.asm
@@ -1,4 +1,3 @@
 lda {m1}+1
-bne {la1}
-lda {m1}
+ora {m1}
 bne {la1}
diff --git a/src/main/fragment/mos6502-common/vwum1_eq_0_then_la1.asm b/src/main/fragment/mos6502-common/vwum1_eq_0_then_la1.asm
index 510bd0866..9c2f0b382 100644
--- a/src/main/fragment/mos6502-common/vwum1_eq_0_then_la1.asm
+++ b/src/main/fragment/mos6502-common/vwum1_eq_0_then_la1.asm
@@ -1,5 +1,3 @@
 lda {m1}
-bne !+
-lda {m1}+1
-beq {la1}
-!:
+ora {m1}+1
+beq {la1}
\ No newline at end of file
diff --git a/src/main/fragment/mos6502-common/vwum1_neq_0_then_la1.asm b/src/main/fragment/mos6502-common/vwum1_neq_0_then_la1.asm
index c29faa16b..085536d3e 100644
--- a/src/main/fragment/mos6502-common/vwum1_neq_0_then_la1.asm
+++ b/src/main/fragment/mos6502-common/vwum1_neq_0_then_la1.asm
@@ -1,4 +1,3 @@
 lda {m1}
-bne {la1}
-lda {m1}+1
+ora {m1}+1
 bne {la1}