Optimized tests from @IcePic. Closes #514

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}

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}
+beq {la1}

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}

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}

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}

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}