Added a few missing 16-bit fragments.

src/main/fragment/vwsz1_gt_vwsz2_then_la1.asm

@@ -0,0 +1,8 @@
+lda {z1}
+cmp {z2}
+lda {z1}+1
+sbc {z2}+1
+bvc !+
+eor #$80
+!:
+bpl {la1}

src/main/fragment/vwuz1_gt_vbuc1_then_la1.asm

@@ -0,0 +1,7 @@
+lda {z1}+1
+bne {la1}
+lda {z1}
+cmp #{c1}
+beq !+
+bcs {la1}
+!:

src/main/fragment/vwuz1_gt_vwuz2_then_la1.asm

@@ -1,8 +1,8 @@
-lda {z1}
+lda {z2}+1
-cmp {z2}
+cmp {z1}+1
-lda {z1}+1
+bne !+
-sbc {z2}+1
+lda {z2}
-bvc !+
+cmp {z1}
-eor #$80
 !:
-bpl {la1}
+bcc {la1}
+beq {la1}