diff --git a/src/main/fragment/vbuaa=_deref_pbuz1_ror_vbuxx.asm b/src/main/fragment/vbuaa=_deref_pbuz1_ror_vbuxx.asm
new file mode 100644
index 000000000..f624e7695
--- /dev/null
+++ b/src/main/fragment/vbuaa=_deref_pbuz1_ror_vbuxx.asm
@@ -0,0 +1,9 @@
+cpx #0
+beq !e+
+ldy #0
+lda ({z1}),y
+!:
+ror
+dex
+bne !-
+!e:
\ No newline at end of file
diff --git a/src/main/fragment/vbuaa=vbuaa_ror_vbuz1.asm b/src/main/fragment/vbuaa=vbuaa_ror_vbuz1.asm
new file mode 100644
index 000000000..a739505a2
--- /dev/null
+++ b/src/main/fragment/vbuaa=vbuaa_ror_vbuz1.asm
@@ -0,0 +1,7 @@
+ldx {z1}
+beq !e+
+!:
+ror
+dex
+bne !-
+!e:
diff --git a/src/main/fragment/vbuxx=vbuyy_ror_vbuaa.asm b/src/main/fragment/vbuxx=vbuyy_ror_vbuaa.asm
new file mode 100644
index 000000000..d5c06e46b
--- /dev/null
+++ b/src/main/fragment/vbuxx=vbuyy_ror_vbuaa.asm
@@ -0,0 +1,10 @@
+cpy #0
+beq !e+
+!l:
+cmp #$80
+ror
+dey
+bne !l-
+!e:
+sty $ff
+ldx $ff
diff --git a/src/main/fragment/vbuyy=_deref_pbuz1_ror_vbuxx.asm b/src/main/fragment/vbuyy=_deref_pbuz1_ror_vbuxx.asm
new file mode 100644
index 000000000..c2bb8222f
--- /dev/null
+++ b/src/main/fragment/vbuyy=_deref_pbuz1_ror_vbuxx.asm
@@ -0,0 +1,11 @@
+cpx #0
+beq !e+
+ldy #0
+lda ({z1}),y
+!:
+ror
+dex
+bne !-
+tay
+!e:
+ 
\ No newline at end of file
diff --git a/src/main/fragment/vbuz1=_deref_pbuz2_ror_vbuxx.asm b/src/main/fragment/vbuz1=_deref_pbuz2_ror_vbuxx.asm
new file mode 100644
index 000000000..4d411515e
--- /dev/null
+++ b/src/main/fragment/vbuz1=_deref_pbuz2_ror_vbuxx.asm
@@ -0,0 +1,10 @@
+cpx #0
+beq !e+
+ldy #0
+lda ({z2}),y
+!:
+ror
+dex
+bne !-
+sta {z1}
+!e:
diff --git a/src/main/fragment/vduz1=vwuc1.asm b/src/main/fragment/vduz1=vwuc1.asm
new file mode 100644
index 000000000..60fc31566
--- /dev/null
+++ b/src/main/fragment/vduz1=vwuc1.asm
@@ -0,0 +1,12 @@
+lda #<{c1}
+sta {z1}
+lda #>{c1}
+sta {z1}+1
+bmi !m+
+lda #0
+beq !p+
+!m:
+lda #$ff
+!p:
+sta {z1}+2
+sta {z1}+3
diff --git a/src/main/fragment/vwuz1=vbuaa_bor_vwuz2.asm b/src/main/fragment/vwuz1=vbuaa_bor_vwuz2.asm
new file mode 100644
index 000000000..6f38db42e
--- /dev/null
+++ b/src/main/fragment/vwuz1=vbuaa_bor_vwuz2.asm
@@ -0,0 +1,6 @@
+sta $ff
+lda {z2}
+ora $ff
+sta {z1}
+lda {z2}+1
+sta {z1}+1
diff --git a/src/main/fragment/vwuz1=vwuz1_bor_vwsz2.asm b/src/main/fragment/vwuz1=vwuz1_bor_vwsz2.asm
new file mode 100644
index 000000000..58bebcaaf
--- /dev/null
+++ b/src/main/fragment/vwuz1=vwuz1_bor_vwsz2.asm
@@ -0,0 +1,6 @@
+lda {z2}
+eor {z1}
+sta {z1}
+lda {z2}+1
+eor {z1}+1
+sta {z1}+1
diff --git a/src/main/fragment/vwuz1=vwuz1_bxor_vwsc1.asm b/src/main/fragment/vwuz1=vwuz1_bxor_vwsc1.asm
new file mode 100644
index 000000000..0f9ec2420
--- /dev/null
+++ b/src/main/fragment/vwuz1=vwuz1_bxor_vwsc1.asm
@@ -0,0 +1,6 @@
+lda #<{c1}
+eor {z1}
+sta {z1}
+lda #>{c1}
+eor {z1}
+sta {z1}
diff --git a/src/main/fragment/vwuz1=vwuz1_bxor_vwuc1.asm b/src/main/fragment/vwuz1=vwuz1_bxor_vwuc1.asm
new file mode 100644
index 000000000..593d85fd6
--- /dev/null
+++ b/src/main/fragment/vwuz1=vwuz1_bxor_vwuc1.asm
@@ -0,0 +1,6 @@
+lda #<{c1}
+eor {z1}
+sta {z1}
+lda #>{c1}
+eor {z1}+1
+sta {z1}+1