diff --git a/src/main/fragment/mos6502-common/pvom1=pvom2_plus__hi_vwum3.asm b/src/main/fragment/mos6502-common/pvom1=pvom2_plus__hi_vwum3.asm
new file mode 100644
index 000000000..53be6e5c2
--- /dev/null
+++ b/src/main/fragment/mos6502-common/pvom1=pvom2_plus__hi_vwum3.asm
@@ -0,0 +1,7 @@
+clc
+lda {m3}+1
+adc {m2}
+sta {m1}
+lda #0
+adc {m2}+1
+sta {m1}+1
\ No newline at end of file
diff --git a/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuxx=pwsc1_derefidx_vbuxx_plus_pwsc2_derefidx_vbuxx.asm b/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuxx=pwsc1_derefidx_vbuxx_plus_pwsc2_derefidx_vbuxx.asm
new file mode 100644
index 000000000..7df2fbb45
--- /dev/null
+++ b/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuxx=pwsc1_derefidx_vbuxx_plus_pwsc2_derefidx_vbuxx.asm
@@ -0,0 +1,7 @@
+clc
+lda {c1},x
+adc {c2},x
+sta {c1},x
+lda {c1}+1,x
+adc {c2}+1,x
+sta {c1}+1,x
\ No newline at end of file
diff --git a/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuxx_lt_0_then_la1.asm b/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuxx_lt_0_then_la1.asm
new file mode 100644
index 000000000..bf9646a48
--- /dev/null
+++ b/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuxx_lt_0_then_la1.asm
@@ -0,0 +1,2 @@
+lda {c1}+1,x
+bmi {la1}
\ No newline at end of file
diff --git a/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuxx_lt_vwsc2_then_la1.asm b/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuxx_lt_vwsc2_then_la1.asm
new file mode 100644
index 000000000..4d54c8d35
--- /dev/null
+++ b/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuxx_lt_vwsc2_then_la1.asm
@@ -0,0 +1,8 @@
+lda {c1},x
+cmp {c2}
+lda {c1}+1,x
+sbc {c2}+1
+bvc !+
+eor #$80
+!:
+bmi {la1}
\ No newline at end of file
diff --git a/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuyy=pwsc1_derefidx_vbuyy_plus_pwsc2_derefidx_vbuyy.asm b/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuyy=pwsc1_derefidx_vbuyy_plus_pwsc2_derefidx_vbuyy.asm
new file mode 100644
index 000000000..f180e62b0
--- /dev/null
+++ b/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuyy=pwsc1_derefidx_vbuyy_plus_pwsc2_derefidx_vbuyy.asm
@@ -0,0 +1,7 @@
+clc
+lda {c1},y
+adc {c2},y
+sta {c1},y
+lda {c1}+1,y
+adc {c2}+1,y
+sta {c1}+1,y
\ No newline at end of file
diff --git a/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuyy_lt_0_then_la1.asm b/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuyy_lt_0_then_la1.asm
new file mode 100644
index 000000000..2ca9b88cd
--- /dev/null
+++ b/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuyy_lt_0_then_la1.asm
@@ -0,0 +1,2 @@
+lda {c1}+1,y
+bmi {la1}
\ No newline at end of file
diff --git a/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuyy_lt_vwsc2_then_la1.asm b/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuyy_lt_vwsc2_then_la1.asm
new file mode 100644
index 000000000..51c846553
--- /dev/null
+++ b/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuyy_lt_vwsc2_then_la1.asm
@@ -0,0 +1,8 @@
+lda {c1},y
+cmp {c2}
+lda {c1}+1,y
+sbc {c2}+1
+bvc !+
+eor #$80
+!:
+bmi {la1}
\ No newline at end of file
diff --git a/src/main/fragment/mos6502-common/vbuaa=vbuaa_bor__hi_vwsm1.asm b/src/main/fragment/mos6502-common/vbuaa=vbuaa_bor__hi_vwsm1.asm
new file mode 100644
index 000000000..eba959dfb
--- /dev/null
+++ b/src/main/fragment/mos6502-common/vbuaa=vbuaa_bor__hi_vwsm1.asm
@@ -0,0 +1 @@
+ora {m1}+1
\ No newline at end of file
diff --git a/src/main/fragment/mos6502-common/vwsm1=_neg_pwsc1_derefidx_vbuxx.asm b/src/main/fragment/mos6502-common/vwsm1=_neg_pwsc1_derefidx_vbuxx.asm
new file mode 100644
index 000000000..15f35ad2d
--- /dev/null
+++ b/src/main/fragment/mos6502-common/vwsm1=_neg_pwsc1_derefidx_vbuxx.asm
@@ -0,0 +1,7 @@
+sec
+lda #0
+sbc {c1},x
+sta {m1}
+lda #0
+sbc {c1}+1,x
+sta {m1}+1
\ No newline at end of file
diff --git a/src/main/fragment/mos6502-common/vwsm1=_neg_pwsc1_derefidx_vbuyy.asm b/src/main/fragment/mos6502-common/vwsm1=_neg_pwsc1_derefidx_vbuyy.asm
new file mode 100644
index 000000000..cba86ef72
--- /dev/null
+++ b/src/main/fragment/mos6502-common/vwsm1=_neg_pwsc1_derefidx_vbuyy.asm
@@ -0,0 +1,7 @@
+sec
+lda #0
+sbc {c1},y
+sta {m1}
+lda #0
+sbc {c1}+1,y
+sta {m1}+1
\ No newline at end of file
diff --git a/src/main/fragment/mos6502-common/vwsm1=vwsc1_minus_pwsc2_derefidx_vbuxx.asm b/src/main/fragment/mos6502-common/vwsm1=vwsc1_minus_pwsc2_derefidx_vbuxx.asm
new file mode 100644
index 000000000..1287600e8
--- /dev/null
+++ b/src/main/fragment/mos6502-common/vwsm1=vwsc1_minus_pwsc2_derefidx_vbuxx.asm
@@ -0,0 +1,7 @@
+sec
+lda #<{c1}
+sbc {c2},x
+sta {m1}
+lda #>{c1}
+sbc {c2}+1,x
+sta {m1}+1
\ No newline at end of file
diff --git a/src/main/fragment/mos6502-common/vwsm1=vwsc1_minus_pwsc2_derefidx_vbuyy.asm b/src/main/fragment/mos6502-common/vwsm1=vwsc1_minus_pwsc2_derefidx_vbuyy.asm
new file mode 100644
index 000000000..bad9132bf
--- /dev/null
+++ b/src/main/fragment/mos6502-common/vwsm1=vwsc1_minus_pwsc2_derefidx_vbuyy.asm
@@ -0,0 +1,7 @@
+sec
+lda #<{c1}
+sbc {c2},y
+sta {m1}
+lda #>{c1}
+sbc {c2}+1,y
+sta {m1}+1
\ No newline at end of file