diff --git a/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuxx_ge_0_then_la1.asm b/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuxx_ge_0_then_la1.asm
new file mode 100644
index 000000000..0d454bc88
--- /dev/null
+++ b/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuxx_ge_0_then_la1.asm
@@ -0,0 +1,2 @@
+lda {c1}+1,x
+bpl {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
index 4d54c8d35..afbf3efd7 100644
--- 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
@@ -1,7 +1,7 @@
 lda {c1},x
-cmp {c2}
+cmp #<{c2}
 lda {c1}+1,x
-sbc {c2}+1
+sbc #>{c2}
 bvc !+
 eor #$80
 !:
diff --git a/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuyy_ge_0_then_la1.asm b/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuyy_ge_0_then_la1.asm
new file mode 100644
index 000000000..01fd2b62a
--- /dev/null
+++ b/src/main/fragment/mos6502-common/pwsc1_derefidx_vbuyy_ge_0_then_la1.asm
@@ -0,0 +1,2 @@
+lda {c1}+1,y
+bpl {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
index 51c846553..49a0e42cf 100644
--- 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
@@ -1,7 +1,7 @@
 lda {c1},y
-cmp {c2}
+cmp #<{c2}
 lda {c1}+1,y
-sbc {c2}+1
+sbc #>{c2}
 bvc !+
 eor #$80
 !:
diff --git a/src/main/fragment/mos6502-common/vwsm1=pwsc1_derefidx_vbuxx_plus_pwsc2_derefidx_vbuyy.asm b/src/main/fragment/mos6502-common/vwsm1=pwsc1_derefidx_vbuxx_plus_pwsc2_derefidx_vbuyy.asm
new file mode 100644
index 000000000..bfb0c0b4b
--- /dev/null
+++ b/src/main/fragment/mos6502-common/vwsm1=pwsc1_derefidx_vbuxx_plus_pwsc2_derefidx_vbuyy.asm
@@ -0,0 +1,7 @@
+clc
+lda {c1},x
+adc {c2},y
+sta {m1}
+lda {c1}+1,x
+adc {c2}+1,y
+sta {m1}+1
diff --git a/src/main/fragment/mos6502-common/vwsm1=pwsc1_derefidx_vbuxx_plus_vwsm2.asm b/src/main/fragment/mos6502-common/vwsm1=pwsc1_derefidx_vbuxx_plus_vwsm2.asm
new file mode 100644
index 000000000..3b80fbd5b
--- /dev/null
+++ b/src/main/fragment/mos6502-common/vwsm1=pwsc1_derefidx_vbuxx_plus_vwsm2.asm
@@ -0,0 +1,7 @@
+lda {m2}
+clc
+adc {c1},x
+sta {m1}
+lda {m2}+1
+adc {c1}+1,x
+sta {m1}+1
\ No newline at end of file
diff --git a/src/main/fragment/mos6502-common/vwsm1=pwsc1_derefidx_vbuyy_plus_pwsc2_derefidx_vbuxx.asm b/src/main/fragment/mos6502-common/vwsm1=pwsc1_derefidx_vbuyy_plus_pwsc2_derefidx_vbuxx.asm
new file mode 100644
index 000000000..b7070b660
--- /dev/null
+++ b/src/main/fragment/mos6502-common/vwsm1=pwsc1_derefidx_vbuyy_plus_pwsc2_derefidx_vbuxx.asm
@@ -0,0 +1,7 @@
+clc
+lda {c1},y
+adc {c2},x
+sta {m1}
+lda {c1}+1,y
+adc {c2}+1,x
+sta {m1}+1
diff --git a/src/main/fragment/mos6502-common/vwsm1=pwsc1_derefidx_vbuyy_plus_vwsm2.asm b/src/main/fragment/mos6502-common/vwsm1=pwsc1_derefidx_vbuyy_plus_vwsm2.asm
new file mode 100644
index 000000000..3d055e593
--- /dev/null
+++ b/src/main/fragment/mos6502-common/vwsm1=pwsc1_derefidx_vbuyy_plus_vwsm2.asm
@@ -0,0 +1,7 @@
+lda {m2}
+clc
+adc {c1},y
+sta {m1}
+lda {m2}+1
+adc {c1}+1,y
+sta {m1}+1
\ No newline at end of file
diff --git a/src/main/fragment/mos6502-common/vwsm1=vwsm2_minus_pwsc1_derefidx_vbuxx.asm b/src/main/fragment/mos6502-common/vwsm1=vwsm2_minus_pwsc1_derefidx_vbuxx.asm
new file mode 100644
index 000000000..b1c48bc28
--- /dev/null
+++ b/src/main/fragment/mos6502-common/vwsm1=vwsm2_minus_pwsc1_derefidx_vbuxx.asm
@@ -0,0 +1,7 @@
+lda {m2}
+sec
+sbc {c1},x
+sta {m1}
+lda {m2}+1
+sbc {c1}+1,x
+sta {m1}+1
\ No newline at end of file
diff --git a/src/main/fragment/mos6502-common/vwsm1=vwsm2_minus_pwsc1_derefidx_vbuyy.asm b/src/main/fragment/mos6502-common/vwsm1=vwsm2_minus_pwsc1_derefidx_vbuyy.asm
new file mode 100644
index 000000000..e295fbd82
--- /dev/null
+++ b/src/main/fragment/mos6502-common/vwsm1=vwsm2_minus_pwsc1_derefidx_vbuyy.asm
@@ -0,0 +1,7 @@
+lda {m2}
+sec
+sbc {c1},y
+sta {m1}
+lda {m2}+1
+sbc {c1}+1,y
+sta {m1}+1
\ No newline at end of file