Added missing fragments.

src/main/fragment/mos6502-common/_deref_pwuz1=_deref_pwuz2_bxor_vwuc1.asm

@@ -0,0 +1,8 @@
+ldy #0
+lda #<{c1}
+eor ({z2}),y
+sta ({z1}),y
+iny
+lda #>{c1}
+eor ({z2}),y
+sta ({z1}),y

src/main/fragment/mos6502-common/_deref_pwuz1=_deref_pwuz2_plus__deref_pwuz3.asm

@@ -0,0 +1,9 @@
+ldy #0
+lda ({z2}),y
+clc
+adc ({z3}),y
+sta ({z1}),y
+iny
+lda ({z2}),y
+adc ({z3}),y
+sta ({z1}),y

src/main/fragment/mos6502-common/_deref_pwuz1=_deref_pwuz2_plus_vwuc1.asm

@@ -0,0 +1,9 @@
+ldy #0
+lda ({z2}),y
+clc
+adc #<{c1}
+sta ({z1}),y
+iny
+lda ({z2}),y
+adc #>{c1}
+sta ({z1}),y

src/main/fragment/mos6502-common/vwum1=_deref_pwuz2_ror_8.asm

@@ -0,0 +1,5 @@
+ldy #1
+lda ({z2}),y
+sta {m1}
+lda #0
+sta {m1}+1

src/main/fragment/mos6502-common/vwuz1=_deref_pwuz1_ror_8.asm

@@ -0,0 +1,5 @@
+ldy #1
+lda ({z1}),y
+sta {z1}
+dey
+sty {z1}+1