diff --git a/src/main/fragment/mos6502-common/call__deref_pprz1.asm b/src/main/fragment/mos6502-common/call__deref_pprz1.asm
new file mode 100644
index 000000000..d678fe7f3
--- /dev/null
+++ b/src/main/fragment/mos6502-common/call__deref_pprz1.asm
@@ -0,0 +1,3 @@
+jsr {la1}
+icall: @outside_flow
+jmp ({z1})  @outside_flow
\ No newline at end of file
diff --git a/src/main/fragment/mos6502-common/call_vprc1.asm b/src/main/fragment/mos6502-common/call_vprc1.asm
new file mode 100644
index 000000000..0fd13c7be
--- /dev/null
+++ b/src/main/fragment/mos6502-common/call_vprc1.asm
@@ -0,0 +1 @@
+jsr {c1}
\ No newline at end of file