diff --git a/include/crt.c b/include/crt.c
index 0e9d268..9461770 100644
--- a/include/crt.c
+++ b/include/crt.c
@@ -173,6 +173,9 @@ bcode:
 
 __asm bcexec
 {
+#ifdef OSCAR_NATIVE_ALL
+		jmp (accu)
+#else	
 		lda ip
 		pha
 		lda ip + 1	
@@ -197,9 +200,16 @@ bdone:	nop
 		pla
 		sta ip
 		rts		
+#endif
+}
+
+__asm jmpaddr
+{
+		jmp	(addr)
 }
 
 #pragma runtime(bcexec, bcexec)
+#pragma runtime(jmpaddr, jmpaddr)
 
 __asm negaccu
 {
diff --git a/oscar64/Compiler.cpp b/oscar64/Compiler.cpp
index 77111d0..4bac454 100644
--- a/oscar64/Compiler.cpp
+++ b/oscar64/Compiler.cpp
@@ -206,6 +206,7 @@ bool Compiler::GenerateCode(void)
 	RegisterRuntime(loc, Ident::Unique("ffromi"));
 	RegisterRuntime(loc, Ident::Unique("fcmp"));
 	RegisterRuntime(loc, Ident::Unique("bcexec"));
+	RegisterRuntime(loc, Ident::Unique("jmpaddr"));
 	RegisterRuntime(loc, Ident::Unique("mul32"));
 	RegisterRuntime(loc, Ident::Unique("divs32"));
 	RegisterRuntime(loc, Ident::Unique("mods32"));