{ "sat24", 0xf650, 0xfff0, FMT_D0, {DM1, DN0}},
{ "bsch", 0xf670, 0xfff0, FMT_D0, {DM1, DN0}},
+/* Extension. We need some instruction to trigger "emulated syscalls"
+ for our simulator. */
+{ "syscall", 0xf0ff, 0xffff, FMT_D0, {UNUSED}},
+
/* Extension. When talking to the simulator, gdb requires some instruction
that will trigger a "breakpoint" (really just an instruction that isn't
otherwise used by the tools. This instruction must be the same size