([r|w][bwl]at[little|big]) New functions.
(sim_resume): If GO32 check for interrupt every now
and again. Decrement PC if SIGBUS seen.
* run.c (main): Return result of simulated _exit.
(sim_*): Set result type to void where there isn't one.
(sim_resume, default case): Set cpu.exception to SIGILL.
(sim_trace): Delete.
(sim_set_pc): Delete.
(sim_info): Delete printf_fn arg, all callers changed.
Call printf_filtered.
(set_h8300h): New arg `flag', all callers changed.
(sim_close): New function.
(sim_load): New function.
(sim_create_inferior): Renamed from sim_set_args, all callers changed.
* run.c: #include <varargs.h>, "remote-sim.h".
(printf_filtered): New function.
* interp.c: #include "remote-sim.h".
(sim_resume): int result, new arg `siggnal'.
(sim_write): Use SIM_ADDR for type of arg `addr'.
(sim_read): Use SIM_ADDR for type of arg `addr'.
Use unsigned char * for `buffer'.
(sim_store_register): int result.
(sim_fetch_register): Ditto.
(sim_stop_reason): Renamed from sim_stop_signal. New arg `reason'.
(sim_set_pc): int result, use SIM_ADDR for type of arg `x'.
(sim_info): int result, new args `verbose', `printf_fn'.
(sim_kill): int result.
(sim_open): int result, new arg `name'.
* run.c: #include <stdio.h>
(main): Update call to sim_info.
* compile.c: #include "remote-sim.h".
(sim_resume): New arg siggnal.
(sim_write): Use SIM_ADDR for type of arg addr. Always return a value.
(sim_read): Ditto.
(sim_store_register): Result is type int.
(sim_fetch_register): Ditto.
(sim_stop_reason): Renamed from sim_stop_signal.
(sim_set_pc): Use SIM_ADDR for type of arg pc.
(sim_info): int result, new arg printf_fn.
(sim_kill): int result.
(sim_open): int result, new arg name.
* run.c (main): Use sim_set_pc to set pc. Update call to sim_info.
* compile.c: Rename Hmode to HMODE (consistency with gdb).
(set_h8300h): New function.
(sim_resume): Add support for extu,exts insns.
(sim_resume): Fix logical right shifting.
(sim_resume, label alu32): Fix setting of carry flag.
