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NAME

       s51,  savr,  sz80  -  8051,  AVR and Z80 microcontrollers simulator for
       SDCC.

SYNOPSIS

       s51 [options] filenames
       savr [options] filenames
       sz80 [options] filenames

WARNING

       The  information  in  this  man  page  is  an  extract  from  the  full
       documentation of SDCC, and is limited to the meaning of the options.

       For  complete  and  current documentation, refer to the ucSim simulator
       User Guide.

DESCRIPTION

       ucSim is a microcontroller  simulator.  It  is  extensible  to  support
       different microcontroller families.

       MCS51 family is simulated bys51.
       AVR family is simulated by savr.
       Z80 processor is simulated by sz80.

       Specified  files must be names of Intel hex files. Simulator loads them
       in specified order into the ROM of the simulated system.

OPTIONS

       -t CPU Type of CPU. Recognized types are: 51, 8051, 8751,  C51,  80C51,
              87C51,  31, 8031, C31, 80C31, 52, 8052, 8752, C52, 80C52, 87C52,
              32, 8032, C32, 80C32, 51R, 51RA, 51RB, 51RC, C51R, C51RA, C51RB,
              C51RC,  89C51R,  251, C251, DS390, DS390F. Note that recongition
              of a CPU type as option does not mean  that  the  simulator  can
              simulate  that  kind of CPU. Default type is C51. DS390 supports
              Dallas DS80C390 dual-dptr operations,  DS390F  supports  minimal
              flat24 mode code and dual-dptr operations.

       -X freq[k|M]
              XTAL  frequency  is  freq  Hertz.  k or M can be used to specify
              frequency in kHZ or MHz. Space is not allowed between the number
              and the k or M. Default value is 11059200 Hz.

       -c file
              Open  command  console on file. Command consoles are on standard
              input and output by default. Using this option the  console  can
              be opened on any file for example on the serial interface of the
              computer.

       -Z portnum
              Listen for incoming connections  on  port  portnum.  Using  this
              option  uCsim can serve multiple consoles. You can get a console
              by simply telnet into machine running uCsimto  port  portnumber.
              This  option is not available on platforms which doesn’t support
              BSD networking.

       -s file
              Connect serial interface of the simulated microcontroller to the
              file.  Nothing  is  used  by default which means that characters
              transmitted by serial interface of the simulated microcontroller
              go  to  nowhere  and  it will never receive anything. If you are
              going to communicate with  serial  interface  interactively  the
              best idea is to specify a teminal with -s option.

       -S in=file,out=file
              Using  this option you can specify different files for input and
              output streams that  uCsim  uses  to  simulate  microprocessor’s
              serial interface.

       -p prompt
              Using this option you can specify any string to be the prompt of
              command interpreter, for example:
              $ s51 -p "s51> "
              ucsim 0.2.12, Copyright (C) 1997 Daniel Drotos, Talker Bt.
              ucsim comes with ABSOLUTELY NO WARRANTY; for details type ‘show w’.
              This is free software, and you are welcome to redistribute it
              under certain conditions; type ‘show c’ for details.
              s51>

       -P     Prompt will be a null (’\0’)  character.  This  feature  can  be
              useful for programs which controlls simulator through a pipe.

       -V     Verbose  mode.  The  simulator  notifies  you about some kind of
              internal actions for example interrupts. Messages are printed on
              command console.

       -v     Print out version number and stop.

       -H     Print  out types of known CPUs. Names printed out by this option
              can be used to determine CPU type using -t option.

       -h     Print out a short help about the options and stop.

COPYING

       ucSim is distributed under the GNU General Public License.

SEE ALSO

       sdcc(1), s51(1), savr(1), sz80(1).

AUTHOR

       This manual page was written by  Aurelien  Jarno  <aurel32@debian.org>,
       for the Debian GNU/Linux system (but may be used by others).