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<title>µCsim: Invokation</title>
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<body style=" background-color: white;">
<h1>Starting the simulator</h1>
There are separate programs to simulate different microcontroller families:
<p>MCS51 family is simulated by <b>s51</b> <br>
AVR family is simulated by <b>savr</b> <br>
Z80 processor is simulated by <b>sz80</b> <br>
XA family is simulated by <b>sxa</b> <br>
HC08 processor is simulated by <b>shc08</b> <br>
ST7 family is simulated by <b>sst7</b> <br>
STM8 family is simulated by <b>sstm8</b> <br>
TLCS90 family is simulated by <b>stlcs</b> </p>
<p>The simulator can be started in the following way: </p>
<p><tt><font color="blue">$</font> s51 [-hHVvPg] [-p prompt] [-t CPU] [-X
freq[k|M]] [-C cfg_file] [-c file] [-s file] [-S optionlist] [-a nr] [-Z
portnum] [-k portnum] [files...]</tt> </p>
<p>Specified files must be names of Intel hex files. Simulator loads them in
the specified order into the ROM of the simulated system. </p>
<p>Options: </p>
<dl>
<dt><tt><b>-t CPU</b></tt> </dt>
<dd>Type of CPU. Recognized types are different for different simulators,
for example MCS51 simulator recognizes 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 recognition of a CPU type as
option does not mean that the simulator can simulate that kind of CPU.
Default type is C51. <br>
DS390 supports Dallas DS80C390 24 bit flat mode, dual-dptr operations,
etc. DS390F is the same as DS390, but it starts already in 24 bit flat
mode (ACON = 0xFA instead of 0xF8). DS390F is needed to run programs
compiled with sdcc -mds390.<br>
-H option can be used to list all of recognized CPU types.<br>
See <a href="cpu_types.html">how to select CPU type</a>. </dd>
<dt><tt><b>-X freq[k|M]</b></tt> </dt>
<dd>XTAL frequency is <b>freq</b> Hertz. <b>k</b> or <b>M</b> can be
used to specify frequency in kHZ or MHz. Space is not allowed between
the number and the <b>k</b> or <b>M</b>. Default value is 11059200 Hz.
<a name="coption"></a></dd>
<dt><a name="coption"><tt><b>-c file</b></tt></a> </dt>
<dd>Open command console on <b>file</b>. 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. <a name="Zoption"></a></dd>
<dt><a name="Zoption"><tt><b>-Z portnum</b></tt></a> </dt>
<dd>Listen for incoming connections on port <b>portnum</b>. Using this
option <i>µCsim</i> can serve multiple consoles. You can get a console
by simply telnet into machine running <i>µCsim</i> to port <b>portnumber</b>.
This option is not available on platforms which doesn't support BSD
networking. <br>
See <a href="mulcons.html">how to use multiple consoles</a>. </dd>
<dt><tt><b>-k portnum</b></tt></dt>
<dd>Listen for incoming connections on port <b>portnum</b>. When this
port connected, the connection will be attached to simulated UART0.This
option is not useful for other UARTs, so it is better to use the more
general -S option. </dd>
<dt><tt><b>-s file</b></tt> </dt>
<dd>Connect serial interface (UART0) of the simulated microcontroller to
the <b>file</b>. 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 terminal with -s option. </dd>
<dt><tt><b>-S uart=nr,in=file,out=file,port=nr</b></tt> </dt>
<dd>Using this option you can specify different files for input and output
streams that <i>µCsim</i> uses to simulate microprocessor's serial
interface. <br>
See <a href="serial.html">more about serial interface simulation</a>. </dd>
<dt><tt><b>-p prompt</b></tt> </dt>
<dd>Using this option you can specify any string to be the prompt of
command interpreter, for example:
<pre><font color="blue">$</font> s51 -p "s51> "
<font color="green">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> </font></pre>
</dd>
<dt><tt><b>-P</b></tt> </dt>
<dd>Prompt will be a null ('\0') character. This feature can be useful for
programs which controls simulator through a pipe. </dd>
<dt><span style="font-family: monospace;"><b>-g</b></span></dt>
<dd>Go, start simulation when the program is loaded.</dd>
<dt><span style="font-family: monospace;"><b>-a nr</b></span></dt>
<dd>Set size of variable space. Default is 256.</dd>
<dt><tt><b>-V</b></tt> </dt>
<dd>Verbose mode. The simulator notifies you about some kind of internal
actions for example interrupts. Messages are printed on command console.
</dd>
<dt><tt><b>-v</b></tt> </dt>
<dd>Print out version number and stop. </dd>
<dt><tt><b>-H</b></tt> </dt>
<dd>Print out types of known CPUs. Names printed out by this option can be
used to determine CPU type using <tt><b>-t</b></tt> option. </dd>
<dt><tt><b>-h</b></tt> </dt>
<dd>Print out a short help about the options and stop. </dd>
</dl>
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