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Copyright notice.

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steve 2001-03-14 19:26:15 +00:00
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vvp/README.txt
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@ -1,3 +1,8 @@
/*
* Copyright (c) 2001 Stephen Williams (steve@icarus.com)
*
* $Id: README.txt,v 1.4 2001/03/14 19:26:15 steve Exp $
*/
VVP SIMULATION ENGINE VVP SIMULATION ENGINE
@ -162,6 +167,9 @@ space. Labels attached to executable instructions get assigned the
address of the instruction, and can be the target of %jmp instructions address of the instruction, and can be the target of %jmp instructions
and starting points for threads. and starting points for threads.
The opcodes.txt file has a more detailed description of all the
various instructions.
THE RELATIONSHIP BETWEEN FUNCTORS, THREADS AND EVENTS THE RELATIONSHIP BETWEEN FUNCTORS, THREADS AND EVENTS
@ -205,7 +213,7 @@ use %load to read the output of functors.
The core event scheduler takes these three kinds of events and calls The core event scheduler takes these three kinds of events and calls
the right kind of code to cause things to happen in the design. If the the right kind of code to cause things to happen in the design. If the
event is a propagate or assignment event, the network of functors is event is a propagate or assignment event, the network of functors is
tickled, if the event is a thread schedule, then a thread is run. The tickled; if the event is a thread schedule, then a thread is run. The
implementation of the event queue is not important, but currently is implementation of the event queue is not important, but currently is
implemented as a ``skip list''. That is, it is a sorted singly linked implemented as a ``skip list''. That is, it is a sorted singly linked
list with skip pointers that skip over delta-time events. list with skip pointers that skip over delta-time events.
@ -263,3 +271,22 @@ Each bit of a variable is created by a ``.var'' statement. For example:
becomes: becomes:
a .var; a .var;
/*
* Copyright (c) 2001 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
* General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/