Archived
Renamed packages to match Java guidelines.
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/*
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* @(#)Machine.java 2.1 2003/10/07
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*
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* Copyright (C) 1999, 2003 D.A. Watt and D.F. Brown
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* Dept. of Computing Science, University of Glasgow, Glasgow G12 8QQ Scotland
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* and School of Computer and Math Sciences, The Robert Gordon University,
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* St. Andrew Street, Aberdeen AB25 1HG, Scotland.
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* All rights reserved.
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*
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* This software is provided free for educational use only. It may
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* not be used for commercial purposes without the prior written permission
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* of the authors.
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*/
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package triangle.abstractMachine;
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public final class Machine {
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public final static int maxRoutineLevel = 7;
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// WORDS AND ADDRESSES
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// Java has no type synonyms, so the following representations are
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// assumed:
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//
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// type
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// Word = -32767..+32767; {16 bits signed}
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// DoubleWord = -2147483648..+2147483647; {32 bits signed}
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// CodeAddress = 0..+32767; {15 bits unsigned}
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// DataAddress = 0..+32767; {15 bits unsigned}
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// INSTRUCTIONS
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// CODE STORE
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public static Instruction[] code = new Instruction[1024];
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// CODE STORE REGISTERS
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public final static int CB = 0, PB = 1024, // = upper bound of code array + 1
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PT = 1052; // = PB + 28
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// REGISTER NUMBERS
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// DATA REPRESENTATION
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public final static int booleanSize = 1, characterSize = 1, integerSize = 1, addressSize = 1,
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closureSize = 2 * addressSize,
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linkDataSize = 3 * addressSize,
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falseRep = 0, trueRep = 1, maxintRep = 32767;
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}
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