Merge pull request #17 from teverett/master

First commit of pdp7Parse

pdp7parse/.gitignore

@@ -0,0 +1,8 @@
+/**/*.log
+/**/.DS_Store
+/**/.project
+/**/.classpath
+/**/.settings/
+/**/target
+/**/test-output
+ANTLRv4Lexer.g4

pdp7parse/README.md

@@ -0,0 +1,7 @@
+PDP7Parse
+---
+
+PDP7Parse is an example of parsing PDP7 using an [Antlr4](http://www.antlr.org/) grammar.  The authoritative home of the grammar file is on Antlr4 [grammars-v4](https://github.com/antlr/grammars-v4) tree.
+
+PDP7Parse could be extended to implement a simple assembler for pdp7-unix.
+

pdp7parse/pom.xml

@@ -0,0 +1,58 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>com.khubla.pdp7</groupId>
+	<artifactId>pdp7parse</artifactId>
+	<packaging>jar</packaging>
+	<name>khubla.com PDP7 Parser</name>
+	<version>1.0</version>
+	<properties>
+		<antlr.version>4.5</antlr.version>
+	</properties>
+	<dependencies>
+		<dependency>
+			<groupId>commons-cli</groupId>
+			<artifactId>commons-cli</artifactId>
+			<version>1.2</version>
+			<type>jar</type>
+			<scope>compile</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.antlr</groupId>
+			<artifactId>antlr4-runtime</artifactId>
+			<version>${antlr.version}</version>
+			<type>jar</type>
+			<scope>compile</scope>
+		</dependency>
+		<dependency>
+			<groupId>commons-io</groupId>
+			<artifactId>commons-io</artifactId>
+			<version>2.4</version>
+		</dependency>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>4.11</version>
+		</dependency>
+	</dependencies>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<configuration>
+					<source>1.6</source>
+					<target>1.6</target>
+				</configuration>
+			</plugin>
+			<plugin>
+				<groupId>org.antlr</groupId>
+				<artifactId>antlr4-maven-plugin</artifactId>
+				<version>${antlr.version}</version>
+				<configuration>
+					<grammars>pdp7.g4</grammars>
+					<outputDirectory>src/main/java</outputDirectory>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+</project>

pdp7parse/src/main/antlr4/com/khubla/pdp7parse/antlr4/pdp7.g4

@@ -0,0 +1,281 @@
+/*
+BSD License
+
+Copyright (c) 2013, Tom Everett
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+3. Neither the name of Tom Everett nor the names of its contributors
+   may be used to endorse or promote products derived from this software
+   without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+grammar pdp7;
+
+prog
+   : line +
+   ;
+
+line
+   : declarations? comment? eol
+   ;
+
+declarations
+   : declaration (';' declaration)*
+   ;
+
+//  multiple labels can occur on the same line
+declaration
+   : label* (instruction | assignment | expression)*
+   ;
+
+instruction
+   : opcode argument*
+   ;
+
+argument
+   : expression
+   ;
+
+assignment
+   : (variable | LOC | RELOC) '=' expression
+   ;
+
+expression
+   : multiplyingExpression ((PLUS | MINUS) multiplyingExpression)*
+   ;
+
+multiplyingExpression
+   : atom ((TIMES | DIV) atom)*
+   ;
+
+atom
+   : variable
+   | LOC
+   | RELOC
+   | string
+   | DECIMAL
+   | DECIMAL_MINUS
+   | OCTAL
+   | signednumber
+   ;
+
+// string chars, then potentially more than 1 octal constant, then potentially '>'
+string
+    : STRING NUMERIC_LITERAL* '>'?
+    ;
+
+signednumber
+   : '-'? NUMERIC_LITERAL
+   ;
+
+eol
+   : EOL
+   ;
+
+comment
+   : COMMENT
+   ;
+
+label
+   : LABEL
+   ;
+
+variable
+   : IDENTIFIER
+   ;
+
+opcode
+   : 'dac'
+   | 'jms'
+   | 'dzm'
+   | 'lac'
+   | 'xor'
+   | 'add'
+   | 'tad'
+   | 'xct'
+   | 'isz'
+   | 'and'
+   | 'sad'
+   | 'jmp'
+   | 'nop'
+//   | 'i'
+   | 'law'
+   | 'cma'
+   | 'las'
+   | 'ral'
+   | 'rar'
+   | 'hlt'
+   | 'sma'
+   | 'sza'
+   | 'snl'
+   | 'skp'
+   | 'sna'
+   | 'szl'
+   | 'rtl'
+   | 'rtr'
+   | 'cil'
+   | 'rcl'
+   | 'rcr'
+   | 'cia'
+   | 'lrs'
+   | 'lrss'
+   | 'lls'
+   | 'llss'
+   | 'als'
+   | 'alss'
+   | 'mul'
+   | 'idiv'
+   | 'lacq'
+   | 'clq'
+   | 'omq'
+   | 'cmq'
+   | 'lmq'
+   | 'dscs'
+   | 'dslw'
+   | 'dslm'
+   | 'dsld'
+   | 'dsls'
+   | 'dssf'
+   | 'dsrs'
+   | 'iof'
+   | 'ion'
+   | 'caf'
+   | 'clon'
+   | 'clsf'
+   | 'clof'
+   | 'ksf'
+   | 'krb'
+   | 'tsf'
+   | 'tcf'
+   | 'tls'
+   | 'sck'
+   | 'cck'
+   | 'lck'
+   | 'rsf'
+   | 'rsa'
+   | 'rrb'
+   | 'psf'
+   | 'pcf'
+   | 'psa'
+   | 'cdf'
+   | 'rlpd'
+   | 'lda'
+   | 'wcga'
+   | 'raef'
+   | 'rlpd'
+   | 'beg'
+   | 'spb'
+   | 'cpb'
+   | 'lpb'
+   | 'wbl'
+   | 'dprs'
+   | 'dpsf'
+   | 'dpcf'
+   | 'dprc'
+   | 'crsf'
+   | 'crrb'
+   | 'sys'
+   | 'czm'
+   | 'irss'
+   | 'dsm'
+   ;
+
+LOC
+   : '.'
+   ;
+
+
+RELOC
+   : '..'
+   ;
+
+
+PLUS
+   : '+'
+   ;
+
+
+MINUS
+   : '-'
+   ;
+
+
+TIMES
+   : '*'
+   ;
+
+
+DIV
+   : '/'
+   ;
+
+
+LABEL
+   : [a-zA-Z0-9.] + ':'
+   ;
+
+
+// the period is considered a letter
+IDENTIFIER
+   : [a-zA-Z] [a-zA-Z0-9.]*
+   ;
+
+
+NUMERIC_LITERAL
+   : [0-9][0-9a-f]*
+   ;
+
+DECIMAL
+   : 'd' [0-9] +
+   ;
+
+
+OCTAL
+   : 'o' [0-7] +
+   ;
+
+
+DECIMAL_MINUS
+   : 'dm' [0-9] +
+   ;
+
+
+STRING
+   : '<' [a-zA-Z0-9$*,%/]*
+   ;
+
+
+COMMENT
+   : '"' ~ [\r\n]*
+   ;
+
+
+EOL
+   : [\r\n]+
+   ;
+
+
+WS
+   : [ \t] -> skip
+   ;

pdp7parse/src/main/java/com/khubla/pdp7parse/PDP7Parse.java

@@ -0,0 +1,62 @@
+package com.khubla.pdp7parse;
+
+import java.io.File;
+import java.io.FileInputStream;
+
+import org.apache.commons.cli.CommandLine;
+import org.apache.commons.cli.CommandLineParser;
+import org.apache.commons.cli.HelpFormatter;
+import org.apache.commons.cli.Option;
+import org.apache.commons.cli.OptionBuilder;
+import org.apache.commons.cli.Options;
+import org.apache.commons.cli.PosixParser;
+
+/**
+ * @author tom
+ */
+public class PDP7Parse {
+   public static void main(String[] args) {
+      try {
+         System.out.println("khubla.com PDP7 Parser");
+         /*
+          * options
+          */
+         final Options options = new Options();
+         OptionBuilder.withArgName(INPUT_FILE_OPTION);
+         OptionBuilder.isRequired();
+         OptionBuilder.withType(String.class);
+         OptionBuilder.hasArg();
+         OptionBuilder.withDescription("file to read");
+         final Option ifo = OptionBuilder.create(INPUT_FILE_OPTION);
+         options.addOption(ifo);
+         /*
+          * parse
+          */
+         final CommandLineParser parser = new PosixParser();
+         CommandLine cmd = null;
+         try {
+            cmd = parser.parse(options, args);
+         } catch (final Exception e) {
+            e.printStackTrace();
+            final HelpFormatter formatter = new HelpFormatter();
+            formatter.printHelp("posix", options);
+            System.exit(0);
+         }
+         /*
+          * get file
+          */
+         final String inputFileName = cmd.getOptionValue(INPUT_FILE_OPTION);
+         final File inputFile = new File(inputFileName);
+         if (inputFile.exists()) {
+            PDP7Parser.parse(new FileInputStream(inputFile), System.out);
+         }
+      } catch (final Exception e) {
+         e.printStackTrace();
+      }
+   }
+
+   /**
+    * file option
+    */
+   private static final String INPUT_FILE_OPTION = "file";
+}

pdp7parse/src/main/java/com/khubla/pdp7parse/PDP7Parser.java

@@ -0,0 +1,31 @@
+package com.khubla.pdp7parse;
+
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.Reader;
+
+import org.antlr.v4.runtime.ANTLRInputStream;
+import org.antlr.v4.runtime.CommonTokenStream;
+
+import com.khubla.pdp7parse.antlr4.pdp7Lexer;
+import com.khubla.pdp7parse.antlr4.pdp7Parser;
+import com.khubla.pdp7parse.antlr4.pdp7Parser.ProgContext;
+
+public class PDP7Parser {
+   public static ProgContext parse(InputStream inputStream, OutputStream outputStream) throws Exception {
+      try {
+         if (null != inputStream) {
+            final Reader reader = new InputStreamReader(inputStream, "UTF-8");
+            final pdp7Lexer lexer = new pdp7Lexer(new ANTLRInputStream(reader));
+            final CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
+            final pdp7Parser parser = new pdp7Parser(commonTokenStream);
+            return parser.prog();
+         } else {
+            throw new IllegalArgumentException();
+         }
+      } catch (final Exception e) {
+         throw new Exception("Exception reading and parsing file", e);
+      }
+   }
+}

pdp7parse/src/main/java/com/khubla/pdp7parse/antlr4/pdp7BaseListener.java

@@ -0,0 +1,244 @@
+// Generated from com/khubla/pdp7parse/antlr4/pdp7.g4 by ANTLR 4.5
+package com.khubla.pdp7parse.antlr4;
+
+import org.antlr.v4.runtime.ParserRuleContext;
+import org.antlr.v4.runtime.misc.NotNull;
+import org.antlr.v4.runtime.tree.ErrorNode;
+import org.antlr.v4.runtime.tree.TerminalNode;
+
+/**
+ * This class provides an empty implementation of {@link pdp7Listener},
+ * which can be extended to create a listener which only needs to handle a subset
+ * of the available methods.
+ */
+public class pdp7BaseListener implements pdp7Listener {
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterProg(pdp7Parser.ProgContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitProg(pdp7Parser.ProgContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterLine(pdp7Parser.LineContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitLine(pdp7Parser.LineContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterDeclarations(pdp7Parser.DeclarationsContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitDeclarations(pdp7Parser.DeclarationsContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterDeclaration(pdp7Parser.DeclarationContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitDeclaration(pdp7Parser.DeclarationContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterInstruction(pdp7Parser.InstructionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitInstruction(pdp7Parser.InstructionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterArgument(pdp7Parser.ArgumentContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitArgument(pdp7Parser.ArgumentContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterAssignment(pdp7Parser.AssignmentContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitAssignment(pdp7Parser.AssignmentContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterExpression(pdp7Parser.ExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitExpression(pdp7Parser.ExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterMultiplyingExpression(pdp7Parser.MultiplyingExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitMultiplyingExpression(pdp7Parser.MultiplyingExpressionContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterAtom(pdp7Parser.AtomContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitAtom(pdp7Parser.AtomContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterString(pdp7Parser.StringContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitString(pdp7Parser.StringContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterSignednumber(pdp7Parser.SignednumberContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitSignednumber(pdp7Parser.SignednumberContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterEol(pdp7Parser.EolContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitEol(pdp7Parser.EolContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterComment(pdp7Parser.CommentContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitComment(pdp7Parser.CommentContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterLabel(pdp7Parser.LabelContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitLabel(pdp7Parser.LabelContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterVariable(pdp7Parser.VariableContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitVariable(pdp7Parser.VariableContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterOpcode(pdp7Parser.OpcodeContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitOpcode(pdp7Parser.OpcodeContext ctx) { }
+
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterEveryRule(ParserRuleContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitEveryRule(ParserRuleContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void visitTerminal(TerminalNode node) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void visitErrorNode(ErrorNode node) { }
+}

pdp7parse/src/main/java/com/khubla/pdp7parse/antlr4/pdp7Lexer.java

@@ -0,0 +1,372 @@
+// Generated from com/khubla/pdp7parse/antlr4/pdp7.g4 by ANTLR 4.5
+package com.khubla.pdp7parse.antlr4;
+import org.antlr.v4.runtime.Lexer;
+import org.antlr.v4.runtime.CharStream;
+import org.antlr.v4.runtime.Token;
+import org.antlr.v4.runtime.TokenStream;
+import org.antlr.v4.runtime.*;
+import org.antlr.v4.runtime.atn.*;
+import org.antlr.v4.runtime.dfa.DFA;
+import org.antlr.v4.runtime.misc.*;
+
+@SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast"})
+public class pdp7Lexer extends Lexer {
+	static { RuntimeMetaData.checkVersion("4.5", RuntimeMetaData.VERSION); }
+
+	protected static final DFA[] _decisionToDFA;
+	protected static final PredictionContextCache _sharedContextCache =
+		new PredictionContextCache();
+	public static final int
+		T__0=1, T__1=2, T__2=3, T__3=4, T__4=5, T__5=6, T__6=7, T__7=8, T__8=9, 
+		T__9=10, T__10=11, T__11=12, T__12=13, T__13=14, T__14=15, T__15=16, T__16=17, 
+		T__17=18, T__18=19, T__19=20, T__20=21, T__21=22, T__22=23, T__23=24, 
+		T__24=25, T__25=26, T__26=27, T__27=28, T__28=29, T__29=30, T__30=31, 
+		T__31=32, T__32=33, T__33=34, T__34=35, T__35=36, T__36=37, T__37=38, 
+		T__38=39, T__39=40, T__40=41, T__41=42, T__42=43, T__43=44, T__44=45, 
+		T__45=46, T__46=47, T__47=48, T__48=49, T__49=50, T__50=51, T__51=52, 
+		T__52=53, T__53=54, T__54=55, T__55=56, T__56=57, T__57=58, T__58=59, 
+		T__59=60, T__60=61, T__61=62, T__62=63, T__63=64, T__64=65, T__65=66, 
+		T__66=67, T__67=68, T__68=69, T__69=70, T__70=71, T__71=72, T__72=73, 
+		T__73=74, T__74=75, T__75=76, T__76=77, T__77=78, T__78=79, T__79=80, 
+		T__80=81, T__81=82, T__82=83, T__83=84, T__84=85, T__85=86, T__86=87, 
+		T__87=88, T__88=89, T__89=90, T__90=91, T__91=92, T__92=93, T__93=94, 
+		LOC=95, RELOC=96, PLUS=97, MINUS=98, TIMES=99, DIV=100, LABEL=101, IDENTIFIER=102, 
+		NUMERIC_LITERAL=103, DECIMAL=104, OCTAL=105, DECIMAL_MINUS=106, STRING=107, 
+		COMMENT=108, EOL=109, WS=110;
+	public static String[] modeNames = {
+		"DEFAULT_MODE"
+	};
+
+	public static final String[] ruleNames = {
+		"T__0", "T__1", "T__2", "T__3", "T__4", "T__5", "T__6", "T__7", "T__8", 
+		"T__9", "T__10", "T__11", "T__12", "T__13", "T__14", "T__15", "T__16", 
+		"T__17", "T__18", "T__19", "T__20", "T__21", "T__22", "T__23", "T__24", 
+		"T__25", "T__26", "T__27", "T__28", "T__29", "T__30", "T__31", "T__32", 
+		"T__33", "T__34", "T__35", "T__36", "T__37", "T__38", "T__39", "T__40", 
+		"T__41", "T__42", "T__43", "T__44", "T__45", "T__46", "T__47", "T__48", 
+		"T__49", "T__50", "T__51", "T__52", "T__53", "T__54", "T__55", "T__56", 
+		"T__57", "T__58", "T__59", "T__60", "T__61", "T__62", "T__63", "T__64", 
+		"T__65", "T__66", "T__67", "T__68", "T__69", "T__70", "T__71", "T__72", 
+		"T__73", "T__74", "T__75", "T__76", "T__77", "T__78", "T__79", "T__80", 
+		"T__81", "T__82", "T__83", "T__84", "T__85", "T__86", "T__87", "T__88", 
+		"T__89", "T__90", "T__91", "T__92", "T__93", "LOC", "RELOC", "PLUS", "MINUS", 
+		"TIMES", "DIV", "LABEL", "IDENTIFIER", "NUMERIC_LITERAL", "DECIMAL", "OCTAL", 
+		"DECIMAL_MINUS", "STRING", "COMMENT", "EOL", "WS"
+	};
+
+	private static final String[] _LITERAL_NAMES = {
+		null, "';'", "'='", "'>'", "'dac'", "'jms'", "'dzm'", "'lac'", "'xor'", 
+		"'add'", "'tad'", "'xct'", "'isz'", "'and'", "'sad'", "'jmp'", "'nop'", 
+		"'law'", "'cma'", "'las'", "'ral'", "'rar'", "'hlt'", "'sma'", "'sza'", 
+		"'snl'", "'skp'", "'sna'", "'szl'", "'rtl'", "'rtr'", "'cil'", "'rcl'", 
+		"'rcr'", "'cia'", "'lrs'", "'lrss'", "'lls'", "'llss'", "'als'", "'alss'", 
+		"'mul'", "'idiv'", "'lacq'", "'clq'", "'omq'", "'cmq'", "'lmq'", "'dscs'", 
+		"'dslw'", "'dslm'", "'dsld'", "'dsls'", "'dssf'", "'dsrs'", "'iof'", "'ion'", 
+		"'caf'", "'clon'", "'clsf'", "'clof'", "'ksf'", "'krb'", "'tsf'", "'tcf'", 
+		"'tls'", "'sck'", "'cck'", "'lck'", "'rsf'", "'rsa'", "'rrb'", "'psf'", 
+		"'pcf'", "'psa'", "'cdf'", "'rlpd'", "'lda'", "'wcga'", "'raef'", "'beg'", 
+		"'spb'", "'cpb'", "'lpb'", "'wbl'", "'dprs'", "'dpsf'", "'dpcf'", "'dprc'", 
+		"'crsf'", "'crrb'", "'sys'", "'czm'", "'irss'", "'dsm'", "'.'", "'..'", 
+		"'+'", "'-'", "'*'", "'/'"
+	};
+	private static final String[] _SYMBOLIC_NAMES = {
+		null, null, null, null, null, null, null, null, null, null, null, null, 
+		null, null, null, null, null, null, null, null, null, null, null, null, 
+		null, null, null, null, null, null, null, null, null, null, null, null, 
+		null, null, null, null, null, null, null, null, null, null, null, null, 
+		null, null, null, null, null, null, null, null, null, null, null, null, 
+		null, null, null, null, null, null, null, null, null, null, null, null, 
+		null, null, null, null, null, null, null, null, null, null, null, null, 
+		null, null, null, null, null, null, null, null, null, null, null, "LOC", 
+		"RELOC", "PLUS", "MINUS", "TIMES", "DIV", "LABEL", "IDENTIFIER", "NUMERIC_LITERAL", 
+		"DECIMAL", "OCTAL", "DECIMAL_MINUS", "STRING", "COMMENT", "EOL", "WS"
+	};
+	public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);
+
+	/**
+	 * @deprecated Use {@link #VOCABULARY} instead.
+	 */
+	@Deprecated
+	public static final String[] tokenNames;
+	static {
+		tokenNames = new String[_SYMBOLIC_NAMES.length];
+		for (int i = 0; i < tokenNames.length; i++) {
+			tokenNames[i] = VOCABULARY.getLiteralName(i);
+			if (tokenNames[i] == null) {
+				tokenNames[i] = VOCABULARY.getSymbolicName(i);
+			}
+
+			if (tokenNames[i] == null) {
+				tokenNames[i] = "<INVALID>";
+			}
+		}
+	}
+
+	@Override
+	@Deprecated
+	public String[] getTokenNames() {
+		return tokenNames;
+	}
+
+	@Override
+
+	public Vocabulary getVocabulary() {
+		return VOCABULARY;
+	}
+
+
+	public pdp7Lexer(CharStream input) {
+		super(input);
+		_interp = new LexerATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
+	}
+
+	@Override
+	public String getGrammarFileName() { return "pdp7.g4"; }
+
+	@Override
+	public String[] getRuleNames() { return ruleNames; }
+
+	@Override
+	public String getSerializedATN() { return _serializedATN; }
+
+	@Override
+	public String[] getModeNames() { return modeNames; }
+
+	@Override
+	public ATN getATN() { return _ATN; }
+
+	public static final String _serializedATN =
+		"\3\u0430\ud6d1\u8206\uad2d\u4417\uaef1\u8d80\uaadd\2p\u02b7\b\1\4\2\t"+
+		"\2\4\3\t\3\4\4\t\4\4\5\t\5\4\6\t\6\4\7\t\7\4\b\t\b\4\t\t\t\4\n\t\n\4\13"+
+		"\t\13\4\f\t\f\4\r\t\r\4\16\t\16\4\17\t\17\4\20\t\20\4\21\t\21\4\22\t\22"+
+		"\4\23\t\23\4\24\t\24\4\25\t\25\4\26\t\26\4\27\t\27\4\30\t\30\4\31\t\31"+
+		"\4\32\t\32\4\33\t\33\4\34\t\34\4\35\t\35\4\36\t\36\4\37\t\37\4 \t \4!"+
+		"\t!\4\"\t\"\4#\t#\4$\t$\4%\t%\4&\t&\4\'\t\'\4(\t(\4)\t)\4*\t*\4+\t+\4"+
+		",\t,\4-\t-\4.\t.\4/\t/\4\60\t\60\4\61\t\61\4\62\t\62\4\63\t\63\4\64\t"+
+		"\64\4\65\t\65\4\66\t\66\4\67\t\67\48\t8\49\t9\4:\t:\4;\t;\4<\t<\4=\t="+
+		"\4>\t>\4?\t?\4@\t@\4A\tA\4B\tB\4C\tC\4D\tD\4E\tE\4F\tF\4G\tG\4H\tH\4I"+
+		"\tI\4J\tJ\4K\tK\4L\tL\4M\tM\4N\tN\4O\tO\4P\tP\4Q\tQ\4R\tR\4S\tS\4T\tT"+
+		"\4U\tU\4V\tV\4W\tW\4X\tX\4Y\tY\4Z\tZ\4[\t[\4\\\t\\\4]\t]\4^\t^\4_\t_\4"+
+		"`\t`\4a\ta\4b\tb\4c\tc\4d\td\4e\te\4f\tf\4g\tg\4h\th\4i\ti\4j\tj\4k\t"+
+		"k\4l\tl\4m\tm\4n\tn\4o\to\3\2\3\2\3\3\3\3\3\4\3\4\3\5\3\5\3\5\3\5\3\6"+
+		"\3\6\3\6\3\6\3\7\3\7\3\7\3\7\3\b\3\b\3\b\3\b\3\t\3\t\3\t\3\t\3\n\3\n\3"+
+		"\n\3\n\3\13\3\13\3\13\3\13\3\f\3\f\3\f\3\f\3\r\3\r\3\r\3\r\3\16\3\16\3"+
+		"\16\3\16\3\17\3\17\3\17\3\17\3\20\3\20\3\20\3\20\3\21\3\21\3\21\3\21\3"+
+		"\22\3\22\3\22\3\22\3\23\3\23\3\23\3\23\3\24\3\24\3\24\3\24\3\25\3\25\3"+
+		"\25\3\25\3\26\3\26\3\26\3\26\3\27\3\27\3\27\3\27\3\30\3\30\3\30\3\30\3"+
+		"\31\3\31\3\31\3\31\3\32\3\32\3\32\3\32\3\33\3\33\3\33\3\33\3\34\3\34\3"+
+		"\34\3\34\3\35\3\35\3\35\3\35\3\36\3\36\3\36\3\36\3\37\3\37\3\37\3\37\3"+
+		" \3 \3 \3 \3!\3!\3!\3!\3\"\3\"\3\"\3\"\3#\3#\3#\3#\3$\3$\3$\3$\3%\3%\3"+
+		"%\3%\3%\3&\3&\3&\3&\3\'\3\'\3\'\3\'\3\'\3(\3(\3(\3(\3)\3)\3)\3)\3)\3*"+
+		"\3*\3*\3*\3+\3+\3+\3+\3+\3,\3,\3,\3,\3,\3-\3-\3-\3-\3.\3.\3.\3.\3/\3/"+
+		"\3/\3/\3\60\3\60\3\60\3\60\3\61\3\61\3\61\3\61\3\61\3\62\3\62\3\62\3\62"+
+		"\3\62\3\63\3\63\3\63\3\63\3\63\3\64\3\64\3\64\3\64\3\64\3\65\3\65\3\65"+
+		"\3\65\3\65\3\66\3\66\3\66\3\66\3\66\3\67\3\67\3\67\3\67\3\67\38\38\38"+
+		"\38\39\39\39\39\3:\3:\3:\3:\3;\3;\3;\3;\3;\3<\3<\3<\3<\3<\3=\3=\3=\3="+
+		"\3=\3>\3>\3>\3>\3?\3?\3?\3?\3@\3@\3@\3@\3A\3A\3A\3A\3B\3B\3B\3B\3C\3C"+
+		"\3C\3C\3D\3D\3D\3D\3E\3E\3E\3E\3F\3F\3F\3F\3G\3G\3G\3G\3H\3H\3H\3H\3I"+
+		"\3I\3I\3I\3J\3J\3J\3J\3K\3K\3K\3K\3L\3L\3L\3L\3M\3M\3M\3M\3M\3N\3N\3N"+
+		"\3N\3O\3O\3O\3O\3O\3P\3P\3P\3P\3P\3Q\3Q\3Q\3Q\3R\3R\3R\3R\3S\3S\3S\3S"+
+		"\3T\3T\3T\3T\3U\3U\3U\3U\3V\3V\3V\3V\3V\3W\3W\3W\3W\3W\3X\3X\3X\3X\3X"+
+		"\3Y\3Y\3Y\3Y\3Y\3Z\3Z\3Z\3Z\3Z\3[\3[\3[\3[\3[\3\\\3\\\3\\\3\\\3]\3]\3"+
+		"]\3]\3^\3^\3^\3^\3^\3_\3_\3_\3_\3`\3`\3a\3a\3a\3b\3b\3c\3c\3d\3d\3e\3"+
+		"e\3f\6f\u0279\nf\rf\16f\u027a\3f\3f\3g\3g\7g\u0281\ng\fg\16g\u0284\13"+
+		"g\3h\3h\7h\u0288\nh\fh\16h\u028b\13h\3i\3i\6i\u028f\ni\ri\16i\u0290\3"+
+		"j\3j\6j\u0295\nj\rj\16j\u0296\3k\3k\3k\3k\6k\u029d\nk\rk\16k\u029e\3l"+
+		"\3l\7l\u02a3\nl\fl\16l\u02a6\13l\3m\3m\7m\u02aa\nm\fm\16m\u02ad\13m\3"+
+		"n\6n\u02b0\nn\rn\16n\u02b1\3o\3o\3o\3o\2\2p\3\3\5\4\7\5\t\6\13\7\r\b\17"+
+		"\t\21\n\23\13\25\f\27\r\31\16\33\17\35\20\37\21!\22#\23%\24\'\25)\26+"+
+		"\27-\30/\31\61\32\63\33\65\34\67\359\36;\37= ?!A\"C#E$G%I&K\'M(O)Q*S+"+
+		"U,W-Y.[/]\60_\61a\62c\63e\64g\65i\66k\67m8o9q:s;u<w=y>{?}@\177A\u0081"+
+		"B\u0083C\u0085D\u0087E\u0089F\u008bG\u008dH\u008fI\u0091J\u0093K\u0095"+
+		"L\u0097M\u0099N\u009bO\u009dP\u009fQ\u00a1R\u00a3S\u00a5T\u00a7U\u00a9"+
+		"V\u00abW\u00adX\u00afY\u00b1Z\u00b3[\u00b5\\\u00b7]\u00b9^\u00bb_\u00bd"+
+		"`\u00bfa\u00c1b\u00c3c\u00c5d\u00c7e\u00c9f\u00cbg\u00cdh\u00cfi\u00d1"+
+		"j\u00d3k\u00d5l\u00d7m\u00d9n\u00dbo\u00ddp\3\2\n\6\2\60\60\62;C\\c|\4"+
+		"\2C\\c|\3\2\62;\4\2\62;ch\3\2\629\b\2&\',,..\61;C\\c|\4\2\f\f\17\17\4"+
+		"\2\13\13\"\"\u02bf\2\3\3\2\2\2\2\5\3\2\2\2\2\7\3\2\2\2\2\t\3\2\2\2\2\13"+
+		"\3\2\2\2\2\r\3\2\2\2\2\17\3\2\2\2\2\21\3\2\2\2\2\23\3\2\2\2\2\25\3\2\2"+
+		"\2\2\27\3\2\2\2\2\31\3\2\2\2\2\33\3\2\2\2\2\35\3\2\2\2\2\37\3\2\2\2\2"+
+		"!\3\2\2\2\2#\3\2\2\2\2%\3\2\2\2\2\'\3\2\2\2\2)\3\2\2\2\2+\3\2\2\2\2-\3"+
+		"\2\2\2\2/\3\2\2\2\2\61\3\2\2\2\2\63\3\2\2\2\2\65\3\2\2\2\2\67\3\2\2\2"+
+		"\29\3\2\2\2\2;\3\2\2\2\2=\3\2\2\2\2?\3\2\2\2\2A\3\2\2\2\2C\3\2\2\2\2E"+
+		"\3\2\2\2\2G\3\2\2\2\2I\3\2\2\2\2K\3\2\2\2\2M\3\2\2\2\2O\3\2\2\2\2Q\3\2"+
+		"\2\2\2S\3\2\2\2\2U\3\2\2\2\2W\3\2\2\2\2Y\3\2\2\2\2[\3\2\2\2\2]\3\2\2\2"+
+		"\2_\3\2\2\2\2a\3\2\2\2\2c\3\2\2\2\2e\3\2\2\2\2g\3\2\2\2\2i\3\2\2\2\2k"+
+		"\3\2\2\2\2m\3\2\2\2\2o\3\2\2\2\2q\3\2\2\2\2s\3\2\2\2\2u\3\2\2\2\2w\3\2"+
+		"\2\2\2y\3\2\2\2\2{\3\2\2\2\2}\3\2\2\2\2\177\3\2\2\2\2\u0081\3\2\2\2\2"+
+		"\u0083\3\2\2\2\2\u0085\3\2\2\2\2\u0087\3\2\2\2\2\u0089\3\2\2\2\2\u008b"+
+		"\3\2\2\2\2\u008d\3\2\2\2\2\u008f\3\2\2\2\2\u0091\3\2\2\2\2\u0093\3\2\2"+
+		"\2\2\u0095\3\2\2\2\2\u0097\3\2\2\2\2\u0099\3\2\2\2\2\u009b\3\2\2\2\2\u009d"+
+		"\3\2\2\2\2\u009f\3\2\2\2\2\u00a1\3\2\2\2\2\u00a3\3\2\2\2\2\u00a5\3\2\2"+
+		"\2\2\u00a7\3\2\2\2\2\u00a9\3\2\2\2\2\u00ab\3\2\2\2\2\u00ad\3\2\2\2\2\u00af"+
+		"\3\2\2\2\2\u00b1\3\2\2\2\2\u00b3\3\2\2\2\2\u00b5\3\2\2\2\2\u00b7\3\2\2"+
+		"\2\2\u00b9\3\2\2\2\2\u00bb\3\2\2\2\2\u00bd\3\2\2\2\2\u00bf\3\2\2\2\2\u00c1"+
+		"\3\2\2\2\2\u00c3\3\2\2\2\2\u00c5\3\2\2\2\2\u00c7\3\2\2\2\2\u00c9\3\2\2"+
+		"\2\2\u00cb\3\2\2\2\2\u00cd\3\2\2\2\2\u00cf\3\2\2\2\2\u00d1\3\2\2\2\2\u00d3"+
+		"\3\2\2\2\2\u00d5\3\2\2\2\2\u00d7\3\2\2\2\2\u00d9\3\2\2\2\2\u00db\3\2\2"+
+		"\2\2\u00dd\3\2\2\2\3\u00df\3\2\2\2\5\u00e1\3\2\2\2\7\u00e3\3\2\2\2\t\u00e5"+
+		"\3\2\2\2\13\u00e9\3\2\2\2\r\u00ed\3\2\2\2\17\u00f1\3\2\2\2\21\u00f5\3"+
+		"\2\2\2\23\u00f9\3\2\2\2\25\u00fd\3\2\2\2\27\u0101\3\2\2\2\31\u0105\3\2"+
+		"\2\2\33\u0109\3\2\2\2\35\u010d\3\2\2\2\37\u0111\3\2\2\2!\u0115\3\2\2\2"+
+		"#\u0119\3\2\2\2%\u011d\3\2\2\2\'\u0121\3\2\2\2)\u0125\3\2\2\2+\u0129\3"+
+		"\2\2\2-\u012d\3\2\2\2/\u0131\3\2\2\2\61\u0135\3\2\2\2\63\u0139\3\2\2\2"+
+		"\65\u013d\3\2\2\2\67\u0141\3\2\2\29\u0145\3\2\2\2;\u0149\3\2\2\2=\u014d"+
+		"\3\2\2\2?\u0151\3\2\2\2A\u0155\3\2\2\2C\u0159\3\2\2\2E\u015d\3\2\2\2G"+
+		"\u0161\3\2\2\2I\u0165\3\2\2\2K\u016a\3\2\2\2M\u016e\3\2\2\2O\u0173\3\2"+
+		"\2\2Q\u0177\3\2\2\2S\u017c\3\2\2\2U\u0180\3\2\2\2W\u0185\3\2\2\2Y\u018a"+
+		"\3\2\2\2[\u018e\3\2\2\2]\u0192\3\2\2\2_\u0196\3\2\2\2a\u019a\3\2\2\2c"+
+		"\u019f\3\2\2\2e\u01a4\3\2\2\2g\u01a9\3\2\2\2i\u01ae\3\2\2\2k\u01b3\3\2"+
+		"\2\2m\u01b8\3\2\2\2o\u01bd\3\2\2\2q\u01c1\3\2\2\2s\u01c5\3\2\2\2u\u01c9"+
+		"\3\2\2\2w\u01ce\3\2\2\2y\u01d3\3\2\2\2{\u01d8\3\2\2\2}\u01dc\3\2\2\2\177"+
+		"\u01e0\3\2\2\2\u0081\u01e4\3\2\2\2\u0083\u01e8\3\2\2\2\u0085\u01ec\3\2"+
+		"\2\2\u0087\u01f0\3\2\2\2\u0089\u01f4\3\2\2\2\u008b\u01f8\3\2\2\2\u008d"+
+		"\u01fc\3\2\2\2\u008f\u0200\3\2\2\2\u0091\u0204\3\2\2\2\u0093\u0208\3\2"+
+		"\2\2\u0095\u020c\3\2\2\2\u0097\u0210\3\2\2\2\u0099\u0214\3\2\2\2\u009b"+
+		"\u0219\3\2\2\2\u009d\u021d\3\2\2\2\u009f\u0222\3\2\2\2\u00a1\u0227\3\2"+
+		"\2\2\u00a3\u022b\3\2\2\2\u00a5\u022f\3\2\2\2\u00a7\u0233\3\2\2\2\u00a9"+
+		"\u0237\3\2\2\2\u00ab\u023b\3\2\2\2\u00ad\u0240\3\2\2\2\u00af\u0245\3\2"+
+		"\2\2\u00b1\u024a\3\2\2\2\u00b3\u024f\3\2\2\2\u00b5\u0254\3\2\2\2\u00b7"+
+		"\u0259\3\2\2\2\u00b9\u025d\3\2\2\2\u00bb\u0261\3\2\2\2\u00bd\u0266\3\2"+
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+		"\u0271\3\2\2\2\u00c7\u0273\3\2\2\2\u00c9\u0275\3\2\2\2\u00cb\u0278\3\2"+
+		"\2\2\u00cd\u027e\3\2\2\2\u00cf\u0285\3\2\2\2\u00d1\u028c\3\2\2\2\u00d3"+
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+		"\2\2\u00db\u02af\3\2\2\2\u00dd\u02b3\3\2\2\2\u00df\u00e0\7=\2\2\u00e0"+
+		"\4\3\2\2\2\u00e1\u00e2\7?\2\2\u00e2\6\3\2\2\2\u00e3\u00e4\7@\2\2\u00e4"+
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+		"\24\3\2\2\2\u00fd\u00fe\7v\2\2\u00fe\u00ff\7c\2\2\u00ff\u0100\7f\2\2\u0100"+
+		"\26\3\2\2\2\u0101\u0102\7z\2\2\u0102\u0103\7e\2\2\u0103\u0104\7v\2\2\u0104"+
+		"\30\3\2\2\2\u0105\u0106\7k\2\2\u0106\u0107\7u\2\2\u0107\u0108\7|\2\2\u0108"+
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+		" \3\2\2\2\u0115\u0116\7p\2\2\u0116\u0117\7q\2\2\u0117\u0118\7r\2\2\u0118"+
+		"\"\3\2\2\2\u0119\u011a\7n\2\2\u011a\u011b\7c\2\2\u011b\u011c\7y\2\2\u011c"+
+		"$\3\2\2\2\u011d\u011e\7e\2\2\u011e\u011f\7o\2\2\u011f\u0120\7c\2\2\u0120"+
+		"&\3\2\2\2\u0121\u0122\7n\2\2\u0122\u0123\7c\2\2\u0123\u0124\7u\2\2\u0124"+
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+		",\3\2\2\2\u012d\u012e\7j\2\2\u012e\u012f\7n\2\2\u012f\u0130\7v\2\2\u0130"+
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+		"\60\3\2\2\2\u0135\u0136\7u\2\2\u0136\u0137\7|\2\2\u0137\u0138\7c\2\2\u0138"+
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+		"8\3\2\2\2\u0145\u0146\7u\2\2\u0146\u0147\7|\2\2\u0147\u0148\7n\2\2\u0148"+
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+		"D\3\2\2\2\u015d\u015e\7e\2\2\u015e\u015f\7k\2\2\u015f\u0160\7c\2\2\u0160"+
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+		"\2\u025f\u0260\7o\2\2\u0260\u00ba\3\2\2\2\u0261\u0262\7k\2\2\u0262\u0263"+
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+		"\2\2\u0294\u0293\3\2\2\2\u0295\u0296\3\2\2\2\u0296\u0294\3\2\2\2\u0296"+
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+		"\3\2\2\2\u029e\u029c\3\2\2\2\u029e\u029f\3\2\2\2\u029f\u00d6\3\2\2\2\u02a0"+
+		"\u02a4\7>\2\2\u02a1\u02a3\t\7\2\2\u02a2\u02a1\3\2\2\2\u02a3\u02a6\3\2"+
+		"\2\2\u02a4\u02a2\3\2\2\2\u02a4\u02a5\3\2\2\2\u02a5\u00d8\3\2\2\2\u02a6"+
+		"\u02a4\3\2\2\2\u02a7\u02ab\7$\2\2\u02a8\u02aa\n\b\2\2\u02a9\u02a8\3\2"+
+		"\2\2\u02aa\u02ad\3\2\2\2\u02ab\u02a9\3\2\2\2\u02ab\u02ac\3\2\2\2\u02ac"+
+		"\u00da\3\2\2\2\u02ad\u02ab\3\2\2\2\u02ae\u02b0\t\b\2\2\u02af\u02ae\3\2"+
+		"\2\2\u02b0\u02b1\3\2\2\2\u02b1\u02af\3\2\2\2\u02b1\u02b2\3\2\2\2\u02b2"+
+		"\u00dc\3\2\2\2\u02b3\u02b4\t\t\2\2\u02b4\u02b5\3\2\2\2\u02b5\u02b6\bo"+
+		"\2\2\u02b6\u00de\3\2\2\2\f\2\u027a\u0282\u0289\u0290\u0296\u029e\u02a4"+
+		"\u02ab\u02b1\3\b\2\2";
+	public static final ATN _ATN =
+		new ATNDeserializer().deserialize(_serializedATN.toCharArray());
+	static {
+		_decisionToDFA = new DFA[_ATN.getNumberOfDecisions()];
+		for (int i = 0; i < _ATN.getNumberOfDecisions(); i++) {
+			_decisionToDFA[i] = new DFA(_ATN.getDecisionState(i), i);
+		}
+	}
+}

pdp7parse/src/main/java/com/khubla/pdp7parse/antlr4/pdp7Listener.java

@@ -0,0 +1,181 @@
+// Generated from com/khubla/pdp7parse/antlr4/pdp7.g4 by ANTLR 4.5
+package com.khubla.pdp7parse.antlr4;
+import org.antlr.v4.runtime.misc.NotNull;
+import org.antlr.v4.runtime.tree.ParseTreeListener;
+
+/**
+ * This interface defines a complete listener for a parse tree produced by
+ * {@link pdp7Parser}.
+ */
+public interface pdp7Listener extends ParseTreeListener {
+	/**
+	 * Enter a parse tree produced by {@link pdp7Parser#prog}.
+	 * @param ctx the parse tree
+	 */
+	void enterProg(pdp7Parser.ProgContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link pdp7Parser#prog}.
+	 * @param ctx the parse tree
+	 */
+	void exitProg(pdp7Parser.ProgContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link pdp7Parser#line}.
+	 * @param ctx the parse tree
+	 */
+	void enterLine(pdp7Parser.LineContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link pdp7Parser#line}.
+	 * @param ctx the parse tree
+	 */
+	void exitLine(pdp7Parser.LineContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link pdp7Parser#declarations}.
+	 * @param ctx the parse tree
+	 */
+	void enterDeclarations(pdp7Parser.DeclarationsContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link pdp7Parser#declarations}.
+	 * @param ctx the parse tree
+	 */
+	void exitDeclarations(pdp7Parser.DeclarationsContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link pdp7Parser#declaration}.
+	 * @param ctx the parse tree
+	 */
+	void enterDeclaration(pdp7Parser.DeclarationContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link pdp7Parser#declaration}.
+	 * @param ctx the parse tree
+	 */
+	void exitDeclaration(pdp7Parser.DeclarationContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link pdp7Parser#instruction}.
+	 * @param ctx the parse tree
+	 */
+	void enterInstruction(pdp7Parser.InstructionContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link pdp7Parser#instruction}.
+	 * @param ctx the parse tree
+	 */
+	void exitInstruction(pdp7Parser.InstructionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link pdp7Parser#argument}.
+	 * @param ctx the parse tree
+	 */
+	void enterArgument(pdp7Parser.ArgumentContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link pdp7Parser#argument}.
+	 * @param ctx the parse tree
+	 */
+	void exitArgument(pdp7Parser.ArgumentContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link pdp7Parser#assignment}.
+	 * @param ctx the parse tree
+	 */
+	void enterAssignment(pdp7Parser.AssignmentContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link pdp7Parser#assignment}.
+	 * @param ctx the parse tree
+	 */
+	void exitAssignment(pdp7Parser.AssignmentContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link pdp7Parser#expression}.
+	 * @param ctx the parse tree
+	 */
+	void enterExpression(pdp7Parser.ExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link pdp7Parser#expression}.
+	 * @param ctx the parse tree
+	 */
+	void exitExpression(pdp7Parser.ExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link pdp7Parser#multiplyingExpression}.
+	 * @param ctx the parse tree
+	 */
+	void enterMultiplyingExpression(pdp7Parser.MultiplyingExpressionContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link pdp7Parser#multiplyingExpression}.
+	 * @param ctx the parse tree
+	 */
+	void exitMultiplyingExpression(pdp7Parser.MultiplyingExpressionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link pdp7Parser#atom}.
+	 * @param ctx the parse tree
+	 */
+	void enterAtom(pdp7Parser.AtomContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link pdp7Parser#atom}.
+	 * @param ctx the parse tree
+	 */
+	void exitAtom(pdp7Parser.AtomContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link pdp7Parser#string}.
+	 * @param ctx the parse tree
+	 */
+	void enterString(pdp7Parser.StringContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link pdp7Parser#string}.
+	 * @param ctx the parse tree
+	 */
+	void exitString(pdp7Parser.StringContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link pdp7Parser#signednumber}.
+	 * @param ctx the parse tree
+	 */
+	void enterSignednumber(pdp7Parser.SignednumberContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link pdp7Parser#signednumber}.
+	 * @param ctx the parse tree
+	 */
+	void exitSignednumber(pdp7Parser.SignednumberContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link pdp7Parser#eol}.
+	 * @param ctx the parse tree
+	 */
+	void enterEol(pdp7Parser.EolContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link pdp7Parser#eol}.
+	 * @param ctx the parse tree
+	 */
+	void exitEol(pdp7Parser.EolContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link pdp7Parser#comment}.
+	 * @param ctx the parse tree
+	 */
+	void enterComment(pdp7Parser.CommentContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link pdp7Parser#comment}.
+	 * @param ctx the parse tree
+	 */
+	void exitComment(pdp7Parser.CommentContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link pdp7Parser#label}.
+	 * @param ctx the parse tree
+	 */
+	void enterLabel(pdp7Parser.LabelContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link pdp7Parser#label}.
+	 * @param ctx the parse tree
+	 */
+	void exitLabel(pdp7Parser.LabelContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link pdp7Parser#variable}.
+	 * @param ctx the parse tree
+	 */
+	void enterVariable(pdp7Parser.VariableContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link pdp7Parser#variable}.
+	 * @param ctx the parse tree
+	 */
+	void exitVariable(pdp7Parser.VariableContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link pdp7Parser#opcode}.
+	 * @param ctx the parse tree
+	 */
+	void enterOpcode(pdp7Parser.OpcodeContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link pdp7Parser#opcode}.
+	 * @param ctx the parse tree
+	 */
+	void exitOpcode(pdp7Parser.OpcodeContext ctx);
+}

pdp7parse/src/main/java/pdp7.tokens

@@ -0,0 +1,210 @@
+T__0=1
+T__1=2
+T__2=3
+T__3=4
+T__4=5
+T__5=6
+T__6=7
+T__7=8
+T__8=9
+T__9=10
+T__10=11
+T__11=12
+T__12=13
+T__13=14
+T__14=15
+T__15=16
+T__16=17
+T__17=18
+T__18=19
+T__19=20
+T__20=21
+T__21=22
+T__22=23
+T__23=24
+T__24=25
+T__25=26
+T__26=27
+T__27=28
+T__28=29
+T__29=30
+T__30=31
+T__31=32
+T__32=33
+T__33=34
+T__34=35
+T__35=36
+T__36=37
+T__37=38
+T__38=39
+T__39=40
+T__40=41
+T__41=42
+T__42=43
+T__43=44
+T__44=45
+T__45=46
+T__46=47
+T__47=48
+T__48=49
+T__49=50
+T__50=51
+T__51=52
+T__52=53
+T__53=54
+T__54=55
+T__55=56
+T__56=57
+T__57=58
+T__58=59
+T__59=60
+T__60=61
+T__61=62
+T__62=63
+T__63=64
+T__64=65
+T__65=66
+T__66=67
+T__67=68
+T__68=69
+T__69=70
+T__70=71
+T__71=72
+T__72=73
+T__73=74
+T__74=75
+T__75=76
+T__76=77
+T__77=78
+T__78=79
+T__79=80
+T__80=81
+T__81=82
+T__82=83
+T__83=84
+T__84=85
+T__85=86
+T__86=87
+T__87=88
+T__88=89
+T__89=90
+T__90=91
+T__91=92
+T__92=93
+T__93=94
+LOC=95
+RELOC=96
+PLUS=97
+MINUS=98
+TIMES=99
+DIV=100
+LABEL=101
+IDENTIFIER=102
+NUMERIC_LITERAL=103
+DECIMAL=104
+OCTAL=105
+DECIMAL_MINUS=106
+STRING=107
+COMMENT=108
+EOL=109
+WS=110
+';'=1
+'='=2
+'>'=3
+'dac'=4
+'jms'=5
+'dzm'=6
+'lac'=7
+'xor'=8
+'add'=9
+'tad'=10
+'xct'=11
+'isz'=12
+'and'=13
+'sad'=14
+'jmp'=15
+'nop'=16
+'law'=17
+'cma'=18
+'las'=19
+'ral'=20
+'rar'=21
+'hlt'=22
+'sma'=23
+'sza'=24
+'snl'=25
+'skp'=26
+'sna'=27
+'szl'=28
+'rtl'=29
+'rtr'=30
+'cil'=31
+'rcl'=32
+'rcr'=33
+'cia'=34
+'lrs'=35
+'lrss'=36
+'lls'=37
+'llss'=38
+'als'=39
+'alss'=40
+'mul'=41
+'idiv'=42
+'lacq'=43
+'clq'=44
+'omq'=45
+'cmq'=46
+'lmq'=47
+'dscs'=48
+'dslw'=49
+'dslm'=50
+'dsld'=51
+'dsls'=52
+'dssf'=53
+'dsrs'=54
+'iof'=55
+'ion'=56
+'caf'=57
+'clon'=58
+'clsf'=59
+'clof'=60
+'ksf'=61
+'krb'=62
+'tsf'=63
+'tcf'=64
+'tls'=65
+'sck'=66
+'cck'=67
+'lck'=68
+'rsf'=69
+'rsa'=70
+'rrb'=71
+'psf'=72
+'pcf'=73
+'psa'=74
+'cdf'=75
+'rlpd'=76
+'lda'=77
+'wcga'=78
+'raef'=79
+'beg'=80
+'spb'=81
+'cpb'=82
+'lpb'=83
+'wbl'=84
+'dprs'=85
+'dpsf'=86
+'dpcf'=87
+'dprc'=88
+'crsf'=89
+'crrb'=90
+'sys'=91
+'czm'=92
+'irss'=93
+'dsm'=94
+'.'=95
+'..'=96
+'+'=97
+'-'=98
+'*'=99
+'/'=100

pdp7parse/src/main/java/pdp7Lexer.tokens

@@ -0,0 +1,210 @@
+T__0=1
+T__1=2
+T__2=3
+T__3=4
+T__4=5
+T__5=6
+T__6=7
+T__7=8
+T__8=9
+T__9=10
+T__10=11
+T__11=12
+T__12=13
+T__13=14
+T__14=15
+T__15=16
+T__16=17
+T__17=18
+T__18=19
+T__19=20
+T__20=21
+T__21=22
+T__22=23
+T__23=24
+T__24=25
+T__25=26
+T__26=27
+T__27=28
+T__28=29
+T__29=30
+T__30=31
+T__31=32
+T__32=33
+T__33=34
+T__34=35
+T__35=36
+T__36=37
+T__37=38
+T__38=39
+T__39=40
+T__40=41
+T__41=42
+T__42=43
+T__43=44
+T__44=45
+T__45=46
+T__46=47
+T__47=48
+T__48=49
+T__49=50
+T__50=51
+T__51=52
+T__52=53
+T__53=54
+T__54=55
+T__55=56
+T__56=57
+T__57=58
+T__58=59
+T__59=60
+T__60=61
+T__61=62
+T__62=63
+T__63=64
+T__64=65
+T__65=66
+T__66=67
+T__67=68
+T__68=69
+T__69=70
+T__70=71
+T__71=72
+T__72=73
+T__73=74
+T__74=75
+T__75=76
+T__76=77
+T__77=78
+T__78=79
+T__79=80
+T__80=81
+T__81=82
+T__82=83
+T__83=84
+T__84=85
+T__85=86
+T__86=87
+T__87=88
+T__88=89
+T__89=90
+T__90=91
+T__91=92
+T__92=93
+T__93=94
+LOC=95
+RELOC=96
+PLUS=97
+MINUS=98
+TIMES=99
+DIV=100
+LABEL=101
+IDENTIFIER=102
+NUMERIC_LITERAL=103
+DECIMAL=104
+OCTAL=105
+DECIMAL_MINUS=106
+STRING=107
+COMMENT=108
+EOL=109
+WS=110
+';'=1
+'='=2
+'>'=3
+'dac'=4
+'jms'=5
+'dzm'=6
+'lac'=7
+'xor'=8
+'add'=9
+'tad'=10
+'xct'=11
+'isz'=12
+'and'=13
+'sad'=14
+'jmp'=15
+'nop'=16
+'law'=17
+'cma'=18
+'las'=19
+'ral'=20
+'rar'=21
+'hlt'=22
+'sma'=23
+'sza'=24
+'snl'=25
+'skp'=26
+'sna'=27
+'szl'=28
+'rtl'=29
+'rtr'=30
+'cil'=31
+'rcl'=32
+'rcr'=33
+'cia'=34
+'lrs'=35
+'lrss'=36
+'lls'=37
+'llss'=38
+'als'=39
+'alss'=40
+'mul'=41
+'idiv'=42
+'lacq'=43
+'clq'=44
+'omq'=45
+'cmq'=46
+'lmq'=47
+'dscs'=48
+'dslw'=49
+'dslm'=50
+'dsld'=51
+'dsls'=52
+'dssf'=53
+'dsrs'=54
+'iof'=55
+'ion'=56
+'caf'=57
+'clon'=58
+'clsf'=59
+'clof'=60
+'ksf'=61
+'krb'=62
+'tsf'=63
+'tcf'=64
+'tls'=65
+'sck'=66
+'cck'=67
+'lck'=68
+'rsf'=69
+'rsa'=70
+'rrb'=71
+'psf'=72
+'pcf'=73
+'psa'=74
+'cdf'=75
+'rlpd'=76
+'lda'=77
+'wcga'=78
+'raef'=79
+'beg'=80
+'spb'=81
+'cpb'=82
+'lpb'=83
+'wbl'=84
+'dprs'=85
+'dpsf'=86
+'dpcf'=87
+'dprc'=88
+'crsf'=89
+'crrb'=90
+'sys'=91
+'czm'=92
+'irss'=93
+'dsm'=94
+'.'=95
+'..'=96
+'+'=97
+'-'=98
+'*'=99
+'/'=100

pdp7parse/src/test/java/com/khubla/pdp7parse/BasicTests.java

@@ -0,0 +1,35 @@
+package com.khubla.pdp7parse;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.InputStream;
+import java.util.Collection;
+
+import org.apache.commons.io.FileUtils;
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.khubla.pdp7parse.antlr4.pdp7Parser.ProgContext;
+
+public class BasicTests {
+   @Test
+   public void test1() {
+      String[] extensions = new String[] { "s" };
+      Collection<File> files = FileUtils.listFiles(new File("src/test/resources"), extensions, true);
+      for (File file : files) {
+         testFile(file);
+      }
+   }
+
+   private void testFile(File file) {
+      try {
+         System.out.println(file.getAbsolutePath());
+         InputStream is = new FileInputStream(file);
+         ProgContext progContext = PDP7Parser.parse(is, System.out);
+         Assert.assertNotNull(progContext);
+      } catch (Exception e) {
+         e.printStackTrace();
+         Assert.fail();
+      }
+   }
+}

pdp7parse/src/test/resources/cat.s

@@ -0,0 +1,151 @@
+" cat: cat [arg1 arg2 ...]
+
+   " Load the pointer pointer in 017777 to see if we have any arguments
+   lac 017777 i
+   sad d4			" Skip if we have more than four argument words
+     jmp nofiles		" Only four argument words, so no arguments
+   lac 017777			" Move five words past the argument word count
+   tad d1			" so that AC points at the first argument
+   tad d4			" and save the pointer in name
+   dac name
+
+loop:
+   sys open; name:0; 0		" Open file, get fd back
+   spa
+     jmp badfile		" Negative fd, exit with an error message
+   dac fi			" Save file descriptor in fi
+
+1:
+   jms getc			" Get a character in AC
+   sad o4
+     jmp 1f			" Break the loop when we get a ctrl-D
+   jms putc			" Write the character on stdout
+   jmp 1b			" and loop back
+
+1:
+   lac fi			" Close the file descriptor in fi
+   sys close
+
+loop1:
+   -4
+   tad 017777 i			" Subtract 4 from the count of argument words
+   dac 017777 i
+   sad d4			" Is the value 4, i.e. no args left?
+     jmp done			" Yes, so exit
+
+   lac name			" Still an argument, so move up
+   tad d4			" to the next filename argument
+   dac name
+   jmp loop			" and loop back to cat this file
+
+badfile:
+   lac name			" Get the pointer to the filename
+   dac 1f			" Store it in 1f below
+   lac d8			" Load fd 8 which is stderr
+   sys write; 1:0; 4		" Write the four words of the filename
+   lac d8
+   sys write; 1f; 2		" and then write " ?\n"
+   jmp loop1			" Now try doing the next argument
+
+1: 040;077012			" String literal: " ?\n"
+
+nofiles:
+   lac d8
+   sys write; 1f; 5		" Write "No files\n" to stderr
+   sys exit			" and exit
+
+1: <no>; 040;  <fi>;<le>;<s 012
+
+done:
+   lac noc			" Is the number of characters left zero?
+   sna
+     sys exit			" Yes, exit
+   and d1
+   sna cla
+     jmp 1f
+   jms putc			" Store the character in the buffer
+   jmp done			" and loop back
+1:
+   lac noc			" Get the number of characters in the buffer
+   rcr				" Divide by two to convert to words
+   dac 1f			" Save in the write's word count below
+   lac fo			" Load fd 1, stdout
+   sys write; iopt+1; 1:..	" Write the leftover buffer and exit
+   sys exit
+
+getc: 0
+   lac ipt			" Load the pointer to the next word in the buffer
+   sad eipt
+     jmp 1f			" We've reached the end of the buffer, so read more
+   dac 2f			" Save the pointer
+   add o400000			" Flip the msb and save into ipt
+   dac ipt
+   ral				" Move the msb into the link register
+   lac 2f i			" Load the word from the buffer
+   szl				" Skip if this is the second character in the word
+     lrss 9			" It's the first char, shift down the top character
+   and o177			" Keep the lowest 7 bits
+   sna
+     jmp getc+1			" Skip a NUL characters and read another one
+   jmp getc i			" Return the character from the subroutine
+1:
+   lac fi			" Buffer is empty, read another 64 characters
+   sys read; iipt+1; 64
+   sna
+     jmp 1f			" No characters were read in
+   tad iipt			" Add the word count to the base of the buffer
+   dac eipt			" and store in the end buffer pointer
+   lac iipt			" Reset the ipt to the base of the buffer
+   dac ipt
+   jmp getc+1			" and loop back to get one character
+1:
+   lac o4			" No character, return with ctrl-D
+   jmp getc i			" return from subroutine
+
+putc: 0
+   and o177			" Keep the lowest 7 bits and save into 2f+1
+   dac 2f+1
+   lac opt			" Save the pointer to the empty buffer
+   dac 2f			" position to 2f
+   add o400000			" Flip the msb and save back into opt
+   dac opt			" This also has the effect of incrementing
+				" the opt pointer every second addition!
+
+   spa				" If the bit was set, we already have one
+     jmp 1f			" character at 2f+1. If no previous character,
+   lac 2f i			" merge the old and new character together
+   xor 2f+1
+   jmp 3f			" and go to the "save it in buffer" code
+1:
+   lac 2f+1			" Move the character up into the top half
+   alss 9
+3:
+   dac 2f i			" Save the word into the buffer
+   isz noc			" Add 1 to the char count, never skipping
+   lac noc			" Have we reached 128 characters, 64 words?
+   sad d128
+     skp
+   jmp putc i			" No, so return (more room still in the buffer)
+   lac fo			" Load fd1 (i.e stdout)
+   sys write; iopt+1; 64	" and write out the 64 words in the buffer
+   lac iopt
+   dac opt			" Set opt pointing back to base of buffer
+   dzm noc			" Set the number of chars in the buffer to 0
+   jmp putc i			" and return
+
+2: 0;0				" Current input and output word pointers
+ipt: 0				" Current input buffer base
+eipt: 0				" Pointer to end of data read in input buffer
+iipt: .+1; .=.+64		" 64 word input buffer and pointer to it
+fi: 0				" Input file descriptor
+opt: .+2			" Current output buffer base
+iopt: .+1; .=.+64		" 64 word output buffer and pointer to it
+noc: 0				" Number of output characters
+fo: 1				" Output file descriptor, fd 1 is stdout
+
+d1: 1				" Octal and decimal constants
+o4:d4: 4
+d8: 8
+o400000: 0400000		" Msb toggle bit
+o177: 0177			" ASCII mask
+d128: 128			" 128 words in the output buffer

pdp7parse/src/test/resources/chown.s

@@ -0,0 +1,76 @@
+" chown
+   lac 017777 i
+   sad d4
+   jmp error
+
+   lac 017777
+   tad d4
+   dac 8
+   tad d1
+   dac name
+   dzm octal
+   dzm nochar
+   -8
+   dac c1
+1:
+   lac nchar
+   dzm nchar
+   sza
+   jmp 2f
+   lac 8 i
+   lmq
+   and o177
+   dac nchar
+   lacq
+   lrss 9
+2:
+   sad o40
+   jmp 3f
+   tad om60
+   lmq
+   lac octal
+   cll; als 3
+   omq
+   dac octal
+3:
+   isz c1
+   jmp 1b
+
+loop:
+   lac 017777 i
+   sad d8
+   sys exit
+   tad dm4
+   dac 017777 i
+   lac name
+   tad d4
+   dac name
+   lac octal
+   sys chowner; name:0
+   sma
+   jmp loop
+   lac name
+   dac 1f
+   lac d1
+   sys write; 1:0; 4
+   lac d1
+   sys write; 1f; 2
+   jmp loop
+1:
+   040;077012
+error:
+   lac d1
+   sys write;  1b+1; 1
+   sys exit
+
+om60: -060
+o40: 040
+d1: 1
+d8: 8
+dm4: -4
+d4: 4
+o177: 0177
+
+nchar: .=.+1
+c1: .=.+1
+octal: .=.+1

pdp7parse/src/test/resources/ds.s

@@ -0,0 +1,501 @@
+" ds
+
+   lac 017777 i
+   sad d8
+   skp
+   sys exit
+   lac 017777
+   tad d5
+   dac .+3
+   law 017
+   sys creat; ..
+   dac fo
+   law 017
+   sys creat; scrname
+   spa; jms error
+   dac fso
+   sys open; scrname; 0
+   spa; jms error
+   dac fsi
+   sys chdir; dd
+   spa; jms error
+   lac d1
+   sys write; pass1; 1
+   law fsobuf
+   dac fsopt
+   dzm nfiles
+   law fbuf
+   dac filp
+   dzm ndirs
+   law dbuf
+   dac dirp
+   dzm fsloc
+   sys open; dotdot; 0
+   spa; jms error
+   dac fd
+   jms readdir; dotdot
+   law statbuf
+   sys status; dotdot; dotdot
+   spa; jms error
+   lac statbuf+12 " i index
+   dac dirp i
+   isz dirp
+   -1
+   tad nfiles
+   cma
+   dac ddfiles
+   law fbuf
+   dac ddfilp
+
+loop:
+   -1
+   tad ndirs
+   cma
+   dac c1
+   law dbuf
+   dac i1
+
+1:
+   isz i1
+   lac i1 i
+   sad ddfilp i
+   jmp 2f
+   isz i1
+   isz c1
+   jmp 1b
+
+   lac ddfilp
+   tad i1
+   dac i1
+   lac i1 i
+   dac .+3
+   lac fsi
+   sys seek; ..; 0
+   lac fsi
+   sys read; scrname; 4
+   law statbuf
+   sys status; dotdot; scrname
+   spa; jms error
+   lac statbuf+0 " flags
+   and o20
+   sna
+   jmp 2f
+   sys open; scrname; 0
+   spa; jms error
+   dac fd
+   jms readdir; scrname
+   lac ddfilp i
+   dac dirp i
+   isz dirp
+
+2:
+   isz ddfilp
+   isz ddfilp
+   isz ddfiles
+   jmp loop
+
+" output phase
+
+   lac fso
+   sys write; fsobuf; 64
+   lac d1
+   sys write; pass2; 2
+   -500
+   dac c1
+
+1:
+   law dbuf+2
+   dac i1
+   dzm fflg
+   law fbuf
+   dac i2
+   r1
+   tad nfiles
+   cma
+   dac c2
+
+2:
+   lac c1
+   tad d501
+   sad i2 i
+   skp
+   jmp 3f
+   -1
+   tad i1
+   dac i3
+   iac i3 i
+   dac c3
+   law fbuf
+   dac i3
+0:
+   lac i3 i
+   sad c3
+   jmp 0f
+   isz i3
+   isz i3
+   jmp 0b
+0:
+   lac i3
+   tad d1
+   dac c3
+   lac c3 i
+   dac .+3
+   lac fsi
+   sys seek; ..; 0
+   lac fsi
+   sys read; scrname; 4
+   lac i2
+   tad d1
+   dac c3
+   lac c3 i
+   dac .+3
+   lac fsi
+   sys seek; ..; 0
+   lac fsi
+   sys read; dd; 4
+   lac fflg
+   sza
+   jmp 0f
+
+   lac nlinkt
+   sad nlinka
+   skp
+   jms fishy
+   dzm nlinka
+   law 012
+   jms putc
+   law statbuf
+   sys status; scrname; dd
+   spa; jms error
+   -1
+   tad statbuf+9
+   cma
+   dac nlinkt
+   -1
+   dac fflg
+   jms longout
+   law 012
+   jms putc
+0:
+   isz nlinka
+   jms putname; scrname
+   jms putname; dd
+   law 012
+   jms putc
+
+3:
+   isz i2
+   isz i2
+   lac i2
+   sad i1 i
+   skp
+   jmp .+3
+   isz i1
+   isz i1
+   isz c2
+   jmp 2b
+
+   isz c1
+   jmp 1b
+   lac nlinkt
+   sad nlinka
+   skp
+   jms fishy
+
+   sys chdir; system
+   jmp done
+
+fishy: 0
+   jms asters
+   jms asters
+   law 012
+   jms putc
+   lac d1
+   sys write; 1f; 1
+   jmp fishy i
+1: 052012
+
+nlinka: 0
+nlinkt: 0
+
+asters: 0
+   -10
+   dac c
+1:
+   law 052
+   jms putc
+   isz c
+   jmp 1b
+   jmp asters i
+
+longout: 0
+   lac statbuf+12 " i
+   jms octal; -3
+   lac statbuf+0 " flags
+   jms octal; -2
+   lac statbuf+8 " uid
+   jms octal; -2
+   -1
+   tad statbuf+9 " nlinks
+   cma
+   jms octal; -2
+   lac statbuf+10
+   jms octal; -5
+   jmp longout i
+
+readdir: 0
+   law 012
+   jms putc
+   law 012
+   jms putc
+   jms asters
+   lac readdir i
+   dac 5f
+   dac .+2
+   jms putname; ..
+   jms asters
+   law 012
+   jms putc
+   law 012
+   jms putc
+   isz readdir
+   isz ndirs
+   lac filp
+   dac dirp i
+   isz dirp
+0:
+   jms copyz; buf; 64
+   lac fd
+   sys read; buf; 64
+   spa; jms error
+   sna
+   jmp 4f
+   -8
+   dac c1
+   law buf
+   dac i1
+1:
+   lac i1 i
+   sna
+   jmp 3f
+
+   isz nfiles
+   dac filp i
+   isz filp
+   lac fsloc
+   dac filp i
+   tad d4
+   dac fsloc
+   isz filp
+   lac i1
+   tad d1
+   dac .+4
+   law statbuf
+   sys status; 5:..; ..
+   spa; jms error
+   jms longout
+   lac i1
+   tad d1
+   dac .+2
+   jms putname; ..
+   law 012
+   jms putc
+   lac i1
+   dac 8
+   lac 8 i
+   dac fsopt i
+   isz fsopt
+   lac 8 i
+   dac fsopt i
+   isz fsopt
+   lac 8 i
+   dac fsopt i
+   isz fsopt
+   lac 8 i
+   dac fsopt i
+   isz fsopt
+   law fsobuf+64
+   sad fsopt
+   skp
+   jmp 3f
+   lac fso
+   sys write; fsobuf; 64
+   law fsobuf
+   dac fsopt
+
+3:
+   law 8
+   tad i1
+   dac i1
+   isz c1
+   jmp 1b
+   jmp 0b
+4:
+   lac fd
+   sys close
+   jmp readdir i
+
+putname: 0
+   -1
+   tad putname i
+   dac 8
+   -4
+   dac c
+1:
+   lac 8 i
+   lrss 9
+   jms putc
+   llss 9
+   jms putc
+   isz c
+   jmp 1b
+   isz putname
+   jmp putname i
+
+octal: 0
+   lmq
+   lac d5
+   tad octal i
+   cma
+   dac c
+1:
+   llss 3
+   isz c
+   jmp 1b
+   lac octal i
+   dac c
+1:
+   ecla llss 3
+   tad o60
+   jms putc
+   isz c
+   jmp 1b
+   law 040
+   jms putc
+   isz octal
+   jmp octal i
+
+error: 0
+   -1
+   tad error
+   hlt
+   sys save
+
+copyz: 0
+   -1
+   tad copyz i
+   dac 8
+   isz copyz
+   -1
+   tad copyz i
+   cma
+   dac 2f
+   isz copyz
+1:
+   dzm 8 i
+   isz 2f
+   jmp 1b
+   jmp copyz i
+2: 0
+
+done:
+   lac noc
+   sna
+   sys exit
+   and d1
+   sna cla
+   jmp 1f
+   jms putc
+   jmp done
+1:
+   lac noc
+   rcr
+   dac 1f
+   lac fo
+   sys write; obuf; 1;..
+   sys exit
+
+putc: 0
+   and o177
+   dac 2f+1
+   lac opt
+   dac 2f
+   add o400000
+   dac opt
+   spa
+   jmp 1f
+   lac 2f i
+   xor 2f+1
+   jmp 3f
+1:
+   lac 2f+1
+   alss 9
+3:
+   dac 2f i
+   isz noc
+   lac noc
+   sad d128
+   skp
+   jmp putc i
+   lac fo
+   sys write; obuf; 64
+   lac iopt
+   dac opt
+   dzm noc
+   jmp putc i
+2: 0;0
+opt: obuf
+iopt: obuf
+noc: 0
+fo: 1
+
+d1: 1
+o177: 0177
+o400000: 0400000
+d128: 128
+d4: 4
+d5: 5
+d8: 8
+o60: 060
+o20: 020
+d501: 501
+
+dd:
+   <dd>; 040040; 040040; 040040
+dotdot:
+   056056; 040040; 040040; 040040
+system:
+   <sy>;<st>;<em>; 040040
+scrname:
+   <*s>;<rc>;040040;040040
+pass2:
+   <i
+pass1:
+   <i 012
+
+fso: .=.+1
+fsi: .=.+1
+fsloc: .=.+1
+nfiles: .=.+1
+fflg: .=.+1
+buf: .=.+64
+obuf: .=.+64
+fd: .=.+1
+filp: .=.+1
+ddfilp: .=.+1
+ddfiles: .=.+1
+statbuf: .=.+13
+c: .=.+1
+i1: .=.+1
+i2: .=.+1
+i3: .=.+1
+c1: .=.+1
+c2: .=.+1
+c3: .=.+1
+ndirs: .=.+1
+dirp: .=.+1
+fsopt: .=.+1
+fsobuf: .=.+64
+dbuf: .=.+100
+fbuf:
+   

pdp7parse/src/test/resources/dsksav.s

@@ -0,0 +1,26 @@
+" dsksav
+
+   iof
+   hlt
+   dzm track
+   -640
+   dac c1
+1:
+   lac track
+   jms dskrd1
+
+   lac track
+   jms dskwr0
+
+   lac track
+   tad d10
+   dac track
+   isz c1
+   jmp 1b
+
+   hlt
+   sys exit
+
+track: 0
+c1: 0
+d10: 10

pdp7parse/src/test/resources/ed2.s

@@ -0,0 +1,519 @@
+"** 08-rest.pdf page 21
+"[handwritten page number top right of scan - 14]
+" ed2
+
+cs:
+   jsm getsc; tal
+   sad o40
+   jmp cs
+   sad o12
+   jmp error
+   dac delim
+   jms compile
+   lac tbufp
+   dac tal1
+1:
+   jms getsc; tal
+   sad delim
+   jmp 1f
+   sad o12
+   jmp error
+   jms putsc; tal1
+   jmp 1b
+1:
+   lac o12
+   jms putsc; tal1
+   jms newline
+   jms setdd
+   lac addr1
+   sad zerop
+   jmp error
+1:
+   dac addr1
+   lac i addr1
+   jms execute
+   jmp 2f
+   lac addr1
+   dac dot
+   law line-1
+   dac 8
+   law nlist-1
+   dac 9
+   -64
+   dac c1
+3:
+   lac i 8
+   dac i 9
+   isz c1
+   jmp 3b
+   -1
+   tad fchrno
+   dac linsiz
+   rcr
+   szl
+   xor o400000
+   tad linep
+   dac tal1 "???
+   lac tbufp
+   dac tal
+3:
+   jms getsc; tal
+   sad o12
+   jmp 3f
+   jms putsc; tal1
+   isz linsiz "???
+"** 08-rest.pdf page 22
+"[handwritten page number top right of scan - 15]
+   jmp 3b
+3:
+   -1
+   tad lcrhno
+   rcr
+   szl
+   xor o400000
+   tad nlistp
+   dac tal
+3:
+   jms getsc; tal
+   jms putsc; tal1
+   isz linsiz
+   sad o12
+   skp
+   jmp 3b
+   jms addline
+2:
+   lac addr1
+   sad addr2
+   jmp advanc
+   tad d1
+   jmp 1b
+
+fsrch:
+   dac delim
+   jms compile
+   jms srcsav
+   lac dot
+floop:
+   tad d1
+   dac addr
+   lac i addr
+   sza
+   jmp 1f
+   lac zerop
+   dac addr
+   jmp 2f
+1:
+   jms execute
+   jmp 2f
+   jms srcres
+   jmp ad1
+2:
+   lac addr
+   sad dot
+   jmp error
+   jmp floop
+
+bsrch:
+   dac delim
+   jms compile
+   jms srcsav
+   lac dot
+   dad zerop
+   lac eofp
+bloop:
+   tad dm1
+   dac addr
+   lac i addr
+"** 08-rest.pdf page 23
+"[handwritten page number top right of scan - 16]
+   sza
+   jmp 1f
+   lac eofp
+   dac addr
+   jmp 2f
+1:
+   jms execute
+   jmp 2f
+   jms srcres
+   jmp ad1
+2:
+   lac addr
+   sad dot
+   jmp error
+   jmp bloop
+
+srcsav: 0
+   lac minflg
+   sza
+   jmp error
+   lac addr
+   sma
+   jmp error
+   law line-1
+   dac 8
+   law tbuf-1
+   dac 9
+   -64
+   dac c1
+1:
+   lac i 8
+   dac i 9
+   isz c1
+   jmp 1b
+   jmp i srcsav
+
+srcres: 0
+   law tbuf-1
+   dac 8
+   law line-1
+   dac 9
+   -64
+   dac c1
+1:
+   lac i 8
+   dac i 9
+   isz c1
+   jmp 1b
+   jmp i srcres
+
+compile: 0
+   law compbuf-1
+   dac 8
+   dzm prev
+   dzm compflg
+
+cadvanc:
+   jms getsc; tal
+   sad delim
+   jmp cdone
+   dac compflg "???
+"** 08-rest.pdf page 24
+"[handwritten page number top right of scan - 17]
+   dzm lastre
+   sad o12
+   jmp error
+   "sad o133
+   "jmp chrcls
+   sad o136 "???
+   jmp beglin
+   sad o44
+   jmp endlin
+   "sad o52
+   "jmp clsure
+   dac 1f
+   jmp comp
+   1; jms matchar; 1: 0; 0
+   jmp cadvanc
+
+cdone:
+   lac compflg
+   sna
+   jmp 1f
+   dac lastre
+   jms comp
+   1; jms found; 0
+   jmp i compile
+1: "???
+   lac lastre
+   sna
+   jmp error
+   jmp i compile
+
+chrcls:
+  jmp error
+
+beglin: "???
+   jms comp
+   1; jms matbol; 0
+   dzm prev
+   jmp cadvanc
+
+endlin: "???
+   jms comp
+   1; jms mateol; 0
+   dzm prev
+   jmp cadvanc
+
+clsure:
+   lac prev
+   sna
+   jmp error
+   tad d1
+   dac 1f
+   jms comp
+   1; jms matclo; 1: 0; 0
+   dzm prev
+   jmp cadvanc
+
+comp: 0 "???
+   -1
+   tad comp
+   dac 9
+   lac 8 "???
+"** 08-rest.pdf page 25
+"[handwritten page number top right of scan - 18]
+   dac prev
+1: "???
+   lac i 9
+   sna
+   jmp i 9
+   dac i 8
+   jmp 1b
+
+execute: 0
+   jms gline
+   lac linep
+   dac tal1
+   dzm charno
+   dzm fchrno
+   dzm lchrno
+   lac jmpclist
+   dac trvect
+   lac jmpnlist
+   dac trvect+1
+   lac jmpxchg
+   dac i trvect+1
+   jmp 1f
+
+exchg: "???
+   lacq
+   sad o12
+   jmp i execute
+   lac jmpxchg
+   dac i 8
+1: "???
+   lac trvect
+   lmq
+   lac trvect+1
+   dac trvect
+   lacq
+   dac trvect+1
+   tad dm1
+   dac 8
+   jms getsc; tal1
+   lmq
+   isz charno
+   jms compbuf
+charno:
+   0
+trvect:
+   0;0
+
+matchar: 0 "???
+   -2
+   tad matchar
+   dac exret
+   lac i exret
+   dac exret
+   lacq
+   sad i matchar
+   skp
+   jmp 1f
+   lac matchar
+   adn o17777
+   tad jms1
+   dac i 8 "??? [unreadable page cutoff]
+"** 08-rest.pdf page 26
+"[handwritten page number top right of scan - 19]
+   lac i exret
+   dac i 8
+1: "???
+   isz exret
+   jmp i exret
+
+found: 0
+   -2
+   tad found
+   dac exret
+   lac i exret
+   dac exret
+   lac fchrno
+   sza
+   jmp 1f
+   isz execute
+   jmp 2f
+1: "???
+   sad i exret
+   jmp 1f
+   cma
+   tad i exret
+   spa
+   jmp 2f
+   jmp 3f
+1: "???
+   lac charno
+   cma
+   tad charno
+   spa
+   jmp 3f
+2: "???
+   lac i exret
+   dac fchrno
+   lac charno
+   dac lchrno
+3: "???
+   isz exret
+   jmp i exret
+
+matbol: 0 "???
+   lac charno
+   sad d1
+   jmp 1f
+   lac matbol
+   jmp 2f
+1: "???
+   lac matbol
+   jmp 3f
+
+mateol: 0 "???
+   lacq
+   sad o12
+   jmp 1f
+   lac mateol
+2: "???
+   tad dm2
+   dac exret
+   lac i exret
+   dac 9
+   "??? [line is cut off in scan, maybe lac i 8 or jmp i 9]
+"** 08-rest.pdf page 27
+"[handwritten page number top right of scan - 20]
+1: "???
+   lac mateol
+3: "???
+   tad dm3
+   dac 9
+   lac i 9
+   isz 9
+   dac i 9
+   jmp i 9
+
+matclo: 0 "???
+   -2
+   tad matclo
+   dac exret
+   lac i exret
+   dac cloret
+   lac i cloret
+   dac 1f
+   dac 2f
+   lac i matclo
+   dac exret
+   jms i exret; 1: 0
+   isz matclo
+   jms i matclo; 2: 0
+   isz cloret
+   jmp i cloret
+
+"??? the remainder of this scan had an unreadable first character
+"??? I did the best I could to recreate the characters appropriately
+o1: 1
+o133: 0133
+dm3: -3
+o136: 0136
+dm2: -2
+o52: 052
+o57: 057
+o77: 077
+o40: 040
+o12: 012
+d47: 47
+d58: 58
+dm48: -48
+d10: 10
+d8: 8
+d48: o60: 060
+d100000: 100000
+o44: 044
+o53: 053
+o56: 056
+o55: 055
+o11: 011
+o400000: 0400000
+o17777: 017777
+o144: 0144
+dm1: -1
+o56012: 056012
+o777: 0777
+o100: 0100
+o43: 043
+o777000: 0777000
+o75: 075
+o167: 0167
+o161: 0161
+"** 08-rest.pdf page 28
+"[handwritten page number top right of scan - 21]
+o160: 0160
+o143: 0143
+o141: 0141
+o1777: 01777
+d1024: 1024
+o776000: 0776000
+o162: 0162
+o163: 0163
+o73: 073
+o54: 054
+o17: 017
+
+tname:
+   0145056;0164155;0160040;040040
+tbufp: tbuf
+linep: line
+nlistp: nlist
+fbufp: fbuf
+dskbfp: dskbuf "[line crossed out - scan markup]
+edskbfp: dskbuf+1024 "[line crossed out - scan markup]
+lnodp: lnodes
+linpm1: line-1
+jmpclist: jmp clist
+jmpnlist: jmp nlist
+jmpxchg: jmp xchg
+jms1: jms 1
+tal: .=.+1
+exret: .=.+1
+cloret: .=.+1
+delim: .=.+1
+prev: .=.+1
+compflg: .=.+1
+tal1: .=.+1
+c1: .=.+1
+ital: .=.+1
+otal: .=.+1
+diskin: .=.+1
+glint: .=.+1
+c2: .=.+1
+num: .=.+1
+zermp: .=.+1
+minflg: .=.+1
+adrflg: .=.+1
+dot: .=.+1
+addr: .=.+1
+addr1: .=.+1
+addr2: .=.+1
+eofp: .=.+1
+zerop: .=.+1
+dskadr: .=.+1
+linsiz: .=.+1
+tfi: .=.+1
+fchrno: .=.+1
+lchrno: .=.+1
+lastre: .=.+1
+bett1: .=.+1
+bett2: .=.+1
+wrflg: .=.+1
+apt1: .=.+1
+"[page cuts off one label]
+"** 08-rest.pdf page 29
+"[handwritten page number top right of scan - 22]
+sfo: .=.+1
+sctal: .=.+1
+sctalp: .=.+1
+char: .=.+1
+fbuf: .=.+4  "not sure if this is fbuf, but
+tbuf: .=.+64 "there is a write; tbuf; 64 call
+line: .=.+64
+nlist: .=.+50
+"??? ?list: .=.+50, unable to determine label
+compbuf: .=.+100
+dskbuf: .=.+1 "[line crossed out - scan markup]
+lnodes: .=.+1000