Update environment calls based on wiki edits

src/rars/extras/Documentation.java

@@ -19,8 +19,7 @@
 public class Documentation {
 
     public static void main(String[] args){
-        Globals.instructionSet = new InstructionSet();
-        Globals.instructionSet.populate();
+        Globals.initialize(false);
         System.out.println(createDirectiveMarkdown());
         System.out.println(createSyscallMarkdown());
         System.out.println(createInstructionMarkdown(BasicInstruction.class));

src/rars/riscv/syscalls/SyscallInputDialogString.java

@@ -55,7 +55,11 @@ a copy of this software and associated documentation files (the
 
 public class SyscallInputDialogString extends AbstractSyscall {
     public SyscallInputDialogString() {
-        super("InputDialogString");
+        super("InputDialogString","Service to display a message to a user and request a string input",
+                "a0 = address of null-terminated string that is the message to user<br>a1 = address of input buffer<br>"+
+                        "a2 = maximum number of characters to read (including the terminating null)",
+                "a1 contains status value.<br> 0: OK status. Buffer contains the input string.<br>-2: Cancel was chosen. No change to buffer.<br>"+
+                        "-3: OK was chosen but no data had been input into field. No change to buffer.<br>-4: length of the input string exceeded the specified maximum. Buffer contains the maximum allowable input string terminated with null.");
     }
 
     public void simulate(ProgramStatement statement) throws ExitingException {

src/rars/riscv/syscalls/SyscallMessageDialog.java

@@ -39,8 +39,8 @@ public class SyscallMessageDialog extends AbstractSyscall {
     public SyscallMessageDialog() {
         super("MessageDialog", "Service to display a message to user",
                 "a0 = address of null-terminated string that is the message to user <br>" +
-                        "a1 = the type of the message to the user, which is one of:<br>1: error message <br>" +
-                        "2: information message <br>3: warning message <br>4: question message <br>other: plain message", "N/A");
+                        "a1 = the type of the message to the user, which is one of:<br>"+
+                        "0: error message <br>1: information message <br>2: warning message <br>3: question message <br>other: plain message", "N/A");
     }
 
     public void simulate(ProgramStatement statement) throws ExitingException {

src/rars/riscv/syscalls/SyscallPrintFloat.java

@@ -35,7 +35,7 @@ a copy of this software and associated documentation files (the
 
 public class SyscallPrintFloat extends AbstractSyscall {
     public SyscallPrintFloat() {
-        super("PrintFloat", "Prints an floating point number", "fa0 = float to print", "N/A");
+        super("PrintFloat", "Prints a floating point number", "fa0 = float to print", "N/A");
     }
 
     public void simulate(ProgramStatement statement) {

src/rars/riscv/syscalls/SyscallReadChar.java

@@ -36,7 +36,7 @@ a copy of this software and associated documentation files (the
 
 public class SyscallReadChar extends AbstractSyscall {
     public SyscallReadChar() {
-        super("ReadChar", "Read a character from input console", "N/A", "a0 = the character");
+        super("ReadChar", "Reads a character from input console", "N/A", "a0 = the character");
     }
 
     public void simulate(ProgramStatement statement) throws ExitingException {

src/rars/riscv/syscalls/SyscallReadFloat.java

@@ -36,7 +36,7 @@ a copy of this software and associated documentation files (the
 
 public class SyscallReadFloat extends AbstractSyscall {
     public SyscallReadFloat() {
-        super("ReadFloat", "Read a float from input console", "N/A", "fa0 = the float");
+        super("ReadFloat", "Reads a float from input console", "N/A", "fa0 = the float");
     }
 
     public void simulate(ProgramStatement statement) throws ExitingException {

src/rars/riscv/syscalls/SyscallReadInt.java

@@ -37,7 +37,7 @@ a copy of this software and associated documentation files (the
 
 public class SyscallReadInt extends AbstractSyscall {
     public SyscallReadInt() {
-        super("ReadInt", "Read an int from input console", "N/A", "a0 = the int");
+        super("ReadInt", "Reads an int from input console", "N/A", "a0 = the int");
     }
 
     public void simulate(ProgramStatement statement) throws ExitingException {