Package mars.mips.instructions.syscalls

Class SyscallExit2

java.lang.Object

mars.mips.instructions.syscalls.AbstractSyscall

mars.mips.instructions.syscalls.SyscallExit2

All Implemented Interfaces:

Syscall

public class SyscallExit2
extends AbstractSyscall

Service to exit the MIPS program with return value given in $a0. Ignored if running from GUI.

Constructor Summary

Constructors

Constructor	Description
SyscallExit2()	Build an instance of the Exit2 syscall.

Method Summary

Modifier and Type	Method	Description
void	simulate(ProgramStatement statement)	Performs syscall function to exit the MIPS program with return value given in $a0.

Methods inherited from class mars.mips.instructions.syscalls.AbstractSyscall

getName, getNumber, setNumber

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

SyscallExit2

public SyscallExit2()

Build an instance of the Exit2 syscall. Default service number is 17 and name is "Exit2".

Method Details

simulate

public void simulate(ProgramStatement statement)
              throws ProcessingException

Performs syscall function to exit the MIPS program with return value given in $a0. If running in command mode, MARS will exit with that value. If running under GUI, return value is ignored.

Specified by:

simulate in interface Syscall

Specified by:

simulate in class AbstractSyscall

Parameters:

statement - ProgramStatement object for this syscall instruction.

Throws:

ProcessingException