Package mars.mips.instructions.syscalls

Class SyscallRandInt

java.lang.Object

mars.mips.instructions.syscalls.AbstractSyscall

mars.mips.instructions.syscalls.SyscallRandInt

All Implemented Interfaces:

Syscall

public class SyscallRandInt
extends AbstractSyscall

Service to return a random integer.

Constructor Summary

Constructors

Constructor	Description
SyscallRandInt()	Build an instance of the syscall with its default service number and name.

Method Summary

Modifier and Type	Method	Description
void	simulate(ProgramStatement statement)	System call to the random number generator.

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

SyscallRandInt

public SyscallRandInt()

Build an instance of the syscall with its default service number and name.

Method Details

simulate

public void simulate(ProgramStatement statement)
              throws ProcessingException

System call to the random number generator. Return in $a0 the next pseudorandom, uniformly distributed int value from this random number generator's sequence.

Specified by:

simulate in interface Syscall

Specified by:

simulate in class AbstractSyscall

Parameters:

statement - ProgramStatement object for this syscall instruction.

Throws:

ProcessingException