edu.polytechnique.xvm.asm.opcodes

Class READ

java.lang.Object

edu.polytechnique.xvm.asm.interfaces.AsmInstruction

edu.polytechnique.xvm.asm.opcodes.READ

public final class READ
extends AsmInstruction

Read from static memory

• Stack before: x ; S
• Stack after: mem[x] ; S
• PC: +1
• SP: unchanged
• FP: unchanged
• R: unchanged
• Exceptions:
  • Stack underflow: the stack is empty
  • Int mismatch: the top of the stack (x) is not an integer
  • Invalid memory access: the value x is not a valid location in static memory

See Also:

CREAD, FETCH, RFR, WRITE

Constructor Summary

Constructors

Constructor and Description
READ()

Method Summary

Modifier and Type	Method and Description
<P,R> R	accept(AsmVisitor<P,R> visitor, P arg)

Methods inherited from class edu.polytechnique.xvm.asm.interfaces.AsmInstruction

getName, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

READ

public READ()

Method Detail

accept

public <P,R> R accept(AsmVisitor<P,R> visitor,
                      P arg)

Specified by:

accept in class AsmInstruction