Table of Contents        Previous topic       Next topic       

MICROPROCESSOR INSTRUCTION REFERENCE->TRAP

TRAP   Trap


SP - 2 -> SP : Format/Offset -> SP
SP - 4 -> SP : PC -> (SP) : SP - 2 -> SP
S -> (SP) : VBR+Vector address -> PC

Assembler Syntax:   TRAP #<vector>


where <vector> is a 4 bit value


Size:  Unsized

Causes a TRAP #<vector> exception.  The instruction adds the immediate operand (vector) of the instruction to 32 to obtain the vector number.  The range of vector values is 0-15, which provides 16 vectors.


Condition Codes: Not Affected