Table of Contents        Previous topic       Next topic       

MICROPROCESSOR INSTRUCTION REFERENCE->WDDATA

WDDATA    Write to debug data

Assembler syntax:    WDDATA <ea>

Size: Byte, Word and Long.

This instruction fetches the operand defined by the effective address and captures the data in the ColdFire debug module for display on the DDATA output pins.  The number of nibbles displayed on the DDATA pins is determined by the size of the operand.

The instruction generates a processor status encoding matching the PULSE instruction before the operand is displayed on the DDATA pins.

Condition codes: Not affected


    

	Allowable Addressing Modes

	WDDATA	(An)
	WDDATA	(An)+
	WDDATA	-(An)
	WDDATA	(d16,An)
	WDDATA	(d8,An,Xn)
	WDDATA	(xxx).W
	WDDATA	(xxx).L