Datasheet

Instruction Set Description

www.ti.com

4.6.3.15 INCDX

* INCDX.A Double-increment destination address-word

* INCDX.[W] Double-increment destination word

* INCDX.B Double-increment destination byte

INCDX.A dst

Syntax

INCDX dst or INCDX.W dst

INCDX.B dst

Operation dst + 2 → dst

ADDX.A #2,dst

Emulation

ADDX #2,dst

ADDX.B #2,dst

Description The destination operand is incremented by two. The original contents are lost.

Status Bits N: Set if result is negative, reset if positive

Z: Set if dst contained 0FFFFEh, reset otherwise

Set if dst contained 0FFFEh, reset otherwise

Set if dst contained 0FEh, reset otherwise

C: Set if dst contained 0FFFFEh or 0FFFFFh, reset otherwise

Set if dst contained 0FFFEh or 0FFFFh, reset otherwise

Set if dst contained 0FEh or 0FFh, reset otherwise

V: Set if dst contained 07FFFEh or 07FFFFh, reset otherwise

Set if dst contained 07FFEh or 07FFFh, reset otherwise

Set if dst contained 07Eh or 07Fh, reset otherwise

Mode Bits OSCOFF, CPUOFF, and GIE are not affected.

Example RAM byte LEO is incremented by two; PC points to upper memory.

INCDX.B LEO ; Increment LEO by two

230

CPUX SLAU144J–December 2004–Revised July 2013

Submit Documentation Feedback