EasyManua.ls Logo

Texas Instruments TMS320C28x - Page 348

Texas Instruments TMS320C28x
695 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
MOVB AX.LSB, loc16
6-191
Repeat This instruction is not repeatable. If this instruction follows the RPT
instruction, it resets the repeat counter (RPTC) and executes only once.
Example
; Swap the byte order in the 32-bit ”Var32” location.
; Before operation: Var32 = B3 | B2 | B1 | B0
; After operation: Var32 = B0 | B1 | B2 | B3
MOVL XAR2,#Var32 ; Load XAR2 with address of ”Var32”
MOVB AL.LSB,*+XAR2[3] ; ACC(B0) = Var32(B3), ACC(B1) = 0
MOVB AH.LSB,*+XAR2[1] ; ACC(B2) = Var32(B1), ACC(B3) = 0
MOVB AL.MSB,*+XAR2[2] ; ACC(B1) = Var32(B2), ACC(B1) = unch
MOVB AH.MSB,*+XAR2[0] ; ACC(B3) = Var32(B0), ACC(B1) = unch
MOVL @Var32,ACC ; Store swapped result in ”Var32”

Table of Contents

Related product manuals