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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”
Summary of Contents for TMS320C28x
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Page 269: ...IN loc16 PA 6 112 MOV AL 0 AL 0 UOUT IORegC AL IOspace IORegC AL 10...
Page 308: ...MAXCUL P loc32 6 151 Saturate MOVL Var64 2 ACC Store result into Var64 MOVL Var64 P...
Page 509: ...SUBL ACC P PM 6 352 SUBL ACC P PM ACC S B 11 M X 4 MOVH Y ACC 5 Store Q15 result into Y...
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