Texas Instruments TMS320C2XX - Manual (Page 310)

Shift Accumulator Left SFL
7-157 Assembly Language Instructions
Syntax SFL
Operands None
Opcode 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
1 0 0 1 0 0 0 0 0 1 1 1 1 1 0 1
Execution Increment PC, then ...
(ACC(31))
→
C
(ACC(30:0))
→
ACC(31:1)
0
→
ACC(0)
Status Bits Affects
C
This instruction is not affected by SXM.
Description The SFL instruction shifts the entire accumulator left one bit. The least signifi-
cant bit is filled with a 0, and the most significant bit is shifted into the carry bit
(C). SFL, unlike SFR, is unaffected by SXM.
Words 1
Cycles for a Single SFL Instruction
ROM DARAM SARAM External
1 1 1 1+p
Cycles for a Repeat (RPT) Execution of an SFL Instruction
ROM DARAM SARAM External
n n n n+p
Example SFL
Before Instruction After Instruction
ACC X B0001234h ACC 1 60002468h
C C
Cycles