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Instruction Set Comparison Table
B-28
Syntax
Description5x2xx2x1x
RPT
dma
RPT {
ind
}
[
, next ARP
]
RPT #
k
RPT #
lk
√
√
√
√
√
√
√
√
√
√
Repeat Next Instruction
TMS320C2x devices: Load the 8 LSBs of the ad-
dressed value into the RPTC; the instruction following
RPT is executed the number of times indicated by
RPTC + 1.
TMS320C2xx and TMS320C5x devices: Load the 8
LSBs of the addressed value or an 8-bit or 16-bit
immediate value into the RPTC; the instruction follow-
ing RPT is repeated
n
times, where
n
is RPTC+1.
RPTB
pma
√
Repeat Block
RPTB repeats a block of instructions the number of
times specified by the memory-mapped BRCR without
any penalty for looping. The BRCR must be loaded
before RPTB is executed.
RPTK #
k
√ √ √
Repeat Instruction as Specified by Immediate
Value
Load the 8-bit immediate value into the RPTC; the in-
struction following RPTK is executed the number of
times indicated by RPTC + 1.
RPTZ #
lk
√
Repeat Preceded by Clearing the Accumulator
and P Register
Clear the accumulator and product register and repeat
the instruction following RPTZ
n
times, where
n
=
lk
+1.
RSXM
√ √ √
Reset Sign-Extension Mode
Reset the SXM status bit to 0; this suppresses sign
extension on shifted data values for the following arith-
metic instructions: ADD, ADDT, ADLK, LAC, LACT,
LALK, SBLK, SUB, and SUBT.
RTC
√ √ √
Reset Test/Control Flag
Reset the TC status bit to 0.
RTXM
√
Reset Serial Port Transmit Mode
Reset the TXM status bit to 0; this configures the serial
port transmit section in a mode where it is controlled by
an FSX.
RXF
√ √ √
Reset External Flag
Reset XF pin and the XF status bit to 0.
SACB
√
Store Accumulator in ACCB
Copy the contents of the accumulator into the ACCB.