Texas Instruments TMS320C2XX - Manual (Page 477)

Instruction Set Comparison Table
B-28
Syntax Description 5x 2xx 2x 1x
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.