Instruction Set Summary (Organized By Function) - Texas Instruments TMS320C28x Reference Manual

Dsp cpu and instruction set
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Instruction Set Summary (Organized by Function)

6.1 Instruction Set Summary (Organized by Function)
Note:
Table 6−1. Instruction Set Summary (Organized by Function)
Symbol
Description
XARn
XAR0 to XAR7 registers
ARn, ARm
Lower 16-bits of XAR0 to XAR7 registers
ARnH
Upper 16-bits of XAR0 to XAR7 registers
ARPn
3-bit auxiliary register pointer, ARP0 to ARP7
ARP0 points to XAR0 and ARP7 points to XAR7
AR(ARP)
Lower 16-bits of auxiliary register pointed to by ARP
XAR(ARP)
Auxiliary registers pointed to by ARP
AX
Accumulator high (AH) and low (AL) registers
#
Immediate operand
PM
Product shift mode (+4,1,0,−1,−2,−3,−4,−5,−6)
PC
Program counter
~
Bitwise compliment
[loc16]
Contents of 16-bit location
0:[loc16]
Contents of 16-bit location, zero extended
S:[loc16]
Contents of 16-bit location, sign extended
[loc32]
Contents of 32-bit location
0:[loc32]
Contents of 32-bit location, zero extended
S:[loc32]
Contents of 32-bit location, sign extended
7bit
7-bit immediate value
0:7bit
7-bit immediate value, zero extended
S:7bit
7-bit immediate value, sign extended
8bit
8-bit immediate value
0:8bit
8-bit immediate value, zero extended
6-2
The examples in this chapter assume that the device is already operating in
C28x Mode (OBJMODE = = 1, AMODE = = 0). To put the device into C28x
mode following a reset, you must first set the OBJMODE bit in ST1 by execut-
ing the "C28OBJ" (or "SETC OBJMODE") instruction.

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