Texas Instruments TMS320C2XX - Manual (Page 265)

MAR Modify Auxiliary Register
7-112
Words 1
Cycles for a Single MAR Instruction
ROM DARAM SARAM External
1 1 1 1+p
Cycles for a Repeat (RPT) Execution of an MAR Instruction
ROM DARAM SARAM External
n n n n+p
Example 1 MAR *,AR1 ;Load the ARP with 1.
Before Instruction After Instruction
ARP 0 ARP 1
ARB 7 ARB 0
Example 2 MAR *+,AR5 ;Increment current auxiliary
;register (AR1) and load ARP
;with 5.
Before Instruction After Instruction
AR1 34h AR1 35h
ARP 1 ARP 5
ARB 0 ARB 1
Cycles