Addc – Texas Instruments TMS320C2XX User Manual
Page 181
ADDC
Add to Accumulator With Carry
7-28
Cycles for a Repeat (RPT) Execution of an ADDC Instruction
Program
Operand
ROM
DARAM
SARAM
External
DARAM
n
n
n
n+p
SARAM
n
n
n, n+1
†
n+p
External
n+nd
n+nd
n+nd
n+1+p+nd
† If the operand and the code are in the same SARAM block
Example 1
ADDC
DAT300
;(DP = 6: addresses 0300h–037Fh;
;DAT300 is a label for 300h)
Before Instruction
After Instruction
Data Memory
Data Memory
300h
04h
300h
04h
ACC
1
13h
ACC
0
18h
C
C
Example 2
ADDC
*–,AR4
;(OVM = 0)
Before Instruction
After Instruction
ARP
0
ARP
4
AR0
300h
AR0
299h
Data Memory
Data Memory
300h
0h
300h
0h
ACC
1
0FFFFFFFFh
ACC
1
0h
C
C
X
0
OV
OV