Popd – Texas Instruments TMS320C2XX User Manual
Page 290
Pop Top of Stack to Data Memory
POPD
7-137
Assembly Language Instructions
Syntax
POPD
dma
Direct addressing
POPD
ind [, ARn]
Indirect addressing
Operands
dma:
7 LSBs of the data-memory address
n:
Value from 0 to 7 designating the next auxiliary register
ind:
Select one of the following seven options:
* *+ *– *0+ *0– *BR0+ *BR0–
POPD
dma
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
0
0
0
1
0
1
0
0
dma
POPD
ind [,ARn]
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
0
0
0
1
0
1
0
1
ARU
N
NAR
Note:
ARU, N, and NAR are defined in Section 6.3,
Indirect Addressing Mode (page 6-9).
Execution
Increment PC, then ...
(TOS)
→
data-memory address
Pop stack one level
Status Bits
None
Description
The value from the top of the stack is transferred into the data-memory location
specified by the instruction. In the lower seven locations of the stack, the val-
ues are copied up one level. The stack operation is explained in the description
for the POP instruction. No provision exists to check stack underflow.
Words
1
Cycles for a Single POPD Instruction
Program
Operand
ROM
DARAM
SARAM
External
DARAM
1
1
1
1+p
SARAM
1
1
1, 2
†
1+p
External
2+d
2+d
2+d
4+d+p
† If the operand and the code are in the same SARAM block
Opcode
Cycles