Pshd – Texas Instruments TMS320C2XX User Manual
Page 292
Push Data-Memory Value Onto Stack
PSHD
7-139
Assembly Language Instructions
Syntax
PSHD
dma
Direct addressing
PSHD
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–
PSHD
dma
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
1
1
1
0
1
1
0
0
dma
PSHD
ind [, ARn]
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
1
1
1
0
1
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 ...
(data-memory address)
→
TOS
Push all stack locations down one level
Status Bits
None
Description
The value from the data-memory location specified by the instruction is trans-
ferred to the top of the stack. In the lower seven locations of the stack, the val-
ues are also copied one level down, as explained in the description for the
PUSH instruction. The value in the lowest stack location is lost.
Words
1
Cycles for a Single PSHD Instruction
Program
Operand
ROM
DARAM
SARAM
External
DARAM
1
1
1
1+p
SARAM
1
1
1, 2
†
1+p
External
1+d
1+d
1+d
2+d+p
† If the operand and the code are in the same SARAM block
Opcode
Cycles