Example, Instruction formats and opcodes, Push d0.e:d1.e – Freescale Semiconductor StarCore SC140 User Manual
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SC140 DSP Core Reference Manual
PUSH
Status and Conditions that Affect Instruction
Status and Conditions Changed By Instruction
None
Example
push d0.e:d1.e
Instruction Formats and Opcodes
Register Address
Bit Name
Description
SR[18]
EXP
Determines which stack pointer used, and execution working mode.
Register/Memory Address
Before
After
SR
$00E40000
ESP
$00000000
$00000008
($00000000)
$00000000
$000000FF
L0:D0
$0:$FF89ABCDEF
L1:D1
$0:$0001234567
Instruction
Words Cycles Type
Opcode
15
8
7
0
PUSH De
1
1
4
1
0
0
1
E
E
E
0
0
0
1
E
0
0
E
0
15
8
7
0
PUSH Do
1
1
4
1
0
0
1
e
e
e
1
0
0
1
e
0
0
e
0