Example, Instruction formats and opcodes instruction fields – Freescale Semiconductor StarCore SC140 User Manual
Page 414
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A-100
SC140 DSP Core Reference Manual
BRA
Example
bra _label2
; disassembled: bra >*+$8
nop
nop
_label2
Instruction Formats and Opcodes
Instruction Fields
Register/Memory Address
Before
After
_label (displacement)
$0000 000A
PC
$0000 0002
$0000 000A
Instruction
Words Cycles Type
Opcode
15
8
7
0
BRA
<label
1
4
4
1
0
0
0
1
A
A
A
A
A
A
A
A
A
A
1
15
8
7
0
BRA
>label
2
4
4
0
0
1
0
a
0
0
1
A
A
A
1
1
a
a
a
1
0
0
A
A
A
A
A
A
A
A
A
A
A
A
a
displacement
(<label)
AAAAAAAAAA0
10-bit signed PC relative displacement
displacement
(>label)
aaaaaAAAAAAAAAAAAAAA0
20-bit signed PC relative displacement
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