Instruction formats and opcodes instruction fields – Freescale Semiconductor StarCore SC140 User Manual
Page 424
A-110
SC140 DSP Core Reference Manual
BT
Instruction Formats and Opcodes
Instruction Fields
d2
$0000
$0000
pc
$0006
$0016
Instruction
Words
Cycles
1
Note 1: If the branch is not taken, it uses 1 cycle. If the branch is taken, it uses 4 cycles.
Type
Opcode
15
8
7
0
BT
1
1/4
4
1
0
0
0
0
0
0
A
A
A
A
A
A
A
A
1
15
8
7
0
BT
>label
2
1/4
4
0
0
1
0
a
1
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
(
AAAAAAAA0
8-bit signed PC relative displacement
displacement
(>label)
aaaaaAAAAAAAAAAAAAA
A0
20-bit signed PC relative displacement
Register/Memory Address
Before BT
After