Instruction formats and opcodes instruction fields – Freescale Semiconductor StarCore SC140 User Manual
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SC140 DSP Core Reference Manual
JT
Instruction Formats and Opcodes
Instruction Fields
Rn
RRR
Address Register
Instruction
Words Cycles Type
Opcode
15
8
7
0
JT label
3
1/4
1
Note 1: If not taken, the jump uses 1 cycle. If taken, the jump uses 4 cycles.
3
0
0
1
1
0
1
0
1
A
A
A
a
a
1
0
0
0
0
1
A
A
A
A
A
A
A
A
A
A
A
A
A
1
0
a
a
a
a
a
a
a
a
a
a
a
a
a
a
15
8
7
0
JT Rn
1
1/4
1
4
1
0
0
1
1
R R R
0
1
1
0
0
1
0
1
label
aaaaaaaaaaaaaaaaAAAAAAAAAAAAAAAA
absolute long address
Note:
Label must be word-aligned, LSBit = 0.
000
R0
010
R2
100
R4
110
R6
001
R1
011
R3
101
R5
111
R7
Note:
This instruction can specify R8-R15 as operands by using a high register prefix.