Instruction formats and opcodes instruction fields – Freescale Semiconductor StarCore SC140 User Manual
Page 534
A-220
SC140 DSP Core Reference Manual
JTD
Instruction Formats and Opcodes
Instruction Fields
Rn
RRR
Address Register
Instruction
Words
Cycles
Type
Opcode
15
8
7
0
JTD label
3
1/4
1
Note 1: If the jump is not taken, it uses 1 cycle. If the jump is taken, it uses 4 cycles minus the time used by the
execution set in the delay slot. The cycle count for this instruction cannot be less than 1 cycle.
3
0
0
1
1
0
1
0
0
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
JTD Rn
1
1/4
1
4
1
0
0
1
1
R R R
0
1
1
0
0
1
0
0
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.