dsp56800e Freescale Semiconductor, Inc, dsp56800e Datasheet - Page 641

• Manufacturer Part Number: dsp56800e
• Description: 16-bit Digital Signal Controller Core
• Manufacturer: Freescale Semiconductor, Inc

TST.B
Instruction Fields:
Instruction Opcodes:
Timing:
Memory:
Freescale Semiconductor
TST.B
TST.B
TST.B
TST.B
Operation
TST.B
EEE
X:(Rn+xxxx)
X:(Rn+xxxxxx)
X:(SP)
1–3 oscillator clock cycle(s)
1–3 program word(s)
X:(Rn+xxxxxx)
X:(Rn+xxxx)
Operands
X:(SP)
EEE
Test Byte (Word Pointer)
15
15
15
15
0
1
1
1
1
Instruction Set Details
1
1
1
1
1
C
1
1
2
3
1
0
1
0
0
W
12
12
12
12
1
1
2
3
1
1
0
1
1
Test 8-bit byte in register
Test a byte in memory using appropriate addressing
mode
11
11
11
11
0
1
0
1
1
0
0
A
0
0
AAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAA
E
A
0
0
0
E
A
0
0
0
8
8
8
8
E
7
7
1
7
0
1
7
1
Comments
0
1
A
1
0
1
1
1
1
1
0
0
1
0
1
4
4
4
4
R
R
A
0
1
3
3
3
3
TST.B
0
0
A
0
1
R
A
R
1
1
A-297
R
A
R
1
1
0
0
0
0