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AMD Confidential
User Manual November 21
st
, 2008
Appendix A 199
Instruction
Supported
Mnemonic
Opcode
Description
JB rel8off
72 cb
Jump if below (CF = 1).
JB rel16off
0F 82 cw
Jump if below (CF = 1).
JB rel32off
0F 82 cd
Jump if below (CF = 1).
JC rel8off
72 cb
Jump if carry (CF =1).
JC rel16off
0F 82 cw
Jump if carry (CF =1).
JC rel32off
0F 82 cd
Jump if carry (CF =1).
JNAE rel8off
72 cb
Jump if not above or equal (CF =1).
JNAE rel16off
0F 82 cw
Jump if not above or equal (CF =1).
JNAE rel32off
0F 82 cd
Jump if not above or equal (CF =1).
JNB rel8off
73 cb
Jump if not below (CF = 0).
JNB rel16off
0F 83 cw
Jump if not below (CF = 0).
JNB rel32off
0F 83 cd
Jump if not below (CF = 0).
JNC rel8off
73 cb
Jump if not carry (CF = 0).
JNC rel16off
0F 83 cw
Jump if not carry (CF = 0).
JNC rel32off
0F 83 cd
Jump if not carry (CF = 0).
JAE rel8off
73 cb
Jump if above or equal (CF = 0).
JAE rel16off
0F 83 cw
Jump if above or equal (CF = 0).
JAE rel32off
0F 83 cd
Jump if above or equal (CF = 0).
JZ rel8off
74 cb
Jump if zero (ZF =1).
JZ rel16off
0F 84 cw
Jump if zero (ZF =1).
JZ rel32off
0F 84 cd
Jump if zero (ZF =1).
JE rel8off
74 cb
Jump if equal (ZF =1).
JE rel16off
0F 84 cw
Jump if equal (ZF =1).
JE rel32off
0F 84 cd
Jump if equal (ZF =1).
JNZ rel8off
75 cb
Jump if not zero (ZF = 0).
JNZ rel16off
0F 85 cw
Jump if not zero (ZF = 0).
JNZ rel32off
0F 85 cd
Jump if not zero (ZF = 0).
JNE rel8off
75 cb
Jump if not equal (ZF = 0).
JNE rel16off
0F 85 cw
Jump if not equal (ZF = 0).
JNE rel32off
0F 85 cd
Jump if not equal (ZF = 0).
JBE rel8off
76 cb
Jump if below or equal (CF = 1 or ZF
= 1).
JBE rel16off
0F 86 cw
Jump if below or equal (CF = 1 or ZF
= 1).
JBE rel32off
0F 86 cd
Jump if below or equal (CF = 1 or ZF
= 1).
JNA rel8off
76 cb
Jump if not above (CF = 1 or ZF = 1).
JNA rel16off
0F 86 cw
Jump if not above (CF = 1 or ZF = 1).
JNA rel32off
0F 86 cd
Jump if not above (CF = 1 or ZF = 1).
JNBE rel8off
77 cb
Jump if not below or equal (CF = 0 or
ZF = 0).
JNBE rel16off
0F 87 cw
Jump if not below or equal (CF = 0 or
ZF = 0).
JNBE rel32off
0F 87 cd
Jump if not below or equal (CF = 0 or
ZF = 0).
JA rel8off
77 cb
Jump if above (CF = 0 or ZF = 0).
JA rel16off
0F 87 cw
Jump if above (CF = 0 or ZF = 0).
JA rel32off
0F 87 cd
Jump if above (CF = 0 or ZF = 0).
JS rel8off
78 cb
Jump if sign (SF = 1).
JS rel16off
0F 88 cw
Jump if sign (SF = 1).
JS rel32off
0F 88 cd
Jump if sign (SF = 1).
JNS rel8off
79 cb
Jump if not sign (SF = 0).
JNS rel16off
0F 89 cw
Jump if not sign (SF = 0).
JNS rel32off
0F 89 cd
Jump if not sign (SF = 0).
JP rel8off
7A cb
Jump if parity (PF = 1).