Intel 64 and IA-32 Architectures Software Developers Manual Volume 2B, Instruction Set Reference, N-Z

Vol. 2B B-11
INSTRUCTION FORMATS AND ENCODINGS
memory, immediate 0000 1111 : 1011 1010 : mod 111 r/m : imm8
data
register1, register2 0000 1111 : 1011 1011 : 11 reg2 reg1
memory, reg 0000 1111 : 1011 1011 : mod reg r/m
BTR – Bit Test and Reset
register, immediate 0000 1111 : 1011 1010 : 11 110 reg: imm8
data
memory, immediate 0000 1111 : 1011 1010 : mod 110 r/m : imm8
data
register1, register2 0000 1111 : 1011 0011 : 11 reg2 reg1
memory, reg 0000 1111 : 1011 0011 : mod reg r/m
BTS – Bit Test and Set
register, immediate 0000 1111 : 1011 1010 : 11 101 reg: imm8
data
memory, immediate 0000 1111 : 1011 1010 : mod 101 r/m : imm8
data
register1, register2 0000 1111 : 1010 1011 : 11 reg2 reg1
memory, reg 0000 1111 : 1010 1011 : mod reg r/m
CALL – Call Procedure (in same segment)
direct 1110 1000 : full displacement
register indirect 1111 1111 : 11 010 reg
memory indirect 1111 1111 : mod 010 r/m
CALL – Call Procedure (in other segment)
direct 1001 1010 : unsigned full offset, selector
indirect 1111 1111 : mod 011 r/m
CBW – Convert Byte to Word 1001 1000
CDQ – Convert Doubleword to Qword 1001 1001
CLC – Clear Carry Flag 1111 1000
CLD – Clear Direction Flag 1111 1100
CLI – Clear Interrupt Flag 1111 1010
CLTS – Clear Task-Switched Flag in CR0 0000 1111 : 0000 0110
Table B-13. General Purpose Instruction Formats and Encodings
for Non-64-Bit Modes (Contd.)
Instruction and Format Encoding