Instruction set opcodes and clock cycles d-16 – Intel 80C188XL User Manual
Page 389
INSTRUCTION SET OPCODES AND CLOCK CYCLES
D-16
mod 111 r/m
data-8
sar
reg16/mem16, immed8
C2
1100 0010
data-lo
data-hi
ret
immed16 (intrasegment)
C3
1100 0011
ret
(intrasegment)
C4
1100 0100
mod reg r/m
(disp-lo),(disp-hi)
les
reg16,mem16
C5
1100 0101
mod reg r/m
(disp-lo),(disp-hi)
lds
reg16,mem16
C6
1100 0110
mod 000 r/m
(disp-lo),(disp-hi),data-8
mov
mem8,immed8
mod 001 r/m
—
mod 010 r/m
—
mod 011 r/m
—
mod 100 r/m
—
mod 101 r/m
—
mod 110 r/m
—
C6
1100 0110
mod 111 r/m
—
C7
1100 0111
mod 000 r/m
(disp-lo),(disp-hi),data-lo,data-hi
mov
mem16,immed16
mod 001 r/m
—
mod 010 r/m
—
mod 011 r/m
—
mod 100 r/m
—
mod 101 r/m
—
mod 110 r/m
—
mod 111 r/m
—
C8
1100 1000
data-lo
data-hi, level
enter
immed16, immed8
C9
1100 1001
leave
CA
1100 1010
data-lo
data-hi
ret
immed16 (intersegment)
CB
1100 1011
ret
(intersegment)
CC
1100 1100
int
3
CD
1100 1101
data-8
int
immed8
CE
1100 1110
into
CF
1100 1111
iret
D0
1101 0000
mod 000 r/m
(disp-lo),(disp-hi)
rol
reg8/mem8,1
mod 001 r/m
(disp-lo),(disp-hi)
ror
reg8/mem8,1
mod 010 r/m
(disp-lo),(disp-hi)
rcl
reg8/mem8,1
mod 011 r/m
(disp-lo),(disp-hi)
rcr
reg8/mem8,1
mod 100 r/m
(disp-lo),(disp-hi)
sal/shl
reg8/mem8,1
mod 101 r/m
(disp-lo),(disp-hi)
shr
reg8/mem8,1
mod 110 r/m
—
mod 111 r/m
(disp-lo),(disp-hi)
sar
reg8/mem8,1
Table D-3. Machine Instruction Decoding Guide (Continued)
Byte 1
Byte 2
Bytes 3–6
ASM-86 Instruction Format
Hex
Binary