Intel 80C188EC User Manual page 494

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Table D-3. Machine Instruction Decoding Guide (Continued)
Byte 1
Byte 2
Hex
Binary
7E
0111 1110
IP-inc-8
7F
0111 1111
IP-inc-8
80
1000 0000
mod 000 r/m
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
81
1000 0001
mod 000 r/m
mod 001 r/m
mod 010 r/m
mod 011 r/m
mod 100 r/m
81
1000 0001
mod 101 r/m
mod 110 r/m
mod 111 r/m
82
1000 0010
mod 000 r/m
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
83
1000 0011
mod 000 r/m
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
84
1000 0100
mod reg r/m
85
1000 0101
mod reg r/m
86
1000 0110
mod reg r/m
INSTRUCTION SET OPCODES AND CLOCK CYCLES
Bytes 3–6
(disp-lo),(disp-hi), data-8
(disp-lo),(disp-hi), data-8
(disp-lo),(disp-hi), data-8
(disp-lo),(disp-hi), data-8
(disp-lo),(disp-hi), data-8
(disp-lo),(disp-hi), data-8
(disp-lo),(disp-hi), data-8
(disp-lo),(disp-hi), data-8
(disp-lo),(disp-hi), data-lo,data-hi
(disp-lo),(disp-hi), data-lo,data-hi
(disp-lo),(disp-hi), data-lo,data-hi
(disp-lo),(disp-hi), data-lo,data-hi
(disp-lo),(disp-hi), data-lo,data-hi
(disp-lo),(disp-hi), data-lo,data-hi
(disp-lo),(disp-hi), data-lo,data-hi
(disp-lo),(disp-hi), data-lo,data-hi
(disp-lo),(disp-hi), data-8
(disp-lo),(disp-hi), data-8
(disp-lo),(disp-hi), data-8
(disp-lo),(disp-hi), data-8
(disp-lo),(disp-hi), data-8
(disp-lo),(disp-hi), data-SX
(disp-lo),(disp-hi), data-SX
(disp-lo),(disp-hi), data-SX
(disp-lo),(disp-hi), data-SX
(disp-lo),(disp-hi), data-SX
(disp-lo),(disp-hi)
(disp-lo),(disp-hi)
(disp-lo),(disp-hi)
ASM-86 Instruction Format
jle/jng
short-label
jnle/jg
short-label
add
reg8/mem8,immed8
or
reg8/mem8,immed8
adc
reg8/mem8,immed8
sbb
reg8/mem8,immed8
and
reg8/mem8,immed8
sub
reg8/mem8,immed8
xor
reg8/mem8,immed8
cmp
reg8/mem8,immed8
add
reg16/mem16,immed16
or
reg16/mem16,immed16
adc
reg16/mem16,immed16
sbb
reg16/mem16,immed16
and
reg16/mem16,immed16
sub
reg16/mem16,immed16
xor
reg16/mem16,immed16
cmp
reg16/mem16,immed16
add
reg8/mem8,immed8
adc
reg8/mem8,immed8
sbb
reg8/mem8,immed8
sub
reg8/mem8,immed8
cmp
reg8/mem8,immed8
add
reg16/mem16,immed8
adc
reg16/mem16,immed8
sbb
reg16/mem16,immed8
sub
reg16/mem16,immed8
cmp
reg16/mem16,immed8
test
reg8/mem8,reg8
test
reg16/mem16,reg16
xchg
reg8,reg8/mem8
D-13

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