Intel 386 User Manual

Intel386™ EX EMBEDDED MICROPROCESSOR USER’S MANUAL
E-8
SHRD = Shift right double
register/memory by
immediate
0 0 0 0 1 1 1 1 1 0 1 0 1 1 0 0 mod reg r/m
immed
8-bit data
3/7** 3/7**
register/memory by CL 0 0 0 0 1 1 1 1 1 0 1 0 1 1 0 1 mod reg r/m 3/7** 3/7**
AND = And
register to register 0 0 1 0 0 0 d w mod reg r/m 2 2
register to memory 0 0 1 0 0 0 0 w mod reg r/m 7** 7** b h
memory to register 0 0 1 0 0 0 1 w mod reg r/m 6* 6* b h
immediate to
register/memory
1 0 0 0 0 0 0 w mod 1 0 0 r/m immediate data
2/7* 2/7* b h
immediate to accumu-
lator (short form)
0 0 1 0 0 1 0 w immediate data
22
TEST= And function to flags, no result
register/memory
and register
1 0 0 0 0 1 0 w mod reg r/m
2/5* 2/5* b h
immediate data and
register/memory
1 1 1 1 0 1 1 w mod 0 0 0 r/m immediate data
2/5* 2/5* b h
immediate data and
accumulator (short
form)
1 0 1 0 1 0 0 w
immediate
data
22
OR = Or
register to register 0 0 0 0 1 0 d w mod reg r/m 2 2
register to memory 0 0 0 0 1 0 0 w mod reg r/m 7** 7** b h
memory to register 0 0 0 0 1 0 1 w mod reg r/m 6* 6* b h
immediate to
register/memory
1 0 0 0 0 0 0 w mod 0 0 1 r/m immediate data
2/7** 2/7** b h
immediate to accumu-
lator (short form)
0 0 0 0 1 1 0 w immediate data
22
XOR = Exclusive or
register to register 0 0 1 1 0 0 d w mod reg r/m 2 2
register to memory 0 0 1 1 0 0 0 w mod reg r/m 7** 7** b h
memory to register 0 0 1 1 0 0 1 w mod reg r/m 6* 6* b h
immediate to
register/memory
1 0 0 0 0 0 0 w mod 1 1 0 r/m immediate data
2/7** 2/7** b h
immediate to accumu-
lator (short form)
0 0 1 1 0 1 0 w immediate data
22
NOT= Invert
register/memory
1 1 1 1 0 1 1 w mod 0 1 0 r/m
2/6** 2/6** b h
Table E-1. Instruction Set Summary (Sheet 7 of 19)
Instruction Format
Clock Count Notes
Real
Ad-
dress
Mode
or
Virtual
8086
Mode
Pro-
tected
Virtual
Ad-
dress
Mode
Real
Ad-
dress
Mode
or
Virtual
8086
Mode
Pro-
tected
Virtual
Ad-
dress
Mode

Intel 386 Specifications

General

Architecture	x86
Clock Speed	12 MHz to 40 MHz
Transistor Count	275, 000
Data Bus Width	32-bit
Address Bus Width	32-bit
Instruction Set	x86
Introduced	1985
Maximum Memory	4 GB
Operating Modes	Real mode, Protected mode, Virtual 8086 mode
MMU	Yes
Voltage	5V
Model	Intel 386
Package	PGA
Process	1.5 μm to 1 μm