Intel 80286 User Manual

PROGRAMMING NUMERIC APPLICATIONS
iAPX286 MACRO ASSEMBLER
XREF SYMBOL
TABLE LISTING
NAME
TYPE VALUE ATTR IBUTES, XREFS
CODE
SEGMENT
SIZE=OQ46H ER PUBLIC 19# 69
CONTROL_287 V WORD OOOOH DATA
7# 33
DATA. SEGMENT
SIZE=OlAOH RW PUBLIC 6# 13 20 22
INIT287 L FAR QOOOH
E:XTRN
3# 32
N_OFJ.
V WORD Q002H
DATA 8# 42 56
POP_RESULTS L NEAR 0039H
CODE 60#
STACK
STACK
SIZE=0190H Rt; PUBLIC 16# 20 24 26
START L NEAR
OOOOH
CODE 21# 70
SUM_INDEXES
V DWORD 0198H
DATA 11# 62
SUM_NEXT. L NEAR
0024H
CODE 48# 57
SUM_SQUARES V DWORD
0194H
DATA 10# 61
SUMJ V DWORD
019CH DATA 12# 63
X_ARRAY V DWORD
0004H
( 100)
DATA 9# 49 50
END OF SYMBOL TABLE
LISTING
ASSEMELY COMPLETE,
NO ERRORS
Figure 2-7. Sample ASM286 Program (Cont'd.)
ST(O)
ST(l)
ST(2)
ST(O)
ST(l)
ST(2)
ST(3)
ST(O)
ST(l)
ST(2)
ST(3)
ST(4)
ST(O)
ST(l)
ST(2)
ST(3)
FLOZ, FLOZ, FLOZ
0.0
0.0
0.0
FAOO 5TO) 5T
2.5
0.0
0.0
2.5
FMUL 5T 5T
6.25
2.5
0.0
0.0
2.5
F I
MU L N
OF X
50.0
6.25
0.0
2.5
SU
M_SQUARES
UM_INDEXES
5
SU
X_A
SUM
-
-
RRAY (19)
_SQUARES
SUM
_INDEXES
SUM
-
-
----
-
X_ARRAY(19)2
X_ARRAY(19)
SUM_SQUARES
SUM_INDEXES
SUM_X
........
........
X_A RRAY(19)'20
_SQUARES
_INDEXES
SUM
SUM
SUM
FLO X ARRAy[5Il
5
5
T(O)
T(l)
ST(2)
ST(3)
-
-
ST
(0)
ST
(1)
ST
(2)
ST
(3)
ST
(4)
-
-
ST(O)
ST(l)
ST(2)
ST(3)
....
2.5
0.0
0.0
FLO 5T
2.5
2.5
0.0
0.0
2.5
FAOOP 5T(2) 5T
2.5
6.25
0.0
2.5
X_ARRAY (19)
SUM_SQUARES
SUM_INDEXES
SUM_X
X_ARRAY (19)
X_ARRAY (19)
SUM_SQUARES
SUM_INDEXES
X_ARRAY(19)
SUM_SQUARES
SUM_INDEXES
ST(O) 6.25 SUM_SQUARES
-ffiFAOOP 5T(2),5T
ST(l) 50.0 SUM_INDEXES
ST(2) 2.5 SUM_X
Figure 2-8. Instructions and Register Stack
2-47
G3010a
pcjs.org

Intel 80286 Specifications

General

Processor Type	Microprocessor
Clock Speed	6 MHz to 25 MHz
Transistor Count	134, 000
Addressable Memory	16 MB
Instruction Set	x86
Architecture	x86
Data Bus Width	16-bit
Address Bus Width	24-bit
Operating Modes	Real mode, Protected mode
Process Technology	1.5 µm
Voltage	5V
Introduced	1982
Package	68-pin PGA