Sharp MZ-5500 - Page 113

°The following shows the action of the 8086 CPU and the 8087 NOP when thJ
~.
next progrnm is executed.
CSEG
1
ORG
100H
2 MOV AX,2000H
3
MOV
OS,
4
MOV
BX,O
5
MOV BP,2
6
MOV
SI,4
7
MOV
AX,l
8
HOV
[EX] ,AX
9
MOV AX,2
10
MOV OS: [BP],AX
1 1 MOV
AX,O
12
MO\'
DS: [SI) ,AX
1 3
14
(WAIT)
15
FINIT
] 6
(WAlT)
1 7
FILO
[BX]
] 8
(WATT)
] 9
FIAOO OS: [BP]
20
(WAIT)
21 FJST
OS: [S11
22
WAIT
23
24
MOV OX,DS:fSI)
25
AND
OX,OFH
:L6 ADD
OX,30H
27
MOV ·
CL,2
28
I~T 224
29
30
XOR
CX,CX
31
XOF.
OX,DX
32
INT
224
33 END
This progrnm adds the contents in 20000B with the contents of 20002H and
the result is stored 1n 20004H using the 8087.
llO