After the execution of line 69 what happens to the offsets in ESP and EIP?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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After the execution of line 69 what happens to the offsets in ESP and EIP?

1
READING CODE - STACK
47
list the output of the following program assuming the input is as follows:
3
101
mov al, 0; Return code of 0
mov ah, 4ch: Exit back to MSDOS
48
49
4
232
50
int 21h
Main ENDP
5
48
51
17
52
7
53
Data
; re-enter the data segment for this procedure
include PCMAC.INC
54
NEWLINE EQU_PutCh 13, 10
MessageSub
Mystery
55
DB 'Enter a number $'
10
56
DW ?
11
MODEL SMALL
57
12
STACK 100h
DATA
CODE ; return to coding
58
13
59
Messagel DB 'Total sold today, S'
Message2 DB , is: $'
Sublnput PROC
mov cx, 4
14
60
15
61
16
62
myLoop:
17
63
CODE
EXTERN GetDec: NEAR, PutDec NEAR
PutStr MessageSub
call GetDec
add Mystery, ax
18
64
19
65
20
Main PROC
66
dec cx
inz myLoop
mov ax, Mystery
21
mov ax, @data
ds, ax
GetDate
push cx
push dx
push dx
call Sublnput send control to subprocedure
mov bx, ax
PutStr Messagel
67
22
mov
68
23
69
ret
24
70
25
71
Sublnput ENDP
26
72
73
END Main; Tells where to start execution
28
74
75
рop dx
mov al, dh
mov ah, 0
call PutDec
PutCh "
pop dx
mov al, dl
mov ah, 0
call PutDec
76
31
32
33
34
35
36
37
38
39
_PutCh "
40
рop сх
41
mov ax, cx
call PutDec
_PutStr Message2
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43
44
45
mov ax, bx
call PutDec
NEWLINE
46
Transcribed Image Text:1 READING CODE - STACK 47 list the output of the following program assuming the input is as follows: 3 101 mov al, 0; Return code of 0 mov ah, 4ch: Exit back to MSDOS 48 49 4 232 50 int 21h Main ENDP 5 48 51 17 52 7 53 Data ; re-enter the data segment for this procedure include PCMAC.INC 54 NEWLINE EQU_PutCh 13, 10 MessageSub Mystery 55 DB 'Enter a number $' 10 56 DW ? 11 MODEL SMALL 57 12 STACK 100h DATA CODE ; return to coding 58 13 59 Messagel DB 'Total sold today, S' Message2 DB , is: $' Sublnput PROC mov cx, 4 14 60 15 61 16 62 myLoop: 17 63 CODE EXTERN GetDec: NEAR, PutDec NEAR PutStr MessageSub call GetDec add Mystery, ax 18 64 19 65 20 Main PROC 66 dec cx inz myLoop mov ax, Mystery 21 mov ax, @data ds, ax GetDate push cx push dx push dx call Sublnput send control to subprocedure mov bx, ax PutStr Messagel 67 22 mov 68 23 69 ret 24 70 25 71 Sublnput ENDP 26 72 73 END Main; Tells where to start execution 28 74 75 рop dx mov al, dh mov ah, 0 call PutDec PutCh " pop dx mov al, dl mov ah, 0 call PutDec 76 31 32 33 34 35 36 37 38 39 _PutCh " 40 рop сх 41 mov ax, cx call PutDec _PutStr Message2 42 43 44 45 mov ax, bx call PutDec NEWLINE 46
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