Please Help: Modify the Extended_Add procedure in Section 7.5.2 to add two 256-bit (32-byte) integers. Code in 7.5.2: .data val1 BYTE '8' val2 BYTE '9' .code mov ah,0 mov al,val1 ; AX = 0038h sub al,val2 ; AX = 00FFh aas ; AX = FF09h pushf ; save the Carry flag or al,30h ; AX = FF39h popf ; restore the Carry flag
Please Help: Modify the Extended_Add procedure in Section 7.5.2 to add two 256-bit (32-byte) integers. Code in 7.5.2: .data val1 BYTE '8' val2 BYTE '9' .code mov ah,0 mov al,val1 ; AX = 0038h sub al,val2 ; AX = 00FFh aas ; AX = FF09h pushf ; save the Carry flag or al,30h ; AX = FF39h popf ; restore the Carry flag
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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Please Help:
Modify the Extended_Add procedure in Section 7.5.2 to add two 256-bit (32-byte) integers.
Code in 7.5.2:
.data
val1 BYTE '8'
val2 BYTE '9'
.code
mov ah,0
mov al,val1 ; AX = 0038h
sub al,val2 ; AX = 00FFh
aas ; AX = FF09h
pushf ; save the Carry flag
or al,30h ; AX = FF39h
popf ; restore the Carry flag
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