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18. In the program of Fig. 2.9, what is the advantage of writing (on line 107) MAXLEN EQU BUFEND-BUFFER instead of MAXLEN EQU 4096 ?

18. In the program of Fig. 2.9, what is the advantage of writing (on line 107) MAXLEN EQU BUFEND-BUFFER instead of MAXLEN EQU 4096 ?

Database System Concepts
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
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ull T-Mobile ? 2:44 AM 66% 4 File Details CS530-03: Systems Progr... Chapter 2 Assemblers g. 2* MAXLEN-1 h. MAXLEN-BUFFER i. FIRST+BUFFER j. FIRST-BUFFER+BUFEND 18. In the program of Fig. 2.9, what is the advantage of writing (on line 107) MAXLEN EQU BUFEND-BUFFER instead of MAXLEN EQU 4096 ? 19. In the program of Fig. 2.15, could we change line 190 to МАXLEN EQU BUFEND-BUFFER and line 133 to +LDT #MAXLEN as we did in Fig. 2.9? 20. The assembler could simply assume that any reference to a symbol not defined within a control section is an external reference. This change would eliminate the need for the EXTREF statement. Would this be a good idea? « Previous Next 2 6. Dashboard Calendar To Do Notifications Inbox
Transcribed Image Text:ull T-Mobile ? 2:44 AM 66% 4 File Details CS530-03: Systems Progr... Chapter 2 Assemblers g. 2* MAXLEN-1 h. MAXLEN-BUFFER i. FIRST+BUFFER j. FIRST-BUFFER+BUFEND 18. In the program of Fig. 2.9, what is the advantage of writing (on line 107) MAXLEN EQU BUFEND-BUFFER instead of MAXLEN EQU 4096 ? 19. In the program of Fig. 2.15, could we change line 190 to МАXLEN EQU BUFEND-BUFFER and line 133 to +LDT #MAXLEN as we did in Fig. 2.9? 20. The assembler could simply assume that any reference to a symbol not defined within a control section is an external reference. This change would eliminate the need for the EXTREF statement. Would this be a good idea? « Previous Next 2 6. Dashboard Calendar To Do Notifications Inbox
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