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ENTRY :load r6 with 5 (i.e., XX) :load r7 with the contents of location P1²! just a dummy instruction ;angel_SWIreason_ReportException :ADP_Stopped_ApplicationExit :ARM semihosting (formerly SWI) ;equate XX to 5 store hex 32-bit value 1345678 store the byte 25 in memory store byte whose ASCII character is A in memory store the 16-bit value 12342 in memory ensure code is on a 32-bit word boundary MOV r6,#XX LDR r7, P1 ADD r5,r6,r7 ro, #0x18 rl, =0x20026 MOV LDR SvC #0x123456 EQU 5 DCD Ox12345678 DCB 25 DCB 'A' DCW 12342 ALIGN

ENTRY :load r6 with 5 (i.e., XX) :load r7 with the contents of location P1²! just a dummy instruction ;angel_SWIreason_ReportException :ADP_Stopped_ApplicationExit :ARM semihosting (formerly SWI) ;equate XX to 5 store hex 32-bit value 1345678 store the byte 25 in memory store byte whose ASCII character is A in memory store the 16-bit value 12342 in memory ensure code is on a 32-bit word boundary MOV r6,#XX LDR r7, P1 ADD r5,r6,r7 ro, #0x18 rl, =0x20026 MOV LDR SvC #0x123456 EQU 5 DCD Ox12345678 DCB 25 DCB 'A' DCW 12342 ALIGN

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
Problem 1PE
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explain what each line of code is doing for each line step by step

AREA Directives, CODE, READONLY ENTRY ;load r6 with 5 (i.e., XX) ;load r7 with the contents of location P1²' just a dummy instruction ;angel_SWIreason_ReportException ;ADP_Stopped_ApplicationExit ;ARM semihosting (formerly SWI) ;equate XX to 5 ;store hex 32-bit value 1345678 store the byte 25 in memory store byte whose ASCII character is A in memory store the 16-bit value 12342 in memory ensure code is on a 32-bit word boundary MOV r6, #XX LDR r7,P1 ADD r5,r6,r7 ro, #0x18 rl, =0x20026 svC MOV LDR #0x123456 XX EQU 5 P1 DCD 0x12345678 P3 DCB 25 YY DCB 'A' Тx2 DCW 12342 ALIGN Strgl = "Hello" Strg2 "X2", &0С, &0A Z3 DCW ОХАВСD END
Transcribed Image Text:AREA Directives, CODE, READONLY ENTRY ;load r6 with 5 (i.e., XX) ;load r7 with the contents of location P1²' just a dummy instruction ;angel_SWIreason_ReportException ;ADP_Stopped_ApplicationExit ;ARM semihosting (formerly SWI) ;equate XX to 5 ;store hex 32-bit value 1345678 store the byte 25 in memory store byte whose ASCII character is A in memory store the 16-bit value 12342 in memory ensure code is on a 32-bit word boundary MOV r6, #XX LDR r7,P1 ADD r5,r6,r7 ro, #0x18 rl, =0x20026 svC MOV LDR #0x123456 XX EQU 5 P1 DCD 0x12345678 P3 DCB 25 YY DCB 'A' Тx2 DCW 12342 ALIGN Strgl = "Hello" Strg2 "X2", &0С, &0A Z3 DCW ОХАВСD END
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