An interrupt occurs when line 23 is being performed. (TOS top of stack) Line Instruction PC W Data1 Data2 TOS 04 GOTO 0x30 20 NOP Ох 33 Ох а b Ox ff 40 21 MOVFW Data1 22 ADDLW 0x 0f MOVWE Data1 MOVLW Ox 11 ADDFW Data1, f 23 24 25 26 NOP NOP (end execution here) 27 21

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
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An interrupt occurs when line 23 is being performed. (TOS top of stack)
Line
Instruction
PC
W
Data1
Data2
TOS
04
GOTO 0x30
20
NOP
21
Ох 33
Ox ff
Оха b
40
21
MOVFW Data1
22
ADDLW 0x Of
MOVWE Data1
MOVLW Ox 11
ADDFW Data1, f
23
24
25
26
NOP
27
NOP (end execution
here)
30
MOVLW Ox66
31
MOVWF Data2
33
RETFIE
PIC16F886 ASSEMBLY LANGUAGE
Transcribed Image Text:An interrupt occurs when line 23 is being performed. (TOS top of stack) Line Instruction PC W Data1 Data2 TOS 04 GOTO 0x30 20 NOP 21 Ох 33 Ox ff Оха b 40 21 MOVFW Data1 22 ADDLW 0x Of MOVWE Data1 MOVLW Ox 11 ADDFW Data1, f 23 24 25 26 NOP 27 NOP (end execution here) 30 MOVLW Ox66 31 MOVWF Data2 33 RETFIE PIC16F886 ASSEMBLY LANGUAGE
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