
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Create a code (assembly language) that allows PIC18 microprocessor, which is connected to 7-segment display, to repeatedly count down from 100 to 00. The commands which are allowed are MOVLW, ADDLW, MOVWF, ADDWF, MOVFF, DECF, COMF, GOTO. No loops are allowed please.
eg. of increment code:
CLRF TRISC
COUNT EQU 0x25
MOVLW 00H
RND1
MOVWF PORTC
INCF PORTC, F
MOVF PORTC, W
DAW
GOTO RND1
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