ReadLowAndLoop.asm

Language: 8080 Assembly
Last Modified: 2022-11-13 1:21:18 AM UTC
File Size: 470 bytes

http://www.penguinstew.ca/example/AltairAdder/ReadLowAndLoop.asm

; Read Low Value and Loop Program, displays value read from low nibble switches using address lights

ORG 0000H

IN FFH ; 0000: DB FF Read value from switches

ANI 0FH ; 0002: E6 0F Clear high part

MOV D, A ; 0004: 57 Move to High register

LP: LDAX D ; 0005: 1A Load (display) address

JMP LP ; 0006: C3 05 00 Jump to display