ReadHighAndLoop.asm

Language: 8080 Assembly
Last Modified: 2022-11-13 1:21:13 AM UTC
File Size: 690 bytes

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

;ReadHighValueandLoopProgramdisplaysvaluereadfromhighnibbleswitchesusingaddresslights

ORG0000H

INFFH;0000:DBFFReadvaluefromswitches

RRC;0002:0FRotatehightolow

RRC;0003:0F

RRC;0004:0F

RRC;0005:0F

ANI0FH;0006:E60FClearhighpart

MOVDA;0008:57MovetoHighregister

LP:LDAXD;0009:1ALoaddisplayaddress

JMPLP;000A:C30900Jumptodisplay