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lab2a-3.X68
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lab2a-3.X68
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*-----------------------------------------------------------
* Program :
* Written by :
* Date :
* Description:
*-----------------------------------------------------------
ORG $1000
START: ; first instruction of program
MOVE.L #4,D0
TRAP #15 ; read number from keyboard
MOVE.L D1,D2
MOVE.L #4,D0
TRAP #15 ; read 2nd number from keyboard
SUB.L D1,D2 ; D2=D1-D2
MOVE.L #4,D0
TRAP #15 ; read 3rd number from keyboard
ADD.L D1,D2 ; D2=D1+D2
MOVE.L #4,D0
TRAP #15 ; read 4th number from keyboard
SUB.L D1,D2 ; D2=D1-D2
MOVE.L D2,D1
MOVE.L #10,D2 ; set the number base to 10
MOVE.L #15,D0
TRAP #15 ; print the text
MOVE.B #9,D0
TRAP #15 ; halt simulator
* Variables and Strings
END START ; last line of source
*~Font name~Courier New~
*~Font size~10~
*~Tab type~1~
*~Tab size~8~