MFP Lab 1

LAB 1:
Introduction to debug utility (ALP) 6/7/15

>cd DEBUG125
>debug
>-r 			//to see values of all registers


AX:0000
	AH 00
	AL 00


MFP Labflags:  NC - carry flag; if no carry is there
	PO - Pairity Odd
	NA - Auxillary Carry flag
	NZ - Zero flag

	...

> -d

-a

starting address: 072A:0100
-MOV AL, 02
-MOV BL,03
-ADD AL,BL
-INT 3		//it is same as hault. which will stop the execution of the program.
-

>-G=0100


WRITE 10+3 OPTIONS IN JOURNAL. 10 COVERD IN LAB AND 3 OTHER ON YOUR ON. WRITE DESCRIPTIONS ON YOUR OWN. GOOD FOR YOU. :|


*implement a code which will affect zero flag
mov al,02
mov bl,02
sub al,bl
int 3

*implement a code which will affect carry flag
MOV AL,02
MOV BL,03
SUB AL,BL
INT 3

*implement a code which will affect overflow flag
MOV AL,7F
MOV BL,7F
ADD AL,BL
INT 3

*sign flag
same code as carry flag


DESCRIPTION OF "ADD, SUB, MOV, INT" IN JOURNAL