13H INTERNO (0x13) leyó la función 02H (0x02) del sector escribe la función 03H (0x03) del sector

 
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INT 13H (0x13)

Function 02H (0x02) >> Read sector

Call with: AH = 02H
AL = number of sectors
CH = cylinder
CL = sector
DH = head
DL = drive
00H-7FH floppy disk
80H-FFH fixed disk

ES:BX = segment: offset of buffer

Returns: Si función acertada
Carry flag = clear
AH = 00H
AL = número de los sectores transferidos

Si función fracasada
Carry flag = set
AH = status

Comentarios:

Esta función lee unos o más sectores del disco en memoria. En discos fijos, los 2 pedacitos superiores del número de cilindro de 10 pedacitos se ponen en los 2 pedacitos superiores del CL del registro.

INT 13H (0x13)

Function 03H (0x03)  Write sector

Call with: AH = 03H
AL = number of sectors
CH = cylinder
CL = sector
DH = head
DL = drive
00H-7FH floppy disk
80H-FFH fixed disk
ES: BX = segment: offset of buffer

Returns: Si función acertada
Carry flag = clear
AH = 00H
AL = el número del sector transfirió

Si función fracasada
Carry flag = set
AH = status

Comentarios:

Esta función escribe unos o más sectores de la memoria al disco. En discos fijos, los 2 pedacitos superiores del número de cilindro de 10 pedacitos se ponen en los 2 pedacitos superiores del CL del registro.

Sample Chapters from book DATA RECOVERY WITH AND WITHOUT PROGRAMMING by Author Tarun Tyagi, translated using machine translation. See original English contents on Data recovery book pages.

Data Recovery with & without Programming


Publishers of the Book
Number of Pages
ISBN
Price of the Book


BPB Publications, New Delhi, India
540
81-7656-922-4
$69.00 (Including Shipping Charges, Cost of Book and Other expenses, Free Source Code CD included with the Book)





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