La impulsión INTERNA 08H (0x08) del formato de la función 13H (0x13) 07H (0x07) consigue parámetros de la impulsión

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INT 13H (0x13)

Function 07H (0x07) >> Format drive

Call with: AH = 07H
AL = interleave
CH = cylinder
DL = drive
80H-FFH fixed disk

Returns: Si función acertada
Carry flag = clear
AH = 00H

Si función fracasada
Carry flag = set
AH = status (ver la tabla del estado dada anterior)

Comentarios:

Esta función se define para los accionamientos de disco fijo de PC/XT solamente. Ajusta a formato la impulsión entera, escribiendo los campos de dirección de disco y los sectores de los datos, empezando el cilindro especificado.

INT 13H (0x13)

Function 08H (0x08) >> Get drive parameters

Call with: AH = 08H
DL = drive
00H-7FH floppy disk
80H-FFH fixed disk

Returns: Si función acertada
Carry flag = clear
BL = drive type (PC/AT and PS/2 floppy
disk)

Valor

Descripción

01H

360KB, 40 track, 5.25”

02H

1.2MB, 80 track, 5.25”

03H

720KB, 80 track, 3.5”

04H

1.44MB, 80 track, 3.5”

CH = low 8 bits of maximum cylinder number
CL = bits 6-7 high order 2 bits of maximum cylinder number bits 0-5 maximum sector number
DH = maximum head number
DL = number of drives
ES: DI = segment: offset of disk drive parameter table

Si función fracasada
Carry flag = set
AH = status

Comentarios:

Esta función vuelve los varios parámetros para la impulsión especificada. El valor volvió en el registro DL refleja el número verdadero de las impulsiones físicas unidas al adaptador para la impulsión solicitada.

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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