(13), functional 0CH
Function Description: Search
entry parameters: AH = 0CH
CH = low 8 bits of cylinder
CL ( 7-6 bit) = cylinders of lofty 2
DH = head
DL = 80H ~ 0FFH: Hard
export parameters: CF = 0 - successful operation , AH = 00H, otherwise, AH = status code, see the instructions in the function of No. 01H
(14), function 0DH
Function Description: Hard reset
portal Parameter: AH = 0DH
DL = 80H ~ 0FFH: Hard
export parameters: CF = 0 - operation was successful, AH = 00H, otherwise, AH = status code, see the function number 01H described
(15), function 0EH
Function Description: Read sector buffer
entry parameters: AH = 0EH
ES: BX = buffer address
export parameters: CF = 0 - operation was successful, otherwise, AH = status code, see the instructions in the function number 01H
(16), function 0FH
Function Description: Write sector buffer
entry parameters: AH = 0FH
ES: BX = address of the buffer
export parameters: CF = 0 - the operation is successful, otherwise, AH = status code,
air force one nike, see the instructions in the function number 01H
(17), function 10H
Function Description: Read drive status
entry parameters: AH = 10H
DL = 80H ~ 0FFH: Hard
export parameters: CF = 0 - operation was successful, AH = 00H,
air max 2009, otherwise, AH = status code, see the function number 01H described
(18), function 11H
Function Description: calibration of the entrance drive
parameters: AH = 11H
DL = 80H ~ 0FFH : Hard
export parameters: CF = 0 - operation was successful, AH = 00H, otherwise, AH = status code, see the instructions in the function number 01H
(19), function 12H
Function Description: The controller RAM diagnostics
entry parameters: AH = 12H
export parameters: CF = 0 - operation was successful,
asics 3010 麻辣水煮鱼-寒冬里的温暖给力, otherwise, AH = status code, see function No. 01H described
(20), function 13H
Function Description: The controller drive diagnostic
entry parameters: AH = 13H
export parameters : CF = 0 - operation was successful, otherwise, AH = status code, see the instructions in the function of No. 01H
(21), function 14H
Function Description: Controller inner diagnostic
entry parameters: AH = 14H
export parameters: CF = 0 - operation was successful, otherwise, AH = status code, see the instructions in the function of No. 01H
(22) , function 15H
Function Description: Read the disk type
entry parameters: AH = 15H
DL = drive, 00H ~ 7FH: floppy; 80H ~ 0FFH: Hard
export parameters: CF = 1 - operation failed, AH = status code, see the instructions in the 01H function number, otherwise, AH = 00H - no installation drive
= 01H - not change in line assist for the floppy disk drive
= 02H - change the line with support for the floppy disk drive
= 03H - hard, CX: DX = 512 bytes number of sectors
( 23), function 16H
Function Description: Read the disk change state
entry parameters: AH = 16H
DL = 00H ~ 7FH: Floppy
Export parameters: CF = 0 - the disk does no alteration, AH = 00H, otherwise, AH = 06H, 01H function number watch the instructions in the
(24), function 17H
Function Description: set the disk type
entry parameters: AH = 17H
DL = 00H ~ 7FH: Floppy AL = 00H - not with
= 01H - 360K in 360K drive
= 02H - 360K in 1.2M drive
= 03H - 1.2M in 1.2M drive
= 04H - 720K 720K drive in the export
Parameters: CF = 0 - operation was successful, AH = 00H, otherwise, AH = status code, see the instructions in the function number 01H
(25), function 18H
Function Description: Set
entry format media type parameters: AH = 18H
CH = cylinders
CL = number of sectors per alley
DL = 00H ~ 7FH: floppy
export parameters: CF = 0 - operation was successful, AH = 00H, ES: DI = address of the media type parameter catalogue, otherwise, AH = status code, see the features described in No. 01H
(26), function 19H
Function Description: head conservation, only in the PS / 2 is valid, in which omitted
(27), function 1AH
Function Description: Format ESDI drive, only in the PS / 2 is valid, in which omitted
3, reg code port service (Serial Port Service - INT 14H)
00H - initialize the communication port 03H - read the communication port state
01H - output character to the communication port 04H - initialize the communication port expansion
02H - read characters from the communication port
(1), Function 00H
Function Description: portal
initialize communications port parameters: AH = 00H
DX = initialize communication slogan (0 = COM1, 1 = COM2, ... ...)
AL = initializing parameters, the parameters It’s about time: baud rate parity bits stop bit word
76543210
000 = 110X0 = None0 = 1 bit10 = 7 bits
001 = 15001 = Odd1 = 2 bits11 = 8 bits
010 = 30011 = Even
011 = 600
100 = 1200
101 = 2400
110 = 4800
111 = 9600
for PS / 2, obtainable INT 14H function 04H and 05H to initialize the communication rate is greater than 9600.
export parameters: AH = communication port status, the status bit is 1, the following meanings: bit 7 - bit out
6 - Transfer shift register empty
bit 5 - Transfer holding enroll vacant
Bit 4 - detect a stop bit 3 - bit that skeleton error
2 - Parity error found
bit 1 - found out of bounds peccadillo
bit 0 - received data is ready
AL = Modem status
bit 7 - to approve bit-line signal diagnosis
6 - Ring Indicator
bit 5 - Data Send Ready
bit 4 - to explicit the data, and bring bit 3 - change in the receiving line whistle diagnosis
bit 2 - after the boundary ring arrow
bit 1 - change the Function Description: Communications Port to the entrance of the output character
parameters: AH = 01H
AL = character
DX = initialize communication slogan (0 = COM1, 1 = COM2 , ... ...)
export parameters: AL the value of the constant
AH bit 7 = 0 - the operation is successful, communication port state, AH bit 6 to 0 is the status bit
(3), function 02H
Function Description: Read character from the communication port parameters
entry: AH = 02H
DX = initialize communication slogan (0 = COM1, 1 = COM2, ... ...)
export parameters: AL = received character
AH bit 7 = 0 - the operation is successful, communication port state, AH's Bit 6 ~ 0 is the status bit
(4),
各种民间偏方，据说有人试过。, function 03H
Function Description: Read the state
entry communication port parameters: AH = 03H
DX = initialize communication slogan (0 = COM1, 1 = COM2, ... ...)
export parameters: AH = communication port status, AL = Modem status, see the features described in No. 00H
(5), function 04H
Function Description: initialize the communication port to inflate only in the PS / 2 is valid, in which omitted
4, miscellaneous system services ( Miscellaneous System Service - INT 15H)
00H - On cassette motor 85H - System request (SysReq) opener
01H - Off cassette motor 86H - lag
02H - Reading cassette 87H - Move extended memory block
03H - jot cassette 88H - read the extended memories size
0FH - Format ESDI drive intermittent interrupt 89H - into protected mode
21H - Read / write self test (POST) error logs 90H - Equipment wait
4FH - keyboard intercept 91H - equipment POST
80H - Equipment Open C0H - read system environment
81H - equipment off C1H - read the extended BIOS file space address
82H - the process terminates C2H - mouse graphics
83H - Event Wait C3H - set WatcHdog out
84H - read joystick C4H - Programmable alternative elect
(1), Function 00H
Function Description: Open cassette motor
entry parameters: AH = 00H
export parameters: CF = 0 - operation was successful, otherwise, AH = status (86H, if not installed cassette)
(2), function 01H
Function Description: cassette motor off
entry parameters: AH = 01H
export parameters: CF = 0 - operation was successful, otherwise, AH = status (86H,
alife rivington, if I were you installed cassette)
(3), function 02H
Function Description: Read the cassette tape drive
entry parameters: AH = 02H
CX = number of bytes read
ES: BX = address of the buffer storage of data
export parameters: CF = 0 - operation was successful, DX = number of bytes actually read, ES: BX points to the back of the last byte of the address, otherwise, AH = status code, meaning its value is as with: 01H
- CRC checksum error 80H - Illegal command
02H - digital signal muddle 86H - not installed cassette
04H - no discovery data
( 4), function 03H
Function Description: Write cassette
entry parameters: AH = 03H
CX = number of bytes to be written
ES: BX = buffer address saved data
export parameters: CF = 0 - operation was successful, CX = 00H, ES: BX points to the back of the last byte of the address, otherwise, AH = status code, averaging its value is consist in ...: 80H -
illegal directive 86H - not installed cassette
(5), functional 0FH
Function Description: Format disruption of ESDI drives on a regular basis, only in the PS / 2 valid in this omitted
(6), function 21H
Function Description: read / write ego test (POST) error logs, only in the PS / 2 valid in this omitted
(7), functional 4FH
Function Description: keyboard intercept, only in the PS / 2 is valid, in which omitted
(8), function 80H
Function Description: Open the device
entry parameters: AH = 80H
BX = device number
CX = process ID
export parameters: CF = 0 - operation was successful, AH = 00H, otherwise, AH = status code
(9), function 81H
function Description: Turn off the device
entry parameters: AH = 81H
BX = apparatus number
CX = process ID
export parameters: CF = 0 - operation is successful, AH = 00H, otherwise, AH = status code
(10), function 82H
Function Description: Process termination
entry parameters: AH = 81H
BX = process ID
export parameters: CF = 0 - operation was successful, AH = 00H, otherwise, AH = status code
(11), function 83H
Function Description: Event wait
entry parameters: AH = 83H If you absence to wait for the event, then: AL = 00H
CX: DX = thousand each minute
ES : BX = address of byte semaphore
Otherwise, the call parameters for the AL = 01H
export parameters: If you cry, AL = 00H, the operation is successful - CF = 0, otherwise CF = 1
(12), function 84H
Function Description: Read joystick
entry parameters: AH = 84H
DX = 00H - Read switch settings
= 01H - read the resistance of the input
export parameters: CF = 1H - operation failed, otherwise,
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DX = 00H when, AL = switch (bits 7 ~ 4)
DX = 01H while, AX, BX, CX and DX are A (x), A (y), B (x) and B (y) the value of the
(13), function 85H
Function Description: The system request (SysReq) key
entry parameters: AH = 85H
AL = 00H - key Press
= 01H - key loosen
export parameters: CF = 0 - operation was successful, AH = 00H, otherwise, AH = status code
(14 ), function 86H
Function Description: Delayed
entry parameters: AH = 86H
CX: DX = thousand every minute
export parameters: CF = 0 - operation was successful, AH = 00H
(15), function 87H
Function Description: From the conventional memory and extended memory extended memory block to shake between entry parameters
: AH = 87H
CX = number of words moved
ES: SI = GDT (Global Descriptor Table) address, its structure is defined consist in ...: offset message cached
00h-0Fh reserved, but now all is 0
10h-11h of the length (2CX-1 or greater)
12h-14h24-bit source address
15h Access bytes (a value of 93h)
16h-17h reserved, but now all is 0
18h-19h of the length (2CX-1 alternatively greater)
1Ah-1Ch 24-bit destination source address
1Dh access bytes (the value is 93h)
1Eh-2Fh maintained,
asics gel kanbarra 5, but now entire is 0
Export Parameters: CF = 0 - operation was successful, AH = 00H, otherwise, AH = status code, its meaning is It’s about time:
01H - RAM parity error
02H - abort error
03H - 20 door address line failure
(16), function 88H
Function Description: Read the extended memory size
entry parameters: AH = 88H
export parameters: AX = number of bytes of extended memory (in K units)
(17), function 89H
functional description: access to defended mode, CPU from real mode into protected mode
entry parameters: AH = 89H
BH = IRQ0 interrupt number
BL = IRQ8 interrupt number
ES: SI = GDT's address (see the function number 87H)
export parameters: CF = 1 - operation failed, AH = 0FFH, otherwise, AH = 00H, CS, DS, ES and SS are user-defined options device
(18), function 90H
Function Description: The device waits
entry parameters: AH = 90H AL = drive type, the specific drive types are defined as follows:
= 00H ~ 7FH - and then reuse the equipment serial
= 80H ~ 0BFH - reentrant devices
= 0C0H ~ 0FFH - waiting for way to equipment, not self- check function
00h - disk
02h - Keyboard
80h - network
FDh - floppy disk motor begin 01h - Floppy
03h - Point Equipment (Pointing Device)
FCh - Hard Reset
FEh - Printer
ES: BX = steer type of the request 80H ~ 0FFH stop address
Export parameters: CF = 1 - operation failed, otherwise, AH = 00H
(19), function 91H
Function Description: The device POST
entry parameters: AH = 91H
AL = 00H ~ 7FH - Serial longer reusable equipment
= 80H ~ 0BFH - reentrant devices
export parameters: AH = 00H
(20), function 0C0H
Function Description: Read the system environment
entry parameters: AH = 0C0H
export parameters: ES : BX = configuration chart address, configure the table is defined as usual: offset signification namely
00h-01h table size (bytes)
02h model
03h system sub-model
04hBIOS version
05h configuration, which takes you to the following description of 1:
bit 7-DMA channel 3 accustomed
bit 6 - there is a subordinate 8259
bit 5 - bit real time clock and effective
4 - keyboard intercept effective
bit 3 - await as outer events efficient
bit 2 - Extended BIOS data area
bit 1 - micro-channel facilities
bit 0 - reserved
06h-09h reserved
(21), function C1H
Function Description: Read extended BIOS data area address, only in the PS / 2 valid in this omitted
(22), functional traits C2H
Description: Mouse graphics, only in the PS / 2 is valid, in which omitted
(23), function C3H
Function Description: Set WatcHdog timeout, only PS / 2 in the effective In this omitted
(24), functional C4H
Function Description: programmable option culling, only in the PS / 2 is legal, in which disregarded
5, the keyboard service (Keyboard Service - INT 16H)
00H, 10H - read from the keyboard characters 03H - set the repeat rate
01H, 11H - read the keyboard state 04H - set the keyboard Click
02H, 12H - read the keyboard symbol 05H - temperament and scan code into the pile
(1), Function 00H, and 10H
Function Description: Read from the keyboard entry into the character
parameters: AH = 00H - read keyboard
= 10H - Reading extended keyboard, along to the contents of judgments 0000:0496 H unit: extended keyboard is valid
Export parameters: AH = keyboard scan code
AL = ASCII character code
(2), 01H and 11H
features Function Description: Read keyboard status
entry parameters: AH = 01H - Check the mediocre keyboard
= 11H - check extended keyboard
export parameters: ZF = 1 - no character input, otherwise, AH = keyboard scan code, AL = ASCII code.
(3), 02H and 12H
features Function Description: Read keyboard entry signs
parameters: AH = 02H - Common keyboard shift flags
= 12H - extended keyboard shift flags
export parameters: AL = keyboard flag (02H and 12H are valid), the Members of the value of 1 means the following: open spaces 7-INS Status bit 3-ALT key is pressed
bit 6-CAPS LOCK status bit 2-CTRL to open key is pressed
bit 5-NUM LOCK status bit to open 1 - Left SHIFT key is pressed
open spaces 4-SCROLL LOCK status bit 0 - the right SHIFT key is pressed
AH = extended keyboard symbol (12H valid), the Members of the value of 1 manner as with:
bit 7-SysReq key pressed bit 3 - the right ALT key is pressed
bit 6-CAPS LOCK key is pressed bit 2 - the right CTRL key is pressed
bit 5-NUM LOCK key pressed bit 1 - the left ALT key is pressed
-bit 4-SCROLL key is pressed, bit 0 - the left CTRL key is pressed
(4), functional portrayal of the feature 03H
: Set the repeat rate
entry parameters: AH = 03H for PC / AT and PS / 2: AL = 05H
BH = repeat delay
BL = repeat rate
for the PCjr: AL = 00H - Load the default rate and delay
= 01H - increase the initial delay
= 02H - repetition rate cut in half
= 03H - additional latency and lower half of the repetition rate
= 04H - corner off keyboard reiterate
export parameters: None
(5), functional 04H
Function Description: Set the keyboard click
entry parameters: AH = 04H AL = 00H - turn off keyboard click function
= 01H - click to open the keyboard function
export parameters: None
(6), function 05H
Function Description: The character and scan code into the stack
entry parameters: AH = 05H
CH = description of the character code
CL = ASCII character code
export parameters: CF = 1 - the operation is successful, AL = 00H, otherwise, AL = 01H
6, Parallel Port Services (Parallel Port Service - INT 17H)
00H - the character to the printer output
01H - initialize the printer port
02H - read the printer status
(1), Function 00H
Function Description:
to printer output character entry parameters: AH = 00H
AL = Output character
DX = printer number (0-LPT1 ,1-LPT2 ,2-LPT3, ... ...)
export parameters: AH = printer status. The Members of 1 the retinue meanings: bit 7 - the printer is lazy bit 3-I / O error
bit 6 - bit printer Response 2 - kept
bit 5 - no paper bit 1 - reserved
morsel 4 - bit 0 is selected printer - printer timeout
(2), function 01H
Function Description: Initialize the printer port
import parameters: AH = 01H
DX = printer number (0-LPT1 ,1-LPT2 ,2-LPT3, ... ...)
export parameters: AH = printer status. 00H shows you the following functions defined
(3), function 02H
Function Description: Read printer status
entry parameters: AH = 02H
DX = printer number (0-LPT1 ,1-LPT2 ,2-LPT3, ... ...)
backup parameters: AH = printer status. 00H shows you the emulating functions defined
7, the timer service (Clock Service - INT 1AH)
00H - read the clock 01H - set the clock 04H - read date 80H - set the sound source information
05H - set the appointment
(1),
勤能补唑, Function 00H
Function Description: Read clock br>
entry parameters: AH = 00H
export parameters: AL = 00H - not afterward midnight, otherwise, that has passed nightly
CX: DX = clock
(2), function 01H
Function Description: Set the clock
export parameters: CH = BCD code format of the hour
CL = BCD code format of the minutes
DH = BCD code format of the second
DL = 00H - standard time, otherwise, daylight saving time
CF = 0 - clock in the walk, otherwise, the clock is stopped
(4), function 03H
Function Description: set the time parameters
entry: AH = 03H
CH = BCD code format of the hour
CL = BCD code format of the minutes
DH = BCD code format seconds
DL = 00H - criterion time, otherwise the export parameters
sunshine saving time: no
(5), function 04H
function Description: Read Date
entry parameters: AH = 04H
export parameters: CH = BCD code format of the century
CL = BCD code format of the year
DH = BCD code format of the every month
DL = BCD code format of the day
CF = 0 - clock in the walk, otherwise, the clock is stopped
(6) , function 05H
Function Description: Set the date
entry parameters: AH = 05H
CH = BCD code format of the centenary
CL = BCD code format annual
DH = BCD code format of the monthly
DL = BCD code format of the day
export parameters: None
(7), function 06H
Function Description: Set the alarm
entry parameters: AH = 06H
CH = BCD code format of the hour
CL = BCD code format of the minutes of
DH = BCD code format of the second
export parameters: CF = 0 - operation was successful, otherwise, the bell clock is set or clock stopped
(8), function 07H
Function Description: Alarm reset
entry parameters: AH = 07H
export parameters: None
(9), function 0AH
Function Description: Count the number of days to read, only PS / 2 and effective, in this omitted
(10), function 0BH
Function Description: Set the number of days counted only in the PS / 2 effective, in this omitted
(11), function 80H
Function Description: Set the sound source information
entry parameters: AH = 80H
AL = sound sources
= 00H - 8253 programmable clock, channel 2
= 01H - cassette tape input
= 02H - I / O channels The > INT 00H - >
INT 04H - Arithmetic spill error
INT 05H - print screen and BOUND cross-border
INT 06H - Illegal Instruction error
INT 07H - processor extension invalid
INT 08H - intervene
INT 09H - keyboard input
INT 0BH - communication port (COM2:)
INT 0CH - communication port (COM1: )
INT 0EH - disk drive input / output
INT 11H - read the device configuration
INT 12H - read conventional memory size (memory capacity for the return value of AX, the K elements)
INT 18H-ROM BASIC
INT 19H - restart the system
INT 1BH-CTRL + BREAK handler
INT 1CH - Users clock service
INT 1DH - point to the display parameter table arrow
INT 1EH - point to the disk drive parameter table pointer
INT 1FH - point to the graphic character pattern table pointer 6
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Linear Mode
