?? drivers.mac
字號:
media_check_req STRUC ; Media Check request
db TYPE static_rhp DUP (?)
media_id db ? ; Media ID byte -- NOTE: this offset is
media_check_req ENDS ; used by several other requests!
media_check_ans STRUC ; Media check answer
db TYPE static_rhp DUP (?)
db ?
media_changed db ? ; Media changed code
media_label dd ? ; Segment:Offset of volume label
media_check_ans ENDS
build_bpb_req STRUC ; Build BPB request
db TYPE static_rhp DUP (?)
media_id db ? ; Media ID byte
bpb_fat dd ? ; Segment:Offset of FAT buffer
build_bpb_req ENDS
build_bpb_ans STRUC ; Build BPB answer
db TYPE static_rhp DUP (?)
db (12H - (TYPE static_rhp)) DUP (?)
bpb_bpb dd ? ; Segment:Offset of BPB
build_bpb_ans ENDS
io_req STRUC ; Read/Write/Write-Verify/IOCTL-Read/IOCTL-Write request
db TYPE static_rhp DUP (?)
media_id db ? ; Media ID byte
io_data dd ? ; Segment:Offset of data
io_requested dw ? ; Bytes/Sectors Requested
io_start dw ? ; Starting sector number (LSW)
io_start_high dw ? ; Starting sector (MSW) (DOS 3.31 only)
dw ?
io_huge_start dd ? ; 32-bit starting sector number
io_req ENDS
io_ans STRUC ; Read/Write/Write-Verify/IOCTL-Read/IOCTL-Write answer
db TYPE static_rhp DUP (?)
db (12H - (TYPE static_rhp)) DUP (?)
io_transfered dw ? ; Bytes/Sectors transfered
dw ?
io_label dd ? ; Segment:Offset of volume label
io_ans ENDS
nd_read_ans STRUC ; Non-Destructive read answer
db TYPE static_rhp DUP (?)
nd_read_char db ? ; Character read
nd_read_ans ENDS
gen_ioctl_req STRUC ; Generic IOCTL request
db TYPE static_rhp DUP (?)
gen_category db ? ; Category (major) code
gen_function db ? ; Function (minor) code
gen_si dw ? ; SI register contents
gen_di dw ? ; DI register contents
gen_data dd ? ; Segment:Offset of data package
gen_ioctl_req ENDS
media_id_buffer STRUC
mib_info_level dw ?
mib_serial_number dd ?
mib_volume_label db 11 dup (?)
mib_file_sys_type db 8 dup (?)
media_id_buffer ENDS
device_params STRUC
dpSpecFunc db ? ;special functions
dpDevType db ? ;device type
dpDevAttr dw ? ;device attributes
dpCylinders dw ? ;number of cylinders
dpMediaType db ? ;media type
dpBPB db TYPE bios_parameter_block DUP (?)
device_params ENDS
MEDIA_5_25_DS_15 equ 0F9H ; 5.25" double sided, 15 sector
MEDIA_5_25_SS_9 equ 0FCH ; 5.25" single sided, 9 sector
MEDIA_5_25_DS_9 equ 0FDH ; 5.25" double sided, 9 sector
MEDIA_5_25_SS_8 equ 0FEH ; 5.25" single sided, 8 sector
MEDIA_5_25_DS_8 equ 0FFH ; 5.25" double sided, 8 sector
MEDIA_3_5_DS_9 equ 0F9H ; 3.5" double sided, 9 sector
MEDIA_FIXED_DISK equ 0F8H ; Fixed disk
MEDIA_3_5_DS_18 equ 0F0H ; 3.5" double sided, 18 sector
;* Page 458 of MS-DOS Encyclopedia indicates that the media ID byte for
;* 3.5" double sided, 18 sector disks is 0F0H, but page 96 of the same
;* same reference indicates that this media ID is 0F9H
;*
CR EQU 13 ; ASCII carrage return
LF EQU 10 ; ASCII line feed
COMMENT #
Below are the segment and group definitions for the driver.
o CORE Core code that is ALWAYS loaded.
o BLOCK Block device driver code - loaded if drives redirected
o SERIAL Serial 3-wire polled I/O routines
o PARALLEL Parallel 11-wire I/O routines
o PRINTER Printer redirection code
o INIT Device driver initialization code
o MAIN Code that is executed when .EXE file run as a program
o STACK Stack used when executed as a .EXE file
All of the groups will belong to the group DRIVER and will be ordered
as in the above list. The resident code must come before the transient
data and code. Segment CORE must be at the begining because the device
driver header must be located at location zero. The CS, DS, and SS
registers will be ASSUMED to be at GROUP DRIVER. All code and data must be
assigned to one of these segments.
#
.SEQ ; Segments must appear in this order
CORE SEGMENT WORD PUBLIC 'CODE'
CORE ENDS
BLOCK SEGMENT WORD PUBLIC 'CODE'
BLOCK ENDS
SERIAL SEGMENT WORD PUBLIC 'CODE'
SERIAL ENDS
PARALLEL SEGMENT WORD PUBLIC 'CODE'
PARALLEL ENDS
PRINTER SEGMENT WORD PUBLIC 'CODE'
PRINTER ENDS
VARLEN SEGMENT WORD PUBLIC 'CODE'
VARLEN ENDS
INIT SEGMENT WORD PUBLIC 'CODE'
INIT ENDS
MAIN SEGMENT WORD PUBLIC 'CODE'
MAIN ENDS
STACK SEGMENT WORD STACK 'STACK'
STACK ENDS
DRIVER GROUP CORE, BLOCK, SERIAL, PARALLEL, PRINTER
DRIVER GROUP VARLEN, INIT, MAIN, STACK
ASSUME DS:DRIVER, CS:DRIVER, SS:DRIVER
DVR EQU <OFFSET DRIVER>
STACK_SIZE EQU 256 ; Stack size for device drivers & TSRs
MAX_PRINTERS EQU 3 ; Max printers that can be redirected
LOCAL_MODE equ 0 ; Current operating mode values for
REMOTE_MODE equ 1 ; auxiliary drivers and print
AUTO_MODE equ 2 ; redirector
COMMENT @
pchar -- prints a character using DOS output
@
pchar MACRO char
mov ah, 02H ; Print character
IFDIFI <char>,<dl>
mov dl, char
ENDIF
int 21H
ENDM
COMMENT @
pmsg -- prints a '$' terminated string on the default output
display (using int 21H, subfunction 9). This function is safe to use
at initialize time.
Arguments:
message starting offset of message to be printed
or dx if offset is in dx.
uses register ah, dx
@
pmsg MACRO message
mov dx, DVR:message
call print_msg
ENDM
block_driver STRUC ; Template of main block driver
db TYPE device_header DUP (?) ; Device driver header
o_fingerprint db DEVICE_NAME_SIZE DUP (?) ; Driver fingerprint
o_send_pack dw ? ; Send_pack entry point
o_recv_pack dw ? ; Recv_pack entry point
o_start_transaction dw ? ; Start transaction entry point
o_end_transaction dw ? ; End transaction entry point
o_send_sync dw ? ; Send Sync entry point
o_master_code dw ? ; Master driver id code
o_eboxprn_seg dw ? ; EBOXPRN.COM TSR load segment
o_default_units db ? ; Default max number of devices
o_recv_timeout dw ? ; Timeout for recv_pack
o_crc_errors dw ? ; Number of CRC errors recieved
o_initialized db ? ; Driver Initialized flag
o_max_devices db ? ; Maximum # of devices allowed
o_first_unit db ? ; First drive number
o_units db ? ; # of devices
o_slave_units db ? ; # of Block devices on slave
o_drive_mapping db MAX_DEVICES DUP (?) ; Drive mapping table
o_invalid db MAX_DEVICES DUP (?) ; Device invalid flag
o_busy_semaphore db ? ; Communications busy semaphore
o_port_address dw ?
o_bios_port_num db ?
o_is_serial db ?
block_driver ENDS
auxiliary_driver STRUC ; Template of auxiliary driver
db TYPE device_header DUP (?) ; Device driver header
db DEVICE_NAME_SIZE DUP (?) ; Driver fingerprint
db DEVICE_NAME_SIZE DUP (?) ; Driver signature
o_remote_name db DEVICE_NAME_SIZE DUP (?) ; Remote device name
o_aux_code dw ? ; Master arbitrary id code
o_replacement db ? ; Replacement driver flag
o_aux_mode db ? ; Current Mode of operation
o_aux_initialized db ? ; Driver initialized flag
o_id_code db ? ; Identification code
auxiliary_driver ENDS
redirector_tsr STRUC ; Template of the BIOS redirector
db STACK_SIZE + 5CH DUP (?) ; Room for PSP & STACK
o_tsr_fingerprint db DEVICE_NAME_SIZE DUP (?) ; TSR Fingerprint
o_tsr_signature db DEVICE_NAME_SIZE DUP (?) ; TSR Signature
o_tsr_mode db ? ; Current operating mode
o_port_map db MAX_PRINTERS DUP (?) ; Redirection port map
o_side db ? ; 0 Local/!0 remote printing
redirector_tsr ENDS
MAX_SERIAL_PORTS EQU 4
MAX_PARALLEL_PORTS EQU 4
MAX_SERIAL_BLOCK EQU 8192
BAUD_1200 EQU 0
BAUD_2400 EQU 1
BAUD_4800 EQU 2
BAUD_9600 EQU 3
BAUD_19200 EQU 4
BAUD_38400 EQU 5
BAUD_57600 EQU 6
BAUD_115200 EQU 7
SERIAL_PORT_DEF STRUC
sp_address dw ?
sp_biosnum db ?
irqnum db ? ; IRQ number for serial ports
maxbaud dw ? ; Maximum baud rate for serial ports
SERIAL_PORT_DEF ENDS
PARALLEL_PORT_DEF STRUC
pp_address dw ?
pp_biosnum db ?
PARALLEL_PORT_DEF ENDS
Win386_Startup_Info_Struc STRUC
SIS_Version db 3, 0
SIS_Next_Dev_Ptr dd 0
SIS_Virt_Dev_File_Ptr dd Virt_Dev_File
SIS_Reference_Data dd 0
SIS_Instance_Data_Ptr dd 0
Win386_Startup_Info_Struc ENDS
?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -