1344 lines
30 KiB
NASM
1344 lines
30 KiB
NASM
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[BITS 16]
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[ORG 0x0100]
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section .text
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start:
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mov di,disk
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call detectdisk
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mov si,di
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mov di,thedrive
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call getalldriveinfos
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mov [numbers],cx
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mov al,3
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mov word [sel],0
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main:
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call cls
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mov si,thedrive
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call showalldriveinfos
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call selection
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waitafter:
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call waitkey
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call lower
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cmp ah,0x50
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jne tre1
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mov ax,[sel]
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inc al
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cmp ax,[numbers]
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jz waitafter
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mov [sel],ax
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add al,3
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call selection
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jmp waitafter
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tre1:
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cmp ah,0x48
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jne tre2
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mov ax,[sel]
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cmp ax,0
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jz waitafter
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dec al
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mov [sel],ax
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add al,3
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call selection
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jmp waitafter
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tre2:
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cmp al,0x0D
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jne tre3
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mov bx,[sel]
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shl bx,4
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add bx,thedrive
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mov bp,[bx]
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call initdisk
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mov di,thepart
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call IsMbr
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je okmbr2
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call getvolume
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mov cx,1
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jmp nombr2
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okmbr2:
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call getpartitions
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nombr2:
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call cls
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mov si,di
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call showdriveinfos
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call waitkey
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call lower
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mov al,[cs:old]
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jmp main
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tre3:
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cmp al,'i'
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jne tre4
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mov bx,[sel]
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shl bx,4
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add bx,thedrive
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mov bp,[bx]
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call initdisk
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mov al,[cs:old]
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cmp byte [bx+1],1
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je noerase
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mov si,erasing
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call showstr
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call choice
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jnz near main
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noerase:
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cmp byte [bx+2],1
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jne noreinst
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mov si,remplacing
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call showstr
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call choice
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jnz near main
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noreinst:
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cmp byte [bx+3],0
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jne nolbas
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cmp dword [bx+4],8300
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jb nolbas
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mov si,nowereLBA
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call showstr
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call choice
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jnz near main
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nolbas:
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mov si,really
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call showstr
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call choice
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jnz near main
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call install
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mov si,installed
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call showstr
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mov si,disk
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mov di,thedrive
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call getalldriveinfos
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push ax
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call waitkey
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pop ax
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jmp main
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tre4:
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cmp al,0x1B
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jne tre5
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call cls
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ret
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tre5:
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cmp al,'u'
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jne tre6
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mov bx,[sel]
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shl bx,4
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add bx,thedrive
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mov bp,[bx]
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mov al,[cs:old]
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cmp byte [bx+2],1
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je letsgo
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mov si,noinst
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call showstr
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push ax
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call waitkey
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pop ax
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jmp main
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letsgo:
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mov si,uninst
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call showstr
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call choice
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jnz near main
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call uninstall
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mov si,uninstalled
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call showstr
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mov si,disk
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mov di,thedrive
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call getalldriveinfos
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push ax
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call waitkey
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pop ax
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jmp main
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tre6:
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cmp al,'r'
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jne near waitafter
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call reboot
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;=============================================================================
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; DONNEES FIXES
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;=============================================================================
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msg2 db "<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ"
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db "<22> Volume <20> Type <20> Installed <20> LBA <20> Size MByte <20> Partitions <20>"
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db "<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ",0
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tab2 db "<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>"
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db "[ENTER] informations [ESC] quit [R] reboot [I] install MBROL [U] uninstall MBROL",0
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noinst db 0x0A,0x0D,"MBROL is not yet installed, press a key...",0
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really db 0x0A,0x0D,"Do you really want to install MBROL ?",0
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erasing db 0x0A,0x0D,"Mbrol need a partionned disk, on this disk data will be erased, do it ?",0
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remplacing db 0x0A,0x0D,"Mbrol is already installed, do you want to replace old installation ?",0
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nowereLBA db 0x0A,0x0D,"BIOS or this drive don''t support LBA and it necessite LBA adressing, install ?",0
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installed db 0x0A,0x0D,"MBROL is installed, press a key to continue...",0
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uninstalled db 0x0A,0x0D,"MBROL is uninstalled, press a key to continue...",0
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uninst db 0x0A,0x0D,"Do you really want to uninstall MBROL ?",0
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processing db 0x0A,0x0D,"Processing",0
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floppy db "Floppy Disk",0
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hard db "Hard Disk",0
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boot db " Boot ",0
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mbr db " Mbr ",0
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yes1 db " Yes ",0
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no1 db " No ",0
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yes2 db " Yes ",0
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no2 db " No ",0
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choiced db 0x0A,0x0D,"[y/n]:",0
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msg db "<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ"
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db "<22> Name <20> Type <20> Boot <20> Statut <20> Size MByte <20> StartSector <20>"
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db "<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ",0
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tab db "<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>"
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db "Press any key to close...",0
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sep db " <20> ",0
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partkind db 0x01,"FAT12 ",0
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db 0x04,"FAT16 ",0
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db 0x05,"Extended ",0
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db 0x06,"FAT16B ",0
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db 0x07,"IFS ",0
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db 0x0B,"FAT32 ",0
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db 0x0C,"FAT32X ",0
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db 0x0E,"FAT16X ",0
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db 0x0F,"ExtendedX ",0
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db 0x81,"Linux 1.4b",0
|
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db 0x82,"Linux SWAP",0
|
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db 0x83,"Linux EXT2",0
|
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db 0x11,"FAT12 Hid ",0
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db 0x14,"FAT16 Hid",0
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db 0x16,"FAT16B Hid",0
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db 0x17,"IFS Hid ",0
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db 0x1B,"FAT32 Hid ",0
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db 0x1C,"FAT32X Hid",0
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db 0x1E,"FAT16X Hid",0
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db 0xFF,"Unknowed ",0
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noname db "Unknowed ","Unkowned ",0
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unknowed db "Movable ",0
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primary db "Primary ",0
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secondary db "Secondary",0
|
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yes db "Yes ",0
|
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no db "No ",0
|
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mo db " MB",0
|
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|
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;=============================================================================
|
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|
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|
|||
|
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; ROUTINES PARTICULIERES
|
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|
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|
|||
|
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;=============================================================================
|
|||
|
|
;converti al en lowercase
|
|||
|
|
lower:
|
|||
|
|
cmp al,'A'
|
|||
|
|
jb noupper
|
|||
|
|
cmp al,'Z'
|
|||
|
|
ja noupper
|
|||
|
|
add al,'a'-'A'
|
|||
|
|
noupper:
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;redemarrage <20> chaud
|
|||
|
|
reboot:
|
|||
|
|
mov ax,0x40
|
|||
|
|
mov ds,ax
|
|||
|
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mov bx,0x1234
|
|||
|
|
mov [ds:0x0072],bx
|
|||
|
|
jmp 0xFFFF:0x0000
|
|||
|
|
|
|||
|
|
;Dialogue qui demande si Yes or No et Renvoie zero si YES et
|
|||
|
|
choice:
|
|||
|
|
push ax
|
|||
|
|
push si
|
|||
|
|
mov si,choiced
|
|||
|
|
call showstr
|
|||
|
|
waiter:
|
|||
|
|
call waitkey
|
|||
|
|
call lower
|
|||
|
|
cmp al,'y'
|
|||
|
|
je iyes
|
|||
|
|
cmp al,'n'
|
|||
|
|
je ino
|
|||
|
|
jmp waiter
|
|||
|
|
iyes:
|
|||
|
|
call showchar
|
|||
|
|
cmp al,al
|
|||
|
|
jmp endof
|
|||
|
|
ino:
|
|||
|
|
call showchar
|
|||
|
|
cmp al,' '
|
|||
|
|
jmp endof
|
|||
|
|
endof:
|
|||
|
|
pop si
|
|||
|
|
pop ax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;install MBROL sur le disque BP
|
|||
|
|
install:
|
|||
|
|
push ax
|
|||
|
|
push ecx
|
|||
|
|
push si
|
|||
|
|
push di
|
|||
|
|
mov si,processing
|
|||
|
|
call showstr
|
|||
|
|
call initdisk
|
|||
|
|
mov ecx,0
|
|||
|
|
mov di,buffer
|
|||
|
|
call readsector
|
|||
|
|
inc ecx
|
|||
|
|
mov si,di
|
|||
|
|
cmp dword [di+2],"MBRO"
|
|||
|
|
je nosave
|
|||
|
|
call writesector
|
|||
|
|
nosave:
|
|||
|
|
add si,0x01BE
|
|||
|
|
mov di,prog+0x01BE
|
|||
|
|
mov cx,16*4/4
|
|||
|
|
cld
|
|||
|
|
rep movsd
|
|||
|
|
mov ecx,0
|
|||
|
|
mov si,prog
|
|||
|
|
call writesector
|
|||
|
|
inc ecx
|
|||
|
|
copying:
|
|||
|
|
inc ecx
|
|||
|
|
add si,512
|
|||
|
|
call writesector
|
|||
|
|
mov al,'.'
|
|||
|
|
call showchar
|
|||
|
|
cmp ecx,7
|
|||
|
|
jb copying
|
|||
|
|
pop di
|
|||
|
|
pop si
|
|||
|
|
pop ecx
|
|||
|
|
pop ax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;desinstalle MBROL sur le disque BP
|
|||
|
|
uninstall:
|
|||
|
|
push ecx
|
|||
|
|
push si
|
|||
|
|
push di
|
|||
|
|
call initdisk
|
|||
|
|
mov ecx,1
|
|||
|
|
mov di,buffer
|
|||
|
|
call readsector
|
|||
|
|
dec ecx
|
|||
|
|
mov si,di
|
|||
|
|
call writesector
|
|||
|
|
pop di
|
|||
|
|
pop si
|
|||
|
|
pop ecx
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;Affiche des infos sur le volume
|
|||
|
|
showalldriveinfos:
|
|||
|
|
push ax
|
|||
|
|
push bx
|
|||
|
|
push cx
|
|||
|
|
push edx
|
|||
|
|
push si
|
|||
|
|
mov si,msg2
|
|||
|
|
call showstr
|
|||
|
|
mov bx,thedrive
|
|||
|
|
mov cx,[numbers]
|
|||
|
|
showall:
|
|||
|
|
mov al,'<27>'
|
|||
|
|
call showchar
|
|||
|
|
mov al,' '
|
|||
|
|
call showchar
|
|||
|
|
mov al,[bx]
|
|||
|
|
mov si,floppy
|
|||
|
|
cmp al,0x80
|
|||
|
|
jb disks
|
|||
|
|
mov si,hard
|
|||
|
|
disks:
|
|||
|
|
call showstr
|
|||
|
|
and al,0xF
|
|||
|
|
push ax
|
|||
|
|
mov al,' '
|
|||
|
|
call showchar
|
|||
|
|
mov al,'0'
|
|||
|
|
call showchar
|
|||
|
|
pop ax
|
|||
|
|
add al,'0'
|
|||
|
|
call showchar
|
|||
|
|
mov si,sep
|
|||
|
|
call showstr
|
|||
|
|
mov si,boot
|
|||
|
|
cmp byte [bx+1],1
|
|||
|
|
jne booter
|
|||
|
|
mov si,mbr
|
|||
|
|
booter:
|
|||
|
|
call showstr
|
|||
|
|
mov si,sep
|
|||
|
|
call showstr
|
|||
|
|
mov si,no1
|
|||
|
|
cmp byte [bx+2],1
|
|||
|
|
jne noinsts
|
|||
|
|
mov si,yes1
|
|||
|
|
noinsts:
|
|||
|
|
call showstr
|
|||
|
|
mov si,sep
|
|||
|
|
call showstr
|
|||
|
|
mov si,no2
|
|||
|
|
cmp byte [bx+3],1
|
|||
|
|
jne lbas
|
|||
|
|
mov si,yes2
|
|||
|
|
lbas:
|
|||
|
|
call showstr
|
|||
|
|
mov si,sep
|
|||
|
|
call showstr
|
|||
|
|
mov edx,[bx+4]
|
|||
|
|
call showint
|
|||
|
|
mov si,mo
|
|||
|
|
call showstr
|
|||
|
|
mov si,sep
|
|||
|
|
call showstr
|
|||
|
|
mov dx,[bx+8]
|
|||
|
|
call showint
|
|||
|
|
mov al,' '
|
|||
|
|
call showchar
|
|||
|
|
mov al,'<27>'
|
|||
|
|
call showchar
|
|||
|
|
add bx,16
|
|||
|
|
dec cx
|
|||
|
|
jnz near showall
|
|||
|
|
mov si,tab2
|
|||
|
|
call showstr
|
|||
|
|
pop di
|
|||
|
|
pop edx
|
|||
|
|
pop cx
|
|||
|
|
pop bx
|
|||
|
|
pop ax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;renvoie en ES:DI les infos sur les disques DS:SI et Nb dans CX
|
|||
|
|
getalldriveinfos:
|
|||
|
|
push ax
|
|||
|
|
push bx
|
|||
|
|
push dx
|
|||
|
|
push si
|
|||
|
|
push di
|
|||
|
|
push bp
|
|||
|
|
xor bx,bx
|
|||
|
|
xor cx,cx
|
|||
|
|
show2:
|
|||
|
|
xor dh,dh
|
|||
|
|
mov dl,[si]
|
|||
|
|
inc si
|
|||
|
|
cmp dl,0xFF
|
|||
|
|
je endofshow2
|
|||
|
|
inc cx
|
|||
|
|
mov bp,dx
|
|||
|
|
call initdisk
|
|||
|
|
mov [es:di],dl
|
|||
|
|
call IsMbr
|
|||
|
|
sete [es:di+1]
|
|||
|
|
call IsInstalled
|
|||
|
|
sete [es:di+2]
|
|||
|
|
call IsLBA
|
|||
|
|
setnc [es:di+3]
|
|||
|
|
push cx
|
|||
|
|
call getcapacity
|
|||
|
|
mov [es:di+4],ecx
|
|||
|
|
mov cx,1
|
|||
|
|
cmp byte [si-1],0x80
|
|||
|
|
jb noone
|
|||
|
|
push es
|
|||
|
|
push di
|
|||
|
|
push cs
|
|||
|
|
pop es
|
|||
|
|
mov di,dummys
|
|||
|
|
call getpartitions
|
|||
|
|
pop di
|
|||
|
|
pop es
|
|||
|
|
noone:
|
|||
|
|
mov [es:di+8],cx
|
|||
|
|
add di,16
|
|||
|
|
pop cx
|
|||
|
|
jmp show2
|
|||
|
|
endofshow2:
|
|||
|
|
pop bp
|
|||
|
|
pop di
|
|||
|
|
pop si
|
|||
|
|
pop dx
|
|||
|
|
pop bx
|
|||
|
|
pop ax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;===========ISInstalled==============
|
|||
|
|
;Zero si Mbr sur le premier secteur du support BP
|
|||
|
|
;-> BP
|
|||
|
|
;<-
|
|||
|
|
;====================================
|
|||
|
|
IsInstalled:
|
|||
|
|
push ax
|
|||
|
|
push ecx
|
|||
|
|
push di
|
|||
|
|
push es
|
|||
|
|
mov ecx,0
|
|||
|
|
mov di,buffer
|
|||
|
|
push cs
|
|||
|
|
pop es
|
|||
|
|
call readsector
|
|||
|
|
cmp dword [di+2],"MBRO"
|
|||
|
|
pop es
|
|||
|
|
pop di
|
|||
|
|
pop ecx
|
|||
|
|
pop ax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;Affiche des infos sur le volume
|
|||
|
|
showdriveinfos:
|
|||
|
|
push ax
|
|||
|
|
push bx
|
|||
|
|
push cx
|
|||
|
|
push edx
|
|||
|
|
push si
|
|||
|
|
mov si,msg
|
|||
|
|
call showstr
|
|||
|
|
mov bx,thepart
|
|||
|
|
showall2:
|
|||
|
|
mov al,'<27>'
|
|||
|
|
call showchar
|
|||
|
|
mov al,' '
|
|||
|
|
call showchar
|
|||
|
|
mov al,'-'
|
|||
|
|
call showchar
|
|||
|
|
mov al,'>'
|
|||
|
|
call showchar
|
|||
|
|
mov si,bx
|
|||
|
|
add si,28
|
|||
|
|
call showstr
|
|||
|
|
mov si,sep
|
|||
|
|
call showstr
|
|||
|
|
mov al,[bx+4]
|
|||
|
|
cmp al,0xFF
|
|||
|
|
je useboot
|
|||
|
|
mov si,partkind+1
|
|||
|
|
search:
|
|||
|
|
cmp byte [si-1],0xFF
|
|||
|
|
je notboot
|
|||
|
|
cmp [si-1],al
|
|||
|
|
je notboot
|
|||
|
|
add si,12
|
|||
|
|
jmp search
|
|||
|
|
useboot:
|
|||
|
|
mov si,bx
|
|||
|
|
add si,40
|
|||
|
|
notboot:
|
|||
|
|
call showstr
|
|||
|
|
mov si,sep
|
|||
|
|
call showstr
|
|||
|
|
mov si,yes
|
|||
|
|
cmp byte [bx],0x80
|
|||
|
|
je okboot
|
|||
|
|
mov si,no
|
|||
|
|
okboot:
|
|||
|
|
call showstr
|
|||
|
|
mov si,sep
|
|||
|
|
call showstr
|
|||
|
|
mov si,primary
|
|||
|
|
cmp dword [bx+16],0
|
|||
|
|
je okprimary
|
|||
|
|
mov si,secondary
|
|||
|
|
okprimary:
|
|||
|
|
cmp byte [bx+4],0xFF
|
|||
|
|
jne wasno
|
|||
|
|
mov si,unknowed
|
|||
|
|
wasno:
|
|||
|
|
call showstr
|
|||
|
|
mov si,sep
|
|||
|
|
call showstr
|
|||
|
|
mov edx,[bx+12]
|
|||
|
|
shr edx,11
|
|||
|
|
call showint
|
|||
|
|
mov si,mo
|
|||
|
|
call showstr
|
|||
|
|
mov si,sep
|
|||
|
|
call showstr
|
|||
|
|
mov edx,[bx+22]
|
|||
|
|
call showint
|
|||
|
|
mov al,' '
|
|||
|
|
call showchar
|
|||
|
|
mov al,'<27>'
|
|||
|
|
call showchar
|
|||
|
|
add bx,64
|
|||
|
|
dec cx
|
|||
|
|
jnz near showall2
|
|||
|
|
mov si,tab
|
|||
|
|
call showstr
|
|||
|
|
pop si
|
|||
|
|
pop edx
|
|||
|
|
pop cx
|
|||
|
|
pop bx
|
|||
|
|
pop ax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;met en surlign<67>e la ligne al et seulement al
|
|||
|
|
selection:
|
|||
|
|
push cx
|
|||
|
|
mov ch,0x70
|
|||
|
|
call selectline
|
|||
|
|
xchg al,[cs:old]
|
|||
|
|
cmp al,[cs:old]
|
|||
|
|
je nochange
|
|||
|
|
mov ch,0x07
|
|||
|
|
call selectline
|
|||
|
|
nochange:
|
|||
|
|
pop cx
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
old db 20
|
|||
|
|
|
|||
|
|
;selectionne la ligne al de couleur ch
|
|||
|
|
selectline:
|
|||
|
|
push ax
|
|||
|
|
push bx
|
|||
|
|
push cx
|
|||
|
|
push ds
|
|||
|
|
mov bh,160
|
|||
|
|
mul bh
|
|||
|
|
mov bx,ax
|
|||
|
|
mov ax,0xb800
|
|||
|
|
mov ds,ax
|
|||
|
|
inc bx
|
|||
|
|
mov cl,80
|
|||
|
|
select:
|
|||
|
|
mov [bx],ch
|
|||
|
|
add bx,2
|
|||
|
|
dec cl
|
|||
|
|
jnz select
|
|||
|
|
pop ds
|
|||
|
|
pop cx
|
|||
|
|
pop bx
|
|||
|
|
pop ax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;=============================================================================
|
|||
|
|
|
|||
|
|
; ROUTINES UNIVERSELLES INSPIREE DE COS2000
|
|||
|
|
|
|||
|
|
;=============================================================================
|
|||
|
|
|
|||
|
|
;============Getcapacity=============
|
|||
|
|
;Renvoie la capacit<69> du disque Bp dans ECX
|
|||
|
|
;-> BP
|
|||
|
|
;<-
|
|||
|
|
;====================================
|
|||
|
|
getcapacity:
|
|||
|
|
mov ecx,0
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;===============IsLBA================
|
|||
|
|
;Renvoie zero = 1 si LBA
|
|||
|
|
;-> BP
|
|||
|
|
;<-
|
|||
|
|
;====================================
|
|||
|
|
IsLBA:
|
|||
|
|
push ax
|
|||
|
|
push bx
|
|||
|
|
push cx
|
|||
|
|
push dx
|
|||
|
|
mov dx,bp
|
|||
|
|
mov ah,0x41
|
|||
|
|
mov bx,0x55AA
|
|||
|
|
int 0x13
|
|||
|
|
pop dx
|
|||
|
|
pop cx
|
|||
|
|
pop bx
|
|||
|
|
pop ax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;=========GETDRIVEINFOS==============
|
|||
|
|
;Envoie en es:di les lecteurs logiques sur les volumes point<6E> par ds:si
|
|||
|
|
;-> BP, ES:DI
|
|||
|
|
;<- CX leur nombre
|
|||
|
|
;====================================
|
|||
|
|
getdriveinfos:
|
|||
|
|
push ax
|
|||
|
|
push bx
|
|||
|
|
push dx
|
|||
|
|
push si
|
|||
|
|
push di
|
|||
|
|
push bp
|
|||
|
|
push di
|
|||
|
|
xor bx,bx
|
|||
|
|
show:
|
|||
|
|
xor dh,dh
|
|||
|
|
mov dl,[si]
|
|||
|
|
inc si
|
|||
|
|
cmp dl,0xFF
|
|||
|
|
je endofshow
|
|||
|
|
mov bp,dx
|
|||
|
|
call initdisk
|
|||
|
|
call IsMbr
|
|||
|
|
je okmbr
|
|||
|
|
call getvolume
|
|||
|
|
inc bx
|
|||
|
|
add di,64
|
|||
|
|
jmp show
|
|||
|
|
okmbr:
|
|||
|
|
call getpartitions
|
|||
|
|
mov ax,cx
|
|||
|
|
shl ax,6
|
|||
|
|
add di,ax
|
|||
|
|
add bx,cx
|
|||
|
|
jmp show
|
|||
|
|
endofshow:
|
|||
|
|
pop si
|
|||
|
|
mov al,'C'
|
|||
|
|
mov cx,bx
|
|||
|
|
push cx
|
|||
|
|
push si
|
|||
|
|
checkp:
|
|||
|
|
cmp byte [si+4],5
|
|||
|
|
je notprim
|
|||
|
|
cmp byte [si+4],0x0F
|
|||
|
|
je notprim
|
|||
|
|
cmp byte [si+16],0
|
|||
|
|
jnz notprim
|
|||
|
|
cmp byte [si+26],0x80
|
|||
|
|
jb notprim
|
|||
|
|
mov [si+51],al
|
|||
|
|
inc al
|
|||
|
|
notprim:
|
|||
|
|
add si,64
|
|||
|
|
dec cx
|
|||
|
|
jnz checkp
|
|||
|
|
pop si
|
|||
|
|
pop cx
|
|||
|
|
push cx
|
|||
|
|
push si
|
|||
|
|
checkl:
|
|||
|
|
cmp byte [si+4],5
|
|||
|
|
je notext
|
|||
|
|
cmp byte [si+4],0x0F
|
|||
|
|
je notext
|
|||
|
|
cmp byte [si+16],0x00
|
|||
|
|
jz notext
|
|||
|
|
cmp byte [si+26],0x80
|
|||
|
|
jb notext
|
|||
|
|
mov [si+51],al
|
|||
|
|
inc al
|
|||
|
|
notext:
|
|||
|
|
add si,64
|
|||
|
|
dec cx
|
|||
|
|
jnz checkl
|
|||
|
|
pop si
|
|||
|
|
pop cx
|
|||
|
|
mov al,'A'
|
|||
|
|
push cx
|
|||
|
|
push si
|
|||
|
|
checkn:
|
|||
|
|
cmp byte [si+26],0x80
|
|||
|
|
jae notlec
|
|||
|
|
mov [si+51],al
|
|||
|
|
inc al
|
|||
|
|
notlec:
|
|||
|
|
add si,64
|
|||
|
|
dec cx
|
|||
|
|
jnz checkn
|
|||
|
|
pop si
|
|||
|
|
pop cx
|
|||
|
|
mov al,'*'
|
|||
|
|
push cx
|
|||
|
|
push si
|
|||
|
|
checko:
|
|||
|
|
cmp byte [si+4],5
|
|||
|
|
je ext2
|
|||
|
|
cmp byte [si+4],0x0F
|
|||
|
|
jne notext2
|
|||
|
|
ext2:
|
|||
|
|
mov [si+51],al
|
|||
|
|
notext2:
|
|||
|
|
add si,64
|
|||
|
|
dec cx
|
|||
|
|
jnz checko
|
|||
|
|
pop si
|
|||
|
|
pop cx
|
|||
|
|
pop bp
|
|||
|
|
pop di
|
|||
|
|
pop si
|
|||
|
|
pop dx
|
|||
|
|
pop bx
|
|||
|
|
pop ax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;=============GETVOLUME==============
|
|||
|
|
;Envoie en es:di les infos disque EBP
|
|||
|
|
;-> BP, ES:DI
|
|||
|
|
;<-
|
|||
|
|
;====================================
|
|||
|
|
getvolume:
|
|||
|
|
push ax
|
|||
|
|
push ecx
|
|||
|
|
push edx
|
|||
|
|
push di
|
|||
|
|
push di
|
|||
|
|
mov cx,64
|
|||
|
|
mov al,0
|
|||
|
|
cld
|
|||
|
|
rep stosb
|
|||
|
|
pop di
|
|||
|
|
mov byte [es:di+4],0xFF
|
|||
|
|
mov ecx,0
|
|||
|
|
mov [di+26],bp
|
|||
|
|
push di
|
|||
|
|
add di,28
|
|||
|
|
call getbootinfos
|
|||
|
|
pop di
|
|||
|
|
mov [di+12],edx
|
|||
|
|
pop di
|
|||
|
|
pop edx
|
|||
|
|
pop ecx
|
|||
|
|
pop ax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;==========GETBOOTINFOS==============
|
|||
|
|
;Envoie en es:di le nom du volume & le FS d'adresse LBA ECX sur disque EBP
|
|||
|
|
;-> BP, ES:DI, ECX
|
|||
|
|
;<-
|
|||
|
|
;====================================
|
|||
|
|
getbootinfos:
|
|||
|
|
push ax
|
|||
|
|
push cx
|
|||
|
|
push si
|
|||
|
|
push di
|
|||
|
|
push di
|
|||
|
|
push es
|
|||
|
|
push cs
|
|||
|
|
pop es
|
|||
|
|
mov di,buffer
|
|||
|
|
mov si,di
|
|||
|
|
call readsector
|
|||
|
|
pop es
|
|||
|
|
pop di
|
|||
|
|
cmp byte [si+0x13],0
|
|||
|
|
je more32
|
|||
|
|
xor edx,edx
|
|||
|
|
mov dx,[si+0x13]
|
|||
|
|
jmp more16
|
|||
|
|
more32:
|
|||
|
|
mov edx,[si+0x20]
|
|||
|
|
more16:
|
|||
|
|
cmp byte [si+0x42],0x29
|
|||
|
|
je fat32
|
|||
|
|
cmp byte [si+0x26],0x29
|
|||
|
|
je fat16
|
|||
|
|
unk:
|
|||
|
|
mov si,noname
|
|||
|
|
jmp rel
|
|||
|
|
fat32:
|
|||
|
|
add si,0x47
|
|||
|
|
jmp rel
|
|||
|
|
fat16:
|
|||
|
|
add si,0x2B
|
|||
|
|
rel:
|
|||
|
|
mov cx,11
|
|||
|
|
cld
|
|||
|
|
rep movsb
|
|||
|
|
mov al,0
|
|||
|
|
stosb
|
|||
|
|
mov cx,8
|
|||
|
|
rep movsb
|
|||
|
|
mov ax,' '
|
|||
|
|
stosw
|
|||
|
|
mov al,0
|
|||
|
|
stosb
|
|||
|
|
pop di
|
|||
|
|
pop si
|
|||
|
|
pop cx
|
|||
|
|
pop ax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;==========GETPARTITION==============
|
|||
|
|
;Envoie en es:di la liste des partitions du disque BP
|
|||
|
|
;-> BP, ES:DI
|
|||
|
|
;<- renvoie leur nombre en CX
|
|||
|
|
;====================================
|
|||
|
|
getpartitions:
|
|||
|
|
push eax
|
|||
|
|
push ebx
|
|||
|
|
push edx
|
|||
|
|
push si
|
|||
|
|
push di
|
|||
|
|
mov ecx,0
|
|||
|
|
mov word [wheres],0
|
|||
|
|
mov [theprimary],ecx
|
|||
|
|
againpart:
|
|||
|
|
xor eax,eax
|
|||
|
|
mov ebx,ecx
|
|||
|
|
push di
|
|||
|
|
mov di,partition
|
|||
|
|
CALL readsector
|
|||
|
|
mov si, di
|
|||
|
|
pop di
|
|||
|
|
add si,0x01BE
|
|||
|
|
mov cl,4
|
|||
|
|
showevery:
|
|||
|
|
cmp dword [si+NumSector],0x00000000
|
|||
|
|
je nothings
|
|||
|
|
mov edx,[si+StartSector]
|
|||
|
|
cmp byte [si+Kind],0x05
|
|||
|
|
je is
|
|||
|
|
cmp byte [si+Kind],0x0F
|
|||
|
|
jne isnot
|
|||
|
|
is:
|
|||
|
|
mov eax,[theprimary]
|
|||
|
|
add eax,edx
|
|||
|
|
cmp dword [theprimary],0
|
|||
|
|
jne nothings
|
|||
|
|
isnot:
|
|||
|
|
push ecx
|
|||
|
|
push di
|
|||
|
|
push si
|
|||
|
|
mov cx,[wheres]
|
|||
|
|
shl cx,6
|
|||
|
|
add di,cx
|
|||
|
|
mov ecx,16/4
|
|||
|
|
rep movsd
|
|||
|
|
pop si
|
|||
|
|
mov [di],ebx
|
|||
|
|
mov [di+4],si
|
|||
|
|
sub word [di+4],partition
|
|||
|
|
mov [di+6],ebx
|
|||
|
|
add [di+6],edx
|
|||
|
|
mov ecx,[di+6]
|
|||
|
|
mov [di+10],bp
|
|||
|
|
add di,12
|
|||
|
|
push edx
|
|||
|
|
call getbootinfos
|
|||
|
|
pop edx
|
|||
|
|
pop di
|
|||
|
|
pop ecx
|
|||
|
|
inc word [wheres]
|
|||
|
|
nothings:
|
|||
|
|
add si,16
|
|||
|
|
dec cl
|
|||
|
|
jnz showevery
|
|||
|
|
mov ecx,eax
|
|||
|
|
cmp dword [theprimary],0x00000000
|
|||
|
|
jne noth
|
|||
|
|
mov [theprimary],eax
|
|||
|
|
noth:
|
|||
|
|
cmp ecx,0
|
|||
|
|
jnz near againpart
|
|||
|
|
mov cx,[wheres]
|
|||
|
|
pop di
|
|||
|
|
pop si
|
|||
|
|
pop edx
|
|||
|
|
pop ebx
|
|||
|
|
pop eax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;==============ISMBR=================
|
|||
|
|
;Zero si Mbr sur le premier secteur du support BP
|
|||
|
|
;-> BP
|
|||
|
|
;<-
|
|||
|
|
;====================================
|
|||
|
|
IsMbr:
|
|||
|
|
push ax
|
|||
|
|
push ecx
|
|||
|
|
push di
|
|||
|
|
push es
|
|||
|
|
mov ecx,0
|
|||
|
|
mov di,buffer
|
|||
|
|
push cs
|
|||
|
|
pop es
|
|||
|
|
call readsector
|
|||
|
|
add di,0x01BE
|
|||
|
|
mov cl,4
|
|||
|
|
isgood:
|
|||
|
|
mov al,[cs:di]
|
|||
|
|
and al,0x7F
|
|||
|
|
cmp al,0
|
|||
|
|
jne noMbr
|
|||
|
|
add di,16
|
|||
|
|
dec cl
|
|||
|
|
jne isgood
|
|||
|
|
cmp word [cs:di],0xAA55
|
|||
|
|
noMbr:
|
|||
|
|
pop es
|
|||
|
|
pop di
|
|||
|
|
pop ecx
|
|||
|
|
pop ax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;=============DETECTDISK=============
|
|||
|
|
;Renvoie en ES:DI les disques d<>tect<63>s fini par 0FFh
|
|||
|
|
;-> ES:DI
|
|||
|
|
;<-
|
|||
|
|
;====================================
|
|||
|
|
detectdisk:
|
|||
|
|
push ax
|
|||
|
|
push bx
|
|||
|
|
push cx
|
|||
|
|
push dx
|
|||
|
|
push si
|
|||
|
|
push di
|
|||
|
|
mov si,PossibleDisks
|
|||
|
|
DetectAllDisk:
|
|||
|
|
mov dl,[cs:si]
|
|||
|
|
inc si
|
|||
|
|
cmp dl,0xFF
|
|||
|
|
je EndOfDetection
|
|||
|
|
mov cl,4
|
|||
|
|
retry:
|
|||
|
|
push cx
|
|||
|
|
mov ax,0x0201
|
|||
|
|
mov cx,0x0101
|
|||
|
|
mov dh,0x00
|
|||
|
|
mov bx,buffer
|
|||
|
|
int 0x13
|
|||
|
|
pop cx
|
|||
|
|
jnc isdetected
|
|||
|
|
dec cl
|
|||
|
|
jnz retry
|
|||
|
|
jmp DetectAllDisk
|
|||
|
|
isdetected:
|
|||
|
|
mov [es:di],dl
|
|||
|
|
inc di
|
|||
|
|
jmp DetectAllDisk
|
|||
|
|
EndOfDetection:
|
|||
|
|
mov byte [di],0xFF
|
|||
|
|
pop di
|
|||
|
|
pop si
|
|||
|
|
pop dx
|
|||
|
|
pop cx
|
|||
|
|
pop bx
|
|||
|
|
pop ax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
PossibleDisks db 0x00,0x01,0x02,0x03,0x04,0x05,0x80,0x81,0x82,0x83,0x84,0x85,0xFF
|
|||
|
|
|
|||
|
|
;=============INITDISK===============
|
|||
|
|
;Initialise le p<>riph<70>rique BP pour une utilisation ult<6C>rieure
|
|||
|
|
;-> BP
|
|||
|
|
;<-
|
|||
|
|
;====================================
|
|||
|
|
initdisk:
|
|||
|
|
push ax
|
|||
|
|
push bx
|
|||
|
|
push cx
|
|||
|
|
push dx
|
|||
|
|
push di
|
|||
|
|
push es
|
|||
|
|
mov dx,bp
|
|||
|
|
mov ah,8
|
|||
|
|
int 0x13
|
|||
|
|
and cx,0x3F
|
|||
|
|
mov [cs:sectorspertrack],cx
|
|||
|
|
mov cl,dh
|
|||
|
|
inc cl
|
|||
|
|
mov [cs:headsperdrive],cx
|
|||
|
|
pop es
|
|||
|
|
pop di
|
|||
|
|
pop dx
|
|||
|
|
pop cx
|
|||
|
|
pop bx
|
|||
|
|
pop ax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;=============WRITESECTOR (Fonction 01H)===============
|
|||
|
|
;Ecrit le secteur ECX du disque BP depuis ds:si
|
|||
|
|
;-> AH=1
|
|||
|
|
;<- Flag Carry si erreur
|
|||
|
|
;=====================================================
|
|||
|
|
writesector:
|
|||
|
|
push ax
|
|||
|
|
push bx
|
|||
|
|
push ecx
|
|||
|
|
push dx
|
|||
|
|
push si
|
|||
|
|
push di
|
|||
|
|
mov ax,bp
|
|||
|
|
mov [cs:temp],al
|
|||
|
|
mov ax, cx
|
|||
|
|
ror ecx, 16
|
|||
|
|
mov dx, cx
|
|||
|
|
rol ecx,16
|
|||
|
|
div word [cs:sectorspertrack]
|
|||
|
|
inc dl
|
|||
|
|
mov bl, dl
|
|||
|
|
xor dx,dx
|
|||
|
|
div word [cs:headsperdrive]
|
|||
|
|
mov dh, [cs:temp]
|
|||
|
|
xchg dl, dh
|
|||
|
|
mov cx, ax
|
|||
|
|
xchg cl, ch
|
|||
|
|
shl cl, 6
|
|||
|
|
or cl, bl
|
|||
|
|
mov bx, si
|
|||
|
|
mov si, 4
|
|||
|
|
mov al, 1
|
|||
|
|
TryAgain2:
|
|||
|
|
mov ah, 3
|
|||
|
|
int 0x13
|
|||
|
|
jnc Done2
|
|||
|
|
dec si
|
|||
|
|
jnz TryAgain2
|
|||
|
|
Done2:
|
|||
|
|
pop di
|
|||
|
|
pop si
|
|||
|
|
pop dx
|
|||
|
|
pop ecx
|
|||
|
|
pop bx
|
|||
|
|
pop ax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;=============READSECTOR===============
|
|||
|
|
;Lit le secteur ECX du disque BP et le met en es:di
|
|||
|
|
;->
|
|||
|
|
;<-
|
|||
|
|
;======================================
|
|||
|
|
readsector:
|
|||
|
|
push ax
|
|||
|
|
push bx
|
|||
|
|
push ecx
|
|||
|
|
push dx
|
|||
|
|
push si
|
|||
|
|
mov ax,bp
|
|||
|
|
mov [cs:temp],al
|
|||
|
|
mov ax, cx
|
|||
|
|
ror ecx, 16
|
|||
|
|
mov dx, cx
|
|||
|
|
rol ecx,16
|
|||
|
|
cmp ecx,4128705
|
|||
|
|
ja extended
|
|||
|
|
div word [cs:sectorspertrack]
|
|||
|
|
inc dl
|
|||
|
|
mov bl, dl
|
|||
|
|
xor dx,dx
|
|||
|
|
div word [cs:headsperdrive]
|
|||
|
|
mov dh, [cs:temp]
|
|||
|
|
xchg dl, dh
|
|||
|
|
mov cx, ax
|
|||
|
|
xchg cl, ch
|
|||
|
|
shl cl, 6
|
|||
|
|
or cl, bl
|
|||
|
|
mov bx, di
|
|||
|
|
mov si, 4
|
|||
|
|
mov al, 1
|
|||
|
|
TryAgain:
|
|||
|
|
mov ah, 2
|
|||
|
|
int 0x13
|
|||
|
|
jnc Done
|
|||
|
|
dec si
|
|||
|
|
jnz TryAgain
|
|||
|
|
Done:
|
|||
|
|
pop si
|
|||
|
|
pop dx
|
|||
|
|
pop ecx
|
|||
|
|
pop bx
|
|||
|
|
pop ax
|
|||
|
|
ret
|
|||
|
|
extended:
|
|||
|
|
push di
|
|||
|
|
push ds
|
|||
|
|
push cs
|
|||
|
|
pop ds
|
|||
|
|
mov si,block
|
|||
|
|
mov byte [si+Sizes],0x10
|
|||
|
|
mov byte [si+Reserve],0x01
|
|||
|
|
mov word [si+NumSectors],0x0001
|
|||
|
|
mov [si+Adressseg],es
|
|||
|
|
mov [si+Adressoff],di
|
|||
|
|
mov [si+SectorLow],ax
|
|||
|
|
mov [si+SectorHigh],dx
|
|||
|
|
mov di,4
|
|||
|
|
mov dl,[temp]
|
|||
|
|
TryAgainX:
|
|||
|
|
mov ah, 0x42
|
|||
|
|
int 0x13
|
|||
|
|
jnc DoneX
|
|||
|
|
dec di
|
|||
|
|
jnz TryAgainX
|
|||
|
|
DoneX:
|
|||
|
|
pop ds
|
|||
|
|
pop di
|
|||
|
|
pop si
|
|||
|
|
pop dx
|
|||
|
|
pop ecx
|
|||
|
|
pop bx
|
|||
|
|
pop ax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
headsperdrive dw 16
|
|||
|
|
sectorspertrack dw 38
|
|||
|
|
block times 24 db 0
|
|||
|
|
temp db 0
|
|||
|
|
|
|||
|
|
;============CLS==============
|
|||
|
|
;Efface l'<27>cran
|
|||
|
|
;->
|
|||
|
|
;<-
|
|||
|
|
;=============================
|
|||
|
|
cls:
|
|||
|
|
push ax
|
|||
|
|
mov ax,0x0003
|
|||
|
|
int 0x10
|
|||
|
|
pop ax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;==========SHOWSTR============
|
|||
|
|
;Affiche une chaine de caract<63>re point<6E> par SI
|
|||
|
|
;-> SI pointe une chaine
|
|||
|
|
;<-
|
|||
|
|
;=============================
|
|||
|
|
showstr:
|
|||
|
|
push ax
|
|||
|
|
push bx
|
|||
|
|
push si
|
|||
|
|
cld
|
|||
|
|
again:
|
|||
|
|
lodsb
|
|||
|
|
or al,al
|
|||
|
|
jz fin
|
|||
|
|
call showchar
|
|||
|
|
jmp again
|
|||
|
|
fin:
|
|||
|
|
pop si
|
|||
|
|
pop bx
|
|||
|
|
pop ax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;==========SHOWPASSTR============
|
|||
|
|
;Affiche une chaine de caract<63>re point<6E> par SI
|
|||
|
|
;-> SI pointe une chaine
|
|||
|
|
;<-
|
|||
|
|
;=============================
|
|||
|
|
showpasstr:
|
|||
|
|
push ax
|
|||
|
|
push bx
|
|||
|
|
push cx
|
|||
|
|
push si
|
|||
|
|
mov cl,[si]
|
|||
|
|
inc si
|
|||
|
|
cld
|
|||
|
|
again2:
|
|||
|
|
lodsb
|
|||
|
|
call showchar
|
|||
|
|
dec cl
|
|||
|
|
jnz again2
|
|||
|
|
fin2:
|
|||
|
|
pop si
|
|||
|
|
pop cx
|
|||
|
|
pop bx
|
|||
|
|
pop ax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;==========WAITKEY=============
|
|||
|
|
;Attend l'appuie d'une toouche et
|
|||
|
|
;renvoie en AL la touche appuyer
|
|||
|
|
;->
|
|||
|
|
;<- AL
|
|||
|
|
;==============================
|
|||
|
|
waitkey:
|
|||
|
|
mov ax,0
|
|||
|
|
int 0x16
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;==========SHOWCHAR============
|
|||
|
|
;Affiche un caract<63>re point<6E> dans AL
|
|||
|
|
;-> AL
|
|||
|
|
;<-
|
|||
|
|
;==============================
|
|||
|
|
showchar:
|
|||
|
|
push ax
|
|||
|
|
push bx
|
|||
|
|
mov ah,0x0E
|
|||
|
|
mov bx,0x07
|
|||
|
|
int 0x10
|
|||
|
|
pop bx
|
|||
|
|
pop ax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;==========SHOWINT============
|
|||
|
|
;Affiche un entier EDX apr<70>s le curseur
|
|||
|
|
;-> EDX un entier
|
|||
|
|
;<-
|
|||
|
|
;=============================
|
|||
|
|
showint:
|
|||
|
|
push eax
|
|||
|
|
push bx
|
|||
|
|
push cx
|
|||
|
|
push edx
|
|||
|
|
push esi
|
|||
|
|
push di
|
|||
|
|
push ds
|
|||
|
|
push es
|
|||
|
|
push cs
|
|||
|
|
push cs
|
|||
|
|
pop ds
|
|||
|
|
pop es
|
|||
|
|
mov cx,10
|
|||
|
|
mov di,showbuffer
|
|||
|
|
mov al,' '
|
|||
|
|
cld
|
|||
|
|
rep stosb
|
|||
|
|
xor cx,cx
|
|||
|
|
mov eax, edx
|
|||
|
|
mov esi, 10
|
|||
|
|
mov bx,di
|
|||
|
|
mov byte [cs:di+1],0
|
|||
|
|
decint:
|
|||
|
|
xor edx,edx
|
|||
|
|
div esi
|
|||
|
|
add dl,'0'
|
|||
|
|
inc cx
|
|||
|
|
mov [cs:bx],dl
|
|||
|
|
dec bx
|
|||
|
|
cmp ax, 0
|
|||
|
|
jne decint
|
|||
|
|
showinteger:
|
|||
|
|
mov si,showbuffer
|
|||
|
|
call showstr
|
|||
|
|
pop es
|
|||
|
|
pop ds
|
|||
|
|
pop di
|
|||
|
|
pop esi
|
|||
|
|
pop edx
|
|||
|
|
pop cx
|
|||
|
|
pop bx
|
|||
|
|
pop eax
|
|||
|
|
ret
|
|||
|
|
|
|||
|
|
;=============================================================================
|
|||
|
|
|
|||
|
|
; VARIABLES INITIALISEE
|
|||
|
|
|
|||
|
|
;=============================================================================
|
|||
|
|
|
|||
|
|
sel dw 0
|
|||
|
|
wheres dw 0
|
|||
|
|
numbers dw 0
|
|||
|
|
theprimary dd 0
|
|||
|
|
prog:
|
|||
|
|
|
|||
|
|
incbin "mbr.bin"
|
|||
|
|
incbin "loader.bin"
|
|||
|
|
;=============================================================================
|
|||
|
|
|
|||
|
|
; VARIABLES NON INITIALISEE
|
|||
|
|
|
|||
|
|
;=============================================================================
|
|||
|
|
|
|||
|
|
showbuffer equ $
|
|||
|
|
disk equ $+12
|
|||
|
|
partition equ $+12+26
|
|||
|
|
buffer equ $+12+26+512
|
|||
|
|
thepart equ $+12+26+512+512
|
|||
|
|
thedrive equ $+12+26+512+512+10000
|
|||
|
|
dummys equ $+12+26+512+512+10000+10000
|
|||
|
|
|
|||
|
|
section .bss
|
|||
|
|
|
|||
|
|
%include "partition.h"
|
|||
|
|
%include "echs.h"
|
|||
|
|
|
|||
|
|
;showbuffer resb 12
|
|||
|
|
;disk resb 26
|
|||
|
|
;partition resb 512
|
|||
|
|
;buffer resb 512
|
|||
|
|
;thepart resb 10000
|
|||
|
|
;thedrive resb 10000
|
|||
|
|
;dummys resb 10000
|
|||
|
|
|