| 0,0 → 1,76 |
|---|
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;; ;; |
| ;; Copyright (C) KolibriOS team 2008. All rights reserved. ;; |
| ;; Distributed under terms of the GNU General Public License ;; |
| ;; ;; |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| |
| ; Detect all BIOS hard drives. |
| ; diamond, 2008 |
| |
| xor cx, cx |
| mov es, cx |
| mov di, 0x9080 |
| mov byte [es:di-1], cl |
| cmp [preboot_biosdisk], 1 |
| jnz bdde |
| mov dl, 80h |
| bdds: |
| mov ah, 15h |
| push cx dx di |
| int 13h |
| pop di dx cx |
| jc bddc |
| test ah, ah |
| jz bddc |
| inc cx |
| mov ah, 48h |
| push ds |
| push es |
| pop ds |
| mov si, 0xA000 |
| mov word [si], 1Eh |
| mov ah, 48h |
| int 13h |
| pop ds |
| jc bddc2 |
| inc byte [es:0x907F] |
| cmp word [es:si], 1Eh |
| jb bddl |
| cmp word [es:si+1Ah], 0xFFFF |
| jz bddl |
| mov al, dl |
| stosb |
| push ds |
| lds si, [es:si+1Ah] |
| mov al, [si+6] |
| and al, 0xF |
| stosb |
| mov al, byte [si+4] |
| shr al, 4 |
| and ax, 1 |
| cmp word [si], 1F0h |
| jz @f |
| inc ax |
| inc ax |
| cmp word [si], 170h |
| jz @f |
| mov ax, -1 |
| @@: |
| stosw |
| pop ds |
| jmp bddc2 |
| bddl: |
| mov al, dl |
| stosb |
| mov al, 0 |
| stosb |
| mov ax, -1 |
| stosw |
| bddc2: |
| cmp cl, [es:0x475] |
| jae bdde |
| bddc: |
| inc dl |
| jnz bdds |
| bdde: |