69 lines
1.9 KiB
PHP
69 lines
1.9 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;;
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;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;;
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;; Distributed under terms of the GNU General Public License ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision$
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uglobal
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dmasize db 0x0
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dmamode db 0x0
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endg
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fdc_init: ;start with clean tracks.
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mov edi, OS_BASE+0xD201
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mov al, 0
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mov ecx, 160
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rep stosb
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ret
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save_image:
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cmp [ramdisk_actual_size], FLOPPY_CAPACITY
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jnz .fail
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pusha
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mov ecx, floppy_mutex
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call mutex_lock
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mov [flp_number], bl
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call floppy_read_bootsector
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cmp [FDC_Status], 0
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jne .unnecessary_save_image
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mov [FDD_Track], 0; Цилиндр
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mov [FDD_Head], 0; Сторона
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mov [FDD_Sector], 1; Сектор
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mov esi, RAMDISK
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call SeekTrack
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.save_image_1:
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call take_data_from_application_1
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call WriteSectWithRetr
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; call WriteSector
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cmp [FDC_Status], 0
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jne .unnecessary_save_image
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inc [FDD_Sector]
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cmp [FDD_Sector], 19
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jne .save_image_1
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mov [FDD_Sector], 1
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inc [FDD_Head]
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cmp [FDD_Head], 2
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jne .save_image_1
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mov [FDD_Head], 0
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inc [FDD_Track]
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call SeekTrack
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cmp [FDD_Track], 80
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jne .save_image_1
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.unnecessary_save_image:
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cmp [FDC_Status], 0
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pushf
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mov ecx, floppy_mutex
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call mutex_unlock
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popf
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popa
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jnz .fail
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xor eax, eax
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ret
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.fail:
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movi eax, 1
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ret
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