2011-10-14 23:38:50 +02:00
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2007. 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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iglobal
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;function pointers.
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fdc_irq_func dd fdc_null
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endg
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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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fdc_irq:
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call [fdc_irq_func]
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fdc_null:
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ret
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save_image:
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call reserve_flp
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call restorefatchain
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pusha
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call check_label
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cmp [FDC_Status], 0
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jne unnecessary_save_image
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mov [FDD_Track], 0; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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mov [FDD_Head], 0; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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mov [FDD_Sector], 1; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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mov esi, RAMDISK
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call SeekTrack
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save_image_1:
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push esi
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call take_data_from_application_1
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pop esi
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add esi, 512
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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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mov [fdc_irq_func], fdc_null
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popa
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mov [flp_status], 0
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ret
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