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Regard whitespace Rev 18 → Rev 19

/kernel/trunk/blkdev/fdc.inc
1,24 → 1,6
;### fdc.inc ### Menuetos floppy stuff.
;Version 0.2: Write individual tracks. / Sync ramdisk <-> floppy
;Version 0.1: Write full ramdisk to floppy.
;£loppyright Tolle.
 
;depends on:
;restorefatchain
;memmove
;Int 6 (sys32.inc) should call fdc_irq func.
;The ramdisk should be at 0x100000
 
;Keeping track of the tracks.
iglobal
cylinder db 0
sector db 1
head db 0
 
;Memory and dma variables.
fdcmem dd 0x100000
cpymem dd 0x100000
dmamem dd 0x100000
;function pointers.
fdc_irq_func dd fdc_null
endg
 
uglobal
26,29 → 8,6
dmamode db 0x0
endg
 
iglobal
;function pointers.
fdc_irq_func dd fdc_null
fdc_pump_func dd fdc_null
endg
 
uglobal
;General stuff
fdc_st0 db 0 ;status register 0 of last resultphase.
fdc_mutex db 0 ;wait in line. (Block calling app)
fdc_callspending db 0 ;mystery sauce
fdc_settings dd 0 ;bitfield.
endg
;Bit 0 enable direct file write [yes/no]
 
fdc_set: ;ebx: fdc_settings bitfield.
mov [fdc_settings],ebx
ret
 
fdc_get: ;returns fdc_settings in ecx
mov ecx, [fdc_settings]
ret
 
fdc_init: ;start with clean tracks.
mov edi,0xD201
mov al,0
68,302 → 27,47
popa
ret
 
 
fdc_writeramdisk: ;mark all tracks as dirty.
mov edi,0xD201
mov al,1
mov ecx,160
rep stosb
jmp fdc_commitflush
fdc_commitfile: ;flush dirty tracks to floppy
test [fdc_settings],1 ;...but only if this is really wanted by the user.
je fdc_commitend
fdc_commitflush:
cmp [fdc_callspending],5
je fdc_commitend
inc [fdc_callspending]
cmp [fdc_callspending],1
je fdc_commitonce
fdc_commitend:
fdc_irq:
call [fdc_irq_func]
fdc_null:
ret
 
fdc_commitonce: ;One at a time.
.stall:
cli
cmp [fdc_mutex],0
jne .stallret
mov [fdc_mutex],1
jmp .goahead
.stallret:
sti
jmp .stall
.goahead:
sti
 
fdc_commitramdisk:
 
save_image:
call reserve_flp
call restorefatchain
;Move the bootsector to a safe place.
mov eax,0x100000
mov ebx,0xD000
mov ecx,512
call memmove
;Always write the FAT table
mov eax,0xD201
mov [eax],byte 1
inc eax
mov [eax],byte 1
 
mov [dmamode],0x4A ;read from memory to floppy.
mov [dmasize],0x1 ;read 512 bytes sectors.
mov [fdc_irq_func],fdc_commitramdisk1
call fdc_floppy_on ;start floppy A: moter starts interruptflow.
ret
fdc_commitramdisk1:
mov [fdc_irq_func],fdc_recalibrate_result
mov [fdc_pump_func],fdc_commitramdisk2
call fdc_recalibrate ;retract the head to cylinder 0, sector 1
ret
fdc_commitramdisk2:
mov[head],0 ;set variables.
mov[cylinder],0
mov [sector],1
mov[cpymem],0x102400
mov [fdc_pump_func],fdc_fullpump
call fdc_write ;fdc_write will continue interruptflow
ret
 
fdc_fullpump:
add [dmamem],512
add [sector],1
cmp [sector],19
jne .clusterwrite
sub [dmamem],9216
mov eax,[cpymem]
mov ebx,[fdcmem]
mov ecx,9216
call memmove
add [cpymem],9216
cmp [head],0
je .nocylinderchange
add [cylinder],1
.nocylinderchange:
xor [head],1
cmp [cylinder],80
jne .noendofwrite
mov[fdc_irq_func],fdc_complete
call fdc_floppy_off
call fdc_init
jmp .end
.noendofwrite:
mov [sector],1
.clusterwrite:
xor eax,eax
mov al,[cylinder]
shl eax,1
add al,[head]
add eax,0xD201
mov bl,[eax]
cmp bl,1
jne fdc_fullpump
call fdc_write
.end:
ret
 
fdc_write:
call fdc_program_dma
call fdc_seek
ret
 
fdc_seek:
mov al, 0x0f
call fdc_write_reg
mov al,[head]
shl al,2
call fdc_write_reg
mov al,[cylinder]
call fdc_write_reg
mov [fdc_irq_func],fdc_seek_result
ret
 
fdc_seek_result:
call fdc_sensei
cmp al,[cylinder]
je .succes
call fdc_seek
jmp .end
.succes:
call fdc_write_sector
.end:
ret
 
fdc_write_sector:
mov al,0x45 ;write sector command
fdc_commandphase:
call fdc_write_reg
mov al,[head]
shl al,2
call fdc_write_reg
mov al,[cylinder]
call fdc_write_reg
mov al,[head]
call fdc_write_reg
mov al,[sector]
call fdc_write_reg
mov al,2 ;Sector size (2 ~> 512 bytes)
call fdc_write_reg
mov al,18 ;last sector on track.
call fdc_write_reg
mov al,27 ;length of GAP3
call fdc_write_reg
mov al,0xFF ;data length, ignored.
call fdc_write_reg
mov [fdc_irq_func],fdc_resultphase
ret
 
fdc_resultphase:
call fdc_read_reg
mov [fdc_st0],al
mov cx,6
.readresult:
call fdc_read_reg
loop .readresult
and [fdc_st0],11000000b
cmp [fdc_st0],byte 0
jz .succes
call fdc_seek
jmp .end
.succes:
call [fdc_pump_func]
.end:
ret
 
fdc_sensei:
mov al,0x08 ;get interrupt status command
call fdc_write_reg
call fdc_read_reg ;get result in al;
and al,0x80
cmp al,0x80
je fdc_sensei ;retry
call fdc_read_reg
ret
 
fdc_program_dma:
mov al,0
out 0x0c,al ; reset the flip-flop to a known state.
mov al,6 ; mask channel 2 so we can reprogram it.
out 0x0a,al
mov al,[dmamode] ; 0x46 -> Read from floppy - 0x4A Write to floppy
out 0x0b,al
mov al,0
out 0x0c,al ; reset the flip-flop to a known state.
mov eax,[dmamem]
out 0x04,al ; set the channel 2 starting address to 0
shr eax,8
out 0x04,al
shr eax,8
out 0x81,al
mov al,0
out 0x0c, al ; reset flip-flop
mov al, 0xff ;set count (actual size -1)
out 0x5, al
mov al, [dmasize] ;(0x1ff = 511 / 0x23ff =9215)
out 0x5,al
mov al,2
out 0xa,al
ret
 
fdc_recalibrate:
mov al,0x07 ;calibrate command
call fdc_write_reg
mov al,0 ;select drive 0
call fdc_write_reg
ret
 
fdc_recalibrate_result:
mov al,0x08 ;get interrupt status command
call fdc_write_reg ;send it
call fdc_read_reg ;get command in al;
cmp al,0x80
je fdc_recalibrate_result
mov ah,al
call fdc_read_reg
cmp ah,0x70
jne .end
call fdc_recalibrate
jmp .reallyend
.end:
call [fdc_pump_func]
.reallyend:
ret
 
fdc_busy:
.command_check:
mov dx,0x3F4
in al,dx
and al,0x10
cmp al,0x10
je .command_check
ret
 
fdc_read_reg:
status_check:
mov dx,0x3F4
in al,dx
and al,0xc0
cmp al,0xc0
jne status_check
mov dx, 0x3F5
in al, dx
ret
 
fdc_write_reg:
mov bl,al
.command_check:
mov dx,0x3F4
in al,dx
and al,0x80
cmp al,0x80
jne .command_check
mov al,bl
mov dx,0x3F5
out dx,al
ret
 
fdc_floppy_off:
mov al,0xC
mov dx,0x3f2
out dx,al
ret
 
fdc_floppy_on:
mov dx,0x3f2
mov al,0x0
out dx,al
mov al,0x1C
out dx,al
mov eax,50
call delay_hs
ret
 
fdc_complete:
mov eax,0xD000
mov ebx,0x100000
mov ecx,512
call memmove
 
pusha
call check_label
cmp [FDC_Status],0
jne unnecessary_save_image
mov [FDD_Track],0 ; Öèëèíäð
mov [FDD_Head],0 ; Ñòîðîíà
mov [FDD_Sector],1 ; Ñåêòîð
mov esi,0x100000
call SeekTrack
save_image_1:
push esi
call take_data_from_application_1
pop esi
add esi,512
call WriteSectWithRetr
; call WriteSector
cmp [FDC_Status],0
jne unnecessary_save_image
inc [FDD_Sector]
cmp [FDD_Sector],19
jne save_image_1
mov [FDD_Sector],1
inc [FDD_Head]
cmp [FDD_Head],2
jne save_image_1
mov [FDD_Head],0
inc [FDD_Track]
call SeekTrack
cmp [FDD_Track],80
jne save_image_1
unnecessary_save_image:
mov [fdc_irq_func],fdc_null
mov [fdc_mutex],0
dec [fdc_callspending]
cmp [fdc_callspending],0
je .realyend
mov [fdc_mutex],1
call fdc_commitramdisk
.realyend:
popa
mov [flp_status],0
ret
 
fdc_irq:
call [fdc_irq_func]
fdc_null:
ret
/kernel/trunk/blkdev/flp_drv.inc
1,36 → 1,10
;**********************************************************
; ¥¯®á।á⢥­­ ï à ¡®â  á ª®­â஫«¥à®¬ £¨¡ª®£® ¤¨áª 
; Íåïîñðåäñòâåííàÿ ðàáîòà ñ êîíòðîëëåðîì ãèáêîãî äèñêà
;**********************************************************
; €¢â®à ¨á室­®£® ⥪áâ  Šã« ª®¢ ‚« ¤¨¬¨à ƒ¥­­ ¤ì¥¢¨ç.
; €¤ ¯â æ¨ï ¨ ¤®à ¡®âª  Mario79
fdd_read_and_write:
pusha
read_sector:
cmp eax,1
jne write_sector
call save_HTS_values
call flp_readsector
call give_back_application_data
jmp fdd_read_end
write_sector:
cmp eax,2
jne fdd_read_end
call save_HTS_values
call take_data_from_application
call flp_writesector
fdd_read_end:
popa
ret
; Àâòîð èñõîäíîãî òåêñòà Êóëàêîâ Âëàäèìèð Ãåííàäüåâè÷.
; Àäàïòàöèÿ è äîðàáîòêà Mario79
 
save_HTS_values:
mov [FDD_Sector],bl
mov [FDD_Head],bh
shr ebx,16
mov [FDD_Track],bl
mov [FDD_Type],bh
ret
 
give_back_application_data: ; ¯¥à¥á« âì ¯à¨«®¦¥­¨î
give_back_application_data: ; ïåðåñëàòü ïðèëîæåíèþ
mov edi,[3010h]
mov edi,[edi+10h]
add edi,ecx
42,7 → 16,7
rep movsd
ret
 
take_data_from_application: ; ¢§ïâì ¨§ ¯à¨«®¦¥­¨ï
take_data_from_application: ; âçÿòü èç ïðèëîæåíèÿ
mov esi,[3010h]
mov esi,[esi+10h]
add esi,ecx
54,77 → 28,36
rep movsd
ret
 
flp_initialization:
; “áâ ­®¢¨âì ­®¢ë© ®¡à ¡®â稪 ¯à¥à뢠­¨ï ƒŒ„
call SetUserInterrupts
; ‚ª«îç¨âì ¬®â®à ¤¨áª®¢®¤ 
call FDDMotorON
; ˆ­¨æ¨ «¨§¨à®¢ âì ¯¥à¥¬¥­­ë¥
; mov [FDD_Track],0
; mov [FDD_Head],0
; mov [FDD_Sector],1
; à®¢¥á⨠४ «¨¡à®¢ªã ¨ ¯®¨áª ­ã«¥¢®© ¤®à®¦ª¨
call RecalibrateFDD
call SeekTrack
ret
; Êîäû çàâåðøåíèÿ îïåðàöèè ñ êîíòðîëëåðîì (FDC_Status)
FDC_Normal equ 0 ;íîðìàëüíîå çàâåðøåíèå
FDC_TimeOut equ 1 ;îøèáêà òàéì-àóòà
FDC_DiskNotFound equ 2 ;â äèñêîâîäå íåò äèñêà
FDC_TrackNotFound equ 3 ;äîðîæêà íå íàéäåíà
FDC_SectorNotFound equ 4 ;ñåêòîð íå íàéäåí
 
flp_readsector:
call flp_initialization
; à®ç¨â âì ᥪâ®à
call ReadSectWithRetr
; call ReadSector
; cmp [FDC_Status],0
; jne @@SectorNotFound
mov [fdc_irq_func],fdc_null
; call FDDMotorOFF
ret
 
flp_writesector:
call flp_initialization
; ‡ ¯¨á âì ᥪâ®à
call WriteSectWithRetr
; call WriteSector
; cmp [FDC_Status],0
; jne @@SectorNotFound
mov [fdc_irq_func],fdc_null
; call FDDMotorOFF
ret
 
@@DiskNotFound:
ret
@@SectorNotFound:
ret
 
; Š®¤ë § ¢¥à襭¨ï ®¯¥à æ¨¨ á ª®­â஫«¥à®¬ (FDC_Status)
FDC_Normal equ 0 ;­®à¬ «ì­®¥ § ¢¥à襭¨¥
FDC_TimeOut equ 1 ;®è¨¡ª  â ©¬- ãâ 
FDC_DiskNotFound equ 2 ;¢ ¤¨áª®¢®¤¥ ­¥â ¤¨áª 
FDC_TrackNotFound equ 3 ;¤®à®¦ª  ­¥ ­ ©¤¥­ 
FDC_SectorNotFound equ 4 ;ᥪâ®à ­¥ ­ ©¤¥­
 
; Œ ªá¨¬ «ì­ë¥ §­ ç¥­¨ï ª®®à¤¨­ â ᥪâ®à  (§ ¤ ­­ë¥
; §­ ç¥­¨ï ᮮ⢥âáâ¢ãîâ ¯ à ¬¥âà ¬ áâ ­¤ àâ­®£®
; âà¥å¤î©¬®¢®£® £¨¡ª®£® ¤¨áª  ®¡ê¥¬®¬ 1,44 Œ¡)
; Ìàêñèìàëüíûå çíà÷åíèÿ êîîðäèíàò ñåêòîðà (çàäàííûå
; çíà÷åíèÿ ñîîòâåòñòâóþò ïàðàìåòðàì ñòàíäàðòíîãî
; òðåõäþéìîâîãî ãèáêîãî äèñêà îáúåìîì 1,44 Ìá)
MAX_Track equ 79
MAX_Head equ 1
MAX_Sector equ 18
 
; ‘ç¥â稪 ⨪®¢ â ©¬¥à 
; Ñ÷åò÷èê òèêîâ òàéìåðà
TickCounter dd ?
; Š®¤ § ¢¥à襭¨ï ®¯¥à æ¨¨ á ª®­â஫«¥à®¬ ƒŒ„
; Êîä çàâåðøåíèÿ îïåðàöèè ñ êîíòðîëëåðîì ÍÃÌÄ
FDC_Status DB ?
; ”« £ ¯à¥à뢠­¨ï ®â ƒŒ„
; Ôëàã ïðåðûâàíèÿ îò ÍÃÌÄ
FDD_IntFlag DB ?
; Œ®¬¥­â ­ ç «  ¯®á«¥¤­¥© ®¯¥à æ¨¨ á ƒŒ„
; Ìîìåíò íà÷àëà ïîñëåäíåé îïåðàöèè ñ ÍÃÌÄ
FDD_Time DD ?
; ®¬¥à ¤¨áª®¢®¤ 
; Íîìåð äèñêîâîäà
FDD_Type db 0
; Š®®à¤¨­ âë ᥪâ®à 
; Êîîðäèíàòû ñåêòîðà
FDD_Track DB ?
FDD_Head DB ?
FDD_Sector DB ?
 
; «®ª १ã«ìâ â  ®¯¥à æ¨¨
; Áëîê ðåçóëüòàòà îïåðàöèè
FDC_ST0 DB ?
FDC_ST1 DB ?
FDC_ST2 DB ?
132,17 → 65,17
FDC_H DB ?
FDC_R DB ?
FDC_N DB ?
; ‘ç¥â稪 ¯®¢â®à¥­¨ï ®¯¥à æ¨¨ ç⥭¨ï
; Ñ÷åò÷èê ïîâòîðåíèÿ îïåðàöèè ÷òåíèÿ
ReadRepCounter DB ?
; ‘ç¥â稪 ¯®¢â®à¥­¨ï ®¯¥à æ¨¨ ४ «¨¡à®¢ª¨
; Ñ÷åò÷èê ïîâòîðåíèÿ îïåðàöèè ðåêàëèáðîâêè
RecalRepCounter DB ?
; Ž¡« áâì ¯ ¬ï⨠¤«ï åà ­¥­¨ï ¯à®ç¨â ­­®£® ᥪâ®à 
; Îáëàñòü ïàìÿòè äëÿ õðàíåíèÿ ïðî÷èòàííîãî ñåêòîðà
;FDD_DataBuffer: times 512 db 0 ;DB 512 DUP (?)
fdd_motor_status db 0
timer_fdd_motor dd 0
 
;*************************************
;* ˆˆ–ˆ€‹ˆ‡€–ˆŸ …†ˆŒ€ „ „‹Ÿ ƒŒ„ *
;* ÈÍÈÖÈÀËÈÇÀÖÈß ÐÅÆÈÌÀ ÏÄÏ ÄËß ÍÃÌÄ *
;*************************************
Init_FDC_DMA:
pushad
172,29 → 105,29
ret
 
;***********************************
;* ‡€ˆ‘€’œ €‰’ ‚ Ž’ „€›• FDC *
;*  à ¬¥âàë: *
;* AL - ¢ë¢®¤¨¬ë© ¡ ©â. *
;* ÇÀÏÈÑÀÒÜ ÁÀÉÒ Â ÏÎÐÒ ÄÀÍÍÛÕ FDC *
;* Ïàðàìåòðû: *
;* AL - âûâîäèìûé áàéò. *
;***********************************
FDCDataOutput:
; pusha
push ax cx dx
mov AH,AL ;§ ¯®¬­¨âì ¡ ©â ¢ AH
; ‘¡à®á¨âì ¯¥à¥¬¥­­ãî á®áâ®ï­¨ï ª®­â஫«¥à 
mov AH,AL ;çàïîìíèòü áàéò â AH
; Ñáðîñèòü ïåðåìåííóþ ñîñòîÿíèÿ êîíòðîëëåðà
mov [FDC_Status],FDC_Normal
; à®¢¥à¨âì £®â®¢­®áâì ª®­â஫«¥à  ª ¯à¨¥¬ã ¤ ­­ëå
mov DX,3F4h ;(¯®àâ á®áâ®ï­¨ï FDC)
xor CX,CX ;ãáâ ­®¢¨âì áç¥â稪 â ©¬- ãâ 
; Ïðîâåðèòü ãîòîâíîñòü êîíòðîëëåðà ê ïðèåìó äàííûõ
mov DX,3F4h ;(ïîðò ñîñòîÿíèÿ FDC)
xor CX,CX ;óñòàíîâèòü ñ÷åò÷èê òàéì-àóòà
@@TestRS:
in AL,DX ;¯à®ç¨â âì ॣ¨áâà RS
and AL,0C0h ;¢ë¤¥«¨âì à §àï¤ë 6 ¨ 7
cmp AL,80h ;¯à®¢¥à¨âì à §àï¤ë 6 ¨ 7
in AL,DX ;ïðî÷èòàòü ðåãèñòð RS
and AL,0C0h ;âûäåëèòü ðàçðÿäû 6 è 7
cmp AL,80h ;ïðîâåðèòü ðàçðÿäû 6 è 7
je @@OutByteToFDC
loop @@TestRS
; Žè¨¡ª  â ©¬- ãâ 
; Îøèáêà òàéì-àóòà
mov [FDC_Status],FDC_TimeOut
jmp @@End_5
; ‚뢥á⨠¡ ©â ¢ ¯®àâ ¤ ­­ëå
; Âûâåñòè áàéò â ïîðò äàííûõ
@@OutByteToFDC:
inc DX
mov AL,AH
205,29 → 138,29
ret
 
;******************************************
;* Ž—ˆ’€’œ €‰’ ˆ‡ Ž’€ „€›• FDC *
;* à®æ¥¤ãà  ­¥ ¨¬¥¥â ¢å®¤­ëå ¯ à ¬¥â஢. *
;* ‚ë室­ë¥ ¤ ­­ë¥: *
;* AL - áç¨â ­­ë© ¡ ©â. *
;* ÏÐÎ×ÈÒÀÒÜ ÁÀÉÒ ÈÇ ÏÎÐÒÀ ÄÀÍÍÛÕ FDC *
;* Ïðîöåäóðà íå èìååò âõîäíûõ ïàðàìåòðîâ. *
;* Âûõîäíûå äàííûå: *
;* AL - ñ÷èòàííûé áàéò. *
;******************************************
FDCDataInput:
push ECX
push DX
; ‘¡à®á¨âì ¯¥à¥¬¥­­ãî á®áâ®ï­¨ï ª®­â஫«¥à 
; Ñáðîñèòü ïåðåìåííóþ ñîñòîÿíèÿ êîíòðîëëåðà
mov [FDC_Status],FDC_Normal
; à®¢¥à¨âì £®â®¢­®áâì ª®­â஫«¥à  ª ¯¥à¥¤ ç¥ ¤ ­­ëå
mov DX,3F4h ;(¯®àâ á®áâ®ï­¨ï FDC)
xor CX,CX ;ãáâ ­®¢¨âì áç¥â稪 â ©¬- ãâ 
; Ïðîâåðèòü ãîòîâíîñòü êîíòðîëëåðà ê ïåðåäà÷å äàííûõ
mov DX,3F4h ;(ïîðò ñîñòîÿíèÿ FDC)
xor CX,CX ;óñòàíîâèòü ñ÷åò÷èê òàéì-àóòà
@@TestRS_1:
in AL,DX ;¯à®ç¨â âì ॣ¨áâà RS
and AL,0C0h ;¢ë¤«¨âì à §àï¤ë 6 ¨ 7
cmp AL,0C0h ;¯à®¢¥à¨âì à §àï¤ë 6 ¨ 7
in AL,DX ;ïðî÷èòàòü ðåãèñòð RS
and AL,0C0h ;âûäëèòü ðàçðÿäû 6 è 7
cmp AL,0C0h ;ïðîâåðèòü ðàçðÿäû 6 è 7
je @@GetByteFromFDC
loop @@TestRS_1
; Žè¨¡ª  â ©¬- ãâ 
; Îøèáêà òàéì-àóòà
mov [FDC_Status],FDC_TimeOut
jmp @@End_6
; ‚¢¥á⨠¡ ©â ¨§ ¯®àâ  ¤ ­­ëå
; Ââåñòè áàéò èç ïîðòà äàííûõ
@@GetByteFromFDC:
inc DX
in AL,DX
236,24 → 169,17
ret
 
;*********************************************
;* Ž€Ž’—ˆŠ …›‚€ˆŸ Ž’ ŠŽ’Ž‹‹…€ ƒŒ„ *
;* ÎÁÐÀÁÎÒ×ÈÊ ÏÐÅÐÛÂÀÍÈß ÎÒ ÊÎÍÒÐÎËËÅÐÀ ÍÃÌÄ *
;*********************************************
FDCInterrupt:
;  §à¥è¨âì ¯à¥à뢠­¨ï
; sti
; push AX
; “áâ ­®¢¨âì ä« £ ¯à¥à뢠­¨ï
; Óñòàíîâèòü ôëàã ïðåðûâàíèÿ
mov [FDD_IntFlag],1
; ®á« âì ª®¬ ­¤ã EOI ª®­â஫«¥àã ¯à¥à뢠­¨©
; mov AL,20h
; out 20h,AL
; pop AX
ret
 
 
;******************************************
;* “‘’€Ž‚ˆ’œ Ž‚›‰ Ž€Ž’—ˆŠ …›‚€ˆ‰ *
;* ƒŒ„ *
;* ÓÑÒÀÍÎÂÈÒÜ ÍÎÂÛÉ ÎÁÐÀÁÎÒ×ÈÊ ÏÐÅÐÛÂÀÍÈÉ *
;* ÍÃÌÄ *
;******************************************
SetUserInterrupts:
mov [fdc_irq_func],FDCInterrupt
260,27 → 186,28
ret
 
;*******************************************
;* Ž†ˆ„€ˆ… …›‚€ˆŸ Ž’ ŠŽ’Ž‹‹…€ ƒŒ„ *
;* ÎÆÈÄÀÍÈÅ ÏÐÅÐÛÂÀÍÈß ÎÒ ÊÎÍÒÐÎËËÅÐÀ ÍÃÌÄ *
;*******************************************
WaitFDCInterrupt:
pusha
; ‘¡à®á¨âì ¡ ©â á®áâ®ï­¨ï ®¯¥à æ¨¨
; Ñáðîñèòü áàéò ñîñòîÿíèÿ îïåðàöèè
mov [FDC_Status],FDC_Normal
; ‘¡à®á¨âì ä« £ ¯à¥à뢠­¨ï
; Ñáðîñèòü ôëàã ïðåðûâàíèÿ
mov [FDD_IntFlag],0
; Ž¡­ã«¨âì áç¥â稪 ⨪®¢
; Îáíóëèòü ñ÷åò÷èê òèêîâ
mov eax,[timer_ticks]
mov [TickCounter],eax
; Ž¦¨¤ âì ãáâ ­®¢ª¨ ä« £  ¯à¥à뢠­¨ï ƒŒ„
; Îæèäàòü óñòàíîâêè ôëàãà ïðåðûâàíèÿ ÍÃÌÄ
@@TestRS_2:
cmp [FDD_IntFlag],0
jnz @@End_7 ;¯à¥à뢠­¨¥ ¯à®¨§®è«®
jnz @@End_7 ;ïðåðûâàíèå ïðîèçîøëî
call change_task
mov eax,[timer_ticks]
sub eax,[TickCounter]
cmp eax,50 ;25 ;5 ;®¦¨¤ âì 5 ⨪®¢
cmp eax,50 ;25 ;5 ;îæèäàòü 5 òèêîâ
jb @@TestRS_2
; jl @@TestRS_2
; Žè¨¡ª  â ©¬- ãâ 
; Îøèáêà òàéì-àóòà
mov [FDC_Status],FDC_TimeOut
; mov [flp_status],0
@@End_7: popa
287,7 → 214,7
ret
 
;*********************************
;* ‚Š‹ž—ˆ’œ ŒŽ’Ž „ˆ‘ŠŽ‚Ž„€ "A:" *
;* ÂÊËÞ×ÈÒÜ ÌÎÒÎÐ ÄÈÑÊÎÂÎÄÀ "A:" *
;*********************************
FDDMotorON:
pusha
296,11 → 223,11
mov al,[flp_number]
cmp [fdd_motor_status],al
je fdd_motor_on
; à®¨§¢¥á⨠á¡à®á ª®­â஫«¥à  ƒŒ„
mov DX,3F2h ;¯®àâ ã¯à ¢«¥­¨ï ¤¢¨£ â¥«ï¬¨
; Ïðîèçâåñòè ñáðîñ êîíòðîëëåðà ÍÃÌÄ
mov DX,3F2h ;ïîðò óïðàâëåíèÿ äâèãàòåëÿìè
mov AL,0
out DX,AL
; ‚ë¡à âì ¨ ¢ª«îç¨âì ¬®â®à ¤¨áª®¢®¤ 
; Âûáðàòü è âêëþ÷èòü ìîòîð äèñêîâîäà
cmp [flp_number],1
jne FDDMotorON_B
; call FDDMotorOFF_B
311,11 → 238,12
mov AL,2Dh ; Floppy B
FDDMotorON_1:
out DX,AL
; Ž¡­ã«¨âì áç¥â稪 ⨪®¢
; Îáíóëèòü ñ÷åò÷èê òèêîâ
mov eax,[timer_ticks]
mov [TickCounter],eax
; Ž¦¨¤ âì 0,5 á
; Îæèäàòü 0,5 ñ
@@dT:
call change_task
mov eax,[timer_ticks]
sub eax,[TickCounter]
cmp eax,50 ;10
332,7 → 260,7
ret
 
;*****************************************
;* ‘Ž•€…ˆ… “Š€‡€’…‹Ÿ ‚…Œ…ˆ *
;* ÑÎÕÐÀÍÅÍÈÅ ÓÊÀÇÀÒÅËß ÂÐÅÌÅÍÈ *
;*****************************************
save_timer_fdd_motor:
mov eax,[timer_ticks]
340,11 → 268,11
ret
 
;*****************************************
;* Ž‚…Š€ ‡€„…†Šˆ ‚›Š‹ž—…ˆŸ ŒŽ’Ž€ *
;* ÏÐÎÂÅÐÊÀ ÇÀÄÅÐÆÊÈ ÂÛÊËÞ×ÅÍÈß ÌÎÒÎÐÀ *
;*****************************************
check_fdd_motor_status:
cmp [fdd_motor_status],0
je end_check_fdd_motor_status
je end_check_fdd_motor_status_1
mov eax,[timer_ticks]
sub eax,[timer_fdd_motor]
cmp eax,500
351,11 → 279,13
jb end_check_fdd_motor_status
call FDDMotorOFF
mov [fdd_motor_status],0
end_check_fdd_motor_status_1:
mov [flp_status],0
end_check_fdd_motor_status:
ret
 
;**********************************
;* ‚›Š‹ž—ˆ’œ ŒŽ’Ž „ˆ‘ŠŽ‚Ž„€ *
;* ÂÛÊËÞ×ÈÒÜ ÌÎÒÎÐ ÄÈÑÊÎÂÎÄÀ *
;**********************************
FDDMotorOFF:
push AX
369,35 → 299,35
FDDMotorOFF_2:
pop DX
pop AX
; á¡à®á ä« £®¢ ª¥è¨à®¢ ­¨ï ¢ á¢ï§¨ á ãáâ à¥¢ ­¨¥¬ ¨­ä®à¬ æ¨¨
; ñáðîñ ôëàãîâ êåøèðîâàíèÿ â ñâÿçè ñ óñòàðåâàíèåì èíôîðìàöèè
mov [root_read],0
mov [flp_fat],0
ret
 
FDDMotorOFF_A:
mov DX,3F2h ;¯®àâ ã¯à ¢«¥­¨ï ¤¢¨£ â¥«ï¬¨
mov DX,3F2h ;ïîðò óïðàâëåíèÿ äâèãàòåëÿìè
mov AL,0Ch ; Floppy A
out DX,AL
ret
 
FDDMotorOFF_B:
mov DX,3F2h ;¯®àâ ã¯à ¢«¥­¨ï ¤¢¨£ â¥«ï¬¨
mov DX,3F2h ;ïîðò óïðàâëåíèÿ äâèãàòåëÿìè
mov AL,5h ; Floppy B
out DX,AL
ret
 
;*******************************
;* …Š€‹ˆŽ‚Š€ „ˆ‘ŠŽ‚Ž„€ "A:" *
;* ÐÅÊÀËÈÁÐÎÂÊÀ ÄÈÑÊÎÂÎÄÀ "A:" *
;*******************************
RecalibrateFDD:
pusha
call save_timer_fdd_motor
; ®¤ âì ª®¬ ­¤ã "¥ª «¨¡à®¢ª "
; Ïîäàòü êîìàíäó "Ðåêàëèáðîâêà"
mov AL,07h
call FDCDataOutput
mov AL,00h
call FDCDataOutput
; Ž¦¨¤ âì § ¢¥à襭¨ï ®¯¥à æ¨¨
; Îæèäàòü çàâåðøåíèÿ îïåðàöèè
call WaitFDCInterrupt
; cmp [FDC_Status],0
; je no_fdc_status_error
408,30 → 338,30
ret
 
;*****************************************************
;* Žˆ‘Š „ŽŽ†Šˆ *
;*  à ¬¥âàë ¯¥à¥¤ îâáï ç¥à¥§ £«®¡ «ì­ë¥ ¯¥à¥¬¥­­ë¥: *
;* FDD_Track - ­®¬¥à ¤®à®¦ª¨ (0-79); *
;* FDD_Head - ­®¬¥à £®«®¢ª¨ (0-1). *
;* ¥§ã«ìâ â ®¯¥à æ¨¨ § ­®á¨âáï ¢ FDC_Status. *
;* ÏÎÈÑÊ ÄÎÐÎÆÊÈ *
;* Ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå ïåðåìåííûå: *
;* FDD_Track - íîìåð äîðîæêè (0-79); *
;* FDD_Head - íîìåð ãîëîâêè (0-1). *
;* Ðåçóëüòàò îïåðàöèè çàíîñèòñÿ â FDC_Status. *
;*****************************************************
SeekTrack:
pusha
call save_timer_fdd_motor
; ®¤ âì ª®¬ ­¤ã "®¨áª"
; Ïîäàòü êîìàíäó "Ïîèñê"
mov AL,0Fh
call FDCDataOutput
; ¥à¥¤ âì ¡ ©â ­®¬¥à  £®«®¢ª¨/­ ª®¯¨â¥«ï
; Ïåðåäàòü áàéò íîìåðà ãîëîâêè/íàêîïèòåëÿ
mov AL,[FDD_Head]
shl AL,2
call FDCDataOutput
; ¥à¥¤ âì ¡ ©â ­®¬¥à  ¤®à®¦ª¨
; Ïåðåäàòü áàéò íîìåðà äîðîæêè
mov AL,[FDD_Track]
call FDCDataOutput
; Ž¦¨¤ âì § ¢¥à襭¨ï ®¯¥à æ¨¨
; Îæèäàòü çàâåðøåíèÿ îïåðàöèè
call WaitFDCInterrupt
cmp [FDC_Status],FDC_Normal
jne @@Exit
; ‘®åà ­¨âì १ã«ìâ â ¯®¨áª 
; Ñîõðàíèòü ðåçóëüòàò ïîèñêà
mov AL,08h
call FDCDataOutput
call FDCDataInput
438,24 → 368,24
mov [FDC_ST0],AL
call FDCDataInput
mov [FDC_C],AL
; à®¢¥à¨âì १ã«ìâ â ¯®¨áª 
; ®¨áª § ¢¥à襭?
; Ïðîâåðèòü ðåçóëüòàò ïîèñêà
; Ïîèñê çàâåðøåí?
test [FDC_ST0],100000b
je @@Err
; ‡ ¤ ­­ë© â४ ­ ©¤¥­?
; Çàäàííûé òðåê íàéäåí?
mov AL,[FDC_C]
cmp AL,[FDD_Track]
jne @@Err
; ®¬¥à £®«®¢ª¨ ᮢ¯ ¤ ¥â á § ¤ ­­ë¬?
; Íîìåð ãîëîâêè ñîâïàäàåò ñ çàäàííûì?
mov AL,[FDC_ST0]
and AL,100b
shr AL,2
cmp AL,[FDD_Head]
jne @@Err
; Ž¯¥à æ¨ï § ¢¥à襭  ãᯥ譮
; Îïåðàöèÿ çàâåðøåíà óñïåøíî
mov [FDC_Status],FDC_Normal
jmp @@Exit
@@Err: ; ’४ ­¥ ­ ©¤¥­
@@Err: ; Òðåê íå íàéäåí
mov [FDC_Status],FDC_TrackNotFound
; mov [flp_status],0
@@Exit:
464,27 → 394,27
ret
 
;*******************************************************
;* —’…ˆ… ‘…Š’Ž€ „€›• *
;*  à ¬¥âàë ¯¥à¥¤ îâáï ç¥à¥§ £«®¡ «ì­ë¥ ¯¥à¥¬¥­­ë¥: *
;* FDD_Track - ­®¬¥à ¤®à®¦ª¨ (0-79); *
;* FDD_Head - ­®¬¥à £®«®¢ª¨ (0-1); *
;* FDD_Sector - ­®¬¥à ᥪâ®à  (1-18). *
;* ¥§ã«ìâ â ®¯¥à æ¨¨ § ­®á¨âáï ¢ FDC_Status. *
;* ‚ á«ãç ¥ ãᯥ譮£® ¢ë¯®«­¥­¨ï ®¯¥à æ¨¨ ç⥭¨ï *
;* ᮤ¥à¦¨¬®¥ ᥪâ®à  ¡ã¤¥â § ­¥á¥­® ¢ FDD_DataBuffer. *
;* ×ÒÅÍÈÅ ÑÅÊÒÎÐÀ ÄÀÍÍÛÕ *
;* Ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå ïåðåìåííûå: *
;* FDD_Track - íîìåð äîðîæêè (0-79); *
;* FDD_Head - íîìåð ãîëîâêè (0-1); *
;* FDD_Sector - íîìåð ñåêòîðà (1-18). *
;* Ðåçóëüòàò îïåðàöèè çàíîñèòñÿ â FDC_Status. *
;*  ñëó÷àå óñïåøíîãî âûïîëíåíèÿ îïåðàöèè ÷òåíèÿ *
;* ñîäåðæèìîå ñåêòîðà áóäåò çàíåñåíî â FDD_DataBuffer. *
;*******************************************************
ReadSector:
pushad
call save_timer_fdd_motor
; “áâ ­®¢¨âì ᪮à®áâì ¯¥à¥¤ ç¨ 500 Š¡ ©â/á
; Óñòàíîâèòü ñêîðîñòü ïåðåäà÷è 500 Êáàéò/ñ
mov AX,0
mov DX,03F7h
out DX,AL
; ˆ­¨æ¨ «¨§¨à®¢ âì ª ­ « ¯àאַ£® ¤®áâ㯠 ª ¯ ¬ïâ¨
; Èíèöèàëèçèðîâàòü êàíàë ïðÿìîãî äîñòóïà ê ïàìÿòè
mov [dmamode],0x46
call Init_FDC_DMA
; ®¤ âì ª®¬ ­¤ã "—⥭¨¥ ¤ ­­ëå"
mov AL,0E6h ;ç⥭¨¥ ¢ ¬ã«ìâ¨â४®¢®¬ ०¨¬¥
; Ïîäàòü êîìàíäó "×òåíèå äàííûõ"
mov AL,0E6h ;÷òåíèå â ìóëüòèòðåêîâîì ðåæèìå
call FDCDataOutput
mov AL,[FDD_Head]
shl AL,2
495,20 → 425,19
call FDCDataOutput
mov AL,[FDD_Sector]
call FDCDataOutput
mov AL,2 ;ª®¤ à §¬¥à  ᥪâ®à  (512 ¡ ©â)
mov AL,2 ;êîä ðàçìåðà ñåêòîðà (512 áàéò)
call FDCDataOutput
mov AL,18 ;+1; 3Fh ;ç¨á«® ᥪâ®à®¢ ­  ¤®à®¦ª¥
mov AL,18 ;+1; 3Fh ;÷èñëî ñåêòîðîâ íà äîðîæêå
call FDCDataOutput
mov AL,1Bh ;§­ ç¥­¨¥ GPL
mov AL,1Bh ;çíà÷åíèå GPL
call FDCDataOutput
mov AL,0FFh ;§­ ç¥­¨¥ DTL
mov AL,0FFh ;çíà÷åíèå DTL
call FDCDataOutput
 
; Ž¦¨¤ ¥¬ ¯à¥à뢠­¨¥ ¯® § ¢¥à襭¨¨ ®¯¥à æ¨¨
; Îæèäàåì ïðåðûâàíèå ïî çàâåðøåíèè îïåðàöèè
call WaitFDCInterrupt
cmp [FDC_Status],FDC_Normal
jne @@Exit_1
; ‘ç¨â뢠¥¬ áâ âãá § ¢¥à襭¨ï ®¯¥à æ¨¨
; Ñ÷èòûâàåì ñòàòóñ çàâåðøåíèÿ îïåðàöèè
call GetStatusInfo
test [FDC_ST0],11011000b
jnz @@Err_1
522,21 → 451,21
ret
 
;*******************************************************
;* —’…ˆ… ‘…Š’Ž€ (‘ Ž‚’Ž…ˆ…Œ Ž…€–ˆˆ ˆ ‘Ž…) *
;*  à ¬¥âàë ¯¥à¥¤ îâáï ç¥à¥§ £«®¡ «ì­ë¥ ¯¥à¥¬¥­­ë¥: *
;* FDD_Track - ­®¬¥à ¤®à®¦ª¨ (0-79); *
;* FDD_Head - ­®¬¥à £®«®¢ª¨ (0-1); *
;* FDD_Sector - ­®¬¥à ᥪâ®à  (1-18). *
;* ¥§ã«ìâ â ®¯¥à æ¨¨ § ­®á¨âáï ¢ FDC_Status. *
;* ‚ á«ãç ¥ ãᯥ譮£® ¢ë¯®«­¥­¨ï ®¯¥à æ¨¨ ç⥭¨ï *
;* ᮤ¥à¦¨¬®¥ ᥪâ®à  ¡ã¤¥â § ­¥á¥­® ¢ FDD_DataBuffer. *
;* ×ÒÅÍÈÅ ÑÅÊÒÎÐÀ (Ñ ÏÎÂÒÎÐÅÍÈÅÌ ÎÏÅÐÀÖÈÈ ÏÐÈ ÑÁÎÅ) *
;* Ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå ïåðåìåííûå: *
;* FDD_Track - íîìåð äîðîæêè (0-79); *
;* FDD_Head - íîìåð ãîëîâêè (0-1); *
;* FDD_Sector - íîìåð ñåêòîðà (1-18). *
;* Ðåçóëüòàò îïåðàöèè çàíîñèòñÿ â FDC_Status. *
;*  ñëó÷àå óñïåøíîãî âûïîëíåíèÿ îïåðàöèè ÷òåíèÿ *
;* ñîäåðæèìîå ñåêòîðà áóäåò çàíåñåíî â FDD_DataBuffer. *
;*******************************************************
ReadSectWithRetr:
pusha
; Ž¡­ã«¨âì áç¥â稪 ¯®¢â®à¥­¨ï ®¯¥à æ¨¨ ४ «¨¡à®¢ª¨
; Îáíóëèòü ñ÷åò÷èê ïîâòîðåíèÿ îïåðàöèè ðåêàëèáðîâêè
mov [RecalRepCounter],0
@@TryAgain:
; Ž¡­ã«¨âì áç¥â稪 ¯®¢â®à¥­¨ï ®¯¥à æ¨¨ ç⥭¨ï
; Îáíóëèòü ñ÷åò÷èê ïîâòîðåíèÿ îïåðàöèè ÷òåíèÿ
mov [ReadRepCounter],0
@@ReadSector_1:
call ReadSector
544,11 → 473,11
je @@Exit_2
cmp [FDC_Status],1
je @@Err_3
; ’஥ªà â­®¥ ¯®¢â®à¥­¨¥ ç⥭¨ï
; Òðîåêðàòíîå ïîâòîðåíèå ÷òåíèÿ
inc [ReadRepCounter]
cmp [ReadRepCounter],3
jb @@ReadSector_1
; ’஥ªà â­®¥ ¯®¢â®à¥­¨¥ ४ «¨¡à®¢ª¨
; Òðîåêðàòíîå ïîâòîðåíèå ðåêàëèáðîâêè
call RecalibrateFDD
call SeekTrack
inc [RecalRepCounter]
564,27 → 493,27
ret
 
;*******************************************************
;* ‡€ˆ‘œ ‘…Š’Ž€ „€›• *
;*  à ¬¥âàë ¯¥à¥¤ îâáï ç¥à¥§ £«®¡ «ì­ë¥ ¯¥à¥¬¥­­ë¥: *
;* FDD_Track - ­®¬¥à ¤®à®¦ª¨ (0-79); *
;* FDD_Head - ­®¬¥à £®«®¢ª¨ (0-1); *
;* FDD_Sector - ­®¬¥à ᥪâ®à  (1-18). *
;* ¥§ã«ìâ â ®¯¥à æ¨¨ § ­®á¨âáï ¢ FDC_Status. *
;* ‚ á«ãç ¥ ãᯥ譮£® ¢ë¯®«­¥­¨ï ®¯¥à æ¨¨ § ¯¨á¨ *
;* ᮤ¥à¦¨¬®¥ FDD_DataBuffer ¡ã¤¥â § ­¥á¥­® ¢ ᥪâ®à. *
;* ÇÀÏÈÑÜ ÑÅÊÒÎÐÀ ÄÀÍÍÛÕ *
;* Ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå ïåðåìåííûå: *
;* FDD_Track - íîìåð äîðîæêè (0-79); *
;* FDD_Head - íîìåð ãîëîâêè (0-1); *
;* FDD_Sector - íîìåð ñåêòîðà (1-18). *
;* Ðåçóëüòàò îïåðàöèè çàíîñèòñÿ â FDC_Status. *
;*  ñëó÷àå óñïåøíîãî âûïîëíåíèÿ îïåðàöèè çàïèñè *
;* ñîäåðæèìîå FDD_DataBuffer áóäåò çàíåñåíî â ñåêòîð. *
;*******************************************************
WriteSector:
pushad
call save_timer_fdd_motor
; “áâ ­®¢¨âì ᪮à®áâì ¯¥à¥¤ ç¨ 500 Š¡ ©â/á
; Óñòàíîâèòü ñêîðîñòü ïåðåäà÷è 500 Êáàéò/ñ
mov AX,0
mov DX,03F7h
out DX,AL
; ˆ­¨æ¨ «¨§¨à®¢ âì ª ­ « ¯àאַ£® ¤®áâ㯠 ª ¯ ¬ïâ¨
; Èíèöèàëèçèðîâàòü êàíàë ïðÿìîãî äîñòóïà ê ïàìÿòè
mov [dmamode],0x4A
call Init_FDC_DMA
; ®¤ âì ª®¬ ­¤ã "‡ ¯¨áì ¤ ­­ëå"
mov AL,0xC5 ;0x45 ;§ ¯¨áì ¢ ¬ã«ìâ¨â४®¢®¬ ०¨¬¥
; Ïîäàòü êîìàíäó "Çàïèñü äàííûõ"
mov AL,0xC5 ;0x45 ;çàïèñü â ìóëüòèòðåêîâîì ðåæèìå
call FDCDataOutput
mov AL,[FDD_Head]
shl AL,2
595,20 → 524,19
call FDCDataOutput
mov AL,[FDD_Sector]
call FDCDataOutput
mov AL,2 ;ª®¤ à §¬¥à  ᥪâ®à  (512 ¡ ©â)
mov AL,2 ;êîä ðàçìåðà ñåêòîðà (512 áàéò)
call FDCDataOutput
mov AL,18; 3Fh ;ç¨á«® ᥪâ®à®¢ ­  ¤®à®¦ª¥
mov AL,18; 3Fh ;÷èñëî ñåêòîðîâ íà äîðîæêå
call FDCDataOutput
mov AL,1Bh ;§­ ç¥­¨¥ GPL
mov AL,1Bh ;çíà÷åíèå GPL
call FDCDataOutput
mov AL,0FFh ;§­ ç¥­¨¥ DTL
mov AL,0FFh ;çíà÷åíèå DTL
call FDCDataOutput
 
; Ž¦¨¤ ¥¬ ¯à¥à뢠­¨¥ ¯® § ¢¥à襭¨¨ ®¯¥à æ¨¨
; Îæèäàåì ïðåðûâàíèå ïî çàâåðøåíèè îïåðàöèè
call WaitFDCInterrupt
cmp [FDC_Status],FDC_Normal
jne @@Exit_3
; ‘ç¨â뢠¥¬ áâ âãá § ¢¥à襭¨ï ®¯¥à æ¨¨
; Ñ÷èòûâàåì ñòàòóñ çàâåðøåíèÿ îïåðàöèè
call GetStatusInfo
test [FDC_ST0],11000000b ;11011000b
jnz @@Err_2
621,21 → 549,21
ret
 
;*******************************************************
;* ‡€ˆ‘œ ‘…Š’Ž€ (‘ Ž‚’Ž…ˆ…Œ Ž…€–ˆˆ ˆ ‘Ž…) *
;*  à ¬¥âàë ¯¥à¥¤ îâáï ç¥à¥§ £«®¡ «ì­ë¥ ¯¥à¥¬¥­­ë¥: *
;* FDD_Track - ­®¬¥à ¤®à®¦ª¨ (0-79); *
;* FDD_Head - ­®¬¥à £®«®¢ª¨ (0-1); *
;* FDD_Sector - ­®¬¥à ᥪâ®à  (1-18). *
;* ¥§ã«ìâ â ®¯¥à æ¨¨ § ­®á¨âáï ¢ FDC_Status. *
;* ‚ á«ãç ¥ ãᯥ譮£® ¢ë¯®«­¥­¨ï ®¯¥à æ¨¨ § ¯¨á¨ *
;* ᮤ¥à¦¨¬®¥ FDD_DataBuffer ¡ã¤¥â § ­¥á¥­® ¢ ᥪâ®à. *
;* ÇÀÏÈÑÜ ÑÅÊÒÎÐÀ (Ñ ÏÎÂÒÎÐÅÍÈÅÌ ÎÏÅÐÀÖÈÈ ÏÐÈ ÑÁÎÅ) *
;* Ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå ïåðåìåííûå: *
;* FDD_Track - íîìåð äîðîæêè (0-79); *
;* FDD_Head - íîìåð ãîëîâêè (0-1); *
;* FDD_Sector - íîìåð ñåêòîðà (1-18). *
;* Ðåçóëüòàò îïåðàöèè çàíîñèòñÿ â FDC_Status. *
;*  ñëó÷àå óñïåøíîãî âûïîëíåíèÿ îïåðàöèè çàïèñè *
;* ñîäåðæèìîå FDD_DataBuffer áóäåò çàíåñåíî â ñåêòîð. *
;*******************************************************
WriteSectWithRetr:
pusha
; Ž¡­ã«¨âì áç¥â稪 ¯®¢â®à¥­¨ï ®¯¥à æ¨¨ ४ «¨¡à®¢ª¨
; Îáíóëèòü ñ÷åò÷èê ïîâòîðåíèÿ îïåðàöèè ðåêàëèáðîâêè
mov [RecalRepCounter],0
@@TryAgain_1:
; Ž¡­ã«¨âì áç¥â稪 ¯®¢â®à¥­¨ï ®¯¥à æ¨¨ ç⥭¨ï
; Îáíóëèòü ñ÷åò÷èê ïîâòîðåíèÿ îïåðàöèè ÷òåíèÿ
mov [ReadRepCounter],0
@@WriteSector_1:
call WriteSector
643,11 → 571,11
je @@Exit_4
cmp [FDC_Status],1
je @@Err_4
; ’஥ªà â­®¥ ¯®¢â®à¥­¨¥ ç⥭¨ï
; Òðîåêðàòíîå ïîâòîðåíèå ÷òåíèÿ
inc [ReadRepCounter]
cmp [ReadRepCounter],3
jb @@WriteSector_1
; ’஥ªà â­®¥ ¯®¢â®à¥­¨¥ ४ «¨¡à®¢ª¨
; Òðîåêðàòíîå ïîâòîðåíèå ðåêàëèáðîâêè
call RecalibrateFDD
call SeekTrack
inc [RecalRepCounter]
662,7 → 590,7
ret
 
;*********************************************
;* Ž‹“—ˆ’œ ˆ”ŽŒ€–ˆž Ž …‡“‹œ’€’… Ž…€–ˆˆ *
;* ÏÎËÓ×ÈÒÜ ÈÍÔÎÐÌÀÖÈÞ Î ÐÅÇÓËÜÒÀÒÅ ÎÏÅÐÀÖÈÈ *
;*********************************************
GetStatusInfo:
push AX
/kernel/trunk/blkdev/rd.inc
456,11 → 456,11
pop edi esi edx ecx ebx eax
add esp,32
 
pusha
cli
call fdc_commitfile
sti
popa
; pusha
; cli
; call fdc_commitfile
; sti
; popa
 
xor eax,eax ;ok write
ret
/kernel/trunk/kernel.asm
86,7 → 86,7
putpixel dd __sys_putpixel
; } mike.dld
 
version db 'Kolibri OS version 0.5.1.0 ',13,10,13,10,0
version db 'Kolibri OS version 0.5.1.5 ',13,10,13,10,0
;dd endofcode-0x10000
 
;db 'Boot02'
2257,7 → 2257,7
 
iglobal
version_inf:
db 0,5,1,0 ; version 0.5.1.0
db 0,5,1,5 ; version 0.5.1.5
db UID_KOLIBRI
db 'Kolibri',0
version_end:
2277,35 → 2277,51
ret
 
sys_cachetodiskette:
pushad
; pushad
; cmp eax,1
; jne no_write_all_of_ramdisk
; call fdc_writeramdisk
; popad
; ret
; no_write_all_of_ramdisk:
; cmp eax,2
; jne no_write_part_of_ramdisk
; call fdc_commitflush
; popad
; ret
; no_write_part_of_ramdisk:
; cmp eax,3
; jne no_set_fdc
; call fdc_set
; popad
; ret
; no_set_fdc:
; cmp eax,4
; jne no_get_fdc
; popad
; call fdc_get
; mov [esp+36],ecx
; ret
; no_get_fdc:
; popad
; ret
cmp eax,1
jne no_write_all_of_ramdisk
 
call fdc_writeramdisk
popad
ret
no_write_all_of_ramdisk:
jne no_floppy_a_save
mov [flp_number],1
jmp save_image_on_floppy
no_floppy_a_save:
cmp eax,2
jne no_write_part_of_ramdisk
call fdc_commitflush
popad
jne no_floppy_b_save
mov [flp_number],2
save_image_on_floppy:
call save_image
mov [esp+36],dword 0
cmp [FDC_Status],0
je yes_floppy_save
no_floppy_b_save:
mov [esp+36],dword 1
yes_floppy_save:
ret
no_write_part_of_ramdisk:
cmp eax,3
jne no_set_fdc
call fdc_set
popad
ret
no_set_fdc:
cmp eax,4
jne no_get_fdc
popad
call fdc_get
mov [esp+36],ecx
ret
no_get_fdc:
popad
ret
 
uglobal
; bgrchanged dd 0x0