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Rev 389 Rev 425
- 
 
 1 
$Revision: 425 $
1 
;******************************************************
 2 
;******************************************************
2 
; ïîèñê ïðèâîäîâ HDD è CD
 3 
; ïîèñê ïðèâîäîâ HDD è CD
3 
; àâòîð èñõîäíîãî òåêñòà Êóëàêîâ Âëàäèìèð Ãåííàäüåâè÷.
 4 
; àâòîð èñõîäíîãî òåêñòà Êóëàêîâ Âëàäèìèð Ãåííàäüåâè÷.
4 
; àäàïòàöèÿ è äîðàáîòêà Mario79
 5 
; àäàïòàöèÿ è äîðàáîòêà Mario79
5 
;******************************************************
 6 
;******************************************************
6 
 
 7 
 
7 
;****************************************************
 8 
;****************************************************
8 
;*                 ÏÎÈÑÊ HDD è CD                   *
 9 
;*                 ÏÎÈÑÊ HDD è CD                   *
9 
;****************************************************
 10 
;****************************************************
10 
FindHDD:
 11 
FindHDD:
11 
        mov     [ChannelNumber],1
 12 
        mov     [ChannelNumber],1
12 
        mov     [DiskNumber],0
 13 
        mov     [DiskNumber],0
13 
        call    FindHDD_3
 14 
        call    FindHDD_3
14 
;        mov     ax,[Sector512+176]
 15 
;        mov     ax,[Sector512+176]
15 
;        mov     [DRIVE_DATA+6],ax
 16 
;        mov     [DRIVE_DATA+6],ax
16 
;        mov     ax,[Sector512+126]
 17 
;        mov     ax,[Sector512+126]
17 
;        mov     [DRIVE_DATA+8],ax
 18 
;        mov     [DRIVE_DATA+8],ax
18 
;        mov     ax,[Sector512+128]
 19 
;        mov     ax,[Sector512+128]
19 
;        mov     [DRIVE_DATA+8],ax
 20 
;        mov     [DRIVE_DATA+8],ax
20 
        mov     [DiskNumber],1
 21 
        mov     [DiskNumber],1
21 
        call    FindHDD_3
 22 
        call    FindHDD_3
22 
;        mov     al,[Sector512+176]
 23 
;        mov     al,[Sector512+176]
23 
;        mov     [DRIVE_DATA+7],al
 24 
;        mov     [DRIVE_DATA+7],al
24 
        inc     [ChannelNumber]
 25 
        inc     [ChannelNumber]
25 
        mov     [DiskNumber],0
 26 
        mov     [DiskNumber],0
26 
        call    FindHDD_3
 27 
        call    FindHDD_3
27 
;        mov     al,[Sector512+176]
 28 
;        mov     al,[Sector512+176]
28 
;        mov     [DRIVE_DATA+8],al
 29 
;        mov     [DRIVE_DATA+8],al
29 
        mov     [DiskNumber],1
 30 
        mov     [DiskNumber],1
30 
        call    FindHDD_1
 31 
        call    FindHDD_1
31 
;        mov     al,[Sector512+176]
 32 
;        mov     al,[Sector512+176]
32 
;        mov     [DRIVE_DATA+9],al
 33 
;        mov     [DRIVE_DATA+9],al
33 
 
 34 
 
34 
        jmp     EndFindHDD
 35 
        jmp     EndFindHDD
35 
 
 36 
 
36 
FindHDD_1:
 37 
FindHDD_1:
37 
        call    ReadHDD_ID
 38 
        call    ReadHDD_ID
38 
        cmp     [DevErrorCode],0
 39 
        cmp     [DevErrorCode],0
39 
        jne     FindHDD_2
 40 
        jne     FindHDD_2
40 
        cmp     [Sector512+6],word 16
 41 
        cmp     [Sector512+6],word 16
41 
        ja      FindHDD_2
 42 
        ja      FindHDD_2
42 
        cmp     [Sector512+12],word 255
 43 
        cmp     [Sector512+12],word 255
43 
        ja      FindHDD_2
 44 
        ja      FindHDD_2
44 
        inc     byte [DRIVE_DATA+1]
 45 
        inc     byte [DRIVE_DATA+1]
45 
        jmp     FindHDD_2_2
 46 
        jmp     FindHDD_2_2
46 
   FindHDD_2:
 47 
   FindHDD_2:
47 
        call    DeviceReset
 48 
        call    DeviceReset
48 
        cmp     [DevErrorCode],0
 49 
        cmp     [DevErrorCode],0
49 
        jne     FindHDD_2_2
 50 
        jne     FindHDD_2_2
50 
        call    ReadCD_ID
 51 
        call    ReadCD_ID
51 
        cmp     [DevErrorCode],0
 52 
        cmp     [DevErrorCode],0
52 
        jne      FindHDD_2_2
 53 
        jne      FindHDD_2_2
53 
        inc     byte [DRIVE_DATA+1]
 54 
        inc     byte [DRIVE_DATA+1]
54 
        inc     byte [DRIVE_DATA+1]
 55 
        inc     byte [DRIVE_DATA+1]
55 
   FindHDD_2_2:
 56 
   FindHDD_2_2:
56 
        ret
 57 
        ret
57 
 
 58 
 
58 
FindHDD_3:
 59 
FindHDD_3:
59 
        call    FindHDD_1
 60 
        call    FindHDD_1
60 
        shl     byte [DRIVE_DATA+1],2
 61 
        shl     byte [DRIVE_DATA+1],2
61 
        ret
 62 
        ret
62 
 
 63 
 
63 
 
 64 
 
64 
; Àäðåñ ñ÷èòûâàåìîãî ñåêòîðà â ðåæèìå LBA
 65 
; Àäðåñ ñ÷èòûâàåìîãî ñåêòîðà â ðåæèìå LBA
65 
SectorAddress   DD ?
 66 
SectorAddress   DD ?
66 
 
 67 
 
67 
;*************************************************
 68 
;*************************************************
68 
;*     ×ÒÅÍÈÅ ÈÄÅÍÒÈÔÈÊÀÒÎÐÀ ÆÅÑÒÊÎÃÎ ÄÈÑÊÀ      *
 69 
;*     ×ÒÅÍÈÅ ÈÄÅÍÒÈÔÈÊÀÒÎÐÀ ÆÅÑÒÊÎÃÎ ÄÈÑÊÀ      *
69 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
 70 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
70 
;* ïåðåìåííûå:                                   *
 71 
;* ïåðåìåííûå:                                   *
71 
;* ChannelNumber - íîìåð êàíàëà (1 èëè 2);       *
 72 
;* ChannelNumber - íîìåð êàíàëà (1 èëè 2);       *
72 
;* DiskNumber - íîìåð äèñêà íà êàíàëå (0 èëè 1). *
 73 
;* DiskNumber - íîìåð äèñêà íà êàíàëå (0 èëè 1). *
73 
;* Èäåíòèôèêàöèîííûé áëîê äàííûõ ñ÷èòûâàåòñÿ     *
 74 
;* Èäåíòèôèêàöèîííûé áëîê äàííûõ ñ÷èòûâàåòñÿ     *
74 
;* â ìàññèâ Sector512.                           *
 75 
;* â ìàññèâ Sector512.                           *
75 
;*************************************************
 76 
;*************************************************
76 
ReadHDD_ID:
 77 
ReadHDD_ID:
77 
; Çàäàòü ðåæèì CHS
 78 
; Çàäàòü ðåæèì CHS
78 
        mov     [ATAAddressMode],0
 79 
        mov     [ATAAddressMode],0
79 
; Ïîñëàòü êîìàíäó èäåíòèôèêàöèè óñòðîéñòâà
 80 
; Ïîñëàòü êîìàíäó èäåíòèôèêàöèè óñòðîéñòâà
80 
        mov     [ATAFeatures],0
 81 
        mov     [ATAFeatures],0
81 
        mov     [ATAHead],0
 82 
        mov     [ATAHead],0
82 
        mov     [ATACommand],0ECh
 83 
        mov     [ATACommand],0ECh
83 
        call    SendCommandToHDD
 84 
        call    SendCommandToHDD
84 
        cmp     [DevErrorCode],0 ;ïðîâåðèòü êîä îøèáêè
 85 
        cmp     [DevErrorCode],0 ;ïðîâåðèòü êîä îøèáêè
85 
        jne     @@End  ;çàêîí÷èòü, ñîõðàíèâ êîä îøèáêè
 86 
        jne     @@End  ;çàêîí÷èòü, ñîõðàíèâ êîä îøèáêè
86 
        mov     DX,[ATABasePortAddr]
 87 
        mov     DX,[ATABasePortAddr]
87 
        add     DX,7     ;àäðåñ ðåãèñòðà ñîñòîÿíè
 88 
        add     DX,7     ;àäðåñ ðåãèñòðà ñîñòîÿíè
88 
        mov  ecx,0xffff
 89 
        mov  ecx,0xffff
89 
@@WaitCompleet:
 90 
@@WaitCompleet:
90 
        ; Ïðîâåðèòü âðåìÿ âûïîëíåíèÿ êîìàíäû
 91 
        ; Ïðîâåðèòü âðåìÿ âûïîëíåíèÿ êîìàíäû
91 
        dec  ecx
 92 
        dec  ecx
92 
        cmp  ecx,0
 93 
        cmp  ecx,0
93 
        je     @@Error1   ;îøèáêà òàéì-àóòà
 94 
        je     @@Error1   ;îøèáêà òàéì-àóòà
94 
        ; Ïðîâåðèòü ãîòîâíîñòü
 95 
        ; Ïðîâåðèòü ãîòîâíîñòü
95 
        in      AL,DX
 96 
        in      AL,DX
96 
        test    AL,80h   ;ñîñòîÿíèå ñèãíàëà BSY
 97 
        test    AL,80h   ;ñîñòîÿíèå ñèãíàëà BSY
97 
        jnz     @@WaitCompleet
 98 
        jnz     @@WaitCompleet
98 
        test    AL,1     ;ñîñòîÿíèå ñèãíàëà ERR
 99 
        test    AL,1     ;ñîñòîÿíèå ñèãíàëà ERR
99 
        jnz     @@Error6
 100 
        jnz     @@Error6
100 
        test    AL,08h   ;ñîñòîÿíèå ñèãíàëà DRQ
 101 
        test    AL,08h   ;ñîñòîÿíèå ñèãíàëà DRQ
101 
        jz      @@WaitCompleet
 102 
        jz      @@WaitCompleet
102 
; Ïðèíÿòü áëîê äàííûõ îò êîíòðîëëåðà
 103 
; Ïðèíÿòü áëîê äàííûõ îò êîíòðîëëåðà
103 
;        mov     AX,DS
 104 
;        mov     AX,DS
104 
;        mov     ES,AX
 105 
;        mov     ES,AX
105 
        mov     EDI,Sector512  ;offset Sector512
 106 
        mov     EDI,Sector512  ;offset Sector512
106 
        mov     DX,[ATABasePortAddr] ;ðåãèñòð äàííûõ
 107 
        mov     DX,[ATABasePortAddr] ;ðåãèñòð äàííûõ
107 
        mov     CX,256   ;÷èñëî ñ÷èòûâàåìûõ ñëîâ
 108 
        mov     CX,256   ;÷èñëî ñ÷èòûâàåìûõ ñëîâ
108 
        rep     insw     ;ïðèíÿòü áëîê äàííûõ
 109 
        rep     insw     ;ïðèíÿòü áëîê äàííûõ
109 
        jmp @@End
 110 
        jmp @@End
110 
; Çàïèñàòü êîä îøèáêè
 111 
; Çàïèñàòü êîä îøèáêè
111 
@@Error1:
 112 
@@Error1:
112 
        mov     [DevErrorCode],1
 113 
        mov     [DevErrorCode],1
113 
        jmp @@End
 114 
        jmp @@End
114 
@@Error6:
 115 
@@Error6:
115 
        mov     [DevErrorCode],6
 116 
        mov     [DevErrorCode],6
116 
@@End:  ret
 117 
@@End:  ret
117 
 
 118 
 
118 
 
 119 
 
119 
 
 120 
 
120 
; Ñòàíäàðòíûå áàçîâûå àäðåñà êàíàëîâ 1 è 2
 121 
; Ñòàíäàðòíûå áàçîâûå àäðåñà êàíàëîâ 1 è 2
121 
StandardATABases DW 1F0h, 170h
 122 
StandardATABases DW 1F0h, 170h
122 
; Íîìåð êàíàëà
 123 
; Íîìåð êàíàëà
123 
ChannelNumber   DW ?
 124 
ChannelNumber   DW ?
124 
; Íîìåð äèñêà
 125 
; Íîìåð äèñêà
125 
DiskNumber      DB ?
 126 
DiskNumber      DB ?
126 
; Áàçîâûé àäðåñ ãðóïïû ïîðòîâ êîíòðîëëåðà ATA
 127 
; Áàçîâûé àäðåñ ãðóïïû ïîðòîâ êîíòðîëëåðà ATA
127 
ATABasePortAddr DW ?
 128 
ATABasePortAddr DW ?
128 
; Ïàðàìåòðû ATA-êîìàíäû
 129 
; Ïàðàìåòðû ATA-êîìàíäû
129 
ATAFeatures     DB ? ;îñîáåííîñòè
 130 
ATAFeatures     DB ? ;îñîáåííîñòè
130 
ATASectorCount  DB ? ;êîëè÷åñòâî îáðàáàòûâàåìûõ ñåêòîðîâ
 131 
ATASectorCount  DB ? ;êîëè÷åñòâî îáðàáàòûâàåìûõ ñåêòîðîâ
131 
ATASectorNumber DB ? ;íîìåð íà÷àëüíîãî ñåêòîðà
 132 
ATASectorNumber DB ? ;íîìåð íà÷àëüíîãî ñåêòîðà
132 
ATACylinder     DW ? ;íîìåð íà÷àëüíîãî öèëèíäðà
 133 
ATACylinder     DW ? ;íîìåð íà÷àëüíîãî öèëèíäðà
133 
ATAHead         DB ? ;íîìåð íà÷àëüíîé ãîëîâêè
 134 
ATAHead         DB ? ;íîìåð íà÷àëüíîé ãîëîâêè
134 
ATAAddressMode  DB ? ;ðåæèì àäðåñàöèè (0 - CHS, 1 - LBA)
 135 
ATAAddressMode  DB ? ;ðåæèì àäðåñàöèè (0 - CHS, 1 - LBA)
135 
ATACommand      DB ? ;êîä êîìàíäû, ïîäëåæàùåé âûïîëíåíèþ
 136 
ATACommand      DB ? ;êîä êîìàíäû, ïîäëåæàùåé âûïîëíåíèþ
136 
; Êîä îøèáêè (0 - íåò îøèáîê, 1 - ïðåâûøåí äîïóñòèìûé
 137 
; Êîä îøèáêè (0 - íåò îøèáîê, 1 - ïðåâûøåí äîïóñòèìûé
137 
; èíòåðâàë îæèäàíèÿ, 2 - íåâåðíûé êîä ðåæèìà àäðåñàöèè,
 138 
; èíòåðâàë îæèäàíèÿ, 2 - íåâåðíûé êîä ðåæèìà àäðåñàöèè,
138 
; 3 - íåâåðíûé íîìåð êàíàëà, 4 - íåâåðíûé íîìåð äèñêà,
 139 
; 3 - íåâåðíûé íîìåð êàíàëà, 4 - íåâåðíûé íîìåð äèñêà,
139 
; 5 - íåâåðíûé íîìåð ãîëîâêè, 6 - îøèáêà ïðè âûïîëíåíèè
 140 
; 5 - íåâåðíûé íîìåð ãîëîâêè, 6 - îøèáêà ïðè âûïîëíåíèè
140 
; êîìàíäû)
 141 
; êîìàíäû)
141 
DevErrorCode DB ?
 142 
DevErrorCode DB ?
142 
 
 143 
 
143 
;****************************************************
 144 
;****************************************************
144 
;*          ÏÎÑËÀÒÜ ÊÎÌÀÍÄÓ ÇÀÄÀÍÍÎÌÓ ÄÈÑÊÓ         *
 145 
;*          ÏÎÑËÀÒÜ ÊÎÌÀÍÄÓ ÇÀÄÀÍÍÎÌÓ ÄÈÑÊÓ         *
145 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå    *
 146 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå    *
146 
;* ïåðåìåííûå:                                      *
 147 
;* ïåðåìåííûå:                                      *
147 
;* ChannelNumber - íîìåð êàíàëà (1 èëè 2);          *
 148 
;* ChannelNumber - íîìåð êàíàëà (1 èëè 2);          *
148 
;* DiskNumber - íîìåð äèñêà (0 èëè 1);              *
 149 
;* DiskNumber - íîìåð äèñêà (0 èëè 1);              *
149 
;* ATAFeatures - "îñîáåííîñòè";                     *
 150 
;* ATAFeatures - "îñîáåííîñòè";                     *
150 
;* ATASectorCount - êîëè÷åñòâî ñåêòîðîâ;            *
 151 
;* ATASectorCount - êîëè÷åñòâî ñåêòîðîâ;            *
151 
;* ATASectorNumber - íîìåð íà÷àëüíîãî ñåêòîðà;      *
 152 
;* ATASectorNumber - íîìåð íà÷àëüíîãî ñåêòîðà;      *
152 
;* ATACylinder - íîìåð íà÷àëüíîãî öèëèíäðà;         *
 153 
;* ATACylinder - íîìåð íà÷àëüíîãî öèëèíäðà;         *
153 
;* ATAHead - íîìåð íà÷àëüíîé ãîëîâêè;               *
 154 
;* ATAHead - íîìåð íà÷àëüíîé ãîëîâêè;               *
154 
;* ATAAddressMode - ðåæèì àäðåñàöèè (0-CHS, 1-LBA); *
 155 
;* ATAAddressMode - ðåæèì àäðåñàöèè (0-CHS, 1-LBA); *
155 
;* ATACommand - êîä êîìàíäû.                        *
 156 
;* ATACommand - êîä êîìàíäû.                        *
156 
;* Ïîñëå óñïåøíîãî âûïîëíåíèÿ ôóíêöèè:              *
 157 
;* Ïîñëå óñïåøíîãî âûïîëíåíèÿ ôóíêöèè:              *
157 
;* â ATABasePortAddr - áàçîâûé àäðåñ HDD;           *
 158 
;* â ATABasePortAddr - áàçîâûé àäðåñ HDD;           *
158 
;* â DevErrorCode - íîëü.                           *
 159 
;* â DevErrorCode - íîëü.                           *
159 
;* Ïðè âîçíèêíîâåíèè îøèáêè â DevErrorCode áóäåò    *
 160 
;* Ïðè âîçíèêíîâåíèè îøèáêè â DevErrorCode áóäåò    *
160 
;* âîçâðàùåí êîä îøèáêè.                            *
 161 
;* âîçâðàùåí êîä îøèáêè.                            *
161 
;****************************************************
 162 
;****************************************************
162 
SendCommandToHDD:
 163 
SendCommandToHDD:
163 
; Ïðîâåðèòü çíà÷åíèå êîäà ðåæèìà
 164 
; Ïðîâåðèòü çíà÷åíèå êîäà ðåæèìà
164 
        cmp     [ATAAddressMode],1
 165 
        cmp     [ATAAddressMode],1
165 
        ja      @@Err2
 166 
        ja      @@Err2
166 
; Ïðîâåðèòü êîððåêòíîñòü íîìåðà êàíàëà
 167 
; Ïðîâåðèòü êîððåêòíîñòü íîìåðà êàíàëà
167 
        mov     BX,[ChannelNumber]
 168 
        mov     BX,[ChannelNumber]
168 
        cmp     BX,1
 169 
        cmp     BX,1
169 
        jb      @@Err3
 170 
        jb      @@Err3
170 
        cmp     BX,2
 171 
        cmp     BX,2
171 
        ja      @@Err3
 172 
        ja      @@Err3
172 
; Óñòàíîâèòü áàçîâûé àäðåñ
 173 
; Óñòàíîâèòü áàçîâûé àäðåñ
173 
        dec     BX
 174 
        dec     BX
174 
        shl     BX,1
 175 
        shl     BX,1
175 
        movzx   ebx,bx
 176 
        movzx   ebx,bx
176 
        mov     AX,[ebx+StandardATABases]
 177 
        mov     AX,[ebx+StandardATABases]
177 
        mov     [ATABasePortAddr],AX
 178 
        mov     [ATABasePortAddr],AX
178 
; Îæèäàíèå ãîòîâíîñòè HDD ê ïðèåìó êîìàíäû
 179 
; Îæèäàíèå ãîòîâíîñòè HDD ê ïðèåìó êîìàíäû
179 
        ; Âûáðàòü íóæíûé äèñê
 180 
        ; Âûáðàòü íóæíûé äèñê
180 
        mov     DX,[ATABasePortAddr]
 181 
        mov     DX,[ATABasePortAddr]
181 
        add     DX,6    ;àäðåñ ðåãèñòðà ãîëîâîê
 182 
        add     DX,6    ;àäðåñ ðåãèñòðà ãîëîâîê
182 
        mov     AL,[DiskNumber]
 183 
        mov     AL,[DiskNumber]
183 
        cmp     AL,1    ;ïðîâåðèòü íîìåðà äèñêà
 184 
        cmp     AL,1    ;ïðîâåðèòü íîìåðà äèñêà
184 
        ja      @@Err4
 185 
        ja      @@Err4
185 
        shl     AL,4
 186 
        shl     AL,4
186 
        or      AL,10100000b
 187 
        or      AL,10100000b
187 
        out     DX,AL
 188 
        out     DX,AL
188 
        ; Îæèäàòü, ïîêà äèñê íå áóäåò ãîòîâ
 189 
        ; Îæèäàòü, ïîêà äèñê íå áóäåò ãîòîâ
189 
        inc     DX
 190 
        inc     DX
190 
        mov  ecx,0xfff
 191 
        mov  ecx,0xfff
191 
;        mov     eax,[timer_ticks]
 192 
;        mov     eax,[timer_ticks]
192 
;        mov     [TickCounter_1],eax
 193 
;        mov     [TickCounter_1],eax
193 
@@WaitHDReady:
 194 
@@WaitHDReady:
194 
        ; Ïðîâåðèòü âðåìÿ îæèäàíè
 195 
        ; Ïðîâåðèòü âðåìÿ îæèäàíè
195 
        dec  ecx
 196 
        dec  ecx
196 
        cmp  ecx,0
 197 
        cmp  ecx,0
197 
        je     @@Err1
 198 
        je     @@Err1
198 
;        mov     eax,[timer_ticks]
 199 
;        mov     eax,[timer_ticks]
199 
;        sub     eax,[TickCounter_1]
 200 
;        sub     eax,[TickCounter_1]
200 
;        cmp     eax,300    ;îæèäàòü 300 òèêîâ
 201 
;        cmp     eax,300    ;îæèäàòü 300 òèêîâ
201 
;        ja      @@Err1   ;îøèáêà òàéì-àóòà
 202 
;        ja      @@Err1   ;îøèáêà òàéì-àóòà
202 
        ; Ïðî÷èòàòü ðåãèñòð ñîñòîÿíè
 203 
        ; Ïðî÷èòàòü ðåãèñòð ñîñòîÿíè
203 
        in      AL,DX
 204 
        in      AL,DX
204 
        ; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà BSY
 205 
        ; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà BSY
205 
        test    AL,80h
 206 
        test    AL,80h
206 
        jnz     @@WaitHDReady
 207 
        jnz     @@WaitHDReady
207 
        ; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà DRQ
 208 
        ; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà DRQ
208 
        test    AL,08h
 209 
        test    AL,08h
209 
        jnz     @@WaitHDReady
 210 
        jnz     @@WaitHDReady
210 
; Çàãðóçèòü êîìàíäó â ðåãèñòðû êîíòðîëëåðà
 211 
; Çàãðóçèòü êîìàíäó â ðåãèñòðû êîíòðîëëåðà
211 
        cli
 212 
        cli
212 
        mov     DX,[ATABasePortAddr]
 213 
        mov     DX,[ATABasePortAddr]
213 
        inc     DX      ;ðåãèñòð "îñîáåííîñòåé"
 214 
        inc     DX      ;ðåãèñòð "îñîáåííîñòåé"
214 
        mov     AL,[ATAFeatures]
 215 
        mov     AL,[ATAFeatures]
215 
        out     DX,AL
 216 
        out     DX,AL
216 
        inc     DX      ;ñ÷åò÷èê ñåêòîðîâ
 217 
        inc     DX      ;ñ÷åò÷èê ñåêòîðîâ
217 
        mov     AL,[ATASectorCount]
 218 
        mov     AL,[ATASectorCount]
218 
        out     DX,AL
 219 
        out     DX,AL
219 
        inc     DX      ;ðåãèñòð íîìåðà ñåêòîðà
 220 
        inc     DX      ;ðåãèñòð íîìåðà ñåêòîðà
220 
        mov     AL,[ATASectorNumber]
 221 
        mov     AL,[ATASectorNumber]
221 
        out     DX,AL
 222 
        out     DX,AL
222 
        inc     DX      ;íîìåð öèëèíäðà (ìëàäøèé áàéò)
 223 
        inc     DX      ;íîìåð öèëèíäðà (ìëàäøèé áàéò)
223 
        mov     AX,[ATACylinder]
 224 
        mov     AX,[ATACylinder]
224 
        out     DX,AL
 225 
        out     DX,AL
225 
        inc     DX      ;íîìåð öèëèíäðà (ñòàðøèé áàéò)
 226 
        inc     DX      ;íîìåð öèëèíäðà (ñòàðøèé áàéò)
226 
        mov     AL,AH
 227 
        mov     AL,AH
227 
        out     DX,AL
 228 
        out     DX,AL
228 
        inc     DX      ;íîìåð ãîëîâêè/íîìåð äèñêà
 229 
        inc     DX      ;íîìåð ãîëîâêè/íîìåð äèñêà
229 
        mov     AL,[DiskNumber]
 230 
        mov     AL,[DiskNumber]
230 
        shl     AL,4
 231 
        shl     AL,4
231 
        cmp     [ATAHead],0Fh ;ïðîâåðèòü íîìåð ãîëîâêè
 232 
        cmp     [ATAHead],0Fh ;ïðîâåðèòü íîìåð ãîëîâêè
232 
        ja      @@Err5
 233 
        ja      @@Err5
233 
        or      AL,[ATAHead]
 234 
        or      AL,[ATAHead]
234 
        or      AL,10100000b
 235 
        or      AL,10100000b
235 
        mov     AH,[ATAAddressMode]
 236 
        mov     AH,[ATAAddressMode]
236 
        shl     AH,6
 237 
        shl     AH,6
237 
        or      AL,AH
 238 
        or      AL,AH
238 
        out     DX,AL
 239 
        out     DX,AL
239 
; Ïîñëàòü êîìàíäó
 240 
; Ïîñëàòü êîìàíäó
240 
        mov     AL,[ATACommand]
 241 
        mov     AL,[ATACommand]
241 
        inc     DX      ;ðåãèñòð êîìàíä
 242 
        inc     DX      ;ðåãèñòð êîìàíä
242 
        out     DX,AL
 243 
        out     DX,AL
243 
        sti
 244 
        sti
244 
; Ñáðîñèòü ïðèçíàê îøèáêè
 245 
; Ñáðîñèòü ïðèçíàê îøèáêè
245 
        mov     [DevErrorCode],0
 246 
        mov     [DevErrorCode],0
246 
        jmp @@End_2
 247 
        jmp @@End_2
247 
; Çàïèñàòü êîä îøèáêè
 248 
; Çàïèñàòü êîä îøèáêè
248 
@@Err1: mov     [DevErrorCode],1
 249 
@@Err1: mov     [DevErrorCode],1
249 
        jmp @@End_2
 250 
        jmp @@End_2
250 
@@Err2: mov     [DevErrorCode],2
 251 
@@Err2: mov     [DevErrorCode],2
251 
        jmp @@End_2
 252 
        jmp @@End_2
252 
@@Err3: mov     [DevErrorCode],3
 253 
@@Err3: mov     [DevErrorCode],3
253 
        jmp @@End_2
 254 
        jmp @@End_2
254 
@@Err4: mov     [DevErrorCode],4
 255 
@@Err4: mov     [DevErrorCode],4
255 
        jmp @@End_2
 256 
        jmp @@End_2
256 
@@Err5: mov     [DevErrorCode],5
 257 
@@Err5: mov     [DevErrorCode],5
257 
; Çàâåðøåíèå ðàáîòû ïðîãðàììû
 258 
; Çàâåðøåíèå ðàáîòû ïðîãðàììû
258 
@@End_2:
 259 
@@End_2:
259 
        ret
 260 
        ret
260 
 
 261 
 
261 
;*************************************************
 262 
;*************************************************
262 
;*     ×ÒÅÍÈÅ ÈÄÅÍÒÈÔÈÊÀÒÎÐÀ ÓÑÒÐÎÉÑÒÂÀ ATAPI    *
 263 
;*     ×ÒÅÍÈÅ ÈÄÅÍÒÈÔÈÊÀÒÎÐÀ ÓÑÒÐÎÉÑÒÂÀ ATAPI    *
263 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
 264 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
264 
;* ïåðìåííûå:                                    *
 265 
;* ïåðìåííûå:                                    *
265 
;* ChannelNumber - íîìåð êàíàëà;                 *
 266 
;* ChannelNumber - íîìåð êàíàëà;                 *
266 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
 267 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
267 
;* Èäåíòèôèêàöèîííûé áëîê äàííûõ ñ÷èòûâàåòñÿ     *
 268 
;* Èäåíòèôèêàöèîííûé áëîê äàííûõ ñ÷èòûâàåòñÿ     *
268 
;* â ìàññèâ Sector512.                           *
 269 
;* â ìàññèâ Sector512.                           *
269 
;*************************************************
 270 
;*************************************************
270 
ReadCD_ID:
 271 
ReadCD_ID:
271 
; Çàäàòü ðåæèì CHS
 272 
; Çàäàòü ðåæèì CHS
272 
        mov     [ATAAddressMode],0
 273 
        mov     [ATAAddressMode],0
273 
; Ïîñëàòü êîìàíäó èäåíòèôèêàöèè óñòðîéñòâà
 274 
; Ïîñëàòü êîìàíäó èäåíòèôèêàöèè óñòðîéñòâà
274 
        mov     [ATAFeatures],0
 275 
        mov     [ATAFeatures],0
275 
        mov     [ATASectorCount],0
 276 
        mov     [ATASectorCount],0
276 
        mov     [ATASectorNumber],0
 277 
        mov     [ATASectorNumber],0
277 
        mov     [ATACylinder],0
 278 
        mov     [ATACylinder],0
278 
        mov     [ATAHead],0
 279 
        mov     [ATAHead],0
279 
        mov     [ATACommand],0A1h
 280 
        mov     [ATACommand],0A1h
280 
        call    SendCommandToHDD
 281 
        call    SendCommandToHDD
281 
        cmp     [DevErrorCode],0 ;ïðîâåðèòü êîä îøèáêè
 282 
        cmp     [DevErrorCode],0 ;ïðîâåðèòü êîä îøèáêè
282 
        jne     @@End_1  ;çàêîí÷èòü, ñîõðàíèâ êîä îøèáêè
 283 
        jne     @@End_1  ;çàêîí÷èòü, ñîõðàíèâ êîä îøèáêè
283 
; Îæèäàòü ãîòîâíîñòü äàííûõ HDD
 284 
; Îæèäàòü ãîòîâíîñòü äàííûõ HDD
284 
        mov     DX,[ATABasePortAddr]
 285 
        mov     DX,[ATABasePortAddr]
285 
        add     DX,7   ;ïîðò 1õ7h
 286 
        add     DX,7   ;ïîðò 1õ7h
286 
        mov  ecx,0xffff
 287 
        mov  ecx,0xffff
287 
@@WaitCompleet_1:
 288 
@@WaitCompleet_1:
288 
        ; Ïðîâåðèòü âðåì
 289 
        ; Ïðîâåðèòü âðåì
289 
        dec  ecx
 290 
        dec  ecx
290 
        cmp  ecx,0
 291 
        cmp  ecx,0
291 
        je     @@Error1_1  ;îøèáêà òàéì-àóòà
 292 
        je     @@Error1_1  ;îøèáêà òàéì-àóòà
292 
        ; Ïðîâåðèòü ãîòîâíîñòü
 293 
        ; Ïðîâåðèòü ãîòîâíîñòü
293 
        in      AL,DX
 294 
        in      AL,DX
294 
        test    AL,80h   ;ñîñòîÿíèå ñèãíàëà BSY
 295 
        test    AL,80h   ;ñîñòîÿíèå ñèãíàëà BSY
295 
        jnz     @@WaitCompleet_1
 296 
        jnz     @@WaitCompleet_1
296 
        test    AL,1     ;ñîñòîÿíèå ñèãíàëà ERR
 297 
        test    AL,1     ;ñîñòîÿíèå ñèãíàëà ERR
297 
        jnz     @@Error6_1
 298 
        jnz     @@Error6_1
298 
        test    AL,08h   ;ñîñòîÿíèå ñèãíàëà DRQ
 299 
        test    AL,08h   ;ñîñòîÿíèå ñèãíàëà DRQ
299 
        jz      @@WaitCompleet_1
 300 
        jz      @@WaitCompleet_1
300 
; Ïðèíÿòü áëîê äàííûõ îò êîíòðîëëåðà
 301 
; Ïðèíÿòü áëîê äàííûõ îò êîíòðîëëåðà
301 
;        mov     AX,DS
 302 
;        mov     AX,DS
302 
;        mov     ES,AX
 303 
;        mov     ES,AX
303 
        mov     EDI,Sector512  ;offset Sector512
 304 
        mov     EDI,Sector512  ;offset Sector512
304 
        mov     DX,[ATABasePortAddr] ;ïîðò 1x0h
 305 
        mov     DX,[ATABasePortAddr] ;ïîðò 1x0h
305 
        mov     CX,256 ;÷èñëî ñ÷èòûâàåìûõ ñëîâ
 306 
        mov     CX,256 ;÷èñëî ñ÷èòûâàåìûõ ñëîâ
306 
        rep     insw
 307 
        rep     insw
307 
        jmp @@End_1
 308 
        jmp @@End_1
308 
; Çàïèñàòü êîä îøèáêè
 309 
; Çàïèñàòü êîä îøèáêè
309 
@@Error1_1:
 310 
@@Error1_1:
310 
        mov     [DevErrorCode],1
 311 
        mov     [DevErrorCode],1
311 
        jmp @@End_1
 312 
        jmp @@End_1
312 
@@Error6_1:
 313 
@@Error6_1:
313 
        mov     [DevErrorCode],6
 314 
        mov     [DevErrorCode],6
314 
@@End_1:
 315 
@@End_1:
315 
        ret
 316 
        ret
316 
 
 317 
 
317 
;*************************************************
 318 
;*************************************************
318 
;*                ÑÁÐÎÑ ÓÑÒÐÎÉÑÒÂÀ               *
 319 
;*                ÑÁÐÎÑ ÓÑÒÐÎÉÑÒÂÀ               *
319 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
 320 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
320 
;* ïåðåìåííûå:                                   *
 321 
;* ïåðåìåííûå:                                   *
321 
;* ChannelNumber - íîìåð êàíàëà (1 èëè 2);       *
 322 
;* ChannelNumber - íîìåð êàíàëà (1 èëè 2);       *
322 
;* DiskNumber - íîìåð äèñêà (0 èëè 1).           *
 323 
;* DiskNumber - íîìåð äèñêà (0 èëè 1).           *
323 
;*************************************************
 324 
;*************************************************
324 
DeviceReset:
 325 
DeviceReset:
325 
; Ïðîâåðèòü êîððåêòíîñòü íîìåðà êàíàëà
 326 
; Ïðîâåðèòü êîððåêòíîñòü íîìåðà êàíàëà
326 
        mov     BX,[ChannelNumber]
 327 
        mov     BX,[ChannelNumber]
327 
        cmp     BX,1
 328 
        cmp     BX,1
328 
        jb      @@Err3_2
 329 
        jb      @@Err3_2
329 
        cmp     BX,2
 330 
        cmp     BX,2
330 
        ja      @@Err3_2
 331 
        ja      @@Err3_2
331 
; Óñòàíîâèòü áàçîâûé àäðåñ
 332 
; Óñòàíîâèòü áàçîâûé àäðåñ
332 
        dec     BX
 333 
        dec     BX
333 
        shl     BX,1
 334 
        shl     BX,1
334 
        movzx   ebx,bx
 335 
        movzx   ebx,bx
335 
        mov     DX,[ebx+StandardATABases]
 336 
        mov     DX,[ebx+StandardATABases]
336 
        mov     [ATABasePortAddr],DX
 337 
        mov     [ATABasePortAddr],DX
337 
; Âûáðàòü íóæíûé äèñê
 338 
; Âûáðàòü íóæíûé äèñê
338 
        add     DX,6    ;àäðåñ ðåãèñòðà ãîëîâîê
 339 
        add     DX,6    ;àäðåñ ðåãèñòðà ãîëîâîê
339 
        mov     AL,[DiskNumber]
 340 
        mov     AL,[DiskNumber]
340 
        cmp     AL,1    ;ïðîâåðèòü íîìåðà äèñêà
 341 
        cmp     AL,1    ;ïðîâåðèòü íîìåðà äèñêà
341 
        ja      @@Err4_2
 342 
        ja      @@Err4_2
342 
        shl     AL,4
 343 
        shl     AL,4
343 
        or      AL,10100000b
 344 
        or      AL,10100000b
344 
        out     DX,AL
 345 
        out     DX,AL
345 
; Ïîñëàòü êîìàíäó "Ñáðîñ"
 346 
; Ïîñëàòü êîìàíäó "Ñáðîñ"
346 
        mov     AL,08h
 347 
        mov     AL,08h
347 
        inc     DX      ;ðåãèñòð êîìàíä
 348 
        inc     DX      ;ðåãèñòð êîìàíä
348 
        out     DX,AL
 349 
        out     DX,AL
349 
        mov     ecx,0x80000
 350 
        mov     ecx,0x80000
350 
@@WaitHDReady_1:
 351 
@@WaitHDReady_1:
351 
        ; Ïðîâåðèòü âðåìÿ îæèäàíè
 352 
        ; Ïðîâåðèòü âðåìÿ îæèäàíè
352 
        dec     ecx
 353 
        dec     ecx
353 
        cmp     ecx,0
 354 
        cmp     ecx,0
354 
        je      @@Err1_2 ;îøèáêà òàéì-àóòà
 355 
        je      @@Err1_2 ;îøèáêà òàéì-àóòà
355 
        ; Ïðî÷èòàòü ðåãèñòð ñîñòîÿíè
 356 
        ; Ïðî÷èòàòü ðåãèñòð ñîñòîÿíè
356 
        in      AL,DX
 357 
        in      AL,DX
357 
        ; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà BSY
 358 
        ; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà BSY
358 
        test    AL,80h
 359 
        test    AL,80h
359 
        jnz     @@WaitHDReady_1
 360 
        jnz     @@WaitHDReady_1
360 
; Ñáðîñèòü ïðèçíàê îøèáêè
 361 
; Ñáðîñèòü ïðèçíàê îøèáêè
361 
        mov     [DevErrorCode],0
 362 
        mov     [DevErrorCode],0
362 
        jmp @@End_3
 363 
        jmp @@End_3
363 
; Îáðàáîòêà îøèáîê
 364 
; Îáðàáîòêà îøèáîê
364 
@@Err1_2: mov     [DevErrorCode],1
 365 
@@Err1_2: mov     [DevErrorCode],1
365 
        jmp @@End_3
 366 
        jmp @@End_3
366 
@@Err3_2: mov     [DevErrorCode],3
 367 
@@Err3_2: mov     [DevErrorCode],3
367 
        jmp @@End_3
 368 
        jmp @@End_3
368 
@@Err4_2: mov     [DevErrorCode],4
 369 
@@Err4_2: mov     [DevErrorCode],4
369 
; Çàïèñàòü êîä îøèáêè
 370 
; Çàïèñàòü êîä îøèáêè
370 
@@End_3:
 371 
@@End_3:
371 
        ret
 372 
        ret
372 
 
 373 
 
373 
EndFindHDD:
 374 
EndFindHDD: