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Rev 2288 Rev 2455
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;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
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;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;; Distributed under terms of the GNU General Public License    ;;
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 7 
 
8 
$Revision: 2288 $
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$Revision: 2455 $
9 
 
 9 
 
10 
 
 10 
 
11 
;**********************************************************
 11 
;**********************************************************
12 
;  Íåïîñðåäñòâåííàÿ ðàáîòà ñ óñòðîéñòâîì ÑD (ATAPI)
 12 
;  Íåïîñðåäñòâåííàÿ ðàáîòà ñ óñòðîéñòâîì ÑD (ATAPI)
13 
;**********************************************************
 13 
;**********************************************************
14 
; Àâòîð ÷àñòè èñõîäíîãî òåêñòà Êóëàêîâ Âëàäèìèð Ãåííàäüåâè÷
 14 
; Àâòîð ÷àñòè èñõîäíîãî òåêñòà Êóëàêîâ Âëàäèìèð Ãåííàäüåâè÷
15 
; Àäàïòàöèÿ, äîðàáîòêà è ðàçðàáîòêà Mario79,
 15 
; Àäàïòàöèÿ, äîðàáîòêà è ðàçðàáîòêà Mario79,
16 
 
 16 
 
17 
; Ìàêñèìàëüíîå êîëè÷åñòâî ïîâòîðåíèé îïåðàöèè ÷òåíèÿ
 17 
; Ìàêñèìàëüíîå êîëè÷åñòâî ïîâòîðåíèé îïåðàöèè ÷òåíèÿ
18 
MaxRetr equ 10
 18 
MaxRetr equ 10
19 
; Ïðåäåëüíîå âðåìÿ îæèäàíèÿ ãîòîâíîñòè ê ïðèåìó êîìàíäû
 19 
; Ïðåäåëüíîå âðåìÿ îæèäàíèÿ ãîòîâíîñòè ê ïðèåìó êîìàíäû
20 
; (â òèêàõ)
 20 
; (â òèêàõ)
21 
BSYWaitTime equ 1000  ;2
 21 
BSYWaitTime equ 1000  ;2
22 
NoTickWaitTime equ 0xfffff
 22 
NoTickWaitTime equ 0xfffff
23 
CDBlockSize equ 2048
 23 
CDBlockSize equ 2048
24 
;********************************************
 24 
;********************************************
25 
;*        ×ÒÅÍÈÅ ÑÅÊÒÎÐÀ Ñ ÏÎÂÒÎÐÀÌÈ        *
 25 
;*        ×ÒÅÍÈÅ ÑÅÊÒÎÐÀ Ñ ÏÎÂÒÎÐÀÌÈ        *
26 
;* Ìíîãîêðàòíîå ïîâòîðåíèå ÷òåíèÿ ïðè ñáîÿõ *
 26 
;* Ìíîãîêðàòíîå ïîâòîðåíèå ÷òåíèÿ ïðè ñáîÿõ *
27 
;********************************************
 27 
;********************************************
28 
ReadCDWRetr:
 28 
ReadCDWRetr:
29 
;-----------------------------------------------------------
 29 
;-----------------------------------------------------------
30 
; input  : eax = block to read
 30 
; input  : eax = block to read
31 
;          ebx = destination
 31 
;          ebx = destination
32 
;-----------------------------------------------------------
 32 
;-----------------------------------------------------------
33 
        pushad
 33 
        pushad
34 
        mov     eax, [CDSectorAddress]
 34 
        mov     eax, [CDSectorAddress]
35 
        mov     ebx, [CDDataBuf_pointer]
 35 
        mov     ebx, [CDDataBuf_pointer]
36 
        call    cd_calculate_cache
 36 
        call    cd_calculate_cache
37 
        xor     edi, edi
 37 
        xor     edi, edi
38 
        add     esi, 8
 38 
        add     esi, 8
39 
        inc     edi
 39 
        inc     edi
40 
.hdreadcache:
 40 
.hdreadcache:
41 
;    cmp   dword [esi+4],0       ; empty
 41 
;    cmp   dword [esi+4],0       ; empty
42 
;    je    .nohdcache
 42 
;    je    .nohdcache
43 
        cmp     [esi], eax      ; correct sector
 43 
        cmp     [esi], eax      ; correct sector
44 
        je      .yeshdcache
 44 
        je      .yeshdcache
45 
.nohdcache:
 45 
.nohdcache:
46 
        add     esi, 8
 46 
        add     esi, 8
47 
        inc     edi
 47 
        inc     edi
48 
        dec     ecx
 48 
        dec     ecx
49 
        jnz     .hdreadcache
 49 
        jnz     .hdreadcache
50 
        call    find_empty_slot_CD_cache ; ret in edi
 50 
        call    find_empty_slot_CD_cache ; ret in edi
51 
 
 51 
 
52 
        push    edi
 52 
        push    edi
53 
        push    eax
 53 
        push    eax
54 
        call    cd_calculate_cache_2
 54 
        call    cd_calculate_cache_2
55 
        shl     edi, 11
 55 
        shl     edi, 11
56 
        add     edi, eax
 56 
        add     edi, eax
57 
        mov     [CDDataBuf_pointer], edi
 57 
        mov     [CDDataBuf_pointer], edi
58 
        pop     eax
 58 
        pop     eax
59 
        pop     edi
 59 
        pop     edi
60 
 
 60 
 
61 
        call    ReadCDWRetr_1
 61 
        call    ReadCDWRetr_1
62 
        cmp     [DevErrorCode], 0
 62 
        cmp     [DevErrorCode], 0
63 
        jne     .exit
 63 
        jne     .exit
64 
 
 64 
 
65 
        mov     [CDDataBuf_pointer], ebx
 65 
        mov     [CDDataBuf_pointer], ebx
66 
        call    cd_calculate_cache_1
 66 
        call    cd_calculate_cache_1
67 
        lea     esi, [edi*8+esi]
 67 
        lea     esi, [edi*8+esi]
68 
        mov     [esi], eax      ; sector number
 68 
        mov     [esi], eax      ; sector number
69 
;    mov   dword [esi+4],1       ; hd read - mark as same as in hd
 69 
;    mov   dword [esi+4],1       ; hd read - mark as same as in hd
70 
.yeshdcache:
 70 
.yeshdcache:
71 
        mov     esi, edi
 71 
        mov     esi, edi
72 
        shl     esi, 11;9
 72 
        shl     esi, 11;9
73 
        push    eax
 73 
        push    eax
74 
        call    cd_calculate_cache_2
 74 
        call    cd_calculate_cache_2
75 
        add     esi, eax
 75 
        add     esi, eax
76 
        pop     eax
 76 
        pop     eax
77 
        mov     edi, ebx;[CDDataBuf_pointer]
 77 
        mov     edi, ebx;[CDDataBuf_pointer]
78 
        mov     ecx, 512;/4
 78 
        mov     ecx, 512;/4
79 
        cld
 79 
        cld
80 
        rep movsd               ; move data
 80 
        rep movsd               ; move data
81 
.exit:
 81 
.exit:
82 
        popad
 82 
        popad
83 
        ret
 83 
        ret
84 
 
 84 
 
85 
ReadCDWRetr_1:
 85 
ReadCDWRetr_1:
86 
        pushad
 86 
        pushad
87 
 
 87 
 
88 
; Öèêë, ïîêà êîìàíäà íå âûïîëíåíà óñïåøíî èëè íå
 88 
; Öèêë, ïîêà êîìàíäà íå âûïîëíåíà óñïåøíî èëè íå
89 
; èñ÷åðïàíî êîëè÷åñòâî ïîïûòîê
 89 
; èñ÷åðïàíî êîëè÷åñòâî ïîïûòîê
90 
        mov     ECX, MaxRetr
 90 
        mov     ECX, MaxRetr
91 
@@NextRetr:
 91 
@@NextRetr:
92 
; Ïîäàòü êîìàíäó
 92 
; Ïîäàòü êîìàíäó
93 
;*************************************************
 93 
;*************************************************
94 
;*      ÏÎËÍÎÅ ×ÒÅÍÈÅ ÑÅÊÒÎÐÀ ÊÎÌÏÀÊÒ-ÄÈÑÊÀ      *
 94 
;*      ÏÎËÍÎÅ ×ÒÅÍÈÅ ÑÅÊÒÎÐÀ ÊÎÌÏÀÊÒ-ÄÈÑÊÀ      *
95 
;* Ñ÷èòûâàþòñÿ äàííûå ïîëüçîâàòåëÿ, èíôîðìàöèÿ   *
 95 
;* Ñ÷èòûâàþòñÿ äàííûå ïîëüçîâàòåëÿ, èíôîðìàöèÿ   *
96 
;* ñóáêàíàëà è êîíòðîëüíàÿ èíôîðìàöèÿ            *
 96 
;* ñóáêàíàëà è êîíòðîëüíàÿ èíôîðìàöèÿ            *
97 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
 97 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
98 
;* ïåðìåííûå:                                    *
 98 
;* ïåðìåííûå:                                    *
99 
;* ChannelNumber - íîìåð êàíàëà;                 *
 99 
;* ChannelNumber - íîìåð êàíàëà;                 *
100 
;* DiskNumber - íîìåð äèñêà íà êàíàëå;           *
 100 
;* DiskNumber - íîìåð äèñêà íà êàíàëå;           *
101 
;* CDSectorAddress - àäðåñ ñ÷èòûâàåìîãî ñåêòîðà. *
 101 
;* CDSectorAddress - àäðåñ ñ÷èòûâàåìîãî ñåêòîðà. *
102 
;* Äàííûå ñ÷èòûâàåòñÿ â ìàññèâ CDDataBuf.        *
 102 
;* Äàííûå ñ÷èòûâàåòñÿ â ìàññèâ CDDataBuf.        *
103 
;*************************************************
 103 
;*************************************************
104 
;ReadCD:
 104 
;ReadCD:
105 
        push    ecx
 105 
        push    ecx
106 
;        pusha
 106 
;        pusha
107 
; Çàäàòü ðàçìåð ñåêòîðà
 107 
; Çàäàòü ðàçìåð ñåêòîðà
108 
;        mov       [CDBlockSize],2048 ;2352
 108 
;        mov       [CDBlockSize],2048 ;2352
109 
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
 109 
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
110 
        call    clear_packet_buffer
 110 
        call    clear_packet_buffer
111 
; Ñôîðìèðîâàòü ïàêåòíóþ êîìàíäó äëÿ ñ÷èòûâàíèÿ
 111 
; Ñôîðìèðîâàòü ïàêåòíóþ êîìàíäó äëÿ ñ÷èòûâàíèÿ
112 
; ñåêòîðà äàííûõ
 112 
; ñåêòîðà äàííûõ
113 
; Çàäàòü êîä êîìàíäû Read CD
 113 
; Çàäàòü êîä êîìàíäû Read CD
114 
        mov     [PacketCommand], byte 0x28;0xBE
 114 
        mov     [PacketCommand], byte 0x28;0xBE
115 
; Çàäàòü àäðåñ ñåêòîðà
 115 
; Çàäàòü àäðåñ ñåêòîðà
116 
        mov     AX, word [CDSectorAddress+2]
 116 
        mov     AX, word [CDSectorAddress+2]
117 
        xchg    AL, AH
 117 
        xchg    AL, AH
118 
        mov     word [PacketCommand+2], AX
 118 
        mov     word [PacketCommand+2], AX
119 
        mov     AX, word [CDSectorAddress]
 119 
        mov     AX, word [CDSectorAddress]
120 
        xchg    AL, AH
 120 
        xchg    AL, AH
121 
        mov     word [PacketCommand+4], AX
 121 
        mov     word [PacketCommand+4], AX
122 
;        mov   eax,[CDSectorAddress]
 122 
;        mov   eax,[CDSectorAddress]
123 
;        mov   [PacketCommand+2],eax
 123 
;        mov   [PacketCommand+2],eax
124 
; Çàäàòü êîëè÷åñòâî ñ÷èòûâàåìûõ ñåêòîðîâ
 124 
; Çàäàòü êîëè÷åñòâî ñ÷èòûâàåìûõ ñåêòîðîâ
125 
        mov     [PacketCommand+8], byte 1
 125 
        mov     [PacketCommand+8], byte 1
126 
; Çàäàòü ñ÷èòûâàíèå äàííûõ â ïîëíîì îáúåìå
 126 
; Çàäàòü ñ÷èòûâàíèå äàííûõ â ïîëíîì îáúåìå
127 
;        mov     [PacketCommand+9],byte 0xF8
 127 
;        mov     [PacketCommand+9],byte 0xF8
128 
; Ïîäàòü êîìàíäó
 128 
; Ïîäàòü êîìàíäó
129 
        call    SendPacketDatCommand
 129 
        call    SendPacketDatCommand
130 
        pop     ecx
 130 
        pop     ecx
131 
;        ret
 131 
;        ret
132 
 
 132 
 
133 
;        cmp       [DevErrorCode],0
 133 
;        cmp       [DevErrorCode],0
134 
        test    eax, eax
 134 
        test    eax, eax
135 
        jz      @@End_4
 135 
        jz      @@End_4
136 
 
 136 
 
137 
        or      ecx, ecx        ;{SPraid.simba} (for cd load)
 137 
        or      ecx, ecx        ;{SPraid.simba} (for cd load)
138 
        jz      @@End_4
 138 
        jz      @@End_4
139 
        dec     ecx
 139 
        dec     ecx
140 
 
 140 
 
141 
        cmp     [timer_ticks_enable], 0
 141 
        cmp     [timer_ticks_enable], 0
142 
        jne     @f
 142 
        jne     @f
143 
        mov     eax, NoTickWaitTime
 143 
        mov     eax, NoTickWaitTime
144 
.wait:
 144 
.wait:
145 
        dec     eax
 145 
        dec     eax
146 
;        test  eax,eax
 146 
;        test  eax,eax
147 
        jz      @@NextRetr
 147 
        jz      @@NextRetr
148 
        jmp     .wait
 148 
        jmp     .wait
149 
@@:
 149 
@@:
150 
; Çàäåðæêà íà 2,5 ñåêóíäû
 150 
; Çàäåðæêà íà 2,5 ñåêóíäû
151 
;       mov     EAX,[timer_ticks]
 151 
;       mov     EAX,[timer_ticks]
152 
;       add     EAX,50  ;250
 152 
;       add     EAX,50  ;250
153 
;@@Wait:
 153 
;@@Wait:
154 
;       call    change_task
 154 
;       call    change_task
155 
;       cmp     EAX,[timer_ticks]
 155 
;       cmp     EAX,[timer_ticks]
156 
;       ja      @@Wait
 156 
;       ja      @@Wait
157 
        loop    @@NextRetr
 157 
        loop    @@NextRetr
158 
@@End_4:
 158 
@@End_4:
159 
        mov     dword [DevErrorCode], eax
 159 
        mov     dword [DevErrorCode], eax
160 
        popad
 160 
        popad
161 
        ret
 161 
        ret
162 
 
 162 
 
163 
 
 163 
 
164 
; Óíèâåðñàëüíûå ïðîöåäóðû, îáåñïå÷èâàþùèå âûïîëíåíèå
 164 
; Óíèâåðñàëüíûå ïðîöåäóðû, îáåñïå÷èâàþùèå âûïîëíåíèå
165 
;             ïàêåòíûõ êîìàíä â ðåæèìå PIO
 165 
;             ïàêåòíûõ êîìàíä â ðåæèìå PIO
166 
 
 166 
 
167 
; Ìàêñèìàëüíî äîïóñòèìîå âðåìÿ îæèäàíèÿ ðåàêöèè
 167 
; Ìàêñèìàëüíî äîïóñòèìîå âðåìÿ îæèäàíèÿ ðåàêöèè
168 
; óñòðîéñòâà íà ïàêåòíóþ êîìàíäó (â òèêàõ)
 168 
; óñòðîéñòâà íà ïàêåòíóþ êîìàíäó (â òèêàõ)
169 
 
 169 
 
170 
MaxCDWaitTime equ 1000 ;200 ;10 ñåêóíä
 170 
MaxCDWaitTime equ 1000 ;200 ;10 ñåêóíä
171 
uglobal
 171 
uglobal
172 
; Îáëàñòü ïàìÿòè äëÿ ôîðìèðîâàíèÿ ïàêåòíîé êîìàíäû
 172 
; Îáëàñòü ïàìÿòè äëÿ ôîðìèðîâàíèÿ ïàêåòíîé êîìàíäû
173 
PacketCommand:
 173 
PacketCommand:
174 
                 rb 12  ;DB 12 DUP (?)
 174 
                 rb 12  ;DB 12 DUP (?)
175 
; Îáëàñòü ïàìÿòè äëÿ ïðèåìà äàííûõ îò äèñêîâîäà
 175 
; Îáëàñòü ïàìÿòè äëÿ ïðèåìà äàííûõ îò äèñêîâîäà
176 
;CDDataBuf       DB 4096 DUP (0)
 176 
;CDDataBuf       DB 4096 DUP (0)
177 
; Ðàçìåð ïðèíèìàåìîãî áëîêà äàííûõ â áàéòàõ
 177 
; Ðàçìåð ïðèíèìàåìîãî áëîêà äàííûõ â áàéòàõ
178 
;CDBlockSize     DW ?
 178 
;CDBlockSize     DW ?
179 
; Àäðåñ ñ÷èòûâàåìîãî ñåêòîðà äàííûõ
 179 
; Àäðåñ ñ÷èòûâàåìîãî ñåêòîðà äàííûõ
180 
CDSectorAddress:
 180 
CDSectorAddress:
181 
                 DD ?
 181 
                 DD ?
182 
; Âðåìÿ íà÷àëà î÷åðåäíîé îïåðàöèè ñ äèñêîì
 182 
; Âðåìÿ íà÷àëà î÷åðåäíîé îïåðàöèè ñ äèñêîì
183 
TickCounter_1 DD 0
 183 
TickCounter_1 DD 0
184 
; Âðåìÿ íà÷àëà îæèäàíèÿ ãîòîâíîñòè óñòðîéñòâà
 184 
; Âðåìÿ íà÷àëà îæèäàíèÿ ãîòîâíîñòè óñòðîéñòâà
185 
WURStartTime DD 0
 185 
WURStartTime DD 0
186 
; óêàçàòåëü áóôåðà äëÿ ñ÷èòûâàíèÿ
 186 
; óêàçàòåëü áóôåðà äëÿ ñ÷èòûâàíèÿ
187 
CDDataBuf_pointer dd 0
 187 
CDDataBuf_pointer dd 0
188 
endg
 188 
endg
189 
;****************************************************
 189 
;****************************************************
190 
;*    ÏÎÑËÀÒÜ ÓÑÒÐÎÉÑÒÂÓ ATAPI ÏÀÊÅÒÍÓÞ ÊÎÌÀÍÄÓ,    *
 190 
;*    ÏÎÑËÀÒÜ ÓÑÒÐÎÉÑÒÂÓ ATAPI ÏÀÊÅÒÍÓÞ ÊÎÌÀÍÄÓ,    *
191 
;* ÏÐÅÄÓÑÌÀÒÐÈÂÀÞÙÓÞ ÏÅÐÅÄÀ×Ó ÎÄÍÎÃÎ ÑÅÊÒÎÐÀ ÄÀÍÍÛÕ *
 191 
;* ÏÐÅÄÓÑÌÀÒÐÈÂÀÞÙÓÞ ÏÅÐÅÄÀ×Ó ÎÄÍÎÃÎ ÑÅÊÒÎÐÀ ÄÀÍÍÛÕ *
192 
;*     ÐÀÇÌÅÐÎÌ 2048 ÁÀÉÒ ÎÒ ÓÑÒÐÎÉÑÒÂÀ Ê ÕÎÑÒÓ     *
 192 
;*     ÐÀÇÌÅÐÎÌ 2048 ÁÀÉÒ ÎÒ ÓÑÒÐÎÉÑÒÂÀ Ê ÕÎÑÒÓ     *
193 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå    *
 193 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå    *
194 
;* ïåðìåííûå:                                       *
 194 
;* ïåðìåííûå:                                       *
195 
;* ChannelNumber - íîìåð êàíàëà;                    *
 195 
;* ChannelNumber - íîìåð êàíàëà;                    *
196 
;* DiskNumber - íîìåð äèñêà íà êàíàëå;              *
 196 
;* DiskNumber - íîìåð äèñêà íà êàíàëå;              *
197 
;* PacketCommand - 12-áàéòíûé êîìàíäíûé ïàêåò;      *
 197 
;* PacketCommand - 12-áàéòíûé êîìàíäíûé ïàêåò;      *
198 
;* CDBlockSize - ðàçìåð ïðèíèìàåìîãî áëîêà äàííûõ.  *
 198 
;* CDBlockSize - ðàçìåð ïðèíèìàåìîãî áëîêà äàííûõ.  *
199 
; return eax DevErrorCode
 199 
; return eax DevErrorCode
200 
;****************************************************
 200 
;****************************************************
201 
SendPacketDatCommand:
 201 
SendPacketDatCommand:
202 
        xor     eax, eax
 202 
        xor     eax, eax
203 
;        mov    byte [DevErrorCode],al
 203 
;        mov    byte [DevErrorCode],al
204 
; Çàäàòü ðåæèì CHS
 204 
; Çàäàòü ðåæèì CHS
205 
        mov     byte [ATAAddressMode], al
 205 
        mov     byte [ATAAddressMode], al
206 
; Ïîñëàòü ATA-êîìàíäó ïåðåäà÷è ïàêåòíîé êîìàíäû
 206 
; Ïîñëàòü ATA-êîìàíäó ïåðåäà÷è ïàêåòíîé êîìàíäû
207 
        mov     byte [ATAFeatures], al
 207 
        mov     byte [ATAFeatures], al
208 
        mov     byte [ATASectorCount], al
 208 
        mov     byte [ATASectorCount], al
209 
        mov     byte [ATASectorNumber], al
 209 
        mov     byte [ATASectorNumber], al
210 
        ; Çàãðóçèòü ðàçìåð ïåðåäàâàåìîãî áëîêà
 210 
        ; Çàãðóçèòü ðàçìåð ïåðåäàâàåìîãî áëîêà
211 
        mov     [ATAHead], al
 211 
        mov     [ATAHead], al
212 
;        mov     AX,[CDBlockSize]
 212 
;        mov     AX,[CDBlockSize]
213 
        mov     [ATACylinder], CDBlockSize
 213 
        mov     [ATACylinder], CDBlockSize
214 
        mov     [ATACommand], 0A0h
 214 
        mov     [ATACommand], 0A0h
215 
        call    SendCommandToHDD_1
 215 
        call    SendCommandToHDD_1
216 
        test    eax, eax
 216 
        test    eax, eax
217 
;        cmp     [DevErrorCode],0 ;ïðîâåðèòü êîä îøèáêè
 217 
;        cmp     [DevErrorCode],0 ;ïðîâåðèòü êîä îøèáêè
218 
        jnz     @@End_8    ;çàêîí÷èòü, ñîõðàíèâ êîä îøèáêè
 218 
        jnz     @@End_8    ;çàêîí÷èòü, ñîõðàíèâ êîä îøèáêè
219 
 
 219 
 
220 
; Îæèäàíèå ãîòîâíîñòè äèñêîâîäà ê ïðèåìó
 220 
; Îæèäàíèå ãîòîâíîñòè äèñêîâîäà ê ïðèåìó
221 
; ïàêåòíîé êîìàíäû
 221 
; ïàêåòíîé êîìàíäû
222 
        mov     DX, [ATABasePortAddr]
 222 
        mov     DX, [ATABasePortAddr]
223 
        add     DX, 7    ;ïîðò 1õ7h
 223 
        add     DX, 7    ;ïîðò 1õ7h
224 
        mov     ecx, NoTickWaitTime
 224 
        mov     ecx, NoTickWaitTime
225 
@@WaitDevice0:
 225 
@@WaitDevice0:
226 
        cmp     [timer_ticks_enable], 0
 226 
        cmp     [timer_ticks_enable], 0
227 
        jne     @f
 227 
        jne     @f
228 
        dec     ecx
 228 
        dec     ecx
229 
;        test    ecx,ecx
 229 
;        test    ecx,ecx
230 
        jz      @@Err1_1
 230 
        jz      @@Err1_1
231 
        jmp     .test
 231 
        jmp     .test
232 
@@:
 232 
@@:
233 
        call    change_task
 233 
        call    change_task
234 
        ; Ïðîâåðèòü âðåìÿ âûïîëíåíèÿ êîìàíäû
 234 
        ; Ïðîâåðèòü âðåìÿ âûïîëíåíèÿ êîìàíäû
235 
        mov     EAX, [timer_ticks]
 235 
        mov     EAX, [timer_ticks]
236 
        sub     EAX, [TickCounter_1]
 236 
        sub     EAX, [TickCounter_1]
237 
        cmp     EAX, BSYWaitTime
 237 
        cmp     EAX, BSYWaitTime
238 
        ja      @@Err1_1   ;îøèáêà òàéì-àóòà
 238 
        ja      @@Err1_1   ;îøèáêà òàéì-àóòà
239 
        ; Ïðîâåðèòü ãîòîâíîñòü
 239 
        ; Ïðîâåðèòü ãîòîâíîñòü
240 
.test:
 240 
.test:
241 
        in      AL, DX
 241 
        in      AL, DX
242 
        test    AL, 80h  ;ñîñòîÿíèå ñèãíàëà BSY
 242 
        test    AL, 80h  ;ñîñòîÿíèå ñèãíàëà BSY
243 
        jnz     @@WaitDevice0
 243 
        jnz     @@WaitDevice0
244 
        test    AL, 1    ;ñîñòîÿíèå ñèãíàëà ERR
 244 
        test    AL, 1    ;ñîñòîÿíèå ñèãíàëà ERR
245 
        jnz     @@Err6
 245 
        jnz     @@Err6
246 
        test    AL, 08h  ;ñîñòîÿíèå ñèãíàëà DRQ
 246 
        test    AL, 08h  ;ñîñòîÿíèå ñèãíàëà DRQ
247 
        jz      @@WaitDevice0
 247 
        jz      @@WaitDevice0
248 
; Ïîñëàòü ïàêåòíóþ êîìàíäó
 248 
; Ïîñëàòü ïàêåòíóþ êîìàíäó
249 
        cli
 249 
        cli
250 
        mov     DX, [ATABasePortAddr]
 250 
        mov     DX, [ATABasePortAddr]
251 
        mov     AX, [PacketCommand]
 251 
        mov     AX, [PacketCommand]
252 
        out     DX, AX
 252 
        out     DX, AX
253 
        mov     AX, [PacketCommand+2]
 253 
        mov     AX, [PacketCommand+2]
254 
        out     DX, AX
 254 
        out     DX, AX
255 
        mov     AX, [PacketCommand+4]
 255 
        mov     AX, [PacketCommand+4]
256 
        out     DX, AX
 256 
        out     DX, AX
257 
        mov     AX, [PacketCommand+6]
 257 
        mov     AX, [PacketCommand+6]
258 
        out     DX, AX
 258 
        out     DX, AX
259 
        mov     AX, [PacketCommand+8]
 259 
        mov     AX, [PacketCommand+8]
260 
        out     DX, AX
 260 
        out     DX, AX
261 
        mov     AX, [PacketCommand+10]
 261 
        mov     AX, [PacketCommand+10]
262 
        out     DX, AX
 262 
        out     DX, AX
263 
        sti
 263 
        sti
264 
; Îæèäàíèå ãîòîâíîñòè äàííûõ
 264 
; Îæèäàíèå ãîòîâíîñòè äàííûõ
265 
        mov     DX, [ATABasePortAddr]
 265 
        mov     DX, [ATABasePortAddr]
266 
        add     DX, 7  ;ïîðò 1õ7h
 266 
        add     DX, 7  ;ïîðò 1õ7h
267 
        mov     ecx, NoTickWaitTime
 267 
        mov     ecx, NoTickWaitTime
268 
@@WaitDevice1:
 268 
@@WaitDevice1:
269 
        cmp     [timer_ticks_enable], 0
 269 
        cmp     [timer_ticks_enable], 0
270 
        jne     @f
 270 
        jne     @f
271 
        dec     ecx
 271 
        dec     ecx
272 
;        test    ecx,ecx
 272 
;        test    ecx,ecx
273 
        jz      @@Err1_1
 273 
        jz      @@Err1_1
274 
        jmp     .test_1
 274 
        jmp     .test_1
275 
@@:
 275 
@@:
276 
        call    change_task
 276 
        call    change_task
277 
        ; Ïðîâåðèòü âðåìÿ âûïîëíåíèÿ êîìàíäû
 277 
        ; Ïðîâåðèòü âðåìÿ âûïîëíåíèÿ êîìàíäû
278 
        mov     EAX, [timer_ticks]
 278 
        mov     EAX, [timer_ticks]
279 
        sub     EAX, [TickCounter_1]
 279 
        sub     EAX, [TickCounter_1]
280 
        cmp     EAX, MaxCDWaitTime
 280 
        cmp     EAX, MaxCDWaitTime
281 
        ja      @@Err1_1   ;îøèáêà òàéì-àóòà
 281 
        ja      @@Err1_1   ;îøèáêà òàéì-àóòà
282 
        ; Ïðîâåðèòü ãîòîâíîñòü
 282 
        ; Ïðîâåðèòü ãîòîâíîñòü
283 
.test_1:
 283 
.test_1:
284 
        in      AL, DX
 284 
        in      AL, DX
285 
        test    AL, 80h  ;ñîñòîÿíèå ñèãíàëà BSY
 285 
        test    AL, 80h  ;ñîñòîÿíèå ñèãíàëà BSY
286 
        jnz     @@WaitDevice1
 286 
        jnz     @@WaitDevice1
287 
        test    AL, 1    ;ñîñòîÿíèå ñèãíàëà ERR
 287 
        test    AL, 1    ;ñîñòîÿíèå ñèãíàëà ERR
288 
        jnz     @@Err6_temp
 288 
        jnz     @@Err6_temp
289 
        test    AL, 08h  ;ñîñòîÿíèå ñèãíàëà DRQ
 289 
        test    AL, 08h  ;ñîñòîÿíèå ñèãíàëà DRQ
290 
        jz      @@WaitDevice1
 290 
        jz      @@WaitDevice1
291 
; Ïðèíÿòü áëîê äàííûõ îò êîíòðîëëåðà
 291 
; Ïðèíÿòü áëîê äàííûõ îò êîíòðîëëåðà
292 
        mov     EDI, [CDDataBuf_pointer];0x7000  ;CDDataBuf
 292 
        mov     EDI, [CDDataBuf_pointer];0x7000  ;CDDataBuf
293 
        ; Çàãðóçèòü àäðåñ ðåãèñòðà äàííûõ êîíòðîëëåðà
 293 
        ; Çàãðóçèòü àäðåñ ðåãèñòðà äàííûõ êîíòðîëëåðà
294 
        mov     DX, [ATABasePortAddr];ïîðò 1x0h
 294 
        mov     DX, [ATABasePortAddr];ïîðò 1x0h
295 
        ; Çàãðóçèòü â ñ÷åò÷èê ðàçìåð áëîêà â áàéòàõ
 295 
        ; Çàãðóçèòü â ñ÷åò÷èê ðàçìåð áëîêà â áàéòàõ
296 
        xor     ecx, ecx
 296 
        xor     ecx, ecx
297 
        mov     CX, CDBlockSize
 297 
        mov     CX, CDBlockSize
298 
        ; Âû÷èñëèòü ðàçìåð áëîêà â 16-ðàçðÿäíûõ ñëîâàõ
 298 
        ; Âû÷èñëèòü ðàçìåð áëîêà â 16-ðàçðÿäíûõ ñëîâàõ
299 
        shr     CX, 1;ðàçäåëèòü ðàçìåð áëîêà íà 2
 299 
        shr     CX, 1;ðàçäåëèòü ðàçìåð áëîêà íà 2
300 
        ; Ïðèíÿòü áëîê äàííûõ
 300 
        ; Ïðèíÿòü áëîê äàííûõ
301 
        cli
 301 
        cli
302 
        cld
 302 
        cld
303 
        rep insw
 303 
        rep insw
304 
        sti
 304 
        sti
305 
; Óñïåøíîå çàâåðøåíèå ïðèåìà äàííûõ
 305 
; Óñïåøíîå çàâåðøåíèå ïðèåìà äàííûõ
306 
@@End_8:
 306 
@@End_8:
307 
        xor     eax, eax
 307 
        xor     eax, eax
308 
        ret
 308 
        ret
309 
 
 309 
 
310 
; Çàïèñàòü êîä îøèáêè
 310 
; Çàïèñàòü êîä îøèáêè
311 
@@Err1_1:
 311 
@@Err1_1:
312 
        xor     eax, eax
 312 
        xor     eax, eax
313 
        inc     eax
 313 
        inc     eax
314 
        ret
 314 
        ret
315 
;        mov     [DevErrorCode],1
 315 
;        mov     [DevErrorCode],1
316 
;       ret
 316 
;       ret
317 
@@Err6_temp:
 317 
@@Err6_temp:
318 
        mov     eax, 7
 318 
        mov     eax, 7
319 
        ret
 319 
        ret
320 
;        mov     [DevErrorCode],7
 320 
;        mov     [DevErrorCode],7
321 
;       ret
 321 
;       ret
322 
@@Err6:
 322 
@@Err6:
323 
        mov     eax, 6
 323 
        mov     eax, 6
324 
        ret
 324 
        ret
325 
;        mov     [DevErrorCode],6
 325 
;        mov     [DevErrorCode],6
326 
;@@End_8:
 326 
;@@End_8:
327 
;        ret
 327 
;        ret
328 
 
 328 
 
329 
 
 329 
 
330 
 
 330 
 
331 
;***********************************************
 331 
;***********************************************
332 
;*  ÏÎÑËÀÒÜ ÓÑÒÐÎÉÑÒÂÓ ATAPI ÏÀÊÅÒÍÓÞ ÊÎÌÀÍÄÓ, *
 332 
;*  ÏÎÑËÀÒÜ ÓÑÒÐÎÉÑÒÂÓ ATAPI ÏÀÊÅÒÍÓÞ ÊÎÌÀÍÄÓ, *
333 
;*     ÍÅ ÏÐÅÄÓÑÌÀÒÐÈÂÀÞÙÓÞ ÏÅÐÅÄÀ×È ÄÀÍÍÛÕ    *
 333 
;*     ÍÅ ÏÐÅÄÓÑÌÀÒÐÈÂÀÞÙÓÞ ÏÅÐÅÄÀ×È ÄÀÍÍÛÕ    *
334 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç          *
 334 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç          *
335 
;* ãëîáàëüíûå ïåðìåííûå:                       *
 335 
;* ãëîáàëüíûå ïåðìåííûå:                       *
336 
;* ChannelNumber - íîìåð êàíàëà;               *
 336 
;* ChannelNumber - íîìåð êàíàëà;               *
337 
;* DiskNumber - íîìåð äèñêà íà êàíàëå;         *
 337 
;* DiskNumber - íîìåð äèñêà íà êàíàëå;         *
338 
;* PacketCommand - 12-áàéòíûé êîìàíäíûé ïàêåò. *
 338 
;* PacketCommand - 12-áàéòíûé êîìàíäíûé ïàêåò. *
339 
;***********************************************
 339 
;***********************************************
340 
SendPacketNoDatCommand:
 340 
SendPacketNoDatCommand:
341 
        pushad
 341 
        pushad
342 
        xor     eax, eax
 342 
        xor     eax, eax
343 
;        mov     byte [DevErrorCode],al
 343 
;        mov     byte [DevErrorCode],al
344 
; Çàäàòü ðåæèì CHS
 344 
; Çàäàòü ðåæèì CHS
345 
        mov     byte [ATAAddressMode], al
 345 
        mov     byte [ATAAddressMode], al
346 
; Ïîñëàòü ATA-êîìàíäó ïåðåäà÷è ïàêåòíîé êîìàíäû
 346 
; Ïîñëàòü ATA-êîìàíäó ïåðåäà÷è ïàêåòíîé êîìàíäû
347 
        mov     byte [ATAFeatures], al
 347 
        mov     byte [ATAFeatures], al
348 
        mov     byte [ATASectorCount], al
 348 
        mov     byte [ATASectorCount], al
349 
        mov     byte [ATASectorNumber], al
 349 
        mov     byte [ATASectorNumber], al
350 
        mov     word [ATACylinder], ax
 350 
        mov     word [ATACylinder], ax
351 
        mov     byte [ATAHead], al
 351 
        mov     byte [ATAHead], al
352 
        mov     [ATACommand], 0A0h
 352 
        mov     [ATACommand], 0A0h
353 
        call    SendCommandToHDD_1
 353 
        call    SendCommandToHDD_1
354 
;        cmp     [DevErrorCode],0 ;ïðîâåðèòü êîä îøèáêè
 354 
;        cmp     [DevErrorCode],0 ;ïðîâåðèòü êîä îøèáêè
355 
        test    eax, eax
 355 
        test    eax, eax
356 
        jnz     @@End_9  ;çàêîí÷èòü, ñîõðàíèâ êîä îøèáêè
 356 
        jnz     @@End_9  ;çàêîí÷èòü, ñîõðàíèâ êîä îøèáêè
357 
; Îæèäàíèå ãîòîâíîñòè äèñêîâîäà ê ïðèåìó
 357 
; Îæèäàíèå ãîòîâíîñòè äèñêîâîäà ê ïðèåìó
358 
; ïàêåòíîé êîìàíäû
 358 
; ïàêåòíîé êîìàíäû
359 
        mov     DX, [ATABasePortAddr]
 359 
        mov     DX, [ATABasePortAddr]
360 
        add     DX, 7  ;ïîðò 1õ7h
 360 
        add     DX, 7  ;ïîðò 1õ7h
361 
@@WaitDevice0_1:
 361 
@@WaitDevice0_1:
362 
        call    change_task
 362 
        call    change_task
363 
        ; Ïðîâåðèòü âðåìÿ îæèäàíèÿ
 363 
        ; Ïðîâåðèòü âðåìÿ îæèäàíèÿ
364 
        mov     EAX, [timer_ticks]
 364 
        mov     EAX, [timer_ticks]
365 
        sub     EAX, [TickCounter_1]
 365 
        sub     EAX, [TickCounter_1]
366 
        cmp     EAX, BSYWaitTime
 366 
        cmp     EAX, BSYWaitTime
367 
        ja      @@Err1_3   ;îøèáêà òàéì-àóòà
 367 
        ja      @@Err1_3   ;îøèáêà òàéì-àóòà
368 
        ; Ïðîâåðèòü ãîòîâíîñòü
 368 
        ; Ïðîâåðèòü ãîòîâíîñòü
369 
        in      AL, DX
 369 
        in      AL, DX
370 
        test    AL, 80h  ;ñîñòîÿíèå ñèãíàëà BSY
 370 
        test    AL, 80h  ;ñîñòîÿíèå ñèãíàëà BSY
371 
        jnz     @@WaitDevice0_1
 371 
        jnz     @@WaitDevice0_1
372 
        test    AL, 1    ;ñîñòîÿíèå ñèãíàëà ERR
 372 
        test    AL, 1    ;ñîñòîÿíèå ñèãíàëà ERR
373 
        jnz     @@Err6_1
 373 
        jnz     @@Err6_1
374 
        test    AL, 08h  ;ñîñòîÿíèå ñèãíàëà DRQ
 374 
        test    AL, 08h  ;ñîñòîÿíèå ñèãíàëà DRQ
375 
        jz      @@WaitDevice0_1
 375 
        jz      @@WaitDevice0_1
376 
; Ïîñëàòü ïàêåòíóþ êîìàíäó
 376 
; Ïîñëàòü ïàêåòíóþ êîìàíäó
377 
;        cli
 377 
;        cli
378 
        mov     DX, [ATABasePortAddr]
 378 
        mov     DX, [ATABasePortAddr]
379 
        mov     AX, word [PacketCommand]
 379 
        mov     AX, word [PacketCommand]
380 
        out     DX, AX
 380 
        out     DX, AX
381 
        mov     AX, word [PacketCommand+2]
 381 
        mov     AX, word [PacketCommand+2]
382 
        out     DX, AX
 382 
        out     DX, AX
383 
        mov     AX, word [PacketCommand+4]
 383 
        mov     AX, word [PacketCommand+4]
384 
        out     DX, AX
 384 
        out     DX, AX
385 
        mov     AX, word [PacketCommand+6]
 385 
        mov     AX, word [PacketCommand+6]
386 
        out     DX, AX
 386 
        out     DX, AX
387 
        mov     AX, word [PacketCommand+8]
 387 
        mov     AX, word [PacketCommand+8]
388 
        out     DX, AX
 388 
        out     DX, AX
389 
        mov     AX, word [PacketCommand+10]
 389 
        mov     AX, word [PacketCommand+10]
390 
        out     DX, AX
 390 
        out     DX, AX
391 
;        sti
 391 
;        sti
392 
        cmp     [ignore_CD_eject_wait], 1
 392 
        cmp     [ignore_CD_eject_wait], 1
393 
        je      @@clear_DEC
 393 
        je      @@clear_DEC
394 
; Îæèäàíèå ïîäòâåðæäåíèÿ ïðèåìà êîìàíäû
 394 
; Îæèäàíèå ïîäòâåðæäåíèÿ ïðèåìà êîìàíäû
395 
        mov     DX, [ATABasePortAddr]
 395 
        mov     DX, [ATABasePortAddr]
396 
        add     DX, 7  ;ïîðò 1õ7h
 396 
        add     DX, 7  ;ïîðò 1õ7h
397 
@@WaitDevice1_1:
 397 
@@WaitDevice1_1:
398 
        call    change_task
 398 
        call    change_task
399 
        ; Ïðîâåðèòü âðåìÿ âûïîëíåíèÿ êîìàíäû
 399 
        ; Ïðîâåðèòü âðåìÿ âûïîëíåíèÿ êîìàíäû
400 
        mov     EAX, [timer_ticks]
 400 
        mov     EAX, [timer_ticks]
401 
        sub     EAX, [TickCounter_1]
 401 
        sub     EAX, [TickCounter_1]
402 
        cmp     EAX, MaxCDWaitTime
 402 
        cmp     EAX, MaxCDWaitTime
403 
        ja      @@Err1_3   ;îøèáêà òàéì-àóòà
 403 
        ja      @@Err1_3   ;îøèáêà òàéì-àóòà
404 
        ; Îæèäàòü îñâîáîæäåíèÿ óñòðîéñòâà
 404 
        ; Îæèäàòü îñâîáîæäåíèÿ óñòðîéñòâà
405 
        in      AL, DX
 405 
        in      AL, DX
406 
        test    AL, 80h  ;ñîñòîÿíèå ñèãíàëà BSY
 406 
        test    AL, 80h  ;ñîñòîÿíèå ñèãíàëà BSY
407 
        jnz     @@WaitDevice1_1
 407 
        jnz     @@WaitDevice1_1
408 
        test    AL, 1    ;ñîñòîÿíèå ñèãíàëà ERR
 408 
        test    AL, 1    ;ñîñòîÿíèå ñèãíàëà ERR
409 
        jnz     @@Err6_1
 409 
        jnz     @@Err6_1
410 
        test    AL, 40h  ;ñîñòîÿíèå ñèãíàëà DRDY
 410 
        test    AL, 40h  ;ñîñòîÿíèå ñèãíàëà DRDY
411 
        jz      @@WaitDevice1_1
 411 
        jz      @@WaitDevice1_1
412 
@@clear_DEC:
 412 
@@clear_DEC:
413 
        and     [DevErrorCode], 0
 413 
        and     [DevErrorCode], 0
414 
        popad
 414 
        popad
415 
        ret
 415 
        ret
416 
; Çàïèñàòü êîä îøèáêè
 416 
; Çàïèñàòü êîä îøèáêè
417 
@@Err1_3:
 417 
@@Err1_3:
418 
        xor     eax, eax
 418 
        xor     eax, eax
419 
        inc     eax
 419 
        inc     eax
420 
        jmp     @@End_9
 420 
        jmp     @@End_9
421 
@@Err6_1:
 421 
@@Err6_1:
422 
        mov     eax, 6
 422 
        mov     eax, 6
423 
@@End_9:
 423 
@@End_9:
424 
        mov     [DevErrorCode], eax
 424 
        mov     [DevErrorCode], eax
425 
        popad
 425 
        popad
426 
        ret
 426 
        ret
427 
 
 427 
 
428 
;****************************************************
 428 
;****************************************************
429 
;*          ÏÎÑËÀÒÜ ÊÎÌÀÍÄÓ ÇÀÄÀÍÍÎÌÓ ÄÈÑÊÓ         *
 429 
;*          ÏÎÑËÀÒÜ ÊÎÌÀÍÄÓ ÇÀÄÀÍÍÎÌÓ ÄÈÑÊÓ         *
430 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå    *
 430 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå    *
431 
;* ïåðåìåííûå:                                      *
 431 
;* ïåðåìåííûå:                                      *
432 
;* ChannelNumber - íîìåð êàíàëà (1 èëè 2);          *
 432 
;* ChannelNumber - íîìåð êàíàëà (1 èëè 2);          *
433 
;* DiskNumber - íîìåð äèñêà (0 èëè 1);              *
 433 
;* DiskNumber - íîìåð äèñêà (0 èëè 1);              *
434 
;* ATAFeatures - "îñîáåííîñòè";                     *
 434 
;* ATAFeatures - "îñîáåííîñòè";                     *
435 
;* ATASectorCount - êîëè÷åñòâî ñåêòîðîâ;            *
 435 
;* ATASectorCount - êîëè÷åñòâî ñåêòîðîâ;            *
436 
;* ATASectorNumber - íîìåð íà÷àëüíîãî ñåêòîðà;      *
 436 
;* ATASectorNumber - íîìåð íà÷àëüíîãî ñåêòîðà;      *
437 
;* ATACylinder - íîìåð íà÷àëüíîãî öèëèíäðà;         *
 437 
;* ATACylinder - íîìåð íà÷àëüíîãî öèëèíäðà;         *
438 
;* ATAHead - íîìåð íà÷àëüíîé ãîëîâêè;               *
 438 
;* ATAHead - íîìåð íà÷àëüíîé ãîëîâêè;               *
439 
;* ATAAddressMode - ðåæèì àäðåñàöèè (0-CHS, 1-LBA); *
 439 
;* ATAAddressMode - ðåæèì àäðåñàöèè (0-CHS, 1-LBA); *
440 
;* ATACommand - êîä êîìàíäû.                        *
 440 
;* ATACommand - êîä êîìàíäû.                        *
441 
;* Ïîñëå óñïåøíîãî âûïîëíåíèÿ ôóíêöèè:              *
 441 
;* Ïîñëå óñïåøíîãî âûïîëíåíèÿ ôóíêöèè:              *
442 
;* â ATABasePortAddr - áàçîâûé àäðåñ HDD;           *
 442 
;* â ATABasePortAddr - áàçîâûé àäðåñ HDD;           *
443 
;* â DevErrorCode - íîëü.                           *
 443 
;* â DevErrorCode - íîëü.                           *
444 
;* Ïðè âîçíèêíîâåíèè îøèáêè â DevErrorCode áóäåò    *
 444 
;* Ïðè âîçíèêíîâåíèè îøèáêè â DevErrorCode áóäåò    *
445 
;* âîçâðàùåí êîä îøèáêè â eax                       *
 445 
;* âîçâðàùåí êîä îøèáêè â eax                       *
446 
;****************************************************
 446 
;****************************************************
447 
SendCommandToHDD_1:
 447 
SendCommandToHDD_1:
448 
;        pushad
 448 
;        pushad
449 
;        mov    [DevErrorCode],0        not need
449 
;        mov    [DevErrorCode],0        not need
450 
; Ïðîâåðèòü çíà÷åíèå êîäà ðåæèìà
 450 
; Ïðîâåðèòü çíà÷åíèå êîäà ðåæèìà
451 
        cmp     [ATAAddressMode], 1
 451 
        cmp     [ATAAddressMode], 1
452 
        ja      @@Err2_4
 452 
        ja      @@Err2_4
453 
; Ïðîâåðèòü êîððåêòíîñòü íîìåðà êàíàëà
 453 
; Ïðîâåðèòü êîððåêòíîñòü íîìåðà êàíàëà
454 
        mov     BX, [ChannelNumber]
 454 
        mov     BX, [ChannelNumber]
455 
        cmp     BX, 1
 455 
        cmp     BX, 1
456 
        jb      @@Err3_4
 456 
        jb      @@Err3_4
457 
        cmp     BX, 2
 457 
        cmp     BX, 2
458 
        ja      @@Err3_4
 458 
        ja      @@Err3_4
459 
; Óñòàíîâèòü áàçîâûé àäðåñ
 459 
; Óñòàíîâèòü áàçîâûé àäðåñ
460 
        dec     BX
 460 
        dec     BX
461 
        shl     BX, 1
 461 
        shl     BX, 1
462 
        movzx   ebx, bx
 462 
        movzx   ebx, bx
463 
        mov     AX, [ebx+StandardATABases]
 463 
        mov     AX, [ebx+StandardATABases]
464 
        mov     [ATABasePortAddr], AX
 464 
        mov     [ATABasePortAddr], AX
465 
; Îæèäàíèå ãîòîâíîñòè HDD ê ïðèåìó êîìàíäû
 465 
; Îæèäàíèå ãîòîâíîñòè HDD ê ïðèåìó êîìàíäû
466 
        ; Âûáðàòü íóæíûé äèñê
 466 
        ; Âûáðàòü íóæíûé äèñê
467 
        mov     DX, [ATABasePortAddr]
 467 
        mov     DX, [ATABasePortAddr]
468 
        add     DX, 6   ;àäðåñ ðåãèñòðà ãîëîâîê
 468 
        add     DX, 6   ;àäðåñ ðåãèñòðà ãîëîâîê
469 
        mov     AL, [DiskNumber]
 469 
        mov     AL, [DiskNumber]
470 
        cmp     AL, 1   ;ïðîâåðèòü íîìåðà äèñêà
 470 
        cmp     AL, 1   ;ïðîâåðèòü íîìåðà äèñêà
471 
        ja      @@Err4_4
 471 
        ja      @@Err4_4
472 
        shl     AL, 4
 472 
        shl     AL, 4
473 
        or      AL, 10100000b
 473 
        or      AL, 10100000b
474 
        out     DX, AL
 474 
        out     DX, AL
475 
        ; Îæèäàòü, ïîêà äèñê íå áóäåò ãîòîâ
 475 
        ; Îæèäàòü, ïîêà äèñê íå áóäåò ãîòîâ
476 
        inc     DX
 476 
        inc     DX
477 
        mov     eax, [timer_ticks]
 477 
        mov     eax, [timer_ticks]
478 
        mov     [TickCounter_1], eax
 478 
        mov     [TickCounter_1], eax
479 
        mov     ecx, NoTickWaitTime
 479 
        mov     ecx, NoTickWaitTime
480 
@@WaitHDReady_2:
 480 
@@WaitHDReady_2:
481 
        cmp     [timer_ticks_enable], 0
 481 
        cmp     [timer_ticks_enable], 0
482 
        jne     @f
 482 
        jne     @f
483 
        dec     ecx
 483 
        dec     ecx
484 
;        test   ecx,ecx
 484 
;        test   ecx,ecx
485 
        jz      @@Err1_4
 485 
        jz      @@Err1_4
486 
        jmp     .test
 486 
        jmp     .test
487 
@@:
 487 
@@:
488 
        call    change_task
 488 
        call    change_task
489 
        ; Ïðîâåðèòü âðåìÿ îæèäàíèÿ
 489 
        ; Ïðîâåðèòü âðåìÿ îæèäàíèÿ
490 
        mov     eax, [timer_ticks]
 490 
        mov     eax, [timer_ticks]
491 
        sub     eax, [TickCounter_1]
 491 
        sub     eax, [TickCounter_1]
492 
        cmp     eax, BSYWaitTime;300    ;îæèäàòü 3 ñåê.
 492 
        cmp     eax, BSYWaitTime;300    ;îæèäàòü 3 ñåê.
493 
        ja      @@Err1_4   ;îøèáêà òàéì-àóòà
 493 
        ja      @@Err1_4   ;îøèáêà òàéì-àóòà
494 
        ; Ïðî÷èòàòü ðåãèñòð ñîñòîÿíèÿ
 494 
        ; Ïðî÷èòàòü ðåãèñòð ñîñòîÿíèÿ
495 
.test:
 495 
.test:
496 
        in      AL, DX
 496 
        in      AL, DX
497 
        ; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà BSY
 497 
        ; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà BSY
498 
        test    AL, 80h
 498 
        test    AL, 80h
499 
        jnz     @@WaitHDReady_2
 499 
        jnz     @@WaitHDReady_2
500 
        ; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà DRQ
 500 
        ; Ïðîâåðèòü ñîñòîÿíèå ñèãíàëà DRQ
501 
        test    AL, 08h
 501 
        test    AL, 08h
502 
        jnz     @@WaitHDReady_2
 502 
        jnz     @@WaitHDReady_2
503 
 
 503 
 
504 
; Çàãðóçèòü êîìàíäó â ðåãèñòðû êîíòðîëëåðà
 504 
; Çàãðóçèòü êîìàíäó â ðåãèñòðû êîíòðîëëåðà
505 
        cli
 505 
        cli
506 
        mov     DX, [ATABasePortAddr]
 506 
        mov     DX, [ATABasePortAddr]
507 
        inc     DX      ;ðåãèñòð "îñîáåííîñòåé"
 507 
        inc     DX      ;ðåãèñòð "îñîáåííîñòåé"
508 
        mov     AL, [ATAFeatures]
 508 
        mov     AL, [ATAFeatures]
509 
        out     DX, AL
 509 
        out     DX, AL
510 
        inc     DX      ;ñ÷åò÷èê ñåêòîðîâ
 510 
        inc     DX      ;ñ÷åò÷èê ñåêòîðîâ
511 
        mov     AL, [ATASectorCount]
 511 
        mov     AL, [ATASectorCount]
512 
        out     DX, AL
 512 
        out     DX, AL
513 
        inc     DX      ;ðåãèñòð íîìåðà ñåêòîðà
 513 
        inc     DX      ;ðåãèñòð íîìåðà ñåêòîðà
514 
        mov     AL, [ATASectorNumber]
 514 
        mov     AL, [ATASectorNumber]
515 
        out     DX, AL
 515 
        out     DX, AL
516 
        inc     DX      ;íîìåð öèëèíäðà (ìëàäøèé áàéò)
 516 
        inc     DX      ;íîìåð öèëèíäðà (ìëàäøèé áàéò)
517 
        mov     AX, [ATACylinder]
 517 
        mov     AX, [ATACylinder]
518 
        out     DX, AL
 518 
        out     DX, AL
519 
        inc     DX      ;íîìåð öèëèíäðà (ñòàðøèé áàéò)
 519 
        inc     DX      ;íîìåð öèëèíäðà (ñòàðøèé áàéò)
520 
        mov     AL, AH
 520 
        mov     AL, AH
521 
        out     DX, AL
 521 
        out     DX, AL
522 
        inc     DX      ;íîìåð ãîëîâêè/íîìåð äèñêà
 522 
        inc     DX      ;íîìåð ãîëîâêè/íîìåð äèñêà
523 
        mov     AL, [DiskNumber]
 523 
        mov     AL, [DiskNumber]
524 
        shl     AL, 4
 524 
        shl     AL, 4
525 
        cmp     [ATAHead], 0Fh;ïðîâåðèòü íîìåð ãîëîâêè
 525 
        cmp     [ATAHead], 0Fh;ïðîâåðèòü íîìåð ãîëîâêè
526 
        ja      @@Err5_4
 526 
        ja      @@Err5_4
527 
        or      AL, [ATAHead]
 527 
        or      AL, [ATAHead]
528 
        or      AL, 10100000b
 528 
        or      AL, 10100000b
529 
        mov     AH, [ATAAddressMode]
 529 
        mov     AH, [ATAAddressMode]
530 
        shl     AH, 6
 530 
        shl     AH, 6
531 
        or      AL, AH
 531 
        or      AL, AH
532 
        out     DX, AL
 532 
        out     DX, AL
533 
; Ïîñëàòü êîìàíäó
 533 
; Ïîñëàòü êîìàíäó
534 
        mov     AL, [ATACommand]
 534 
        mov     AL, [ATACommand]
535 
        inc     DX      ;ðåãèñòð êîìàíä
 535 
        inc     DX      ;ðåãèñòð êîìàíä
536 
        out     DX, AL
 536 
        out     DX, AL
537 
        sti
 537 
        sti
538 
; Ñáðîñèòü ïðèçíàê îøèáêè
 538 
; Ñáðîñèòü ïðèçíàê îøèáêè
539 
;        mov     [DevErrorCode],0
 539 
;        mov     [DevErrorCode],0
540 
@@End_10:
 540 
@@End_10:
541 
        xor     eax, eax
 541 
        xor     eax, eax
542 
        ret
 542 
        ret
543 
; Çàïèñàòü êîä îøèáêè
 543 
; Çàïèñàòü êîä îøèáêè
544 
@@Err1_4:
 544 
@@Err1_4:
545 
        xor     eax, eax
 545 
        xor     eax, eax
546 
        inc     eax
 546 
        inc     eax
547 
;        mov     [DevErrorCode],1
 547 
;        mov     [DevErrorCode],1
548 
        ret
 548 
        ret
549 
@@Err2_4:
 549 
@@Err2_4:
550 
        mov     eax, 2
 550 
        mov     eax, 2
551 
;        mov     [DevErrorCode],2
 551 
;        mov     [DevErrorCode],2
552 
        ret
 552 
        ret
553 
@@Err3_4:
 553 
@@Err3_4:
554 
        mov     eax, 3
 554 
        mov     eax, 3
555 
;        mov     [DevErrorCode],3
 555 
;        mov     [DevErrorCode],3
556 
        ret
 556 
        ret
557 
@@Err4_4:
 557 
@@Err4_4:
558 
        mov     eax, 4
 558 
        mov     eax, 4
559 
;        mov     [DevErrorCode],4
 559 
;        mov     [DevErrorCode],4
560 
        ret
 560 
        ret
561 
@@Err5_4:
 561 
@@Err5_4:
562 
        mov     eax, 5
 562 
        mov     eax, 5
563 
;        mov     [DevErrorCode],5
 563 
;        mov     [DevErrorCode],5
564 
; Çàâåðøåíèå ðàáîòû ïðîãðàììû
 564 
; Çàâåðøåíèå ðàáîòû ïðîãðàììû
565 
        ret
 565 
        ret
566 
;        sti
 566 
;        sti
567 
;        popad
 567 
;        popad
568 
 
 568 
 
569 
;*************************************************
 569 
;*************************************************
570 
;*    ÎÆÈÄÀÍÈÅ ÃÎÒÎÂÍÎÑÒÈ ÓÑÒÐÎÉÑÒÂÀ Ê ÐÀÁÎÒÅ    *
 570 
;*    ÎÆÈÄÀÍÈÅ ÃÎÒÎÂÍÎÑÒÈ ÓÑÒÐÎÉÑÒÂÀ Ê ÐÀÁÎÒÅ    *
571 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
 571 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
572 
;* ïåðìåííûå:                                    *
 572 
;* ïåðìåííûå:                                    *
573 
;* ChannelNumber - íîìåð êàíàëà;                 *
 573 
;* ChannelNumber - íîìåð êàíàëà;                 *
574 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
 574 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
575 
;*************************************************
 575 
;*************************************************
576 
WaitUnitReady:
 576 
WaitUnitReady:
577 
        pusha
 577 
        pusha
578 
; Çàïîìíèòü âðåìÿ íà÷àëà îïåðàöèè
 578 
; Çàïîìíèòü âðåìÿ íà÷àëà îïåðàöèè
579 
        mov     EAX, [timer_ticks]
 579 
        mov     EAX, [timer_ticks]
580 
        mov     [WURStartTime], EAX
 580 
        mov     [WURStartTime], EAX
581 
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
 581 
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
582 
        call    clear_packet_buffer
 582 
        call    clear_packet_buffer
583 
; Ñôîðìèðîâàòü êîìàíäó TEST UNIT READY
 583 
; Ñôîðìèðîâàòü êîìàíäó TEST UNIT READY
584 
        mov     [PacketCommand], word 00h
 584 
        mov     [PacketCommand], word 00h
585 
; ÖÈÊË ÎÆÈÄÀÍÈß ÃÎÒÎÂÍÎÑÒÈ ÓÑÒÐÎÉÑÒÂÀ
 585 
; ÖÈÊË ÎÆÈÄÀÍÈß ÃÎÒÎÂÍÎÑÒÈ ÓÑÒÐÎÉÑÒÂÀ
586 
        mov     ecx, NoTickWaitTime
 586 
        mov     ecx, NoTickWaitTime
587 
@@SendCommand:
 587 
@@SendCommand:
588 
        ; Ïîäàòü êîìàíäó ïðîâåðêè ãîòîâíîñòè
 588 
        ; Ïîäàòü êîìàíäó ïðîâåðêè ãîòîâíîñòè
589 
        call    SendPacketNoDatCommand
 589 
        call    SendPacketNoDatCommand
590 
        cmp     [timer_ticks_enable], 0
 590 
        cmp     [timer_ticks_enable], 0
591 
        jne     @f
 591 
        jne     @f
592 
        cmp     [DevErrorCode], 0
 592 
        cmp     [DevErrorCode], 0
593 
        je      @@End_11
 593 
        je      @@End_11
594 
        dec     ecx
 594 
        dec     ecx
595 
;        cmp     ecx,0
 595 
;        cmp     ecx,0
596 
        jz      .Error
 596 
        jz      .Error
597 
        jmp     @@SendCommand
 597 
        jmp     @@SendCommand
598 
@@:
 598 
@@:
599 
        call    change_task
 599 
        call    change_task
600 
        ; Ïðîâåðèòü êîä îøèáêè
 600 
        ; Ïðîâåðèòü êîä îøèáêè
601 
        cmp     [DevErrorCode], 0
 601 
        cmp     [DevErrorCode], 0
602 
        je      @@End_11
 602 
        je      @@End_11
603 
        ; Ïðîâåðèòü âðåìÿ îæèäàíèÿ ãîòîâíîñòè
 603 
        ; Ïðîâåðèòü âðåìÿ îæèäàíèÿ ãîòîâíîñòè
604 
        mov     EAX, [timer_ticks]
 604 
        mov     EAX, [timer_ticks]
605 
        sub     EAX, [WURStartTime]
 605 
        sub     EAX, [WURStartTime]
606 
        cmp     EAX, MaxCDWaitTime
 606 
        cmp     EAX, MaxCDWaitTime
607 
        jb      @@SendCommand
 607 
        jb      @@SendCommand
608 
.Error:
 608 
.Error:
609 
        ; Îøèáêà òàéì-àóòà
 609 
        ; Îøèáêà òàéì-àóòà
610 
        mov     [DevErrorCode], 1
 610 
        mov     [DevErrorCode], 1
611 
@@End_11:
 611 
@@End_11:
612 
        popa
 612 
        popa
613 
        ret
 613 
        ret
614 
 
 614 
 
615 
;*************************************************
 615 
;*************************************************
616 
;*            ÇÀÏÐÅÒÈÒÜ ÑÌÅÍÓ ÄÈÑÊÀ              *
 616 
;*            ÇÀÏÐÅÒÈÒÜ ÑÌÅÍÓ ÄÈÑÊÀ              *
617 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
 617 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
618 
;* ïåðìåííûå:                                    *
 618 
;* ïåðìåííûå:                                    *
619 
;* ChannelNumber - íîìåð êàíàëà;                 *
 619 
;* ChannelNumber - íîìåð êàíàëà;                 *
620 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
 620 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
621 
;*************************************************
 621 
;*************************************************
622 
prevent_medium_removal:
 622 
prevent_medium_removal:
623 
        pusha
 623 
        pusha
624 
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
 624 
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
625 
        call    clear_packet_buffer
 625 
        call    clear_packet_buffer
626 
; Çàäàòü êîä êîìàíäû
 626 
; Çàäàòü êîä êîìàíäû
627 
        mov     [PacketCommand], byte 0x1E
 627 
        mov     [PacketCommand], byte 0x1E
628 
; Çàäàòü êîä çàïðåòà
 628 
; Çàäàòü êîä çàïðåòà
629 
        mov     [PacketCommand+4], byte 11b
 629 
        mov     [PacketCommand+4], byte 11b
630 
; Ïîäàòü êîìàíäó
 630 
; Ïîäàòü êîìàíäó
631 
        call    SendPacketNoDatCommand
 631 
        call    SendPacketNoDatCommand
632 
        mov     eax, ATAPI_IDE0_lock
 632 
        mov     eax, ATAPI_IDE0_lock
633 
        add     eax, [cdpos]
 633 
        add     eax, [cdpos]
634 
        dec     eax
 634 
        dec     eax
635 
        mov     [eax], byte 1
 635 
        mov     [eax], byte 1
636 
        popa
 636 
        popa
637 
        ret
 637 
        ret
638 
 
 638 
 
639 
;*************************************************
 639 
;*************************************************
640 
;*            ÐÀÇÐÅØÈÒÜ ÑÌÅÍÓ ÄÈÑÊÀ              *
 640 
;*            ÐÀÇÐÅØÈÒÜ ÑÌÅÍÓ ÄÈÑÊÀ              *
641 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
 641 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
642 
;* ïåðìåííûå:                                    *
 642 
;* ïåðìåííûå:                                    *
643 
;* ChannelNumber - íîìåð êàíàëà;                 *
 643 
;* ChannelNumber - íîìåð êàíàëà;                 *
644 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
 644 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
645 
;*************************************************
 645 
;*************************************************
646 
allow_medium_removal:
 646 
allow_medium_removal:
647 
        pusha
 647 
        pusha
648 
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
 648 
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
649 
        call    clear_packet_buffer
 649 
        call    clear_packet_buffer
650 
; Çàäàòü êîä êîìàíäû
 650 
; Çàäàòü êîä êîìàíäû
651 
        mov     [PacketCommand], byte 0x1E
 651 
        mov     [PacketCommand], byte 0x1E
652 
; Çàäàòü êîä çàïðåòà
 652 
; Çàäàòü êîä çàïðåòà
653 
        mov     [PacketCommand+4], byte 00b
 653 
        mov     [PacketCommand+4], byte 00b
654 
; Ïîäàòü êîìàíäó
 654 
; Ïîäàòü êîìàíäó
655 
        call    SendPacketNoDatCommand
 655 
        call    SendPacketNoDatCommand
656 
        mov     eax, ATAPI_IDE0_lock
 656 
        mov     eax, ATAPI_IDE0_lock
657 
        add     eax, [cdpos]
 657 
        add     eax, [cdpos]
658 
        dec     eax
 658 
        dec     eax
659 
        mov     [eax], byte 0
 659 
        mov     [eax], byte 0
660 
        popa
 660 
        popa
661 
        ret
 661 
        ret
662 
 
 662 
 
663 
;*************************************************
 663 
;*************************************************
664 
;*         ÇÀÃÐÓÇÈÒÜ ÍÎÑÈÒÅËÜ Â ÄÈÑÊÎÂÎÄ         *
 664 
;*         ÇÀÃÐÓÇÈÒÜ ÍÎÑÈÒÅËÜ Â ÄÈÑÊÎÂÎÄ         *
665 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
 665 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
666 
;* ïåðìåííûå:                                    *
 666 
;* ïåðìåííûå:                                    *
667 
;* ChannelNumber - íîìåð êàíàëà;                 *
 667 
;* ChannelNumber - íîìåð êàíàëà;                 *
668 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
 668 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
669 
;*************************************************
 669 
;*************************************************
670 
LoadMedium:
 670 
LoadMedium:
671 
        pusha
 671 
        pusha
672 
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
 672 
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
673 
        call    clear_packet_buffer
 673 
        call    clear_packet_buffer
674 
; Ñôîðìèðîâàòü êîìàíäó START/STOP UNIT
 674 
; Ñôîðìèðîâàòü êîìàíäó START/STOP UNIT
675 
        ; Çàäàòü êîä êîìàíäû
 675 
        ; Çàäàòü êîä êîìàíäû
676 
        mov     [PacketCommand], word 1Bh
 676 
        mov     [PacketCommand], word 1Bh
677 
        ; Çàäàòü îïåðàöèþ çàãðóçêè íîñèòåëÿ
 677 
        ; Çàäàòü îïåðàöèþ çàãðóçêè íîñèòåëÿ
678 
        mov     [PacketCommand+4], word 00000011b
 678 
        mov     [PacketCommand+4], word 00000011b
679 
; Ïîäàòü êîìàíäó
 679 
; Ïîäàòü êîìàíäó
680 
        call    SendPacketNoDatCommand
 680 
        call    SendPacketNoDatCommand
681 
        popa
 681 
        popa
682 
        ret
 682 
        ret
683 
 
 683 
 
684 
;*************************************************
 684 
;*************************************************
685 
;*         ÈÇÂËÅ×Ü ÍÎÑÈÒÅËÜ ÈÇ ÄÈÑÊÎÂÎÄÀ         *
 685 
;*         ÈÇÂËÅ×Ü ÍÎÑÈÒÅËÜ ÈÇ ÄÈÑÊÎÂÎÄÀ         *
686 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
 686 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
687 
;* ïåðìåííûå:                                    *
 687 
;* ïåðìåííûå:                                    *
688 
;* ChannelNumber - íîìåð êàíàëà;                 *
 688 
;* ChannelNumber - íîìåð êàíàëà;                 *
689 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
 689 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
690 
;*************************************************
 690 
;*************************************************
691 
EjectMedium:
 691 
EjectMedium:
692 
        pusha
 692 
        pusha
693 
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
 693 
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
694 
        call    clear_packet_buffer
 694 
        call    clear_packet_buffer
695 
; Ñôîðìèðîâàòü êîìàíäó START/STOP UNIT
 695 
; Ñôîðìèðîâàòü êîìàíäó START/STOP UNIT
696 
        ; Çàäàòü êîä êîìàíäû
 696 
        ; Çàäàòü êîä êîìàíäû
697 
        mov     [PacketCommand], word 1Bh
 697 
        mov     [PacketCommand], word 1Bh
698 
        ; Çàäàòü îïåðàöèþ èçâëå÷åíèÿ íîñèòåëÿ
 698 
        ; Çàäàòü îïåðàöèþ èçâëå÷åíèÿ íîñèòåëÿ
699 
        mov     [PacketCommand+4], word 00000010b
 699 
        mov     [PacketCommand+4], word 00000010b
700 
; Ïîäàòü êîìàíäó
 700 
; Ïîäàòü êîìàíäó
701 
        call    SendPacketNoDatCommand
 701 
        call    SendPacketNoDatCommand
702 
        popa
 702 
        popa
703 
        ret
 703 
        ret
704 
 
 704 
 
705 
;*************************************************
 705 
;*************************************************
706 
;* Ïðîâåðèòü ñîáûòèå íàæàòèÿ êíîïêè èçâëå÷åíèÿ   *
 706 
;* Ïðîâåðèòü ñîáûòèå íàæàòèÿ êíîïêè èçâëå÷åíèÿ   *
707 
;*                     äèñêà                     *
 707 
;*                     äèñêà                     *
708 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
 708 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
709 
;* ïåðåìåííûå:                                   *
 709 
;* ïåðåìåííûå:                                   *
710 
;* ChannelNumber - íîìåð êàíàëà;                 *
 710 
;* ChannelNumber - íîìåð êàíàëà;                 *
711 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
 711 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
712 
;*************************************************
 712 
;*************************************************
713 
align 4
 713 
align 4
714 
check_ATAPI_device_event:
 714 
check_ATAPI_device_event:
715 
        pusha
 715 
        pusha
716 
        mov     eax, [timer_ticks]
 716 
        mov     eax, [timer_ticks]
717 
        sub     eax, [timer_ATAPI_check]
 717 
        sub     eax, [timer_ATAPI_check]
718 
        cmp     eax, 100
 718 
        cmp     eax, 100
719 
        jb      .end_1
 719 
        jb      .end_1
720 
        mov     al, [DRIVE_DATA+1]
 720 
        mov     al, [DRIVE_DATA+1]
721 
        and     al, 11b
 721 
        and     al, 11b
722 
        cmp     al, 10b
 722 
        cmp     al, 10b
723 
        jz      .ide3
 723 
        jz      .ide3
724 
.ide2_1:
 724 
.ide2_1:
725 
        mov     al, [DRIVE_DATA+1]
 725 
        mov     al, [DRIVE_DATA+1]
726 
        and     al, 1100b
 726 
        and     al, 1100b
727 
        cmp     al, 1000b
 727 
        cmp     al, 1000b
728 
        jz      .ide2
 728 
        jz      .ide2
729 
.ide1_1:
 729 
.ide1_1:
730 
        mov     al, [DRIVE_DATA+1]
 730 
        mov     al, [DRIVE_DATA+1]
731 
        and     al, 110000b
 731 
        and     al, 110000b
732 
        cmp     al, 100000b
 732 
        cmp     al, 100000b
733 
        jz      .ide1
 733 
        jz      .ide1
734 
.ide0_1:
 734 
.ide0_1:
735 
        mov     al, [DRIVE_DATA+1]
 735 
        mov     al, [DRIVE_DATA+1]
736 
        and     al, 11000000b
 736 
        and     al, 11000000b
737 
        cmp     al, 10000000b
 737 
        cmp     al, 10000000b
738 
        jz      .ide0
 738 
        jz      .ide0
739 
.end:
 739 
.end:
740 
 
 740 
 
741 
        sti
 741 
        sti
742 
        mov     eax, [timer_ticks]
 742 
        mov     eax, [timer_ticks]
743 
        mov     [timer_ATAPI_check], eax
 743 
        mov     [timer_ATAPI_check], eax
744 
.end_1:
 744 
.end_1:
745 
        popa
 745 
        popa
746 
        ret
 746 
        ret
747 
 
 747 
 
748 
.ide3:
 748 
.ide3:
749 
        cli
 749 
        cli
750 
        cmp     [ATAPI_IDE3_lock], 1
 750 
        cmp     [ATAPI_IDE3_lock], 1
751 
        jne     .ide2_1
 751 
        jne     .ide2_1
752 
        cmp     [IDE_Channel_2], 0
 752 
        cmp     [IDE_Channel_2], 0
753 
        jne     .ide1_1
 753 
        jne     .ide1_1
754 
        cmp     [cd_status], 0
 754 
        cmp     [cd_status], 0
755 
        jne     .end
 755 
        jne     .end
756 
        mov     [IDE_Channel_2], 1
 756 
        mov     [IDE_Channel_2], 1
757 
        call    reserve_ok2
 757 
        call    reserve_ok2
758 
        mov     [ChannelNumber], 2
 758 
        mov     [ChannelNumber], 2
759 
        mov     [DiskNumber], 1
 759 
        mov     [DiskNumber], 1
760 
        mov     [cdpos], 4
 760 
        mov     [cdpos], 4
761 
        call    GetEvent_StatusNotification
 761 
        call    GetEvent_StatusNotification
762 
        cmp     [CDDataBuf+4], byte 1
 762 
        cmp     [CDDataBuf+4], byte 1
763 
        je      .eject_ide3
 763 
        je      .eject_ide3
764 
        call    syscall_cdaudio.free
 764 
        call    syscall_cdaudio.free
765 
        jmp     .ide2_1
 765 
        jmp     .ide2_1
766 
.eject_ide3:
 766 
.eject_ide3:
767 
        call    .eject
 767 
        call    .eject
768 
        call    syscall_cdaudio.free
 768 
        call    syscall_cdaudio.free
769 
        jmp     .ide2_1
 769 
        jmp     .ide2_1
770 
 
 770 
 
771 
.ide2:
 771 
.ide2:
772 
        cli
 772 
        cli
773 
        cmp     [ATAPI_IDE2_lock], 1
 773 
        cmp     [ATAPI_IDE2_lock], 1
774 
        jne     .ide1_1
 774 
        jne     .ide1_1
775 
        cmp     [IDE_Channel_2], 0
 775 
        cmp     [IDE_Channel_2], 0
776 
        jne     .ide1_1
 776 
        jne     .ide1_1
777 
        cmp     [cd_status], 0
 777 
        cmp     [cd_status], 0
778 
        jne     .end
 778 
        jne     .end
779 
        mov     [IDE_Channel_2], 1
 779 
        mov     [IDE_Channel_2], 1
780 
        call    reserve_ok2
 780 
        call    reserve_ok2
781 
        mov     [ChannelNumber], 2
 781 
        mov     [ChannelNumber], 2
782 
        mov     [DiskNumber], 0
 782 
        mov     [DiskNumber], 0
783 
        mov     [cdpos], 3
 783 
        mov     [cdpos], 3
784 
        call    GetEvent_StatusNotification
 784 
        call    GetEvent_StatusNotification
785 
        cmp     [CDDataBuf+4], byte 1
 785 
        cmp     [CDDataBuf+4], byte 1
786 
        je      .eject_ide2
 786 
        je      .eject_ide2
787 
        call    syscall_cdaudio.free
 787 
        call    syscall_cdaudio.free
788 
        jmp     .ide1_1
 788 
        jmp     .ide1_1
789 
.eject_ide2:
 789 
.eject_ide2:
790 
        call    .eject
 790 
        call    .eject
791 
        call    syscall_cdaudio.free
 791 
        call    syscall_cdaudio.free
792 
        jmp     .ide1_1
 792 
        jmp     .ide1_1
793 
 
 793 
 
794 
.ide1:
 794 
.ide1:
795 
        cli
 795 
        cli
796 
        cmp     [ATAPI_IDE1_lock], 1
 796 
        cmp     [ATAPI_IDE1_lock], 1
797 
        jne     .ide0_1
 797 
        jne     .ide0_1
798 
        cmp     [IDE_Channel_1], 0
 798 
        cmp     [IDE_Channel_1], 0
799 
        jne     .end
 799 
        jne     .end
800 
        cmp     [cd_status], 0
 800 
        cmp     [cd_status], 0
801 
        jne     .end
 801 
        jne     .end
802 
        mov     [IDE_Channel_1], 1
 802 
        mov     [IDE_Channel_1], 1
803 
        call    reserve_ok2
 803 
        call    reserve_ok2
804 
        mov     [ChannelNumber], 1
 804 
        mov     [ChannelNumber], 1
805 
        mov     [DiskNumber], 1
 805 
        mov     [DiskNumber], 1
806 
        mov     [cdpos], 2
 806 
        mov     [cdpos], 2
807 
        call    GetEvent_StatusNotification
 807 
        call    GetEvent_StatusNotification
808 
        cmp     [CDDataBuf+4], byte 1
 808 
        cmp     [CDDataBuf+4], byte 1
809 
        je      .eject_ide1
 809 
        je      .eject_ide1
810 
        call    syscall_cdaudio.free
 810 
        call    syscall_cdaudio.free
811 
        jmp     .ide0_1
 811 
        jmp     .ide0_1
812 
.eject_ide1:
 812 
.eject_ide1:
813 
        call    .eject
 813 
        call    .eject
814 
        call    syscall_cdaudio.free
 814 
        call    syscall_cdaudio.free
815 
        jmp     .ide0_1
 815 
        jmp     .ide0_1
816 
 
 816 
 
817 
.ide0:
 817 
.ide0:
818 
        cli
 818 
        cli
819 
        cmp     [ATAPI_IDE0_lock], 1
 819 
        cmp     [ATAPI_IDE0_lock], 1
820 
        jne     .end
 820 
        jne     .end
821 
        cmp     [IDE_Channel_1], 0
 821 
        cmp     [IDE_Channel_1], 0
822 
        jne     .end
 822 
        jne     .end
823 
        cmp     [cd_status], 0
 823 
        cmp     [cd_status], 0
824 
        jne     .end
 824 
        jne     .end
825 
        mov     [IDE_Channel_1], 1
 825 
        mov     [IDE_Channel_1], 1
826 
        call    reserve_ok2
 826 
        call    reserve_ok2
827 
        mov     [ChannelNumber], 1
 827 
        mov     [ChannelNumber], 1
828 
        mov     [DiskNumber], 0
 828 
        mov     [DiskNumber], 0
829 
        mov     [cdpos], 1
 829 
        mov     [cdpos], 1
830 
        call    GetEvent_StatusNotification
 830 
        call    GetEvent_StatusNotification
831 
        cmp     [CDDataBuf+4], byte 1
 831 
        cmp     [CDDataBuf+4], byte 1
832 
        je      .eject_ide0
 832 
        je      .eject_ide0
833 
        call    syscall_cdaudio.free
 833 
        call    syscall_cdaudio.free
834 
        jmp     .end
 834 
        jmp     .end
835 
.eject_ide0:
 835 
.eject_ide0:
836 
        call    .eject
 836 
        call    .eject
837 
        call    syscall_cdaudio.free
 837 
        call    syscall_cdaudio.free
838 
        jmp     .end
 838 
        jmp     .end
839 
 
 839 
 
840 
.eject:
 840 
.eject:
841 
        call    clear_CD_cache
 841 
        call    clear_CD_cache
842 
        call    allow_medium_removal
 842 
        call    allow_medium_removal
843 
        mov     [ignore_CD_eject_wait], 1
 843 
        mov     [ignore_CD_eject_wait], 1
844 
        call    EjectMedium
 844 
        call    EjectMedium
845 
        mov     [ignore_CD_eject_wait], 0
 845 
        mov     [ignore_CD_eject_wait], 0
846 
        ret
 846 
        ret
847 
iglobal
 847 
iglobal
848 
timer_ATAPI_check dd 0
 848 
timer_ATAPI_check dd 0
849 
ATAPI_IDE0_lock db 0
 849 
ATAPI_IDE0_lock db 0
850 
ATAPI_IDE1_lock db 0
 850 
ATAPI_IDE1_lock db 0
851 
ATAPI_IDE2_lock db 0
 851 
ATAPI_IDE2_lock db 0
852 
ATAPI_IDE3_lock db 0
 852 
ATAPI_IDE3_lock db 0
853 
ignore_CD_eject_wait db 0
 853 
ignore_CD_eject_wait db 0
854 
endg
 854 
endg
855 
;*************************************************
 855 
;*************************************************
856 
;* Ïîëó÷èòü ñîîáùåíèå î ñîáûòèè èëè ñîñòîÿíèè    *
 856 
;* Ïîëó÷èòü ñîîáùåíèå î ñîáûòèè èëè ñîñòîÿíèè    *
857 
;*                  óñòðîéñòâà                   *
 857 
;*                  óñòðîéñòâà                   *
858 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
 858 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
859 
;* ïåðåìåííûå:                                   *
 859 
;* ïåðåìåííûå:                                   *
860 
;* ChannelNumber - íîìåð êàíàëà;                 *
 860 
;* ChannelNumber - íîìåð êàíàëà;                 *
861 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
 861 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
862 
;*************************************************
 862 
;*************************************************
863 
GetEvent_StatusNotification:
 863 
GetEvent_StatusNotification:
864 
        pusha
 864 
        pusha
865 
        mov     [CDDataBuf_pointer], CDDataBuf
 865 
        mov     [CDDataBuf_pointer], CDDataBuf
866 
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
 866 
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
867 
        call    clear_packet_buffer
 867 
        call    clear_packet_buffer
868 
; Çàäàòü êîä êîìàíäû
 868 
; Çàäàòü êîä êîìàíäû
869 
        mov     [PacketCommand], byte 4Ah
 869 
        mov     [PacketCommand], byte 4Ah
870 
        mov     [PacketCommand+1], byte 00000001b
 870 
        mov     [PacketCommand+1], byte 00000001b
871 
; Çàäàòü çàïðîñ êëàññà ñîîáùåíèé
 871 
; Çàäàòü çàïðîñ êëàññà ñîîáùåíèé
872 
        mov     [PacketCommand+4], byte 00010000b
 872 
        mov     [PacketCommand+4], byte 00010000b
873 
; Ðàçìåð âûäåëåííîé îáëàñòè
 873 
; Ðàçìåð âûäåëåííîé îáëàñòè
874 
        mov     [PacketCommand+7], byte 8h
 874 
        mov     [PacketCommand+7], byte 8h
875 
        mov     [PacketCommand+8], byte 0h
 875 
        mov     [PacketCommand+8], byte 0h
876 
; Ïîäàòü êîìàíäó
 876 
; Ïîäàòü êîìàíäó
877 
        call    SendPacketDatCommand
 877 
        call    SendPacketDatCommand
878 
        popa
 878 
        popa
879 
        ret
 879 
        ret
880 
 
 880 
 
881 
;*************************************************
 881 
;*************************************************
882 
; ïðî÷èòàòü èíôîðìàöèþ èç TOC
 882 
; ïðî÷èòàòü èíôîðìàöèþ èç TOC
883 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
 883 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
884 
;* ïåðåìåííûå:                                   *
 884 
;* ïåðåìåííûå:                                   *
885 
;* ChannelNumber - íîìåð êàíàëà;                 *
 885 
;* ChannelNumber - íîìåð êàíàëà;                 *
886 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
 886 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
887 
;*************************************************
 887 
;*************************************************
888 
Read_TOC:
 888 
Read_TOC:
889 
        pusha
 889 
        pusha
890 
        mov     [CDDataBuf_pointer], CDDataBuf
 890 
        mov     [CDDataBuf_pointer], CDDataBuf
891 
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
 891 
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
892 
        call    clear_packet_buffer
 892 
        call    clear_packet_buffer
893 
; Ñôîðìèðîâàòü ïàêåòíóþ êîìàíäó äëÿ ñ÷èòûâàíèÿ
 893 
; Ñôîðìèðîâàòü ïàêåòíóþ êîìàíäó äëÿ ñ÷èòûâàíèÿ
894 
; ñåêòîðà äàííûõ
 894 
; ñåêòîðà äàííûõ
895 
        mov     [PacketCommand], byte 0x43
 895 
        mov     [PacketCommand], byte 0x43
896 
        ; Çàäàòü ôîðìàò
 896 
        ; Çàäàòü ôîðìàò
897 
        mov     [PacketCommand+2], byte 1
 897 
        mov     [PacketCommand+2], byte 1
898 
; Ðàçìåð âûäåëåííîé îáëàñòè
 898 
; Ðàçìåð âûäåëåííîé îáëàñòè
899 
        mov     [PacketCommand+7], byte 0xFF
 899 
        mov     [PacketCommand+7], byte 0xFF
900 
        mov     [PacketCommand+8], byte 0h
 900 
        mov     [PacketCommand+8], byte 0h
901 
; Ïîäàòü êîìàíäó
 901 
; Ïîäàòü êîìàíäó
902 
        call    SendPacketDatCommand
 902 
        call    SendPacketDatCommand
903 
        popa
 903 
        popa
904 
        ret
 904 
        ret
905 
 
 905 
 
906 
;*************************************************
 906 
;*************************************************
907 
;* ÎÏÐÅÄÅËÈÒÜ ÎÁÙÅÅ ÊÎËÈ×ÅÑÒÂÎ ÑÅÊÒÎÐΠÍÀ ÄÈÑÊÅ *
 907 
;* ÎÏÐÅÄÅËÈÒÜ ÎÁÙÅÅ ÊÎËÈ×ÅÑÒÂÎ ÑÅÊÒÎÐΠÍÀ ÄÈÑÊÅ *
908 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
 908 
;* Âõîäíûå ïàðàìåòðû ïåðåäàþòñÿ ÷åðåç ãëîáàëüíûå *
909 
;* ïåðåìåííûå:                                   *
 909 
;* ïåðåìåííûå:                                   *
910 
;* ChannelNumber - íîìåð êàíàëà;                 *
 910 
;* ChannelNumber - íîìåð êàíàëà;                 *
911 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
 911 
;* DiskNumber - íîìåð äèñêà íà êàíàëå.           *
912 
;*************************************************
 912 
;*************************************************
913 
;ReadCapacity:
 913 
;ReadCapacity:
914 
;       pusha
 914 
;       pusha
915 
;; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
 915 
;; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
916 
;       call  clear_packet_buffer
 916 
;       call  clear_packet_buffer
917 
;; Çàäàòü ðàçìåð áóôåðà â áàéòàõ
 917 
;; Çàäàòü ðàçìåð áóôåðà â áàéòàõ
918 
;       mov     [CDBlockSize],8
 918 
;       mov     [CDBlockSize],8
919 
;; Ñôîðìèðîâàòü êîìàíäó READ CAPACITY
 919 
;; Ñôîðìèðîâàòü êîìàíäó READ CAPACITY
920 
;       mov     [PacketCommand],word 25h
 920 
;       mov     [PacketCommand],word 25h
921 
;; Ïîäàòü êîìàíäó
 921 
;; Ïîäàòü êîìàíäó
922 
;       call    SendPacketDatCommand
 922 
;       call    SendPacketDatCommand
923 
;       popa
 923 
;       popa
924 
;       ret
 924 
;       ret
925 
 
 925 
 
926 
clear_packet_buffer:
 926 
clear_packet_buffer:
927 
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
 927 
; Î÷èñòèòü áóôåð ïàêåòíîé êîìàíäû
928 
        and     [PacketCommand], dword 0
 928 
        and     [PacketCommand], dword 0
929 
        and     [PacketCommand+4], dword 0
 929 
        and     [PacketCommand+4], dword 0
930 
        and     [PacketCommand+8], dword 0
 930 
        and     [PacketCommand+8], dword 0
931 
        ret
 931 
        ret