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Rev | Author | Line No. | Line |
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802 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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2987 | Serge | 3 | ;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;; |
802 | serge | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
8 | format MS COFF |
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9 | |||
2010 | serge | 10 | include 'CONFIG.INC' |
802 | serge | 11 | |
12 | ;structs---------------------------------------------------------- |
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13 | struc IOCTL |
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2434 | Serge | 14 | { .handle dd ? |
15 | .io_code dd ? |
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16 | .input dd ? |
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17 | .inp_size dd ? |
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18 | .output dd ? |
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19 | .out_size dd ? |
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802 | serge | 20 | } |
21 | |||
22 | virtual at 0 |
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23 | IOCTL IOCTL |
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24 | end virtual |
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25 | |||
26 | ;something-------------------------------------------------------- |
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27 | public START |
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28 | public service_proc |
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29 | public version |
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30 | |||
31 | include '..\proc32.inc' |
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32 | include '..\imports.inc' |
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33 | |||
34 | section '.flat' code readable align 16 |
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35 | |||
2010 | serge | 36 | include 'SB16.INC' |
802 | serge | 37 | |
38 | ;------------------------------------------------------------------------------- |
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39 | proc START stdcall, state:dword |
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2434 | Serge | 40 | cmp [state], 1 |
41 | jne .stop |
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802 | serge | 42 | .entry: |
43 | |||
44 | if DEBUG |
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2434 | Serge | 45 | mov esi, msgInit |
46 | call SysMsgBoardStr |
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802 | serge | 47 | end if |
48 | |||
2434 | Serge | 49 | call detect ;returns DSP version or zero if |
50 | test eax, eax ;SB card not found |
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51 | jz .exit |
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802 | serge | 52 | |
53 | if DEBUG |
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2434 | Serge | 54 | movzx eax, al ;major version |
55 | mov esi, sb_DSP_description |
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56 | dec eax |
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57 | jz .sb_say_about_found_dsp |
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58 | mov dword[esi], '2.x ' |
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59 | dec eax |
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60 | jz .sb_say_about_found_dsp |
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61 | mov dword[esi], 'Pro ' |
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62 | dec eax |
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63 | jz .sb_say_about_found_dsp |
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64 | mov dword[esi], '16 ' |
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802 | serge | 65 | .sb_say_about_found_dsp: |
2434 | Serge | 66 | mov esi, msgDSPFound |
67 | call SysMsgBoardStr |
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802 | serge | 68 | end if |
2434 | Serge | 69 | ; xor eax,eax |
70 | ; mov ebx,[sb_base_port] |
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71 | ; lea ecx,[ebx+0xF] |
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72 | xor ebx, ebx |
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73 | mov ecx, [sb_base_port] |
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74 | lea edx, [ebx+0xF] |
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1306 | Lrz | 75 | |
2434 | Serge | 76 | call ReservePortArea ;these ports must be my! |
802 | serge | 77 | if DEBUG |
2434 | Serge | 78 | dec eax |
79 | jnz @f |
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80 | mov esi, msgErrRsrvPorts |
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81 | call SysMsgBoardStr |
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802 | serge | 82 | @@: |
83 | end if |
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84 | |||
2434 | Serge | 85 | call sb_setup ;clock it, etc |
802 | serge | 86 | |
2434 | Serge | 87 | stdcall AttachIntHandler, sb_irq_num, sb_irq, 0 |
802 | serge | 88 | |
89 | if DEBUG |
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2434 | Serge | 90 | test eax, eax |
91 | jnz @f |
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802 | serge | 92 | |
2434 | Serge | 93 | mov esi, msgErrAtchIRQ |
94 | call SysMsgBoardStr |
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802 | serge | 95 | |
2987 | Serge | 96 | ; stdcall GetIntHandler, sb_irq_num |
97 | ; call SysMsgBoardNum |
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802 | serge | 98 | |
2434 | Serge | 99 | jmp .stop |
802 | serge | 100 | @@: |
2434 | Serge | 101 | mov esi, msgSucAtchIRQ |
102 | call SysMsgBoardStr |
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802 | serge | 103 | end if |
2434 | Serge | 104 | stdcall RegService, my_service, service_proc |
105 | ret |
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802 | serge | 106 | .stop: |
2434 | Serge | 107 | call sb_reset |
802 | serge | 108 | .exit: |
109 | |||
110 | if DEBUG |
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2434 | Serge | 111 | mov esi, msgExit |
112 | call SysMsgBoardStr |
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802 | serge | 113 | end if |
114 | |||
2434 | Serge | 115 | xor eax, eax |
116 | ret |
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802 | serge | 117 | endp |
118 | ;------------------------------------------------------------------------------- |
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119 | |||
2434 | Serge | 120 | handle equ IOCTL.handle |
121 | io_code equ IOCTL.io_code |
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122 | input equ IOCTL.input |
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123 | inp_size equ IOCTL.inp_size |
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124 | output equ IOCTL.output |
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125 | out_size equ IOCTL.out_size |
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802 | serge | 126 | |
127 | align 4 |
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128 | proc service_proc stdcall, ioctl:dword |
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2434 | Serge | 129 | mov edi, [ioctl] |
130 | mov eax, [edi+io_code] |
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131 | cmp eax, SRV_GETVERSION |
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132 | jne @F |
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802 | serge | 133 | |
2434 | Serge | 134 | mov eax, [edi+output] |
135 | cmp [edi+out_size], 4 |
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136 | jne .fail |
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137 | mov [eax], dword API_VERSION |
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138 | xor eax, eax |
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139 | ret |
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802 | serge | 140 | @@: |
2434 | Serge | 141 | cmp eax, DEV_PLAY |
142 | jne @f |
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802 | serge | 143 | if DEBUG |
2434 | Serge | 144 | mov esi, msgPlay |
145 | call SysMsgBoardStr |
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802 | serge | 146 | end if |
2434 | Serge | 147 | call sb_stop ;to play smth new we must stop smth old |
802 | serge | 148 | |
2434 | Serge | 149 | call pre_fill_data ;fill first and second half of the buffer |
150 | call pre_fill_data ; |
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802 | serge | 151 | |
2434 | Serge | 152 | call sb_set_dma ;is it really needed here? Paranoia. |
153 | call sb_play |
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154 | xor eax, eax ;set maximum volume |
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155 | call sb_set_master_vol |
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156 | xor eax, eax |
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157 | ret |
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802 | serge | 158 | ;@@: ;all this commented stuff in service proc |
159 | ; cmp eax,DEV_STOP ;is never used. Mixer do this virtually, |
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160 | ; jne @f ;e.g. instead of stopping driver it |
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161 | ;if DEBUG ;outputs silence |
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162 | ; mov esi,msgStop |
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163 | ; call SysMsgBoardStr |
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164 | ;end if |
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165 | ; call sb_stop |
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166 | ; xor eax,eax |
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167 | ; ret |
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168 | @@: |
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2434 | Serge | 169 | cmp eax, DEV_CALLBACK |
170 | jne @f |
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802 | serge | 171 | if DEBUG |
2434 | Serge | 172 | mov esi, msgCallback |
173 | call SysMsgBoardStr |
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802 | serge | 174 | end if |
2434 | Serge | 175 | mov edi, [edi+input] |
176 | mov eax, [edi] |
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177 | mov [callback], eax |
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802 | serge | 178 | if DEBUG |
2434 | Serge | 179 | call SysMsgBoardNum |
802 | serge | 180 | end if |
2434 | Serge | 181 | xor eax, eax |
182 | ret |
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802 | serge | 183 | @@: |
2434 | Serge | 184 | cmp eax, DEV_SET_MASTERVOL;Serge asked me to unlock |
185 | jne @F ;DEV_SET(GET)_MASTERVOL, although mixer doesn't use it. |
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186 | ;It doesn't use it _in current version_ - but in the future... |
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802 | serge | 187 | |
850 | serge | 188 | if DEBUG |
2434 | Serge | 189 | mov esi, msgSetVol |
190 | call SysMsgBoardStr |
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850 | serge | 191 | end if |
2434 | Serge | 192 | mov eax, [edi+input] |
193 | mov eax, [eax] |
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194 | call sb_set_master_vol |
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195 | xor eax, eax |
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196 | ret |
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850 | serge | 197 | @@: |
2434 | Serge | 198 | cmp eax, DEV_GET_MASTERVOL |
199 | jne @F |
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850 | serge | 200 | if DEBUG |
2434 | Serge | 201 | mov esi, msgGetVol |
202 | call SysMsgBoardStr |
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850 | serge | 203 | end if |
2434 | Serge | 204 | mov eax, [edi+output] |
205 | mov edx, [sb_master_vol] |
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206 | mov [eax], edx |
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207 | xor eax, eax |
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208 | ret |
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850 | serge | 209 | |
802 | serge | 210 | .fail: |
2434 | Serge | 211 | or eax, -1 |
212 | ret |
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802 | serge | 213 | endp |
214 | |||
215 | restore handle |
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216 | restore io_code |
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217 | restore input |
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218 | restore inp_size |
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219 | restore output |
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220 | restore out_size |
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221 | |||
222 | ;------------------------------------------------------------------------------- |
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223 | align 4 |
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224 | proc sb_irq |
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2434 | Serge | 225 | mov edx, [sb_base_port];tell the DSP that we have processed IRQ |
226 | add dl, 0xF ;0xF for 16 bit sound, 0xE for 8 bit sound |
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227 | in al, dx ;for non-stop sound |
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802 | serge | 228 | |
229 | pre_fill_data: |
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2434 | Serge | 230 | mov eax, int_flip_flop |
231 | not dword[eax] |
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232 | mov eax, [eax] |
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233 | test eax, eax |
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234 | jns .fill_second_half |
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802 | serge | 235 | |
850 | serge | 236 | if sb_buffer_size eq small_buffer |
2434 | Serge | 237 | stdcall [callback], SB16Buffer0 ;for 32k buffer |
850 | serge | 238 | else if sb_buffer_size eq full_buffer |
2434 | Serge | 239 | stdcall [callback], SB16Buffer0 ;for 64k buffer |
240 | stdcall [callback], SB16Buffer1 ;for 64k buffer |
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850 | serge | 241 | end if |
2434 | Serge | 242 | xor eax, eax |
243 | not eax |
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244 | ret |
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802 | serge | 245 | |
246 | .fill_second_half: |
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850 | serge | 247 | if sb_buffer_size eq small_buffer |
2434 | Serge | 248 | stdcall [callback], SB16Buffer1 ;for 32k buffer |
850 | serge | 249 | else if sb_buffer_size eq full_buffer |
2434 | Serge | 250 | stdcall [callback], SB16Buffer2 ;for 64k buffer |
251 | stdcall [callback], SB16Buffer3 ;for 64k buffer |
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850 | serge | 252 | end if |
2434 | Serge | 253 | xor eax, eax |
254 | not eax |
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255 | ret |
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802 | serge | 256 | endp |
257 | ;------------------------------------------------------------------------------- |
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258 | align 4 |
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259 | proc detect |
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260 | .sb_detect_next_port: |
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261 | if DEBUG |
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2434 | Serge | 262 | inc dword[port_second_digit_num] |
802 | serge | 263 | end if |
2434 | Serge | 264 | mov edx, sb_base_port |
265 | add byte[edx], 10h |
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266 | cmp byte[edx], 80h |
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267 | jbe .sb_try_to_detect_at_specified_port |
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802 | serge | 268 | ;error - no SB card detected |
269 | .sb_not_found_err: |
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2434 | Serge | 270 | xor eax, eax |
271 | ret |
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802 | serge | 272 | |
273 | .sb_try_to_detect_at_specified_port: |
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2434 | Serge | 274 | call sb_reset |
275 | add dl, 8 |
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276 | mov ecx, 100 |
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802 | serge | 277 | .sb_check_port: |
2434 | Serge | 278 | in al, dx |
279 | test al, al ;is DSP port ready to be read? |
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280 | jns .sb_port_not_ready |
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802 | serge | 281 | |
2434 | Serge | 282 | sub dl, 4 |
283 | in al, dx ;check for AAh response |
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284 | add dl, 4 |
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285 | cmp al, 0xAA |
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286 | jne .sb_port_not_ready |
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802 | serge | 287 | .sb_card_found: |
2434 | Serge | 288 | and dl, 0xF0 |
289 | add dl, 0xC |
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290 | sb_out 0xE1 ;get DSP version |
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291 | add dl, 2 |
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802 | serge | 292 | @@: |
2434 | Serge | 293 | in al, dx |
294 | test al, al ;is DSP port ready to be read? |
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295 | jns @b |
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296 | sub dl, 4 |
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297 | in al, dx ;get major version |
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298 | ror eax, 16 |
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299 | add dl, 4 |
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802 | serge | 300 | @@: |
2434 | Serge | 301 | in al, dx |
302 | test al, al ;is DSP port ready to be read? |
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303 | jns @b |
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304 | sub dl, 4 |
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305 | in al, dx ;get minor version |
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306 | xor edx, edx |
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307 | mov dl, 10 |
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308 | div dl |
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309 | ror eax, 16 |
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310 | xor ah, ah |
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311 | mov [sb_DSP_version_int], eax;for internal usage |
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802 | serge | 312 | if DEBUG |
2434 | Serge | 313 | add [sb_DSP_version], eax |
802 | serge | 314 | end if |
2434 | Serge | 315 | ret |
802 | serge | 316 | |
317 | .sb_port_not_ready: |
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2434 | Serge | 318 | loop .sb_check_port ;100 retries (~100 microsec.) |
319 | jmp .sb_detect_next_port |
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802 | serge | 320 | endp |
321 | ;------------------------------------------------------------------------------- |
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322 | if DEBUG |
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850 | serge | 323 | proc SysMsgBoardNum ;warning: destroys eax,ebx,ecx,esi |
2434 | Serge | 324 | mov ebx, eax |
325 | mov ecx, 8 |
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326 | mov esi, (number_to_out+1) |
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802 | serge | 327 | .1: |
2434 | Serge | 328 | mov eax, ebx |
329 | and eax, 0xF |
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330 | add al, '0' |
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331 | cmp al, (10+'0') |
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332 | jb @f |
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333 | add al, ('A'-'0'-10) |
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802 | serge | 334 | @@: |
2434 | Serge | 335 | mov [esi+ecx], al |
336 | shr ebx, 4 |
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337 | loop .1 |
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338 | dec esi |
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339 | call SysMsgBoardStr |
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340 | ret |
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802 | serge | 341 | endp |
342 | end if |
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343 | ;all initialized data place here |
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344 | align 4 |
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345 | version dd (5 shl 16) or (API_VERSION and 0xFFFF) |
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346 | |||
2434 | Serge | 347 | sb_base_port: |
348 | dd 200h ;don't ask me why - see the code&docs |
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802 | serge | 349 | |
350 | sound_dma dd sb_dma_num |
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351 | |||
352 | ;note that 4th DMA channel doesn't exist, it is used for cascade |
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353 | ;plugging the first DMA controler to the second |
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354 | dma_table db 0x87,0x83,0x81,0x82,0xFF,0x8B,0x89,0x8A |
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355 | |||
356 | my_service db 'SOUND',0 ;max 16 chars include zero |
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357 | |||
358 | if DEBUG |
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359 | number_to_out db '0x00000000',13,10,0 |
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360 | |||
361 | msgInit db 'detecting hardware...',13,10,0 |
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362 | msgExit db 'exiting... May be some problems found?',13,10,0 |
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363 | msgPlay db 'start play',13,10,0 |
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364 | ;msgStop db 'stop play',13,10,0 |
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365 | msgCallback db 'set_callback received from the mixer!',13,10 |
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2434 | Serge | 366 | db 'callback handler is: ',0 |
802 | serge | 367 | msgErrAtchIRQ db 'failed to attach IRQ',(sb_irq_num+'0'),13,10 |
2434 | Serge | 368 | db 'owner',39,'s handler: ',0 |
802 | serge | 369 | msgSucAtchIRQ db 'succesfully attached IRQ',(sb_irq_num+'0') |
2434 | Serge | 370 | db ' as hardcoded',13,10,0 |
802 | serge | 371 | msgErrRsrvPorts db 'failed to reserve needed ports.',13,10 |
2434 | Serge | 372 | db 'Driver may work unstable',13,10,0 |
850 | serge | 373 | msgSetVol db 'DEV_SET_MASTERVOL call came',13,10,0 |
374 | msgGetVol db 'DEV_GET_MASTERVOL call came',13,10,0 |
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802 | serge | 375 | msgErrDMAsetup db 'failed to setup DMA - bad channel',13,10,0 |
376 | ;------------------------------------------------------------------------------- |
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377 | msgDSPFound db 'DSP found at port 2' |
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378 | label port_second_digit_num dword at $ |
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2434 | Serge | 379 | db '00h',13,10,'DSP version ' |
380 | sb_DSP_version: |
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381 | db '0.00 - SB' |
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382 | sb_DSP_description: |
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383 | db 32,32,32,32,13,10,0 |
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802 | serge | 384 | ;------------------------------------------------------------------------------- |
385 | end if |
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850 | serge | 386 | |
387 | section '.data' data readable writable align 16 |
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802 | serge | 388 | ;all uninitialized data place here |
850 | serge | 389 | |
390 | ;pTempBuf rd 1 |
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391 | |||
2434 | Serge | 392 | callback rd 1 |
850 | serge | 393 | |
2434 | Serge | 394 | int_flip_flop rd 1 |
850 | serge | 395 | |
2434 | Serge | 396 | sb_master_vol rd 1 |
850 | serge | 397 | |
398 | sb_DSP_version_int rd 1 |