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1 | ha | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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2465 | Serge | 3 | ;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;; |
431 | serge | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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1 | ha | 6 | ;; PLAYNOTE.INC version 1.1 22 November 2003 ;; |
7 | ;; ;; |
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8 | ;; Player Notes for Speaker PC ;; |
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9 | ;; subfunction #55 from function #55 Menuet OS ;; |
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10 | ;; ;; |
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11 | ;; Copyright 2003 VaStaNi ;; |
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12 | ;; vastani@ukr.net ;; |
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13 | ;; >>>- SIMPLY - QUICKLY - SHORTLY -<<< ;; |
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14 | ;; ;; |
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15 | ;; Note: playnote.txt ;; |
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16 | ;; ;; |
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17 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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18 | |||
593 | mikedld | 19 | $Revision: 2465 $ |
20 | |||
802 | serge | 21 | align 4 |
22 | sound_interface: |
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593 | mikedld | 23 | |
2434 | Serge | 24 | cmp eax, ebx ; this is subfunction #55 ? |
25 | jne retFunc55 ; if no then return. |
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1 | ha | 26 | |
2434 | Serge | 27 | cmp byte [sound_flag], 0 |
28 | jne retFunc55 |
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802 | serge | 29 | |
2434 | Serge | 30 | movzx eax, byte [countDelayNote] |
31 | or al, al ; player is busy ? |
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32 | jnz retFunc55 ; return counter delay Note |
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802 | serge | 33 | |
2434 | Serge | 34 | mov [memAdrNote], esi;edx |
35 | call get_pid |
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36 | mov [pidProcessNote], eax |
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37 | xor eax, eax ; Ok! EAX = 0 |
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802 | serge | 38 | retFunc55: |
2434 | Serge | 39 | mov [esp+32], eax ; return value EAX for application |
40 | ret |
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802 | serge | 41 | |
42 | iglobal |
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43 | align 4 |
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44 | kontrOctave dw 0x4742, 0x4342, 0x3F7C, 0x3BEC, 0x388F, 0x3562 |
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45 | dw 0x3264, 0x2F8F, 0x2CE4, 0x2A5F, 0x2802, 0x25BF |
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46 | memAdrNote dd 0 |
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47 | pidProcessNote dd 0 |
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48 | slotProcessNote dd 0 |
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49 | count_timer_Note dd 1 |
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50 | mem8253r42 dw 0 |
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51 | countDelayNote db 0 |
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52 | endg |
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53 | |||
1 | ha | 54 | playNote: |
55 | ; jmp NotPlayNotes |
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2434 | Serge | 56 | mov esi, [memAdrNote] |
57 | or esi, esi ; ESI = 0 ? - OFF Notes Play ? |
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58 | jz NotPlayNotes ; if ESI = 0 -> ignore play pocedure |
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59 | cmp eax, [count_timer_Note] |
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60 | jb NotPlayNotes |
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61 | push eax |
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62 | inc eax |
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63 | mov [count_timer_Note], eax |
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64 | mov al, [countDelayNote] |
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65 | dec al ; decrement counter Delay for Playing Note |
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66 | jz NewLoadNote@Delay |
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67 | cmp al, 0xFF ; this is first Note Play ? |
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68 | jne NextDelayNote |
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1 | ha | 69 | ;This is FIRST Note, save counter channel 2 chip 8253 |
2434 | Serge | 70 | mov al, 0xB6 ; control byte to timer chip 8253 |
71 | out 0x43, al ; Send it to the control port chip 8253 |
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72 | in al, 0x42 ; Read Lower byte counter channel 2 chip 8253 |
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73 | mov ah, al ; AH = Lower byte counter channel 2 |
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74 | in al, 0x42 ; Read Upper byte counter channel 2 chip 8253 |
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75 | mov [mem8253r42], ax ; Save counter channel 2 timer chip 8253 |
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1 | ha | 76 | NewLoadNote@Delay: |
2434 | Serge | 77 | cld |
1 | ha | 78 | ; lodsb ; load AL - counter Delay |
2434 | Serge | 79 | call ReadNoteByte |
80 | or al, al ; THE END ? |
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81 | jz EndPlayNote |
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82 | cmp al, 0x81 |
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83 | jnc NoteforOctave |
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84 | mov [countDelayNote], al |
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1 | ha | 85 | ; lodsw ; load AX - counter for Note! |
2434 | Serge | 86 | call ReadNoteByte |
87 | mov ah, al |
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88 | call ReadNoteByte |
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89 | xchg al, ah |
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90 | jmp pokeNote |
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1 | ha | 91 | |
92 | EndPlayNote: ; THE END Play Notes! |
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2434 | Serge | 93 | in al, 0x61 ; Get contents of system port B chip 8255 |
94 | and al, 0xFC ; Turn OFF timer and speaker |
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95 | out 0x61, al ; Send out new values to port B chip 8255 |
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96 | mov ax, [mem8253r42] ; memorize counter channel 2 timer chip 8253 |
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97 | xchg al, ah ; reverse byte in word |
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98 | out 0x42, al ; restore Lower byte counter channel 2 |
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99 | mov al, ah ; AL = Upper byte counter channel 2 |
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100 | out 0x42, al ; restore Upper byte channel 2 |
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101 | xor eax, eax ; EAX = 0 |
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102 | mov [memAdrNote], eax; clear header control Delay-Note string |
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1 | ha | 103 | NextDelayNote: |
2434 | Serge | 104 | mov [countDelayNote], al; save new counter delay Note |
105 | pop eax |
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1 | ha | 106 | NotPlayNotes: |
107 | RET |
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108 | |||
109 | NoteforOctave: |
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2434 | Serge | 110 | sub al, 0x81 ; correction value for delay Note |
111 | mov [countDelayNote], al; save counter delay this new Note |
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1 | ha | 112 | ; lodsb ; load pack control code |
2434 | Serge | 113 | call ReadNoteByte |
114 | cmp al, 0xFF ; this is PAUSE ? |
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115 | jne packCode ; no, this is PACK CODE |
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116 | in al, 0x61 ; Get contents of system port B chip 8255 |
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117 | and al, 0xFC ; Turn OFF timer and speaker |
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118 | out 0x61, al ; Send out new values to port B chip 8255 |
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119 | jmp saveESI |
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1 | ha | 120 | |
121 | packCode: |
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2434 | Serge | 122 | mov cl, al ; save code |
123 | and al, 0xF ; clear upper bits |
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124 | dec al ; correction |
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125 | add al, al ; transform number to offset constant |
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126 | movsx eax, al ; EAX - offset |
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127 | add eax, dword kontrOctave; EAX - address from constant |
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128 | mov ax, [eax] ; read constant |
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129 | shr cl, 4 ; transform for number Octave |
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130 | shr ax, cl ; calculate from Note this Octave! |
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1 | ha | 131 | pokeNote: |
2434 | Serge | 132 | out 0x42, al ; Lower byte Out to channel 2 timer chip 8253 |
133 | mov al, ah |
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134 | out 0x42, al ; Upper byte Out to channel 2 timer chip 8253 |
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135 | in al, 0x61 ; Get contents of system port B chip 8255 |
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136 | or al, 3 ; Turn ON timer and speaker |
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137 | out 0x61, al ; Send out new values to port B chip 8255 |
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1 | ha | 138 | saveESI: |
139 | ; mov [memAdrNote], esi ; save new header control Delay-Note string |
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2434 | Serge | 140 | pop eax |
1 | ha | 141 | RET |
142 | ReadNoteByte: |
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143 | ;result: |
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144 | ; al - note |
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2434 | Serge | 145 | push eax |
146 | push ecx |
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147 | push edx |
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148 | push esi |
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1329 | Lrz | 149 | |
2434 | Serge | 150 | mov eax, [pidProcessNote] |
151 | call pid_to_slot |
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152 | test eax, eax |
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153 | jz .failed |
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154 | lea ecx, [esp+12] |
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155 | mov edx, 1 |
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156 | mov esi, [memAdrNote] |
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157 | inc [memAdrNote] |
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1329 | Lrz | 158 | |
2434 | Serge | 159 | call read_process_memory |
431 | serge | 160 | .failed: |
2434 | Serge | 161 | pop esi |
162 | pop edx |
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163 | pop ecx |
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164 | pop eax |
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165 | ret |
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1 | ha | 166 | ;------------------- END CODE -------------------><><<> |