1 | /*
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2 | =============================================================================
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3 | dopatch.c -- MIDAS-VII Patch facility -- execution functions
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4 | Version 15 -- 1988-11-15 -- D.N. Lynx Crowe
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5 | =============================================================================
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6 | */
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7 |
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8 | #define DEBUGPA 0
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9 |
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10 | #include "ram.h"
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11 |
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12 | #if DEBUGPA
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13 | short debugpa = 1;
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14 | #endif
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15 |
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16 | #define ST_NUL 0x0000 /* no subaddress breakdown */
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17 | #define ST_VGT 0x0001 /* break subaddress into voice, group */
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18 | #define ST_PCT 0x0002 /* break subaddress into port, chan, trig */
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19 |
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20 | uint16_t seqdupd; /* sequence display update flag */
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21 | int8_t ledstat[24]; /* LED status */
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22 |
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23 | int16_t frq2par[] = {1, 3, 5, 7}; /* Frq to par */
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24 |
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25 | int16_t ind2par[] = {9, 11, 12, 13, 14, 15}; /* Ind to par */
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26 |
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27 | int16_t cv2vce[] = {11, 10, 6, 8}; /* CV to voice */
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28 |
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29 | int16_t lg2base[7] = { 0, 3, 7, 10, 14, 17, 21}; /* LED group bases */
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30 |
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31 | int8_t vgtype[] = {
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32 |
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33 | ST_NUL, /* PA_NULL */
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34 |
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35 | ST_PCT, /* PA_KEY */
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36 | ST_PCT, /* PA_TRG */
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37 |
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38 | ST_NUL, /* PA_PLS */
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39 | ST_NUL, /* PA_LED */
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40 | ST_NUL, /* PA_SLIN */
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41 | ST_NUL, /* PA_SCTL */
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42 | ST_NUL, /* PA_TUNE */
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43 | ST_NUL, /* PA_RSET */
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44 | ST_NUL, /* PA_RADD */
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45 |
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46 | ST_VGT, /* PA_INST */
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47 | ST_VGT, /* PA_OSC */
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48 | ST_VGT, /* PA_WAVA */
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49 | ST_VGT, /* PA_WAVB */
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50 | ST_VGT, /* PA_CNFG */
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51 | ST_VGT, /* PA_LEVL */
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52 | ST_VGT, /* PA_INDX */
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53 | ST_VGT, /* PA_FREQ */
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54 | ST_VGT, /* PA_FILT */
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55 | ST_VGT, /* PA_FILQ */
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56 | ST_VGT, /* PA_LOCN */
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57 | ST_VGT, /* PA_DYNM */
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58 |
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59 | ST_NUL, /* PA_AUX */
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60 | ST_NUL, /* PA_RATE */
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61 | ST_NUL, /* PA_INTN */
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62 | ST_NUL, /* PA_DPTH */
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63 | ST_NUL, /* PA_VOUT */
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64 | };
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65 |
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66 | /*
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67 | =============================================================================
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68 | pdows() -- get a waveshape for a voice
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69 | =============================================================================
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70 | */
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71 |
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72 | void pdows(int16_t slot, int16_t voice, int16_t wsn)
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73 | {
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74 | uint16_t *fpuws;
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75 |
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76 | if (slot) { /* waveshape slot B */
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77 |
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78 | vbufs[voice].idhwsb = wsn;
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79 |
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80 | memcpyw(vbufs[voice].idhwvbf, &wslib[wsn],
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81 | NUMHARM + (2 * NUMWPNT));
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82 |
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83 | fpuws = io_fpu + FPU_OWST + (voice << 9) + 1;
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84 |
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85 | memcpyw(fpuws, vbufs[voice].idhwvbf, NUMWPNT);
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86 |
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87 | *(fpuws - 1) = vbufs[voice].idhwvbf[0];
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88 | *(fpuws + NUMWPNT) = vbufs[voice].idhwvbf[NUMWPNT - 1];
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89 |
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90 | } else { /* waveshape slot A */
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91 |
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92 | vbufs[voice].idhwsa = wsn;
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93 |
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94 | memcpyw(vbufs[voice].idhwvaf, &wslib[wsn],
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95 | NUMHARM + (2 * NUMWPNT));
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96 |
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97 | fpuws = io_fpu + FPU_OWST + (voice << 9) + 0x0100 + 1;
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98 |
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99 | memcpyw(fpuws, vbufs[curvce].idhwvaf, NUMWPNT);
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100 |
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101 | *(fpuws - 1) = vbufs[voice].idhwvaf[0];
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102 | *(fpuws + NUMWPNT) = vbufs[voice].idhwvaf[NUMWPNT - 1];
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103 |
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104 | }
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105 | }
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106 |
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107 | /*
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108 | =============================================================================
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109 | pfpufn() -- process an FPU function operation for a patch
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110 | =============================================================================
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111 | */
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112 |
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113 | void pfpufn(uint16_t voice, uint16_t par, uint16_t dat1, uint16_t dat2)
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114 | {
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115 | register uint16_t *fpu;
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116 | int16_t delay;
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117 |
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118 | fpu = io_fpu + FPU_OFNC + (voice << 8) + (par << 4);
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119 |
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120 | switch (dat1) {
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121 |
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122 | case PSA_SRC: /* source */
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123 | break;
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124 |
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125 | case PSA_MLT: /* multiplier */
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126 |
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127 | *(fpu + (int32_t)FPU_TSF1) = dat2;
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128 | break;
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129 |
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130 | case PSA_TIM: /* time */
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131 |
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132 | *(fpu + (int32_t)FPU_TMNT) = (((int32_t)dat2 & 0x0000FFF0L)
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133 | * ((int32_t)timemlt & 0x0000FFFFL)) >> 15;
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134 |
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135 | ++delay;
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136 |
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137 | *(fpu + (int32_t)FPU_TEXP) = expbit[dat2 & 0x000F];
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138 |
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139 | break;
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140 |
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141 | case PSA_VAL: /* value */
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142 |
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143 | sendval(voice, par, dat2);
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144 | break;
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145 |
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146 | case PSA_FNC: /* function */
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147 | break;
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148 |
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149 | default: /* something weird got in here ... */
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150 | break;
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151 | }
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152 | }
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153 |
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154 | /*
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155 | =============================================================================
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156 | pdoctl() -- do oscillator control for a patch entry
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157 | =============================================================================
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158 | */
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159 |
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160 | void pdoctl(int16_t voice, int16_t osc, int16_t dat1, int16_t dat2)
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161 | {
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162 | register struct instdef *ip;
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163 |
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164 | ip = &vbufs[voice];
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165 | bform = dat1;
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166 | setoval(ip, osc, dat2 >> 1);
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167 | }
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168 |
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169 | /*
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170 | =============================================================================
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171 | dopatch() -- execute a patch entry
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172 | =============================================================================
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173 | */
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174 |
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175 | void dopatch(struct patch *pp)
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176 | {
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177 | register uint16_t suba, dat1, dat2;
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178 | register int16_t i, temp;
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179 | register int8_t *ser, *iorec;
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180 | uint16_t chan, oldsr, osc, port, spec, sat,trig, vgr, vgn, vgt;
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181 | int16_t baseled, curled, ledctl;
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182 |
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183 | spec = PE_SPEC & pp->paspec; /* destination */
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184 | suba = pp->pasuba; /* sub address */
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185 | dat1 = pp->padat1; /* data word 1 */
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186 | dat2 = pp->padat2; /* data word 2 */
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187 |
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188 | sat = vgtype[spec]; /* sub-address type */
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189 |
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190 | if (ST_VGT & sat) { /* vg, osc sub-address types */
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191 |
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192 | vgr = 0x00FF & (suba >> 8); /* voice / group */
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193 | osc = 0x00FF & suba; /* oscillator */
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194 |
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195 | if (vgr > 11) { /* sort out voices from groups */
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196 |
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197 | vgt = 1; /* group */
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198 | vgn = vgr - 12;
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199 |
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200 | } else {
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201 |
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202 | vgt = 0; /* voice */
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203 | vgn = vgr;
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204 | }
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205 |
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206 | } else if (ST_PCT & sat) { /* port, chan, trig sub-address types */
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207 |
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208 | port = 0x0003 & (suba >> 11); /* port */
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209 | chan = 0x000F & (suba >> 7); /* channel */
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210 | trig = 0x007F & suba; /* trigger */
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211 | }
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212 |
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213 | switch (spec) { /* dispatch on destination */
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214 |
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215 | case PA_KEY: /* key action */
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216 |
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217 | if ((dat2 EQ 0) OR (dat2 EQ 2))
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218 | putwq(&ptefifo, suba & 0x1FFF); /* closure */
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219 |
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220 | if ((dat2 EQ 0) OR (dat2 EQ 1))
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221 | putwq(&ptefifo, suba | 0x8000); /* release */
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222 |
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223 | break;
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224 |
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225 | case PA_TRG: /* trigger */
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226 |
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227 | trig &= 0x000F;
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228 | trstate[trig] = dat2;
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229 |
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230 | if (dat2)
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231 | putwq(&ptefifo, suba); /* closure */
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232 |
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233 | seqdupd |= (1 << trig);
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234 | break;
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235 |
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236 | case PA_PLS: /* pulse output */
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237 |
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238 | if (suba) {
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239 |
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240 | ser = &io_midi + 10L; /* pulse 2 */
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241 | iorec = M2IoRec;
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242 |
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243 | } else {
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244 |
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245 | ser = &io_midi + 2L; /* pulse 1 */
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246 | iorec = M1IoRec;
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247 | }
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248 |
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249 | oldsr = setsr(0x2700); /* DISABLE INTERRUPTS */
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250 |
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251 | temp = iorec[29]; /* get current CFR1 */
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252 |
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253 | switch (dat2) { /* switch on operation */
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254 |
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255 | case 0: /* transient */
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256 |
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257 | *ser = temp | 0x0082; /* on */
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258 | *ser = (temp & 0x00FD) | 0x0080; /* off */
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259 | break;
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260 |
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261 | case 1: /* off */
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262 |
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263 | *ser = (temp & 0x00FD) | 0x0080; /* off */
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264 | break;
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265 |
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266 | case 2: /* on */
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267 |
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268 | *ser = temp | 0x0082; /* on */
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269 | break;
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270 | }
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271 |
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272 | setsr(oldsr); /* RESTORE INTERRUPTS */
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273 |
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274 | break;
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275 |
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276 | case PA_LED: /* LED control */
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277 |
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278 | baseled = lg2base[suba]; /* get base of LED group */
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279 |
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280 | for (i = 0; i < (3 + (suba & 1)); i++) { /* scan LEDs */
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281 |
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282 | curled = i + baseled;
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283 | ledctl = 0x0003 & (dat1 >> (14 - (i << 1)));
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284 |
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285 | if (ledctl EQ 1) { /* on */
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286 |
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287 | ledstat[curled] = TRUE;
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288 | io_leds = curled;
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289 |
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290 | } else if (ledctl EQ 2) { /* off */
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291 |
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292 | ledstat[curled] = FALSE;
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293 | io_leds = curled | 0x0080;
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294 |
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295 | } else if (ledctl EQ 3) { /* toggle */
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296 |
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297 | if (ledstat[curled]) { /* on -> off */
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298 |
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299 | ledstat[curled] = FALSE;
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300 | io_leds = curled | 0x0080;
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301 |
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302 | } else { /* off -> on */
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303 |
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304 | ledstat[curled] = TRUE;
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305 | io_leds = curled;
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306 | }
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307 | }
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308 | }
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309 |
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310 | break;
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311 |
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312 | case PA_SLIN: /* sequence line */
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313 |
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314 | seqline[suba] = dat1;
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315 | seqdupd |= (1 << suba);
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316 | break;
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317 |
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318 | case PA_SCTL: /* sequence control */
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319 |
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320 |
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321 | if (dat2) { /* start */
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322 |
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323 | seqflag[suba] |= (SQF_RUN|SQF_CLK);
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324 | seqtime[suba] = seqtab[seqline[suba]].seqtime;
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325 |
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326 | #if DEBUGPA
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327 | if (debugsw AND debugpa)
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328 | printf("dopatch($%08lX): SLIN %02u %03u %5u RUN\n",
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329 | pp, suba, seqline[suba], seqtime[suba]);
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330 | #endif
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331 |
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332 | } else { /* stop */
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333 |
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334 | seqflag[suba] = 0;
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335 | seqtime[suba] = 0;
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336 |
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337 | #if DEBUGPA
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338 | if (debugsw AND debugpa)
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339 | printf("dopatch($%08lX): SLIN %02u %03u STOP\n",
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340 | pp, suba, seqline[suba]);
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341 | #endif
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342 |
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343 | }
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344 |
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345 | seqdupd |= (1 << suba);
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346 | break;
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347 |
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348 | case PA_TUNE: /* tuning table */
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349 |
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350 | gettun(dat1);
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351 | break;
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352 |
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353 | case PA_RSET: /* register set */
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354 |
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355 | sregval[suba] = dat1 ? sregval[dat2] : dat2;
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356 | seqdupd |= (1 << suba);
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357 | break;
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358 |
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359 | case PA_RADD: /* regsister add */
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360 |
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361 | temp = sregval[suba] + (dat1 ? sregval[dat2] : dat2);
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362 |
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363 | if (temp > 99)
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364 | temp = 99;
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365 | else if (temp < 0)
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366 | temp = 0;
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367 |
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368 | sregval[suba] = temp;
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369 | seqdupd |= (1 << suba);
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370 | break;
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371 |
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372 | case PA_INST: /* instrument select */
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373 |
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374 | if (vgt) { /* group */
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375 |
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376 | ins2grp[vgn] = (ins2grp[vgn] & 0xFF00) | dat1;
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377 | setv2gi(vgn);
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378 |
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379 | } else { /* voice */
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380 |
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381 | if (curvce EQ vgn)
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382 | curinst = dat1;
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383 |
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384 | s_inst[vgn] = dat1;
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385 | execins(vgn, dat1, 1);
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386 | }
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387 |
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388 | break;
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389 |
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390 | case PA_OSC: /* oscillator control */
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391 |
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392 | if (vgt) { /* group */
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393 |
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394 | for (i = 0; i < 12; i++)
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395 | if (vce2grp[i] EQ (1 + vgn))
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396 | pdoctl(i, osc, dat1, dat2);
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397 |
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398 | } else { /* voice */
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399 |
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400 | pdoctl(vgn, osc, dat1, dat2);
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401 | }
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402 |
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403 | break;
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404 |
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405 | case PA_WAVA: /* waveshape A select */
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406 |
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407 | if (vgt) { /* group */
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408 |
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409 | for (i = 0; i < 12; i++)
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410 | if (vce2grp[i] EQ (1 + vgn))
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411 | pdows(0, i, dat1);
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412 |
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413 | } else { /* voice */
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414 |
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415 | pdows(0, vgn, dat1);
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416 | }
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417 |
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418 | break;
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419 |
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420 | case PA_WAVB: /* waveshape B select */
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421 |
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422 | if (vgt) { /* group */
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423 |
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424 | for (i = 0; i < 12; i++)
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425 | if (vce2grp[i] EQ (1 + vgn))
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426 | pdows(1, i, dat1);
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427 |
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428 | } else { /* voice */
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429 |
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430 | pdows(1, vgn, dat1);
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431 | }
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432 |
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433 | break;
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434 |
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435 | case PA_CNFG: /* configuration select */
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436 |
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437 | if (vgt) {
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438 |
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439 | for (i = 0; i < 12; i++)
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440 | if (vce2grp[i] EQ (1 + vgn)) {
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441 |
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442 | vbufs[i].idhcfg = dat1;
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443 | dosync(i);
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444 | }
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445 | } else {
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446 |
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447 | vbufs[vgn].idhcfg = dat1;
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448 | dosync(vgn);
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449 | }
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450 |
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451 | break;
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452 |
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453 | case PA_LEVL: /* level */
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454 |
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455 | if (vgt) { /* group */
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456 |
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457 | for (i = 0; i < 12; i++)
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458 | if (vce2grp[i] EQ (1 + vgn))
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459 | pfpufn(i, 2, dat1, dat2);
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460 |
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461 | } else { /* voice */
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462 |
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463 | pfpufn(vgn, 2, dat1, dat2);
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464 | }
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465 |
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466 | break;
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467 |
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468 | case PA_INDX: /* index */
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469 |
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470 | if (vgt) { /* group */
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471 |
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472 | for (i = 0; i < 12; i++)
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473 | if (vce2grp[i] EQ (1 + vgn))
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474 | pfpufn(i, ind2par[osc], dat1, dat2);
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475 |
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476 | } else { /* voice */
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477 |
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478 | pfpufn(vgn, ind2par[osc], dat1, dat2);
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479 | }
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480 |
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481 | break;
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482 |
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483 | case PA_FREQ: /* frequency */
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484 |
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485 | if (vgt) { /* group */
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486 |
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487 | for (i = 0; i < 12; i++)
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488 | if (vce2grp[i] EQ (1 + vgn))
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489 | pfpufn(i, frq2par[osc], dat1, dat2);
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490 |
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491 | } else { /* voice */
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492 |
|
---|
493 | pfpufn(vgn, frq2par[osc], dat1, dat2);
|
---|
494 | }
|
---|
495 |
|
---|
496 | break;
|
---|
497 |
|
---|
498 | case PA_FILT: /* filter frequency */
|
---|
499 |
|
---|
500 | if (vgt) { /* group */
|
---|
501 |
|
---|
502 | for (i = 0; i < 12; i++)
|
---|
503 | if (vce2grp[i] EQ (1 + vgn))
|
---|
504 | pfpufn(i, 10, dat1, dat2);
|
---|
505 |
|
---|
506 | } else { /* voice */
|
---|
507 |
|
---|
508 | pfpufn(vgn, 10, dat1, dat2);
|
---|
509 | }
|
---|
510 |
|
---|
511 | break;
|
---|
512 |
|
---|
513 | case PA_FILQ: /* filter resonance */
|
---|
514 |
|
---|
515 | if (vgt) { /* group */
|
---|
516 |
|
---|
517 | for (i = 0; i < 12; i++)
|
---|
518 | if (vce2grp[i] EQ (1 + vgn))
|
---|
519 | pfpufn(i, 6, dat1, dat2);
|
---|
520 |
|
---|
521 | } else { /* voice */
|
---|
522 |
|
---|
523 | pfpufn(vgn, 6, dat1, dat2);
|
---|
524 | }
|
---|
525 |
|
---|
526 | break;
|
---|
527 |
|
---|
528 | case PA_LOCN: /* location */
|
---|
529 |
|
---|
530 | if (vgt) { /* group */
|
---|
531 |
|
---|
532 | for (i = 0; i < 12; i++)
|
---|
533 | if (vce2grp[i] EQ (1 + vgn))
|
---|
534 | pfpufn(i, 4, dat1, dat2);
|
---|
535 |
|
---|
536 | } else { /* voice */
|
---|
537 |
|
---|
538 | pfpufn(vgn, 4, dat1, dat2);
|
---|
539 | }
|
---|
540 |
|
---|
541 | break;
|
---|
542 |
|
---|
543 | case PA_DYNM: /* dynamics */
|
---|
544 |
|
---|
545 | if (vgt) { /* group */
|
---|
546 |
|
---|
547 | for (i = 0; i < 12; i++)
|
---|
548 | if (vce2grp[i] EQ (1 + vgn))
|
---|
549 | pfpufn(i, 8, dat1, dat2);
|
---|
550 |
|
---|
551 | } else { /* voice */
|
---|
552 |
|
---|
553 | pfpufn(vgn, 8, dat1, dat2);
|
---|
554 | }
|
---|
555 |
|
---|
556 | break;
|
---|
557 |
|
---|
558 | case PA_AUX: /* auxiliary control */
|
---|
559 |
|
---|
560 | pfpufn(9, 0, dat1, dat2);
|
---|
561 | break;
|
---|
562 |
|
---|
563 | case PA_RATE: /* phase shifter rate */
|
---|
564 |
|
---|
565 | pfpufn(2, 0, dat1, dat2);
|
---|
566 | break;
|
---|
567 |
|
---|
568 | case PA_INTN: /* phase shifter intensity */
|
---|
569 |
|
---|
570 | pfpufn(1, 0, dat1, dat2);
|
---|
571 | break;
|
---|
572 |
|
---|
573 | case PA_DPTH: /* phase shifter depth */
|
---|
574 |
|
---|
575 | pfpufn(3, 0, dat1, dat2);
|
---|
576 | break;
|
---|
577 |
|
---|
578 | case PA_VOUT: /* control voltage output */
|
---|
579 |
|
---|
580 | pfpufn(cv2vce[suba], 0, dat1, dat2);
|
---|
581 | break;
|
---|
582 |
|
---|
583 | }
|
---|
584 | }
|
---|
585 |
|
---|