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 | /* |
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24 |
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25 | */
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26 |
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27 | int16_t frq2par[] = {1, 3, 5, 7}; /* Frq to par */
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28 |
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29 | int16_t ind2par[] = {9, 11, 12, 13, 14, 15}; /* Ind to par */
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30 |
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31 | int16_t cv2vce[] = {11, 10, 6, 8}; /* CV to voice */
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32 |
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33 | int16_t lg2base[7] = { 0, 3, 7, 10, 14, 17, 21}; /* LED group bases */
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34 |
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35 | int8_t vgtype[] = {
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36 |
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37 | ST_NUL, /* PA_NULL */
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38 |
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39 | ST_PCT, /* PA_KEY */
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40 | ST_PCT, /* PA_TRG */
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41 |
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42 | ST_NUL, /* PA_PLS */
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43 | ST_NUL, /* PA_LED */
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44 | ST_NUL, /* PA_SLIN */
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45 | ST_NUL, /* PA_SCTL */
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46 | ST_NUL, /* PA_TUNE */
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47 | ST_NUL, /* PA_RSET */
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48 | ST_NUL, /* PA_RADD */
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49 |
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50 | ST_VGT, /* PA_INST */
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51 | ST_VGT, /* PA_OSC */
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52 | ST_VGT, /* PA_WAVA */
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53 | ST_VGT, /* PA_WAVB */
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54 | ST_VGT, /* PA_CNFG */
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55 | ST_VGT, /* PA_LEVL */
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56 | ST_VGT, /* PA_INDX */
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57 | ST_VGT, /* PA_FREQ */
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58 | ST_VGT, /* PA_FILT */
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59 | ST_VGT, /* PA_FILQ */
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60 | ST_VGT, /* PA_LOCN */
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61 | ST_VGT, /* PA_DYNM */
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62 |
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63 | ST_NUL, /* PA_AUX */
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64 | ST_NUL, /* PA_RATE */
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65 | ST_NUL, /* PA_INTN */
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66 | ST_NUL, /* PA_DPTH */
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67 | ST_NUL, /* PA_VOUT */
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68 | };
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69 |
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70 | /* |
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71 |
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72 | */
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73 |
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74 | /*
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75 | =============================================================================
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76 | pdows() -- get a waveshape for a voice
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77 | =============================================================================
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78 | */
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79 |
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80 | void pdows(int16_t slot, int16_t voice, int16_t wsn)
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81 | {
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82 | uint16_t *fpuws;
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83 |
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84 | if (slot) { /* waveshape slot B */
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85 |
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86 | vbufs[voice].idhwsb = wsn;
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87 |
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88 | memcpyw(vbufs[voice].idhwvbf, &wslib[wsn],
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89 | NUMHARM + (2 * NUMWPNT));
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90 |
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91 | fpuws = io_fpu + FPU_OWST + (voice << 9) + 1;
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92 |
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93 | memcpyw(fpuws, vbufs[voice].idhwvbf, NUMWPNT);
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94 |
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95 | *(fpuws - 1) = vbufs[voice].idhwvbf[0];
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96 | *(fpuws + NUMWPNT) = vbufs[voice].idhwvbf[NUMWPNT - 1];
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97 |
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98 | } else { /* waveshape slot A */
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99 |
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100 | vbufs[voice].idhwsa = wsn;
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101 |
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102 | memcpyw(vbufs[voice].idhwvaf, &wslib[wsn],
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103 | NUMHARM + (2 * NUMWPNT));
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104 |
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105 | fpuws = io_fpu + FPU_OWST + (voice << 9) + 0x0100 + 1;
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106 |
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107 | memcpyw(fpuws, vbufs[curvce].idhwvaf, NUMWPNT);
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108 |
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109 | *(fpuws - 1) = vbufs[voice].idhwvaf[0];
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110 | *(fpuws + NUMWPNT) = vbufs[voice].idhwvaf[NUMWPNT - 1];
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111 |
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112 | }
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113 | }
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114 |
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115 | /* |
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116 |
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117 | */
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118 |
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119 | /*
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120 | =============================================================================
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121 | pfpufn() -- process an FPU function operation for a patch
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122 | =============================================================================
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123 | */
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124 |
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125 | void pfpufn(uint16_t voice, uint16_t par, uint16_t dat1, uint16_t dat2)
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126 | {
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127 | register uint16_t *fpu;
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128 | int16_t delay;
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129 |
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130 | fpu = io_fpu + FPU_OFNC + (voice << 8) + (par << 4);
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131 |
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132 | switch (dat1) {
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133 |
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134 | case PSA_SRC: /* source */
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135 | break;
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136 |
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137 | case PSA_MLT: /* multiplier */
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138 |
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139 | *(fpu + (int32_t)FPU_TSF1) = dat2;
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140 | break;
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141 |
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142 | case PSA_TIM: /* time */
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143 |
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144 | *(fpu + (int32_t)FPU_TMNT) = (((int32_t)dat2 & 0x0000FFF0L)
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145 | * ((int32_t)timemlt & 0x0000FFFFL)) >> 15;
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146 |
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147 | ++delay;
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148 |
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149 | *(fpu + (int32_t)FPU_TEXP) = expbit[dat2 & 0x000F];
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150 |
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151 | break;
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152 |
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153 | case PSA_VAL: /* value */
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154 |
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155 | sendval(voice, par, dat2);
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156 | break;
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157 |
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158 | case PSA_FNC: /* function */
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159 | break;
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160 |
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161 | default: /* something weird got in here ... */
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162 | break;
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163 | }
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164 | }
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165 |
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166 | /* |
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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 | =============================================================================
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172 | pdoctl() -- do oscillator control for a patch entry
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173 | =============================================================================
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174 | */
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175 |
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176 | void pdoctl(int16_t voice, int16_t osc, int16_t dat1, int16_t dat2)
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177 | {
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178 | register struct instdef *ip;
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179 |
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180 | ip = &vbufs[voice];
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181 | bform = dat1;
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182 | setoval(ip, osc, dat2 >> 1);
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183 | }
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184 |
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185 | /* |
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186 |
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187 | */
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188 |
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189 | /*
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190 | =============================================================================
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191 | dopatch() -- execute a patch entry
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192 | =============================================================================
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193 | */
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194 |
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195 | void dopatch(struct patch *pp)
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196 | {
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197 | register uint16_t suba, dat1, dat2;
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198 | register int16_t i, temp;
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199 | register int8_t *ser, *iorec;
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200 | uint16_t chan, oldsr, osc, port, spec, sat,trig, vgr, vgn, vgt;
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201 | int16_t baseled, curled, ledctl;
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202 |
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203 | spec = PE_SPEC & pp->paspec; /* destination */
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204 | suba = pp->pasuba; /* sub address */
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205 | dat1 = pp->padat1; /* data word 1 */
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206 | dat2 = pp->padat2; /* data word 2 */
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207 |
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208 | sat = vgtype[spec]; /* sub-address type */
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209 |
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210 | if (ST_VGT & sat) { /* vg, osc sub-address types */
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211 |
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212 | vgr = 0x00FF & (suba >> 8); /* voice / group */
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213 | osc = 0x00FF & suba; /* oscillator */
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214 |
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215 | if (vgr > 11) { /* sort out voices from groups */
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216 |
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217 | vgt = 1; /* group */
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218 | vgn = vgr - 12;
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219 |
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220 | } else {
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221 |
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222 | vgt = 0; /* voice */
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223 | vgn = vgr;
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224 | }
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225 |
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226 | } else if (ST_PCT & sat) { /* port, chan, trig sub-address types */
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227 |
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228 | port = 0x0003 & (suba >> 11); /* port */
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229 | chan = 0x000F & (suba >> 7); /* channel */
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230 | trig = 0x007F & suba; /* trigger */
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231 | }
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232 | /* |
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233 |
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234 | */
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235 | switch (spec) { /* dispatch on destination */
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236 |
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237 | case PA_KEY: /* key action */
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238 |
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239 | if ((dat2 EQ 0) OR (dat2 EQ 2))
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240 | putwq(&ptefifo, suba & 0x1FFF); /* closure */
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241 |
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242 | if ((dat2 EQ 0) OR (dat2 EQ 1))
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243 | putwq(&ptefifo, suba | 0x8000); /* release */
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244 |
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245 | break;
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246 |
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247 | case PA_TRG: /* trigger */
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248 |
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249 | trig &= 0x000F;
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250 | trstate[trig] = dat2;
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251 |
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252 | if (dat2)
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253 | putwq(&ptefifo, suba); /* closure */
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254 |
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255 | seqdupd |= (1 << trig);
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256 | break;
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257 |
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258 | case PA_PLS: /* pulse output */
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259 |
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260 | if (suba) {
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261 |
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262 | ser = &io_midi + 10L; /* pulse 2 */
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263 | iorec = M2IoRec;
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264 |
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265 | } else {
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266 |
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267 | ser = &io_midi + 2L; /* pulse 1 */
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268 | iorec = M1IoRec;
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269 | }
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270 |
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271 | oldsr = setsr(0x2700); /* DISABLE INTERRUPTS */
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272 |
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273 | temp = iorec[29]; /* get current CFR1 */
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274 |
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275 | switch (dat2) { /* switch on operation */
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276 |
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277 | case 0: /* transient */
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278 |
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279 | *ser = temp | 0x0082; /* on */
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280 | *ser = (temp & 0x00FD) | 0x0080; /* off */
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281 | break;
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282 |
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283 | case 1: /* off */
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284 |
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285 | *ser = (temp & 0x00FD) | 0x0080; /* off */
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286 | break;
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287 |
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288 | case 2: /* on */
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289 |
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290 | *ser = temp | 0x0082; /* on */
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291 | break;
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292 | }
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293 |
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294 | setsr(oldsr); /* RESTORE INTERRUPTS */
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295 |
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296 | break;
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297 | /* |
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298 |
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299 | */
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300 | case PA_LED: /* LED control */
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301 |
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302 | baseled = lg2base[suba]; /* get base of LED group */
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303 |
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304 | for (i = 0; i < (3 + (suba & 1)); i++) { /* scan LEDs */
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305 |
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306 | curled = i + baseled;
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307 | ledctl = 0x0003 & (dat1 >> (14 - (i << 1)));
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308 |
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309 | if (ledctl EQ 1) { /* on */
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310 |
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311 | ledstat[curled] = TRUE;
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312 | io_leds = curled;
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313 |
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314 | } else if (ledctl EQ 2) { /* off */
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315 |
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316 | ledstat[curled] = FALSE;
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317 | io_leds = curled | 0x0080;
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318 |
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319 | } else if (ledctl EQ 3) { /* toggle */
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320 |
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321 | if (ledstat[curled]) { /* on -> off */
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322 |
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323 | ledstat[curled] = FALSE;
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324 | io_leds = curled | 0x0080;
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325 |
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326 | } else { /* off -> on */
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327 |
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328 | ledstat[curled] = TRUE;
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329 | io_leds = curled;
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330 | }
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331 | }
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332 | }
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333 |
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334 | break;
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335 |
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336 | case PA_SLIN: /* sequence line */
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337 |
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338 | seqline[suba] = dat1;
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339 | seqdupd |= (1 << suba);
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340 | break;
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341 |
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342 | case PA_SCTL: /* sequence control */
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343 |
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344 |
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345 | if (dat2) { /* start */
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346 |
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347 | seqflag[suba] |= (SQF_RUN|SQF_CLK);
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348 | seqtime[suba] = seqtab[seqline[suba]].seqtime;
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349 |
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350 | #if DEBUGPA
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351 | if (debugsw AND debugpa)
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352 | printf("dopatch($%08lX): SLIN %02u %03u %5u RUN\n",
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353 | pp, suba, seqline[suba], seqtime[suba]);
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354 | #endif
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355 |
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356 | } else { /* stop */
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357 |
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358 | seqflag[suba] = 0;
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359 | seqtime[suba] = 0;
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360 |
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361 | #if DEBUGPA
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362 | if (debugsw AND debugpa)
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363 | printf("dopatch($%08lX): SLIN %02u %03u STOP\n",
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364 | pp, suba, seqline[suba]);
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365 | #endif
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366 |
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367 | }
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368 |
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369 | seqdupd |= (1 << suba);
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370 | break;
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371 | /* |
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372 |
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373 | */
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374 | case PA_TUNE: /* tuning table */
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375 |
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376 | gettun(dat1);
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377 | break;
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378 |
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379 | case PA_RSET: /* register set */
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380 |
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381 | sregval[suba] = dat1 ? sregval[dat2] : dat2;
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382 | seqdupd |= (1 << suba);
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383 | break;
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384 |
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385 | case PA_RADD: /* regsister add */
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386 |
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387 | temp = sregval[suba] + (dat1 ? sregval[dat2] : dat2);
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388 |
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389 | if (temp > 99)
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390 | temp = 99;
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391 | else if (temp < 0)
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392 | temp = 0;
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393 |
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394 | sregval[suba] = temp;
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395 | seqdupd |= (1 << suba);
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396 | break;
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397 |
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398 | case PA_INST: /* instrument select */
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399 |
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400 | if (vgt) { /* group */
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401 |
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402 | ins2grp[vgn] = (ins2grp[vgn] & 0xFF00) | dat1;
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403 | setv2gi(vgn);
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404 |
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405 | } else { /* voice */
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406 |
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407 | if (curvce EQ vgn)
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408 | curinst = dat1;
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409 |
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410 | s_inst[vgn] = dat1;
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411 | execins(vgn, dat1, 1);
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412 | }
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413 |
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414 | break;
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415 | /* |
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416 |
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417 | */
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418 |
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419 | case PA_OSC: /* oscillator control */
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420 |
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421 | if (vgt) { /* group */
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422 |
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423 | for (i = 0; i < 12; i++)
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424 | if (vce2grp[i] EQ (1 + vgn))
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425 | pdoctl(i, osc, dat1, dat2);
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426 |
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427 | } else { /* voice */
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428 |
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429 | pdoctl(vgn, osc, dat1, dat2);
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430 | }
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431 |
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432 | break;
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433 | /* |
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434 |
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435 | */
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436 | case PA_WAVA: /* waveshape A select */
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437 |
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438 | if (vgt) { /* group */
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439 |
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440 | for (i = 0; i < 12; i++)
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441 | if (vce2grp[i] EQ (1 + vgn))
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442 | pdows(0, i, dat1);
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443 |
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444 | } else { /* voice */
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445 |
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446 | pdows(0, vgn, dat1);
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447 | }
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448 |
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449 | break;
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450 |
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451 | case PA_WAVB: /* waveshape B select */
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452 |
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453 | if (vgt) { /* group */
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454 |
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455 | for (i = 0; i < 12; i++)
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456 | if (vce2grp[i] EQ (1 + vgn))
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457 | pdows(1, i, dat1);
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458 |
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459 | } else { /* voice */
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460 |
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461 | pdows(1, vgn, dat1);
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462 | }
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463 |
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464 | break;
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465 |
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466 | case PA_CNFG: /* configuration select */
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467 |
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468 | if (vgt) {
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469 |
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470 | for (i = 0; i < 12; i++)
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471 | if (vce2grp[i] EQ (1 + vgn)) {
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472 |
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473 | vbufs[i].idhcfg = dat1;
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474 | dosync(i);
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475 | }
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476 | } else {
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477 |
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478 | vbufs[vgn].idhcfg = dat1;
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479 | dosync(vgn);
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480 | }
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481 |
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482 | break;
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483 | /* |
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484 |
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485 | */
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486 | case PA_LEVL: /* level */
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487 |
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488 | if (vgt) { /* group */
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489 |
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490 | for (i = 0; i < 12; i++)
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491 | if (vce2grp[i] EQ (1 + vgn))
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492 | pfpufn(i, 2, dat1, dat2);
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493 |
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494 | } else { /* voice */
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495 |
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496 | pfpufn(vgn, 2, dat1, dat2);
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497 | }
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498 |
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499 | break;
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500 |
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501 | case PA_INDX: /* index */
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502 |
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503 | if (vgt) { /* group */
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504 |
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505 | for (i = 0; i < 12; i++)
|
---|
506 | if (vce2grp[i] EQ (1 + vgn))
|
---|
507 | pfpufn(i, ind2par[osc], dat1, dat2);
|
---|
508 |
|
---|
509 | } else { /* voice */
|
---|
510 |
|
---|
511 | pfpufn(vgn, ind2par[osc], dat1, dat2);
|
---|
512 | }
|
---|
513 |
|
---|
514 | break;
|
---|
515 | /* |
---|
516 |
|
---|
517 | */
|
---|
518 | case PA_FREQ: /* frequency */
|
---|
519 |
|
---|
520 | if (vgt) { /* group */
|
---|
521 |
|
---|
522 | for (i = 0; i < 12; i++)
|
---|
523 | if (vce2grp[i] EQ (1 + vgn))
|
---|
524 | pfpufn(i, frq2par[osc], dat1, dat2);
|
---|
525 |
|
---|
526 | } else { /* voice */
|
---|
527 |
|
---|
528 | pfpufn(vgn, frq2par[osc], dat1, dat2);
|
---|
529 | }
|
---|
530 |
|
---|
531 | break;
|
---|
532 |
|
---|
533 | case PA_FILT: /* filter frequency */
|
---|
534 |
|
---|
535 | if (vgt) { /* group */
|
---|
536 |
|
---|
537 | for (i = 0; i < 12; i++)
|
---|
538 | if (vce2grp[i] EQ (1 + vgn))
|
---|
539 | pfpufn(i, 10, dat1, dat2);
|
---|
540 |
|
---|
541 | } else { /* voice */
|
---|
542 |
|
---|
543 | pfpufn(vgn, 10, dat1, dat2);
|
---|
544 | }
|
---|
545 |
|
---|
546 | break;
|
---|
547 | /* |
---|
548 |
|
---|
549 | */
|
---|
550 | case PA_FILQ: /* filter resonance */
|
---|
551 |
|
---|
552 | if (vgt) { /* group */
|
---|
553 |
|
---|
554 | for (i = 0; i < 12; i++)
|
---|
555 | if (vce2grp[i] EQ (1 + vgn))
|
---|
556 | pfpufn(i, 6, dat1, dat2);
|
---|
557 |
|
---|
558 | } else { /* voice */
|
---|
559 |
|
---|
560 | pfpufn(vgn, 6, dat1, dat2);
|
---|
561 | }
|
---|
562 |
|
---|
563 | break;
|
---|
564 |
|
---|
565 | case PA_LOCN: /* location */
|
---|
566 |
|
---|
567 | if (vgt) { /* group */
|
---|
568 |
|
---|
569 | for (i = 0; i < 12; i++)
|
---|
570 | if (vce2grp[i] EQ (1 + vgn))
|
---|
571 | pfpufn(i, 4, dat1, dat2);
|
---|
572 |
|
---|
573 | } else { /* voice */
|
---|
574 |
|
---|
575 | pfpufn(vgn, 4, dat1, dat2);
|
---|
576 | }
|
---|
577 |
|
---|
578 | break;
|
---|
579 | /* |
---|
580 |
|
---|
581 | */
|
---|
582 | case PA_DYNM: /* dynamics */
|
---|
583 |
|
---|
584 | if (vgt) { /* group */
|
---|
585 |
|
---|
586 | for (i = 0; i < 12; i++)
|
---|
587 | if (vce2grp[i] EQ (1 + vgn))
|
---|
588 | pfpufn(i, 8, dat1, dat2);
|
---|
589 |
|
---|
590 | } else { /* voice */
|
---|
591 |
|
---|
592 | pfpufn(vgn, 8, dat1, dat2);
|
---|
593 | }
|
---|
594 |
|
---|
595 | break;
|
---|
596 |
|
---|
597 | case PA_AUX: /* auxiliary control */
|
---|
598 |
|
---|
599 | pfpufn(9, 0, dat1, dat2);
|
---|
600 | break;
|
---|
601 |
|
---|
602 | case PA_RATE: /* phase shifter rate */
|
---|
603 |
|
---|
604 | pfpufn(2, 0, dat1, dat2);
|
---|
605 | break;
|
---|
606 |
|
---|
607 | case PA_INTN: /* phase shifter intensity */
|
---|
608 |
|
---|
609 | pfpufn(1, 0, dat1, dat2);
|
---|
610 | break;
|
---|
611 |
|
---|
612 | case PA_DPTH: /* phase shifter depth */
|
---|
613 |
|
---|
614 | pfpufn(3, 0, dat1, dat2);
|
---|
615 | break;
|
---|
616 |
|
---|
617 | case PA_VOUT: /* control voltage output */
|
---|
618 |
|
---|
619 | pfpufn(cv2vce[suba], 0, dat1, dat2);
|
---|
620 | break;
|
---|
621 |
|
---|
622 | }
|
---|
623 | }
|
---|
624 |
|
---|