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 "stddefs.h"
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11 | #include "hwdefs.h"
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12 | #include "fpu.h"
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13 | #include "graphdef.h"
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14 | #include "vsdd.h"
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15 | #include "wordq.h"
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16 | #include "patch.h"
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17 |
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18 | #include "midas.h"
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19 | #include "ptdisp.h"
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20 | #include "instdsp.h"
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21 | #include "wsdsp.h"
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22 |
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23 | #if DEBUGPA
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24 | extern short debugsw;
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25 |
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26 | short debugpa = 1;
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27 | #endif
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28 |
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29 | #define ST_NUL 0x0000 /* no subaddress breakdown */
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30 | #define ST_VGT 0x0001 /* break subaddress into voice, group */
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31 | #define ST_PCT 0x0002 /* break subaddress into port, chan, trig */
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32 |
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33 | extern char *S1IoRec, *S2IoRec, *M1IoRec, *M2IoRec;
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34 |
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35 | unsigned short seqdupd; /* sequence display update flag */
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36 |
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37 | extern short bform; /* oscillator buffer format */
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38 | extern short curinst; /* current instrument being edited */
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39 | extern short curvce; /* current voice being edited */
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40 | extern short timemlt; /* time multiplier */
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41 |
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42 | extern short expbit[]; /* FPU exponent bit table */
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43 | extern short ins2grp[]; /* instrument to group assignments */
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44 | extern short s_inst[]; /* instrument to voice assignments */
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45 | extern short vce2grp[]; /* voice to group assignments */
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46 |
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47 | extern unsigned short seqflag[16]; /* sequencer flags */
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48 | extern unsigned short seqline[16]; /* current sequencer line */
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49 | extern unsigned short sregval[16]; /* register values */
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50 | extern unsigned short trstate[16]; /* trigger states */
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51 |
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52 | extern struct wordq ptefifo; /* trigger fifo */
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53 | extern struct instdef vbufs[]; /* voice buffers */
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54 | extern struct wstbl wslib[]; /* waveshape library */
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55 |
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56 | char ledstat[24]; /* LED status */
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57 |
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58 | /* |
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59 |
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60 | */
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61 |
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62 | short frq2par[] = {1, 3, 5, 7}; /* Frq to par */
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63 |
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64 | short ind2par[] = {9, 11, 12, 13, 14, 15}; /* Ind to par */
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65 |
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66 | short cv2vce[] = {11, 10, 6, 8}; /* CV to voice */
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67 |
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68 | short lg2base[7] = { 0, 3, 7, 10, 14, 17, 21}; /* LED group bases */
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69 |
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70 | char vgtype[] = {
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71 |
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72 | ST_NUL, /* PA_NULL */
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73 |
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74 | ST_PCT, /* PA_KEY */
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75 | ST_PCT, /* PA_TRG */
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76 |
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77 | ST_NUL, /* PA_PLS */
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78 | ST_NUL, /* PA_LED */
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79 | ST_NUL, /* PA_SLIN */
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80 | ST_NUL, /* PA_SCTL */
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81 | ST_NUL, /* PA_TUNE */
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82 | ST_NUL, /* PA_RSET */
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83 | ST_NUL, /* PA_RADD */
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84 |
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85 | ST_VGT, /* PA_INST */
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86 | ST_VGT, /* PA_OSC */
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87 | ST_VGT, /* PA_WAVA */
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88 | ST_VGT, /* PA_WAVB */
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89 | ST_VGT, /* PA_CNFG */
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90 | ST_VGT, /* PA_LEVL */
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91 | ST_VGT, /* PA_INDX */
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92 | ST_VGT, /* PA_FREQ */
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93 | ST_VGT, /* PA_FILT */
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94 | ST_VGT, /* PA_FILQ */
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95 | ST_VGT, /* PA_LOCN */
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96 | ST_VGT, /* PA_DYNM */
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97 |
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98 | ST_NUL, /* PA_AUX */
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99 | ST_NUL, /* PA_RATE */
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100 | ST_NUL, /* PA_INTN */
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101 | ST_NUL, /* PA_DPTH */
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102 | ST_NUL, /* PA_VOUT */
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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 | /*
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110 | =============================================================================
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111 | pdows() -- get a waveshape for a voice
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112 | =============================================================================
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113 | */
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114 |
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115 | void pdows(short slot, short voice, short wsn)
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116 | {
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117 | unsigned short *fpuws;
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118 |
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119 | if (slot) { /* waveshape slot B */
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120 |
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121 | vbufs[voice].idhwsb = wsn;
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122 |
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123 | memcpyw(vbufs[voice].idhwvbf, &wslib[wsn],
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124 | NUMHARM + (2 * NUMWPNT));
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125 |
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126 | fpuws = io_fpu + FPU_OWST + (voice << 9) + 1;
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127 |
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128 | memcpyw(fpuws, vbufs[voice].idhwvbf, NUMWPNT);
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129 |
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130 | *(fpuws - 1) = vbufs[voice].idhwvbf[0];
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131 | *(fpuws + NUMWPNT) = vbufs[voice].idhwvbf[NUMWPNT - 1];
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132 |
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133 | } else { /* waveshape slot A */
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134 |
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135 | vbufs[voice].idhwsa = wsn;
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136 |
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137 | memcpyw(vbufs[voice].idhwvaf, &wslib[wsn],
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138 | NUMHARM + (2 * NUMWPNT));
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139 |
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140 | fpuws = io_fpu + FPU_OWST + (voice << 9) + 0x0100 + 1;
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141 |
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142 | memcpyw(fpuws, vbufs[curvce].idhwvaf, NUMWPNT);
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143 |
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144 | *(fpuws - 1) = vbufs[voice].idhwvaf[0];
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145 | *(fpuws + NUMWPNT) = vbufs[voice].idhwvaf[NUMWPNT - 1];
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146 |
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147 | }
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148 | }
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149 |
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150 | /* |
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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 | pfpufn() -- process an FPU function operation for a patch
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157 | =============================================================================
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158 | */
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159 |
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160 | void pfpufn(unsigned short voice, unsigned short par, unsigned short dat1, unsigned short dat2)
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161 | {
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162 | register unsigned short *fpu;
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163 | short delay;
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164 |
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165 | fpu = io_fpu + FPU_OFNC + (voice << 8) + (par << 4);
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166 |
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167 | switch (dat1) {
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168 |
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169 | case PSA_SRC: /* source */
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170 | break;
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171 |
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172 | case PSA_MLT: /* multiplier */
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173 |
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174 | *(fpu + (long)FPU_TSF1) = dat2;
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175 | break;
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176 |
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177 | case PSA_TIM: /* time */
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178 |
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179 | *(fpu + (long)FPU_TMNT) = (((long)dat2 & 0x0000FFF0L)
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180 | * ((long)timemlt & 0x0000FFFFL)) >> 15;
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181 |
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182 | ++delay;
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183 |
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184 | *(fpu + (long)FPU_TEXP) = expbit[dat2 & 0x000F];
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185 |
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186 | break;
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187 |
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188 | case PSA_VAL: /* value */
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189 |
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190 | sendval(voice, par, dat2);
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191 | break;
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192 |
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193 | case PSA_FNC: /* function */
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194 | break;
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195 |
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196 | default: /* something weird got in here ... */
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197 | break;
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198 | }
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199 | }
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200 |
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201 | /* |
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202 |
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203 | */
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204 |
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205 | /*
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206 | =============================================================================
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207 | pdoctl() -- do oscillator control for a patch entry
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208 | =============================================================================
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209 | */
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210 |
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211 | void pdoctl(short voice, short osc, short dat1, short dat2)
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212 | {
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213 | register struct instdef *ip;
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214 |
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215 | ip = &vbufs[voice];
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216 | bform = dat1;
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217 | setoval(ip, osc, dat2 >> 1);
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218 | }
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219 |
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220 | /* |
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221 |
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222 | */
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223 |
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224 | /*
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225 | =============================================================================
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226 | dopatch() -- execute a patch entry
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227 | =============================================================================
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228 | */
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229 |
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230 | void dopatch(struct patch *pp)
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231 | {
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232 | register unsigned short suba, dat1, dat2;
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233 | register short i, temp;
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234 | register char *ser, *iorec;
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235 | unsigned short chan, oldsr, osc, port, spec, sat,trig, vgr, vgn, vgt;
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236 | short baseled, curled, ledctl;
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237 |
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238 | spec = PE_SPEC & pp->paspec; /* destination */
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239 | suba = pp->pasuba; /* sub address */
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240 | dat1 = pp->padat1; /* data word 1 */
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241 | dat2 = pp->padat2; /* data word 2 */
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242 |
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243 | sat = vgtype[spec]; /* sub-address type */
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244 |
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245 | if (ST_VGT & sat) { /* vg, osc sub-address types */
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246 |
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247 | vgr = 0x00FF & (suba >> 8); /* voice / group */
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248 | osc = 0x00FF & suba; /* oscillator */
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249 |
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250 | if (vgr > 11) { /* sort out voices from groups */
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251 |
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252 | vgt = 1; /* group */
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253 | vgn = vgr - 12;
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254 |
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255 | } else {
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256 |
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257 | vgt = 0; /* voice */
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258 | vgn = vgr;
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259 | }
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260 |
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261 | } else if (ST_PCT & sat) { /* port, chan, trig sub-address types */
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262 |
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263 | port = 0x0003 & (suba >> 11); /* port */
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264 | chan = 0x000F & (suba >> 7); /* channel */
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265 | trig = 0x007F & suba; /* trigger */
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266 | }
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267 | /* |
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268 |
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269 | */
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270 | switch (spec) { /* dispatch on destination */
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271 |
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272 | case PA_KEY: /* key action */
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273 |
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274 | if ((dat2 EQ 0) OR (dat2 EQ 2))
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275 | putwq(&ptefifo, suba & 0x1FFF); /* closure */
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276 |
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277 | if ((dat2 EQ 0) OR (dat2 EQ 1))
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278 | putwq(&ptefifo, suba | 0x8000); /* release */
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279 |
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280 | break;
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281 |
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282 | case PA_TRG: /* trigger */
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283 |
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284 | trig &= 0x000F;
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285 | trstate[trig] = dat2;
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286 |
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287 | if (dat2)
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288 | putwq(&ptefifo, suba); /* closure */
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289 |
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290 | seqdupd |= (1 << trig);
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291 | break;
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292 |
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293 | case PA_PLS: /* pulse output */
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294 |
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295 | if (suba) {
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296 |
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297 | ser = &io_midi + 10L; /* pulse 2 */
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298 | iorec = M2IoRec;
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299 |
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300 | } else {
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301 |
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302 | ser = &io_midi + 2L; /* pulse 1 */
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303 | iorec = M1IoRec;
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304 | }
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305 |
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306 | oldsr = setsr(0x2700); /* DISABLE INTERRUPTS */
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307 |
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308 | temp = iorec[29]; /* get current CFR1 */
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309 |
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310 | switch (dat2) { /* switch on operation */
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311 |
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312 | case 0: /* transient */
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313 |
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314 | *ser = temp | 0x0082; /* on */
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315 | *ser = (temp & 0x00FD) | 0x0080; /* off */
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316 | break;
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317 |
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318 | case 1: /* off */
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319 |
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320 | *ser = (temp & 0x00FD) | 0x0080; /* off */
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321 | break;
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322 |
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323 | case 2: /* on */
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324 |
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325 | *ser = temp | 0x0082; /* on */
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326 | break;
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327 | }
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328 |
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329 | setsr(oldsr); /* RESTORE INTERRUPTS */
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330 |
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331 | break;
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332 | /* |
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333 |
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334 | */
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335 | case PA_LED: /* LED control */
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336 |
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337 | baseled = lg2base[suba]; /* get base of LED group */
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338 |
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339 | for (i = 0; i < (3 + (suba & 1)); i++) { /* scan LEDs */
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340 |
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341 | curled = i + baseled;
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342 | ledctl = 0x0003 & (dat1 >> (14 - (i << 1)));
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343 |
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344 | if (ledctl EQ 1) { /* on */
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345 |
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346 | ledstat[curled] = TRUE;
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347 | io_leds = curled;
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348 |
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349 | } else if (ledctl EQ 2) { /* off */
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350 |
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351 | ledstat[curled] = FALSE;
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352 | io_leds = curled | 0x0080;
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353 |
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354 | } else if (ledctl EQ 3) { /* toggle */
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355 |
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356 | if (ledstat[curled]) { /* on -> off */
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357 |
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358 | ledstat[curled] = FALSE;
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359 | io_leds = curled | 0x0080;
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360 |
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361 | } else { /* off -> on */
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362 |
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363 | ledstat[curled] = TRUE;
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364 | io_leds = curled;
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365 | }
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366 | }
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367 | }
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368 |
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369 | break;
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370 |
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371 | case PA_SLIN: /* sequence line */
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372 |
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373 | seqline[suba] = dat1;
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374 | seqdupd |= (1 << suba);
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375 | break;
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376 |
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377 | case PA_SCTL: /* sequence control */
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378 |
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379 |
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380 | if (dat2) { /* start */
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381 |
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382 | seqflag[suba] |= (SQF_RUN|SQF_CLK);
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383 | seqtime[suba] = seqtab[seqline[suba]].seqtime;
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384 |
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385 | #if DEBUGPA
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386 | if (debugsw AND debugpa)
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387 | printf("dopatch($%08lX): SLIN %02u %03u %5u RUN\n",
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388 | pp, suba, seqline[suba], seqtime[suba]);
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389 | #endif
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390 |
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391 | } else { /* stop */
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392 |
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393 | seqflag[suba] = 0;
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394 | seqtime[suba] = 0;
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395 |
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396 | #if DEBUGPA
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397 | if (debugsw AND debugpa)
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398 | printf("dopatch($%08lX): SLIN %02u %03u STOP\n",
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399 | pp, suba, seqline[suba]);
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400 | #endif
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401 |
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402 | }
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403 |
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404 | seqdupd |= (1 << suba);
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405 | break;
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406 | /* |
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407 |
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408 | */
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409 | case PA_TUNE: /* tuning table */
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410 |
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411 | gettun(dat1);
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412 | break;
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413 |
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414 | case PA_RSET: /* register set */
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415 |
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416 | sregval[suba] = dat1 ? sregval[dat2] : dat2;
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417 | seqdupd |= (1 << suba);
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418 | break;
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419 |
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420 | case PA_RADD: /* regsister add */
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421 |
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422 | temp = sregval[suba] + (dat1 ? sregval[dat2] : dat2);
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423 |
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424 | if (temp > 99)
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425 | temp = 99;
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426 | else if (temp < 0)
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427 | temp = 0;
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428 |
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429 | sregval[suba] = temp;
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430 | seqdupd |= (1 << suba);
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431 | break;
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432 |
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433 | case PA_INST: /* instrument select */
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434 |
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435 | if (vgt) { /* group */
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436 |
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437 | ins2grp[vgn] = (ins2grp[vgn] & 0xFF00) | dat1;
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438 | setv2gi(vgn);
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439 |
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440 | } else { /* voice */
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441 |
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442 | if (curvce EQ vgn)
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443 | curinst = dat1;
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444 |
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445 | s_inst[vgn] = dat1;
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446 | execins(vgn, dat1, 1);
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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 |
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452 | */
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453 |
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454 | case PA_OSC: /* oscillator control */
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455 |
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456 | if (vgt) { /* group */
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457 |
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458 | for (i = 0; i < 12; i++)
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459 | if (vce2grp[i] EQ (1 + vgn))
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460 | pdoctl(i, osc, dat1, dat2);
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461 |
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462 | } else { /* voice */
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463 |
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464 | pdoctl(vgn, osc, dat1, dat2);
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465 | }
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466 |
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467 | break;
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468 | /* |
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469 |
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470 | */
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471 | case PA_WAVA: /* waveshape A select */
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472 |
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473 | if (vgt) { /* group */
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474 |
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475 | for (i = 0; i < 12; i++)
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476 | if (vce2grp[i] EQ (1 + vgn))
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477 | pdows(0, i, dat1);
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478 |
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479 | } else { /* voice */
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480 |
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481 | pdows(0, vgn, dat1);
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482 | }
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483 |
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484 | break;
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485 |
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486 | case PA_WAVB: /* waveshape B select */
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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 | pdows(1, i, dat1);
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493 |
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494 | } else { /* voice */
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495 |
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496 | pdows(1, vgn, dat1);
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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_CNFG: /* configuration select */
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502 |
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503 | if (vgt) {
|
---|
504 |
|
---|
505 | for (i = 0; i < 12; i++)
|
---|
506 | if (vce2grp[i] EQ (1 + vgn)) {
|
---|
507 |
|
---|
508 | vbufs[i].idhcfg = dat1;
|
---|
509 | dosync(i);
|
---|
510 | }
|
---|
511 | } else {
|
---|
512 |
|
---|
513 | vbufs[vgn].idhcfg = dat1;
|
---|
514 | dosync(vgn);
|
---|
515 | }
|
---|
516 |
|
---|
517 | break;
|
---|
518 | /* |
---|
519 |
|
---|
520 | */
|
---|
521 | case PA_LEVL: /* level */
|
---|
522 |
|
---|
523 | if (vgt) { /* group */
|
---|
524 |
|
---|
525 | for (i = 0; i < 12; i++)
|
---|
526 | if (vce2grp[i] EQ (1 + vgn))
|
---|
527 | pfpufn(i, 2, dat1, dat2);
|
---|
528 |
|
---|
529 | } else { /* voice */
|
---|
530 |
|
---|
531 | pfpufn(vgn, 2, dat1, dat2);
|
---|
532 | }
|
---|
533 |
|
---|
534 | break;
|
---|
535 |
|
---|
536 | case PA_INDX: /* index */
|
---|
537 |
|
---|
538 | if (vgt) { /* group */
|
---|
539 |
|
---|
540 | for (i = 0; i < 12; i++)
|
---|
541 | if (vce2grp[i] EQ (1 + vgn))
|
---|
542 | pfpufn(i, ind2par[osc], dat1, dat2);
|
---|
543 |
|
---|
544 | } else { /* voice */
|
---|
545 |
|
---|
546 | pfpufn(vgn, ind2par[osc], dat1, dat2);
|
---|
547 | }
|
---|
548 |
|
---|
549 | break;
|
---|
550 | /* |
---|
551 |
|
---|
552 | */
|
---|
553 | case PA_FREQ: /* frequency */
|
---|
554 |
|
---|
555 | if (vgt) { /* group */
|
---|
556 |
|
---|
557 | for (i = 0; i < 12; i++)
|
---|
558 | if (vce2grp[i] EQ (1 + vgn))
|
---|
559 | pfpufn(i, frq2par[osc], dat1, dat2);
|
---|
560 |
|
---|
561 | } else { /* voice */
|
---|
562 |
|
---|
563 | pfpufn(vgn, frq2par[osc], dat1, dat2);
|
---|
564 | }
|
---|
565 |
|
---|
566 | break;
|
---|
567 |
|
---|
568 | case PA_FILT: /* filter frequency */
|
---|
569 |
|
---|
570 | if (vgt) { /* group */
|
---|
571 |
|
---|
572 | for (i = 0; i < 12; i++)
|
---|
573 | if (vce2grp[i] EQ (1 + vgn))
|
---|
574 | pfpufn(i, 10, dat1, dat2);
|
---|
575 |
|
---|
576 | } else { /* voice */
|
---|
577 |
|
---|
578 | pfpufn(vgn, 10, dat1, dat2);
|
---|
579 | }
|
---|
580 |
|
---|
581 | break;
|
---|
582 | /* |
---|
583 |
|
---|
584 | */
|
---|
585 | case PA_FILQ: /* filter resonance */
|
---|
586 |
|
---|
587 | if (vgt) { /* group */
|
---|
588 |
|
---|
589 | for (i = 0; i < 12; i++)
|
---|
590 | if (vce2grp[i] EQ (1 + vgn))
|
---|
591 | pfpufn(i, 6, dat1, dat2);
|
---|
592 |
|
---|
593 | } else { /* voice */
|
---|
594 |
|
---|
595 | pfpufn(vgn, 6, dat1, dat2);
|
---|
596 | }
|
---|
597 |
|
---|
598 | break;
|
---|
599 |
|
---|
600 | case PA_LOCN: /* location */
|
---|
601 |
|
---|
602 | if (vgt) { /* group */
|
---|
603 |
|
---|
604 | for (i = 0; i < 12; i++)
|
---|
605 | if (vce2grp[i] EQ (1 + vgn))
|
---|
606 | pfpufn(i, 4, dat1, dat2);
|
---|
607 |
|
---|
608 | } else { /* voice */
|
---|
609 |
|
---|
610 | pfpufn(vgn, 4, dat1, dat2);
|
---|
611 | }
|
---|
612 |
|
---|
613 | break;
|
---|
614 | /* |
---|
615 |
|
---|
616 | */
|
---|
617 | case PA_DYNM: /* dynamics */
|
---|
618 |
|
---|
619 | if (vgt) { /* group */
|
---|
620 |
|
---|
621 | for (i = 0; i < 12; i++)
|
---|
622 | if (vce2grp[i] EQ (1 + vgn))
|
---|
623 | pfpufn(i, 8, dat1, dat2);
|
---|
624 |
|
---|
625 | } else { /* voice */
|
---|
626 |
|
---|
627 | pfpufn(vgn, 8, dat1, dat2);
|
---|
628 | }
|
---|
629 |
|
---|
630 | break;
|
---|
631 |
|
---|
632 | case PA_AUX: /* auxiliary control */
|
---|
633 |
|
---|
634 | pfpufn(9, 0, dat1, dat2);
|
---|
635 | break;
|
---|
636 |
|
---|
637 | case PA_RATE: /* phase shifter rate */
|
---|
638 |
|
---|
639 | pfpufn(2, 0, dat1, dat2);
|
---|
640 | break;
|
---|
641 |
|
---|
642 | case PA_INTN: /* phase shifter intensity */
|
---|
643 |
|
---|
644 | pfpufn(1, 0, dat1, dat2);
|
---|
645 | break;
|
---|
646 |
|
---|
647 | case PA_DPTH: /* phase shifter depth */
|
---|
648 |
|
---|
649 | pfpufn(3, 0, dat1, dat2);
|
---|
650 | break;
|
---|
651 |
|
---|
652 | case PA_VOUT: /* control voltage output */
|
---|
653 |
|
---|
654 | pfpufn(cv2vce[suba], 0, dat1, dat2);
|
---|
655 | break;
|
---|
656 |
|
---|
657 | }
|
---|
658 | }
|
---|