[f40a309] | 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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[b28a12e] | 10 | #include "ram.h"
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[e225e77] | 11 |
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[f40a309] | 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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[7258c6a] | 20 | uint16_t seqdupd; /* sequence display update flag */
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| 21 | int8_t ledstat[24]; /* LED status */
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[f40a309] | 22 |
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| 23 | /* |
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| 24 |
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| 25 | */
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[7258c6a] | 26 |
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[f40a309] | 27 | int16_t frq2par[] = {1, 3, 5, 7}; /* Frq to par */
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[7258c6a] | 28 |
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[f40a309] | 29 | int16_t ind2par[] = {9, 11, 12, 13, 14, 15}; /* Ind to par */
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[7258c6a] | 30 |
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[f40a309] | 31 | int16_t cv2vce[] = {11, 10, 6, 8}; /* CV to voice */
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[7258c6a] | 32 |
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[f40a309] | 33 | int16_t lg2base[7] = { 0, 3, 7, 10, 14, 17, 21}; /* LED group bases */
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[7258c6a] | 34 |
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[f40a309] | 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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[7258c6a] | 78 | */
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[f40a309] | 79 |
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[7258c6a] | 80 | void pdows(int16_t slot, int16_t voice, int16_t wsn)
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[9519422] | 81 | {
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[f40a309] | 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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[7258c6a] | 122 | =============================================================================
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[f40a309] | 123 | */
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[7258c6a] | 124 |
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| 125 | void pfpufn(uint16_t voice, uint16_t par, uint16_t dat1, uint16_t dat2)
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[f40a309] | 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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[7258c6a] | 136 |
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[f40a309] | 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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[7258c6a] | 141 |
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[7848656] | 142 | case PSA_TIM: /* time */
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[f40a309] | 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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[7258c6a] | 146 |
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[f40a309] | 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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[7258c6a] | 172 | pdoctl() -- do oscillator control for a patch entry
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[f40a309] | 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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[0580615] | 190 | =============================================================================
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[f40a309] | 191 | dopatch() -- execute a patch entry
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[7258c6a] | 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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[f40a309] | 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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[9519422] | 318 |
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[f40a309] | 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 |
|
---|
| 459 | } else { /* voice */
|
---|
| 460 |
|
---|
| 461 | pdows(1, vgn, dat1);
|
---|
| 462 | }
|
---|
| 463 |
|
---|
| 464 | break;
|
---|
| 465 |
|
---|
| 466 | case PA_CNFG: /* configuration select */
|
---|
| 467 |
|
---|
| 468 | if (vgt) {
|
---|
| 469 |
|
---|
| 470 | for (i = 0; i < 12; i++)
|
---|
| 471 | if (vce2grp[i] EQ (1 + vgn)) {
|
---|
| 472 |
|
---|
| 473 | vbufs[i].idhcfg = dat1;
|
---|
| 474 | dosync(i);
|
---|
| 475 | }
|
---|
| 476 | } else {
|
---|
| 477 |
|
---|
| 478 | vbufs[vgn].idhcfg = dat1;
|
---|
| 479 | dosync(vgn);
|
---|
| 480 | }
|
---|
| 481 |
|
---|
| 482 | break;
|
---|
| 483 | /* |
---|
| 484 |
|
---|
| 485 | */
|
---|
| 486 | case PA_LEVL: /* level */
|
---|
| 487 |
|
---|
| 488 | if (vgt) { /* group */
|
---|
| 489 |
|
---|
| 490 | for (i = 0; i < 12; i++)
|
---|
| 491 | if (vce2grp[i] EQ (1 + vgn))
|
---|
| 492 | pfpufn(i, 2, dat1, dat2);
|
---|
| 493 |
|
---|
| 494 | } else { /* voice */
|
---|
| 495 |
|
---|
| 496 | pfpufn(vgn, 2, dat1, dat2);
|
---|
| 497 | }
|
---|
| 498 |
|
---|
| 499 | break;
|
---|
| 500 |
|
---|
| 501 | case PA_INDX: /* index */
|
---|
| 502 |
|
---|
| 503 | if (vgt) { /* group */
|
---|
| 504 |
|
---|
| 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);
|
---|
[6262b5c] | 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 |
|
---|