[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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[7258c6a] | 23 | int16_t frq2par[] = {1, 3, 5, 7}; /* Frq to par */
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[f40a309] | 24 |
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[7258c6a] | 25 | int16_t ind2par[] = {9, 11, 12, 13, 14, 15}; /* Ind to par */
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[f40a309] | 26 |
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[7258c6a] | 27 | int16_t cv2vce[] = {11, 10, 6, 8}; /* CV to voice */
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[f40a309] | 28 |
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[7258c6a] | 29 | int16_t lg2base[7] = { 0, 3, 7, 10, 14, 17, 21}; /* LED group bases */
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[f40a309] | 30 |
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[7258c6a] | 31 | int8_t vgtype[] = {
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[f40a309] | 32 |
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| 33 | ST_NUL, /* PA_NULL */
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| 34 |
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| 35 | ST_PCT, /* PA_KEY */
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| 36 | ST_PCT, /* PA_TRG */
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| 37 |
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| 38 | ST_NUL, /* PA_PLS */
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| 39 | ST_NUL, /* PA_LED */
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| 40 | ST_NUL, /* PA_SLIN */
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| 41 | ST_NUL, /* PA_SCTL */
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| 42 | ST_NUL, /* PA_TUNE */
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| 43 | ST_NUL, /* PA_RSET */
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| 44 | ST_NUL, /* PA_RADD */
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| 45 |
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| 46 | ST_VGT, /* PA_INST */
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| 47 | ST_VGT, /* PA_OSC */
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| 48 | ST_VGT, /* PA_WAVA */
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| 49 | ST_VGT, /* PA_WAVB */
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| 50 | ST_VGT, /* PA_CNFG */
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| 51 | ST_VGT, /* PA_LEVL */
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| 52 | ST_VGT, /* PA_INDX */
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| 53 | ST_VGT, /* PA_FREQ */
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| 54 | ST_VGT, /* PA_FILT */
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| 55 | ST_VGT, /* PA_FILQ */
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| 56 | ST_VGT, /* PA_LOCN */
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| 57 | ST_VGT, /* PA_DYNM */
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| 58 |
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| 59 | ST_NUL, /* PA_AUX */
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| 60 | ST_NUL, /* PA_RATE */
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| 61 | ST_NUL, /* PA_INTN */
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| 62 | ST_NUL, /* PA_DPTH */
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| 63 | ST_NUL, /* PA_VOUT */
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| 64 | };
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| 65 |
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| 66 | /*
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| 67 | =============================================================================
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| 68 | pdows() -- get a waveshape for a voice
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| 69 | =============================================================================
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| 70 | */
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| 71 |
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[7258c6a] | 72 | void pdows(int16_t slot, int16_t voice, int16_t wsn)
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[f40a309] | 73 | {
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[7258c6a] | 74 | uint16_t *fpuws;
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[9519422] | 75 |
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[f40a309] | 76 | if (slot) { /* waveshape slot B */
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| 77 |
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| 78 | vbufs[voice].idhwsb = wsn;
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| 79 |
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| 80 | memcpyw(vbufs[voice].idhwvbf, &wslib[wsn],
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| 81 | NUMHARM + (2 * NUMWPNT));
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| 82 |
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| 83 | fpuws = io_fpu + FPU_OWST + (voice << 9) + 1;
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| 84 |
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| 85 | memcpyw(fpuws, vbufs[voice].idhwvbf, NUMWPNT);
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| 86 |
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| 87 | *(fpuws - 1) = vbufs[voice].idhwvbf[0];
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| 88 | *(fpuws + NUMWPNT) = vbufs[voice].idhwvbf[NUMWPNT - 1];
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| 89 |
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| 90 | } else { /* waveshape slot A */
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| 91 |
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| 92 | vbufs[voice].idhwsa = wsn;
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| 93 |
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| 94 | memcpyw(vbufs[voice].idhwvaf, &wslib[wsn],
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| 95 | NUMHARM + (2 * NUMWPNT));
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| 96 |
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| 97 | fpuws = io_fpu + FPU_OWST + (voice << 9) + 0x0100 + 1;
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| 98 |
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| 99 | memcpyw(fpuws, vbufs[curvce].idhwvaf, NUMWPNT);
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| 100 |
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| 101 | *(fpuws - 1) = vbufs[voice].idhwvaf[0];
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| 102 | *(fpuws + NUMWPNT) = vbufs[voice].idhwvaf[NUMWPNT - 1];
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| 103 |
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| 104 | }
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| 105 | }
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| 106 |
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| 107 | /*
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| 108 | =============================================================================
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| 109 | pfpufn() -- process an FPU function operation for a patch
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| 110 | =============================================================================
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| 111 | */
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| 112 |
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[7258c6a] | 113 | void pfpufn(uint16_t voice, uint16_t par, uint16_t dat1, uint16_t dat2)
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[f40a309] | 114 | {
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[7258c6a] | 115 | register uint16_t *fpu;
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| 116 | int16_t delay;
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[f40a309] | 117 |
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| 118 | fpu = io_fpu + FPU_OFNC + (voice << 8) + (par << 4);
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| 119 |
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| 120 | switch (dat1) {
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| 121 |
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| 122 | case PSA_SRC: /* source */
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| 123 | break;
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| 124 |
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| 125 | case PSA_MLT: /* multiplier */
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| 126 |
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[7258c6a] | 127 | *(fpu + (int32_t)FPU_TSF1) = dat2;
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[f40a309] | 128 | break;
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| 129 |
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| 130 | case PSA_TIM: /* time */
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| 131 |
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[7258c6a] | 132 | *(fpu + (int32_t)FPU_TMNT) = (((int32_t)dat2 & 0x0000FFF0L)
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[7848656] | 133 | * ((int32_t)timemlt & 0x0000FFFFL)) >> 15;
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[f40a309] | 134 |
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| 135 | ++delay;
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| 136 |
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[7258c6a] | 137 | *(fpu + (int32_t)FPU_TEXP) = expbit[dat2 & 0x000F];
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[f40a309] | 138 |
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| 139 | break;
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| 140 |
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| 141 | case PSA_VAL: /* value */
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| 142 |
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| 143 | sendval(voice, par, dat2);
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| 144 | break;
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| 145 |
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| 146 | case PSA_FNC: /* function */
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| 147 | break;
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| 148 |
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| 149 | default: /* something weird got in here ... */
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| 150 | break;
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| 151 | }
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| 152 | }
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| 153 |
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| 154 | /*
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| 155 | =============================================================================
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| 156 | pdoctl() -- do oscillator control for a patch entry
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| 157 | =============================================================================
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| 158 | */
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| 159 |
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[7258c6a] | 160 | void pdoctl(int16_t voice, int16_t osc, int16_t dat1, int16_t dat2)
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[f40a309] | 161 | {
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| 162 | register struct instdef *ip;
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| 163 |
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| 164 | ip = &vbufs[voice];
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| 165 | bform = dat1;
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| 166 | setoval(ip, osc, dat2 >> 1);
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| 167 | }
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| 168 |
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| 169 | /*
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| 170 | =============================================================================
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| 171 | dopatch() -- execute a patch entry
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| 172 | =============================================================================
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| 173 | */
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| 174 |
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[0580615] | 175 | void dopatch(struct patch *pp)
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[f40a309] | 176 | {
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[7258c6a] | 177 | register uint16_t suba, dat1, dat2;
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| 178 | register int16_t i, temp;
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| 179 | register int8_t *ser, *iorec;
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| 180 | uint16_t chan, oldsr, osc, port, spec, sat,trig, vgr, vgn, vgt;
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| 181 | int16_t baseled, curled, ledctl;
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[f40a309] | 182 |
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| 183 | spec = PE_SPEC & pp->paspec; /* destination */
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| 184 | suba = pp->pasuba; /* sub address */
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| 185 | dat1 = pp->padat1; /* data word 1 */
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| 186 | dat2 = pp->padat2; /* data word 2 */
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| 187 |
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| 188 | sat = vgtype[spec]; /* sub-address type */
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| 189 |
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| 190 | if (ST_VGT & sat) { /* vg, osc sub-address types */
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| 191 |
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| 192 | vgr = 0x00FF & (suba >> 8); /* voice / group */
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| 193 | osc = 0x00FF & suba; /* oscillator */
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| 194 |
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| 195 | if (vgr > 11) { /* sort out voices from groups */
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| 196 |
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| 197 | vgt = 1; /* group */
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| 198 | vgn = vgr - 12;
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| 199 |
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| 200 | } else {
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| 201 |
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| 202 | vgt = 0; /* voice */
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| 203 | vgn = vgr;
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| 204 | }
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| 205 |
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| 206 | } else if (ST_PCT & sat) { /* port, chan, trig sub-address types */
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| 207 |
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| 208 | port = 0x0003 & (suba >> 11); /* port */
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| 209 | chan = 0x000F & (suba >> 7); /* channel */
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| 210 | trig = 0x007F & suba; /* trigger */
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[7ecfb7b] | 211 |
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| 212 | (void)port;
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| 213 | (void)chan;
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[f40a309] | 214 | }
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[fa38804] | 215 |
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[f40a309] | 216 | switch (spec) { /* dispatch on destination */
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| 217 |
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| 218 | case PA_KEY: /* key action */
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| 219 |
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| 220 | if ((dat2 EQ 0) OR (dat2 EQ 2))
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| 221 | putwq(&ptefifo, suba & 0x1FFF); /* closure */
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| 222 |
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| 223 | if ((dat2 EQ 0) OR (dat2 EQ 1))
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| 224 | putwq(&ptefifo, suba | 0x8000); /* release */
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| 225 |
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| 226 | break;
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| 227 |
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| 228 | case PA_TRG: /* trigger */
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| 229 |
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| 230 | trig &= 0x000F;
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| 231 | trstate[trig] = dat2;
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| 232 |
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| 233 | if (dat2)
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| 234 | putwq(&ptefifo, suba); /* closure */
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| 235 |
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| 236 | seqdupd |= (1 << trig);
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| 237 | break;
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| 238 |
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| 239 | case PA_PLS: /* pulse output */
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| 240 |
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| 241 | if (suba) {
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| 242 |
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| 243 | ser = &io_midi + 10L; /* pulse 2 */
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| 244 | iorec = M2IoRec;
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| 245 |
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| 246 | } else {
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| 247 |
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| 248 | ser = &io_midi + 2L; /* pulse 1 */
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| 249 | iorec = M1IoRec;
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| 250 | }
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| 251 |
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| 252 | oldsr = setsr(0x2700); /* DISABLE INTERRUPTS */
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| 253 |
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| 254 | temp = iorec[29]; /* get current CFR1 */
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| 255 |
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| 256 | switch (dat2) { /* switch on operation */
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| 257 |
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| 258 | case 0: /* transient */
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| 259 |
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| 260 | *ser = temp | 0x0082; /* on */
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| 261 | *ser = (temp & 0x00FD) | 0x0080; /* off */
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| 262 | break;
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| 263 |
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| 264 | case 1: /* off */
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| 265 |
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| 266 | *ser = (temp & 0x00FD) | 0x0080; /* off */
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| 267 | break;
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| 268 |
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| 269 | case 2: /* on */
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| 270 |
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| 271 | *ser = temp | 0x0082; /* on */
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| 272 | break;
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| 273 | }
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| 274 |
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| 275 | setsr(oldsr); /* RESTORE INTERRUPTS */
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| 276 |
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| 277 | break;
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[fa38804] | 278 |
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[f40a309] | 279 | case PA_LED: /* LED control */
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| 280 |
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| 281 | baseled = lg2base[suba]; /* get base of LED group */
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| 282 |
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| 283 | for (i = 0; i < (3 + (suba & 1)); i++) { /* scan LEDs */
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| 284 |
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| 285 | curled = i + baseled;
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| 286 | ledctl = 0x0003 & (dat1 >> (14 - (i << 1)));
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| 287 |
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| 288 | if (ledctl EQ 1) { /* on */
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| 289 |
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| 290 | ledstat[curled] = TRUE;
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| 291 | io_leds = curled;
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| 292 |
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| 293 | } else if (ledctl EQ 2) { /* off */
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| 294 |
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| 295 | ledstat[curled] = FALSE;
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| 296 | io_leds = curled | 0x0080;
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| 297 |
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| 298 | } else if (ledctl EQ 3) { /* toggle */
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| 299 |
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| 300 | if (ledstat[curled]) { /* on -> off */
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| 301 |
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| 302 | ledstat[curled] = FALSE;
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| 303 | io_leds = curled | 0x0080;
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[9519422] | 304 |
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[f40a309] | 305 | } else { /* off -> on */
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| 306 |
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| 307 | ledstat[curled] = TRUE;
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| 308 | io_leds = curled;
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| 309 | }
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| 310 | }
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| 311 | }
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| 312 |
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| 313 | break;
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| 314 |
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| 315 | case PA_SLIN: /* sequence line */
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| 316 |
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| 317 | seqline[suba] = dat1;
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| 318 | seqdupd |= (1 << suba);
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| 319 | break;
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| 320 |
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| 321 | case PA_SCTL: /* sequence control */
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| 322 |
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| 323 |
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| 324 | if (dat2) { /* start */
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| 325 |
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| 326 | seqflag[suba] |= (SQF_RUN|SQF_CLK);
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| 327 | seqtime[suba] = seqtab[seqline[suba]].seqtime;
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| 328 |
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| 329 | #if DEBUGPA
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| 330 | if (debugsw AND debugpa)
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| 331 | printf("dopatch($%08lX): SLIN %02u %03u %5u RUN\n",
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| 332 | pp, suba, seqline[suba], seqtime[suba]);
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| 333 | #endif
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| 334 |
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| 335 | } else { /* stop */
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| 336 |
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| 337 | seqflag[suba] = 0;
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| 338 | seqtime[suba] = 0;
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| 339 |
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| 340 | #if DEBUGPA
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| 341 | if (debugsw AND debugpa)
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| 342 | printf("dopatch($%08lX): SLIN %02u %03u STOP\n",
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| 343 | pp, suba, seqline[suba]);
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| 344 | #endif
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| 345 |
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| 346 | }
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| 347 |
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| 348 | seqdupd |= (1 << suba);
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| 349 | break;
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[fa38804] | 350 |
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[f40a309] | 351 | case PA_TUNE: /* tuning table */
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| 352 |
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| 353 | gettun(dat1);
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| 354 | break;
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| 355 |
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| 356 | case PA_RSET: /* register set */
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| 357 |
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| 358 | sregval[suba] = dat1 ? sregval[dat2] : dat2;
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| 359 | seqdupd |= (1 << suba);
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| 360 | break;
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| 361 |
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| 362 | case PA_RADD: /* regsister add */
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| 363 |
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| 364 | temp = sregval[suba] + (dat1 ? sregval[dat2] : dat2);
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| 365 |
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| 366 | if (temp > 99)
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| 367 | temp = 99;
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| 368 | else if (temp < 0)
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| 369 | temp = 0;
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| 370 |
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| 371 | sregval[suba] = temp;
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| 372 | seqdupd |= (1 << suba);
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| 373 | break;
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| 374 |
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| 375 | case PA_INST: /* instrument select */
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| 376 |
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| 377 | if (vgt) { /* group */
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| 378 |
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| 379 | ins2grp[vgn] = (ins2grp[vgn] & 0xFF00) | dat1;
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| 380 | setv2gi(vgn);
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| 381 |
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| 382 | } else { /* voice */
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| 383 |
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| 384 | if (curvce EQ vgn)
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| 385 | curinst = dat1;
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| 386 |
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| 387 | s_inst[vgn] = dat1;
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| 388 | execins(vgn, dat1, 1);
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| 389 | }
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| 390 |
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| 391 | break;
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| 392 |
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| 393 | case PA_OSC: /* oscillator control */
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| 394 |
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| 395 | if (vgt) { /* group */
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| 396 |
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| 397 | for (i = 0; i < 12; i++)
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| 398 | if (vce2grp[i] EQ (1 + vgn))
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| 399 | pdoctl(i, osc, dat1, dat2);
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| 400 |
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| 401 | } else { /* voice */
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| 402 |
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| 403 | pdoctl(vgn, osc, dat1, dat2);
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| 404 | }
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| 405 |
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| 406 | break;
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[fa38804] | 407 |
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[f40a309] | 408 | case PA_WAVA: /* waveshape A select */
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| 409 |
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| 410 | if (vgt) { /* group */
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| 411 |
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| 412 | for (i = 0; i < 12; i++)
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| 413 | if (vce2grp[i] EQ (1 + vgn))
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| 414 | pdows(0, i, dat1);
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| 415 |
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| 416 | } else { /* voice */
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| 417 |
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| 418 | pdows(0, vgn, dat1);
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| 419 | }
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| 420 |
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| 421 | break;
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| 422 |
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| 423 | case PA_WAVB: /* waveshape B select */
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| 424 |
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| 425 | if (vgt) { /* group */
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| 426 |
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| 427 | for (i = 0; i < 12; i++)
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| 428 | if (vce2grp[i] EQ (1 + vgn))
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| 429 | pdows(1, i, dat1);
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| 430 |
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| 431 | } else { /* voice */
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| 432 |
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| 433 | pdows(1, vgn, dat1);
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| 434 | }
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| 435 |
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| 436 | break;
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| 437 |
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| 438 | case PA_CNFG: /* configuration select */
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| 439 |
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| 440 | if (vgt) {
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| 441 |
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| 442 | for (i = 0; i < 12; i++)
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| 443 | if (vce2grp[i] EQ (1 + vgn)) {
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| 444 |
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| 445 | vbufs[i].idhcfg = dat1;
|
---|
| 446 | dosync(i);
|
---|
| 447 | }
|
---|
| 448 | } else {
|
---|
| 449 |
|
---|
| 450 | vbufs[vgn].idhcfg = dat1;
|
---|
| 451 | dosync(vgn);
|
---|
| 452 | }
|
---|
| 453 |
|
---|
| 454 | break;
|
---|
[fa38804] | 455 |
|
---|
[f40a309] | 456 | case PA_LEVL: /* level */
|
---|
| 457 |
|
---|
| 458 | if (vgt) { /* group */
|
---|
| 459 |
|
---|
| 460 | for (i = 0; i < 12; i++)
|
---|
| 461 | if (vce2grp[i] EQ (1 + vgn))
|
---|
| 462 | pfpufn(i, 2, dat1, dat2);
|
---|
| 463 |
|
---|
| 464 | } else { /* voice */
|
---|
| 465 |
|
---|
| 466 | pfpufn(vgn, 2, dat1, dat2);
|
---|
| 467 | }
|
---|
| 468 |
|
---|
| 469 | break;
|
---|
| 470 |
|
---|
| 471 | case PA_INDX: /* index */
|
---|
| 472 |
|
---|
| 473 | if (vgt) { /* group */
|
---|
| 474 |
|
---|
| 475 | for (i = 0; i < 12; i++)
|
---|
| 476 | if (vce2grp[i] EQ (1 + vgn))
|
---|
| 477 | pfpufn(i, ind2par[osc], dat1, dat2);
|
---|
| 478 |
|
---|
| 479 | } else { /* voice */
|
---|
| 480 |
|
---|
| 481 | pfpufn(vgn, ind2par[osc], dat1, dat2);
|
---|
| 482 | }
|
---|
| 483 |
|
---|
| 484 | break;
|
---|
[fa38804] | 485 |
|
---|
[f40a309] | 486 | case PA_FREQ: /* frequency */
|
---|
| 487 |
|
---|
| 488 | if (vgt) { /* group */
|
---|
| 489 |
|
---|
| 490 | for (i = 0; i < 12; i++)
|
---|
| 491 | if (vce2grp[i] EQ (1 + vgn))
|
---|
| 492 | pfpufn(i, frq2par[osc], dat1, dat2);
|
---|
| 493 |
|
---|
| 494 | } else { /* voice */
|
---|
| 495 |
|
---|
| 496 | pfpufn(vgn, frq2par[osc], dat1, dat2);
|
---|
| 497 | }
|
---|
| 498 |
|
---|
| 499 | break;
|
---|
| 500 |
|
---|
| 501 | case PA_FILT: /* filter frequency */
|
---|
| 502 |
|
---|
| 503 | if (vgt) { /* group */
|
---|
| 504 |
|
---|
| 505 | for (i = 0; i < 12; i++)
|
---|
| 506 | if (vce2grp[i] EQ (1 + vgn))
|
---|
| 507 | pfpufn(i, 10, dat1, dat2);
|
---|
| 508 |
|
---|
| 509 | } else { /* voice */
|
---|
| 510 |
|
---|
| 511 | pfpufn(vgn, 10, dat1, dat2);
|
---|
| 512 | }
|
---|
| 513 |
|
---|
| 514 | break;
|
---|
[fa38804] | 515 |
|
---|
[f40a309] | 516 | case PA_FILQ: /* filter resonance */
|
---|
| 517 |
|
---|
| 518 | if (vgt) { /* group */
|
---|
| 519 |
|
---|
| 520 | for (i = 0; i < 12; i++)
|
---|
| 521 | if (vce2grp[i] EQ (1 + vgn))
|
---|
| 522 | pfpufn(i, 6, dat1, dat2);
|
---|
| 523 |
|
---|
| 524 | } else { /* voice */
|
---|
| 525 |
|
---|
| 526 | pfpufn(vgn, 6, dat1, dat2);
|
---|
| 527 | }
|
---|
| 528 |
|
---|
| 529 | break;
|
---|
| 530 |
|
---|
| 531 | case PA_LOCN: /* location */
|
---|
| 532 |
|
---|
| 533 | if (vgt) { /* group */
|
---|
| 534 |
|
---|
| 535 | for (i = 0; i < 12; i++)
|
---|
| 536 | if (vce2grp[i] EQ (1 + vgn))
|
---|
| 537 | pfpufn(i, 4, dat1, dat2);
|
---|
| 538 |
|
---|
| 539 | } else { /* voice */
|
---|
| 540 |
|
---|
| 541 | pfpufn(vgn, 4, dat1, dat2);
|
---|
| 542 | }
|
---|
| 543 |
|
---|
| 544 | break;
|
---|
[fa38804] | 545 |
|
---|
[f40a309] | 546 | case PA_DYNM: /* dynamics */
|
---|
| 547 |
|
---|
| 548 | if (vgt) { /* group */
|
---|
| 549 |
|
---|
| 550 | for (i = 0; i < 12; i++)
|
---|
| 551 | if (vce2grp[i] EQ (1 + vgn))
|
---|
| 552 | pfpufn(i, 8, dat1, dat2);
|
---|
| 553 |
|
---|
| 554 | } else { /* voice */
|
---|
| 555 |
|
---|
| 556 | pfpufn(vgn, 8, dat1, dat2);
|
---|
| 557 | }
|
---|
| 558 |
|
---|
| 559 | break;
|
---|
| 560 |
|
---|
| 561 | case PA_AUX: /* auxiliary control */
|
---|
| 562 |
|
---|
| 563 | pfpufn(9, 0, dat1, dat2);
|
---|
| 564 | break;
|
---|
| 565 |
|
---|
| 566 | case PA_RATE: /* phase shifter rate */
|
---|
| 567 |
|
---|
| 568 | pfpufn(2, 0, dat1, dat2);
|
---|
| 569 | break;
|
---|
| 570 |
|
---|
| 571 | case PA_INTN: /* phase shifter intensity */
|
---|
| 572 |
|
---|
| 573 | pfpufn(1, 0, dat1, dat2);
|
---|
| 574 | break;
|
---|
| 575 |
|
---|
| 576 | case PA_DPTH: /* phase shifter depth */
|
---|
| 577 |
|
---|
| 578 | pfpufn(3, 0, dat1, dat2);
|
---|
| 579 | break;
|
---|
| 580 |
|
---|
| 581 | case PA_VOUT: /* control voltage output */
|
---|
| 582 |
|
---|
| 583 | pfpufn(cv2vce[suba], 0, dat1, dat2);
|
---|
| 584 | break;
|
---|
| 585 |
|
---|
| 586 | }
|
---|
| 587 | }
|
---|
[6262b5c] | 588 |
|
---|