[f40a309] | 1 | /*
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| 2 | =============================================================================
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| 3 | asgvce.c -- MIDAS-VII -- assign voice / enter notes into score
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| 4 | Version 12 -- 1988-10-03 -- D.N. Lynx Crowe
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| 5 | =============================================================================
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| 6 | */
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| 7 |
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| 8 | #undef DEBUGGER /* define to enable debug trace */
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| 9 |
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| 10 | #define DEBUGIT 0
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| 11 |
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| 12 | #include "debug.h"
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| 13 |
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| 14 | #include "biosdefs.h"
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| 15 | #include "stddefs.h"
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| 16 | #include "graphdef.h"
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| 17 | #include "hwdefs.h"
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| 18 | #include "smdefs.h"
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| 19 | #include "sclock.h"
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| 20 | #include "score.h"
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| 21 | #include "slice.h"
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| 22 | #include "vsdd.h"
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| 23 |
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| 24 | #include "midas.h"
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| 25 | #include "scfns.h"
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| 26 | #include "scdsp.h"
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| 27 |
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[e225e77] | 28 | #include "stdio.h"
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| 29 | #include "vsddsw.h"
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| 30 |
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| 31 | extern int16_t sc_trak(int32_t tval);
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| 32 | extern int16_t sc_trek(int32_t tval);
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| 33 | extern void chgsdf(void);
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| 34 | extern void chgsef(void);
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| 35 | extern void execkey(int16_t trg, int16_t pch, int16_t vce, int16_t tag);
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| 36 | extern void se_disp(struct s_entry *ep, int16_t sd, struct gdsel *gdstb[], int16_t cf);
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| 37 |
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[f40a309] | 38 | #if DEBUGIT
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| 39 | extern short debugsw;
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| 40 | #endif
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| 41 |
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| 42 | /* |
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| 43 |
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| 44 | */
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[7258c6a] | 45 |
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| 46 | extern int16_t clksrc; /* clock source */
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| 47 | extern int16_t curasg; /* current assignment table */
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| 48 | extern int16_t legato; /* "legato" mode flag */
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| 49 | extern int16_t lstbgnc; /* last note begin entry count */
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| 50 | extern int16_t lstendc; /* last note end entry count */
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| 51 | extern int16_t lstflag; /* last note list end flag */
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| 52 | extern int16_t ndisp; /* current display number */
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| 53 | extern int16_t newflag; /* new data entered while t_ctr EQ t_cur */
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| 54 | extern int16_t nkdown; /* number of keys down */
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| 55 | extern int16_t recsw; /* record/play switch */
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| 56 | extern int16_t sd; /* score display direction */
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| 57 | extern int16_t se; /* score execution direction */
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| 58 | extern int16_t stepenb; /* step enable */
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| 59 | extern int16_t stepint; /* note interval */
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| 60 | extern int16_t stepwgt; /* note weight */
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| 61 | extern int16_t velflag; /* velocity display enable flag */
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| 62 |
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| 63 | extern int16_t grpmode[]; /* group mode table */
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| 64 | extern int16_t grpstat[]; /* group status table */
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| 65 | extern int16_t ins2grp[]; /* instrument to group assigments */
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| 66 | extern int16_t vce2grp[]; /* voice to group map */
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| 67 | extern int16_t lastvce[]; /* last voice assigned in each group */
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| 68 | extern int16_t lastvel[]; /* last velocity seen by each group */
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| 69 | extern int16_t tuntab[]; /* current tuning table */
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| 70 | extern int16_t vce2trg[]; /* voice to trigger map (-1 EQ NULL) */
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| 71 |
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| 72 | extern int16_t stepfrm[][17]; /* steps per frame table */
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| 73 |
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[f40a309] | 74 | extern uint16_t *obj8; /* score display object pointer */
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| 75 |
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| 76 | extern struct gdsel *gdstbc[]; /* group status table - center slice */
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| 77 |
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| 78 | extern struct n_entry *lstbgns[NLSTENTS]; /* note begin pointers */
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| 79 | extern struct n_entry *lstends[NLSTENTS]; /* note end pointers */
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| 80 |
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| 81 | extern struct nevent *nefree; /* pointer to free note entries */
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| 82 | extern struct nevent *nelist; /* pointer to note entry list */
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| 83 |
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| 84 | extern struct nevent nevents[NNEVTS]; /* note event list */
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| 85 |
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| 86 | /* |
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| 87 |
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| 88 | */
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| 89 |
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| 90 | /*
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| 91 | =============================================================================
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| 92 | clrnl() -- clear note list
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| 93 | =============================================================================
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[0580615] | 94 | */
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[f40a309] | 95 |
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[7258c6a] | 96 | void clrnl(void)
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[f40a309] | 97 | {
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| 98 | register int16_t i;
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| 99 |
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| 100 | DB_ENTR("clrnl");
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| 101 |
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| 102 | for (i = 0; i < NNEVTS - 1; i++) {
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| 103 |
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| 104 | nevents[i].nxt = &nevents[i + 1];
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| 105 | nevents[i].note = 0;
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| 106 | nevents[i].group = 0;
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| 107 | }
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| 108 |
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| 109 | nevents[NNEVTS - 1].nxt = (struct nevent *)0L;
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| 110 |
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| 111 | nelist = (struct nevent *)0L;
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| 112 | nefree = &nevents[0];
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| 113 | nkdown = 0;
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| 114 |
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| 115 | DB_EXIT("clrnl");
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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 |
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| 122 | /*
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| 123 | =============================================================================
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| 124 | ne_end() -- enter a note end event
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[7258c6a] | 125 | =============================================================================
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[f40a309] | 126 | */
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[7258c6a] | 127 |
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| 128 | void ne_end(int16_t trg, int16_t grp)
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[f40a309] | 129 | {
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| 130 | register int16_t nn;
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| 131 | register int32_t fcend;
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| 132 | register struct nevent *nx;
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| 133 | register struct n_entry *ep;
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| 134 |
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| 135 | DB_ENTR("ne_end");
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| 136 |
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| 137 | /* must be recording into a voice in record mode ... */
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| 138 |
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| 139 | if ((recsw EQ 0) OR (grpmode[grp] NE 2)) {
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| 140 |
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| 141 | DB_EXIT("ne_end");
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| 142 | return; /* ... or, we're done */
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| 143 | }
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| 144 |
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| 145 | DB_CMNT("ne_end - recording");
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| 146 |
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| 147 | /* make pointers point in the forward direction */
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| 148 |
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| 149 | if (sd EQ D_BAK)
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| 150 | chgsdf();
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| 151 |
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| 152 | if (se EQ D_BAK)
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| 153 | chgsef();
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| 154 | /* |
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| 155 |
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| 156 | */
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| 157 | nn = trg & 0x007F; /* note number */
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| 158 |
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| 159 | if (clksrc NE CK_STEP) { /* not in step mode */
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| 160 |
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| 161 | DB_CMNT("ne_end - non-step");
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| 162 |
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| 163 | if (E_NULL NE (ep = (struct n_entry *)e_alc(E_SIZE1))) {
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| 164 |
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| 165 | DB_CMNT("ne_end - enter note end");
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| 166 | ep->e_time = t_cur;
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| 167 | ep->e_type = EV_NEND | 0x80;
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| 168 | ep->e_note = nn;
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| 169 | ep->e_group = grp;
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| 170 | ep->e_vel = SM_SCALE(64);
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| 171 |
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| 172 | p_cur = e_ins((struct s_entry *)ep,
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| 173 | ep_adj(p_cur, 0, t_cur))->e_fwd;
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| 174 |
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| 175 | if (t_cur EQ t_ctr)
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| 176 | newflag = TRUE;
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| 177 |
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| 178 | se_disp(ep, D_FWD, gdstbc, 1);
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| 179 |
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| 180 | } else {
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| 181 |
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| 182 | DB_CMNT("ne_end - no space");
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| 183 | }
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| 184 |
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| 185 | DB_EXIT("ne_end");
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| 186 | return;
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| 187 | /* |
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| 188 |
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| 189 | */
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| 190 | } else if (nkdown GE 1) { /* process note entry in step mode */
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| 191 |
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| 192 | DB_CMNT("ne_end - log key up");
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| 193 |
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| 194 | if (0 EQ --nkdown) { /* if all keys are up ... */
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| 195 |
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| 196 | if (stepenb) {
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| 197 |
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| 198 | /* advance by the note weight */
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| 199 |
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| 200 | DB_CMNT("ne_end - advance weight");
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| 201 | fcend = fc_val + stepfrm[3][stepint];
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| 202 | fc_val += stepfrm[stepwgt][stepint];
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| 203 | sc_trek(fc_val);
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| 204 | sc_trak(fc_val);
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| 205 | DB_CMNT("ne_end - doing note ends");
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| 206 | }
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| 207 |
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| 208 | while (nelist) {
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| 209 |
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| 210 | nn = nelist->note; /* get note */
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| 211 | grp = nelist->group; /* get group */
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| 212 |
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| 213 | if (E_NULL NE (ep = (struct n_entry *)e_alc(E_SIZE1))) {
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| 214 |
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| 215 | DB_CMNT("ne_end - enter note end");
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| 216 | ep->e_time = t_cur;
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| 217 | ep->e_type = EV_NEND | 0x80;
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| 218 | ep->e_note = nn;
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| 219 | ep->e_group = grp;
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| 220 | ep->e_vel = SM_SCALE(64);
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| 221 |
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| 222 | p_cur = e_ins((struct s_entry *)ep,
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| 223 | ep_adj(p_cur, 0, t_cur))->e_fwd;
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| 224 |
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| 225 | se_disp(ep, D_FWD, gdstbc, 1);
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| 226 |
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| 227 | if (lstendc < NLSTENTS)
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| 228 | lstends[lstendc++] = ep;
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| 229 |
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| 230 | } else {
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| 231 |
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| 232 | DB_CMNT("ne_end - no space");
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| 233 | }
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| 234 | /* |
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| 235 |
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| 236 | */
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| 237 | DB_CMNT("ne_end - freeing nevent");
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| 238 | nx = nelist->nxt; /* get next nelist ptr */
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| 239 | nelist->nxt = nefree; /* free nelist entry */
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| 240 | nefree = nelist; /* ... */
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| 241 | nelist = nx; /* update nelist */
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| 242 | }
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| 243 |
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| 244 | lstflag = TRUE; /* indicate end of list */
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| 245 |
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| 246 | DB_CMNT("ne_end - note ends done");
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| 247 |
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| 248 | if (stepenb) {
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| 249 |
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| 250 | if (fc_val LT fcend) { /* advance to the interval */
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| 251 |
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| 252 | DB_CMNT("ne_end - advance interval");
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| 253 | fc_val = fcend;
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| 254 | sc_trek(fc_val);
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| 255 | sc_trak(fc_val);
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| 256 | }
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| 257 | }
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| 258 | }
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| 259 |
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| 260 | } else {
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| 261 |
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| 262 | nkdown = 0; /* no keys down */
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| 263 |
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| 264 | lstendc = 0; /* no step entries to delete */
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| 265 | lstbgnc = 0;
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| 266 | lstflag = FALSE;
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| 267 | }
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| 268 |
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| 269 | DB_EXIT("ne_end");
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| 270 | }
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| 271 |
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| 272 | /* |
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| 273 |
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| 274 | */
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[7258c6a] | 275 |
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[f40a309] | 276 | /*
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| 277 | =============================================================================
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| 278 | ne_bgn() -- enter a note begin event
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| 279 | =============================================================================
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| 280 | */
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| 281 |
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| 282 | void ne_bgn(int16_t grp, int16_t key, int16_t vel)
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| 283 | {
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| 284 | register struct n_entry *ep;
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| 285 | register struct nevent *np;
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| 286 |
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| 287 | DB_ENTR("ne_bgn");
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| 288 |
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| 289 | /* must be recording into a group in record mode ... */
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| 290 |
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| 291 | if ((recsw NE 0) AND (grpmode[grp] EQ 2)) {
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| 292 |
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| 293 | DB_CMNT("ne_bgn - recording");
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| 294 |
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| 295 | /* make pointers point in the forward direction */
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| 296 |
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| 297 | if (sd EQ D_BAK)
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| 298 | chgsdf();
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| 299 |
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| 300 | if (se EQ D_BAK)
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| 301 | chgsef();
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| 302 |
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| 303 | if (lstflag) { /* cancel old list of notes */
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| 304 |
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| 305 | lstbgnc = 0;
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| 306 | lstendc = 0;
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| 307 | lstflag = FALSE;
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| 308 | }
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| 309 |
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| 310 | if (clksrc EQ CK_STEP) { /* step mode */
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| 311 |
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| 312 | DB_CMNT("ne_bgn - step");
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| 313 | ++nkdown; /* count keys down */
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| 314 |
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| 315 | if (nefree) { /* log a key closure */
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| 316 |
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| 317 | np = nefree;
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| 318 | nefree = np->nxt;
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| 319 | np->note = key;
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| 320 | np->group = grp;
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| 321 | np->nxt = nelist;
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| 322 | nelist = np;
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| 323 | DB_CMNT("ne_bgn - key logged");
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| 324 |
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| 325 | } else {
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| 326 |
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| 327 | DB_CMNT("ne_bgn - nefree empty");
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| 328 | }
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| 329 | }
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| 330 | /* |
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| 331 |
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| 332 | */
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| 333 | if (E_NULL NE (ep = (struct n_entry *)e_alc(E_SIZE1))) {
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| 334 |
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| 335 | DB_CMNT("ne_bgn - enter note begin");
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| 336 | ep->e_time = t_cur;
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| 337 | ep->e_type = EV_NBEG | 0x80;
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| 338 | ep->e_note = key;
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| 339 | ep->e_group = grp;
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| 340 | ep->e_vel = (clksrc EQ CK_STEP) ? SM_SCALE(64) : vel;
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| 341 |
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| 342 | p_cur = e_ins((struct s_entry *)ep,
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| 343 | ep_adj(p_cur, 0, t_cur))->e_fwd;
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| 344 |
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| 345 | se_disp(ep, D_FWD, gdstbc, 1);
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| 346 |
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| 347 | if (t_cur EQ t_ctr)
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| 348 | newflag = TRUE;
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| 349 |
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| 350 | if ((clksrc EQ CK_STEP) AND (lstbgnc < NLSTENTS))
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| 351 | lstbgns[lstbgnc++] = ep;
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| 352 |
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| 353 | } else {
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| 354 |
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| 355 | DB_CMNT("ne_bgn - no space");
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| 356 | }
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| 357 | }
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| 358 |
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| 359 | DB_EXIT("ne_bgn");
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| 360 | }
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| 361 |
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| 362 | /* |
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[7258c6a] | 363 |
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[f40a309] | 364 | */
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[7258c6a] | 365 |
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[f40a309] | 366 | /*
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| 367 | =============================================================================
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| 368 | showvel() -- display velocity for a group
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| 369 | =============================================================================
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| 370 | */
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| 371 |
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| 372 | void showvel(int16_t g, int16_t v)
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| 373 | {
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| 374 | int8_t buf[6];
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| 375 |
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| 376 | if (v_regs[5] & 0x0180)
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| 377 | vbank(0);
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| 378 |
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| 379 | lastvel[g] = v;
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| 380 |
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| 381 | sprintf(buf, "%03d", (v / 252));
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| 382 |
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| 383 | vputs(obj8, 5, (g * 5) + 6, buf, SDW11ATR);
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| 384 | }
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| 385 |
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[7258c6a] | 386 | /* |
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[f40a309] | 387 |
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[7258c6a] | 388 | */
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| 389 |
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| 390 | /*
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| 391 | =============================================================================
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| 392 | asgvce() -- assign a voice
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[f40a309] | 393 | =============================================================================
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| 394 | */
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| 395 |
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| 396 | void asgvce(int16_t grp, int16_t port, int16_t chan, int16_t key, int16_t vel)
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| 397 | {
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| 398 | register int16_t i;
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| 399 | register int16_t tv;
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| 400 | register int16_t vp;
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| 401 | register int16_t trg;
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| 402 | register int16_t aflag;
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| 403 | register struct nevent *np;
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| 404 | register struct n_entry *ep;
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| 405 |
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| 406 | DB_ENTR("asgvce");
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| 407 |
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| 408 | trg = (port << 11) + (chan << 7) + key; /* trigger number */
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| 409 | vp = lastvce[grp] + 1; /* voice to start with */
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| 410 | vp = (vp > 11) ? 0 : vp; /* ... (adjust into range) */
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| 411 |
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| 412 | /* |
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| 413 |
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| 414 | */
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| 415 |
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| 416 | DB_CMNT("asgvce - search unassgined");
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| 417 |
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| 418 | for (i = 12; i--; ) { /* search for unassigned voice */
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| 419 |
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| 420 | if ((vce2trg[vp] EQ -1) AND (vce2grp[vp] EQ (grp + 1))) {
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| 421 |
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| 422 | if ((ndisp EQ 2) AND velflag AND (NOT recsw))
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| 423 | showvel(grp, vel);
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| 424 |
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| 425 | lastvce[grp] = vp;
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| 426 | execkey(trg, tuntab[key], vp, 0);
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| 427 | DB_EXIT("asgvce - free voice");
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| 428 | return;
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| 429 | }
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| 430 |
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| 431 | if (++vp > 11)
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| 432 | vp = 0;
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| 433 | }
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| 434 |
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| 435 | DB_CMNT("asgvce - seach non-held");
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| 436 |
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| 437 | for (i = 12; i--; ) { /* search for non-held voice */
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| 438 |
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| 439 | tv = vce2trg[vp];
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| 440 |
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| 441 | if (tv EQ -1)
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| 442 | aflag = TRUE; /* OK - unassigned */
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| 443 | else if (0 EQ (tv & (MKEYHELD << 8)))
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| 444 | aflag = TRUE; /* OK - not held */
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| 445 | else
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| 446 | aflag = FALSE; /* NO - held */
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| 447 |
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[7848656] | 448 | if (aflag AND (vce2grp[vp] EQ (grp + 1))) {
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[f40a309] | 449 |
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| 450 | if ((ins2grp[grp] & GTAG1) AND
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| 451 | (tv NE trg) AND (tv NE -1))
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| 452 | legato = 1;
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| 453 |
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| 454 | if ((ndisp EQ 2) AND velflag AND (NOT recsw))
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| 455 | showvel(grp, vel);
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[7848656] | 456 |
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[f40a309] | 457 | lastvce[grp] = vp;
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| 458 | execkey(trg, tuntab[key], vp, 0);
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| 459 | DB_EXIT("asgvce - stolen voice");
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| 460 | return;
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| 461 | }
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| 462 |
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| 463 | if (++vp > 11)
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| 464 | vp = 0;
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| 465 | }
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| 466 |
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| 467 | DB_EXIT("asgvce - no voice");
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| 468 | }
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