| 1 | /*
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| 2 | =============================================================================
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| 3 | wsdsp.c -- MIDAS waveshape editor display driver
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| 4 | Version 35 -- 1988-09-09 -- D.N. Lynx Crowe
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| 5 | =============================================================================
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| 6 | */
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| 7 |
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| 8 | #include "stddefs.h"
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| 9 | #include "memory.h"
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| 10 |
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| 11 | #include "fpu.h"
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| 12 | #include "hwdefs.h"
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| 13 | #include "vsdd.h"
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| 14 | #include "vsddsw.h"
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| 15 | #include "vsddvars.h"
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| 16 | #include "graphdef.h"
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| 17 | #include "charset.h"
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| 18 | #include "fields.h"
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| 19 |
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| 20 | #include "midas.h"
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| 21 | #include "instdsp.h"
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| 22 | #include "wsdsp.h"
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| 23 |
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| 24 | /* things defined elsewhere */
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| 25 |
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| 26 | extern unsigned exp_c();
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| 27 |
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| 28 | extern int (*point)();
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| 29 |
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| 30 | extern unsigned *obj0;
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| 31 |
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| 32 | extern char bfs[];
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| 33 |
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| 34 | extern char *wdbxlb0[];
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| 35 | extern char *wdbxlb1[];
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| 36 |
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| 37 | extern short wdbox[][8];
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| 38 |
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| 39 | extern struct instdef vbufs[];
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| 40 |
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| 41 | /* |
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| 42 |
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| 43 | */
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| 44 |
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| 45 | extern short curinst;
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| 46 | extern short curvce;
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| 47 | extern short curwave; /* current waveshape library slot */
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| 48 | extern short curwdth; /* current waveshape cursor width */
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| 49 | extern short curwfnl; /* current waveshape final value */
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| 50 | extern short curwhrm; /* current waveshape harmonic number */
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| 51 | extern short curwhrv; /* current waveshape harmonic value */
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| 52 | extern short curwpnt; /* current waveshape point number */
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| 53 | extern short curwoff; /* current waveshape offset value */
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| 54 | extern short curwslt; /* current waveshape instrument slot */
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| 55 | extern short cxval;
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| 56 | extern short cyval;
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| 57 | extern short lstwoff;
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| 58 | extern short lstwpnt;
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| 59 | extern short stccol;
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| 60 | extern short stcrow;
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| 61 | extern short wpntsv; /* waveshape point selection state variable */
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| 62 | extern short wplast;
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| 63 | extern short wvlast;
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| 64 |
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| 65 | extern short vmtab[NUMHARM]; /* harmonic table */
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| 66 | extern short wsbuf[NUMWPCAL]; /* waveshape generation buffer */
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| 67 |
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| 68 | extern long vknm[NUMHARM][NUMWPCAL]; /* scaled harmonics */
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| 69 |
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| 70 | extern unsigned *waveob; /* waveshape display object pointer */
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| 71 |
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| 72 | extern short wsnmod[12][2]; /* waveshape number or data modified */
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| 73 |
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| 74 | extern struct wstbl wslib[NUMWAVS]; /* waveshape library */
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| 75 |
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| 76 | extern struct octent *wdoct; /* object control table pointer */
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| 77 |
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| 78 | /* forward references */
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| 79 |
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| 80 | short wdpoint();
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| 81 |
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| 82 | /* |
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| 83 |
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| 84 | */
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| 85 |
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| 86 | short wavpal[16][3] = { /* waveshape display color palette */
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| 87 |
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| 88 | {0, 0, 0}, /* 0 */
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| 89 | {3, 3, 3}, /* 1 */
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| 90 | {2, 2, 2}, /* 2 */
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| 91 | {0, 1, 1}, /* 3 (was 0, 1, 0) */
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| 92 | {1, 0, 1}, /* 4 */
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| 93 | {0, 1, 1}, /* 5 (was 0, 1, 0) */
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| 94 | {2, 1, 2}, /* 6 */
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| 95 | {0, 3, 0}, /* 7 */
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| 96 | {2, 0, 0}, /* 8 */
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| 97 | {2, 0, 2}, /* 9 */
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| 98 | {0, 0, 0}, /* 10 */
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| 99 | {2, 3, 3}, /* 11 */
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| 100 | {3, 3, 0}, /* 12 */
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| 101 | {3, 0, 0}, /* 13 */
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| 102 | {0, 0, 1}, /* 14 (was 0, 0, 2) */
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| 103 | {0, 0, 3} /* 15 */
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| 104 | };
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| 105 |
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| 106 | /* |
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| 107 |
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| 108 | */
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| 109 |
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| 110 | /*
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| 111 | =============================================================================
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| 112 | advwcur() -- advance the waveshape display text cursor
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| 113 | =============================================================================
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| 114 | */
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| 115 |
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| 116 | advwcur()
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| 117 | {
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| 118 | register short newcol;
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| 119 |
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| 120 | newcol = stccol + 1;
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| 121 |
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| 122 | if (newcol LE cfetp->frcol)
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| 123 | itcpos(stcrow, newcol);
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| 124 | }
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| 125 |
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| 126 | /* |
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| 127 |
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| 128 | */
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| 129 |
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| 130 | /*
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| 131 | =============================================================================
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| 132 | hdraw(h) -- draw harmonic 'h' for the current waveshape
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| 133 | =============================================================================
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| 134 | */
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| 135 |
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| 136 | hdraw(hv, h)
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| 137 | register short *hv;
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| 138 | short h;
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| 139 | {
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| 140 | register short bc, bx, by, j;
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| 141 |
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| 142 | bx = (h << 4) + 4;
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| 143 |
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| 144 | if (hv[h] < 0) {
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| 145 |
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| 146 | by = WBOFF - ((-hv[h] * WBSF1) / WBSF2);
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| 147 | bc = WBCN;
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| 148 |
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| 149 | } else {
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| 150 |
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| 151 | by = WBOFF - ((hv[h] * WBSF1) / WBSF2);
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| 152 | bc = WBCP;
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| 153 | }
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| 154 |
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| 155 | for (j = 0; j < 8; j++) {
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| 156 |
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| 157 | lseg(bx, WBOFF, bx, by, bc);
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| 158 | ++bx;
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| 159 | }
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| 160 | }
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| 161 |
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| 162 | /* |
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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 | dsws() -- display the current waveshape
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| 169 | =============================================================================
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| 170 | */
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| 171 |
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| 172 | dsws(how)
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| 173 | short how;
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| 174 | {
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| 175 | register struct instdef *ip;
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| 176 | register short *fv, *hv, *ov;
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| 177 | register short i;
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| 178 | short cx;
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| 179 |
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| 180 | cx = exp_c(wdbox[0][0]);
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| 181 |
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| 182 | ip = &vbufs[curvce];
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| 183 | fv = curwslt ? &ip->idhwvbf : &ip->idhwvaf;
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| 184 | ov = curwslt ? &ip->idhwvbo : &ip->idhwvao;
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| 185 | hv = curwslt ? &ip->idhwvbh : &ip->idhwvah;
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| 186 |
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| 187 | point = wdpoint;
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| 188 |
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| 189 | if (v_regs[5] & 0x0180)
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| 190 | vbank(0);
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| 191 |
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| 192 | if (how)
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| 193 | vbfill4(waveob, 128, wdbox[0][0], wdbox[0][1],
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| 194 | wdbox[0][2], wdbox[0][3], cx);
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| 195 |
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| 196 | lseg(1, 133, 510, 133, WZBC); /* draw the zero line and ... */
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| 197 | lseg(1, (WPOFF << 1), 510, (WPOFF << 1), WZBC); /* ... bottom limit */
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| 198 |
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| 199 | for (i = 0; i < NUMHARM; i++) /* draw the harmonics */
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| 200 | hdraw(hv, i);
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| 201 |
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| 202 | for (i = 0; i < NUMWPNT; i++) { /* draw the values */
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| 203 |
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| 204 | /* offset values */
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| 205 |
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| 206 | wdpoint(((2 * i) + 2),
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| 207 | (WPOFF - (((ov[i] >> 5) * WPSF1) / WPSF2)), WOVC);
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| 208 |
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| 209 | /* final values */
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| 210 |
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| 211 | wdpoint(((2 * i) + 2),
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| 212 | (WPOFF - (((fv[i] >> 5) * WPSF1) / WPSF2)), WFVC);
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| 213 | }
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| 214 | }
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| 215 |
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| 216 | /* |
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| 217 |
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| 218 | */
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| 219 |
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| 220 | /*
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| 221 | =============================================================================
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| 222 | wdswin() -- display a window
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| 223 | =============================================================================
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| 224 | */
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| 225 |
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| 226 | wdswin(n)
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| 227 | register short n;
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| 228 | {
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| 229 | register short cx, wval;
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| 230 | register char wsgn;
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| 231 |
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| 232 | cx = wdbox[n][5];
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| 233 | cx |= cx << 4;
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| 234 | cx |= cx << 8;
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| 235 |
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| 236 | /* first, fill the box with the background color */
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| 237 |
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| 238 | if (v_regs[5] & 0x0180)
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| 239 | vbank(0);
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| 240 |
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| 241 | vbfill4(waveob, 128, wdbox[n][0], wdbox[n][1], wdbox[n][2],
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| 242 | wdbox[n][3], cx);
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| 243 |
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| 244 | /* put in the box label */
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| 245 |
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| 246 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6], wdbox[n][7],
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| 247 | wdbxlb0[n], 14);
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| 248 |
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| 249 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1, wdbox[n][7],
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| 250 | wdbxlb1[n], 14);
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| 251 |
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| 252 | /* |
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| 253 |
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| 254 | */
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| 255 | switch (n) { /* final text - overlays above stuff */
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| 256 |
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| 257 | case 0: /* points and bars */
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| 258 |
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| 259 | dsws(0);
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| 260 | return;
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| 261 |
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| 262 | case 2: /* waveshape - voice - instrument - slot */
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| 263 |
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| 264 | sprintf(bfs, "%02d", curwave + 1);
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| 265 | tsplot4(waveob, 64,
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| 266 | exp_c(wsnmod[curvce][curwslt] ? WS_CHGC : wdbox[n][4]),
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| 267 | wdbox[n][6], wdbox[n][7] + WAVE_OFF, bfs, 14);
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| 268 |
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| 269 | sprintf(bfs, "%02d", curvce + 1);
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| 270 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6],
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| 271 | wdbox[n][7] + WVCE_OFF, bfs, 14);
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| 272 |
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| 273 | sprintf(bfs, "%02d", curinst);
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| 274 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1,
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| 275 | wdbox[n][7] + WINS_OFF, bfs, 14);
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| 276 |
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| 277 | sprintf(bfs, "%c", curwslt + 'A');
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| 278 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1,
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| 279 | wdbox[n][7] + WSLT_OFF, bfs, 14);
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| 280 |
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| 281 | return;
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| 282 |
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| 283 | /* |
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| 284 |
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| 285 | */
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| 286 | case 4: /* point - offset - width - final */
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| 287 |
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| 288 | sprintf(bfs, "%03d", curwpnt);
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| 289 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6],
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| 290 | wdbox[n][7] + WPNT_OFF, bfs, 14);
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| 291 |
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| 292 | if (curwoff < 0) {
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| 293 |
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| 294 | wval = - curwoff;
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| 295 | wsgn = '-';
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| 296 |
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| 297 | } else {
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| 298 |
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| 299 | wval = curwoff;
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| 300 | wsgn = '+';
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| 301 | }
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| 302 |
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| 303 | sprintf(bfs, "%c%04d", wsgn, wval);
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| 304 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6],
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| 305 | wdbox[n][7] + WOFF_OFF, bfs, 14);
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| 306 |
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| 307 | if (curwdth EQ NUMWIDS) {
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| 308 |
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| 309 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1,
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| 310 | wdbox[n][7], "Interp", 14);
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| 311 |
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| 312 | } else {
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| 313 |
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| 314 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1,
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| 315 | wdbox[n][7], "Width", 14);
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| 316 |
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| 317 | sprintf(bfs, "%01d", curwdth);
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| 318 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1,
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| 319 | wdbox[n][7] + WDTH_OFF, bfs, 14);
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| 320 | }
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| 321 |
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| 322 | if (curwfnl < 0) {
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| 323 |
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| 324 | wval = - curwfnl;
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| 325 | wsgn = '-';
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| 326 |
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| 327 | } else {
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| 328 |
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| 329 | wval = curwfnl;
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| 330 | wsgn = '+';
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| 331 | }
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| 332 |
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| 333 | sprintf(bfs, "%c%04d", wsgn, wval);
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| 334 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1,
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| 335 | wdbox[n][7] + WFNL_OFF, bfs, 14);
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| 336 |
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| 337 | return;
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| 338 | /* |
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| 339 |
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| 340 | */
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| 341 | case 5: /* harmonic - value */
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| 342 |
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| 343 | sprintf(bfs, "%02d", curwhrm + 1);
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| 344 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6],
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| 345 | wdbox[n][7] + WHRM_OFF, bfs, 14);
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| 346 |
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| 347 | if (curwhrv < 0) {
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| 348 |
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| 349 | wval = - curwhrv;
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| 350 | wsgn = '-';
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| 351 |
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| 352 | } else {
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| 353 |
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| 354 | wval = curwhrv;
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| 355 | wsgn = '+';
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| 356 | }
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| 357 |
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| 358 | sprintf(bfs, "%c%03d", wsgn, wval);
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| 359 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1,
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| 360 | wdbox[n][7] + WHRV_OFF, bfs, 14);
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| 361 |
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| 362 | return;
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| 363 |
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| 364 | }
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| 365 | }
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| 366 |
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| 367 | /* |
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| 368 |
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| 369 | */
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| 370 |
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| 371 | /*
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| 372 | =============================================================================
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| 373 | wwins() -- display all waveshape editor windows
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| 374 | =============================================================================
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| 375 | */
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| 376 |
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| 377 | wwins()
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| 378 | {
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| 379 | register short i;
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| 380 |
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| 381 | for (i = 0; i < 6; i++)
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| 382 | wdswin(i);
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| 383 | }
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| 384 |
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| 385 | /*
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| 386 | =============================================================================
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| 387 | wdpoint() -- plot a point for the lseg function
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| 388 | =============================================================================
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| 389 | */
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| 390 |
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| 391 | short
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| 392 | wdpoint(x, y, pen)
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| 393 | short x, y, pen;
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| 394 | {
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| 395 | if (v_regs[5] & 0x0180)
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| 396 | vbank(0);
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| 397 |
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| 398 | vputp(wdoct, x, y, pen);
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| 399 | }
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| 400 |
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| 401 | /* |
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| 402 |
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| 403 | */
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| 404 |
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| 405 | /*
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| 406 | =============================================================================
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| 407 | wdbord() -- draw the border for the waveshape display
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| 408 | =============================================================================
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| 409 | */
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| 410 |
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| 411 | wdbord()
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| 412 | {
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| 413 | point = wdpoint;
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| 414 |
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| 415 | lseg( 0, 0, 511, 0, WBORD); /* outer border */
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| 416 | lseg(511, 0, 511, 349, WBORD);
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| 417 | lseg(511, 349, 0, 349, WBORD);
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| 418 | lseg( 0, 349, 0, 0, WBORD);
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| 419 |
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| 420 | lseg( 0, 308, 511, 308, WBORD); /* windows - H lines */
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| 421 | lseg(511, 321, 0, 321, WBORD);
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| 422 |
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| 423 | lseg(175, 322, 175, 349, WBORD); /* windows - V lines */
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| 424 | lseg(231, 322, 231, 349, WBORD);
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| 425 | lseg(399, 322, 399, 349, WBORD);
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| 426 | }
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| 427 |
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| 428 | /* |
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| 429 |
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| 430 | */
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| 431 |
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| 432 | /*
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| 433 | =============================================================================
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| 434 | clrws() -- initialize waveshape to null values
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| 435 | =============================================================================
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| 436 | */
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| 437 |
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| 438 | clrws()
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| 439 | {
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| 440 | register struct instdef *ip;
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| 441 |
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| 442 | ip = &vbufs[curvce];
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| 443 |
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| 444 | if (curwslt) {
|
|---|
| 445 |
|
|---|
| 446 | memsetw(ip->idhwvbh, 0, NUMHARM);
|
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| 447 | memsetw(ip->idhwvbo, 0, NUMWPNT);
|
|---|
| 448 | memsetw(ip->idhwvbf, 0, NUMWPNT);
|
|---|
| 449 |
|
|---|
| 450 | } else {
|
|---|
| 451 |
|
|---|
| 452 | memsetw(ip->idhwvah, 0, NUMHARM);
|
|---|
| 453 | memsetw(ip->idhwvao, 0, NUMWPNT);
|
|---|
| 454 | memsetw(ip->idhwvaf, 0, NUMWPNT);
|
|---|
| 455 | }
|
|---|
| 456 |
|
|---|
| 457 | clrwsa();
|
|---|
| 458 |
|
|---|
| 459 | lstwpnt = wplast = curwpnt;
|
|---|
| 460 |
|
|---|
| 461 | lstwoff = wvlast = curwfnl = curwoff = 0;
|
|---|
| 462 |
|
|---|
| 463 | curwhrv = 0;
|
|---|
| 464 |
|
|---|
| 465 | updfpu(); /* update the FPU */
|
|---|
| 466 | wsnmod[curvce][curwslt] = TRUE; /* tag WS as modified */
|
|---|
| 467 | }
|
|---|
| 468 |
|
|---|
| 469 | /* |
|---|
| 470 |
|
|---|
| 471 | */
|
|---|
| 472 |
|
|---|
| 473 | /*
|
|---|
| 474 | =============================================================================
|
|---|
| 475 | iniwslb() -- initialize waveshape library
|
|---|
| 476 | =============================================================================
|
|---|
| 477 | */
|
|---|
| 478 |
|
|---|
| 479 | iniwslb()
|
|---|
| 480 | {
|
|---|
| 481 | register short i, j;
|
|---|
| 482 |
|
|---|
| 483 | memsetw(wsnmod, FALSE, (sizeof wsnmod) / 2);
|
|---|
| 484 |
|
|---|
| 485 | for (i = 0; i < NUMWAVS; i++) {
|
|---|
| 486 |
|
|---|
| 487 | for (j = 0; j < NUMWPNT; j++) {
|
|---|
| 488 |
|
|---|
| 489 | wslib[i].final[j] = ((j + 1) << 8) ^ 0x8000;
|
|---|
| 490 | wslib[i].offset[j] = ((j + 1) << 8) ^ 0x8000;
|
|---|
| 491 | }
|
|---|
| 492 |
|
|---|
| 493 | memsetw(wslib[i].harmon, 0, NUMHARM); /* zero harmonics */
|
|---|
| 494 | }
|
|---|
| 495 | }
|
|---|
| 496 |
|
|---|
| 497 | /* |
|---|
| 498 |
|
|---|
| 499 | */
|
|---|
| 500 |
|
|---|
| 501 | /*
|
|---|
| 502 | =============================================================================
|
|---|
| 503 | wsdsp() -- put up the waveshape display
|
|---|
| 504 | =============================================================================
|
|---|
| 505 | */
|
|---|
| 506 |
|
|---|
| 507 | wsdsp()
|
|---|
| 508 | {
|
|---|
| 509 | waveob = &v_score[0]; /* setup object pointer */
|
|---|
| 510 | obj0 = &v_curs0[0]; /* setup cursor object pointer */
|
|---|
| 511 | wdoct = &v_obtab[WAVEOBJ]; /* setup object control table pointer */
|
|---|
| 512 |
|
|---|
| 513 | wpntsv = 0; /* point selection state = unselected */
|
|---|
| 514 | newws(); /* set editing variables */
|
|---|
| 515 |
|
|---|
| 516 | dswap(); /* initialize display */
|
|---|
| 517 |
|
|---|
| 518 | if (v_regs[5] & 0x0180)
|
|---|
| 519 | vbank(0);
|
|---|
| 520 |
|
|---|
| 521 | memsetw(waveob, 0, 32767);
|
|---|
| 522 | memsetw(waveob+32767L, 0, 12033);
|
|---|
| 523 |
|
|---|
| 524 | SetObj(WAVEOBJ, 0, 0, waveob, 512, 350, 0, 0, WAVEFL, -1);
|
|---|
| 525 | SetObj( 0, 0, 1, obj0, 16, 16, WCURX, WCURY, OBFL_00, -1);
|
|---|
| 526 |
|
|---|
| 527 | arcurs(WDCURS); /* setup arrow cursor object */
|
|---|
| 528 | itcini(WDCURS); /* setup text cursor object */
|
|---|
| 529 |
|
|---|
| 530 | wdbord(); /* draw the border */
|
|---|
| 531 | wwins();
|
|---|
| 532 |
|
|---|
| 533 | SetPri(WAVEOBJ, WAVEPRI);
|
|---|
| 534 | SetPri(0, GCPRI);
|
|---|
| 535 | setgc(WCURX, WCURY); /* display the graphic cursor */
|
|---|
| 536 |
|
|---|
| 537 | vsndpal(wavpal); /* send the palette */
|
|---|
| 538 | }
|
|---|
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