[f40a309] | 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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[6262b5c] | 8 | #include "all.h"
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[e225e77] | 9 |
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[f40a309] | 10 | /* things defined elsewhere */
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| 11 |
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[7258c6a] | 12 | extern uint16_t exp_c(uint16_t c);
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[f40a309] | 13 |
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[7258c6a] | 14 | extern void (*point)(int16_t x, int16_t y, int16_t pen);
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[f40a309] | 15 |
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[7258c6a] | 16 | extern uint16_t *obj0;
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[f40a309] | 17 |
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[7258c6a] | 18 | extern int8_t bfs[];
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[f40a309] | 19 |
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[7258c6a] | 20 | extern int8_t *wdbxlb0[];
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| 21 | extern int8_t *wdbxlb1[];
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[f40a309] | 22 |
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[7258c6a] | 23 | extern int16_t wdbox[][8];
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[f40a309] | 24 |
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| 25 | extern struct instdef vbufs[];
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| 26 |
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| 27 | /* |
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| 28 |
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| 29 | */
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[7258c6a] | 30 |
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| 31 | extern int16_t curinst;
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| 32 | extern int16_t curvce;
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| 33 | extern int16_t curwave; /* current waveshape library slot */
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| 34 | extern int16_t curwdth; /* current waveshape cursor width */
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| 35 | extern int16_t curwfnl; /* current waveshape final value */
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| 36 | extern int16_t curwhrm; /* current waveshape harmonic number */
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| 37 | extern int16_t curwhrv; /* current waveshape harmonic value */
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| 38 | extern int16_t curwpnt; /* current waveshape point number */
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| 39 | extern int16_t curwoff; /* current waveshape offset value */
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| 40 | extern int16_t curwslt; /* current waveshape instrument slot */
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| 41 | extern int16_t cxval;
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| 42 | extern int16_t cyval;
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| 43 | extern int16_t lstwoff;
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| 44 | extern int16_t lstwpnt;
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| 45 | extern int16_t stccol;
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| 46 | extern int16_t stcrow;
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| 47 | extern int16_t wpntsv; /* waveshape point selection state variable */
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| 48 | extern int16_t wplast;
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| 49 | extern int16_t wvlast;
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| 50 |
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| 51 | extern int16_t vmtab[NUMHARM]; /* harmonic table */
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| 52 | extern int16_t wsbuf[NUMWPCAL]; /* waveshape generation buffer */
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| 53 |
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| 54 | extern int32_t vknm[NUMHARM][NUMWPCAL]; /* scaled harmonics */
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| 55 |
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| 56 | extern uint16_t *waveob; /* waveshape display object pointer */
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| 57 |
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[f40a309] | 58 | extern int16_t wsnmod[12][2]; /* waveshape number or data modified */
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| 59 |
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| 60 | extern struct wstbl wslib[NUMWAVS]; /* waveshape library */
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| 61 |
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| 62 | extern struct octent *wdoct; /* object control table pointer */
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| 63 |
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| 64 | /* forward references */
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[7258c6a] | 65 |
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[f40a309] | 66 | void wdpoint(int16_t x, int16_t y, int16_t pen);
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[e225e77] | 67 |
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| 68 | extern void arcurs(uint16_t icolor);
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| 69 | extern void clrwsa(void);
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| 70 | extern void dswap(void);
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| 71 | extern void itcini(uint16_t color);
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| 72 | extern void itcpos(int16_t row, int16_t col);
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| 73 | extern void newws(void);
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| 74 | extern void setgc(int16_t xv, int16_t yv);
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| 75 | extern void updfpu(void);
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| 76 | extern void vsndpal(int16_t pp[16][3]);
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[f40a309] | 77 |
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| 78 | /* |
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| 79 |
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[7258c6a] | 80 | */
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[f40a309] | 81 |
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| 82 | int16_t wavpal[16][3] = { /* waveshape display color palette */
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| 83 |
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| 84 | {0, 0, 0}, /* 0 */
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| 85 | {3, 3, 3}, /* 1 */
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| 86 | {2, 2, 2}, /* 2 */
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| 87 | {0, 1, 1}, /* 3 (was 0, 1, 0) */
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| 88 | {1, 0, 1}, /* 4 */
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| 89 | {0, 1, 1}, /* 5 (was 0, 1, 0) */
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| 90 | {2, 1, 2}, /* 6 */
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| 91 | {0, 3, 0}, /* 7 */
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| 92 | {2, 0, 0}, /* 8 */
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| 93 | {2, 0, 2}, /* 9 */
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| 94 | {0, 0, 0}, /* 10 */
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| 95 | {2, 3, 3}, /* 11 */
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| 96 | {3, 3, 0}, /* 12 */
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| 97 | {3, 0, 0}, /* 13 */
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| 98 | {0, 0, 1}, /* 14 (was 0, 0, 2) */
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| 99 | {0, 0, 3} /* 15 */
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| 100 | };
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| 101 |
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| 102 | /* |
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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 | advwcur() -- advance the waveshape display text cursor
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[0580615] | 109 | =============================================================================
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[f40a309] | 110 | */
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[7258c6a] | 111 |
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[f40a309] | 112 | void advwcur(void)
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| 113 | {
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| 114 | register int16_t newcol;
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| 115 |
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| 116 | newcol = stccol + 1;
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| 117 |
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| 118 | if (newcol LE cfetp->frcol)
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| 119 | itcpos(stcrow, newcol);
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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 | */
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| 125 |
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| 126 | /*
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| 127 | =============================================================================
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[7258c6a] | 128 | hdraw(h) -- draw harmonic 'h' for the current waveshape
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[f40a309] | 129 | =============================================================================
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[7258c6a] | 130 | */
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[f40a309] | 131 |
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| 132 | void hdraw(int16_t *hv, int16_t h)
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| 133 | {
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| 134 | register int16_t bc, bx, by, j;
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| 135 |
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| 136 | bx = (h << 4) + 4;
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| 137 |
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| 138 | if (hv[h] < 0) {
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| 139 |
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| 140 | by = WBOFF - ((-hv[h] * WBSF1) / WBSF2);
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| 141 | bc = WBCN;
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| 142 |
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| 143 | } else {
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| 144 |
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| 145 | by = WBOFF - ((hv[h] * WBSF1) / WBSF2);
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| 146 | bc = WBCP;
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| 147 | }
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| 148 |
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| 149 | for (j = 0; j < 8; j++) {
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| 150 |
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| 151 | lseg(bx, WBOFF, bx, by, bc);
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| 152 | ++bx;
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| 153 | }
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| 154 | }
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| 155 |
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| 156 | /* |
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| 157 |
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| 158 | */
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| 159 |
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| 160 | /*
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[7258c6a] | 161 | =============================================================================
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[f40a309] | 162 | dsws() -- display the current waveshape
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| 163 | =============================================================================
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[7258c6a] | 164 | */
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| 165 |
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| 166 | void dsws(int16_t how)
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[f40a309] | 167 | {
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| 168 | register struct instdef *ip;
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| 169 | register int16_t *fv, *hv, *ov;
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| 170 | register int16_t i;
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| 171 | int16_t cx;
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| 172 |
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| 173 | cx = exp_c(wdbox[0][0]);
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| 174 |
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| 175 | ip = &vbufs[curvce];
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| 176 | fv = curwslt ? &ip->idhwvbf : &ip->idhwvaf;
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| 177 | ov = curwslt ? &ip->idhwvbo : &ip->idhwvao;
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| 178 | hv = curwslt ? &ip->idhwvbh : &ip->idhwvah;
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| 179 |
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| 180 | point = wdpoint;
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| 181 |
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| 182 | if (v_regs[5] & 0x0180)
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| 183 | vbank(0);
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| 184 |
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| 185 | if (how)
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| 186 | vbfill4(waveob, 128, wdbox[0][0], wdbox[0][1],
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| 187 | wdbox[0][2], wdbox[0][3], cx);
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| 188 |
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| 189 | lseg(1, 133, 510, 133, WZBC); /* draw the zero line and ... */
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| 190 | lseg(1, (WPOFF << 1), 510, (WPOFF << 1), WZBC); /* ... bottom limit */
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| 191 |
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| 192 | for (i = 0; i < NUMHARM; i++) /* draw the harmonics */
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| 193 | hdraw(hv, i);
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| 194 |
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| 195 | for (i = 0; i < NUMWPNT; i++) { /* draw the values */
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| 196 |
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| 197 | /* offset values */
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| 198 |
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| 199 | wdpoint(((2 * i) + 2),
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| 200 | (WPOFF - (((ov[i] >> 5) * WPSF1) / WPSF2)), WOVC);
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| 201 |
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| 202 | /* final values */
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| 203 |
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| 204 | wdpoint(((2 * i) + 2),
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| 205 | (WPOFF - (((fv[i] >> 5) * WPSF1) / WPSF2)), WFVC);
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| 206 | }
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| 207 | }
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| 208 |
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| 209 | /* |
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| 210 |
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| 211 | */
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| 212 |
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[7258c6a] | 213 | /*
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[f40a309] | 214 | =============================================================================
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[7258c6a] | 215 | wdswin() -- display a window
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| 216 | =============================================================================
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[f40a309] | 217 | */
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| 218 |
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| 219 | void wdswin(int16_t n)
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| 220 | {
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| 221 | register int16_t cx, wval;
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| 222 | register int8_t wsgn;
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| 223 |
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| 224 | cx = wdbox[n][5];
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| 225 | cx |= cx << 4;
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| 226 | cx |= cx << 8;
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| 227 |
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| 228 | /* first, fill the box with the background color */
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| 229 |
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| 230 | if (v_regs[5] & 0x0180)
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| 231 | vbank(0);
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| 232 |
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| 233 | vbfill4(waveob, 128, wdbox[n][0], wdbox[n][1], wdbox[n][2],
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| 234 | wdbox[n][3], cx);
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| 235 |
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| 236 | /* put in the box label */
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| 237 |
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| 238 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6], wdbox[n][7],
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| 239 | wdbxlb0[n], 14);
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| 240 |
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| 241 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1, wdbox[n][7],
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| 242 | wdbxlb1[n], 14);
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| 243 |
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| 244 | /* |
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| 245 |
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| 246 | */
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| 247 | switch (n) { /* final text - overlays above stuff */
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| 248 |
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| 249 | case 0: /* points and bars */
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| 250 |
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| 251 | dsws(0);
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| 252 | return;
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| 253 |
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| 254 | case 2: /* waveshape - voice - instrument - slot */
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| 255 |
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| 256 | sprintf(bfs, "%02d", curwave + 1);
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| 257 | tsplot4(waveob, 64,
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| 258 | exp_c(wsnmod[curvce][curwslt] ? WS_CHGC : wdbox[n][4]),
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| 259 | wdbox[n][6], wdbox[n][7] + WAVE_OFF, bfs, 14);
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| 260 |
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| 261 | sprintf(bfs, "%02d", curvce + 1);
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| 262 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6],
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| 263 | wdbox[n][7] + WVCE_OFF, bfs, 14);
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| 264 |
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| 265 | sprintf(bfs, "%02d", curinst);
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| 266 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1,
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| 267 | wdbox[n][7] + WINS_OFF, bfs, 14);
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| 268 |
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| 269 | sprintf(bfs, "%c", curwslt + 'A');
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| 270 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1,
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| 271 | wdbox[n][7] + WSLT_OFF, bfs, 14);
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| 272 |
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| 273 | return;
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| 274 |
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| 275 | /* |
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| 276 |
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| 277 | */
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| 278 | case 4: /* point - offset - width - final */
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| 279 |
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| 280 | sprintf(bfs, "%03d", curwpnt);
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| 281 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6],
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| 282 | wdbox[n][7] + WPNT_OFF, bfs, 14);
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| 283 |
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| 284 | if (curwoff < 0) {
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| 285 |
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| 286 | wval = - curwoff;
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| 287 | wsgn = '-';
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| 288 |
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| 289 | } else {
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| 290 |
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| 291 | wval = curwoff;
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| 292 | wsgn = '+';
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| 293 | }
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| 294 |
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| 295 | sprintf(bfs, "%c%04d", wsgn, wval);
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| 296 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6],
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| 297 | wdbox[n][7] + WOFF_OFF, bfs, 14);
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| 298 |
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| 299 | if (curwdth EQ NUMWIDS) {
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| 300 |
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| 301 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1,
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| 302 | wdbox[n][7], "Interp", 14);
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| 303 |
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| 304 | } else {
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| 305 |
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| 306 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1,
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| 307 | wdbox[n][7], "Width", 14);
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| 308 |
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| 309 | sprintf(bfs, "%01d", curwdth);
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| 310 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1,
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| 311 | wdbox[n][7] + WDTH_OFF, bfs, 14);
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| 312 | }
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| 313 |
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| 314 | if (curwfnl < 0) {
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| 315 |
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| 316 | wval = - curwfnl;
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| 317 | wsgn = '-';
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| 318 |
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| 319 | } else {
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| 320 |
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| 321 | wval = curwfnl;
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| 322 | wsgn = '+';
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| 323 | }
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| 324 |
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| 325 | sprintf(bfs, "%c%04d", wsgn, wval);
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| 326 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1,
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| 327 | wdbox[n][7] + WFNL_OFF, bfs, 14);
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| 328 |
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| 329 | return;
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| 330 | /* |
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| 331 |
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| 332 | */
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| 333 | case 5: /* harmonic - value */
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| 334 |
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| 335 | sprintf(bfs, "%02d", curwhrm + 1);
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| 336 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6],
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| 337 | wdbox[n][7] + WHRM_OFF, bfs, 14);
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| 338 |
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| 339 | if (curwhrv < 0) {
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| 340 |
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| 341 | wval = - curwhrv;
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| 342 | wsgn = '-';
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| 343 |
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| 344 | } else {
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| 345 |
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| 346 | wval = curwhrv;
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| 347 | wsgn = '+';
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| 348 | }
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| 349 |
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| 350 | sprintf(bfs, "%c%03d", wsgn, wval);
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| 351 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1,
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| 352 | wdbox[n][7] + WHRV_OFF, bfs, 14);
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| 353 |
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| 354 | return;
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| 355 |
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| 356 | }
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| 357 | }
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| 358 |
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[0580615] | 359 | /* |
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[f40a309] | 360 |
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[7258c6a] | 361 | */
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[f40a309] | 362 |
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| 363 | /*
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| 364 | =============================================================================
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| 365 | wwins() -- display all waveshape editor windows
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| 366 | =============================================================================
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| 367 | */
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| 368 |
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| 369 | void wwins(void)
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| 370 | {
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| 371 | register int16_t i;
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| 372 |
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[7258c6a] | 373 | for (i = 0; i < 6; i++)
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[f40a309] | 374 | wdswin(i);
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| 375 | }
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| 376 |
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| 377 | /*
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| 378 | =============================================================================
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| 379 | wdpoint() -- plot a point for the lseg function
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| 380 | =============================================================================
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| 381 | */
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| 382 |
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| 383 | void wdpoint(int16_t x, int16_t y, int16_t pen)
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| 384 | {
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| 385 | if (v_regs[5] & 0x0180)
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| 386 | vbank(0);
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| 387 |
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| 388 | vputp(wdoct, x, y, pen);
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| 389 | }
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[0580615] | 390 |
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[f40a309] | 391 | /* |
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| 392 |
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| 393 | */
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| 394 |
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| 395 | /*
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| 396 | =============================================================================
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| 397 | wdbord() -- draw the border for the waveshape display
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| 398 | =============================================================================
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| 399 | */
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| 400 |
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| 401 | void wdbord(void)
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| 402 | {
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| 403 | point = wdpoint;
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| 404 |
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| 405 | lseg( 0, 0, 511, 0, WBORD); /* outer border */
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| 406 | lseg(511, 0, 511, 349, WBORD);
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| 407 | lseg(511, 349, 0, 349, WBORD);
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| 408 | lseg( 0, 349, 0, 0, WBORD);
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| 409 |
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| 410 | lseg( 0, 308, 511, 308, WBORD); /* windows - H lines */
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| 411 | lseg(511, 321, 0, 321, WBORD);
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| 412 |
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| 413 | lseg(175, 322, 175, 349, WBORD); /* windows - V lines */
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| 414 | lseg(231, 322, 231, 349, WBORD);
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| 415 | lseg(399, 322, 399, 349, WBORD);
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[0580615] | 416 | }
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[f40a309] | 417 |
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| 418 | /* |
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| 419 |
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| 420 | */
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| 421 |
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| 422 | /*
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| 423 | =============================================================================
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| 424 | clrws() -- initialize waveshape to null values
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| 425 | =============================================================================
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| 426 | */
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| 427 |
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| 428 | void clrws(void)
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| 429 | {
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| 430 | register struct instdef *ip;
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| 431 |
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| 432 | ip = &vbufs[curvce];
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| 433 |
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| 434 | if (curwslt) {
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| 435 |
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| 436 | memsetw(ip->idhwvbh, 0, NUMHARM);
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| 437 | memsetw(ip->idhwvbo, 0, NUMWPNT);
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| 438 | memsetw(ip->idhwvbf, 0, NUMWPNT);
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| 439 |
|
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| 440 | } else {
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| 441 |
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| 442 | memsetw(ip->idhwvah, 0, NUMHARM);
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| 443 | memsetw(ip->idhwvao, 0, NUMWPNT);
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| 444 | memsetw(ip->idhwvaf, 0, NUMWPNT);
|
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| 445 | }
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| 446 |
|
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| 447 | clrwsa();
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| 448 |
|
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| 449 | lstwpnt = wplast = curwpnt;
|
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| 450 |
|
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| 451 | lstwoff = wvlast = curwfnl = curwoff = 0;
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| 452 |
|
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| 453 | curwhrv = 0;
|
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| 454 |
|
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| 455 | updfpu(); /* update the FPU */
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[0580615] | 456 | wsnmod[curvce][curwslt] = TRUE; /* tag WS as modified */
|
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[f40a309] | 457 | }
|
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[7258c6a] | 458 |
|
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[f40a309] | 459 | /* |
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| 460 |
|
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| 461 | */
|
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| 462 |
|
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| 463 | /*
|
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| 464 | =============================================================================
|
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| 465 | iniwslb() -- initialize waveshape library
|
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| 466 | =============================================================================
|
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| 467 | */
|
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| 468 |
|
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| 469 | void iniwslb(void)
|
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| 470 | {
|
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| 471 | register int16_t i, j;
|
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| 472 |
|
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[9519422] | 473 | memsetw(wsnmod, FALSE, (sizeof wsnmod) / 2);
|
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[f40a309] | 474 |
|
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| 475 | for (i = 0; i < NUMWAVS; i++) {
|
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| 476 |
|
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| 477 | for (j = 0; j < NUMWPNT; j++) {
|
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| 478 |
|
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| 479 | wslib[i].final[j] = ((j + 1) << 8) ^ 0x8000;
|
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| 480 | wslib[i].offset[j] = ((j + 1) << 8) ^ 0x8000;
|
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| 481 | }
|
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| 482 |
|
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[0580615] | 483 | memsetw(wslib[i].harmon, 0, NUMHARM); /* zero harmonics */
|
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[f40a309] | 484 | }
|
---|
| 485 | }
|
---|
| 486 |
|
---|
| 487 | /* |
---|
| 488 |
|
---|
| 489 | */
|
---|
| 490 |
|
---|
| 491 | /*
|
---|
| 492 | =============================================================================
|
---|
| 493 | wsdsp() -- put up the waveshape display
|
---|
| 494 | =============================================================================
|
---|
| 495 | */
|
---|
| 496 |
|
---|
| 497 | void wsdsp(void)
|
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| 498 | {
|
---|
| 499 | waveob = &v_score[0]; /* setup object pointer */
|
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| 500 | obj0 = &v_curs0[0]; /* setup cursor object pointer */
|
---|
| 501 | wdoct = &v_obtab[WAVEOBJ]; /* setup object control table pointer */
|
---|
| 502 |
|
---|
| 503 | wpntsv = 0; /* point selection state = unselected */
|
---|
| 504 | newws(); /* set editing variables */
|
---|
| 505 |
|
---|
| 506 | dswap(); /* initialize display */
|
---|
| 507 |
|
---|
| 508 | if (v_regs[5] & 0x0180)
|
---|
| 509 | vbank(0);
|
---|
| 510 |
|
---|
| 511 | memsetw(waveob, 0, 32767);
|
---|
| 512 | memsetw(waveob+32767L, 0, 12033);
|
---|
| 513 |
|
---|
| 514 | SetObj(WAVEOBJ, 0, 0, waveob, 512, 350, 0, 0, WAVEFL, -1);
|
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[6262b5c] | 515 | SetObj( 0, 0, 1, obj0, 16, 16, WCURX, WCURY, OBFL_00, -1);
|
---|
| 516 |
|
---|
| 517 | arcurs(WDCURS); /* setup arrow cursor object */
|
---|
| 518 | itcini(WDCURS); /* setup text cursor object */
|
---|
| 519 |
|
---|
| 520 | wdbord(); /* draw the border */
|
---|
| 521 | wwins();
|
---|
| 522 |
|
---|
| 523 | SetPri(WAVEOBJ, WAVEPRI);
|
---|
| 524 | SetPri(0, GCPRI);
|
---|
| 525 | setgc(WCURX, WCURY); /* display the graphic cursor */
|
---|
| 526 |
|
---|
| 527 | vsndpal(wavpal); /* send the palette */
|
---|
| 528 | }
|
---|
| 529 |
|
---|