[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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[b28a12e] | 8 | #include "ram.h"
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[f40a309] | 9 |
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[7258c6a] | 10 | int16_t wavpal[16][3] = { /* waveshape display color palette */
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[f40a309] | 11 |
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| 12 | {0, 0, 0}, /* 0 */
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| 13 | {3, 3, 3}, /* 1 */
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| 14 | {2, 2, 2}, /* 2 */
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| 15 | {0, 1, 1}, /* 3 (was 0, 1, 0) */
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| 16 | {1, 0, 1}, /* 4 */
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| 17 | {0, 1, 1}, /* 5 (was 0, 1, 0) */
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| 18 | {2, 1, 2}, /* 6 */
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| 19 | {0, 3, 0}, /* 7 */
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| 20 | {2, 0, 0}, /* 8 */
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| 21 | {2, 0, 2}, /* 9 */
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| 22 | {0, 0, 0}, /* 10 */
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| 23 | {2, 3, 3}, /* 11 */
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| 24 | {3, 3, 0}, /* 12 */
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| 25 | {3, 0, 0}, /* 13 */
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| 26 | {0, 0, 1}, /* 14 (was 0, 0, 2) */
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| 27 | {0, 0, 3} /* 15 */
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| 28 | };
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| 29 |
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| 30 | /* |
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| 31 |
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| 32 | */
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| 33 |
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| 34 | /*
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| 35 | =============================================================================
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| 36 | advwcur() -- advance the waveshape display text cursor
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| 37 | =============================================================================
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| 38 | */
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[0580615] | 39 |
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[f40a309] | 40 | void advwcur(void)
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[7258c6a] | 41 | {
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[f40a309] | 42 | register int16_t newcol;
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| 43 |
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| 44 | newcol = stccol + 1;
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| 45 |
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| 46 | if (newcol LE cfetp->frcol)
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| 47 | itcpos(stcrow, newcol);
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| 48 | }
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| 49 |
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| 50 | /* |
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| 51 |
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| 52 | */
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| 53 |
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| 54 | /*
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| 55 | =============================================================================
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| 56 | hdraw(h) -- draw harmonic 'h' for the current waveshape
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| 57 | =============================================================================
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[7258c6a] | 58 | */
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[f40a309] | 59 |
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[7258c6a] | 60 | void hdraw(int16_t *hv, int16_t h)
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[f40a309] | 61 | {
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| 62 | register int16_t bc, bx, by, j;
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| 63 |
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| 64 | bx = (h << 4) + 4;
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| 65 |
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| 66 | if (hv[h] < 0) {
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| 67 |
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| 68 | by = WBOFF - ((-hv[h] * WBSF1) / WBSF2);
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| 69 | bc = WBCN;
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| 70 |
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| 71 | } else {
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| 72 |
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| 73 | by = WBOFF - ((hv[h] * WBSF1) / WBSF2);
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| 74 | bc = WBCP;
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| 75 | }
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| 76 |
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| 77 | for (j = 0; j < 8; j++) {
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| 78 |
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| 79 | lseg(bx, WBOFF, bx, by, bc);
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| 80 | ++bx;
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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 | */
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| 87 |
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| 88 | /*
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| 89 | =============================================================================
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| 90 | dsws() -- display the current waveshape
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[7258c6a] | 91 | =============================================================================
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[f40a309] | 92 | */
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| 93 |
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[7258c6a] | 94 | void dsws(int16_t how)
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| 95 | {
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| 96 | register struct instdef *ip;
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[f40a309] | 97 | register int16_t *fv, *hv, *ov;
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| 98 | register int16_t i;
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| 99 | int16_t cx;
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| 100 |
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| 101 | cx = exp_c(wdbox[0][0]);
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| 102 |
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| 103 | ip = &vbufs[curvce];
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| 104 | fv = curwslt ? &ip->idhwvbf : &ip->idhwvaf;
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| 105 | ov = curwslt ? &ip->idhwvbo : &ip->idhwvao;
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| 106 | hv = curwslt ? &ip->idhwvbh : &ip->idhwvah;
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| 107 |
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| 108 | point = wdpoint;
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| 109 |
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| 110 | if (v_regs[5] & 0x0180)
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| 111 | vbank(0);
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| 112 |
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| 113 | if (how)
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| 114 | vbfill4(waveob, 128, wdbox[0][0], wdbox[0][1],
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| 115 | wdbox[0][2], wdbox[0][3], cx);
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| 116 |
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| 117 | lseg(1, 133, 510, 133, WZBC); /* draw the zero line and ... */
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| 118 | lseg(1, (WPOFF << 1), 510, (WPOFF << 1), WZBC); /* ... bottom limit */
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| 119 |
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| 120 | for (i = 0; i < NUMHARM; i++) /* draw the harmonics */
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| 121 | hdraw(hv, i);
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| 122 |
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| 123 | for (i = 0; i < NUMWPNT; i++) { /* draw the values */
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| 124 |
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| 125 | /* offset values */
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| 126 |
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| 127 | wdpoint(((2 * i) + 2),
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| 128 | (WPOFF - (((ov[i] >> 5) * WPSF1) / WPSF2)), WOVC);
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| 129 |
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| 130 | /* final values */
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| 131 |
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| 132 | wdpoint(((2 * i) + 2),
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| 133 | (WPOFF - (((fv[i] >> 5) * WPSF1) / WPSF2)), WFVC);
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| 134 | }
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| 135 | }
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| 136 |
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| 137 | /* |
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| 138 |
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| 139 | */
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| 140 |
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| 141 | /*
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| 142 | =============================================================================
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[7258c6a] | 143 | wdswin() -- display a window
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[f40a309] | 144 | =============================================================================
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[7258c6a] | 145 | */
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| 146 |
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[f40a309] | 147 | void wdswin(int16_t n)
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| 148 | {
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| 149 | register int16_t cx, wval;
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| 150 | register int8_t wsgn;
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| 151 |
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| 152 | cx = wdbox[n][5];
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| 153 | cx |= cx << 4;
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| 154 | cx |= cx << 8;
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| 155 |
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| 156 | /* first, fill the box with the background color */
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| 157 |
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| 158 | if (v_regs[5] & 0x0180)
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| 159 | vbank(0);
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| 160 |
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| 161 | vbfill4(waveob, 128, wdbox[n][0], wdbox[n][1], wdbox[n][2],
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| 162 | wdbox[n][3], cx);
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| 163 |
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| 164 | /* put in the box label */
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| 165 |
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| 166 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6], wdbox[n][7],
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| 167 | wdbxlb0[n], 14);
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| 168 |
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| 169 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1, wdbox[n][7],
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| 170 | wdbxlb1[n], 14);
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| 171 |
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| 172 | /* |
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| 173 |
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| 174 | */
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| 175 | switch (n) { /* final text - overlays above stuff */
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| 176 |
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| 177 | case 0: /* points and bars */
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| 178 |
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| 179 | dsws(0);
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| 180 | return;
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| 181 |
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| 182 | case 2: /* waveshape - voice - instrument - slot */
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| 183 |
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| 184 | sprintf(bfs, "%02d", curwave + 1);
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| 185 | tsplot4(waveob, 64,
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| 186 | exp_c(wsnmod[curvce][curwslt] ? WS_CHGC : wdbox[n][4]),
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| 187 | wdbox[n][6], wdbox[n][7] + WAVE_OFF, bfs, 14);
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| 188 |
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| 189 | sprintf(bfs, "%02d", curvce + 1);
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| 190 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6],
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| 191 | wdbox[n][7] + WVCE_OFF, bfs, 14);
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| 192 |
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| 193 | sprintf(bfs, "%02d", curinst);
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| 194 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1,
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| 195 | wdbox[n][7] + WINS_OFF, bfs, 14);
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| 196 |
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| 197 | sprintf(bfs, "%c", curwslt + 'A');
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| 198 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1,
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| 199 | wdbox[n][7] + WSLT_OFF, bfs, 14);
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| 200 |
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| 201 | return;
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| 202 |
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| 203 | /* |
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| 204 |
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| 205 | */
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| 206 | case 4: /* point - offset - width - final */
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| 207 |
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| 208 | sprintf(bfs, "%03d", curwpnt);
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| 209 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6],
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| 210 | wdbox[n][7] + WPNT_OFF, bfs, 14);
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| 211 |
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| 212 | if (curwoff < 0) {
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| 213 |
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| 214 | wval = - curwoff;
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| 215 | wsgn = '-';
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| 216 |
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| 217 | } else {
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| 218 |
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| 219 | wval = curwoff;
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| 220 | wsgn = '+';
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| 221 | }
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| 222 |
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| 223 | sprintf(bfs, "%c%04d", wsgn, wval);
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| 224 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6],
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| 225 | wdbox[n][7] + WOFF_OFF, bfs, 14);
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| 226 |
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| 227 | if (curwdth EQ NUMWIDS) {
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| 228 |
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| 229 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1,
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| 230 | wdbox[n][7], "Interp", 14);
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| 231 |
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| 232 | } else {
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| 233 |
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| 234 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1,
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| 235 | wdbox[n][7], "Width", 14);
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| 236 |
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| 237 | sprintf(bfs, "%01d", curwdth);
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| 238 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1,
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| 239 | wdbox[n][7] + WDTH_OFF, bfs, 14);
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| 240 | }
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| 241 |
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| 242 | if (curwfnl < 0) {
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| 243 |
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| 244 | wval = - curwfnl;
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| 245 | wsgn = '-';
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| 246 |
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| 247 | } else {
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| 248 |
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| 249 | wval = curwfnl;
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| 250 | wsgn = '+';
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| 251 | }
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| 252 |
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| 253 | sprintf(bfs, "%c%04d", wsgn, wval);
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| 254 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1,
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| 255 | wdbox[n][7] + WFNL_OFF, bfs, 14);
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| 256 |
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| 257 | return;
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| 258 | /* |
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| 259 |
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| 260 | */
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| 261 | case 5: /* harmonic - value */
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| 262 |
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| 263 | sprintf(bfs, "%02d", curwhrm + 1);
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| 264 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6],
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| 265 | wdbox[n][7] + WHRM_OFF, bfs, 14);
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| 266 |
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| 267 | if (curwhrv < 0) {
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| 268 |
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| 269 | wval = - curwhrv;
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| 270 | wsgn = '-';
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| 271 |
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| 272 | } else {
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| 273 |
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| 274 | wval = curwhrv;
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| 275 | wsgn = '+';
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| 276 | }
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| 277 |
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| 278 | sprintf(bfs, "%c%03d", wsgn, wval);
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| 279 | tsplot4(waveob, 64, wdbox[n][4], wdbox[n][6] + 1,
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| 280 | wdbox[n][7] + WHRV_OFF, bfs, 14);
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| 281 |
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| 282 | return;
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| 283 |
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| 284 | }
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| 285 | }
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| 286 |
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| 287 | /* |
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| 288 |
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[0580615] | 289 | */
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[f40a309] | 290 |
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[7258c6a] | 291 | /*
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[f40a309] | 292 | =============================================================================
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| 293 | wwins() -- display all waveshape editor windows
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| 294 | =============================================================================
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| 295 | */
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| 296 |
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| 297 | void wwins(void)
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| 298 | {
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| 299 | register int16_t i;
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| 300 |
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| 301 | for (i = 0; i < 6; i++)
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| 302 | wdswin(i);
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[7258c6a] | 303 | }
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[f40a309] | 304 |
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| 305 | /*
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| 306 | =============================================================================
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| 307 | wdpoint() -- plot a point for the lseg function
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| 308 | =============================================================================
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| 309 | */
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| 310 |
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| 311 | void wdpoint(int16_t x, int16_t y, int16_t pen)
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| 312 | {
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| 313 | if (v_regs[5] & 0x0180)
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| 314 | vbank(0);
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| 315 |
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| 316 | vputp(wdoct, x, y, pen);
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| 317 | }
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| 318 |
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| 319 | /* |
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[0580615] | 320 |
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[f40a309] | 321 | */
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| 322 |
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| 323 | /*
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| 324 | =============================================================================
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| 325 | wdbord() -- draw the border for the waveshape display
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| 326 | =============================================================================
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| 327 | */
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| 328 |
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| 329 | void wdbord(void)
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| 330 | {
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| 331 | point = wdpoint;
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| 332 |
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| 333 | lseg( 0, 0, 511, 0, WBORD); /* outer border */
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| 334 | lseg(511, 0, 511, 349, WBORD);
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| 335 | lseg(511, 349, 0, 349, WBORD);
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| 336 | lseg( 0, 349, 0, 0, WBORD);
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| 337 |
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| 338 | lseg( 0, 308, 511, 308, WBORD); /* windows - H lines */
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| 339 | lseg(511, 321, 0, 321, WBORD);
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| 340 |
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| 341 | lseg(175, 322, 175, 349, WBORD); /* windows - V lines */
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| 342 | lseg(231, 322, 231, 349, WBORD);
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| 343 | lseg(399, 322, 399, 349, WBORD);
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| 344 | }
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| 345 |
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[0580615] | 346 | /* |
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[f40a309] | 347 |
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| 348 | */
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| 349 |
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| 350 | /*
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| 351 | =============================================================================
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| 352 | clrws() -- initialize waveshape to null values
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| 353 | =============================================================================
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| 354 | */
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| 355 |
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| 356 | void clrws(void)
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| 357 | {
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| 358 | register struct instdef *ip;
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| 359 |
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| 360 | ip = &vbufs[curvce];
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| 361 |
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| 362 | if (curwslt) {
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| 363 |
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| 364 | memsetw(ip->idhwvbh, 0, NUMHARM);
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| 365 | memsetw(ip->idhwvbo, 0, NUMWPNT);
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| 366 | memsetw(ip->idhwvbf, 0, NUMWPNT);
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| 367 |
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| 368 | } else {
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| 369 |
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| 370 | memsetw(ip->idhwvah, 0, NUMHARM);
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| 371 | memsetw(ip->idhwvao, 0, NUMWPNT);
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| 372 | memsetw(ip->idhwvaf, 0, NUMWPNT);
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| 373 | }
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| 374 |
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| 375 | clrwsa();
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| 376 |
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| 377 | lstwpnt = wplast = curwpnt;
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| 378 |
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| 379 | lstwoff = wvlast = curwfnl = curwoff = 0;
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| 380 |
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| 381 | curwhrv = 0;
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| 382 |
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| 383 | updfpu(); /* update the FPU */
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| 384 | wsnmod[curvce][curwslt] = TRUE; /* tag WS as modified */
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| 385 | }
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[0580615] | 386 |
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[f40a309] | 387 | /* |
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[7258c6a] | 388 |
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[f40a309] | 389 | */
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| 390 |
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| 391 | /*
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| 392 | =============================================================================
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| 393 | iniwslb() -- initialize waveshape library
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| 394 | =============================================================================
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| 395 | */
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| 396 |
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| 397 | void iniwslb(void)
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| 398 | {
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| 399 | register int16_t i, j;
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| 400 |
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| 401 | memsetw(wsnmod, FALSE, (sizeof wsnmod) / 2);
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| 402 |
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[9519422] | 403 | for (i = 0; i < NUMWAVS; i++) {
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[f40a309] | 404 |
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| 405 | for (j = 0; j < NUMWPNT; j++) {
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| 406 |
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| 407 | wslib[i].final[j] = ((j + 1) << 8) ^ 0x8000;
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| 408 | wslib[i].offset[j] = ((j + 1) << 8) ^ 0x8000;
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| 409 | }
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| 410 |
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| 411 | memsetw(wslib[i].harmon, 0, NUMHARM); /* zero harmonics */
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| 412 | }
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[0580615] | 413 | }
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[f40a309] | 414 |
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| 415 | /* |
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| 416 |
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| 417 | */
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| 418 |
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| 419 | /*
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| 420 | =============================================================================
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| 421 | wsdsp() -- put up the waveshape display
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| 422 | =============================================================================
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| 423 | */
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| 424 |
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| 425 | void wsdsp(void)
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| 426 | {
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| 427 | waveob = &v_score[0]; /* setup object pointer */
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| 428 | obj0 = &v_curs0[0]; /* setup cursor object pointer */
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| 429 | wdoct = &v_obtab[WAVEOBJ]; /* setup object control table pointer */
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| 430 |
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| 431 | wpntsv = 0; /* point selection state = unselected */
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| 432 | newws(); /* set editing variables */
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| 433 |
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| 434 | dswap(); /* initialize display */
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| 435 |
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| 436 | if (v_regs[5] & 0x0180)
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| 437 | vbank(0);
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| 438 |
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| 439 | memsetw(waveob, 0, 32767);
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| 440 | memsetw(waveob+32767L, 0, 12033);
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| 441 |
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| 442 | SetObj(WAVEOBJ, 0, 0, waveob, 512, 350, 0, 0, WAVEFL, -1);
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| 443 | SetObj( 0, 0, 1, obj0, 16, 16, WCURX, WCURY, OBFL_00, -1);
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| 444 |
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[6262b5c] | 445 | arcurs(WDCURS); /* setup arrow cursor object */
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| 446 | itcini(WDCURS); /* setup text cursor object */
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| 447 |
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| 448 | wdbord(); /* draw the border */
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| 449 | wwins();
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| 450 |
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| 451 | SetPri(WAVEOBJ, WAVEPRI);
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| 452 | SetPri(0, GCPRI);
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| 453 | setgc(WCURX, WCURY); /* display the graphic cursor */
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| 454 |
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| 455 | vsndpal(wavpal); /* send the palette */
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| 456 | }
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| 457 |
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