1 | /*
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2 | =============================================================================
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3 | swinit.c -- MIDAS-VII -- more variable definitions and initializations
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4 | Version 12 -- 1988-10-12 -- D.N. Lynx Crowe
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5 | =============================================================================
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6 | */
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7 |
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8 | #define FET_DEFS 1 /* so fields.h gets things right */
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9 |
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10 | #include "ram.h"
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11 |
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12 | BOOL se_chg; /* Score free list changed flag */
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13 |
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14 | LPF (*oldsw)[]; /* saved swpt value */
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15 | LPF (*swpt)[]; /* switch dispatch table pointer */
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16 |
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17 | LPF aswtbl[14]; /* assignment switch table */
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18 |
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19 | void (*curmove)(void); /* cursor move function */
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20 | int16_t (*curtype)(void); /* cursor type function */
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21 | void (*cx_key)(void); /* x rate calculation */
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22 | void (*cx_upd)(void); /* x update */
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23 | void (*cy_key)(void); /* y rate calculation */
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24 | void (*cy_upd)(void); /* y update */
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25 | void (*d_key)(int16_t k); /* in-field data key processor */
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26 | void (*e_key)(void); /* E key processor */
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27 | void (*m_key)(void); /* M key processor */
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28 | void (*itxput)(int16_t row, int16_t col, int8_t *txt, int16_t tag);
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29 | /* instrument menu text put function */
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30 | int16_t (*not_fld)(int16_t k); /* not-in-field data key processor */
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31 | void (*olddkey)(int16_t k); /* saved d_key value */
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32 | void (*oldekey)(void); /* saved e_key value */
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33 | void (*oldmkey)(void); /* saved m_key value */
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34 | void (*oldxkey)(void); /* saved x_key value */
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35 | void (*premove)(void); /* cursor pre-move function */
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36 | void (*pstmove)(void); /* cursor post-move function */
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37 | vtcurs vt_adv; /* vtyper data cursor advance function */
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38 | vtcurs vt_bsp; /* vtyper data cursor backspace function */
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39 | vtcurs vt_cdn; /* vtyper data cursor down function */
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40 | vtcurs vt_cup; /* vtyper data cursor up function */
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41 | vtchar vt_dsp; /* vtyper display function */
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42 | vtcurs vt_stop; /* vtyper exit function */
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43 | void (*x_key)(void); /* X key processor */
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44 | void (*xy_dn)(void); /* cursor - finger on (down) */
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45 | void (*xy_up)(void); /* cursor - finger off (up) */
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46 |
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47 | int16_t *cratex; /* cursor x rate table pointer */
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48 | int16_t *cratey; /* cursor x rate table pointer */
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49 |
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50 | int16_t BotEdge; /* configuration box bottom edge */
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51 | int16_t LftEdge; /* configuration box left edge */
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52 | int16_t RgtEdge; /* configuration box right edge */
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53 | int16_t TopEdge; /* configuration box top edge */
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54 |
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55 | int16_t BarBcur[14]; /* current bottom-zero bar values */
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56 | int16_t BarCcur[14]; /* current centered-zero bar values */
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57 | int16_t BGeq[14]; /* current EQ bar settings */
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58 | int16_t BGother[14]; /* current other pot bar settings */
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59 | int16_t BGprmtr[14]; /* current parameter pot bar settings */
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60 |
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61 | int16_t articen[12]; /* voice articulation enable status */
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62 | int16_t grpdyn[12]; /* group dynamics table (0..9) */
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63 | int16_t grploc[12]; /* group location table (0..8) */
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64 | int16_t grpmode[12]; /* group mode - 0 = play, 1 = stdby, 2 = rec */
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65 | int16_t grpsel[12]; /* group select status for instrument selection */
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66 | int16_t grpstat[12]; /* group status - 0 = off, non-0 = on */
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67 | int16_t grptmap[12]; /* group map */
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68 | int16_t gtctab[12]; /* group to color table */
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69 | int16_t ins2grp[12]; /* instrument to group table (00..NINST-1) */
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70 | int16_t instmod[12]; /* intrument data modified */
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71 | int16_t key2grp[88]; /* port 1 key to group assignment table */
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72 | int16_t lastart[16]; /* last articulation values (by parameter) */
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73 | int16_t lastvce[12]; /* last voice assigned in each group */
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74 | int16_t lastvel[12]; /* last velocity sent to group */
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75 | int16_t ldmap[N_SCORES]; /* gather read map */
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76 | int16_t mctlnum[4]; /* MIDI controller number table (-1, 00..99) */
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77 | int16_t mpbend[48]; /* MIDI pitch bend data, by port and channel */
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78 | int16_t msmstv[3]; /* MIDI state machine state variables */
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79 | int16_t offsets[NUMWPCAL]; /* offsets for current waveshape */
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80 | int16_t oldtun[128]; /* previous tuning table for undo */
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81 | int16_t prstab[NTRIGS]; /* pressure */
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82 | int16_t s_inst[12]; /* instrument selections */
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83 | int16_t s_trns[12]; /* current transposition values */
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84 | int16_t swfifo[NSWFIFO]; /* scroll wheel fifo */
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85 | int16_t txfifo[NTKFIFO]; /* trackball X fifo */
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86 | int16_t tyfifo[NTKFIFO]; /* trackball Y fifo */
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87 | int16_t tuntab[128]; /* current tuning table */
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88 | int16_t vce2grp[12]; /* voice to group table (-1, 1..12)*/
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89 | int16_t vce2trg[12]; /* voice to trigger map (-1 EQ NULL) */
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90 | int16_t veltab[NTRIGS]; /* velocity */
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91 | int16_t vmtab[NUMHARM]; /* harmonics for current waveshape */
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92 | int16_t wsbuf[NUMWPCAL]; /* final values for current waveshape */
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93 |
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94 | /* |
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95 |
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96 | */
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97 |
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98 | int8_t *lmln22; /* message window line 22 */
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99 | int8_t *lmln23; /* message window line 23 */
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100 | int8_t *lmln24; /* message window line 24 */
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101 | int8_t *vtdeptr; /* virtual typewriter data entry pointer */
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102 |
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103 | int8_t *funcndx[256][2]; /* function header pointers */
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104 | int8_t *vlbptr[3]; /* variable label pointers */
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105 |
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106 | int8_t bfs[128]; /* display generation buffer */
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107 | int8_t caname[16]; /* current assignment table name */
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108 | int8_t dspbuf[65]; /* display generation buffer */
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109 | int8_t ebuf[MAXEBUF+1]; /* edit data entry buffer */
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110 | int8_t errbuf[65]; /* error message build area */
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111 | int8_t idbuf[65]; /* display format conversion work area */
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112 | int8_t keystat[24]; /* front panel key status */
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113 | int8_t ldcmnt[38]; /* comment field */
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114 | int8_t ldfile[9]; /* file name field */
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115 | int8_t ldmsg1[65]; /* messsage build area 1 */
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116 | int8_t ldmsg2[65]; /* messsage build area 2 */
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117 | int8_t ldmsg3[65]; /* messsage build area 3 */
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118 | int8_t loadedc[NLTYPES][37]; /* loaded file comments */
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119 | int8_t loadedf[NLTYPES][8]; /* loaded file names */
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120 | int8_t masens[3]; /* MIDI port active sensing flags */
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121 | int8_t mctlval[NCTRLS]; /* MIDI controller values */
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122 | int8_t mdbyte[3]; /* MIDI data byte buffers */
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123 | int8_t mpsust[48]; /* MIDI sustain status, by port and channel */
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124 | int8_t mrstat[3]; /* MIDI running status */
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125 | int8_t scname[N_SCORES][16]; /* Score names */
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126 | int8_t trgtab[NTRIGS]; /* trigger status */
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127 | int8_t tuncurn[33]; /* current tuning table name */
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128 | int8_t tunname[NTUNS][32]; /* tuning table names */
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129 |
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130 | /* |
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131 |
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132 | */
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133 |
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134 | int32_t *pspool; /* Score storage pool pointer */
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135 |
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136 | int32_t afi; /* analog processor FIFO value */
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137 | int32_t curtime; /* current sqscan time */
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138 | int32_t ctime; /* time at cursor */
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139 | int32_t dvwork; /* divide work area */
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140 | int32_t frags; /* Score storage pool fragment count */
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141 | int32_t iotime; /* saved lcdtime value */
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142 | int32_t lcdontm; /* LCD backlight on time */
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143 | int32_t lcdtime; /* LCD backlight timer */
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144 | int32_t lcsum; /* library checksum */
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145 | int32_t ndbytes; /* bytes needed for storage */
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146 | int32_t noteoff; /* note off time */
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147 | int32_t noteon; /* note on time */
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148 | int32_t noteper; /* note period */
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149 | int32_t noteval; /* note value */
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150 | int32_t nrest; /* number of rests */
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151 | int32_t schksum; /* Score checksum */
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152 | int32_t se1_cnt; /* Score - free list E_SIZE1 entry count */
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153 | int32_t se2_cnt; /* Score - free list E_SIZE2 entry count */
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154 | int32_t se3_cnt; /* Score - free list E_SIZE3 entry count */
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155 | int32_t snbreq; /* Score - disk bytes required */
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156 | int32_t snlreq; /* Score - score bytes required */
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157 | int32_t sntbreq; /* Score - total disk bytes required */
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158 | int32_t sntlreq; /* Score - total score bytes required */
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159 | int32_t spcount; /* Score - storage pool free entry count */
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160 | int32_t swcount; /* scroll wheel counter */
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161 | int32_t swrate; /* scroll wheel rate */
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162 | int32_t swtemp; /* scroll wheel work area */
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163 | int32_t t_bak; /* time at p_bak */
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164 | int32_t t_cbgn; /* time at p_cbgn */
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165 | int32_t t_cend; /* time at p_cend */
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166 | int32_t t_cur; /* time at p_cur */
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167 | int32_t t_ctr; /* time at p_ctr */
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168 | int32_t t_fwd; /* time at p_fwd */
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169 | int32_t t_ins; /* time at peg */
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170 | int32_t t_note; /* note duration between p_nbeg and p_nend */
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171 | int32_t t_sbgn; /* time at p_sbgn */
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172 | int32_t t_sec1; /* time at p_sec1 */
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173 | int32_t t_sec2; /* time at p_sec2 */
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174 | int32_t t_sect; /* section time */
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175 | int32_t t_send; /* time at p_send */
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176 | int32_t wshfac; /* waveshape scale factor */
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177 |
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178 | int32_t hwave[NUMWPCAL]; /* harmonic waveshape generation buffer */
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179 | int32_t nlpersc[N_SCORES]; /* number of longs per score */
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180 | int32_t scsums[N_SCORES]; /* score checksums */
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181 | int32_t spool[MAX_SE]; /* Score storage pool */
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182 |
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183 | int32_t vknm[NUMHARM][NUMWPCAL]; /* scaled harmonics for current ws */
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184 |
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185 | int32_t swrmin = SWRMIN; /* scroll wheel rate threshold */
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186 |
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187 | /* |
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188 |
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189 | */
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190 |
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191 | /*
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192 | =============================================================================
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193 | swinit() -- initialize scroll wheel variables
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194 | =============================================================================
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195 | */
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196 |
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197 | void swinit(void)
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198 | {
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199 | swflag = FALSE; /* stop the scroll wheel */
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200 | swctrl = FALSE; /* ... */
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201 | swdir = D_FWD; /* ... */
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202 | swrate = 0; /* ... */
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203 | swcount = 0; /* ... */
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204 |
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205 | memsetw(swfifo, 0, NSWFIFO); /* clear scroll wheel fifo */
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206 | swfiin = 0; /* ... */
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207 |
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208 | tkinit(); /* initialize the trackball */
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209 | }
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210 |
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