1 | /*
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2 | =============================================================================
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3 | msl.c -- midas main scan loop
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4 | Version 102 -- 1989-11-14 -- D.N. Lynx Crowe
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5 |
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6 | List with pr -e4 option to expand tabs to 4 spaces instead of 8.
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7 | =============================================================================
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8 | */
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9 |
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10 | #define DEBUGIT 0 /* enable debug code */
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11 |
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12 | #define OLDTIME 0 /* use old tempo time calculations */
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13 |
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14 | #include "stddefs.h"
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15 | #include "biosdefs.h"
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16 | #include "graphdef.h"
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17 | #include "glcfns.h"
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18 | #include "glcdefs.h"
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19 | #include "vsdd.h"
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20 | #include "vsddsw.h"
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21 | #include "vsddvars.h"
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22 | #include "hwdefs.h"
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23 | #include "memory.h"
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24 | #include "cmeta.h"
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25 | #include "fields.h"
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26 | #include "fpu.h"
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27 | #include "macros.h"
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28 | #include "patch.h"
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29 | #include "smdefs.h"
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30 | #include "sclock.h"
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31 | #include "scwheel.h"
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32 | #include "slice.h"
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33 | #include "timers.h"
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34 | #include "wordq.h"
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35 |
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36 | #include "midas.h"
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37 | #include "instdsp.h"
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38 | #include "score.h"
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39 | #include "scdsp.h"
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40 | #include "scfns.h"
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41 | #include "wsdsp.h"
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42 | #include "asgdsp.h"
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43 |
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44 | #define LCL_PRT 3 /* 1-origin local keyboard port number */
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45 |
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46 | #if DEBUGIT
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47 | extern short debugsw;
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48 |
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49 | short debugms = 1;
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50 | #endif
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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 | /* variables defined elsewhere */
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57 |
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58 | extern void (*cx_key)(void);
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59 | extern void (*cy_key)(void);
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60 | extern void (*d_key)(short k);
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61 | extern void (*e_key)(void);
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62 | extern void (*m_key)(void);
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63 | extern void (*x_key)(void);
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64 |
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65 | extern LPF (*swpt)[];
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66 |
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67 | extern short aflag;
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68 | extern short amplval;
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69 | extern short ancmsw;
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70 | extern short angroup;
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71 | extern short asig;
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72 | extern short astat;
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73 | extern short aval;
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74 | extern short clkctl;
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75 | extern short clkrun;
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76 | extern short ctrsw;
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77 | extern short cxrate;
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78 | extern short cxval;
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79 | extern short cyrate;
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80 | extern short cyval;
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81 | extern short dsp_ok;
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82 | extern short editss;
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83 | extern short editsw;
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84 | extern short lampsw;
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85 | extern short ndisp;
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86 | extern short nxtflag;
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87 | extern short pchsw;
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88 | extern short recsw;
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89 | extern short runit;
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90 | extern short swback;
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91 | extern short swctrl;
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92 | extern short swdelta;
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93 | extern short swdir;
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94 | extern short swfiin;
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95 | extern short swflag;
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96 | extern short swlast;
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97 | extern short swndx;
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98 | extern short swstop;
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99 | extern short swthr;
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100 | extern short swtime;
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101 | extern short swwait;
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102 | extern short sd;
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103 | extern short se;
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104 | extern short stcrow;
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105 | extern short stccol;
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106 | extern short tglclk;
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107 | extern short tglpch;
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108 | extern short timemlt;
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109 | extern short tmpomlt;
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110 | extern short tmpoval;
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111 | extern short tuneval;
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112 | extern short vtpcol;
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113 | extern short vtprow;
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114 |
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115 | /* |
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116 |
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117 | */
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118 |
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119 | extern unsigned *obj8;
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120 |
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121 | extern long afi;
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122 | extern long lcdtime;
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123 | extern long swcount;
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124 | extern long swrate;
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125 | extern long swrmin;
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126 | extern long swtemp;
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127 |
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128 | extern short grpmode[];
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129 | extern short grpstat[];
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130 | extern short prstab[];
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131 | extern short simled[];
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132 | extern short swfifo[NSWFIFO];
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133 | extern short tmultab[];
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134 | extern short vce2trg[];
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135 | extern short veltab[];
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136 |
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137 | extern char trgtab[];
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138 |
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139 | extern short grp2prt[][2];
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140 | extern short sigtab[][2];
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141 | extern short varmode[][16];
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142 |
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143 | extern struct gdsel *gdstbc[];
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144 |
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145 | extern struct wordq ptefifo;
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146 |
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147 | unsigned short fifoval;
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148 |
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149 | /* |
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150 |
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151 | */
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152 |
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153 | /*
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154 | =============================================================================
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155 | clk_ped() -- process clock on/off toggle pedal
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156 | =============================================================================
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157 | */
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158 |
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159 | void clk_ped(short stat)
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160 | {
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161 | if (stat)
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162 | tglclk = TRUE;
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163 | }
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164 |
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165 | /*
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166 | =============================================================================
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167 | pch_ped() -- process punch in/out toggle pedal
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168 | =============================================================================
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169 | */
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170 |
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171 | void pch_ped(short stat)
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172 | {
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173 | if (stat AND pchsw)
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174 | tglpch = TRUE;
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175 | }
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176 |
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177 | /* |
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178 |
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179 | */
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180 |
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181 | /*
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182 | =============================================================================
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183 | msl() -- MIDAS main scan loop
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184 | =============================================================================
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185 | */
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186 |
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187 | void msl(void)
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188 | {
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189 | register char *ioadr;
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190 | register unsigned *fpu;
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191 | register struct s_entry *ep;
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192 | register short i, ti, val;
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193 | register long rt;
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194 | unsigned short chan, crel, oldsr, port, trg, trig, vel;
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195 | short cxprev, cyprev, esi, newsig, oldclk, oldrec;
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196 | long fctemp;
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197 |
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198 | #if DEBUGIT
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199 | if (debugsw AND debugms)
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200 | printf("msl(): ENTRY ndisp=%d\n", ndisp);
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201 | #endif
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202 |
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203 | runit = TRUE; /* set run state */
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204 |
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205 | while (runit) {
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206 |
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207 | dsp_ok = TRUE; /* set display-OK flag for this pass */
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208 |
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209 | ioadr = &io_ser + 2L; /* get edit switch status */
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210 | esi = *ioadr & 0x0008;
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211 |
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212 | if (editss NE esi) { /* check for edit switch change */
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213 |
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214 | editss = esi;
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215 |
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216 | if (editss) /* toggle edit state if it went hi */
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217 | editsw = NOT editsw;
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218 | }
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219 |
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220 | if (editsw) /* update edit LED */
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221 | io_leds = 0x9E;
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222 | else
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223 | io_leds = 0x1E;
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224 |
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225 | if ((NOT lampsw) AND lcdtime) {
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226 |
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227 | if (0 EQ --lcdtime)
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228 | io_leds = 0x1F; /* turn off the LCD backlight */
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229 | }
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230 |
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231 | msm(); /* scan the MIDI ports */
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232 | /* |
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233 |
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234 | */
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235 |
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236 | if (tglclk) { /* check for clock on/off toggle */
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237 |
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238 | oldsr = setsr(0x2700); /* disable interrupts */
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239 | tglclk = FALSE; /* cancel toggle flag */
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240 | setsr(oldsr); /* enable interrupts */
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241 |
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242 | clkset(NOT clkrun); /* toggle clock mode */
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243 | dclkmd(); /* update display */
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244 | }
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245 |
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246 | if (tglpch) { /* check for punch in/out toggle */
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247 |
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248 | oldsr = setsr(0x2700); /* disable interrupts */
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249 | tglpch = FALSE; /* cancel toggle flag */
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250 | setsr(oldsr); /* enable interrupts */
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251 |
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252 | if ((ndisp EQ 2) AND (v_regs[5] & 0x0180))
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253 | vbank(0);
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254 |
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255 | for (i = 0; i < 12; i++) { /* scan the groups */
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256 |
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257 | if (grpmode[i] EQ 1) { /* stdby -> rec */
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258 |
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259 | grpmode[i] = 2;
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260 |
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261 | if (ndisp EQ 2)
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262 | vputc(obj8, 2, 6 + (i * 5),
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263 | '*', simled[grpmode[i]]);
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264 |
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265 | } else if (grpmode[i] EQ 2) { /* rec -> play */
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266 |
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267 | grpmode[i] = 0;
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268 |
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269 | if (ndisp EQ 2)
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270 | vputc(obj8, 2, 6 + (i * 5),
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271 | '*', simled[grpmode[i]]);
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272 | }
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273 | }
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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 | */
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279 | /* process stimulli from the patch stimulus fifo */
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280 |
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281 | if (getwq(&ptefifo, &fifoval) GE 0) {
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282 |
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283 | crel = 0x8000 & fifoval;
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284 |
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285 | trg = TRG_MASK & fifoval;
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286 | port = 0x0003 & (fifoval >> 11);
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287 | chan = 0x000F & (fifoval >> 7);
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288 | trig = 0x007F & fifoval;
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289 |
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290 | veltab[trg] = vel = SM_SCALE(64);
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291 | prstab[trg] = 0;
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292 |
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293 | if (crel) { /* release */
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294 |
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295 | trgtab[trg] &= ~M_KSTATE;
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296 |
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297 | for (i = 0; i < 12; i++) {
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298 |
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299 | if (vce2trg[i] EQ trg) {
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300 |
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301 | vce2trg[i] = -1;
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302 | procpfl(trg);
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303 |
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304 | }
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305 | }
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306 |
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307 | stmproc(fifoval); /* do it as a patch stimulus */
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308 |
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309 | } else { /* closure */
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310 |
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311 | trgtab[trg] |= M_KSTATE;
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312 |
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313 | stmproc(fifoval); /* do it as a patch stimulus */
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314 |
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315 | for (i = 0; i < 12; i++)
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316 | if ((grp2prt[i][0] EQ 1 + port) AND
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317 | (grp2prt[i][1] EQ 1 + chan))
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318 | asgvce(i, port, chan, trig, vel);
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319 | }
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320 | }
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321 | /* |
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322 |
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323 | */
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324 | if (-1L NE (afi = XBIOS(X_ANALOG))) { /* check panel inputs */
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325 |
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326 | asig = (afi >> 8) & 0x007F; /* signal number */
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327 | astat = (afi >> 7) & 0x0001; /* status */
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328 | aval = afi & 0x007F; /* value */
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329 |
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330 | if (asig) { /* active signal */
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331 |
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332 | aflag = TRUE;
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333 | newsig = astat AND (NOT sigtab[asig][1]);
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334 |
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335 | sigtab[asig][0] = aval;
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336 | sigtab[asig][1] = astat;
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337 |
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338 | } else { /* all keys up */
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339 |
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340 | aflag = FALSE;
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341 | newsig = FALSE;
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342 |
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343 | for (i = 0; i < 128; i++)
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344 | sigtab[i][1] = 0;
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345 | }
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346 |
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347 | /* |
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348 |
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349 | */
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350 | if (aflag) { /* anything changed ? */
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351 |
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352 | if ((asig GE 1) AND (asig LE 24)) {
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353 |
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354 | /* local keyboard performance key */
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355 |
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356 | localkb(asig);
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357 |
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358 | } else if ((asig GE 25) AND (asig LE 38)) {
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359 |
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360 | if (astat)
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361 | lcd_on();
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362 |
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363 | if (NOT newsig)
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364 | doslide();
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365 |
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366 | } else if ((asig GE 39) AND (asig LE 52)) {
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367 |
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368 | if (astat)
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369 | lcd_on();
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370 |
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371 | (*(*swpt)[asig - 39])(astat, (asig - 39));
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372 |
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373 | } else if ((asig GE 60) AND (asig LE 69)) {
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374 |
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375 | (*d_key)(asig - 60);
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376 |
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377 | /* |
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378 |
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379 | */
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380 | } else switch (asig) {
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381 |
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382 | case 53: /* tablet x */
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383 |
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384 | val = SM_SCALE(aval);
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385 |
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386 | for (i = 0; i < 12; i++) {
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387 |
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388 | if (grp2prt[i][0] EQ LCL_PRT) {
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389 |
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390 | if (newsv(i, SM_HTPW, val)) {
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391 |
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392 | if (recsw AND grpstat[i] AND
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393 | (2 EQ (ancmsw ? varmode[0][i] : grpmode[i]))) {
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394 |
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395 | if (E_NULL NE (ep = e_alc(E_SIZE2))) {
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396 |
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397 | ep->e_time = t_cur;
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398 | ep->e_type = EV_ANVL;
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399 | ep->e_data1 = i;
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400 | ep->e_dn = (struct s_entry *)((long)val << 16);
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401 | p_cur = e_ins(ep, ep_adj(p_cur, 0, t_cur))->e_fwd;
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402 | ctrsw = TRUE;
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403 | se_disp(ep, D_FWD, gdstbc, 1);
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404 | ctrsw = FALSE;
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405 | }
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406 |
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407 | } else if ((angroup - 1) EQ i) {
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408 |
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409 | dsanval(0);
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410 | }
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411 | }
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412 | }
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413 | }
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414 |
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415 | break;
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416 | /* |
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417 |
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418 | */
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419 | case 54: /* tablet y */
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420 |
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421 | val = SM_SCALE(aval);
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422 |
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423 | for (i = 0; i < 12; i++) {
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424 |
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425 | if (grp2prt[i][0] EQ LCL_PRT) {
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426 |
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427 | if (newsv(i, SM_VTMW, val)) {
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428 |
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429 | if (recsw AND grpstat[i] AND
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430 | (2 EQ (ancmsw ? varmode[1][i] : grpmode[i]))) {
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431 |
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432 | if (E_NULL NE (ep = e_alc(E_SIZE2))) {
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433 |
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434 | ep->e_time = t_cur;
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435 | ep->e_type = EV_ANVL;
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436 | ep->e_data1 = 0x0010 | i;
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437 | ep->e_dn = (struct s_entry *)((long)val << 16);
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438 | p_cur = e_ins(ep, ep_adj(p_cur, 0, t_cur))->e_fwd;
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439 | ctrsw = TRUE;
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440 | se_disp(ep, D_FWD, gdstbc, 1);
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441 | ctrsw = FALSE;
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442 | }
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443 |
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444 | } else if ((angroup - 1) EQ i) {
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445 |
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446 | dsanval(1);
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447 | }
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448 | }
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449 | }
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450 | }
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451 |
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452 | break;
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453 |
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454 | case 55: /* cursor x */
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455 |
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456 | (*cx_key)(); break;
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457 |
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458 | case 56: /* cursor y */
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459 |
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460 | (*cy_key)(); break;
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461 | /* |
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462 |
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463 | */
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464 | case 58: /* longpot r */
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465 |
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466 | val = SM_SCALE(aval);
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467 |
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468 | for (i = 0; i < 12; i++) {
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469 |
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470 | if (grp2prt[i][0] EQ LCL_PRT) {
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471 |
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472 | if (newsv(i, SM_LPBR, val)) {
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473 |
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474 | if (recsw AND grpstat[i] AND
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475 | (2 EQ (ancmsw ? varmode[2][i] : grpmode[i]))) {
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476 |
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477 | if (E_NULL NE (ep = e_alc(E_SIZE2))) {
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478 |
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479 | ep->e_time = t_cur;
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480 | ep->e_type = EV_ANVL;
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481 | ep->e_data1 = 0x0020 | i;
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482 | ep->e_dn = (struct s_entry *)((long)val << 16);
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483 | p_cur = e_ins(ep, ep_adj(p_cur, 0, t_cur))->e_fwd;
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484 | ctrsw = TRUE;
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485 | se_disp(ep, D_FWD, gdstbc, 1);
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486 | ctrsw = FALSE;
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487 | }
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488 |
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489 | } else if ((angroup - 1) EQ i) {
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490 |
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491 | dsanval(2);
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492 | }
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493 | }
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494 | }
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495 | }
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496 |
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497 | break;
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498 |
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499 | /* |
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500 |
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501 | */
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502 | case 59: /* scroll wheel */
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503 |
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504 | wheel(); break;
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505 |
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506 | case 70: /* X key */
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507 |
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508 | (*x_key)(); break;
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509 |
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510 | case 71: /* E key */
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511 |
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512 | #if DEBUGIT
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513 | if (debugsw AND debugms)
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514 | printf("msl(): -> e_key ($%lX) astat=%d ndisp=%d\n",
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515 | e_key, astat, ndisp);
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516 | #endif
|
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517 | (*e_key)();
|
---|
518 |
|
---|
519 | #if DEBUGIT
|
---|
520 | if (debugsw AND debugms)
|
---|
521 | printf("msl(): <- e_key ($%lX) astat=%d ndisp=%d runit=%d\n",
|
---|
522 | e_key, astat, ndisp, runit);
|
---|
523 | #endif
|
---|
524 |
|
---|
525 | break;
|
---|
526 |
|
---|
527 | case 72: /* M key */
|
---|
528 |
|
---|
529 | (*m_key)(); break;
|
---|
530 |
|
---|
531 | case 73: /* Tempo */
|
---|
532 |
|
---|
533 | if (aval > 50) /* dead band */
|
---|
534 | if (aval < 53)
|
---|
535 | aval = 50;
|
---|
536 | else
|
---|
537 | aval -= 2;
|
---|
538 |
|
---|
539 | tmpomlt = aval > 100 ? 100 : aval;
|
---|
540 | #if OLDTIME
|
---|
541 | ti = ( (tmpomlt + 50) * tmpoval) / 100;
|
---|
542 | ti = (short)( (192000L / ti) - 1);
|
---|
543 | #else
|
---|
544 | ti = (tmpomlt + 50) * tmpoval;
|
---|
545 | ti = (short)( (19200000L / ti) - 1);
|
---|
546 | #endif
|
---|
547 | TIME_T2H = ti >> 8;
|
---|
548 | TIME_T2L = ti & 0x00FF;
|
---|
549 |
|
---|
550 | if (tmpomlt EQ 50) { /* 0 */
|
---|
551 |
|
---|
552 | io_leds = 0x18; /* green off */
|
---|
553 | io_leds = 0x19; /* red off */
|
---|
554 |
|
---|
555 | } else if (tmpomlt GT 50) { /* hi */
|
---|
556 |
|
---|
557 | io_leds = 0x98; /* green on */
|
---|
558 | io_leds = 0x19; /* red off */
|
---|
559 |
|
---|
560 | } else { /* lo */
|
---|
561 |
|
---|
562 | io_leds = 0x18; /* green off */
|
---|
563 | io_leds = 0x99; /* red on */
|
---|
564 | }
|
---|
565 |
|
---|
566 | break;
|
---|
567 | /* |
---|
568 |
|
---|
569 | */
|
---|
570 | case 74: /* Time */
|
---|
571 |
|
---|
572 | if (aval > 50) /* dead band */
|
---|
573 | if (aval < 53)
|
---|
574 | aval = 50;
|
---|
575 | else
|
---|
576 | aval -= 2;
|
---|
577 |
|
---|
578 | ti = aval > 100 ? 100 : aval;
|
---|
579 | timemlt = tmultab[ti];
|
---|
580 |
|
---|
581 | if (ti EQ 50) { /* 0 */
|
---|
582 |
|
---|
583 | io_leds = 0x1A; /* green off */
|
---|
584 | io_leds = 0x1B; /* red off */
|
---|
585 |
|
---|
586 | } else if (ti GT 50) { /* hi */
|
---|
587 |
|
---|
588 | io_leds = 0x9A; /* green on */
|
---|
589 | io_leds = 0x1B; /* red off */
|
---|
590 |
|
---|
591 | } else { /* lo */
|
---|
592 |
|
---|
593 | io_leds = 0x1A; /* green off */
|
---|
594 | io_leds = 0x9B; /* red on */
|
---|
595 | }
|
---|
596 |
|
---|
597 | break;
|
---|
598 |
|
---|
599 | /* |
---|
600 |
|
---|
601 | */
|
---|
602 | case 75: /* Tuning */
|
---|
603 |
|
---|
604 | if (aval > 50) /* dead band */
|
---|
605 | if (aval < 53)
|
---|
606 | aval = 50;
|
---|
607 | else
|
---|
608 | aval -= 2;
|
---|
609 |
|
---|
610 | i = (aval > 100) ? 100 : aval;
|
---|
611 | tuneval = (i - 50) << 2;
|
---|
612 | settune();
|
---|
613 |
|
---|
614 | if (i EQ 50) {
|
---|
615 |
|
---|
616 | io_leds = 0x1C; /* green off */
|
---|
617 | io_leds = 0x1D; /* red off */
|
---|
618 |
|
---|
619 | } else if (i GT 50) {
|
---|
620 |
|
---|
621 | io_leds = 0x9C; /* green on */
|
---|
622 | io_leds = 0x1D; /* red off */
|
---|
623 |
|
---|
624 | } else {
|
---|
625 |
|
---|
626 | io_leds = 0x1C; /* green off */
|
---|
627 | io_leds = 0x9D; /* red on */
|
---|
628 | }
|
---|
629 |
|
---|
630 | break;
|
---|
631 | /* |
---|
632 |
|
---|
633 | */
|
---|
634 | case 76: /* amplitude */
|
---|
635 |
|
---|
636 | aval += aval >> 2;
|
---|
637 |
|
---|
638 | if (aval > 127)
|
---|
639 | aval = 127;
|
---|
640 |
|
---|
641 | amplval = (aval << 9) ^ 0x8000;
|
---|
642 | sendval(0, 0, amplval);
|
---|
643 | break;
|
---|
644 |
|
---|
645 | case 77: /* pedal 1 */
|
---|
646 |
|
---|
647 | val = SM_SCALE(aval);
|
---|
648 |
|
---|
649 | for (i = 0; i < 12; i++) {
|
---|
650 |
|
---|
651 | if (grp2prt[i][0] EQ LCL_PRT) {
|
---|
652 |
|
---|
653 | if (newsv(i, SM_PED1, val)) {
|
---|
654 |
|
---|
655 | if (recsw AND grpstat[i] AND
|
---|
656 | (2 EQ (ancmsw ? varmode[4][i] : grpmode[i]))) {
|
---|
657 |
|
---|
658 | if (E_NULL NE (ep = e_alc(E_SIZE2))) {
|
---|
659 |
|
---|
660 | ep->e_time = t_cur;
|
---|
661 | ep->e_type = EV_ANVL;
|
---|
662 | ep->e_data1 = 0x0040 | i;
|
---|
663 | ep->e_dn = (struct s_entry *)((long)val << 16);
|
---|
664 | p_cur = e_ins(ep, ep_adj(p_cur, 0, t_cur))->e_fwd;
|
---|
665 | ctrsw = TRUE;
|
---|
666 | se_disp(ep, D_FWD, gdstbc, 1);
|
---|
667 | ctrsw = FALSE;
|
---|
668 | }
|
---|
669 |
|
---|
670 | } else if ((angroup - 1) EQ i) {
|
---|
671 |
|
---|
672 | dsanval(4);
|
---|
673 | }
|
---|
674 | }
|
---|
675 | }
|
---|
676 | }
|
---|
677 |
|
---|
678 | break;
|
---|
679 |
|
---|
680 | /* |
---|
681 |
|
---|
682 | */
|
---|
683 | case 79: /* cv 1 */
|
---|
684 |
|
---|
685 | val = SM_SCALE(aval);
|
---|
686 |
|
---|
687 | for (i = 0; i < 12; i++) {
|
---|
688 |
|
---|
689 | if (grp2prt[i][0] EQ LCL_PRT) {
|
---|
690 |
|
---|
691 | if (newsv(i, SM_CTL1, val)) {
|
---|
692 |
|
---|
693 | if (recsw AND grpstat[i] AND
|
---|
694 | (2 EQ (ancmsw ? varmode[3][i] : grpmode[i]))) {
|
---|
695 |
|
---|
696 | if (E_NULL NE (ep = e_alc(E_SIZE2))) {
|
---|
697 |
|
---|
698 | ep->e_time = t_cur;
|
---|
699 | ep->e_type = EV_ANVL;
|
---|
700 | ep->e_data1 = 0x0030 | i;
|
---|
701 | ep->e_dn = (struct s_entry *)((long)val << 16);
|
---|
702 | p_cur = e_ins(ep, ep_adj(p_cur, 0, t_cur))->e_fwd;
|
---|
703 | ctrsw = TRUE;
|
---|
704 | se_disp(ep, D_FWD, gdstbc, 1);
|
---|
705 | ctrsw = FALSE;
|
---|
706 | }
|
---|
707 |
|
---|
708 | } if ((angroup - 1)EQ i) {
|
---|
709 |
|
---|
710 | dsanval(3);
|
---|
711 | }
|
---|
712 | }
|
---|
713 | }
|
---|
714 | }
|
---|
715 |
|
---|
716 | break;
|
---|
717 |
|
---|
718 | }
|
---|
719 | }
|
---|
720 | }
|
---|
721 | /* |
---|
722 |
|
---|
723 | */
|
---|
724 |
|
---|
725 | #if DEBUGIT
|
---|
726 | if (debugsw AND debugms AND (NOT runit))
|
---|
727 | printf("msl(): end of asig cases -- dsp_ok = %d\n", dsp_ok);
|
---|
728 | #endif
|
---|
729 |
|
---|
730 | /* memory allocation changed ? */
|
---|
731 |
|
---|
732 | if ((ndisp EQ 2) AND se_chg AND dsp_ok) {
|
---|
733 |
|
---|
734 | dsmem(); /* display memory remaining */
|
---|
735 | se_chg = FALSE;
|
---|
736 | }
|
---|
737 |
|
---|
738 | nxtflag = FALSE; /* clear 'next score' flag */
|
---|
739 | fctemp = fc_val; /* sample the frame clock */
|
---|
740 |
|
---|
741 | if (t_cur NE fctemp) { /* see if frame clock changed */
|
---|
742 |
|
---|
743 | if (t_cur LT fctemp) { /* clock incremented */
|
---|
744 |
|
---|
745 | if (se EQ D_BAK) /* change direction ? */
|
---|
746 | chgsef();
|
---|
747 |
|
---|
748 | sc_trek(fctemp); /* track frame clock */
|
---|
749 |
|
---|
750 | } else { /* clock decremented */
|
---|
751 |
|
---|
752 | if (se EQ D_FWD) /* change direction ? */
|
---|
753 | chgseb();
|
---|
754 |
|
---|
755 | sc_trek(fctemp); /* track frame clock */
|
---|
756 | }
|
---|
757 |
|
---|
758 | /* handle display update if there's time for it */
|
---|
759 |
|
---|
760 | } else if (dsp_ok AND (t_ctr NE t_cur)) {
|
---|
761 |
|
---|
762 | if (t_ctr LT t_cur) { /* clock incremented */
|
---|
763 |
|
---|
764 | if (sd EQ D_BAK) /* change direction ? */
|
---|
765 | chgsdf();
|
---|
766 |
|
---|
767 | sc_trak(t_ctr + 1); /* track frame clock */
|
---|
768 |
|
---|
769 | } else { /* clock decremented */
|
---|
770 |
|
---|
771 | if (sd EQ D_FWD) /* change direction ? */
|
---|
772 | chgsdb();
|
---|
773 |
|
---|
774 | sc_trak(t_ctr - 1); /* track frame clock */
|
---|
775 | }
|
---|
776 | }
|
---|
777 | /* |
---|
778 |
|
---|
779 | */
|
---|
780 | #if DEBUGIT
|
---|
781 | if (debugsw AND debugms AND (NOT runit))
|
---|
782 | printf("msl(): end of clock processing -- dsp_ok = %d\n",
|
---|
783 | dsp_ok);
|
---|
784 | #endif
|
---|
785 |
|
---|
786 | /* handle 'next score' flag */
|
---|
787 |
|
---|
788 | if (nxtflag AND (sd EQ D_FWD)) { /* switch scores ? */
|
---|
789 |
|
---|
790 | oldrec = recsw;
|
---|
791 | oldclk = clkrun;
|
---|
792 |
|
---|
793 | ti = curscor + 1;
|
---|
794 |
|
---|
795 | if (ti GE N_SCORES)
|
---|
796 | ti = 0;
|
---|
797 |
|
---|
798 | for (i = 0; i < N_SCORES; i++) {
|
---|
799 |
|
---|
800 | if (E_NULL NE scores[ti]) {
|
---|
801 |
|
---|
802 | selscor(ti);
|
---|
803 | break;
|
---|
804 | }
|
---|
805 |
|
---|
806 | if (++ti GE N_SCORES)
|
---|
807 | ti = 0;
|
---|
808 | }
|
---|
809 |
|
---|
810 | clkset(oldclk); /* restore clock mode */
|
---|
811 | dsclk();
|
---|
812 | recsw = oldrec; /* restore record/play mode */
|
---|
813 | dsrpmod();
|
---|
814 | nxtflag = FALSE; /* clear 'next score' flag */
|
---|
815 | }
|
---|
816 |
|
---|
817 | #if DEBUGIT
|
---|
818 | if (debugsw AND debugms AND (NOT runit))
|
---|
819 | printf("msl(): curproc\n");
|
---|
820 | #endif
|
---|
821 |
|
---|
822 | curproc(); /* process wheel and ball */
|
---|
823 |
|
---|
824 | #if DEBUGIT
|
---|
825 | if (debugsw AND debugms AND (NOT runit))
|
---|
826 | printf("msl(): seqproc\n");
|
---|
827 | #endif
|
---|
828 |
|
---|
829 | seqproc(); /* process sequences */
|
---|
830 | }
|
---|
831 |
|
---|
832 | #if DEBUGIT
|
---|
833 | if (debugsw AND debugms)
|
---|
834 | printf("msl(): EXIT ndisp=%d\n", ndisp);
|
---|
835 | #endif
|
---|
836 | }
|
---|