[f40a309] | 1 | /*
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| 2 | =============================================================================
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| 3 | wheel.c -- MIDAS-VII -- scroll wheel, trackball and mouse functions
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| 4 | Version 47 -- 1989-12-19 -- D.N. Lynx Crowe
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| 5 |
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| 6 | M8 Mouse driver -- uses 3 byte Microsoft format (default).
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| 7 | =============================================================================
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| 8 | */
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| 9 |
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| 10 | #define DEBUGMS 0
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| 11 | #define DEBUGTF 0
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| 12 | #define DEBUGTK 0
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| 13 |
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[b28a12e] | 14 | #include "ram.h"
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[e225e77] | 15 |
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[f40a309] | 16 | #define M_FL_CT 1024 /* mouse flush count */
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| 17 |
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| 18 | #define M_ST_TM 2
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| 19 | #define C_PER_S 500
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| 20 | #define MAXTRIES 10
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| 21 |
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| 22 | #define MATIME 2000 /* mouse activity timeout -- ms*/
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| 23 |
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| 24 | #define CFR0 (BR_1200|NSB_1) /* UART CFR0 1200 baud, 1 stop bit */
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| 25 | #define CFR1 (P_NONE|NDB_7) /* UART CFR1 7 data bits, no parity */
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| 26 |
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| 27 | #define M_NONE 0 /* No errors detected */
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| 28 | #define M_FLUSH 1 /* Unable to flush mouse buffer */
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| 29 | #define M_SYNC 2 /* Mouse out of sync */
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| 30 | #define M_NORESP 3 /* No response from mouse */
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| 31 | #define M_RESPNG 4 /* Bad response from mouse */
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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 |
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| 37 | #if DEBUGMS
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| 38 | short debugms;
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| 39 | #endif
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| 40 |
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| 41 | #if DEBUGTF
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| 42 | short debugtf;
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| 43 |
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| 44 | long txficnt;
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| 45 | long tyficnt;
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| 46 | #endif
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| 47 |
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| 48 | #if DEBUGTK
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| 49 | short debugtk;
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| 50 | #endif
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[7258c6a] | 51 |
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| 52 | int16_t M_error; /* mouse I/F error code */
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| 53 | int16_t M_state; /* mouse state */
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[f40a309] | 54 | int16_t M_oldbs; /* previous mouse button state */
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[7258c6a] | 55 |
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[f40a309] | 56 | int8_t M_strng[32]; /* mouse input string buffer */
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[7258c6a] | 57 |
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| 58 | int16_t msctrl; /* mouse control flag -- mouse update */
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| 59 | int16_t msflag; /* mouse control flag -- mouse movement */
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[9519422] | 60 | int16_t msrtag; /* mouse control flag -- mouse reset */
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[7258c6a] | 61 | int16_t msxres; /* mouse x residue */
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| 62 | int16_t msyres; /* mouse y residue */
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| 63 | int16_t msxmov; /* mouse x movement */
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| 64 | int16_t msymov; /* mouse y movement */
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| 65 | int16_t msxdiv; /* mouse x divisor */
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[f40a309] | 66 | int16_t msydiv; /* mouse y divisor */
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[7258c6a] | 67 |
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[f40a309] | 68 | int16_t tkboth; /* both trackball axes went active */
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[7258c6a] | 69 |
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| 70 | int16_t txdiv; /* text cursor X divider */
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[f40a309] | 71 | int16_t tydiv; /* text cursor Y divider */
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[7258c6a] | 72 |
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| 73 | int16_t tkxdvr = TKXDVR; /* text cursor X divisor */
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[f40a309] | 74 | int16_t tkydvr = TKYDVR; /* text cursor Y divisor */
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[7258c6a] | 75 |
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| 76 | int16_t tkhdvr = TKCDVR; /* text cursor horizontal movement threshold */
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[f40a309] | 77 | int16_t tkvdvr = TKCDVR; /* text cursor vertical movement threshold */
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| 78 |
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| 79 | /* |
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| 80 |
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[7258c6a] | 81 | */
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[f40a309] | 82 |
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| 83 | int16_t msxgdv[13] = { /* mouse x cursor divisor table */
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| 84 |
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| 85 | 1, /* -1 -- Main menu */
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| 86 | 1, /* 0 -- Librarian */
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| 87 | 1, /* 1 -- Patch editor */
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| 88 | 1, /* 2 -- Score editor */
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| 89 | 1, /* 3 -- Sequence editor */
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| 90 | 1, /* 4 -- Instrument editor */
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| 91 | 1, /* 5 -- Initialize system */
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| 92 | 1, /* 6 -- Waveshape editor */
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| 93 | 1, /* 7 -- Write program to disk */
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| 94 | 1, /* 8 -- Tuning editor */
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| 95 | 1, /* 9 -- Format disk */
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| 96 | 1, /* 10 -- Assignment editor */
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| 97 | 1 /* 11 -- Diagnostics */
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[7258c6a] | 98 | };
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[f40a309] | 99 |
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| 100 | int16_t msygdv[13] = { /* mouse y cursor divisor table */
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| 101 |
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| 102 | 2, /* -1 -- Main menu */
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| 103 | 2, /* 0 -- Librarian */
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| 104 | 2, /* 1 -- Patch editor */
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| 105 | 2, /* 2 -- Score editor */
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| 106 | 2, /* 3 -- Sequence editor */
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| 107 | 2, /* 4 -- Instrument editor */
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| 108 | 2, /* 5 -- Initialize system */
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| 109 | 2, /* 6 -- Waveshape editor */
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| 110 | 2, /* 7 -- Write program to disk */
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| 111 | 2, /* 8 -- Tuning editor */
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| 112 | 2, /* 9 -- Format disk */
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| 113 | 2, /* 10 -- Assignment editor */
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| 114 | 2 /* 11 -- Diagnostics */
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| 115 | };
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| 116 |
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| 117 | #include "swrtab.h" /* long swrtab[128]; */
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| 118 |
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| 119 | /* |
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| 120 |
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| 121 | */
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| 122 |
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| 123 | /*
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| 124 | =============================================================================
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| 125 | MouseRT() -- reset the mouse activity timer
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[7258c6a] | 126 | =============================================================================
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[f40a309] | 127 | */
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[7258c6a] | 128 |
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[f40a309] | 129 | void MouseRT(uint16_t t)
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| 130 | {
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| 131 | uint16_t oldi;
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| 132 |
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| 133 | oldi = setipl(TIM_DI); /* disable interrupts */
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| 134 |
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| 135 | timers[MUTIMER] = t; /* set the mouse timer */
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| 136 |
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| 137 | setipl(oldi); /* enable interrupts */
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| 138 |
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| 139 | #if DEBUGMS
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| 140 | if (debugms > 2)
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| 141 | printf("MouseRT(%d)\n", t);
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| 142 | #endif
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| 143 | }
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| 144 |
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| 145 | /* |
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| 146 |
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| 147 | */
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| 148 |
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| 149 | /*
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| 150 | =============================================================================
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[7258c6a] | 151 | MouseRD() -- read a string from the mouse
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[f40a309] | 152 | =============================================================================
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[7258c6a] | 153 | */
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[f40a309] | 154 |
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[7258c6a] | 155 | int16_t MouseRD(int8_t *str, int16_t nc, int16_t nt)
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[f40a309] | 156 | {
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| 157 | int32_t tc;
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| 158 |
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| 159 | tc = nt * (int32_t)C_PER_S;
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| 160 |
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[7258c6a] | 161 | while (nc > 0) {
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[f40a309] | 162 |
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| 163 | if (BIOS(B_RDAV, PRT_DEV)) {
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| 164 |
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| 165 | *str++ = (int8_t)BIOS(B_GETC, PRT_DEV);
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| 166 | *str = '\0';
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| 167 | --nc;
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| 168 |
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| 169 | } else {
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| 170 |
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| 171 | if (tc-- LE 0)
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| 172 | return(FAILURE);
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| 173 | }
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| 174 | }
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| 175 |
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| 176 | return(SUCCESS);
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| 177 | }
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| 178 |
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| 179 | /*
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| 180 | =============================================================================
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[7258c6a] | 181 | MouseWR() -- write a string to the mouse
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[f40a309] | 182 | =============================================================================
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[7258c6a] | 183 | */
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[f40a309] | 184 |
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| 185 | void MouseWR(int8_t *str)
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| 186 | {
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| 187 | register uint16_t c;
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| 188 |
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| 189 | #if DEBUGMS
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| 190 | if (debugms > 1)
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| 191 | printf("OUT \"%s\"\n", str);
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| 192 | #endif
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| 193 |
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| 194 | while (c = 0x00FF & *str++) /* get a byte */
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| 195 | BIOS(B_PUTC, PRT_DEV, c); /* output it */
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| 196 | }
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| 197 |
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| 198 | /* |
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| 199 |
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| 200 | */
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| 201 |
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| 202 | /*
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[7258c6a] | 203 | =============================================================================
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[f40a309] | 204 | MouseFL() -- flush the mouse input buffer
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[7258c6a] | 205 | =============================================================================
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[f40a309] | 206 | */
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| 207 |
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| 208 | int16_t MouseFL(int16_t tc)
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| 209 | {
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| 210 | int32_t flushed;
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| 211 |
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| 212 | flushed = 0L; /* reset the flush counter */
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| 213 |
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| 214 | M_state = 0; /* reset mouse state */
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| 215 | msflag = FALSE; /* reset mouse movement flag */
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| 216 | msctrl = FALSE; /* reset mouse update flag */
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| 217 |
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| 218 | while (BIOS(B_RDAV, PRT_DEV)) { /* check for data */
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| 219 |
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| 220 | BIOS(B_GETC, PRT_DEV); /* read a byte */
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| 221 | ++flushed; /* update flush count */
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| 222 |
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| 223 | if (--tc LE 0) { /* see if we've timed out */
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| 224 |
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| 225 | #if DEBUGMS
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| 226 | if (debugms)
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| 227 | printf("FLUSH %d %ld FAILURE\n", M_state, flushed);
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| 228 | #endif
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| 229 |
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| 230 | return(FAILURE); /* FAILED */
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| 231 | }
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| 232 | }
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| 233 |
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| 234 | #if DEBUGMS
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| 235 | if (debugms)
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| 236 | printf("FLUSH %d %ld SUCCESS\n", M_state, flushed);
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| 237 | #endif
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| 238 |
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| 239 | return(SUCCESS); /* SUCCEEDED */
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| 240 | }
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| 241 |
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| 242 | /* |
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| 243 |
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| 244 | */
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| 245 |
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[7258c6a] | 246 | /*
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[f40a309] | 247 | =============================================================================
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[7258c6a] | 248 | MouseWK() -- wake up the mouse
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[f40a309] | 249 | =============================================================================
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| 250 | */
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| 251 |
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| 252 | int16_t MouseWK(void)
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| 253 | {
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| 254 | int16_t tries;
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| 255 |
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| 256 | M_error = M_NONE; /* reset mouse error flag */
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| 257 | M_oldbs = 0; /* reset mouse button state */
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| 258 | M_state = 0; /* reset the mouse state machine */
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| 259 |
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| 260 | /* set the UART to 1200 baud, 7 data bits, No parity, 1 stop bit */
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| 261 |
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| 262 | XBIOS(X_SETPRT, PRT_DEV, L_NUL, -1, CFR0, CFR1);
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| 263 |
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| 264 | if (MouseFL(M_FL_CT)) { /* flush the FIFO */
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| 265 |
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| 266 | M_error = M_FLUSH; /* error -- can't flush */
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| 267 |
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| 268 | #if DEBUGMS
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| 269 | if (debugms)
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| 270 | printf("MouseWK() -- FAILURE\n");
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| 271 | #endif
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| 272 |
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| 273 | return(FAILURE); /* return -- we failed */
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| 274 | }
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| 275 |
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| 276 | for (tries = 0; tries < MAXTRIES; tries++) {
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| 277 |
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| 278 | MouseWR("t"); /* ask the mouse its mode */
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| 279 |
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| 280 | if (MouseRD(M_strng, 2, M_ST_TM)) {
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| 281 |
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| 282 | M_error = M_NORESP;
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| 283 |
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| 284 | } else if (strcmp("VO", M_strng)) {
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| 285 |
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| 286 | M_error = M_RESPNG;
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| 287 |
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| 288 | if (MouseFL(M_FL_CT))
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| 289 | M_error = M_FLUSH;
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| 290 |
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| 291 | } else {
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| 292 |
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| 293 | M_error = M_NONE;
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| 294 | MouseRT(MATIME);
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| 295 |
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| 296 | #if DEBUGMS
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| 297 | if (debugms)
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| 298 | printf("MouseWK() -- SUCCESS\n");
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| 299 | #endif
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| 300 | return(SUCCESS);
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| 301 | }
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| 302 | }
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| 303 |
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| 304 | #if DEBUGMS
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| 305 | if (debugms)
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| 306 | printf("MouseWK() -- FAILURE\n");
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| 307 | #endif
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| 308 |
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| 309 | return(FAILURE);
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| 310 | }
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| 311 |
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| 312 |
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| 313 | /* |
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| 314 |
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| 315 | */
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[7258c6a] | 316 |
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[f40a309] | 317 | /*
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[7258c6a] | 318 | =============================================================================
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[f40a309] | 319 | MouseEX() -- process a mouse report
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| 320 | =============================================================================
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| 321 | */
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| 322 |
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| 323 | void MouseEX(int8_t *str)
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| 324 | {
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| 325 | uint16_t oldi, msc, mst;
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| 326 |
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| 327 | #if DEBUGMS
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| 328 | if (debugms > 2)
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| 329 | printf("REPORT %02.2X %02.2X %02.2X\n",
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| 330 | str[0] & 0x00FF, str[1] & 0x00FF, str[2] & 0x00FF);
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| 331 | #endif
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| 332 |
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| 333 | M_error = M_NONE; /* reset error code */
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| 334 |
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| 335 | if ((str[0] & 0x0040) NE 0x0040) {
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| 336 |
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| 337 | if (MouseFL(M_FL_CT))
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| 338 | M_error = M_FLUSH;
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| 339 | else
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| 340 | M_error = M_SYNC;
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| 341 |
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| 342 | M_state = 0;
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| 343 | MouseRT(MATIME);
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| 344 |
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| 345 | #if DEBUGMS
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| 346 | if (debugms)
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| 347 | printf("SYNC\n");
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| 348 | #endif
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| 349 |
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| 350 | return;
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| 351 | }
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| 352 |
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| 353 | mst = str[0] & 0x0030; /* extract mouse buttons */
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| 354 | msc = M_oldbs ^ mst; /* see what changed */
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| 355 | M_oldbs = mst; /* update button state */
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| 356 |
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| 357 | if (msc) { /* check for button status change */
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| 358 |
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| 359 | if (msc & 0x0010) { /* m key ? (right mouse button) */
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| 360 |
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| 361 | astat = (mst & 0x0010) >> 4;
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| 362 | (*m_key)();
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| 363 | }
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| 364 |
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| 365 | if (msc & 0x0020) { /* e key ? (left mouse button) */
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| 366 |
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| 367 | astat = (mst & 0x0020) >> 5;
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| 368 | (*e_key)();
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| 369 | }
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| 370 | }
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| 371 |
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| 372 | if ((ss_ptsw NE 0) OR (ss_sqsw NE 0)) {
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| 373 |
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| 374 | cxrate = 0;
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| 375 | cyrate = 0;
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| 376 | return;
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| 377 | }
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| 378 |
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| 379 | /* |
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| 380 |
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| 381 | */
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| 382 |
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| 383 | msxmov = str[1] | ((str[0] & 0x0003) << 6);
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| 384 |
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| 385 | if (msxmov & 0x0080)
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| 386 | msxmov |= 0xFF80;
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| 387 |
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| 388 | msxmov += msxres;
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| 389 |
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| 390 | msymov = str[2] + ((str[0] & 0x000C) << 4);
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| 391 |
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| 392 | if (msymov & 0x0080)
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| 393 | msymov |= 0xFF80;
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| 394 |
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| 395 | msymov += msyres;
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| 396 |
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| 397 | msxdiv = msxgdv[ndisp + 1];
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| 398 | msydiv = msygdv[ndisp + 1];
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| 399 |
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| 400 | /* calculate rates */
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| 401 |
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| 402 | if (msxdiv > 1)
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| 403 | cxrate = msxmov / msxdiv;
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| 404 | else
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| 405 | cxrate = msxmov;
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| 406 |
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| 407 | if (msydiv > 1)
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| 408 | cyrate = msymov / msydiv;
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| 409 | else
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| 410 | cyrate = msymov;
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| 411 |
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| 412 | /* calculate residues */
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| 413 |
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| 414 | if (msxdiv > 1)
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| 415 | msxres = msxmov % msxdiv;
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| 416 | else
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| 417 | msxres = 0;
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| 418 |
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| 419 | if (msydiv > 1)
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| 420 | msyres = msymov % msydiv;
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| 421 | else
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| 422 | msyres = 0;
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| 423 |
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| 424 | /* |
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| 425 |
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| 426 | */
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| 427 |
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| 428 | if ((cxrate EQ 0) AND (cyrate EQ 0)) /* we're done if nothing changed */
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| 429 | return;
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| 430 |
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| 431 | msctrl = TRUE; /* setup movement switches */
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| 432 | cmfirst = FALSE;
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| 433 | trkball = FALSE;
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| 434 |
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| 435 | cvtime = 0; /* clear delays */
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| 436 | ncvwait = 0;
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| 437 | chtime = 0;
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| 438 | nchwait = 0;
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| 439 | curhold = 0;
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| 440 |
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| 441 | if (NOT msflag) /* if mouse just started moving ... */
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| 442 | (*xy_dn)(); /* ... process key down */
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| 443 |
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| 444 | oldi = setipl(TIM_DI); /* set the mouse movement timer */
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| 445 | timers[MSTIMER] = MSTOVAL;
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| 446 | setipl(oldi);
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| 447 |
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| 448 | msflag = TRUE; /* indicate the mouse has started moving */
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| 449 | }
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| 450 |
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[7258c6a] | 451 | /* |
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[f40a309] | 452 |
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| 453 | */
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| 454 |
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| 455 | /*
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| 456 | =============================================================================
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| 457 | MouseIN() -- process a byte from the mouse
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| 458 | =============================================================================
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| 459 | */
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| 460 |
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| 461 | void MouseIN(int16_t c)
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| 462 | {
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| 463 | c &= 0x00FF; /* mask off extraneous bits from mouse input */
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| 464 |
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| 465 | #if DEBUGMS
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| 466 | if (debugms > 2)
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| 467 | printf("IN %d %02.2X\n", M_state, c);
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| 468 | #endif
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| 469 |
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| 470 | if ((M_state GE 0) AND (M_state < 3)) {
|
---|
| 471 |
|
---|
| 472 | M_strng[M_state] = c;
|
---|
| 473 |
|
---|
| 474 | if (M_state EQ 2) {
|
---|
| 475 |
|
---|
| 476 | MouseEX(M_strng);
|
---|
| 477 | M_state = 0;
|
---|
| 478 |
|
---|
| 479 | } else {
|
---|
| 480 |
|
---|
| 481 | ++M_state;
|
---|
| 482 | }
|
---|
| 483 | }
|
---|
| 484 | }
|
---|
| 485 |
|
---|
| 486 | /* |
---|
| 487 |
|
---|
| 488 | */
|
---|
| 489 |
|
---|
| 490 | #if DEBUGTF
|
---|
| 491 | /*
|
---|
| 492 | =============================================================================
|
---|
| 493 | tfdump() -- dump a trackball FIFO
|
---|
| 494 | =============================================================================
|
---|
| 495 | */
|
---|
| 496 |
|
---|
| 497 | tfdump(msg, fifo, ndx, fin, cnt)
|
---|
| 498 | char *msg;
|
---|
| 499 | register short *fifo, ndx, fin;
|
---|
| 500 | long cnt;
|
---|
| 501 | {
|
---|
| 502 | register short nol = 0, i = fin, j = fin - 1;
|
---|
| 503 |
|
---|
| 504 | printf("Dump of %s FIFO\n", msg);
|
---|
| 505 | printf(" ndx=%d fin=%d cnt=%ld\n", ndx, fin, cnt);
|
---|
| 506 |
|
---|
| 507 | if (j < 0)
|
---|
| 508 | j = NTKFIFO - 1;
|
---|
| 509 |
|
---|
| 510 | do {
|
---|
| 511 |
|
---|
| 512 | if (nol EQ 0)
|
---|
| 513 | printf(" ");
|
---|
| 514 |
|
---|
| 515 | if (i EQ ndx)
|
---|
| 516 | printf("<%2d ", fifo[i]);
|
---|
| 517 | else if (i EQ j)
|
---|
[9519422] | 518 | printf(" %2d> ", fifo[i]);
|
---|
[f40a309] | 519 | else
|
---|
| 520 | printf(" %2d ", fifo[i]);
|
---|
| 521 |
|
---|
| 522 | if (++nol GE 15) {
|
---|
| 523 |
|
---|
| 524 | printf("\n");
|
---|
| 525 | nol = 0;
|
---|
| 526 | }
|
---|
| 527 |
|
---|
| 528 | if (++i GE NTKFIFO)
|
---|
| 529 | i = 0;
|
---|
| 530 |
|
---|
| 531 | } while (i NE fin);
|
---|
| 532 |
|
---|
| 533 | if (nol)
|
---|
| 534 | printf("\n");
|
---|
| 535 |
|
---|
| 536 | printf("\n");
|
---|
| 537 | }
|
---|
[0580615] | 538 | #endif
|
---|
[f40a309] | 539 |
|
---|
[7258c6a] | 540 | /* |
---|
[f40a309] | 541 |
|
---|
| 542 | */
|
---|
| 543 |
|
---|
| 544 | /*
|
---|
| 545 | =============================================================================
|
---|
| 546 | wheel() -- process inputs from the scroll wheel
|
---|
| 547 | =============================================================================
|
---|
| 548 | */
|
---|
| 549 |
|
---|
| 550 | void wheel(void)
|
---|
| 551 | {
|
---|
| 552 | register int16_t i, oldi;
|
---|
| 553 |
|
---|
| 554 | if (astat) { /* if it's touched ... */
|
---|
| 555 |
|
---|
| 556 | if (NOT swflag) {
|
---|
| 557 |
|
---|
| 558 | /* GOING DOWN */
|
---|
| 559 |
|
---|
| 560 | swflag = TRUE;
|
---|
| 561 | swctrl = FALSE;
|
---|
| 562 | swfiin = 0;
|
---|
| 563 | swlast = aval;
|
---|
| 564 | swstop = swwait;
|
---|
| 565 | swcount = 0;
|
---|
| 566 |
|
---|
| 567 | for (i = 0; i < NSWFIFO; i++)
|
---|
| 568 | swfifo[i] = aval;
|
---|
| 569 | /* |
---|
| 570 |
|
---|
| 571 | */
|
---|
| 572 | } else { /* finger moved */
|
---|
| 573 |
|
---|
| 574 | if (0 EQ swstop) {
|
---|
| 575 |
|
---|
| 576 | swdelta = swlast - aval;
|
---|
| 577 |
|
---|
| 578 | if (swdelta GE swthr) {
|
---|
| 579 |
|
---|
| 580 | if ((clkctl EQ CK_STEP) OR
|
---|
| 581 | ((clkctl NE CK_STEP) AND
|
---|
| 582 | (NOT clkrun))) {
|
---|
| 583 |
|
---|
| 584 | /* FINGER MOVED LEFT */
|
---|
| 585 |
|
---|
| 586 | swtemp = swdelta / swthr;
|
---|
| 587 | oldi = setipl(TIM_DI);
|
---|
| 588 | fc_val += swtemp;
|
---|
| 589 |
|
---|
| 590 | if (fc_val GE 0x00FFFFFFL)
|
---|
| 591 | fc_val = 0x00FFFFFFL;
|
---|
| 592 |
|
---|
| 593 | setipl(oldi);
|
---|
| 594 | swlast = aval;
|
---|
| 595 | }
|
---|
| 596 |
|
---|
| 597 | } else if ((swdelta = abs(swdelta)) GE swthr) {
|
---|
| 598 |
|
---|
| 599 | if ((clkctl EQ CK_STEP) OR
|
---|
| 600 | ((clkctl NE CK_STEP) AND
|
---|
| 601 | (NOT clkrun))) {
|
---|
| 602 |
|
---|
| 603 | /* FINGER MOVED RIGHT */
|
---|
| 604 |
|
---|
| 605 | swtemp = swdelta / swthr;
|
---|
| 606 | oldi = setipl(TIM_DI);
|
---|
| 607 | fc_val -= swtemp;
|
---|
| 608 |
|
---|
| 609 | if (fc_val LT 0L)
|
---|
| 610 | fc_val = 0L;
|
---|
| 611 |
|
---|
| 612 | setipl(oldi);
|
---|
| 613 | swlast = aval;
|
---|
| 614 | }
|
---|
| 615 | }
|
---|
| 616 |
|
---|
| 617 | } else {
|
---|
| 618 |
|
---|
| 619 | swlast = aval;
|
---|
| 620 | --swstop;
|
---|
| 621 | }
|
---|
| 622 | }
|
---|
| 623 | /* |
---|
| 624 |
|
---|
| 625 | */
|
---|
| 626 | } else { /* FINGER UP */
|
---|
| 627 |
|
---|
| 628 | swlast = aval;
|
---|
| 629 | swflag = FALSE;
|
---|
| 630 | swctrl = FALSE;
|
---|
| 631 |
|
---|
| 632 | if ((clkctl EQ CK_STEP) OR
|
---|
| 633 | ((clkctl NE CK_STEP) AND
|
---|
| 634 | (NOT clkrun))) {
|
---|
| 635 |
|
---|
| 636 | swndx = swfiin - swback;
|
---|
| 637 |
|
---|
| 638 | if (swndx < 0)
|
---|
| 639 | swndx += NSWFIFO;
|
---|
| 640 |
|
---|
| 641 | swrate = swfifo[swndx] - swlast;
|
---|
| 642 |
|
---|
| 643 | if (swrate > swrmin) {
|
---|
| 644 |
|
---|
| 645 | swdir = D_FWD; /* SCROLL FORWARD */
|
---|
| 646 | swrate = swrtab[swrate - swrmin];
|
---|
| 647 | swctrl = TRUE;
|
---|
| 648 |
|
---|
| 649 | } else if ((swrate = abs(swrate)) > swrmin) {
|
---|
| 650 |
|
---|
| 651 | swdir = D_BAK; /* SCROLL BACKWARD */
|
---|
| 652 | swrate = swrtab[swrate - swrmin];
|
---|
| 653 | swctrl = TRUE;
|
---|
| 654 |
|
---|
| 655 | } else {
|
---|
| 656 |
|
---|
| 657 | swrate = 0L; /* STOP SCROLLING */
|
---|
[0580615] | 658 | }
|
---|
[f40a309] | 659 | }
|
---|
[7258c6a] | 660 | }
|
---|
[f40a309] | 661 | }
|
---|
| 662 |
|
---|
| 663 | /* |
---|
| 664 |
|
---|
| 665 | */
|
---|
| 666 |
|
---|
| 667 | /*
|
---|
| 668 | =============================================================================
|
---|
| 669 | txyup() -- process trackball -- both axes inactive
|
---|
| 670 | =============================================================================
|
---|
| 671 | */
|
---|
| 672 |
|
---|
| 673 | void txyup(void)
|
---|
| 674 | {
|
---|
| 675 | register int16_t txndx, tyndx, txrate, tyrate;
|
---|
| 676 |
|
---|
| 677 | #if DEBUGTF
|
---|
| 678 | if (debugtf)
|
---|
| 679 | printf("txyup(): both inactive\n");
|
---|
| 680 | #endif
|
---|
| 681 |
|
---|
| 682 | tkboth = FALSE; /* both axes inactive now */
|
---|
| 683 |
|
---|
| 684 | txdiv = 0; /* reset text cursor dividers */
|
---|
| 685 | tydiv = 0;
|
---|
| 686 |
|
---|
| 687 | if ((txndx = txfiin - tkback) < 0) /* get fifo index */
|
---|
| 688 | txndx += NTKFIFO; /* adjust index */
|
---|
| 689 |
|
---|
| 690 | txrate = txfifo[txndx] - txlast; /* get movement */
|
---|
| 691 |
|
---|
| 692 | #if DEBUGTF
|
---|
| 693 | if (debugtf)
|
---|
| 694 | tfdump("X", txfifo, txndx, txfiin, txficnt);
|
---|
| 695 | #endif
|
---|
| 696 |
|
---|
| 697 | if (txrate GE tkrmin)
|
---|
| 698 | cxrate = -cratex[txrate - tkrmin]; /* tracking left */
|
---|
| 699 | else if ((txrate = abs(txrate)) GE tkrmin)
|
---|
| 700 | cxrate = cratex[txrate - tkrmin]; /* tracking right */
|
---|
| 701 | else
|
---|
| 702 | cxrate = 0; /* X inactive */
|
---|
| 703 |
|
---|
| 704 | /* |
---|
| 705 |
|
---|
| 706 | */
|
---|
| 707 | if ((tyndx = tyfiin - tkback) < 0) /* get fifo index */
|
---|
| 708 | tyndx += NTKFIFO; /* adjust index */
|
---|
| 709 |
|
---|
| 710 | tyrate = tyfifo[tyndx] - tylast; /* get movement */
|
---|
| 711 |
|
---|
| 712 | #if DEBUGTF
|
---|
| 713 | if (debugtf)
|
---|
| 714 | tfdump("Y", tyfifo, tyndx, tyfiin, tyficnt);
|
---|
| 715 | #endif
|
---|
| 716 |
|
---|
| 717 | if (tyrate GE tkrmin)
|
---|
| 718 | cyrate = cratey[tyrate - tkrmin]; /* tracking down */
|
---|
| 719 | else if ((tyrate = abs(tyrate)) GE tkrmin)
|
---|
| 720 | cyrate = -cratey[tyrate - tkrmin]; /* tracking up */
|
---|
| 721 | else
|
---|
| 722 | cyrate = 0; /* Y inactive */
|
---|
| 723 |
|
---|
| 724 | if ((cxrate EQ 0) AND (cyrate EQ 0)) {
|
---|
| 725 |
|
---|
| 726 | tkctrl = FALSE; /* STOP -- both rates are zero */
|
---|
| 727 | (*xy_up)();
|
---|
| 728 |
|
---|
| 729 | } else {
|
---|
| 730 |
|
---|
| 731 | tkctrl = TRUE; /* ROLL -- some rate is non-zero */
|
---|
| 732 | }
|
---|
| 733 |
|
---|
| 734 | #if DEBUGTK
|
---|
[0580615] | 735 | if (debugtk)
|
---|
[f40a309] | 736 | printf("txyup(): %s rmin=%d txr=%d cxr=%d tyr=%d cyr=%d\n",
|
---|
[7258c6a] | 737 | tkctrl ? "ROLL" : "STOP", tkrmin, txrate, cxrate, tyrate, cyrate);
|
---|
[f40a309] | 738 | #endif
|
---|
| 739 |
|
---|
| 740 | }
|
---|
| 741 |
|
---|
| 742 | /* |
---|
| 743 |
|
---|
| 744 | */
|
---|
| 745 |
|
---|
| 746 | /*
|
---|
| 747 | =============================================================================
|
---|
| 748 | txydn() -- process trackball -- both axes active
|
---|
| 749 | =============================================================================
|
---|
| 750 | */
|
---|
| 751 |
|
---|
| 752 | void txydn(void)
|
---|
| 753 | {
|
---|
| 754 | register int16_t i;
|
---|
| 755 |
|
---|
| 756 | #if DEBUGTK
|
---|
| 757 | if (debugtk)
|
---|
| 758 | printf("txydn(): both active txlast=%d tylast=%d\n",
|
---|
| 759 | txlast, tylast);
|
---|
| 760 | #endif
|
---|
| 761 |
|
---|
| 762 | tkboth = TRUE; /* both down now */
|
---|
| 763 | (*xy_dn)();
|
---|
| 764 |
|
---|
| 765 | tkctrl = FALSE; /* stop rolling */
|
---|
| 766 | cxrate = 0;
|
---|
| 767 | cyrate = 0;
|
---|
| 768 |
|
---|
| 769 | txfiin = 0; /* preset the FIFOs */
|
---|
| 770 | tyfiin = 0;
|
---|
| 771 |
|
---|
| 772 | for (i = 0; i < NTKFIFO; i++) {
|
---|
| 773 |
|
---|
| 774 | txfifo[i] = txlast;
|
---|
| 775 | tyfifo[i] = tylast;
|
---|
[0580615] | 776 | }
|
---|
[f40a309] | 777 |
|
---|
[7258c6a] | 778 | #if DEBUGTF
|
---|
[f40a309] | 779 | txficnt = 0;
|
---|
| 780 | tyficnt = 0;
|
---|
| 781 | #endif
|
---|
| 782 | }
|
---|
| 783 |
|
---|
| 784 | /* |
---|
| 785 |
|
---|
| 786 | */
|
---|
| 787 |
|
---|
| 788 | /*
|
---|
| 789 | =============================================================================
|
---|
| 790 | txstd() -- process inputs from the trackball X axis
|
---|
| 791 | =============================================================================
|
---|
| 792 | */
|
---|
| 793 |
|
---|
| 794 | void txstd(void)
|
---|
| 795 | {
|
---|
| 796 | register int16_t i, oldcx, oldi, txdelta, txcdvr;
|
---|
| 797 |
|
---|
| 798 | trkball = TRUE; /* set trackball mode */
|
---|
| 799 | cmfirst = FALSE;
|
---|
| 800 | chtime = tktime;
|
---|
| 801 | nchwait = tktime;
|
---|
| 802 | chwait = tktime;
|
---|
| 803 |
|
---|
| 804 |
|
---|
| 805 | /* get rate divisor */
|
---|
| 806 |
|
---|
| 807 | txcdvr = (cmtype EQ CT_GRAF) ? tkthr : tkhdvr;
|
---|
| 808 |
|
---|
| 809 | if (astat) { /* is axis active ? */
|
---|
| 810 |
|
---|
| 811 | if (NOT txflag) {
|
---|
| 812 |
|
---|
| 813 | /* GOING ACTIVE */
|
---|
| 814 |
|
---|
| 815 | txflag = TRUE;
|
---|
| 816 | txstop = tkwait;
|
---|
| 817 | txlast = aval;
|
---|
| 818 |
|
---|
| 819 | if (tyflag AND (NOT tkboth))
|
---|
| 820 | txydn(); /* both active now */
|
---|
| 821 |
|
---|
| 822 | /* |
---|
| 823 |
|
---|
| 824 | */
|
---|
| 825 | } else { /* finger moved ? */
|
---|
| 826 |
|
---|
| 827 | if (txstop LE 0) { /* debounced ? */
|
---|
| 828 |
|
---|
| 829 | txdelta = txlast - aval;
|
---|
| 830 | oldcx = cxval;
|
---|
| 831 |
|
---|
| 832 | if (txdelta GE txcdvr) {
|
---|
| 833 |
|
---|
| 834 | /* FINGER MOVED LEFT */
|
---|
| 835 |
|
---|
| 836 | cxrate = -(txdelta / txcdvr);
|
---|
| 837 |
|
---|
| 838 | (*cx_upd)(); /* update cxval */
|
---|
| 839 |
|
---|
| 840 | if (oldcx NE cxval) /* new cxval ? */
|
---|
| 841 | (*curmove)(); /* move cursor */
|
---|
| 842 |
|
---|
| 843 | txlast = aval;
|
---|
| 844 | cxrate = 0;
|
---|
| 845 |
|
---|
| 846 | } else if ((txdelta = abs(txdelta)) GE txcdvr) {
|
---|
| 847 |
|
---|
| 848 | /* FINGER MOVED RIGHT */
|
---|
| 849 |
|
---|
| 850 | cxrate = txdelta / txcdvr;
|
---|
| 851 |
|
---|
| 852 | (*cx_upd)(); /* update cxval */
|
---|
| 853 |
|
---|
| 854 | if (oldcx NE cxval) /* new cxval ? */
|
---|
| 855 | (*curmove)(); /* move cursor */
|
---|
| 856 |
|
---|
| 857 | txlast = aval;
|
---|
| 858 | cxrate = 0;
|
---|
| 859 | }
|
---|
| 860 |
|
---|
| 861 | } else { /* debounce data */
|
---|
| 862 |
|
---|
| 863 | txlast = aval;
|
---|
| 864 | --txstop;
|
---|
| 865 | }
|
---|
| 866 | }
|
---|
| 867 | /* |
---|
| 868 |
|
---|
[0580615] | 869 | */
|
---|
[f40a309] | 870 | } else { /* AXIS GOING INACTIVE */
|
---|
[7258c6a] | 871 |
|
---|
[f40a309] | 872 | txlast = aval; /* get current value */
|
---|
| 873 | txflag = FALSE; /* X axis inactive */
|
---|
| 874 |
|
---|
| 875 | if (NOT tyflag) /* check other axis */
|
---|
| 876 | txyup(); /* both inactive now */
|
---|
| 877 | }
|
---|
| 878 | }
|
---|
| 879 |
|
---|
| 880 | /* |
---|
| 881 |
|
---|
| 882 | */
|
---|
| 883 |
|
---|
| 884 | /*
|
---|
| 885 | =============================================================================
|
---|
| 886 | tystd() -- process inputs from the trackball Y axis
|
---|
| 887 | =============================================================================
|
---|
| 888 | */
|
---|
| 889 |
|
---|
| 890 | void tystd(void)
|
---|
| 891 | {
|
---|
| 892 | register int16_t i, oldcy, oldi, tydelta, tycdvr;
|
---|
| 893 |
|
---|
| 894 | trkball = TRUE; /* set trackball mode */
|
---|
| 895 | cmfirst = FALSE;
|
---|
| 896 | cvtime = tktime;
|
---|
| 897 | ncvwait = tktime;
|
---|
| 898 | cvwait = tktime;
|
---|
| 899 |
|
---|
| 900 | /* get rate divisor */
|
---|
| 901 |
|
---|
| 902 | tycdvr = (cmtype EQ CT_GRAF) ? tkthr : tkvdvr;
|
---|
| 903 |
|
---|
| 904 | if (astat) { /* if axis active ? */
|
---|
| 905 |
|
---|
| 906 | if (NOT tyflag) {
|
---|
| 907 |
|
---|
| 908 | /* GOING ACTIVE */
|
---|
| 909 |
|
---|
| 910 | tyflag = TRUE;
|
---|
| 911 | tystop = tkwait;
|
---|
| 912 | tylast = aval;
|
---|
| 913 |
|
---|
| 914 | if (txflag AND (NOT tkboth))
|
---|
| 915 | txydn(); /* both active now */
|
---|
| 916 | /* |
---|
| 917 |
|
---|
| 918 | */
|
---|
| 919 | } else { /* finger moved ? */
|
---|
| 920 |
|
---|
| 921 | if (tystop LE 0) { /* debounced ? */
|
---|
| 922 |
|
---|
| 923 | tydelta = tylast - aval;
|
---|
| 924 | oldcy = cyval;
|
---|
| 925 |
|
---|
| 926 | if (tydelta GE tycdvr) {
|
---|
| 927 |
|
---|
| 928 | /* FINGER MOVED DOWN */
|
---|
| 929 |
|
---|
| 930 | cyrate = tydelta / tycdvr;
|
---|
| 931 |
|
---|
| 932 | (*cy_upd)(); /* update cyval */
|
---|
| 933 |
|
---|
| 934 | if (oldcy NE cyval) /* new cyval ? */
|
---|
| 935 | (*curmove)(); /* move cursor */
|
---|
| 936 |
|
---|
| 937 | tylast = aval;
|
---|
| 938 | cyrate = 0;
|
---|
| 939 |
|
---|
| 940 | } else if ((tydelta = abs(tydelta)) GE tycdvr) {
|
---|
| 941 |
|
---|
| 942 | /* FINGER MOVED UP */
|
---|
| 943 |
|
---|
| 944 | cyrate = -(tydelta / tycdvr);
|
---|
| 945 |
|
---|
| 946 | (*cy_upd)(); /* udpate cyval */
|
---|
| 947 |
|
---|
| 948 | if (oldcy NE cyval) /* new cyval ? */
|
---|
| 949 | (*curmove)(); /* move cursor */
|
---|
| 950 |
|
---|
| 951 | tylast = aval;
|
---|
| 952 | cyrate = 0;
|
---|
| 953 | }
|
---|
| 954 |
|
---|
| 955 | } else { /* debounce data */
|
---|
| 956 |
|
---|
| 957 | tylast = aval;
|
---|
| 958 | --tystop;
|
---|
| 959 | }
|
---|
[0580615] | 960 | }
|
---|
[f40a309] | 961 | /* |
---|
[7258c6a] | 962 |
|
---|
| 963 | */
|
---|
| 964 | } else { /* AXIS GOING INACTIVE */
|
---|
[f40a309] | 965 |
|
---|
| 966 | tylast = aval; /* get current value */
|
---|
| 967 | tyflag = FALSE; /* Y axis inactive */
|
---|
| 968 |
|
---|
| 969 | if (NOT txflag) /* check other axis */
|
---|
| 970 | txyup(); /* both inactive now */
|
---|
| 971 | }
|
---|
| 972 | }
|
---|
| 973 |
|
---|
| 974 | /* |
---|
| 975 |
|
---|
| 976 | */
|
---|
| 977 |
|
---|
| 978 | /*
|
---|
| 979 | =============================================================================
|
---|
| 980 | curproc() -- process cursor trackball and scroll wheel updates
|
---|
| 981 | =============================================================================
|
---|
| 982 | */
|
---|
| 983 |
|
---|
| 984 | void curproc(void)
|
---|
| 985 | {
|
---|
| 986 | register int16_t i, cxprev, cyprev;
|
---|
| 987 | int16_t oldcx, oldcy;
|
---|
| 988 | register uint16_t oldi;
|
---|
| 989 |
|
---|
| 990 | /* SET CURRENT WAIT COUNTS FROM TIMERS */
|
---|
| 991 |
|
---|
| 992 | chwait = timers[TXTIMER];
|
---|
| 993 | cvwait = timers[TYTIMER];
|
---|
| 994 |
|
---|
| 995 | if (trkball) { /* are we tracking ? */
|
---|
| 996 |
|
---|
| 997 | if (txflag AND (chwait LE 0)) {
|
---|
| 998 |
|
---|
| 999 | /* SAMPLE THE TRACKBALL X AXIS */
|
---|
| 1000 |
|
---|
| 1001 | txfifo[txfiin] = sigtab[55][0];
|
---|
| 1002 |
|
---|
| 1003 | #if DEBUGTF
|
---|
| 1004 | ++txficnt;
|
---|
| 1005 | #endif
|
---|
| 1006 |
|
---|
[7258c6a] | 1007 | if (++txfiin GE NTKFIFO)
|
---|
[f40a309] | 1008 | txfiin = 0;
|
---|
| 1009 | }
|
---|
| 1010 |
|
---|
| 1011 | if (tyflag AND (cvwait LE 0)) {
|
---|
| 1012 |
|
---|
| 1013 | /* SAMPLE THE TRACKBALL Y AXIS */
|
---|
| 1014 |
|
---|
| 1015 | tyfifo[tyfiin] = sigtab[56][0];
|
---|
| 1016 |
|
---|
| 1017 | #if DEBUGTF
|
---|
| 1018 | ++tyficnt;
|
---|
| 1019 | #endif
|
---|
| 1020 |
|
---|
| 1021 | if (++tyfiin GE NTKFIFO)
|
---|
| 1022 | tyfiin = 0;
|
---|
| 1023 | }
|
---|
| 1024 | }
|
---|
| 1025 | /* |
---|
| 1026 |
|
---|
| 1027 | */
|
---|
| 1028 | /* PROCESS MOUSE INPUTS */
|
---|
| 1029 |
|
---|
| 1030 | if (BIOS(B_RDAV, PRT_DEV)) {
|
---|
| 1031 |
|
---|
| 1032 | MouseIN((int16_t)BIOS(B_GETC, PRT_DEV));
|
---|
| 1033 |
|
---|
| 1034 | MouseRT(MATIME); /* reset mouse activity timer */
|
---|
| 1035 | }
|
---|
| 1036 |
|
---|
| 1037 | /* PROCESS THE CURSORS */
|
---|
| 1038 |
|
---|
| 1039 | if (cvwait LE 0) { /* has the vertical timer run out ? */
|
---|
| 1040 |
|
---|
| 1041 | if (ss_ptsw) /* see if the patches need scrolled */
|
---|
| 1042 | smy_up(ss_ptsw); /* scroll the patch display */
|
---|
| 1043 |
|
---|
| 1044 | if (ss_sqsw) /* see if the sequences need scrolled */
|
---|
| 1045 | sqy_up(ss_sqsw); /* scroll the sequence display */
|
---|
| 1046 | }
|
---|
| 1047 |
|
---|
| 1048 | if (msctrl OR /* is the mouse moving ? */
|
---|
| 1049 | (cvwait LE 0) OR (chwait LE 0)) { /* has X or Y timer runout ? */
|
---|
| 1050 |
|
---|
| 1051 | if (msctrl OR tkctrl OR (xkstat AND ykstat)) { /* cursor moving ? */
|
---|
| 1052 |
|
---|
| 1053 | oldcx = cxrate; /* save old cxrate, cyrate */
|
---|
| 1054 | oldcy = cyrate;
|
---|
| 1055 | cxprev = cxval; /* save old cxval, cyval */
|
---|
| 1056 | cyprev = cyval;
|
---|
| 1057 | vtprow = vtcrow; /* save old vtrow, vtcol */
|
---|
| 1058 | vtpcol = vtccol;
|
---|
| 1059 |
|
---|
| 1060 | if (NOT msctrl) /* if it's not the mouse ... */
|
---|
| 1061 | cmfix(); /* ... adjust the rates */
|
---|
| 1062 |
|
---|
| 1063 | /* |
---|
| 1064 |
|
---|
| 1065 | */
|
---|
| 1066 | if ((cxrate NE 0) AND (msctrl OR (chwait LE 0))) /* UPDATE X VALUES */
|
---|
| 1067 | (*cx_upd)();
|
---|
| 1068 |
|
---|
| 1069 | if ((cyrate NE 0) AND (msctrl OR (cvwait LE 0))) /* UPDATE Y VALUES */
|
---|
| 1070 | (*cy_upd)();
|
---|
| 1071 |
|
---|
| 1072 | cxrate = oldcx;
|
---|
| 1073 | cyrate = oldcy;
|
---|
| 1074 |
|
---|
| 1075 | /* see if cursor should be moved */
|
---|
| 1076 |
|
---|
| 1077 | if ( (cxprev NE cxval) OR (cyprev NE cyval) OR
|
---|
| 1078 | (vtprow NE vtcrow) OR (vtpcol NE vtccol) ) {
|
---|
| 1079 |
|
---|
| 1080 | (*curmove)(); /* MOVE CURSOR */
|
---|
| 1081 |
|
---|
| 1082 | if (ebflag) { /* FIXUP EDIT BUFFER */
|
---|
| 1083 |
|
---|
| 1084 | if ((struct fet *)NULL NE curfet) {
|
---|
| 1085 |
|
---|
| 1086 | if (infield(stcrow, stccol, curfet)) {
|
---|
| 1087 |
|
---|
| 1088 | if ((cfetp NE NULL) AND
|
---|
| 1089 | (cfetp NE infetp)) {
|
---|
| 1090 |
|
---|
| 1091 | (*cfetp->redisp)(cfetp->ftags);
|
---|
| 1092 | ebflag = FALSE;
|
---|
| 1093 | }
|
---|
| 1094 |
|
---|
| 1095 | } else { /* isn't in a field */
|
---|
| 1096 |
|
---|
| 1097 | if (cfetp NE NULL)
|
---|
| 1098 | (*cfetp->redisp)(cfetp->ftags);
|
---|
| 1099 |
|
---|
| 1100 | ebflag = FALSE;
|
---|
| 1101 | }
|
---|
| 1102 |
|
---|
| 1103 | } else { /* no fet, no field */
|
---|
| 1104 |
|
---|
| 1105 | ebflag = FALSE;
|
---|
| 1106 | }
|
---|
| 1107 | }
|
---|
| 1108 | }
|
---|
| 1109 | }
|
---|
| 1110 | }
|
---|
| 1111 | /* |
---|
| 1112 |
|
---|
| 1113 | */
|
---|
| 1114 | /* CHECK THE MOUSE MOTION TIMER */
|
---|
| 1115 |
|
---|
| 1116 | if (msflag AND (0 EQ timers[MSTIMER])) {
|
---|
| 1117 |
|
---|
| 1118 | (*xy_up)(); /* indicate key up */
|
---|
| 1119 |
|
---|
| 1120 | msflag = FALSE; /* indicate mouse stopped */
|
---|
| 1121 | }
|
---|
| 1122 |
|
---|
| 1123 | msctrl = FALSE; /* indicate mouse movement processed */
|
---|
| 1124 |
|
---|
| 1125 |
|
---|
| 1126 | /* CHECK THE MOUSE ACTIVITY TIMER */
|
---|
| 1127 |
|
---|
| 1128 | if (0 EQ timers[MUTIMER]) {
|
---|
| 1129 |
|
---|
| 1130 | if (M_state)
|
---|
| 1131 | if (MouseFL(M_FL_CT))
|
---|
| 1132 | M_error = M_FLUSH;
|
---|
| 1133 |
|
---|
| 1134 | M_state = 0;
|
---|
| 1135 | MouseRT(MATIME);
|
---|
| 1136 |
|
---|
| 1137 | #if DEBUGMS
|
---|
| 1138 | if (debugms > 1)
|
---|
| 1139 | printf("MRESET\n");
|
---|
| 1140 | #endif
|
---|
| 1141 | }
|
---|
| 1142 |
|
---|
| 1143 | /* |
---|
| 1144 |
|
---|
| 1145 | */
|
---|
| 1146 | /* UPDATE THE CURSOR TIMERS */
|
---|
| 1147 |
|
---|
| 1148 | if (cvwait LE 0) { /* reset vertical timer */
|
---|
| 1149 |
|
---|
| 1150 | cvwait = ncvwait;
|
---|
| 1151 | ncvwait = cvtime;
|
---|
| 1152 |
|
---|
| 1153 | oldi = setipl(TIM_DI);
|
---|
| 1154 | timers[TYTIMER] = cvwait;
|
---|
| 1155 | setipl(oldi);
|
---|
| 1156 | }
|
---|
| 1157 |
|
---|
| 1158 |
|
---|
| 1159 | if (chwait LE 0) { /* reset horizontal timer */
|
---|
| 1160 |
|
---|
| 1161 | chwait = nchwait;
|
---|
| 1162 | nchwait = chtime;
|
---|
| 1163 |
|
---|
| 1164 | oldi = setipl(TIM_DI);
|
---|
| 1165 | timers[TXTIMER] = chwait;
|
---|
| 1166 | setipl(oldi);
|
---|
| 1167 | }
|
---|
| 1168 | /* |
---|
| 1169 |
|
---|
| 1170 | */
|
---|
| 1171 | /* PROCESS THE SCROLL WHEEL */
|
---|
| 1172 |
|
---|
| 1173 | if (0 EQ timers[SWTIMER]) { /* is it time ? */
|
---|
| 1174 |
|
---|
| 1175 | if (swflag) { /* SAMPLE THE SCROLL WHEEL */
|
---|
| 1176 |
|
---|
| 1177 | swfifo[swfiin] = sigtab[59][0];
|
---|
| 1178 |
|
---|
| 1179 | if (++swfiin GE NSWFIFO)
|
---|
| 1180 | swfiin = 0;
|
---|
| 1181 | }
|
---|
| 1182 |
|
---|
| 1183 | if (swctrl) { /* SCROLL ... */
|
---|
| 1184 |
|
---|
| 1185 | swtemp = swcount + swrate;
|
---|
| 1186 | swcount = swtemp & 0x0000FFFFL;
|
---|
| 1187 | swtemp >>= 16;
|
---|
| 1188 |
|
---|
| 1189 | if (swdir EQ D_FWD) { /* ... FORWARD */
|
---|
| 1190 |
|
---|
| 1191 | oldi = setipl(TIM_DI);
|
---|
| 1192 | fc_val += swtemp;
|
---|
| 1193 |
|
---|
| 1194 | if (fc_val GE 0x00FFFFFFL) {
|
---|
| 1195 |
|
---|
| 1196 | swctrl = FALSE;
|
---|
| 1197 | fc_val = 0x00FFFFFFL;
|
---|
| 1198 | }
|
---|
| 1199 |
|
---|
| 1200 | setipl(oldi);
|
---|
| 1201 |
|
---|
| 1202 | } else { /* ... BACKWARD */
|
---|
| 1203 |
|
---|
| 1204 | oldi = setipl(TIM_DI);
|
---|
| 1205 | fc_val -= swtemp;
|
---|
| 1206 |
|
---|
[0580615] | 1207 | if (fc_val < 0) {
|
---|
[f40a309] | 1208 |
|
---|
| 1209 | swctrl = FALSE;
|
---|
| 1210 | fc_val = 0L;
|
---|
| 1211 | }
|
---|
| 1212 |
|
---|
| 1213 | setipl(oldi);
|
---|
| 1214 | }
|
---|
| 1215 | }
|
---|
| 1216 | /* |
---|
| 1217 |
|
---|
| 1218 | */
|
---|
| 1219 | if (swflag OR swctrl) { /* RESET THE SCROLL TIMER */
|
---|
| 1220 |
|
---|
[6262b5c] | 1221 | oldi = setipl(TIM_DI);
|
---|
| 1222 | timers[SWTIMER] = swtime;
|
---|
| 1223 | setipl(oldi);
|
---|
| 1224 | }
|
---|
| 1225 | }
|
---|
| 1226 | }
|
---|
| 1227 |
|
---|
| 1228 | /* |
---|
| 1229 |
|
---|
| 1230 | */
|
---|
| 1231 |
|
---|
| 1232 | /*
|
---|
| 1233 | =============================================================================
|
---|
| 1234 | tkinit() -- initialize trackball variables
|
---|
| 1235 | =============================================================================
|
---|
| 1236 | */
|
---|
| 1237 |
|
---|
| 1238 | void tkinit(void)
|
---|
| 1239 | {
|
---|
| 1240 | trkball = FALSE; /* stop the trackball */
|
---|
| 1241 | txflag = FALSE; /* ... */
|
---|
| 1242 | tyflag = FALSE; /* ... */
|
---|
| 1243 | tkctrl = FALSE; /* ... */
|
---|
| 1244 | tkboth = FALSE; /* ... */
|
---|
| 1245 |
|
---|
| 1246 | memsetw(txfifo, 0, NTKFIFO); /* clear trackball X fifo */
|
---|
| 1247 | txfiin = 0; /* ... */
|
---|
| 1248 |
|
---|
| 1249 | memsetw(tyfifo, 0, NTKFIFO); /* clear trackball Y fifo */
|
---|
| 1250 | tyfiin = 0; /* ... */
|
---|
| 1251 | }
|
---|
| 1252 |
|
---|