[f40a309] | 1 | /*
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| 2 | =============================================================================
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| 3 | stmproc.c -- MIDAS-VII Patch facility support functions
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| 4 | Version 33 -- 1988-12-06 -- D.N. Lynx Crowe
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| 5 | =============================================================================
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| 6 | */
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| 7 |
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| 8 | #define DEBUGDP 0
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| 9 | #define DEBUGEP 0
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| 10 | #define DEBUGFD 0
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| 11 | #define DEBUGFP 0
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| 12 | #define DEBUGSR 0
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| 13 |
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| 14 | #define PATCHDEF /* so patch.h gets it right */
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| 15 |
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[b28a12e] | 16 | #include "ram.h"
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[f40a309] | 17 |
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| 18 | #if DEBUGDP
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| 19 | short debugdp = 1;
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| 20 | #endif
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| 21 |
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| 22 | #if DEBUGEP
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| 23 | short debugep = 0;
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| 24 | short snapep = 1;
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| 25 | #endif
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| 26 |
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| 27 | #if DEBUGFD
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| 28 | short debugfd = 0;
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| 29 | #endif
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| 30 |
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| 31 | #if DEBUGFP
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| 32 | short debugfp = 1;
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| 33 | #endif
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| 34 |
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| 35 | #if DEBUGSR
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| 36 | short debugsr = 1;
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| 37 | short snapsr = 1;
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| 38 | #endif
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| 39 |
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[7258c6a] | 40 | uint16_t dtfree; /* defent free list index */
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| 41 | uint16_t ptfree; /* patch free list index */
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[f40a309] | 42 |
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[7258c6a] | 43 | uint16_t dpepred; /* defent predecessor index */
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| 44 | uint16_t dpecpos; /* current defent index */
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| 45 | uint16_t dpesucc; /* defent successor index */
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[f40a309] | 46 |
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[7258c6a] | 47 | int8_t ptdsbuf[50]; /* patch display build buffer */
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[f40a309] | 48 |
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[7258c6a] | 49 | int8_t defptr[NDEFSTMS]; /* definition index table */
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| 50 | int8_t stmptr[NDEFSTMS]; /* stimulus index table */
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[f40a309] | 51 |
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| 52 | struct defent defents[RAWDEFS]; /* definition control table */
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| 53 |
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| 54 | struct patch patches[MAXPATCH]; /* patch table */
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| 55 |
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| 56 | struct wordq ptefifo; /* patch trigger fifo header */
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| 57 |
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[7258c6a] | 58 | uint16_t ptewrds[NPTEQELS]; /* patch trigger fifo entries */
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[f40a309] | 59 |
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[7258c6a] | 60 | int8_t dmatch[] = { /* addat1 match tags */
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[f40a309] | 61 |
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| 62 | 0, 0, 0, 0, 0, 0, 0, 0, /* 0 .. 7 */
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| 63 | 0, 0, 0, 1, 0, 0, 0, 0, /* 8 .. 15 */
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| 64 | 1, 1, 1, 1, 1, 1, 1, 1, /* 16 .. 23 */
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| 65 | 1, 1, 1 /* 24 .. 26 */
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| 66 | };
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| 67 |
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| 68 | /*
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| 69 | =============================================================================
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| 70 | initpt() -- initialize patch table data structure
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| 71 | =============================================================================
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| 72 | */
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| 73 |
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[0580615] | 74 | void initpt(void)
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[f40a309] | 75 | {
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[7258c6a] | 76 | register uint16_t i;
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[f40a309] | 77 |
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| 78 | /* initialize the trigger fifo */
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| 79 |
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| 80 | setwq(&ptefifo, ptewrds, NPTEQELS, NPTEQHI, NPTEQLO);
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| 81 |
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| 82 | /* clear DEF / STM index tables */
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| 83 |
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| 84 | memset(defptr, 0, sizeof defptr);
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| 85 | memset(stmptr, 0, sizeof stmptr);
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| 86 |
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| 87 | /* setup patch free chain */
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| 88 |
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| 89 | memset(patches, 0, sizeof patches);
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| 90 |
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| 91 | for (i = 1; i < 255; i++)
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| 92 | patches[i].nextstm = 1 + i;
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| 93 |
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| 94 | ptfree = 1;
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| 95 |
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| 96 | /* setup defent free chain */
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| 97 |
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| 98 | memset(defents, 0, sizeof defents);
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| 99 |
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| 100 | for (i = 1; i < 255; i++)
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| 101 | defents[i].nextdef = 1 + i;
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| 102 |
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| 103 | dtfree = 1;
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| 104 | }
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| 105 |
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| 106 | /*
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| 107 | =============================================================================
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| 108 | pt_alc() -- allocate a patch table entry from the free list
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| 109 | =============================================================================
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| 110 | */
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| 111 |
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[7258c6a] | 112 | uint16_t pt_alc(void)
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[f40a309] | 113 | {
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[7258c6a] | 114 | register uint16_t pe;
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[f40a309] | 115 |
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| 116 | if (0 NE (pe = ptfree))
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| 117 | ptfree = patches[pe].nextstm;
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| 118 |
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| 119 | return(pe);
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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 | pt_del() -- return a patch table entry to the free list
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| 125 | =============================================================================
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| 126 | */
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| 127 |
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[7258c6a] | 128 | void pt_del(uint16_t pe)
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[f40a309] | 129 | {
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| 130 | patches[pe].nextstm = ptfree;
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| 131 | ptfree = pe;
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| 132 | }
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| 133 |
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| 134 | /*
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| 135 | =============================================================================
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| 136 | dt_alc() -- allocate a def table entry from the free list
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| 137 | =============================================================================
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| 138 | */
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| 139 |
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[7258c6a] | 140 | uint16_t dt_alc(void)
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[f40a309] | 141 | {
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[7258c6a] | 142 | register uint16_t de;
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[f40a309] | 143 |
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| 144 | if (0 NE (de = dtfree))
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| 145 | dtfree = defents[de].nextdef;
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| 146 |
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| 147 | return(de);
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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 | dt_del() -- return a def table entry to the free list
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| 153 | =============================================================================
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| 154 | */
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| 155 |
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[7258c6a] | 156 | void dt_del(uint16_t de)
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[f40a309] | 157 | {
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| 158 | defents[de].nextdef = dtfree;
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| 159 | dtfree = de;
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| 160 | }
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| 161 |
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| 162 | /*
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| 163 | =============================================================================
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| 164 | cprdpe() -- compare patch buffer to def table entry
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| 165 |
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| 166 | Returns:
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| 167 | -1 = buffer < table entry
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| 168 | 0 = buffer EQ table entry
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| 169 | +1 = buffer > table entry
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| 170 | =============================================================================
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| 171 | */
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| 172 |
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[7258c6a] | 173 | int16_t cprdpe(uint16_t np)
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[f40a309] | 174 | {
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[7258c6a] | 175 | register uint16_t ca, cb, ct;
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[f40a309] | 176 | register struct defent *pp;
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| 177 |
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| 178 | pp = &defents[np];
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| 179 |
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| 180 | if ((cb = ptestm) < (ct = pp->stm))
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| 181 | return(-1);
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| 182 |
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| 183 | if (cb > ct)
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| 184 | return(1);
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| 185 |
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| 186 | if ((ca = (PE_SPEC & ptespec)) < (ct = (PE_SPEC & pp->adspec)))
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| 187 | return(-1);
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| 188 |
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| 189 | if (ca > ct)
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| 190 | return(1);
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| 191 |
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| 192 | if ((cb = ptesuba) < (ct = pp->adsuba))
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| 193 | return(-1);
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| 194 |
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| 195 | if (cb > ct)
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| 196 | return(1);
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[fa38804] | 197 |
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[f40a309] | 198 | /* check for extended destinations -- they need further testing */
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| 199 |
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| 200 | if (dmatch[ca]) { /* check destination type */
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| 201 |
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| 202 | if ((cb = ptedat1) < (ct = pp->addat1))
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| 203 | return(-1);
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| 204 |
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| 205 | if (cb > ct)
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| 206 | return(1);
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| 207 | else
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| 208 | return(0);
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| 209 |
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| 210 | } else {
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| 211 |
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| 212 | return(0);
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| 213 | }
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| 214 | }
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| 215 |
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| 216 | /*
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| 217 | =============================================================================
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| 218 | finddpe() -- find def table entry
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| 219 |
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| 220 | Returns: +1 = new def -- no DEF entry yet
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| 221 | 0 = old def -- entry found in DEF chain
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| 222 | -1 = new def -- entry not in DEF chain
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| 223 |
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| 224 | Sets: dpepred predecessor index, or 0 if none exists
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| 225 | dpecpos def table index, or 0 if none exists
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| 226 | dpesucc successor index, or 0 if none exists
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| 227 | =============================================================================
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| 228 | */
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| 229 |
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[7258c6a] | 230 | int16_t finddpe(void)
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[f40a309] | 231 | {
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[7258c6a] | 232 | register uint16_t c, idef;
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[f40a309] | 233 |
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| 234 | dpepred = 0; /* initialize dpepred = 0 (no predecessor) */
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| 235 | dpecpos = 0; /* initialize dpecpos = 0 (no current defent */
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| 236 | dpesucc = 0; /* initialize dpesucc = 0 (no successor) */
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| 237 |
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| 238 | #if DEBUGFD
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| 239 | if (debugsw AND debugfd) {
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| 240 |
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| 241 | printf("finddpe(): entry\n");
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| 242 |
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| 243 | printf(" ptb $%04.4X $%04.4X $%04.4X $%04.4X $%04.4X $%04.4X\n",
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| 244 | ptebuf.defnum, ptebuf.stmnum, ptebuf.paspec,
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| 245 | ptebuf.pasuba, ptebuf.padat1, ptebuf.padat2);
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| 246 | }
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| 247 | #endif
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| 248 |
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| 249 | /* try to find the DEF chain index for the defent in defptr[] */
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| 250 |
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| 251 | if (0 EQ (idef = defptr[TRG_MASK & ptebuf.defnum])) {
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| 252 |
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| 253 | #if DEBUGFD
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| 254 | if (debugsw AND debugfd) {
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| 255 |
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| 256 | printf("finddpe(): 1 -- NO DEF -- ");
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| 257 | printf("dpe pred: %3d cpos: %3d succ: %3d\n",
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| 258 | dpepred, dpecpos, dpesucc);
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| 259 | }
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| 260 | #endif
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| 261 |
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| 262 | return(1); /* +1 = new defent -- no DEF entry yet */
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| 263 | }
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| 264 |
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| 265 | while (idef) { /* search the DEF chain */
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| 266 |
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| 267 | /* compare ptebuf to defents[idef] */
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| 268 |
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| 269 | if (1 NE (c = cprdpe(idef))) {
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| 270 |
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| 271 | if (c EQ 0) { /* if we find the defent ... */
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| 272 |
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| 273 | dpecpos = idef; /* ... point at it */
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| 274 | dpesucc = defents[idef].nextdef;
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| 275 |
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| 276 | }
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| 277 |
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| 278 | #if DEBUGFD
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| 279 | if (debugsw AND debugfd) {
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| 280 |
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| 281 | printf("finddpe(): %d -- %s -- ", c,
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| 282 | c ? "NOT FOUND (>)" : "FOUND");
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| 283 |
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| 284 | printf("dpe pred: %3d cpos: %3d succ: %3d\n",
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| 285 | dpepred, dpecpos, dpesucc);
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| 286 | }
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| 287 | #endif
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| 288 | return(c); /* return search result */
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| 289 | }
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| 290 |
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| 291 | dpepred = idef; /* point at next entry in DEF chain */
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| 292 | idef = defents[idef].nextdef;
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| 293 | }
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| 294 |
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| 295 | #if DEBUGFD
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| 296 | if (debugsw AND debugfd) {
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| 297 |
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| 298 | printf("finddpe(): -1 -- NOT FOUND (<) -- ");
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| 299 | printf("dpe pred: %3d cpos: %3d succ: %3d\n",
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| 300 | dpepred, dpecpos, dpesucc);
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| 301 | }
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| 302 | #endif
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| 303 |
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| 304 | return(-1); /* -1 = new defent -- entry not in DEF chain */
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| 305 | }
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| 306 |
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| 307 | /*
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| 308 | =============================================================================
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| 309 | cprpte() -- compare patch buffer to patch table entry
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| 310 |
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| 311 | Returns:
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| 312 | -1 = buffer < table entry
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| 313 | 0 = buffer EQ table entry
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| 314 | +1 = buffer > table entry
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| 315 | =============================================================================
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| 316 | */
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| 317 |
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[7258c6a] | 318 | int16_t cprpte(uint16_t np)
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[f40a309] | 319 | {
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[7258c6a] | 320 | register uint16_t ca, cb, ct;
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[f40a309] | 321 | register struct patch *pb, *pp;
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| 322 |
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| 323 | pb = &ptebuf;
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| 324 | pp = &patches[np];
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| 325 |
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| 326 | if ((cb = pb->stmnum) < (ct = pp->stmnum))
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| 327 | return(-1);
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| 328 |
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| 329 | if (cb > ct)
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| 330 | return(1);
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| 331 |
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| 332 | if ((cb = pb->defnum) < (ct = pp->defnum))
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| 333 | return(-1);
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| 334 |
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| 335 | if (cb > ct)
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| 336 | return(1);
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| 337 |
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| 338 | if ((ca = (PE_SPEC & pb->paspec)) < (ct = (PE_SPEC & pp->paspec)))
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| 339 | return(-1);
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| 340 |
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| 341 | if (ca > ct)
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| 342 | return(1);
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| 343 |
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| 344 | if ((cb = pb->pasuba) < (ct = pp->pasuba))
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| 345 | return(-1);
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| 346 |
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| 347 | if (cb > ct)
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| 348 | return(1);
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[fa38804] | 349 |
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[f40a309] | 350 | /* check for extended destinations -- they need further testing */
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| 351 |
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| 352 | if (dmatch[ca]) { /* check destination type */
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| 353 |
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| 354 | if ((cb = pb->padat1) < (ct = pp->padat1))
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| 355 | return(-1);
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| 356 |
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| 357 | if (cb > ct)
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| 358 | return(1);
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| 359 | else
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| 360 | return(0);
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| 361 |
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| 362 | } else {
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| 363 |
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| 364 | return(0);
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| 365 | }
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| 366 | }
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| 367 |
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| 368 | /*
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| 369 | =============================================================================
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| 370 | findpte() -- find patch table entry
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| 371 |
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| 372 | Returns: +1 = new patch -- no STM entry yet
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| 373 | 0 = old patch -- entry found in STM chain
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| 374 | -1 = new patch -- entry not in STM chain
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| 375 |
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| 376 | Sets: ptepred predecessor index, or 0 if none exists
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| 377 | ptecpos patch table index, or 0 if none exists
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| 378 | ptesucc successor index, or 0 if none exists
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| 379 | =============================================================================
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| 380 | */
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| 381 |
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[7258c6a] | 382 | int16_t findpte(void)
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[f40a309] | 383 | {
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[7258c6a] | 384 | register uint16_t c, istim;
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[f40a309] | 385 |
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| 386 | ptepred = 0; /* initialize ptepred = 0 (no predecessor) */
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| 387 | ptecpos = 0; /* initialize ptecpos = 0 (no current patch */
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| 388 | ptesucc = 0; /* initialize ptesucc = 0 (no successor) */
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| 389 |
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| 390 | #if DEBUGFP
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| 391 | if (debugsw AND debugfp) {
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| 392 |
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| 393 | printf("findpte(): entry\n");
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| 394 |
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| 395 | printf(" ptb $%04.4X $%04.4X $%04.4X $%04.4X $%04.4X $%04.4X\n",
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| 396 | ptebuf.defnum, ptebuf.stmnum, ptebuf.paspec,
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| 397 | ptebuf.pasuba, ptebuf.padat1, ptebuf.padat2);
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| 398 | }
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| 399 | #endif
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| 400 |
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| 401 | /* try to find the STM chain index for the patch in stmptr[] */
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| 402 |
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| 403 | if (0 EQ (istim = stmptr[TRG_MASK & ptebuf.stmnum])) {
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| 404 |
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| 405 | #if DEBUGFP
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| 406 | if (debugsw AND debugfp) {
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| 407 |
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| 408 | printf("findpte(): 1 -- NO STM -- ");
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| 409 | printf("pte pred: %3d cpos: %3d succ: %3d\n",
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| 410 | ptepred, ptecpos, ptesucc);
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| 411 | }
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| 412 | #endif
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| 413 |
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| 414 | return(1); /* +1 = new patch -- no STM entry yet */
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| 415 | }
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| 416 |
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| 417 | while (istim) { /* search the STM chain */
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| 418 |
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| 419 | /* compare ptebuf to patches[istim] */
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| 420 |
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| 421 | if (1 NE (c = cprpte(istim))) {
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| 422 |
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| 423 | if (c EQ 0) { /* if we find the patch ... */
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| 424 |
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| 425 | ptecpos = istim; /* ... point at it */
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| 426 | ptesucc = patches[istim].nextstm;
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| 427 |
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| 428 | }
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| 429 |
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| 430 | #if DEBUGFP
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| 431 | if (debugsw AND debugfp) {
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| 432 |
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| 433 | printf("findpte(): %d -- %s -- ", c,
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| 434 | c ? "NOT FOUND (>)" : "FOUND");
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| 435 |
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| 436 | printf("pte pred: %3d cpos: %3d succ: %3d\n",
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| 437 | ptepred, ptecpos, ptesucc);
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| 438 | }
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| 439 | #endif
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| 440 | return(c); /* return search result */
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| 441 | }
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| 442 |
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| 443 | ptepred = istim; /* point at next entry in STM chain */
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| 444 | istim = patches[istim].nextstm;
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| 445 | }
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| 446 |
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| 447 | #if DEBUGFP
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| 448 | if (debugsw AND debugfp) {
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| 449 |
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| 450 | printf("findpte(): -1 -- NOT FOUND (<) -- ");
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| 451 | printf("pte pred: %3d cpos: %3d succ: %3d\n",
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| 452 | ptepred, ptecpos, ptesucc);
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| 453 | }
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| 454 | #endif
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| 455 |
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| 456 | return(-1); /* -1 = new patch -- entry not in STM chain */
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| 457 | }
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| 458 |
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| 459 | /*
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| 460 | =============================================================================
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| 461 | entrpte() -- enter or update a patch table entry
|
---|
| 462 | =============================================================================
|
---|
| 463 | */
|
---|
| 464 |
|
---|
[0580615] | 465 | void entrpte(void)
|
---|
[f40a309] | 466 | {
|
---|
[7258c6a] | 467 | register int16_t c;
|
---|
| 468 | register uint16_t np, stim;
|
---|
[f40a309] | 469 |
|
---|
| 470 | ptegood = ptedfok AND ptestok AND ptedsok AND ptedtok;
|
---|
| 471 |
|
---|
| 472 | if (ptegood) {
|
---|
| 473 |
|
---|
| 474 | buf2pte();
|
---|
| 475 |
|
---|
| 476 | c = findpte();
|
---|
| 477 |
|
---|
| 478 | if (c EQ 0) { /* old patch -- just update it */
|
---|
| 479 |
|
---|
| 480 | memcpyw(&patches[ptecpos].defnum, &ptebuf.defnum, 6);
|
---|
| 481 |
|
---|
| 482 | patches[ptecpos].paspec |= PE_TBIT; /* define it */
|
---|
| 483 |
|
---|
| 484 | #if DEBUGEP
|
---|
| 485 | if (debugsw AND debugep) {
|
---|
| 486 |
|
---|
| 487 | if (snapep)
|
---|
| 488 | SnapPTV("entrpte");
|
---|
| 489 |
|
---|
| 490 | printf("entrpte(): UPDATED\n");
|
---|
| 491 | }
|
---|
| 492 | #endif
|
---|
| 493 |
|
---|
| 494 | return;
|
---|
| 495 | }
|
---|
[fa38804] | 496 |
|
---|
[f40a309] | 497 | /* allocate a patch entry and fill it in */
|
---|
| 498 |
|
---|
| 499 | if (0 EQ (ptecpos = pt_alc())) {
|
---|
| 500 |
|
---|
| 501 | #if DEBUGEP
|
---|
| 502 | if (debugsw AND debugep)
|
---|
| 503 | printf("entrpte(): patch table FULL\n");
|
---|
| 504 | #endif
|
---|
| 505 | return; /* no patch entries left */
|
---|
| 506 | }
|
---|
| 507 |
|
---|
| 508 | memcpyw(&patches[ptecpos].defnum, &ptebuf.defnum, 6);
|
---|
| 509 | patches[ptecpos].paspec |= PE_TBIT; /* define it */
|
---|
| 510 | stim = TRG_MASK & ptebuf.stmnum;
|
---|
| 511 |
|
---|
| 512 | if (c EQ 1) { /* new patch -- no STM entry yet */
|
---|
| 513 |
|
---|
| 514 | ptepred = 0;
|
---|
| 515 | stmptr[stim] = ptecpos;
|
---|
| 516 | }
|
---|
[fa38804] | 517 |
|
---|
[f40a309] | 518 | /* put patch in STM chain */
|
---|
| 519 |
|
---|
| 520 | if (ptepred) { /* predecessor exits */
|
---|
| 521 |
|
---|
| 522 | ptesucc = patches[ptepred].nextstm;
|
---|
| 523 |
|
---|
| 524 | patches[ptecpos].nextstm = ptesucc;
|
---|
| 525 | patches[ptecpos].prevstm = ptepred;
|
---|
| 526 |
|
---|
| 527 | patches[ptepred].nextstm = ptecpos;
|
---|
| 528 |
|
---|
| 529 | if (ptesucc)
|
---|
| 530 | patches[ptesucc].prevstm = ptecpos;
|
---|
| 531 |
|
---|
| 532 | } else { /* no predecessor */
|
---|
| 533 |
|
---|
| 534 | patches[ptecpos].prevstm = 0;
|
---|
| 535 |
|
---|
| 536 | if (c EQ -1) {
|
---|
| 537 |
|
---|
| 538 | ptesucc = stmptr[stim];
|
---|
| 539 |
|
---|
| 540 | patches[ptecpos].nextstm = ptesucc;
|
---|
| 541 |
|
---|
| 542 | patches[ptesucc].prevstm = ptecpos;
|
---|
| 543 |
|
---|
| 544 | stmptr[stim] = ptecpos;
|
---|
| 545 |
|
---|
| 546 | } else {
|
---|
| 547 |
|
---|
| 548 | patches[ptecpos].nextstm = 0;
|
---|
| 549 | }
|
---|
| 550 | }
|
---|
[fa38804] | 551 |
|
---|
[f40a309] | 552 | /* update DEF table */
|
---|
| 553 |
|
---|
| 554 | if (0 EQ (c = finddpe())) {
|
---|
| 555 |
|
---|
| 556 | #if DEBUGEP
|
---|
| 557 | if (debugsw AND debugep)
|
---|
| 558 | printf("entrpte(): defent already exists\n");
|
---|
| 559 | #endif
|
---|
| 560 | return; /* defent already exists */
|
---|
| 561 | }
|
---|
| 562 |
|
---|
| 563 | if (0 EQ (dpecpos = dt_alc())) {
|
---|
| 564 |
|
---|
| 565 | #if DEBUGEP
|
---|
| 566 | if (debugsw AND debugep)
|
---|
| 567 | printf("entrpte(): defent table FULL\n");
|
---|
| 568 | #endif
|
---|
| 569 | return; /* no defents left */
|
---|
| 570 | }
|
---|
| 571 |
|
---|
| 572 | defents[dpecpos].nextdef = 0;
|
---|
| 573 | defents[dpecpos].stm = ptestm;
|
---|
| 574 | defents[dpecpos].adspec = ptespec;
|
---|
| 575 | defents[dpecpos].adsuba = ptesuba;
|
---|
| 576 | defents[dpecpos].addat1 = ptedat1;
|
---|
| 577 |
|
---|
| 578 | np = TRG_MASK & ptebuf.defnum;
|
---|
| 579 |
|
---|
| 580 | if (c EQ 1) {
|
---|
| 581 |
|
---|
| 582 | dpepred = 0;
|
---|
| 583 | defptr[np] = dpecpos;
|
---|
| 584 | }
|
---|
| 585 |
|
---|
| 586 | if (dpepred) {
|
---|
| 587 |
|
---|
| 588 | dpesucc = defents[dpepred].nextdef;
|
---|
| 589 | defents[dpecpos].nextdef = dpesucc;
|
---|
| 590 | defents[dpepred].nextdef = dpecpos;
|
---|
| 591 |
|
---|
| 592 | } else {
|
---|
| 593 |
|
---|
| 594 | if (c EQ -1) {
|
---|
| 595 |
|
---|
| 596 | dpesucc = defptr[np];
|
---|
| 597 | defents[dpecpos].nextdef = dpesucc;
|
---|
| 598 | defptr[np] = dpecpos;
|
---|
| 599 |
|
---|
| 600 | } else {
|
---|
| 601 |
|
---|
| 602 | defents[dpecpos].nextdef = 0;
|
---|
| 603 | }
|
---|
| 604 | }
|
---|
| 605 |
|
---|
| 606 | #if DEBUGEP
|
---|
| 607 | if (debugsw AND debugep) {
|
---|
| 608 |
|
---|
| 609 | if (snapep)
|
---|
| 610 | SnapPTV("entrpte");
|
---|
| 611 |
|
---|
| 612 | printf("entrpte(): ENTERED\n");
|
---|
| 613 | }
|
---|
| 614 | #endif
|
---|
| 615 | return;
|
---|
| 616 | }
|
---|
| 617 |
|
---|
| 618 | #if DEBUGEP
|
---|
| 619 | if (debugsw AND debugep) {
|
---|
| 620 |
|
---|
| 621 | if (snapep)
|
---|
| 622 | SnapPTV("entrpte");
|
---|
| 623 |
|
---|
| 624 | printf("entrpte(): INVALID\n");
|
---|
| 625 | }
|
---|
| 626 | #endif
|
---|
| 627 | }
|
---|
| 628 |
|
---|
| 629 | /*
|
---|
| 630 | =============================================================================
|
---|
| 631 | find1st() -- find the first patch in the patch table
|
---|
| 632 | =============================================================================
|
---|
| 633 | */
|
---|
| 634 |
|
---|
[7258c6a] | 635 | int16_t find1st(void)
|
---|
[f40a309] | 636 | {
|
---|
[7258c6a] | 637 | register int16_t cp, pp;
|
---|
[f40a309] | 638 |
|
---|
| 639 | for (cp = 0; cp < NDEFSTMS; cp++)
|
---|
| 640 | if (0 NE (pp = ADR_MASK & stmptr[cp]))
|
---|
| 641 | return(pp);
|
---|
| 642 |
|
---|
| 643 | return(0);
|
---|
| 644 | }
|
---|
| 645 |
|
---|
| 646 | /*
|
---|
| 647 | =============================================================================
|
---|
| 648 | findnxt() -- find the next patch in the patch table
|
---|
| 649 | =============================================================================
|
---|
| 650 | */
|
---|
| 651 |
|
---|
[7258c6a] | 652 | int16_t findnxt(int16_t cp)
|
---|
[f40a309] | 653 | {
|
---|
[7258c6a] | 654 | register int16_t np, stim;
|
---|
[f40a309] | 655 |
|
---|
| 656 | if (0 NE (np = patches[cp].nextstm))
|
---|
| 657 | return(np);
|
---|
| 658 |
|
---|
| 659 | stim = TRG_MASK & patches[cp].stmnum;
|
---|
| 660 |
|
---|
| 661 | while (++stim < NDEFSTMS)
|
---|
| 662 | if (0 NE (np = ADR_MASK & stmptr[stim]))
|
---|
| 663 | return(np);
|
---|
| 664 |
|
---|
| 665 | return(0);
|
---|
| 666 | }
|
---|
| 667 |
|
---|
| 668 | /*
|
---|
| 669 | =============================================================================
|
---|
| 670 | findprv() -- find the previous patch in the patch table
|
---|
| 671 | =============================================================================
|
---|
| 672 | */
|
---|
| 673 |
|
---|
[7258c6a] | 674 | int16_t findprv(int16_t cp)
|
---|
[f40a309] | 675 | {
|
---|
[7258c6a] | 676 | register int16_t np, pp, stim;
|
---|
[f40a309] | 677 |
|
---|
| 678 | if (0 NE (np = patches[cp].prevstm)) /* return prevstm if set */
|
---|
| 679 | return(np);
|
---|
| 680 |
|
---|
| 681 | stim = TRG_MASK & patches[cp].stmnum; /* extract the stimulus */
|
---|
| 682 |
|
---|
| 683 | while (--stim GE 0) { /* back up one stimulus if we can */
|
---|
| 684 |
|
---|
| 685 | if (0 NE (np = ADR_MASK & stmptr[stim])) { /* any there ? */
|
---|
| 686 |
|
---|
| 687 | /* find the end of the chain for the stimulus */
|
---|
| 688 |
|
---|
| 689 | while (pp = patches[np].nextstm)
|
---|
| 690 | np = pp;
|
---|
| 691 |
|
---|
| 692 | return(np);
|
---|
| 693 | }
|
---|
| 694 | }
|
---|
| 695 |
|
---|
| 696 | return(0); /* backed up to the start of the table */
|
---|
| 697 | }
|
---|
| 698 |
|
---|
| 699 | /*
|
---|
| 700 | =============================================================================
|
---|
| 701 | dpte() -- display a patch at a given line on the screen
|
---|
| 702 | =============================================================================
|
---|
| 703 | */
|
---|
| 704 |
|
---|
[7258c6a] | 705 | void dpte(int16_t pe, int16_t row, int16_t atr)
|
---|
[f40a309] | 706 | {
|
---|
[7258c6a] | 707 | register int16_t i;
|
---|
[f40a309] | 708 |
|
---|
| 709 | memset(ptdsbuf, ' ', 50);
|
---|
| 710 |
|
---|
| 711 | if (pe) {
|
---|
| 712 |
|
---|
| 713 | dspdfst(&ptdsbuf[ 2], patches[pe].defnum);
|
---|
| 714 | dspdfst(&ptdsbuf[15], patches[pe].stmnum);
|
---|
| 715 | dspdest(&ptdsbuf[28], &patches[pe]);
|
---|
| 716 |
|
---|
| 717 | for (i = 0; i < 50; i++)
|
---|
| 718 | if (ptdsbuf[i] EQ '\0')
|
---|
| 719 | ptdsbuf[i] = ' ';
|
---|
[9519422] | 720 |
|
---|
[f40a309] | 721 | ptdsbuf[48] = '\0';
|
---|
| 722 | }
|
---|
| 723 |
|
---|
| 724 | UpdVid(row, 0, "\260 ", PTBATR);
|
---|
| 725 | UpdVid(row, 1, &ptdsbuf[1], atr);
|
---|
| 726 | }
|
---|
| 727 |
|
---|
| 728 | /*
|
---|
| 729 | =============================================================================
|
---|
| 730 | dptw() -- display window around current patch at ptecpos
|
---|
| 731 | =============================================================================
|
---|
| 732 | */
|
---|
| 733 |
|
---|
[0580615] | 734 | void dptw(void)
|
---|
[f40a309] | 735 | {
|
---|
[7258c6a] | 736 | register int16_t cp, r, row, pp;
|
---|
[f40a309] | 737 |
|
---|
| 738 | #if DEBUGDP
|
---|
| 739 | if (debugsw AND debugdp)
|
---|
| 740 | printf("dptw(): ENTRY ptecpos = %d\n", ptecpos);
|
---|
| 741 | #endif
|
---|
| 742 |
|
---|
| 743 | if (ptecpos) {
|
---|
| 744 |
|
---|
| 745 | /* search back from ptecpos for predecessors */
|
---|
| 746 |
|
---|
| 747 | row = 7;
|
---|
| 748 | pp = ptecpos;
|
---|
| 749 |
|
---|
| 750 | while (0 NE (cp = findprv(pp))) {
|
---|
| 751 |
|
---|
| 752 | pp = cp;
|
---|
| 753 |
|
---|
| 754 | if (--row EQ 0)
|
---|
| 755 | break;
|
---|
| 756 | }
|
---|
| 757 |
|
---|
| 758 | #if DEBUGDP
|
---|
| 759 | if (debugsw AND debugdp)
|
---|
| 760 | printf("dptw(): backed up to row = %d pp = %d\n", row, pp);
|
---|
| 761 | #endif
|
---|
| 762 |
|
---|
| 763 | if (row) { /* blank any unused lines (rows 0..6) */
|
---|
| 764 |
|
---|
| 765 | for (r = 0; r < row; r++)
|
---|
| 766 | dpte(0, r, PTPATR);
|
---|
| 767 | }
|
---|
| 768 |
|
---|
| 769 | while (row < 7) { /* display predecessors (rows 0..6) */
|
---|
| 770 |
|
---|
| 771 | dpte(pp, row++, PTPATR);
|
---|
| 772 | pp = findnxt(pp);
|
---|
| 773 | }
|
---|
[fa38804] | 774 |
|
---|
[f40a309] | 775 | /* display ptecpos at the center (row 7) */
|
---|
| 776 |
|
---|
| 777 | #if DEBUGDP
|
---|
| 778 | if (debugsw AND debugdp)
|
---|
| 779 | printf("dptw(): row = %d pp = %d ptecpos = %d\n",
|
---|
| 780 | row, pp, ptecpos);
|
---|
| 781 | #endif
|
---|
| 782 |
|
---|
| 783 | dpte(pp, row++, PTEATR);
|
---|
| 784 |
|
---|
| 785 | /* display forward from ptecpos (rows 8..15) */
|
---|
| 786 |
|
---|
| 787 | while (0 NE (pp = findnxt(pp))) {
|
---|
| 788 |
|
---|
| 789 | dpte(pp, row++, PTPATR);
|
---|
| 790 |
|
---|
| 791 | if (row > 15)
|
---|
| 792 | break;
|
---|
| 793 | }
|
---|
| 794 |
|
---|
| 795 | /* blank any unused display lines (rows 8..15) */
|
---|
| 796 | while (row < 16)
|
---|
| 797 | dpte(0, row++, PTPATR);
|
---|
[fa38804] | 798 |
|
---|
[f40a309] | 799 | } else {
|
---|
| 800 |
|
---|
| 801 | if (0 NE (ptecpos = find1st())) {
|
---|
| 802 |
|
---|
| 803 | #if DEBUGDP
|
---|
| 804 | if (debugsw AND debugdp)
|
---|
| 805 | printf("dptw(): found 1st at %d\n", ptecpos);
|
---|
| 806 | #endif
|
---|
| 807 |
|
---|
| 808 | /* clear lines above the center (rows 0..6) */
|
---|
| 809 |
|
---|
| 810 | for (row = 0; row < 7; ++row)
|
---|
| 811 | dpte(0, row, PTPATR);
|
---|
| 812 |
|
---|
| 813 | /* display ptecpos at the center (row 7) */
|
---|
| 814 |
|
---|
| 815 | dpte(pp = ptecpos, row++, PTEATR);
|
---|
| 816 |
|
---|
| 817 | /* display forward from ptecpos (rows 8..15) */
|
---|
| 818 |
|
---|
| 819 | while (0 NE (pp = findnxt(pp))) {
|
---|
| 820 |
|
---|
| 821 | dpte(pp, row++, PTPATR);
|
---|
| 822 |
|
---|
| 823 | if (row > 15)
|
---|
| 824 | break;
|
---|
| 825 | }
|
---|
| 826 |
|
---|
| 827 | /* blank any unused display lines (rows 8..15) */
|
---|
| 828 |
|
---|
| 829 | while (row < 16)
|
---|
| 830 | dpte(0, row++, PTPATR);
|
---|
[fa38804] | 831 |
|
---|
[f40a309] | 832 | } else {
|
---|
| 833 |
|
---|
| 834 | #if DEBUGDP
|
---|
| 835 | if (debugsw AND debugdp)
|
---|
| 836 | printf("dptw(): no patches to display\n");
|
---|
| 837 | #endif
|
---|
| 838 |
|
---|
| 839 | /* clear the patch display */
|
---|
| 840 |
|
---|
| 841 | for (row = 0; row < 16; ++row)
|
---|
| 842 | dpte(0, row, (row EQ 7) ? PTEATR : PTPATR);
|
---|
| 843 | }
|
---|
| 844 | }
|
---|
| 845 |
|
---|
| 846 | if (ptecpos) {
|
---|
| 847 |
|
---|
| 848 | memcpyw(&ptebuf.defnum, &patches[ptecpos].defnum, 6);
|
---|
| 849 | pteset = TRUE;
|
---|
| 850 | pte2buf();
|
---|
| 851 |
|
---|
| 852 | #if DEBUGDP
|
---|
| 853 | if (debugsw AND debugdp)
|
---|
| 854 | printf("dptw(): EXIT -- LOADED buffer, ptecpos = %d\n",
|
---|
| 855 | ptecpos);
|
---|
| 856 | #endif
|
---|
| 857 |
|
---|
| 858 | } else {
|
---|
| 859 |
|
---|
| 860 | pteset = FALSE;
|
---|
| 861 | voidpb();
|
---|
| 862 |
|
---|
| 863 | #if DEBUGDP
|
---|
| 864 | if (debugsw AND debugdp)
|
---|
| 865 | printf("dptw(): EXIT -- VOIDED buffer, ptecpos = %d\n",
|
---|
| 866 | ptecpos);
|
---|
| 867 | #endif
|
---|
| 868 |
|
---|
| 869 |
|
---|
| 870 | }
|
---|
| 871 | }
|
---|
| 872 |
|
---|
| 873 | /*
|
---|
| 874 | =============================================================================
|
---|
| 875 | srdspte() -- search for and display patch table entry
|
---|
| 876 | =============================================================================
|
---|
| 877 | */
|
---|
| 878 |
|
---|
[0580615] | 879 | void srdspte(void)
|
---|
[f40a309] | 880 | {
|
---|
[7258c6a] | 881 | int16_t oldcpos, oldpred, oldsucc;
|
---|
[f40a309] | 882 | #if DEBUGSR
|
---|
| 883 | register short i;
|
---|
| 884 | char dbuf[50];
|
---|
| 885 | #endif
|
---|
| 886 |
|
---|
| 887 | ptegood = ptedfok AND ptestok AND ptedsok AND ptedtok;
|
---|
| 888 |
|
---|
| 889 | #if DEBUGSR
|
---|
| 890 | if (debugsw AND debugsr) {
|
---|
| 891 |
|
---|
| 892 | printf("srdspte(): ENTRY pte good=%d dfok=%d stok=%d dsok=%d dtok=%d\n",
|
---|
| 893 | ptegood, ptedfok, ptestok, ptedsok, ptedtok);
|
---|
| 894 |
|
---|
| 895 | memcpy(dbuf, ptdebuf, 48);
|
---|
| 896 |
|
---|
| 897 | for (i = 0; i < 48; i++)
|
---|
| 898 | if (dbuf[i] EQ '\0')
|
---|
| 899 | dbuf[i] = ' ';
|
---|
| 900 | else if (dbuf[i] & 0x0080)
|
---|
| 901 | dbuf[i] = '~';
|
---|
| 902 |
|
---|
| 903 | dbuf[48] = '\0';
|
---|
| 904 |
|
---|
| 905 | printf(" ptdebuf = \"%s\"\n", dbuf);
|
---|
| 906 | }
|
---|
| 907 | #endif
|
---|
| 908 |
|
---|
| 909 | if (ptegood) {
|
---|
| 910 |
|
---|
| 911 | oldcpos = ptecpos; /* save patch pointers */
|
---|
| 912 | oldpred = ptepred;
|
---|
| 913 | oldsucc = ptesucc;
|
---|
| 914 |
|
---|
| 915 | buf2pte();
|
---|
| 916 |
|
---|
| 917 | if (0 EQ findpte()) {
|
---|
| 918 |
|
---|
| 919 | #if DEBUGSR
|
---|
| 920 | if (debugsw AND debugsr)
|
---|
| 921 | printf("srdspte(): FOUND patch at ptecpos = %d\n", ptecpos);
|
---|
| 922 | #endif
|
---|
| 923 |
|
---|
| 924 | memcpyw(&ptebuf.defnum, &patches[ptecpos].defnum, 6);
|
---|
| 925 | pteset = TRUE;
|
---|
| 926 | pte2buf();
|
---|
| 927 | dptw();
|
---|
| 928 |
|
---|
| 929 | } else {
|
---|
| 930 |
|
---|
| 931 | ptecpos = oldcpos; /* restore patch pointers */
|
---|
| 932 | ptepred = oldpred;
|
---|
| 933 | ptesucc = oldsucc;
|
---|
| 934 |
|
---|
| 935 | #if DEBUGSR
|
---|
| 936 | if (debugsw AND debugsr) {
|
---|
| 937 |
|
---|
| 938 | printf("srdspte(): patch not found\n");
|
---|
| 939 |
|
---|
| 940 | if (snapsr)
|
---|
| 941 | SnapPTV("srdspte");
|
---|
| 942 |
|
---|
| 943 | }
|
---|
| 944 | #endif
|
---|
| 945 |
|
---|
| 946 | }
|
---|
| 947 | }
|
---|
| 948 |
|
---|
| 949 | #if DEBUGSR
|
---|
| 950 | if (debugsw AND debugsr)
|
---|
| 951 | printf("srdspte(): EXIT -- ptecpos = %d\n", ptecpos);
|
---|
| 952 | #endif
|
---|
| 953 |
|
---|
| 954 | }
|
---|
| 955 |
|
---|
| 956 | /*
|
---|
| 957 | =============================================================================
|
---|
| 958 | stmproc() -- process a trigger as a definer and a stimulus
|
---|
| 959 | =============================================================================
|
---|
| 960 | */
|
---|
| 961 |
|
---|
[7258c6a] | 962 | void stmproc(uint16_t trg)
|
---|
[f40a309] | 963 | {
|
---|
| 964 | register struct defent *nextdef;
|
---|
| 965 | register struct patch *nextpch;
|
---|
[7258c6a] | 966 | register uint16_t adspec, adsuba, np, stim;
|
---|
| 967 | uint16_t addat1, adrtag;
|
---|
[f40a309] | 968 |
|
---|
| 969 | /* ***** DEFINER PROCESSING PHASE ***** */
|
---|
| 970 |
|
---|
| 971 | np = ADR_MASK & defptr[TRG_MASK & trg];
|
---|
| 972 | nextdef = np ? &defents[np] : (struct defent *)NULL; /* point at DEF chain */
|
---|
| 973 |
|
---|
[fa38804] | 974 |
|
---|
[f40a309] | 975 | while ((struct defent *)NULL NE nextdef) { /* process DEF chain */
|
---|
| 976 |
|
---|
| 977 | /* setup search criteria */
|
---|
| 978 |
|
---|
| 979 | adspec = nextdef->adspec;
|
---|
| 980 | adsuba = nextdef->adsuba;
|
---|
| 981 | addat1 = nextdef->addat1;
|
---|
| 982 | stim = nextdef->stm;
|
---|
| 983 | adrtag = dmatch[adspec];
|
---|
| 984 |
|
---|
| 985 | /* point at the start of the STM chain */
|
---|
| 986 |
|
---|
| 987 | np = ADR_MASK & stmptr[TRG_MASK & stim];
|
---|
| 988 | nextpch = np ? &patches[np] : (struct patch *)NULL;
|
---|
| 989 |
|
---|
| 990 | while ((struct patch *)NULL NE nextpch) { /* process STM chain */
|
---|
| 991 |
|
---|
| 992 | /* if this patch matches our search criteria ... */
|
---|
| 993 |
|
---|
| 994 | if ((stim EQ nextpch->stmnum) AND
|
---|
| 995 | (adspec EQ (nextpch->paspec & PE_SPEC)) AND
|
---|
| 996 | (adsuba EQ nextpch->pasuba)) {
|
---|
| 997 |
|
---|
| 998 | if ((NOT adrtag) OR
|
---|
| 999 | (adrtag AND addat1 EQ nextpch->padat1)) {
|
---|
| 1000 |
|
---|
| 1001 | if (nextpch->defnum EQ trg)
|
---|
| 1002 | nextpch->paspec |= PE_TBIT; /* define */
|
---|
| 1003 | else
|
---|
| 1004 | nextpch->paspec &= ~PE_TBIT; /* undefine */
|
---|
| 1005 | }
|
---|
| 1006 | }
|
---|
| 1007 |
|
---|
| 1008 | /* point at the next patch in the STM chain */
|
---|
| 1009 |
|
---|
| 1010 | np = nextpch->nextstm;
|
---|
| 1011 | nextpch = np ? &patches[np] : (struct patch *)NULL;
|
---|
| 1012 | }
|
---|
| 1013 |
|
---|
| 1014 | /* point at the next DEF entry */
|
---|
| 1015 |
|
---|
| 1016 | np = nextdef->nextdef;
|
---|
| 1017 | nextdef = np ? &defents[np] : (struct defent *)NULL;
|
---|
| 1018 | }
|
---|
| 1019 |
|
---|
| 1020 | /* ***** STIMULUS PROCESSING PHASE ***** */
|
---|
| 1021 |
|
---|
| 1022 | /* setup initial STM chain pointer */
|
---|
| 1023 |
|
---|
| 1024 | np = ADR_MASK & stmptr[TRG_MASK & trg];
|
---|
| 1025 | nextpch = np ? &patches[np] : (struct patch *)NULL;
|
---|
| 1026 |
|
---|
| 1027 | /* process the STM chain */
|
---|
| 1028 |
|
---|
| 1029 | while ((struct patch *)NULL NE nextpch) { /* for each patch .. */
|
---|
| 1030 |
|
---|
| 1031 | if ((nextpch->paspec & PE_TBIT) AND /* if it's defined ... */
|
---|
| 1032 | (nextpch->stmnum EQ trg)) /* ... and stm matches */
|
---|
| 1033 | dopatch(nextpch); /* ... do the patch */
|
---|
| 1034 |
|
---|
| 1035 | /* point at the next patch */
|
---|
| 1036 |
|
---|
| 1037 | np = nextpch->nextstm;
|
---|
| 1038 | nextpch = np ? &patches[np] : (struct patch *)NULL;
|
---|
| 1039 | }
|
---|
| 1040 | }
|
---|
[6262b5c] | 1041 |
|
---|