[f40a309] | 1 | /*
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| 2 | =============================================================================
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| 3 | sqexec.c -- MIDAS-VII sequence action execution code
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| 4 | Version 12 -- 1988-12-13 -- 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 DEBUGSX 0
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| 9 | #define DEBUGSP 0
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| 10 |
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| 11 | #define UPD_LINE 1
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| 12 |
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[b28a12e] | 13 | #include "ram.h"
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[f40a309] | 14 |
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| 15 | #if DEBUGSP
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| 16 | short debugsp = 1;
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| 17 | #endif
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| 18 |
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| 19 | #if DEBUGSX
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| 20 | short debugsx = 1;
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| 21 | #endif
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| 22 |
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[7258c6a] | 23 | int16_t seqdspn;
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[f40a309] | 24 |
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[7258c6a] | 25 | int16_t rtab[] = { 0x0000, 0x0001, 0x0003, 0x0007, 0x000F, 0x001F, 0x003F,
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[f40a309] | 26 | 0x003F, 0x003F, 0x003F };
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| 27 |
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| 28 | /*
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| 29 | =============================================================================
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| 30 | evaltv() -- evaluate a typed value
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| 31 | =============================================================================
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| 32 | */
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| 33 |
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[7258c6a] | 34 | uint16_t evaltv(uint16_t dat)
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[f40a309] | 35 | {
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| 36 | switch (SQ_MTYP & dat) {
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| 37 |
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| 38 | case SQ_REG: /* register contents */
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| 39 |
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| 40 | return(sregval[SQ_MVAL & dat]);
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| 41 |
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| 42 | case SQ_VAL: /* constant value */
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| 43 |
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| 44 | return(SQ_MVAL & dat);
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| 45 |
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| 46 | case SQ_VLT: /* voltage input */
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| 47 |
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| 48 | return(0);
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| 49 |
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| 50 | case SQ_RND: /* random number */
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| 51 |
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[7258c6a] | 52 | return((int16_t)rand24() & rtab[SQ_MVAL & dat]);
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[f40a309] | 53 |
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| 54 | default: /* something weird got in here ... */
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| 55 |
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| 56 | return(0);
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| 57 | }
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| 58 | }
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| 59 |
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| 60 | /*
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| 61 | =============================================================================
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| 62 | dosqact() -- do a sequence action
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| 63 | =============================================================================
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| 64 | */
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| 65 |
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[7258c6a] | 66 | int16_t dosqact(uint16_t seq, uint16_t act, uint16_t dat)
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[f40a309] | 67 | {
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[7258c6a] | 68 | register uint16_t obj, val;
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| 69 | register int16_t sv;
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[f40a309] | 70 |
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| 71 | obj = (SQ_MOBJ & act) >> 8;
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| 72 | val = SQ_MVAL & dat;
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| 73 |
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| 74 | switch (SQ_MACT & act) {
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| 75 |
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| 76 | case SQ_NULL: /* null action */
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| 77 |
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| 78 | return(0);
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| 79 |
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| 80 | case SQ_CKEY: /* Key closure */
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| 81 |
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| 82 | putwq(&ptefifo, dat & TRG_MASK);
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| 83 | return(0);
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| 84 |
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| 85 | case SQ_RKEY: /* Key release */
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| 86 |
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| 87 | putwq(&ptefifo, dat | 0x8000);
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| 88 | return(0);
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| 89 |
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| 90 | case SQ_TKEY: /* Key transient */
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| 91 |
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| 92 | putwq(&ptefifo, dat & TRG_MASK); /* closure */
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| 93 | putwq(&ptefifo, dat | 0x8000); /* release */
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| 94 | return(0);
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| 95 |
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| 96 | case SQ_IKEY: /* If key active */
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| 97 |
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| 98 | if (trgtab[TRG_MASK & dat])
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| 99 | return(0);
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| 100 | else
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| 101 | return(1);
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[fa38804] | 102 |
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[f40a309] | 103 | case SQ_STRG: /* Trigger on */
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| 104 |
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| 105 | trstate[val] = 1;
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| 106 | putwq(&ptefifo, (0x1100 | val));
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| 107 | seqdupd |= (1 << val);
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| 108 | return(0);
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| 109 |
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| 110 | case SQ_CTRG: /* Trigger off */
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| 111 |
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| 112 | trstate[val] = 0;
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| 113 | seqdupd |= (1 << val);
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| 114 | return(0);
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| 115 |
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| 116 | case SQ_TTRG: /* Trigger toggle */
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| 117 |
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| 118 | trstate[val] = trstate[val] ? 0 : 1;
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| 119 |
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| 120 | if (trstate[val])
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| 121 | putwq(&ptefifo, (0x1100 | val));
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| 122 |
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| 123 | seqdupd |= (1 << val);
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| 124 | return(0);
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| 125 |
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| 126 | case SQ_ITRG: /* If trigger active */
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| 127 |
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| 128 | return(trstate[val] ? 0 : 1);
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[fa38804] | 129 |
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[f40a309] | 130 | case SQ_SREG: /* Set register */
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| 131 |
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| 132 | sregval[obj] = evaltv(dat);
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| 133 | seqdupd |= (1 << obj);
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| 134 | return(0);
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| 135 |
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| 136 | case SQ_AREG: /* Increment register */
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| 137 |
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| 138 | if (dat & SQ_MFLG) {
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| 139 |
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| 140 | sv = sregval[obj] - evaltv(dat);
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| 141 |
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| 142 | if (sv < 0)
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| 143 | sv = 0;
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| 144 |
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| 145 | sregval[obj] = sv;
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| 146 |
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| 147 | } else {
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| 148 |
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| 149 | sv = sregval[obj] + evaltv(dat);
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| 150 |
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| 151 | if (sv > 99)
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| 152 | sv = 99;
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| 153 |
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| 154 | sregval[obj] = sv;
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| 155 |
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| 156 | }
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| 157 |
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| 158 | seqdupd |= (1 << obj);
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| 159 | return(0);
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| 160 |
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| 161 | case SQ_IREQ: /* If register = */
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| 162 |
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| 163 | val = evaltv(dat);
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| 164 |
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| 165 | if (sregval[obj] EQ val)
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| 166 | return(0);
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| 167 | else
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| 168 | return(1);
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| 169 |
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| 170 | case SQ_IRLT: /* If register < */
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| 171 |
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| 172 | val = evaltv(dat);
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| 173 |
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| 174 | if (sregval[obj] < val)
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| 175 | return(0);
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| 176 | else
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| 177 | return(1);
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| 178 |
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| 179 | case SQ_IRGT: /* If register > */
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| 180 |
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| 181 | val = evaltv(dat);
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| 182 |
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| 183 | if (sregval[obj] > val)
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| 184 | return(0);
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| 185 | else
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| 186 | return(1);
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[fa38804] | 187 |
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[f40a309] | 188 | case SQ_ISTM: /* If stimulus active */
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| 189 |
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| 190 | if (trgtab[TRG_MASK & seqstim[seq]])
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| 191 | return(0);
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| 192 | else
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| 193 | return(1);
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| 194 |
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| 195 | case SQ_JUMP: /* Jump to sequence line */
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| 196 |
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| 197 | seqline[seq] = dat;
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| 198 | seqtime[seq] = seqtab[dat].seqtime;
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| 199 | seqflag[seq] |= SQF_CLK;
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| 200 |
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| 201 | seqdupd |= (1 << seq);
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| 202 | return(-1);
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| 203 |
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| 204 |
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| 205 | case SQ_STOP: /* Stop sequence */
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| 206 | default:
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| 207 |
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| 208 | seqflag[seq] = 0;
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| 209 | seqtime[seq] = 0;
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| 210 |
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| 211 | seqdupd |= (1 << seq);
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| 212 | return(-1);
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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 | =============================================================================
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| 219 | sqexec() -- execute a line for a sequence
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| 220 | =============================================================================
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| 221 | */
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| 222 |
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[7258c6a] | 223 | void sqexec(uint16_t seq)
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[f40a309] | 224 | {
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[7258c6a] | 225 | register uint16_t act, dat, line;
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[f40a309] | 226 | register struct seqent *sp;
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[7258c6a] | 227 | register int16_t rc;
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[f40a309] | 228 |
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| 229 | line = seqline[seq];
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| 230 | sp = &seqtab[line];
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| 231 |
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| 232 | act = sp->seqact1; /* do Action 1 */
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| 233 | dat = sp->seqdat1;
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| 234 |
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| 235 | rc = dosqact(seq, act, dat);
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| 236 |
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| 237 | #if DEBUGSX
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| 238 | if (debugsw AND debugsx)
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| 239 | printf("sqexec(%02u): Line %03u Act 1 $%04.4X $%04.4X $%04.4X %d\n",
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| 240 | seq, line, act, dat, seqflag[seq], rc);
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| 241 | #endif
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| 242 |
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| 243 | if (rc EQ 1) /* skip action 2 */
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| 244 | goto act3;
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| 245 | else if (rc EQ -1) /* jump or stop */
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| 246 | return;
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| 247 |
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| 248 | act = sp->seqact2; /* do Action 2 */
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| 249 | dat = sp->seqdat2;
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| 250 |
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| 251 | rc = dosqact(seq, act, dat);
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| 252 |
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| 253 | #if DEBUGSX
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| 254 | if (debugsw AND debugsx)
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| 255 | printf("sqexec(%02u): Line %03u Act 2 $%04.4X $%04.4X $%04.4X %d\n",
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| 256 | seq, line, act, dat, seqflag[seq], rc);
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| 257 | #endif
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| 258 |
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| 259 | if (rc EQ 1) /* skip action 3 */
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| 260 | goto nxtline;
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| 261 | else if (rc EQ -1) /* jump or stop */
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| 262 | return;
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| 263 |
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| 264 | act3:
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| 265 | act = sp->seqact3; /* do Action 3 */
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| 266 | dat = sp->seqdat3;
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| 267 |
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| 268 | rc = dosqact(seq, act, dat);
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| 269 |
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| 270 | #if DEBUGSX
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| 271 | if (debugsw AND debugsx)
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| 272 | printf("sqexec(%02u): Line %03u Act 3 $%04.4X $%04.4X $%04.4X %d\n",
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| 273 | seq, line, act, dat, seqflag[seq], rc);
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| 274 | #endif
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| 275 |
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| 276 | if (rc EQ -1) /* jump or stop */
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| 277 | return;
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| 278 |
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| 279 | nxtline: /* increment line counter */
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| 280 |
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| 281 | if (++seqline[seq] GE NSLINES)
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| 282 | seqline[seq] = 0;
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| 283 |
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| 284 | seqtime[seq] = seqtab[seqline[seq]].seqtime;
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| 285 | seqflag[seq] |= SQF_CLK;
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| 286 |
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| 287 | #if DEBUGSX
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| 288 | if (debugsw AND debugsx)
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| 289 | printf("sqexec(%02u): Next %03u %5u $%04.4X\n",
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| 290 | seq, line, seqtime[seq], seqflag[seq]);
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| 291 | #endif
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| 292 |
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| 293 | seqdupd |= (1 << seq);
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| 294 | }
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| 295 |
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| 296 | /*
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| 297 | =============================================================================
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| 298 | seqproc() -- process sequences
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| 299 | =============================================================================
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| 300 | */
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| 301 |
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[0580615] | 302 | void seqproc(void)
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[f40a309] | 303 | {
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[7258c6a] | 304 | register uint16_t oldsr, seq;
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| 305 | register int16_t dspn;
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| 306 | register uint16_t *fp;
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| 307 | int8_t linbuf[66];
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[f40a309] | 308 |
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| 309 | if (0 EQ timers[SQTIMER]) {
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| 310 |
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| 311 | for (seq = 0; seq < 16; seq++) {
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| 312 |
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| 313 | fp = &seqflag[seq];
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| 314 |
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| 315 | if ( (SQF_RUN|SQF_CLK) EQ
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| 316 | ((SQF_RUN|SQF_CLK) & *fp) ) {
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| 317 |
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| 318 | if (seqtime[seq]) {
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| 319 |
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| 320 | if (0 EQ --seqtime[seq])
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| 321 | *fp &= ~SQF_CLK;
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| 322 |
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| 323 | } else {
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| 324 |
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| 325 | *fp &= ~SQF_CLK;
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| 326 | }
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| 327 | }
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| 328 | }
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| 329 |
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| 330 | oldsr = setsr(0x2700);
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| 331 | timers[SQTIMER] = SEQTIME;
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| 332 | setsr(oldsr);
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| 333 | }
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| 334 |
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| 335 | for (seq = 0; seq < 16; seq++)
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| 336 | if (SQF_RUN EQ ((SQF_RUN|SQF_CLK) & seqflag[seq]) )
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| 337 | sqexec(seq);
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[fa38804] | 338 |
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[f40a309] | 339 | if (((ndisp EQ 1) OR (ndisp EQ 3)) AND dsp_ok AND seqdupd) {
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| 340 |
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| 341 | #if DEBUGSX
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| 342 | if (debugsw AND debugsx)
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| 343 | printf("seqproc(): ndisp = %d seqdupd = $%04.4X\n",
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| 344 | ndisp, seqdupd);
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| 345 | #endif
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| 346 | if (seqdupd & (1 << seqdspn)) {
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| 347 |
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| 348 | dspn = seqdspn;
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| 349 |
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| 350 | if (v_regs[5] & 0x0180)
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| 351 | vbank(0);
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| 352 |
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| 353 | sprintf(linbuf, " %03d %02d %c ",
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| 354 | seqline[dspn],
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| 355 | sregval[dspn],
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| 356 | '0' + trstate[dspn]);
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| 357 |
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| 358 | vvputsv(obj10, 16, PDSEQFG, PDSEQBG,
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| 359 | dspn, 1, linbuf, 14, 14, cg3);
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| 360 |
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| 361 | #if UPD_LINE
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| 362 | sprintf(linbuf, "%02d", dspn + 1);
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| 363 |
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| 364 | vvputsv(obj10, 16,
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| 365 | (seqflag[dspn] & SQF_RUN) ?
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| 366 | PDSEQRN : PDSEQFG, PDSEQBG,
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| 367 | dspn, 2, linbuf, 14, 14, cg3);
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| 368 | #else
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| 369 | vsetcv(obj10, dspn, 2,
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| 370 | ( ( (seqflag[dspn] & SQF_RUN) ?
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| 371 | PDSEQRN : PDSEQFG) << 4) | PDSEQBG, 16);
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| 372 | #endif
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| 373 | seqdupd &= ~(1 << dspn);
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| 374 | }
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| 375 |
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| 376 | if (++seqdspn > 15)
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| 377 | seqdspn = 0;
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| 378 | }
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| 379 | }
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[6262b5c] | 380 |
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