[f40a309] | 1 | /*
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| 2 | =============================================================================
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| 3 | chgsef.c -- MIDAS-VII -- change score direction
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| 4 | Version 1 -- 1988-08-01 -- D.N. Lynx Crowe
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| 5 | =============================================================================
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| 6 | */
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| 7 |
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[6262b5c] | 8 | #include "all.h"
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[f40a309] | 9 |
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[e225e77] | 10 | extern void rslice(struct gdsel *gdstb[]);
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| 11 | extern void se_disp(struct s_entry *ep, int16_t sd, struct gdsel *gdstb[], int16_t cf);
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| 12 |
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[7258c6a] | 13 | extern int16_t sd;
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| 14 | extern int16_t se;
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[f40a309] | 15 |
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| 16 | extern struct gdsel *gdstbc[];
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| 17 | extern struct gdsel *gdstbn[];
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| 18 | extern struct gdsel *gdstbp[];
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| 19 |
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| 20 | /* |
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| 21 |
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| 22 | */
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| 23 |
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| 24 | /*
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| 25 | =============================================================================
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| 26 | chgsef() -- change execution pointers to D_FWD
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| 27 | =============================================================================
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| 28 | */
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[0580615] | 29 |
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[f40a309] | 30 | void chgsef(void)
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| 31 | {
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[7258c6a] | 32 | register struct s_entry *ep;
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[f40a309] | 33 | register int32_t rt;
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| 34 |
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| 35 | se = D_FWD;
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| 36 |
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| 37 | ep = p_cur;
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| 38 | rt = t_cur;
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| 39 |
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| 40 | if (EV_FINI NE ep->e_type) {
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| 41 |
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| 42 | ep = ep->e_fwd;
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| 43 |
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| 44 | while (ep->e_time EQ rt) {
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| 45 |
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| 46 | if (EV_FINI EQ ep->e_type)
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| 47 | break;
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| 48 |
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| 49 | se_exec(ep, se);
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| 50 | ep = ep->e_fwd;
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| 51 | }
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| 52 |
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| 53 | p_cur = ep;
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| 54 | }
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| 55 | }
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| 56 |
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| 57 | /*
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| 58 | =============================================================================
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| 59 | chgseb() -- change execution pointers to D_BAK
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| 60 | =============================================================================
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| 61 | */
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[0580615] | 62 |
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[f40a309] | 63 | void chgseb(void)
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| 64 | {
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[7258c6a] | 65 | register struct s_entry *ep;
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[f40a309] | 66 | register int32_t rt;
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| 67 |
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| 68 | se = D_BAK;
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| 69 |
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| 70 | ep = p_cur;
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| 71 | rt = t_cur;
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| 72 |
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| 73 | if (EV_SCORE NE ep->e_type) {
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| 74 |
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| 75 | ep = ep->e_bak;
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| 76 |
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| 77 | while (ep->e_time EQ rt) {
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| 78 |
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| 79 | if (EV_SCORE EQ ep->e_type)
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| 80 | break;
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| 81 |
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| 82 | se_exec(ep, se);
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| 83 | ep = ep->e_bak;
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| 84 | }
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| 85 |
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| 86 | p_cur = ep;
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| 87 | }
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| 88 | }
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| 89 |
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| 90 | /*
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| 91 | =============================================================================
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| 92 | chgsdf() -- change display pointers to D_FWD
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| 93 | =============================================================================
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| 94 | */
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[0580615] | 95 |
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[f40a309] | 96 | void chgsdf(void)
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| 97 | {
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[7258c6a] | 98 | register struct s_entry *ep;
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[f40a309] | 99 | register int32_t rt;
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| 100 |
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| 101 | sd = D_FWD;
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| 102 |
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| 103 | rslice(gdstbc);
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| 104 | rslice(gdstbn);
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| 105 | rslice(gdstbp);
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| 106 |
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| 107 | ep = p_ctr;
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| 108 | rt = t_ctr;
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| 109 |
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| 110 | if (EV_FINI NE ep->e_type) {
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| 111 |
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| 112 | ep = ep->e_fwd;
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| 113 |
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| 114 | while (ep->e_time EQ rt) {
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| 115 |
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| 116 | if (EV_FINI EQ ep->e_type)
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| 117 | break;
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| 118 |
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| 119 | se_disp(ep, D_FWD, gdstbc, 1);
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| 120 | ep = ep->e_fwd;
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| 121 | }
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| 122 |
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| 123 | p_ctr = ep;
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| 124 | }
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| 125 |
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| 126 | ep = p_bak;
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| 127 | rt = t_bak;
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| 128 |
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| 129 | if (EV_FINI NE ep->e_type) {
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| 130 |
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| 131 | ep = ep->e_fwd;
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| 132 |
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| 133 | while (ep->e_time EQ rt) {
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| 134 |
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| 135 | if (EV_FINI EQ ep->e_type)
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| 136 | break;
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| 137 |
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| 138 | se_disp(ep, D_FWD, gdstbp, 0);
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| 139 | ep = ep->e_fwd;
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| 140 | }
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| 141 |
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| 142 | p_bak = ep;
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| 143 | }
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| 144 |
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| 145 | ep = p_fwd;
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| 146 | rt = t_fwd;
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| 147 |
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| 148 | if (EV_FINI NE ep->e_type) {
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| 149 |
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| 150 | ep = ep->e_fwd;
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| 151 |
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| 152 | while (ep->e_time EQ rt) {
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| 153 |
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| 154 | if (EV_FINI EQ ep->e_type)
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| 155 | break;
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| 156 |
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| 157 | se_disp(ep, D_FWD, gdstbn, 0);
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| 158 | ep = ep->e_fwd;
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| 159 | }
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| 160 |
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| 161 | p_fwd = ep;
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| 162 | }
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| 163 | }
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| 164 |
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| 165 | /*
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| 166 | =============================================================================
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| 167 | chgsdb() -- change display pointers to D_BAK
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| 168 | =============================================================================
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| 169 | */
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[0580615] | 170 |
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[f40a309] | 171 | void chgsdb(void)
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| 172 | {
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[7258c6a] | 173 | register struct s_entry *ep;
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[f40a309] | 174 | register int32_t rt;
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| 175 |
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| 176 | sd = D_BAK;
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| 177 |
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| 178 | rslice(gdstbc);
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| 179 | rslice(gdstbn);
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| 180 | rslice(gdstbp);
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| 181 |
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| 182 | ep = p_ctr;
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| 183 | rt = t_ctr;
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| 184 |
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| 185 | if (EV_SCORE NE ep->e_type) {
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| 186 |
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| 187 | ep = ep->e_bak;
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| 188 |
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| 189 | while (ep->e_time EQ rt) {
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| 190 |
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| 191 | if (EV_SCORE EQ ep->e_type)
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| 192 | break;
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| 193 |
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| 194 | se_disp(ep, D_BAK, gdstbc, 1);
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| 195 | ep = ep->e_bak;
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| 196 | }
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| 197 |
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| 198 | p_ctr = ep;
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| 199 | }
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| 200 |
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| 201 | ep = p_bak;
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| 202 | rt = t_bak;
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| 203 |
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| 204 | if (EV_SCORE NE ep->e_type) {
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| 205 |
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| 206 | ep = ep->e_bak;
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| 207 |
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| 208 | while (ep->e_time EQ rt) {
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| 209 |
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| 210 | if (EV_SCORE EQ ep->e_type)
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| 211 | break;
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| 212 |
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| 213 | se_disp(ep, D_BAK, gdstbp, 0);
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| 214 | ep = ep->e_bak;
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| 215 | }
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| 216 |
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| 217 | p_bak = ep;
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| 218 | }
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| 219 |
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| 220 | ep = p_fwd;
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| 221 | rt = t_fwd;
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| 222 |
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| 223 | if (EV_SCORE NE ep->e_type) {
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| 224 |
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| 225 | ep = ep->e_bak;
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| 226 |
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| 227 | while (ep->e_time EQ rt) {
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| 228 |
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| 229 | if (EV_SCORE EQ ep->e_type)
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| 230 | break;
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| 231 |
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| 232 | se_disp(ep, D_BAK, gdstbn, 0);
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| 233 | ep = ep->e_bak;
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| 234 | }
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| 235 |
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| 236 | p_fwd = ep;
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| 237 | }
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[6262b5c] | 238 | }
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| 239 |
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