[f40a309] | 1 | /*
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| 2 | =============================================================================
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| 3 | uslice.c -- update score display slice
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| 4 | Version 32 -- 1988-09-28 -- D.N. Lynx Crowe
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| 5 | =============================================================================
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| 6 | */
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| 7 |
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| 8 | #undef DEBUGGER
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| 9 |
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| 10 | #define DEBUGIT 0
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| 11 |
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[6262b5c] | 12 | #include "all.h"
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[f40a309] | 13 |
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| 14 | #define BARCOLOR 0x3333
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| 15 |
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| 16 | /* variables defined elsewhere */
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| 17 |
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| 18 | #if DEBUGIT
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| 19 | extern short debugsw;
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| 20 | #endif
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| 21 |
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[7258c6a] | 22 | extern uint16_t scrl;
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[f40a309] | 23 |
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[7258c6a] | 24 | extern int16_t sbase;
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| 25 | extern int16_t sd;
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| 26 | extern int16_t soffset;
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[f40a309] | 27 |
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[7258c6a] | 28 | extern uint16_t *consl;
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| 29 | extern uint16_t *cursl;
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| 30 | extern uint16_t *nxtsl;
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| 31 | extern uint16_t *prvsl;
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| 32 | extern uint16_t *saddr;
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[f40a309] | 33 |
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[7258c6a] | 34 | extern uint16_t slices[];
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[f40a309] | 35 |
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[7258c6a] | 36 | extern int16_t gtctab[12]; /* group to color table */
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[f40a309] | 37 |
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| 38 | extern struct gdsel *gdfsep; /* gdsel freechain pointer */
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| 39 |
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| 40 | extern struct gdsel *gdstbc[NGDSEL]; /* group status list heads */
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| 41 | extern struct gdsel *gdstbn[NGDSEL]; /* group status list heads */
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| 42 | extern struct gdsel *gdstbp[NGDSEL]; /* group status list heads */
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| 43 |
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| 44 | extern struct gdsel gdfsl[MAXFSL]; /* gdsel pool */
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| 45 |
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| 46 | /* |
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| 47 |
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| 48 | */
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| 49 |
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| 50 | /* initialized data */
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[7258c6a] | 51 |
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[f40a309] | 52 | int16_t lintab1[] = { /* note top line table */
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| 53 |
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[9519422] | 54 | 205, 205, 201, 197, 197, 193, 193, 189, 185, 185, 181, 181,
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[f40a309] | 55 | 177, 177, 173, 169, 169, 165, 165, 161, 157, 157, 153, 153,
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| 56 | 149, 149, 145, 141, 141, 137, 137, 133, 129, 129, 125, 125,
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| 57 | 121, 121, 117, 113, 113, 109, 109, 105, 101, 101, 97, 97,
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| 58 | 93, 93, 89, 85, 85, 81, 81, 77, 73, 73, 69, 69,
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| 59 | 65, 65, 61, 57, 57, 53, 53, 49, 45, 45, 41, 41,
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| 60 | 37, 37, 33, 29, 29, 25, 25, 21, 17, 17, 13, 13,
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| 61 | 9, 9, 5, 1
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| 62 | };
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[7258c6a] | 63 |
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[f40a309] | 64 | int16_t lintab2[] = { /* note top line table - N_FLAT */
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[9519422] | 65 |
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| 66 | 205, 201, 201, 197, 193, 193, 189, 189, 185, 181, 181, 177,
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| 67 | 177, 173, 173, 169, 165, 165, 161, 161, 157, 153, 153, 149,
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| 68 | 149, 145, 145, 141, 137, 137, 133, 133, 129, 125, 125, 121,
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| 69 | 121, 117, 117, 113, 109, 109, 105, 105, 101, 97, 97, 93,
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| 70 | 93, 89, 89, 85, 81, 81, 77, 77, 73, 69, 69, 65,
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| 71 | 65, 61, 61, 57, 53, 53, 49, 49, 45, 41, 41, 37,
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[f40a309] | 72 | 37, 33, 33, 29, 25, 25, 21, 21, 17, 13, 13, 9,
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| 73 | 9, 5, 5, 1
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| 74 | };
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[7258c6a] | 75 |
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[f40a309] | 76 | int16_t nttab1[] = { /* forward code transition table */
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| 77 |
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| 78 | 0, /* 0 */
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| 79 | 2, /* 1 */
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| 80 | 3, /* 2 */
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| 81 | 3, /* 3 */
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| 82 | 5, /* 4 */
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| 83 | 3, /* 5 */
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| 84 | 0 /* 6 */
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| 85 | };
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[7258c6a] | 86 |
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[f40a309] | 87 | int16_t nttab2[] = { /* backward code transition table */
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| 88 |
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| 89 | 0, /* 0 */
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| 90 | 0, /* 1 */
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| 91 | 1, /* 2 */
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| 92 | 3, /* 3 */
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| 93 | 0, /* 4 */
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| 94 | 4, /* 5 */
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| 95 | 0 /* 6 */
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| 96 | };
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| 97 |
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| 98 | /* |
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| 99 |
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[c3aee8a] | 100 | */
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[f40a309] | 101 |
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| 102 | uint16_t pxtbl[][4] = { /* pixel mask table for notes */
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| 103 |
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| 104 | { 0x0000, 0x0000, 0x0000, 0 }, /* 0 */
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| 105 | { 0x0000, 0x0000, 0xFFFF, 0 }, /* 1 */
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| 106 | { 0x0000, 0xFFFF, 0xFFFF, 0 }, /* 2 */
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| 107 | { 0xFFFF, 0xFFFF, 0xFFFF, 0 }, /* 3 */
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| 108 | { 0xFFFF, 0x0000, 0x0000, 0 }, /* 4 */
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| 109 | { 0xFFFF, 0xFFFF, 0x0000, 0 }, /* 5 */
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| 110 | { 0xFFFF, 0xFFFF, 0xFFFF, 0 } /* 6 */
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[c3aee8a] | 111 | };
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[f40a309] | 112 |
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| 113 | uint16_t epxtbl[][16] = { /* pixel mask table for events */
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| 114 |
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| 115 | { 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, /* 0 */
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| 116 | 0xFFFF, 0x0000, 0x0000, 0x0000,
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| 117 | 0x0000, 0x0000, 0x0000, 0x0000,
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| 118 | 0, 0, 0, 0 },
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| 119 |
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| 120 | { 0x0000, 0x0000, 0x0000, 0x0000, /* 1 */
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| 121 | 0x0000, 0xFFFF, 0xFFFF, 0x0000,
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| 122 | 0x0000, 0x0000, 0x0000, 0x0000,
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| 123 | 0, 0, 0, 0 },
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| 124 |
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| 125 | { 0x0000, 0x0000, 0x0000, 0x0000, /* 2 */
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| 126 | 0x0000, 0x0000, 0x0000, 0xFFFF,
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| 127 | 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,
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| 128 | 0, 0, 0, 0 },
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| 129 |
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| 130 | { 0xFFFF, 0xFFFF, 0xFFFF, 0x0000, /* 3 */
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| 131 | 0x0000, 0x0000, 0x0000, 0x0000,
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| 132 | 0x0000, 0x0000, 0x0000, 0x0000,
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| 133 | 0, 0, 0, 0 },
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| 134 |
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| 135 | { 0x0000, 0x0000, 0x0000, 0xFFFF, /* 4 */
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| 136 | 0xFFFF, 0xFFFF, 0x0000, 0x0000,
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| 137 | 0x0000, 0x0000, 0x0000, 0x0000,
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| 138 | 0, 0, 0, 0 },
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| 139 |
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| 140 | { 0x0000, 0x0000, 0x0000, 0x0000, /* 5 */
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| 141 | 0x0000, 0x0000, 0xFFFF, 0xFFFF,
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| 142 | 0xFFFF, 0x0000, 0x0000, 0x0000,
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| 143 | 0, 0, 0, 0 },
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| 144 |
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| 145 | { 0x0000, 0x0000, 0x0000, 0x0000, /* 6 */
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| 146 | 0x0000, 0x0000, 0x0000, 0x0000,
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| 147 | 0x0000, 0xFFFF, 0xFFFF, 0xFFFF,
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| 148 | 0, 0, 0, 0 }
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| 149 | };
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| 150 |
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| 151 | /* |
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| 152 |
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| 153 | */
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| 154 |
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| 155 | /*
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| 156 | =============================================================================
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| 157 | uslice(slice, mask1, mask2, gdstb)
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| 158 |
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| 159 | Updates 'slice[]' using 'mask1' and 'mask2' for the pixel mask
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| 160 | and the slice mask, respectively, and 'gdstb[]' for the group table.
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| 161 |
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| 162 | Note transitions are based on the value of global variable 'sd',
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| 163 | which is zero for forward, and non-zero for backward scrolling.
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| 164 |
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| 165 | Returns count of active groups and event priority levels.
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| 166 |
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| 167 | Note colors come from 'gtctab[]'.
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| 168 |
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| 169 | This code must be very fast or the display bogs down the system.
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[7258c6a] | 170 | =============================================================================
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[f40a309] | 171 | */
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[7258c6a] | 172 |
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[f40a309] | 173 | int16_t uslice(uint16_t *slice, uint16_t mask1, uint16_t mask2, struct gdsel *gdstb[])
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[7258c6a] | 174 | {
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| 175 | register uint16_t *pxptr, *slptr;
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[f40a309] | 176 | register struct gdsel *gdsep;
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[7258c6a] | 177 | register uint16_t i, ncolor, w;
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| 178 | uint16_t *ncptr, *nctabp;
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[f40a309] | 179 | struct gdsel **gdstp, *gdprv, *gdnxt;
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| 180 | int16_t wrote;
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| 181 | int16_t *lintab;
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| 182 |
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| 183 | DB_ENTR("uslice()");
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| 184 |
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| 185 | /* initialize note color, note control, and group control pointers */
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| 186 |
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| 187 | gdstp = gdstb; /* group control table */
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| 188 | nctabp = sd ? nttab2 : nttab1; /* note transition table */
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| 189 | ncptr = gtctab; /* group to color table */
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| 190 | wrote = 0; /* reset count of active groups */
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| 191 |
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| 192 | lintab = (ac_code EQ N_SHARP) ? lintab1 : lintab2; /* line table */
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| 193 |
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| 194 | if (gdstb[NGDSEL - 1]) { /* check for a bar marker */
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| 195 |
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| 196 | slptr = slice; /* point at the slice */
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| 197 | ncolor = mask1 & BARCOLOR; /* setup bar write variable */
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| 198 |
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| 199 | for (i = 211; i--; ) /* draw the bar */
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| 200 | *slptr++ = (*slptr & mask2) | ncolor;
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| 201 |
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| 202 | gdstb[NGDSEL - 1] = (struct gdsel *)NULL; /* clear flag */
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| 203 | }
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| 204 |
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| 205 | /* |
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| 206 |
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| 207 | */
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| 208 |
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| 209 | for (i = 0; i < 12; i++) { /* scan the group control table ... */
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| 210 |
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| 211 | ncolor = mask1 & *ncptr++; /* get note color mask */
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| 212 | gdprv = (struct gdsel *)gdstp; /* setup previous pointer */
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| 213 | gdsep = *gdstp++; /* setup current pointer */
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| 214 |
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| 215 | if (gdsep) { /* ... process each active group ... */
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| 216 |
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| 217 | ++wrote; /* indicate slice was updated */
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| 218 |
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| 219 | do { /* ... for each note played by the group ... */
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| 220 |
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| 221 | /* setup slice and pixel pointers */
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| 222 |
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| 223 | slptr = slice + lintab[gdsep->note];
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| 224 | pxptr = &pxtbl[gdsep->code][0];
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| 225 |
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| 226 | /* update the slice */
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| 227 |
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| 228 | *slptr++ = (*slptr & mask2) | (*pxptr++ & ncolor);
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| 229 | *slptr++ = (*slptr & mask2) | (*pxptr++ & ncolor);
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| 230 | *slptr = (*slptr & mask2) | (*pxptr++ & ncolor);
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| 231 |
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| 232 | gdnxt = gdsep->next; /* set next pointer */
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| 233 |
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| 234 | /* update and check update note status code */
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| 235 |
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| 236 | if (0 EQ (gdsep->code = nctabp[gdsep->code])) {
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| 237 |
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| 238 | /* if it's zero, delete the element */
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| 239 |
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| 240 | gdprv->next = gdnxt;
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| 241 | gdsep->next = gdfsep;
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| 242 | gdfsep = gdsep;
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| 243 |
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| 244 | } else
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| 245 | gdprv = gdsep;
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| 246 |
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| 247 | gdsep = gdnxt; /* set pointer for next pass */
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| 248 |
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| 249 | } while (gdsep);
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| 250 | }
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| 251 | }
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| 252 |
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| 253 | /* |
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| 254 |
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| 255 | */
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| 256 | for (; i < (NGDSEL - 1); i++) {
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| 257 |
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| 258 | gdprv = (struct gdsel *)gdstp; /* setup previous pointer */
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| 259 | gdsep = *gdstp++; /* setup current pointer */
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| 260 |
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| 261 | if (gdsep) { /* ... process each active event priority ... */
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| 262 |
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| 263 | ++wrote; /* indicate slice was updated */
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| 264 |
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| 265 | do { /* ... for each event of this priority ... */
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| 266 |
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| 267 | /* setup slice and pixel pointers */
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| 268 |
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| 269 | slptr = slice + 212;
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| 270 | pxptr = &epxtbl[gdsep->code][0];
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| 271 |
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| 272 | /* get event color */
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| 273 |
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| 274 | ncolor = mask1 & gdsep->note;
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| 275 |
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| 276 | /* update the slice */
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| 277 |
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| 278 | if (w = *pxptr++) /* 212 */
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| 279 | *slptr = (*slptr & mask2) | (w & ncolor);
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| 280 |
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| 281 | ++slptr;
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| 282 |
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| 283 | if (w = *pxptr++) /* 213 */
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| 284 | *slptr = (*slptr & mask2) | (w & ncolor);
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| 285 |
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| 286 | ++slptr;
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| 287 |
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| 288 | if (w = *pxptr++) /* 214 */
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| 289 | *slptr = (*slptr & mask2) | (w & ncolor);
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| 290 |
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| 291 | ++slptr;
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| 292 |
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| 293 | if (w = *pxptr++) /* 215 */
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| 294 | *slptr = (*slptr & mask2) | (w & ncolor);
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| 295 |
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| 296 | ++slptr;
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| 297 |
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| 298 | if (w = *pxptr++) /* 216 */
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| 299 | *slptr = (*slptr & mask2) | (w & ncolor);
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| 300 |
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| 301 | ++slptr;
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| 302 |
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| 303 | if (w = *pxptr++) /* 217 */
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| 304 | *slptr = (*slptr & mask2) | (w & ncolor);
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| 305 |
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| 306 | ++slptr;
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| 307 |
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| 308 | if (w = *pxptr++) /* 218 */
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| 309 | *slptr = (*slptr & mask2) | (w & ncolor);
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| 310 |
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| 311 | ++slptr;
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| 312 |
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| 313 | if (w = *pxptr++) /* 219 */
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| 314 | *slptr = (*slptr & mask2) | (w & ncolor);
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| 315 |
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| 316 | ++slptr;
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| 317 |
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| 318 | if (w = *pxptr++) /* 220 */
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| 319 | *slptr = (*slptr & mask2) | (w & ncolor);
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| 320 |
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| 321 | ++slptr;
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| 322 |
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| 323 | if (w = *pxptr++) /* 221 */
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| 324 | *slptr = (*slptr & mask2) | (w & ncolor);
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| 325 |
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| 326 | ++slptr;
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| 327 |
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| 328 | if (w = *pxptr++) /* 222 */
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| 329 | *slptr = (*slptr & mask2) | (w & ncolor);
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| 330 |
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| 331 | ++slptr;
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| 332 |
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| 333 | if (w = *pxptr) /* 223 */
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| 334 | *slptr = (*slptr & mask2) | (w & ncolor);
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| 335 |
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| 336 | gdnxt = gdsep->next; /* set next pointer */
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| 337 | gdprv->next = gdnxt; /* delete the element */
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| 338 | gdsep->next = gdfsep;
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| 339 | gdfsep = gdsep;
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| 340 | gdsep = gdnxt; /* set pointer for next pass */
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| 341 |
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| 342 | } while (gdsep);
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| 343 | }
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| 344 | }
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| 345 |
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| 346 | DB_EXIT(wrote ? "uslice - slice written" : "uslice - no write");
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| 347 |
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| 348 | return(wrote);
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| 349 | }
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| 350 |
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| 351 | /* |
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| 352 |
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| 353 | */
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| 354 |
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| 355 | /*
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| 356 | =============================================================================
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| 357 | rslice(gdstb)
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[0580615] | 358 |
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[f40a309] | 359 | Reverses the slice codes in 'gdstb' based the value of sd,
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| 360 | which is zero for forward, and non-zero for backward scrolling.
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| 361 | =============================================================================
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[7258c6a] | 362 | */
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| 363 |
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[f40a309] | 364 | void rslice(struct gdsel *gdstb[])
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| 365 | {
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| 366 | register struct gdsel *gdsep;
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| 367 | register struct gdsel **gdstp;
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| 368 | register uint16_t *nctabp;
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| 369 | register uint16_t i, nc;
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| 370 | struct gdsel *gdprv, *gdnxt;
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| 371 |
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| 372 | DB_ENTR("rslice");
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| 373 |
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| 374 | #if DEBUGIT
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| 375 | if (debugsw)
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| 376 | printf("\nrslice($%lX): sd = %s\n", gdstb, sd ? "BAK" : "FWD");
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| 377 | #endif
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| 378 |
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| 379 | /* initialize note control and group control pointers */
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| 380 |
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| 381 | nctabp = sd ? nttab2 : nttab1; /* note control table pointer */
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| 382 | gdstp = gdstb; /* group control table pointer */
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| 383 |
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| 384 | /* |
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| 385 |
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| 386 | */
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| 387 | /* reverse note codes */
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| 388 |
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| 389 | for (i = 0; i < 12; i++) { /* scan the group control table ... */
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| 390 |
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| 391 | gdprv = (struct gdsel *)gdstp; /* setup previous pointer */
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| 392 | gdsep = *gdstp++; /* setup current pointer */
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| 393 |
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| 394 | if (gdsep) { /* ... process each active group ... */
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| 395 |
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| 396 | do { /* ... for each note played by the group ... */
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| 397 |
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| 398 | gdnxt = gdsep->next; /* set next pointer */
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| 399 |
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| 400 | /* update and check update note status code */
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| 401 |
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| 402 | if (0 EQ (gdsep->code = nctabp[nc = gdsep->code])) {
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| 403 |
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| 404 | #if DEBUGIT
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| 405 | if (debugsw)
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| 406 | printf("rslice: note %d - %d -> %d\n",
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| 407 | gdsep->note, nc, gdsep->code);
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| 408 | #endif
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| 409 |
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| 410 | /* if it's zero, delete the element */
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| 411 |
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| 412 | gdprv->next = gdnxt;
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| 413 | gdsep->next = gdfsep;
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| 414 | gdfsep = gdsep;
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| 415 |
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| 416 | } else {
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| 417 |
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| 418 | #if DEBUGIT
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| 419 | if (debugsw)
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| 420 | printf("rslice: note %d - %d -> %d\n",
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| 421 | gdsep->note, nc, gdsep->code);
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| 422 | #endif
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| 423 |
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| 424 | gdprv = gdsep;
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| 425 | }
|
---|
| 426 |
|
---|
| 427 | gdsep = gdnxt; /* set pointer for next pass */
|
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| 428 |
|
---|
| 429 | } while (gdsep);
|
---|
| 430 | }
|
---|
| 431 | }
|
---|
| 432 |
|
---|
| 433 | /* |
---|
| 434 |
|
---|
| 435 | */
|
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| 436 | /* delete event codes */
|
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| 437 |
|
---|
| 438 | for (; i < NGDSEL - 1; i++) {
|
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| 439 |
|
---|
| 440 | gdprv = (struct gdsel *)gdstp; /* setup previous pointer */
|
---|
| 441 | gdsep = *gdstp++; /* setup current pointer */
|
---|
| 442 |
|
---|
| 443 | if (gdsep) { /* ... process each active event priority ... */
|
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| 444 |
|
---|
| 445 | do { /* ... for each event of this priority ... */
|
---|
| 446 |
|
---|
| 447 | gdnxt = gdsep->next; /* set next pointer */
|
---|
| 448 | gdprv->next = gdnxt; /* delete the element */
|
---|
| 449 | gdsep->next = gdfsep;
|
---|
| 450 | gdfsep = gdsep;
|
---|
| 451 | gdsep = gdnxt; /* set pointer for next pass */
|
---|
| 452 |
|
---|
| 453 | } while (gdsep);
|
---|
| 454 | }
|
---|
| 455 | }
|
---|
| 456 |
|
---|
| 457 | gdstb[NGDSEL - 1] = (struct gdsel *)NULL; /* clear bar flag */
|
---|
| 458 |
|
---|
| 459 | DB_EXIT("rslice");
|
---|
| 460 | }
|
---|
| 461 |
|
---|
| 462 | /* |
---|
| 463 |
|
---|
| 464 | */
|
---|
| 465 |
|
---|
| 466 | /*
|
---|
| 467 | =============================================================================
|
---|
| 468 | cslice(slice, mask1, mask2, gdstb)
|
---|
| 469 |
|
---|
| 470 | Updates 'slice[]' using 'mask1' and 'mask2' for the pixel mask
|
---|
| 471 | and the slice mask, respectively, using 'gdstb[]' as the group table.
|
---|
| 472 |
|
---|
| 473 | Differs from uslice() in that no note gdstb events are deleted.
|
---|
| 474 | Used for center slice updates.
|
---|
| 475 |
|
---|
| 476 | Note transitions are based on the value of global variable 'sd',
|
---|
| 477 | which is zero for forward, and non-zero for backward scrolling.
|
---|
[7258c6a] | 478 |
|
---|
[f40a309] | 479 | Returns count of active groups and event priority levels.
|
---|
[7258c6a] | 480 |
|
---|
[f40a309] | 481 | Note colors come from 'gtctab[]'.
|
---|
[7258c6a] | 482 |
|
---|
| 483 | This code has to be very fast.
|
---|
[f40a309] | 484 | =============================================================================
|
---|
[7258c6a] | 485 | */
|
---|
| 486 |
|
---|
[f40a309] | 487 | int16_t cslice(uint16_t *slice, uint16_t mask1, uint16_t mask2, struct gdsel *gdstb[])
|
---|
| 488 | {
|
---|
| 489 | register uint16_t *pxptr, *slptr;
|
---|
| 490 | register struct gdsel *gdsep;
|
---|
| 491 | register uint16_t i, ncolor, w;
|
---|
| 492 | uint16_t *ncptr, *nctabp;
|
---|
| 493 | struct gdsel **gdstp, *gdprv, *gdnxt;
|
---|
| 494 | int16_t wrote;
|
---|
| 495 | int16_t *lintab;
|
---|
| 496 |
|
---|
| 497 | DB_ENTR("cslice()");
|
---|
| 498 |
|
---|
| 499 | /* initialize note color, note control, and group control pointers */
|
---|
| 500 |
|
---|
| 501 | gdstp = gdstb; /* group control table */
|
---|
| 502 | nctabp = sd ? nttab2 : nttab1; /* note transition table */
|
---|
| 503 | ncptr = gtctab; /* group to color table */
|
---|
| 504 | wrote = 0; /* reset count of active groups */
|
---|
| 505 |
|
---|
| 506 | lintab = (ac_code EQ N_SHARP) ? lintab1 : lintab2; /* line table */
|
---|
| 507 |
|
---|
| 508 | if (gdstb[NGDSEL - 1]) { /* check for a bar marker */
|
---|
| 509 |
|
---|
| 510 | slptr = slice; /* point at the slice */
|
---|
| 511 | ncolor = mask1 & BARCOLOR; /* setup bar write variable */
|
---|
| 512 |
|
---|
| 513 | for (i = 211; i--; ) /* draw the bar */
|
---|
| 514 | *slptr++ = (*slptr & mask2) | ncolor;
|
---|
| 515 |
|
---|
| 516 | gdstb[NGDSEL - 1] = (struct gdsel *)NULL; /* clear flag */
|
---|
| 517 | }
|
---|
| 518 |
|
---|
| 519 | /* |
---|
| 520 |
|
---|
| 521 | */
|
---|
| 522 |
|
---|
| 523 | for (i = 0; i < 12; i++) { /* scan the group control table ... */
|
---|
| 524 |
|
---|
| 525 | ncolor = *ncptr++; /* get note color */
|
---|
| 526 | gdprv = (struct gdsel *)gdstp; /* setup previous pointer */
|
---|
| 527 | gdsep = *gdstp++; /* setup current pointer */
|
---|
| 528 |
|
---|
| 529 | if (gdsep) { /* ... process each active group ... */
|
---|
| 530 |
|
---|
| 531 | #ifdef DEBUGGER
|
---|
| 532 | sprintf(DBvar, "cslice - g=%d gdsep=$%lX", i, gdsep); DB_CMNT(DBvar);
|
---|
| 533 | #endif
|
---|
| 534 | ++wrote; /* indicate slice was updated */
|
---|
| 535 |
|
---|
| 536 | do { /* ... for each note played by the group ... */
|
---|
| 537 |
|
---|
| 538 | /* setup slice and pixel pointers */
|
---|
| 539 |
|
---|
| 540 | slptr = slice + lintab[gdsep->note];
|
---|
| 541 | pxptr = &pxtbl[gdsep->code][0];
|
---|
| 542 |
|
---|
| 543 | /* update the slice */
|
---|
| 544 |
|
---|
| 545 | *slptr++ = (*slptr & mask2) | (*pxptr++ & ncolor);
|
---|
| 546 | *slptr++ = (*slptr & mask2) | (*pxptr++ & ncolor);
|
---|
| 547 | *slptr = (*slptr & mask2) | (*pxptr++ & ncolor);
|
---|
| 548 |
|
---|
| 549 | gdnxt = gdsep->next; /* set nxt pointer */
|
---|
| 550 | gdprv = gdsep; /* set prv pointer */
|
---|
| 551 | gdsep = gdnxt; /* set pointer for next pass */
|
---|
| 552 |
|
---|
| 553 | } while (gdsep);
|
---|
| 554 | }
|
---|
| 555 | }
|
---|
| 556 |
|
---|
| 557 | /* |
---|
| 558 |
|
---|
| 559 | */
|
---|
| 560 | for (; i < (NGDSEL - 1); i++) { /* scan the event priorities ... */
|
---|
| 561 |
|
---|
| 562 | gdprv = (struct gdsel *)gdstp; /* setup previous pointer */
|
---|
| 563 | gdsep = *gdstp++; /* setup current pointer */
|
---|
| 564 |
|
---|
| 565 | if (gdsep) { /* ... process each active event priority ... */
|
---|
| 566 |
|
---|
| 567 | ++wrote; /* indicate slice was updated */
|
---|
| 568 |
|
---|
| 569 | do { /* ... for each event of this priority ... */
|
---|
| 570 |
|
---|
| 571 | /* setup slice and pixel pointers */
|
---|
| 572 |
|
---|
| 573 | slptr = slice + 212;
|
---|
| 574 | pxptr = &epxtbl[gdsep->code][0];
|
---|
| 575 |
|
---|
| 576 | ncolor = gdsep->note; /* get event color */
|
---|
| 577 |
|
---|
| 578 | /* update the slice */
|
---|
| 579 |
|
---|
| 580 | if (w = *pxptr++) /* 212 */
|
---|
| 581 | *slptr = (*slptr & mask2) | (w & ncolor);
|
---|
| 582 |
|
---|
| 583 | ++slptr;
|
---|
| 584 |
|
---|
| 585 | if (w = *pxptr++) /* 213 */
|
---|
| 586 | *slptr = (*slptr & mask2) | (w & ncolor);
|
---|
| 587 |
|
---|
| 588 | ++slptr;
|
---|
| 589 |
|
---|
| 590 | if (w = *pxptr++) /* 214 */
|
---|
| 591 | *slptr = (*slptr & mask2) | (w & ncolor);
|
---|
| 592 |
|
---|
| 593 | ++slptr;
|
---|
| 594 |
|
---|
| 595 | if (w = *pxptr++) /* 215 */
|
---|
| 596 | *slptr = (*slptr & mask2) | (w & ncolor);
|
---|
| 597 |
|
---|
| 598 | ++slptr;
|
---|
| 599 |
|
---|
| 600 | if (w = *pxptr++) /* 216 */
|
---|
| 601 | *slptr = (*slptr & mask2) | (w & ncolor);
|
---|
| 602 |
|
---|
| 603 | ++slptr;
|
---|
| 604 |
|
---|
| 605 | if (w = *pxptr++) /* 217 */
|
---|
| 606 | *slptr = (*slptr & mask2) | (w & ncolor);
|
---|
| 607 |
|
---|
| 608 | ++slptr;
|
---|
| 609 |
|
---|
| 610 | if (w = *pxptr++) /* 218 */
|
---|
| 611 | *slptr = (*slptr & mask2) | (w & ncolor);
|
---|
| 612 |
|
---|
| 613 | ++slptr;
|
---|
| 614 |
|
---|
| 615 | if (w = *pxptr++) /* 219 */
|
---|
| 616 | *slptr = (*slptr & mask2) | (w & ncolor);
|
---|
| 617 |
|
---|
| 618 | ++slptr;
|
---|
| 619 |
|
---|
| 620 | if (w = *pxptr++) /* 220 */
|
---|
| 621 | *slptr = (*slptr & mask2) | (w & ncolor);
|
---|
| 622 |
|
---|
| 623 | ++slptr;
|
---|
| 624 |
|
---|
| 625 | if (w = *pxptr++) /* 221 */
|
---|
| 626 | *slptr = (*slptr & mask2) | (w & ncolor);
|
---|
| 627 |
|
---|
| 628 | ++slptr;
|
---|
| 629 |
|
---|
| 630 | if (w = *pxptr++) /* 222 */
|
---|
| 631 | *slptr = (*slptr & mask2) | (w & ncolor);
|
---|
| 632 |
|
---|
| 633 | ++slptr;
|
---|
| 634 |
|
---|
| 635 | if (w = *pxptr) /* 223 */
|
---|
| 636 | *slptr = (*slptr & mask2) | (w & ncolor);
|
---|
| 637 |
|
---|
| 638 | gdnxt = gdsep->next; /* set next pointer */
|
---|
| 639 | gdprv->next = gdnxt; /* delete the element */
|
---|
| 640 | gdsep->next = gdfsep;
|
---|
| 641 | gdfsep = gdsep;
|
---|
| 642 | gdsep = gdnxt; /* set pointer for next pass */
|
---|
| 643 |
|
---|
| 644 | } while (gdsep);
|
---|
| 645 | }
|
---|
| 646 | }
|
---|
| 647 |
|
---|
| 648 | DB_EXIT(wrote ? "cslice - slice written" : "cslice - no write");
|
---|
| 649 |
|
---|
| 650 | return(wrote);
|
---|
[0580615] | 651 | }
|
---|
[f40a309] | 652 |
|
---|
| 653 | /* |
---|
[7258c6a] | 654 |
|
---|
[f40a309] | 655 | */
|
---|
| 656 |
|
---|
| 657 | /*
|
---|
| 658 | =============================================================================
|
---|
| 659 | clrsctl() -- clear slice control list and pointers
|
---|
| 660 | =============================================================================
|
---|
| 661 | */
|
---|
| 662 |
|
---|
| 663 | void clrsctl(void)
|
---|
| 664 | {
|
---|
| 665 | register struct gdsel *gdsp, *gnxt, **gp;
|
---|
| 666 | register int16_t i;
|
---|
| 667 |
|
---|
| 668 | gdfsep = gdsp = &gdfsl[0]; /* initialize slice control pool */
|
---|
| 669 | gnxt = &gdfsl[1];
|
---|
| 670 |
|
---|
| 671 | for (i = MAXFSL - 1; i--; ) {
|
---|
| 672 |
|
---|
| 673 | gdsp->code = 0;
|
---|
| 674 | gdsp->note = 0;
|
---|
| 675 | gdsp->next = gnxt;
|
---|
| 676 |
|
---|
| 677 | gdsp++;
|
---|
| 678 | gnxt++;
|
---|
| 679 | }
|
---|
| 680 |
|
---|
| 681 | gdsp->code = 0;
|
---|
| 682 | gdsp->note = 0;
|
---|
| 683 | gdsp->next = (struct gdsel *)0L;
|
---|
| 684 |
|
---|
| 685 | gp = gdstbc; /* clear gdstbc */
|
---|
| 686 |
|
---|
| 687 | for (i = NGDSEL; i--; )
|
---|
| 688 | *gp++ = (struct gdsel *)0L;
|
---|
| 689 |
|
---|
| 690 | gp = gdstbn; /* clear gdstbn */
|
---|
| 691 |
|
---|
| 692 | for (i = NGDSEL; i--; )
|
---|
| 693 | *gp++ = (struct gdsel *)0L;
|
---|
| 694 |
|
---|
| 695 | gp = gdstbp; /* clear gdstbp */
|
---|
| 696 |
|
---|
| 697 | for (i = NGDSEL; i--; )
|
---|
| 698 | *gp++ = (struct gdsel *)0L;
|
---|
[7258c6a] | 699 |
|
---|
| 700 | sbase = I_SBASE; /* initialize score video RAM offset */
|
---|
[f40a309] | 701 | soffset = I_OFFSET; /* initialize scroll register offset */
|
---|
| 702 | saddr = &v_score[sbase]; /* initialize score area base address */
|
---|
| 703 |
|
---|
| 704 | consl = &slices[672]; /* initialize constant slice pointer */
|
---|
| 705 | prvsl = &slices[448]; /* initialize previous slice pointer */
|
---|
| 706 | cursl = &slices[224]; /* initialize current slice pointer */
|
---|
| 707 | nxtsl = &slices[0]; /* initialize next slice pointer */
|
---|
| 708 | /* |
---|
| 709 |
|
---|
| 710 | */
|
---|
| 711 | {
|
---|
| 712 | register uint16_t *p1, *p2, *p3, sword;
|
---|
| 713 | uint16_t *p4;
|
---|
| 714 |
|
---|
| 715 | p1 = consl; /* clear slices */
|
---|
[6262b5c] | 716 | p2 = nxtsl;
|
---|
| 717 | p3 = cursl;
|
---|
| 718 | p4 = prvsl;
|
---|
| 719 |
|
---|
| 720 | for (i = 224; i--; ) {
|
---|
| 721 |
|
---|
| 722 | sword = *p1++;
|
---|
| 723 | *p2++ = sword;
|
---|
| 724 | *p3++ = sword;
|
---|
| 725 | *p4++ = sword;
|
---|
| 726 | }
|
---|
| 727 | }
|
---|
| 728 | }
|
---|
| 729 |
|
---|