grfabs_ccreg.h revision 1.2
1 /* 2 * Copyright (c) 1994 Christian E. Hopps 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Christian E. Hopps. 16 * 4. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * 30 * $Id: grfabs_ccreg.h,v 1.2 1994/03/27 06:23:35 chopps Exp $ 31 */ 32 33 #if ! defined (_GRFABS_CCREG_H) 34 #define _GRFABS_CCREG_H 35 36 typedef colormap_t *alloc_colormap_func (int); 37 38 typedef struct monitor_data { 39 LIST_HEAD(modelist, display_mode) modes; /* a list of supported modes. */ 40 dmode_t *current_mode; 41 u_long flags; /* monitor flags. */ 42 } mdata_t; 43 44 typedef struct display_mode_data { 45 monitor_t * monitor; /* the monitor that owns this mode. */ 46 view_t * current_view; /* current view to be displayed. */ 47 cop_t **frames; 48 u_short hedley_current; /* current hedley quadrent. */ 49 u_short bplcon0; /* bplcon0 data. */ 50 u_short std_start_x; 51 u_short std_start_y; 52 #if defined (GRF_ECS) 53 /* ECS registers. */ 54 u_short beamcon0; 55 u_short hbstart; /* no modes use the rest of these */ 56 u_short hbstop; /* ECS registers. */ 57 u_short hsstart; 58 u_short hsstop; 59 u_short vbstart; 60 u_short vbstop; 61 u_short vsstart; 62 u_short vsstop; 63 #endif 64 /* some limit stuff. */ 65 dimen_t max_size; /* largest fit. */ 66 dimen_t min_size; /* smallest fit. */ 67 u_short min_depth; 68 u_short max_depth; 69 u_long flags; /* mode specific flags. */ 70 use_colormap_func *use_colormap; 71 get_colormap_func *get_colormap; 72 alloc_colormap_func *alloc_colormap; 73 display_view_func *display_view; 74 vbl_handler_func *vbl_handler; /* gets called every vertical blank. */ 75 /* when this is the current mode.*/ 76 } dmdata_t; 77 78 enum dmode_flag_bits { 79 DMB_INTERLACE, 80 DMB_HEDLEY_EXP 81 }; 82 83 enum dmode_flags { 84 DMF_INTERLACE = 1 << DMB_INTERLACE, 85 DMF_HEDLEY_EXP = 1 << DMB_HEDLEY_EXP 86 }; 87 88 typedef struct view_data { 89 dmode_t *mode; /* the mode for this view */ 90 colormap_t *colormap; 91 u_long flags; /* view specific flags. */ 92 } vdata_t; 93 94 enum view_flag_bits { 95 VB_DISPLAY, 96 }; 97 98 enum view_flags { 99 VF_DISPLAY = 1 << VB_DISPLAY, /* set if view is being displayed */ 100 }; 101 102 /* 103 * This that are in grfabs_ccglb.c 104 */ 105 #if defined (GRF_A2024) 106 # if defined (GRF_PAL) 107 extern cop_t std_pal_a2024_copper_list[]; 108 extern int std_pal_a2024_copper_list_len; 109 extern int std_pal_a2024_copper_list_size; 110 # endif 111 # if defined (GRF_NTSC) 112 extern cop_t std_a2024_copper_list[]; 113 extern int std_a2024_copper_list_len; 114 extern int std_a2024_copper_list_size; 115 # endif 116 extern cop_t std_dlace_copper_list[]; 117 extern int std_dlace_copper_list_len; 118 extern int std_dlace_copper_list_size; 119 120 extern u_short a2024_color_value_line0[4]; 121 extern u_short a2024_color_value_line1[4]; 122 #endif /* GRF_A2024 */ 123 124 extern cop_t std_copper_list[]; 125 extern int std_copper_list_len; 126 extern int std_copper_list_size; 127 extern monitor_t *cc_monitor; 128 extern u_short cc_default_colors[32]; 129 extern u_short cc_a2024_default_colors[4]; 130 131 /* 132 * Misc macros, defines and enums. 133 */ 134 135 #define MDATA(m) ((mdata_t *)(m->data)) 136 #define DMDATA(d) ((dmdata_t *)(d->data)) 137 #define VDATA(v) ((vdata_t *)(v->data)) 138 #define RWDATA(r) ((rwdata_t *)(r->data)) 139 140 #if defined (GRF_ECS) 141 #define CALC_DIWHIGH(hs, vs, he, ve) \ 142 ((u_short)((he&0x100)<<5)|(ve&0x700)|((hs&0x100)>>3)|((vs&0x700)>>8)) 143 #define USE_CON3 0x0001 144 #else 145 #define USE_CON3 0x0 146 #endif 147 148 enum lace_frame_numbers { 149 F_LACE_LONG, 150 F_LACE_SHORT, 151 F_LACE_STORE_LONG, 152 F_LACE_STORE_SHORT, 153 F_LACE_TOTAL 154 }; 155 156 enum frame_numbers { 157 F_LONG, 158 F_STORE_LONG, 159 F_TOTAL 160 }; 161 162 #if defined (GRF_A2024) 163 164 /* 165 * Defines macros and enums for A2024 hedley expansion 166 */ 167 168 enum quad_frame_numbers { 169 F_QD_QUAD0, F_QD_QUAD1, F_QD_QUAD2, F_QD_QUAD3, 170 F_QD_STORE_QUAD0, F_QD_STORE_QUAD1, F_QD_STORE_QUAD2, F_QD_STORE_QUAD3, 171 F_QD_TOTAL 172 }; 173 174 /* ------- 175 * |0 |1 | 176 * |------ 177 * |2 |3 | 178 * ------- 179 */ 180 181 #define QUAD0_ID 0x0001 182 #define QUAD1_ID 0x00f1 183 #define QUAD2_ID 0x0f01 184 #define QUAD3_ID 0x0ff1 185 186 #define HALF_2024_LINE (512>>3) 187 #define DIGITAL_RED 0x0800 188 #define DIGITAL_GREEN 0x0080 189 #define DIGITAL_BLUE 0x0008 190 #define DIGITAL_INTENSE 0x0001 191 192 #define A2024_L0_BLACK (0) 193 #define A2024_L0_DGREY (DIGITAL_BLUE) 194 #define A2024_L0_LGREY (DIGITAL_RED) 195 #define A2024_L0_WHITE (DIGITAL_RED|DIGITAL_BLUE) 196 197 #define A2024_L1_BLACK (0) 198 #define A2024_L1_DGREY (DIGITAL_INTENSE) 199 #define A2024_L1_LGREY (DIGITAL_GREEN) 200 #define A2024_L1_WHITE (DIGITAL_GREEN|DIGITAL_INTENSE) 201 202 #define A2024_L0_INDEX(color_reg) (((0x4&color_reg)>>1)|(0x1&color_reg)) 203 #define A2024_L1_INDEX(color_reg) (((0x8&color_reg)>>2)|((0x2&color_reg)>>1)) 204 #define A2024_CM_TO_CR(cm,rn) \ 205 (a2024_color_value_line0[0x3 & (cm)->entry[A2024_L0_INDEX(rn)]] |\ 206 a2024_color_value_line1[0x3 & (cm)->entry[A2024_L1_INDEX(rn)]]) 207 #endif /* GRF_A2024 */ 208 209 /* 210 * Misc defined values for custom chips. 211 */ 212 213 /* ECS stuff */ 214 #define VARVBLANK 0x1000 /* Variable vertical blank enable */ 215 #define LOLDIS 0x0800 /* long line disable */ 216 #define CSCBLANKEN 0x0400 /* redirect composite sync */ 217 #define VARVSYNC 0x0200 /* Variable vertical sync enable */ 218 #define VARHSYNC 0x0100 /* Variable horizontal sync enable */ 219 #define VARBEAM 0x0080 /* variable beam counter enable */ 220 #define DISPLAYDUAL 0x0040 /* use UHRES pointer and standard pointers */ 221 #define DISPLAYPAL 0x0020 /* set decodes to generate PAL display */ 222 #define VARCSYNC 0x0010 /* Variable composite sync enable */ 223 #define CSBLANK 0x0008 /* Composite blank out to CSY* pin */ 224 #define CSYNCTRUE 0x0004 /* composite sync true signal */ 225 #define VSYNCTRUE 0x0002 /* vertical sync true */ 226 #define HSYNCTRUE 0x0001 /* horizontal sync true */ 227 228 /* new defines for bplcon0 */ 229 #define USE_BPLCON3 1 230 231 /* new defines for bplcon2 */ 232 #define BPLCON2_ZDCTEN (1<<10) /* colormapped genlock bit */ 233 #define BPLCON2_ZDBPEN (1<<11) /* use bitplane as genlock bits */ 234 #define BPLCON2_ZDBPSEL0 (1<<12) /* three bits to select one */ 235 #define BPLCON2_ZDBPSEL1 (1<<13) /* of 8 bitplanes in */ 236 #define BPLCON2_ZDBPSEL2 (1<<14) /* ZDBPEN genlock mode */ 237 238 /* defines for bplcon3 register */ 239 #define BPLCON3_EXTBLNKEN (1<<0) /* external blank enable */ 240 #define BPLCON3_EXTBLKZD (1<<1) /* external blank ored into trnsprncy */ 241 #define BPLCON3_ZDCLKEN (1<<2) /* zd pin outputs a 14mhz clock*/ 242 #define BPLCON3_BRDNTRAN (1<<4) /* border is opaque */ 243 #define BPLCON3_BRDNBLNK (1<<5) /* border is opaque */ 244 245 /* mixture of stuff. */ 246 #define STANDARD_NTSC_ROWS 262 247 #define STANDARD_PAL_ROWS 312 248 #define STANDARD_COLORCLOCKS 226 249 #define STANDARD_DENISE_MAX 455 250 #define STANDARD_DENISE_MIN 93 251 #define STANDARD_NTSC_BEAMCON ( 0x0000 ) 252 #define STANDARD_PAL_BEAMCON ( DISPLAYPAL ) 253 #define SPECIAL_BEAMCON ( VARVBLANK | LOLDIS | VARVSYNC | VARHSYNC | VARBEAM | CSBLANK | VSYNCTRUE) 254 255 #define MIN_NTSC_ROW 21 256 #define MIN_PAL_ROW 29 257 #define STANDARD_VIEW_X 0x81 258 #define STANDARD_VIEW_Y 0x2C 259 #define STANDARD_HBSTRT 0x06 260 #define STANDARD_HSSTRT 0x0B 261 #define STANDARD_HSSTOP 0x1C 262 #define STANDARD_HBSTOP 0x2C 263 #define STANDARD_VBSTRT 0x0122 264 #define STANDARD_VSSTRT 0x02A6 265 #define STANDARD_VSSTOP 0x03AA 266 #define STANDARD_VBSTOP 0x1066 267 268 /* 269 * Prototypes 270 */ 271 272 #if defined (__STDC__) 273 /* monitor functions */ 274 monitor_t *cc_init_monitor(void); 275 void monitor_vbl_handler(monitor_t * m); 276 dmode_t *get_current_mode(void); 277 dmode_t *get_next_mode(dmode_t * d); 278 dmode_t *get_best_mode(dimen_t * size, u_char depth); 279 bmap_t *alloc_bitmap(u_short width, u_short height, u_short depth, u_short flags); 280 void free_bitmap(bmap_t * bm); 281 void cc_load_mode(dmode_t * d); 282 int cc_init_modes(void); 283 /* mode functions */ 284 monitor_t *cc_get_monitor(dmode_t * d); 285 view_t *cc_get_current_view(dmode_t * d); 286 view_t *cc_alloc_view(dmode_t * mode, dimen_t * dim, u_char depth); 287 colormap_t *cc_alloc_colormap(int depth); 288 int cc_colormap_checkvals(colormap_t * vcm, colormap_t * cm, int use); 289 int cc_get_colormap(view_t * v, colormap_t * cm); 290 int cc_use_colormap(view_t * v, colormap_t * cm); 291 292 # if defined (GRF_A2024) 293 colormap_t *cc_a2024_alloc_colormap(int depth); 294 int cc_a2024_get_colormap(view_t * v, colormap_t * cm); 295 int cc_a2024_use_colormap(view_t * v, colormap_t * cm); 296 # endif /* GRF_2024 */ 297 298 void cc_mode_vbl_handler(dmode_t * d); 299 void cc_lace_mode_vbl_handler(dmode_t * d); 300 /* view functions */ 301 void cc_init_view(view_t * v, bmap_t * bm, dmode_t * mode, box_t * dbox); 302 void cc_free_view(view_t * v); 303 void cc_remove_view(view_t * v); 304 dmode_t * cc_get_display_mode(view_t * v); 305 306 # if defined (GRF_NTSC) 307 dmode_t *cc_init_ntsc_hires(void); 308 void display_hires_view(view_t * v); 309 dmode_t *cc_init_ntsc_hires_lace(void); 310 void display_hires_lace_view(view_t * v); 311 312 # if defined (GRF_A2024) 313 dmode_t *cc_init_ntsc_hires_dlace(void); 314 void display_hires_dlace_view(view_t * v); 315 dmode_t *cc_init_ntsc_a2024(void); 316 void display_a2024_view(view_t * v); 317 void a2024_mode_vbl_handler(dmode_t * d); 318 # endif /* GRF_A2024 */ 319 # endif /* GRF_NTSC */ 320 321 # if defined (GRF_PAL) 322 dmode_t *cc_init_pal_hires(void); 323 void display_pal_hires_view(view_t * v); 324 dmode_t *cc_init_pal_hires_lace(void); 325 void display_pal_hires_lace_view(view_t * v); 326 327 # if defined (GRF_A2024) 328 dmode_t *cc_init_pal_hires_dlace(void); 329 void display_pal_hires_dlace_view(view_t * v); 330 331 dmode_t *cc_init_pal_a2024(void); 332 void display_pal_a2024_view(view_t * v); 333 void pal_a2024_mode_vbl_handler(dmode_t * d); 334 # endif /* GRF_A2024 */ 335 # endif /* GRF_PAL */ 336 #endif /* __STDC__ */ 337 338 339 #endif /* _GRFABS_CCABS_H */ 340
Indexes created Tue Sep 23 07:09:52 GMT 2025