1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
|
/* $NetBSD: grfabs_ccreg.h,v 1.6 1995/10/05 12:41:19 chopps Exp $ */
/*
* Copyright (c) 1994 Christian E. Hopps
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Christian E. Hopps.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#if ! defined (_GRFABS_CCREG_H)
#define _GRFABS_CCREG_H
typedef colormap_t *alloc_colormap_func (int);
typedef struct monitor_data {
LIST_HEAD(modelist, display_mode) modes; /* a list of supported modes. */
dmode_t *current_mode;
u_long flags; /* monitor flags. */
} mdata_t;
typedef struct display_mode_data {
monitor_t * monitor; /* the monitor that owns this mode. */
view_t * current_view; /* current view to be displayed. */
cop_t **frames;
u_short hedley_current; /* current hedley quadrent. */
u_short bplcon0; /* bplcon0 data. */
u_short std_start_x;
u_short std_start_y;
#if defined (GRF_ECS) || defined (GRF_AGA)
/* ECS registers. */
u_short beamcon0;
u_short hbstart; /* no modes use the rest of these */
u_short hbstop; /* ECS registers. */
u_short hsstart;
u_short hsstop;
u_short vbstart;
u_short vbstop;
u_short vsstart;
u_short vsstop;
#endif
/* some limit stuff. */
dimen_t max_size; /* largest fit. */
dimen_t min_size; /* smallest fit. */
u_short min_depth;
u_short max_depth;
u_long flags; /* mode specific flags. */
use_colormap_func *use_colormap;
get_colormap_func *get_colormap;
alloc_colormap_func *alloc_colormap;
display_view_func *display_view;
vbl_handler_func *vbl_handler; /* gets called every vertical blank. */
/* when this is the current mode.*/
} dmdata_t;
enum dmode_flag_bits {
DMB_INTERLACE,
DMB_HEDLEY_EXP
};
enum dmode_flags {
DMF_INTERLACE = 1 << DMB_INTERLACE,
DMF_HEDLEY_EXP = 1 << DMB_HEDLEY_EXP
};
typedef struct view_data {
dmode_t *mode; /* the mode for this view */
colormap_t *colormap;
u_long flags; /* view specific flags. */
} vdata_t;
enum view_flag_bits {
VB_DISPLAY,
};
enum view_flags {
VF_DISPLAY = 1 << VB_DISPLAY, /* set if view is being displayed */
};
/*
* This that are in grfabs_ccglb.c
*/
#if defined (GRF_A2024)
# if defined (GRF_PAL)
extern cop_t std_pal_a2024_copper_list[];
extern int std_pal_a2024_copper_list_len;
extern int std_pal_a2024_copper_list_size;
# endif
# if defined (GRF_NTSC)
extern cop_t std_a2024_copper_list[];
extern int std_a2024_copper_list_len;
extern int std_a2024_copper_list_size;
# endif
extern cop_t std_dlace_copper_list[];
extern int std_dlace_copper_list_len;
extern int std_dlace_copper_list_size;
extern u_short a2024_color_value_line0[4];
extern u_short a2024_color_value_line1[4];
#endif /* GRF_A2024 */
#if defined(GRF_AGA)
extern cop_t aga_copper_list[];
extern int aga_copper_list_len;
extern int aga_copper_list_size;
#endif
extern cop_t std_copper_list[];
extern int std_copper_list_len;
extern int std_copper_list_size;
extern monitor_t *cc_monitor;
extern u_short cc_default_colors[32];
extern u_short cc_a2024_default_colors[4];
/*
* Misc macros, defines and enums.
*/
#define MDATA(m) ((mdata_t *)(m->data))
#define DMDATA(d) ((dmdata_t *)(d->data))
#define VDATA(v) ((vdata_t *)(v->data))
#define RWDATA(r) ((rwdata_t *)(r->data))
#if defined (GRF_ECS) || defined (GRF_AGA)
#define CALC_DIWHIGH(hs, vs, he, ve) \
((u_short)((he&0x100)<<5)|(ve&0x700)|((hs&0x100)>>3)|((vs&0x700)>>8))
#define USE_CON3 0x0001
#else
#define USE_CON3 0x0
#endif
enum lace_frame_numbers {
F_LACE_LONG,
F_LACE_SHORT,
F_LACE_STORE_LONG,
F_LACE_STORE_SHORT,
F_LACE_TOTAL
};
enum frame_numbers {
F_LONG,
F_STORE_LONG,
F_TOTAL
};
#if defined (GRF_A2024)
/*
* Defines macros and enums for A2024 hedley expansion
*/
enum quad_frame_numbers {
F_QD_QUAD0, F_QD_QUAD1, F_QD_QUAD2, F_QD_QUAD3,
F_QD_STORE_QUAD0, F_QD_STORE_QUAD1, F_QD_STORE_QUAD2, F_QD_STORE_QUAD3,
F_QD_TOTAL
};
/* -------
* |0 |1 |
* |------
* |2 |3 |
* -------
*/
#define QUAD0_ID 0x0001
#define QUAD1_ID 0x00f1
#define QUAD2_ID 0x0f01
#define QUAD3_ID 0x0ff1
#define HALF_2024_LINE (512>>3)
#define DIGITAL_RED 0x0800
#define DIGITAL_GREEN 0x0080
#define DIGITAL_BLUE 0x0008
#define DIGITAL_INTENSE 0x0001
#define A2024_L0_BLACK (0)
#define A2024_L0_DGREY (DIGITAL_BLUE)
#define A2024_L0_LGREY (DIGITAL_RED)
#define A2024_L0_WHITE (DIGITAL_RED|DIGITAL_BLUE)
#define A2024_L1_BLACK (0)
#define A2024_L1_DGREY (DIGITAL_INTENSE)
#define A2024_L1_LGREY (DIGITAL_GREEN)
#define A2024_L1_WHITE (DIGITAL_GREEN|DIGITAL_INTENSE)
#define A2024_L0_INDEX(color_reg) (((0x4&color_reg)>>1)|(0x1&color_reg))
#define A2024_L1_INDEX(color_reg) (((0x8&color_reg)>>2)|((0x2&color_reg)>>1))
#define A2024_CM_TO_CR(cm,rn) \
(a2024_color_value_line0[0x3 & (cm)->entry[A2024_L0_INDEX(rn)]] |\
a2024_color_value_line1[0x3 & (cm)->entry[A2024_L1_INDEX(rn)]])
#endif /* GRF_A2024 */
/*
* Misc defined values for custom chips.
*/
/* ECS stuff */
#define VARVBLANK 0x1000 /* Variable vertical blank enable */
#define LOLDIS 0x0800 /* long line disable */
#define CSCBLANKEN 0x0400 /* redirect composite sync */
#define VARVSYNC 0x0200 /* Variable vertical sync enable */
#define VARHSYNC 0x0100 /* Variable horizontal sync enable */
#define VARBEAM 0x0080 /* variable beam counter enable */
#define DISPLAYDUAL 0x0040 /* use UHRES pointer and standard pointers */
#define DISPLAYPAL 0x0020 /* set decodes to generate PAL display */
#define VARCSYNC 0x0010 /* Variable composite sync enable */
#define CSBLANK 0x0008 /* Composite blank out to CSY* pin */
#define CSYNCTRUE 0x0004 /* composite sync true signal */
#define VSYNCTRUE 0x0002 /* vertical sync true */
#define HSYNCTRUE 0x0001 /* horizontal sync true */
/* new defines for bplcon0 */
#define USE_BPLCON3 1
/* new defines for bplcon2 */
#define BPLCON2_ZDCTEN (1<<10) /* colormapped genlock bit */
#define BPLCON2_ZDBPEN (1<<11) /* use bitplane as genlock bits */
#define BPLCON2_ZDBPSEL0 (1<<12) /* three bits to select one */
#define BPLCON2_ZDBPSEL1 (1<<13) /* of 8 bitplanes in */
#define BPLCON2_ZDBPSEL2 (1<<14) /* ZDBPEN genlock mode */
/* defines for bplcon3 register */
#define BPLCON3_EXTBLNKEN (1<<0) /* external blank enable */
#define BPLCON3_EXTBLKZD (1<<1) /* external blank ored into trnsprncy */
#define BPLCON3_ZDCLKEN (1<<2) /* zd pin outputs a 14mhz clock*/
#define BPLCON3_BRDNTRAN (1<<4) /* border is opaque */
#define BPLCON3_BRDNBLNK (1<<5) /* border is opaque */
/* mixture of stuff. */
#define STANDARD_NTSC_ROWS 262
#define STANDARD_PAL_ROWS 312
#define STANDARD_COLORCLOCKS 226
#define STANDARD_DENISE_MAX 455
#define STANDARD_DENISE_MIN 93
#define STANDARD_NTSC_BEAMCON ( 0x0000 )
#define STANDARD_PAL_BEAMCON ( DISPLAYPAL )
#define SPECIAL_BEAMCON ( VARVBLANK | LOLDIS | VARVSYNC | VARHSYNC | VARBEAM | CSBLANK | VSYNCTRUE)
#define MIN_NTSC_ROW 21
#define MIN_PAL_ROW 29
#define STANDARD_VIEW_X 0x81
#define STANDARD_VIEW_Y 0x2C
#define STANDARD_HBSTRT 0x06
#define STANDARD_HSSTRT 0x0B
#define STANDARD_HSSTOP 0x1C
#define STANDARD_HBSTOP 0x2C
#define STANDARD_VBSTRT 0x0122
#define STANDARD_VSSTRT 0x02A6
#define STANDARD_VSSTOP 0x03AA
#define STANDARD_VBSTOP 0x1066
/*
* Prototypes
*/
#if defined (__STDC__)
/* monitor functions */
monitor_t *cc_init_monitor(void);
void monitor_vbl_handler(monitor_t * m);
dmode_t *get_current_mode(void);
dmode_t *get_next_mode(dmode_t * d);
dmode_t *get_best_mode(dimen_t * size, u_char depth);
bmap_t *alloc_bitmap(u_short width, u_short height, u_short depth, u_short flags);
void free_bitmap(bmap_t * bm);
void cc_load_mode(dmode_t * d);
int cc_init_modes(void);
/* mode functions */
monitor_t *cc_get_monitor(dmode_t * d);
view_t *cc_get_current_view(dmode_t * d);
view_t *cc_alloc_view(dmode_t * mode, dimen_t * dim, u_char depth);
colormap_t *cc_alloc_colormap(int depth);
int cc_colormap_checkvals(colormap_t * vcm, colormap_t * cm, int use);
int cc_get_colormap(view_t * v, colormap_t * cm);
int cc_use_colormap(view_t * v, colormap_t * cm);
# if defined (GRF_A2024)
colormap_t *cc_a2024_alloc_colormap(int depth);
int cc_a2024_get_colormap(view_t * v, colormap_t * cm);
int cc_a2024_use_colormap(view_t * v, colormap_t * cm);
# endif /* GRF_2024 */
void cc_mode_vbl_handler(dmode_t * d);
void cc_lace_mode_vbl_handler(dmode_t * d);
/* view functions */
void cc_init_view(view_t * v, bmap_t * bm, dmode_t * mode, box_t * dbox);
void cc_free_view(view_t * v);
void cc_remove_view(view_t * v);
dmode_t * cc_get_display_mode(view_t * v);
# if defined (GRF_NTSC)
dmode_t *cc_init_ntsc_hires(void);
void display_hires_view(view_t * v);
dmode_t *cc_init_ntsc_hires_lace(void);
void display_hires_lace_view(view_t * v);
# if defined (GRF_A2024)
dmode_t *cc_init_ntsc_hires_dlace(void);
void display_hires_dlace_view(view_t * v);
dmode_t *cc_init_ntsc_a2024(void);
void display_a2024_view(view_t * v);
void a2024_mode_vbl_handler(dmode_t * d);
# endif /* GRF_A2024 */
# if defined (GRF_AGA)
dmode_t *cc_init_ntsc_aga(void);
void display_aga_view(view_t * v);
# endif /* GRF_AGA */
# endif /* GRF_NTSC */
# if defined (GRF_PAL)
dmode_t *cc_init_pal_hires(void);
void display_pal_hires_view(view_t * v);
dmode_t *cc_init_pal_hires_lace(void);
void display_pal_hires_lace_view(view_t * v);
# if defined (GRF_A2024)
dmode_t *cc_init_pal_hires_dlace(void);
void display_pal_hires_dlace_view(view_t * v);
dmode_t *cc_init_pal_a2024(void);
void display_pal_a2024_view(view_t * v);
void pal_a2024_mode_vbl_handler(dmode_t * d);
# endif /* GRF_A2024 */
# if defined (GRF_AGA)
dmode_t *cc_init_pal_aga(void);
void display_pal_aga_view(view_t * v);
# endif /* GRF_AGA */
# endif /* GRF_PAL */
#endif /* __STDC__ */
#endif /* _GRFABS_CCABS_H */
|
