vidmodes.c 11.3 KB
Newer Older
1 2
/* $Id$ */

deuce's avatar
deuce committed
3
#include <stdlib.h>
4
#include <stdbool.h>
deuce's avatar
deuce committed
5

6 7 8
/* xpdev: */
#include <gen_defs.h>	/* FREE_AND_NULL */

9
#include "vidmodes.h"
deuce's avatar
deuce committed
10

11
struct video_params vparams[] = {
12
	/* BW 40x25 */
13
	{BW40, GREYSCALE_PALETTE, 40, 25, 14, 15, 16, 8, 1},
14
	/* CO 40x25 */
15
	{C40, COLOUR_PALETTE, 40, 25, 14, 15, 16, 8, 1},
16
	/* BW 80x25 */
17
	{BW80, GREYSCALE_PALETTE, 80, 25, 14, 15, 16, 8, 1},
18
	/* CO 80x25 */
19
	{C80, COLOUR_PALETTE, 80, 25, 14, 15, 16, 8, 1},
20
	/* MONO */
21
	{MONO, 0, 80, 25, 14, 15, 16, 8, 1},
22
	/* CO 40x14 */
23
	{C40X14, COLOUR_PALETTE, 40, 14, 14, 15, 16, 8, 1},
24
	/* CO 40x21 */
25
	{C40X21, COLOUR_PALETTE, 40, 21, 14, 15, 16, 8, 1},
26
	/* CO 40x28 */
27
	{C40X28, COLOUR_PALETTE, 40, 28, 12, 13, 14, 8, 1},
28
	/* CO 40x43 */
29
	{C40X43, COLOUR_PALETTE, 40, 43, 7, 7, 8, 8, 1},
30
	/* CO 40x50 */
31
	{C40X50, COLOUR_PALETTE, 40, 50, 7, 7, 8, 8, 1},
32
	/* CO 40x60 */
33
	{C40X60, COLOUR_PALETTE, 40, 60, 7, 7, 8, 8, 1},
34
	/* CO 80x14 */
35
	{C80X14, COLOUR_PALETTE, 80, 14, 14, 15, 16, 8, 1},
36
	/* CO 80x21 */
37
	{C80X21, COLOUR_PALETTE, 80, 21, 14, 15, 16, 8, 1},
38
	/* CO 80x28 */
39
	{C80X28, COLOUR_PALETTE, 80, 28, 12, 13, 14, 8, 1},
40 41
	/* CO 80x30 */
	{C80X30, COLOUR_PALETTE, 80, 30, 14, 15, 16, 8, 1},
42
	/* CO 80x43 */
43
	{C80X43, COLOUR_PALETTE, 80, 43, 7, 7, 8, 8, 1},
44
	/* CO 80x50 */
45
	{C80X50, COLOUR_PALETTE, 80, 50, 7, 7, 8, 8, 1},
46
	/* CO 80x60 */
47
	{C80X60, COLOUR_PALETTE, 80, 60, 7, 7, 8, 8, 1},
48
	/* B 40x14 */
49
	{BW40X14, GREYSCALE_PALETTE, 40, 14, 14, 15, 16, 8, 1},
50
	/* BW 40x21 */
51
	{BW40X21, GREYSCALE_PALETTE, 40, 21, 14, 15, 16, 8, 1},
52
	/* BW 40x28 */
53
	{BW40X28, GREYSCALE_PALETTE, 40, 28, 12, 13, 14, 8, 1},
54
	/* BW 40x43 */
55
	{BW40X43, GREYSCALE_PALETTE, 40, 43, 7, 7, 8, 8, 1},
56
	/* BW 40x50 */
57
	{BW40X50, GREYSCALE_PALETTE, 40, 50, 7, 7, 8, 8, 1},
58
	/* BW 40x60 */
59
	{BW40X60, GREYSCALE_PALETTE, 40, 60, 7, 7, 8, 8, 1},
60
	/* BW 80x14 */
61
	{BW80X14, GREYSCALE_PALETTE, 80, 14, 14, 15, 16, 8, 1},
62
	/* BW 80x21 */
63
	{BW80X21, GREYSCALE_PALETTE, 80, 21, 14, 15, 16, 8, 1},
64
	/* BW 80x28 */
65
	{BW80X28, GREYSCALE_PALETTE, 80, 28, 12, 13, 14, 8, 1},
66
	/* BW 80x43 */
67
	{BW80X43, GREYSCALE_PALETTE, 80, 43, 7, 7, 8, 8, 1},
68
	/* BW 80x50 */
69
	{BW80X50, GREYSCALE_PALETTE, 80, 50, 7, 7, 8, 8, 1},
70
	/* BW 80x60 */
71
	{BW80X60, GREYSCALE_PALETTE, 80, 60, 7, 7, 8, 8, 1},
72
	/* MONO 80x14 */
73
	{MONO14, MONO_PALETTE, 80, 14, 14, 15, 16, 8, 1},
74
	/* MONO 80x21 */
75
	{MONO21, MONO_PALETTE, 80, 21, 14, 15, 16, 8, 1},
76
	/* MONO 80x28 */
77
	{MONO28, MONO_PALETTE, 80, 28, 12, 13, 14, 8, 1},
78
	/* MONO 80x43 */
79
	{MONO43, MONO_PALETTE, 80, 43, 7, 7, 8, 8, 1},
80
	/* MONO 80x50 */
81
	{MONO50, MONO_PALETTE, 80, 50, 7, 7, 8, 8, 1},
82
	/* MONO 80x60 */
83
	{MONO60, MONO_PALETTE, 80, 60, 7, 7, 8, 8, 1},
84
	/* Magical C4350 Mode */
85
	{C4350, COLOUR_PALETTE, 80, 50, 7, 7, 8, 8, 1},
86
	/* Commodore 64 40x25 mode */
87
	{C64_40X25, C64_PALETTE, 40, 25, 0, 7, 8, 8, 1},
88
	/* Commodore 128 40x25 mode */
89
	{C128_40X25, COLOUR_PALETTE, 40, 25, 0, 7, 8, 8, 1},
90
	/* Commodore 128 80x25 mode */
91
	{C128_80X25, COLOUR_PALETTE, 80, 25, 0, 7, 8, 8, 2},
92
	/* Atari 800 40x24 mode */
93
	{ATARI_40X24, ATARI_PALETTE, 40, 24, 0, 7, 8, 8, 1},
94
	/* Atari 800 XEP80 80x25 mode */
95
	{ATARI_80X25, GREYSCALE_PALETTE, 80, 25, 0, 15, 16, 8, 1},
deuce's avatar
deuce committed
96
	/* VESA 21x132 mode */
97
	{VESA_132X21, COLOUR_PALETTE, 132, 21, 14, 15, 16, 8, 1},
deuce's avatar
deuce committed
98
	/* VESA 25x132 mode */
99
	{VESA_132X25, COLOUR_PALETTE, 132, 25, 14, 15, 16, 8, 1},
deuce's avatar
deuce committed
100
	/* VESA 28x132 mode */
101
	{VESA_132X28, COLOUR_PALETTE, 132, 28, 12, 13, 14, 8, 1},
deuce's avatar
deuce committed
102
	/* VESA 30x132 mode */
103
	{VESA_132X30, COLOUR_PALETTE, 132, 30, 14, 15, 16, 8, 1},
deuce's avatar
deuce committed
104
	/* VESA 34x132 mode */
105
	{VESA_132X34, COLOUR_PALETTE, 132, 34, 12, 13, 14, 8, 1},
deuce's avatar
deuce committed
106
	/* VESA 43x132 mode */
107
	{VESA_132X43, COLOUR_PALETTE, 132, 43, 7, 7, 8, 8, 1},
deuce's avatar
deuce committed
108
	/* VESA 50x132 mode */
109
	{VESA_132X50, COLOUR_PALETTE, 132, 50, 7, 7, 8, 8, 1},
deuce's avatar
deuce committed
110
	/* VESA 60x132 mode */
111
	{VESA_132X60, COLOUR_PALETTE, 132, 60, 7, 7, 8, 8, 1},
112
	/* Awesome modes */
113 114
	{ST132X37_16_9, COLOUR_PALETTE, 132, 37, 14, 15, 16, 8, 1},
	{ST132X52_5_4, COLOUR_PALETTE, 132, 52, 14, 15, 16, 8, 1},
115 116
};

117
uint32_t palettes[5][16] = {
118 119 120 121 122 123 124 125 126
	/* Mono */
	{ 0x00, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
	  0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07
	},
	/* Black and White */
	{ 0x00, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
	  0x08, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f
	},
	/* Colour */
127 128
	{ 0x00, 0x04, 0x02, 0x06, 0x01, 0x05, 0x03, 0x07, 
	  0x08, 0x0c, 0x0a, 0x0e, 0x09, 0x0d, 0x0b, 0x0f
deuce's avatar
deuce committed
129
	},
130
	/* C64 */
131 132
	{ 0x100, 0x101, 0x102, 0x103, 0x104, 0x105, 0x106, 0x107, 
	  0x108, 0x109, 0x10a, 0x10b, 0x10c, 0x10d, 0x10e, 0x10f
133
	},
deuce's avatar
deuce committed
134
	/* Atari */
135 136
	{ 0x110, 0x111, 0x111, 0x111, 0x111, 0x111, 0x111, 0x111,
	  0x111, 0x111, 0x111, 0x111, 0x111, 0x111, 0x111, 0x111
deuce's avatar
deuce committed
137
	},
138 139
};

140
struct dac_colors dac_default[TOTAL_DAC_SIZE] = {
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
	/* "System" colours */
	{0, 0, 0},       // Black
	{168, 0, 0},     // Red
	{0, 168, 0},     // Green
	{168, 84, 0},    // Brown
	{0, 0, 168},     // Blue
	{168, 0, 168},   // Magenta
	{0, 168, 168},   // Cyan
	{168, 168, 168}, // Light Gray

	{84, 84, 84},    // Dark Gray
	{255, 84, 84},   // Light Red
	{84, 255, 84},   // Light Green
	{255, 255, 84},  // Yellow
	{84, 84, 255},   // Light Blue
	{255, 84, 255},  // Light Magenta
	{84, 255, 255},  // Light Cyan
	{255, 255, 255}, // White

	/* XTerm 256 colour palette */
	{0, 0, 0}, {0, 0, 95}, {0, 0, 135}, {0, 0, 175},
	{0, 0, 215}, {0, 0, 255}, {0, 95, 0}, {0, 95, 95},
	{0, 95, 135}, {0, 95, 175}, {0, 95, 215}, {0, 95, 255},
	{0, 135, 0}, {0, 135, 95}, {0, 135, 135}, {0, 135, 175},
	{0, 135, 215}, {0, 135, 255}, {0, 175, 0}, {0, 175, 95},
	{0, 175, 135}, {0, 175, 175}, {0, 175, 215}, {0, 175, 255},
	{0, 215, 0}, {0, 215, 95}, {0, 215, 135}, {0, 215, 175},
	{0, 215, 215}, {0, 215, 255}, {0, 255, 0}, {0, 255, 95},
	{0, 255, 135}, {0, 255, 175}, {0, 255, 215}, {0, 255, 255},
	{95, 0, 0}, {95, 0, 95}, {95, 0, 135}, {95, 0, 175},
	{95, 0, 215}, {95, 0, 255}, {95, 95, 0}, {95, 95, 95},
	{95, 95, 135}, {95, 95, 175}, {95, 95, 215}, {95, 95, 255},
	{95, 135, 0}, {95, 135, 95}, {95, 135, 135}, {95, 135, 175},
	{95, 135, 215}, {95, 135, 255}, {95, 175, 0}, {95, 175, 95},
	{95, 175, 135}, {95, 175, 175}, {95, 175, 215}, {95, 175, 255},
	{95, 215, 0}, {95, 215, 95}, {95, 215, 135}, {95, 215, 175},
	{95, 215, 215}, {95, 215, 255}, {95, 255, 0}, {95, 255, 95},
	{95, 255, 135}, {95, 255, 175}, {95, 255, 215}, {95, 255, 255},
	{135, 0, 0}, {135, 0, 95}, {135, 0, 135}, {135, 0, 175},
	{135, 0, 215}, {135, 0, 255}, {135, 95, 0}, {135, 95, 95},
	{135, 95, 135}, {135, 95, 175}, {135, 95, 215}, {135, 95, 255},
	{135, 135, 0}, {135, 135, 95}, {135, 135, 135}, {135, 135, 175},
	{135, 135, 215}, {135, 135, 255}, {135, 175, 0}, {135, 175, 95},
	{135, 175, 135}, {135, 175, 175}, {135, 175, 215}, {135, 175, 255},
	{135, 215, 0}, {135, 215, 95}, {135, 215, 135}, {135, 215, 175},
	{135, 215, 215}, {135, 215, 255}, {135, 255, 0}, {135, 255, 95},
	{135, 255, 135}, {135, 255, 175}, {135, 255, 215}, {135, 255, 255},
	{175, 0, 0}, {175, 0, 95}, {175, 0, 135}, {175, 0, 175},
	{175, 0, 215}, {175, 0, 255}, {175, 95, 0}, {175, 95, 95},
	{175, 95, 135}, {175, 95, 175}, {175, 95, 215}, {175, 95, 255},
	{175, 135, 0}, {175, 135, 95}, {175, 135, 135}, {175, 135, 175},
	{175, 135, 215}, {175, 135, 255}, {175, 175, 0}, {175, 175, 95},
	{175, 175, 135}, {175, 175, 175}, {175, 175, 215}, {175, 175, 255},
	{175, 215, 0}, {175, 215, 95}, {175, 215, 135}, {175, 215, 175},
	{175, 215, 215}, {175, 215, 255}, {175, 255, 0}, {175, 255, 95},
	{175, 255, 135}, {175, 255, 175}, {175, 255, 215}, {175, 255, 255},
	{215, 0, 0}, {215, 0, 95}, {215, 0, 135}, {215, 0, 175},
	{215, 0, 215}, {215, 0, 255}, {215, 95, 0}, {215, 95, 95},
	{215, 95, 135}, {215, 95, 175}, {215, 95, 215}, {215, 95, 255},
	{215, 135, 0}, {215, 135, 95}, {215, 135, 135}, {215, 135, 175},
	{215, 135, 215}, {215, 135, 255}, {215, 175, 0}, {215, 175, 95},
	{215, 175, 135}, {215, 175, 175}, {215, 175, 215}, {215, 175, 255},
	{215, 215, 0}, {215, 215, 95}, {215, 215, 135}, {215, 215, 175},
	{215, 215, 215}, {215, 215, 255}, {215, 255, 0}, {215, 255, 95},
	{215, 255, 135}, {215, 255, 175}, {215, 255, 215}, {215, 255, 255},
	{255, 0, 0}, {255, 0, 95}, {255, 0, 135}, {255, 0, 175},
	{255, 0, 215}, {255, 0, 255}, {255, 95, 0}, {255, 95, 95},
	{255, 95, 135}, {255, 95, 175}, {255, 95, 215}, {255, 95, 255},
	{255, 135, 0}, {255, 135, 95}, {255, 135, 135}, {255, 135, 175},
	{255, 135, 215}, {255, 135, 255}, {255, 175, 0}, {255, 175, 95},
	{255, 175, 135}, {255, 175, 175}, {255, 175, 215}, {255, 175, 255},
	{255, 215, 0}, {255, 215, 95}, {255, 215, 135}, {255, 215, 175},
	{255, 215, 215}, {255, 215, 255}, {255, 255, 0}, {255, 255, 95},
	{255, 255, 135}, {255, 255, 175}, {255, 255, 215}, {255, 255, 255},
	{8, 8, 8}, {18, 18, 18}, {28, 28, 28}, {38, 38, 38},
	{48, 48, 48}, {58, 58, 58}, {68, 68, 68}, {78, 78, 78},
	{88, 88, 88}, {98, 98, 98}, {108, 108, 108}, {118, 118, 118},
	{128, 128, 128}, {138, 138, 138}, {148, 148, 148}, {158, 158, 158},
	{168, 168, 168}, {178, 178, 178}, {188, 188, 188}, {198, 198, 198},
	{208, 208, 208}, {218, 218, 218}, {228, 228, 228}, {238, 238, 238}, 

222 223 224
	/* C64 colours */
	/* Black, White, Red, Cyan, Purple, Green, Blue, Yellow */
	/* Orange, Brown, Lt Red, Dk Grey, Grey, Lt Green, Lt Blue, Lt Grey */
225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241
	/* Taken from CTerm source */
	{0x00, 0x00, 0x00},	// Black
	{0xFD, 0xFE, 0xFC},	// White
	{0xBE, 0x1A, 0x24},	// Red
	{0x30, 0xE6, 0xC6},	// Cyan
	{0xB4, 0x1A, 0xE2},	// Purple
	{0x1F, 0xD2, 0x1E},	// Green
	{0x21, 0x1B, 0xAE},	// Blue
	{0xDF, 0xF6, 0x0A},	// Yellow
	{0xB8, 0x41, 0x04},	// Orange
	{0x6A, 0x33, 0x04},	// Brown
	{0xFE, 0x4A, 0x57},	// Light Red
	{0x42, 0x45, 0x40},	// Dark Grey
	{0x70, 0x74, 0x6F},	// Grey
	{0x59, 0xFE, 0x59},	// Light Green
	{0x5F, 0x53, 0xFE},	// Light Blue
	{0xA4, 0xA7, 0xA2},	// Light Grey
deuce's avatar
deuce committed
242 243
	/* Atari Colours */
	/* BG, FG */
deuce's avatar
deuce committed
244
	{0, 81, 129}, {96, 183, 231},
245 246 247 248 249 250 251 252 253 254 255 256 257
};

int find_vmode(int mode)
{
    unsigned i;

	for (i = 0; i < NUMMODES; i++)
		if (vparams[i].mode == mode)
			return i;

	return -1;
}

deuce's avatar
deuce committed
258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274
struct vstat_vmem *get_vmem(struct video_stats *vs)
{
	vs->vmem->refcount++;
	return vs->vmem;
}

void release_vmem(struct vstat_vmem *vm)
{
	if (vm == NULL)
		return;
	vm->refcount--;
	if (vm->refcount == 0) {
		FREE_AND_NULL(vm->vmem);
		FREE_AND_NULL(vm);
	}
}

275
static struct vstat_vmem *new_vmem(int cols, int rows, bool palette)
deuce's avatar
deuce committed
276 277 278 279 280 281
{
	struct vstat_vmem *ret = malloc(sizeof(struct vstat_vmem));

	if (ret == NULL)
		return ret;
	ret->refcount = 1;
282
	ret->vmem = malloc(cols*rows*sizeof(ret->vmem[0]));
deuce's avatar
deuce committed
283 284 285 286 287 288 289
	if (ret->vmem == NULL) {
		free(ret);
		return NULL;
	}
	return ret;
}

290 291 292 293 294 295 296
int load_vmode(struct video_stats *vs, int mode)
{
	int i;

	i=find_vmode(mode);
	if(i==-1)
		return(-1);
deuce's avatar
deuce committed
297
	release_vmem(vs->vmem);
298
	vs->vmem=new_vmem(vparams[i].cols, vparams[i].rows, vs->flags & VIDMODES_FLAG_PALETTE_VMEM);
deuce's avatar
deuce committed
299 300
	if (vs->vmem == NULL)
		return -1;
301 302 303 304 305 306
	vs->rows=vparams[i].rows;
	vs->cols=vparams[i].cols;
	vs->curs_start=vparams[i].curs_start;
	vs->curs_end=vparams[i].curs_end;
	vs->default_curs_start=vparams[i].curs_start;
	vs->default_curs_end=vparams[i].curs_end;
307 308
	vs->curs_blink=1;
	vs->curs_visible=1;
deuce's avatar
deuce committed
309 310
	vs->curs_row=1;
	vs->curs_col=1;
311 312 313
	vs->bright_background=0;
	vs->no_bright=0;
	vs->bright_altcharset=0;
314 315
	vs->no_blink=0;
	vs->blink_altcharset=0;
316 317 318 319 320 321 322 323
	if(vs->curs_row < 0)
		vs->curs_row=0;
	if(vs->curs_row >= vparams[i].rows)
		vs->curs_row=vparams[i].rows-1;
	if(vs->curs_col < 0)
		vs->curs_col=0;
	if(vs->curs_col >= vparams[i].cols)
		vs->curs_col=vparams[i].cols-1;
324
	memcpy(vs->palette, palettes[vparams[i].palette], sizeof(vs->palette));
325 326 327
	vs->charheight=vparams[i].charheight;
	vs->charwidth=vparams[i].charwidth;
	vs->mode=mode;
328
	vs->vmultiplier=vparams[i].vmultiplier;
329 330
	return(0);
}