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- /*
- * video.h
- */
-
- /* current video state/mode information */
- extern short Vmode;
- extern short Vwidth;
- extern short Vpage;
-
- #define MAXVMODE 16
-
- /* video limit tables */
- extern short Maxrow[MAXVMODE];
- extern short Maxcol[MAXVMODE];
- extern short Maxpage[MAXVMODE];
-
- /* active display */
- #define MONO 1
- #define COLOR 2
-
- /* cursor modes */
- #define CURSOR_OFF 0
- #define CURSOR_ON 1
-
- /* installed display adapters */
- #define MDA 1
- #define CGA 2
- #define EGA 4
-
- /* --- video modes --- */
- /* CGA modes */
- #define CGA_M40 0
- #define CGA_C40 1
- #define CGA_M80 2
- #define CGA_C80 3
- #define CGA_CMRES 4
- #define CGA_MMRES 5
- #define CGA_MHRES 6
- /* MDA mode */
- #define MDA_M80 7
- /* PCjr modes */
- #define PCJR_CLRES 8
- #define PCJR_CMRES 9
- #define PCJR_CHRES 10
- /* modes 11 and 12 are not currently used */
- /* EGA modes */
- #define EGA_CMRES 13
- #define EGA_CHRES 14
- #define EGA_MHRES 15
- #define EGA_EHRES 16
-
- /* miscellaneous video masks */
- /* character mask */
- #define CMASK 0x00FF
- /* attribute mask */
- #define AMASK 0xFF00
-
- /* attribute modifiers */
- #define BRIGHT 8
- #define BLINK 128
-
- /* primary video attributes */
- #define BLU 1
- #define GRN 2
- #define RED 4
-
- /* composite video attributes */
- #define BLK 0
- #define CYAN (BLU | GRN) /* 3 */
- #define MAGENTA (BLU | RED) /* 5 */
- #define BRN (GRN | RED) /* 6 */
- #define WHT (BLU | GRN | RED) /* 7 */
- #define GRAY (BLK | BRIGHT)
- #define LBLU (BLU | BRIGHT)
- #define LGRN (GRN | BRIGHT)
- #define LCYAN (CYAN | BRIGHT)
- #define LRED (RED | BRIGHT)
- #define LMAG (MAG | BRIGHT)
- #define YEL (BRN | BRIGHT)
- #define BWHT (WHT | BRIGHT)
- #define NORMAL WHT
- #define REVERSE 112
-
- /*
- * drawing characters -- items having two numbers use
- * the first number as the horizontal specifier
- */
-
- /* single-line boxes */
- #define VBAR1 179
- #define VLINE 179 /* alias */
- #define HBAR1 196
- #define HLINE 196 /* alias */
- #define ULC11 218
- #define URC11 191
- #define LLC11 192
- #define LRC11 217
- #define TL11 195
- #define TR11 180
- #define TT11 194
- #define TB11 193
- #define X11 197
-
- /* double-line boxes */
- #define VBAR2 186
- #define HBAR2 205
- #define ULC22 201
- #define URC22 187
- #define LLC22 200
- #define LRC22 188
- #define TL22 204
- #define TR22 185
- #define TT22 203
- #define TB22 202
- #define X22 206
-
- /* single-line horizontal & double-line vertical boxes */
- #define ULC12 214
- #define URC12 183
- #define LLC12 211
- #define LRC12 189
- #define TL12 199
- #define TR12 182
- #define TT12 210
- #define TB12 208
- #define X12 215
-
- /* double-line horizontal & single-line vertical boxes */
- #define ULC21 213
- #define URC21 184
- #define LLC21 212
- #define LRC21 190
- #define TL21 198
- #define TR21 181
- #define TT21 209
- #define TB21 207
- #define X21 216
-
- /* full and partial blocks */
- #define BLOCK 219
- #define VBAR 219 /* alias */
- #define VBARL 221
- #define VBARR 222
- #define HBART 223
- #define HBARB 220
-
- /* special character-graphic symbols */
- #define BLANK 32
- #define DIAMOND 4
- #define UPARROW 24
- #define DOWNARROW 25
- #define RIGHTARROW 26
- #define LEFTARROW 27
- #define SLASH 47