4 * Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
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65 #define CRT_CELS (CRT_ROWS*CRT_COLS)
66 #define CRT_ADDR(r,c) (((r)*CRT_COLS)+(c))
67 #define CRT_ADDR_POS(p) ((((p)->y)*CRT_COLS)+((p)->x))
69 #define CRT_ATTR_NORMAL 0x0
70 #define CRT_ATTR_UNDERLINE 0x1
71 #define CRT_ATTR_REVERSE 0x2
72 #define CRT_ATTR_BLINK 0x4
73 #define CRT_ATTR_BOLD 0x8
76 #define CRT_COLOR_BLACK 0x0
77 #define CRT_COLOR_RED 0x1
78 #define CRT_COLOR_GREEN 0x2
79 #define CRT_COLOR_YELLOW 0x3
80 #define CRT_COLOR_BLUE 0x4
81 #define CRT_COLOR_MAGENTA 0x5
82 #define CRT_COLOR_CYAN 0x6
83 #define CRT_COLOR_WHITE 0x7
84 #define CRT_COLOR_INTENSITY 0x8
86 #define CRT_COLOR_FG_MASK 0xf0
87 #define CRT_COLOR_FG_SHIFT 4
89 #define CRT_COLOR_BG_MASK 0xf
90 #define CRT_COLOR_BG_SHIFT 0
92 #define CRT_COLOR_BG(a) (((a) & CRT_COLOR_BG_MASK) >> CRT_COLOR_BG_SHIFT)
93 #define CRT_COLOR_FG(a) (((a) & CRT_COLOR_FG_MASK) >> CRT_COLOR_FG_SHIFT)
95 #define CRT_MAKE_COLOR(f,b) (((f) << CRT_COLOR_FG_SHIFT)|(b))
97 #define CRT_BGCOLOR_NORMAL CRT_COLOR_BLACK
98 #define CRT_FGCOLOR_NORMAL CRT_COLOR_WHITE
100 #define CRT_COLOR_NORMAL CRT_MAKE_COLOR(CRT_FGCOLOR_NORMAL,CRT_BGCOLOR_NORMAL)
102 typedef struct __attribute__ ((packed))
123 typedef struct CRT_struct
125 CRT_CA screen[CRT_CELS];
133 crt_ca_cmp (CRT_CA a, CRT_CA b)
135 return memcmp (&a, &b, sizeof (a));
139 crt_pos_cmp (CRT_Pos a, CRT_Pos b)
141 return memcmp (&a, &b, sizeof (a));
144 #endif /* __CRT_H__ */