4 * Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
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56 #define CRT_CELS (CRT_ROWS*CRT_COLS)
57 #define CRT_ADDR(r,c) (((r)*CRT_COLS)+(c))
58 #define CRT_ADDR_POS(p) ((((p)->y)*CRT_COLS)+((p)->x))
60 #define CRT_ATTR_NORMAL 0x0
61 #define CRT_ATTR_UNDERLINE 0x1
62 #define CRT_ATTR_REVERSE 0x2
63 #define CRT_ATTR_BLINK 0x4
64 #define CRT_ATTR_BOLD 0x8
67 #define CRT_COLOR_BLACK 0x0
68 #define CRT_COLOR_RED 0x1
69 #define CRT_COLOR_GREEN 0x2
70 #define CRT_COLOR_YELLOW 0x3
71 #define CRT_COLOR_BLUE 0x4
72 #define CRT_COLOR_MAGENTA 0x5
73 #define CRT_COLOR_CYAN 0x6
74 #define CRT_COLOR_WHITE 0x7
75 #define CRT_COLOR_INTENSITY 0x8
77 #define CRT_COLOR_FG_MASK 0xf0
78 #define CRT_COLOR_FG_SHIFT 4
80 #define CRT_COLOR_BG_MASK 0xf
81 #define CRT_COLOR_BG_SHIFT 0
83 #define CRT_COLOR_BG(a) (((a) & CRT_COLOR_BG_MASK) >> CRT_COLOR_BG_SHIFT)
84 #define CRT_COLOR_FG(a) (((a) & CRT_COLOR_FG_MASK) >> CRT_COLOR_FG_SHIFT)
86 #define CRT_MAKE_COLOR(f,b) (((f) << CRT_COLOR_FG_SHIFT)|(b))
88 #define CRT_BGCOLOR_NORMAL CRT_COLOR_BLACK
89 #define CRT_FGCOLOR_NORMAL CRT_COLOR_WHITE
91 #define CRT_COLOR_NORMAL CRT_MAKE_COLOR(CRT_FGCOLOR_NORMAL,CRT_BGCOLOR_NORMAL)
93 typedef struct __attribute__ ((packed))
114 typedef struct CRT_struct
116 CRT_CA screen[CRT_CELS];
124 crt_ca_cmp (CRT_CA a, CRT_CA b)
126 return memcmp (&a, &b, sizeof (a));
130 crt_pos_cmp (CRT_Pos a, CRT_Pos b)
132 return memcmp (&a, &b, sizeof (a));
135 #endif /* __CRT_H__ */