?? screen.h
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/* * GeekOS text screen output * Copyright (c) 2001,2003 David H. Hovemeyer <daveho@cs.umd.edu> * $Revision: 1.15 $ * * This is free software. You are permitted to use, * redistribute, and modify it as specified in the file "COPYING". */#ifndef GEEKOS_SCREEN_H#define GEEKOS_SCREEN_H#include <geekos/ktypes.h>#define BLACK 0#define BLUE 1#define GREEN 2#define CYAN 3#define RED 4#define MAGENTA 5#define AMBER 6#define GRAY 7#define BRIGHT 8#define ATTRIB(bg,fg) ((fg)|((bg)<<4))#define NUMCOLS 80#define NUMROWS 25#define TABWIDTH 8#ifdef GEEKOS/* * VGA hardware stuff, for accessing the text display * memory and controlling the cursor */#define VIDMEM_ADDR 0xb8000#define VIDMEM ((uchar_t*) VIDMEM_ADDR)#define CRT_ADDR_REG 0x3D4#define CRT_DATA_REG 0x3D5#define CRT_CURSOR_LOC_HIGH_REG 0x0E#define CRT_CURSOR_LOC_LOW_REG 0x0Fvoid Init_Screen(void);void Clear_Screen(void);void Get_Cursor(int* row, int* col);bool Put_Cursor(int row, int col);uchar_t Get_Current_Attr(void);void Set_Current_Attr(uchar_t attrib);void Put_Char(int c);void Put_String(const char* s);void Put_Buf(const char* buf, ulong_t length);void Print(const char* fmt, ...) __attribute__ ((format (printf, 1, 2)));#endif /* GEEKOS */#endif /* GEEKOS_SCREEN_H */
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