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[/] [or1k_old/] [trunk/] [newlib/] [newlib/] [libc/] [sys/] [go32/] [pc.h] - Rev 39
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/* ** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954 ** ** This file is distributed under the terms listed in the document ** "copying.dj", available from DJ Delorie at the address above. ** A copy of "copying.dj" should accompany this file; if not, a copy ** should be available from where this file was obtained. This file ** may not be distributed without a verbatim copy of "copying.dj". ** ** This file is distributed WITHOUT ANY WARRANTY; without even the implied ** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ** ** Modified by J. Alan Eldridge, Liberty Brokerage, 77 Water St, NYC 10005 ** ** added getxkey(), which can read extended keystrokes that start with ** 0xE0, as well as those which start with 0x00 ** ** added global char ScreenAttrib, the attribute used by ScreenClear(): ** it defaults to 0x07 so as not to break existing code. ** ** added ScreenMode(), to return the current video mode */ #ifndef _PC_H_ #define _PC_H_ #ifdef __cplusplus extern "C" { #endif unsigned char inportb(unsigned short port); unsigned short inportw(unsigned short port); unsigned long inportl(unsigned short port); unsigned char inportsb(unsigned short port, unsigned char *buf, unsigned len); unsigned short inportsw(unsigned short port, unsigned short *buf, unsigned len); unsigned long inportsl(unsigned short port, unsigned long *buf, unsigned len); void outportb(unsigned short port, unsigned char data); void outportw(unsigned short port, unsigned short data); void outportl(unsigned short port, unsigned long data); void outportsb(unsigned short port, unsigned char *buf, unsigned len); void outportsw(unsigned short port, unsigned short *buf, unsigned len); void outportsl(unsigned short port, unsigned long *buf, unsigned len); int kbhit(void); int getkey(void); /* ALT's have 0x100 set */ int getxkey(void); /* ALT's have 0x100 set, 0xe0 sets 0x200 */ void sound(int frequency); #define nosound() sound(0) extern unsigned char ScreenAttrib; extern short *ScreenPrimary; extern short *ScreenSecondary; /* For the primary screen: */ int ScreenMode(void); int ScreenRows(void); int ScreenCols(void); void ScreenPutChar(int ch, int attr, int x, int y); void ScreenSetCursor(int row, int col); void ScreenGetCursor(int *row, int *col); void ScreenClear(void); void ScreenUpdate(void *virtual_screen); void ScreenUpdateLine(void *virtual_screen_line, int row); void ScreenRetrieve(void *virtual_screen); #ifdef __cplusplus } #endif #endif
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