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DP Tool Club 14
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ansidrv.h
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C/C++ Source or Header
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1994-03-22
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7KB
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129 lines
/****************************************************************************
ANSIDRV.H -- FUNCTION DECLARATIONS AND MACROS FOR ANSI DISPLAY ROUTINES
Mike Dumdei, 6 Holly Lane, Texarkana TX 75503 (c) 1989-92
****************************************************************************/
#ifndef MCOMM
#define _C_ cdecl
#define _V_ volatile
#define _F_ far
#if (__TURBOC__ && __HUGE__)
#define _N_
#else
#define _N_ near
#endif
#define MCOMM
#endif
/* * COMPATIBILITY WITH ANSI8MSC MACRO DUE TO d_strnat FUNCTION CHANGE * */
#define d_strnat(r,c,ch,atr,n) d_nchat((r),(c),(ch),(atr),(n),1)
#define HORZ 1
#define VERT 0 /* defines for direction for d_nchat function */
#define SCRBUF(r, c) (16 + (2 * (r) * (c))) /* storage for a pushed screen */
/* * MACROS TO DEFINE CURRENT WINDOW (startup value is 0,0,24,79) * */
#define SETWND(t,l,b,r) v_wndsz = 16777216L*(t) + 65536L*(l) + 256L*(b) + (r)
#define SETTOPLFT(t,l) v_toplft = 256*(t) + (l)
#define SETBTMRGT(b,r) v_btmrgt = 256*(b) + (r)
/* * MACROS TO DEFINE ENTIRE SCREEN (startup value is 0,0,24,79) * */
#define SETsWND(t,l,b,r) vs_wndsz = 16777216L*(t) + 65536L*(l) + 256L*(b) + (r)
#define SETsTOPLFT(t,l) vs_toplft = 256*(t) + (l)
#define SETsBTMRGT(b,r) vs_btmrgt = 256*(b) + (r)
#ifdef __TURBOC__
#ifdef __HUGE__
#undef _N_
#define _N_
#endif
#endif
/* * GLOBAL VIDEO VARIABLES DECLARED IN THE 'INITVID' FUNCTION * */
extern int _N_ v_struct; /* pointer to global video variables */
extern int _N_ v_seg; /* seg address of video ram memory */
extern char _N_ v_mode; /* current video mode */
extern char _N_ v_page; /* current video page */
extern unsigned long _N_ v_wndsz; /* current window dimensions (TLBR hex) */
extern unsigned int _N_ v_btmrgt; /* current window btm right */
extern unsigned char _N_ v_rgt; /* current window rightmost column */
extern unsigned char _N_ v_btm; /* current window btm row */
extern unsigned int _N_ v_toplft; /* current window top left */
extern unsigned char _N_ v_lft; /* current window leftmost column */
extern unsigned char _N_ v_top; /* current window top row */
extern unsigned long _N_ vs_wndsz; /* max dimensions for entire screen */
extern unsigned int _N_ vs_btmrgt; /* max btm right position */
extern unsigned int _N_ vs_toplft; /* max top left position */
extern char _N_ v_scrlm; /* scroll mode, 1=scroll,0=cursor wrap,-1=vt100ns */
extern char _N_ v_cntrlm; /* control mode (1=exec cntrls, 0=dsplay) */
extern char _N_ v_textm; /* text mode (1= \n == \n\r, 0= \n == \n) */
extern char _N_ v_ansi; /* ansi mode (1=use ANSI, 0=see garbage) */
extern char _N_ v_color; /* current atrib to use when displying chars */
extern char _N_ v_snow; /* snow flag (1=wait for retrace, 0=no wait */
extern char _N_ v_bios; /* bios flag (1=use BIOS, 0=direct writes) */
extern char _N_ v_ansiseq; /* flag showing ANSI sequence in progress */
extern char _N_ v_wrel; /* winfunc locs relative to window upr/lft if 1 */
extern char _N_ vs_wrel; /* scrnfunc locs relative to window upr/lft if 1 */
extern char _N_ v_cga; /* set to 1 if CGA adaptor detected */
extern char _N_ v_bksp; /* 1=destructive bksp, 0=non-destructive */
#ifdef __TURBOC__
#ifdef __HUGE__
#undef _N_
#define _N_ near
#endif
#endif
#if __cplusplus
extern "C" {
#endif
/* * FUNCTION DECLARATIONS * */
int _C_ initvid(void); /* initialize video */
void _C_ loc(int r, int c); /* locate cursor at r,c */
void _C_ d_strat(int r, int c, char *str); /* display string at r,c */
void _C_ d_str(char *str); /* disp string at curpos */
void _C_ d_chat(int r, int c, char ch); /* disp char at r,c */
void _C_ d_ch(char ch); /* disp char at curpos */
void _C_ d_msgat(int r, int c, int atrb, char *str); /* disp msg at r,c */
void _C_ d_atrbat(int r, int c, int atrb, int n); /* disp atrb,nlocs,r,c */
void _C_ d_nchat(int, int, char, int, int, int); /* r,c,ch,atrb,n,dir */
int _C_ rd_scrn(void); /* read atrb/char at curpos */
int _C_ cls(void); /* clear window */
void _C_ scrlup(int n); /* scroll up n rows */
void _C_ scrldn(int n); /* scroll down n rows */
void _C_ setcurloc(int); /* set cur loc, hibyt=r,lobyt=c */
int _C_ getcurloc(void); /* get cur loc, hibyt=r, lobyt=c */
void _C_ setcursiz(int); /* set cursor shape */
int _C_ getcursiz(void); /* get cursor shape */
void _C_ setvmode(int); /* set video mode */
int _C_ getvmode(void); /* get video mode */
void _C_ setvpage(int); /* set video page */
int _C_ getvpage(void); /* get video page */
void _C_ setvbordr(int); /* set video border */
void _C_ x_ansi(char *ansi_str); /* default unrecognized ANSI seq hdlr */
/*
* Functions formerly declared in EXTRA.H. They were move here
* to get all the video related variables in one header file.
*/
void _C_ moveblk(int row, int col, int nrows, int ncols, char *buf, int dir);
void _C_ pu_scrnd(int r, int c, int nrows, int ncols, char *buf);
void _C_ po_scrnd(char *buf);
int _C_ pushscrn(int r, int c, int nrows, int ncols);
int _C_ popscrn(void);
void _C_ fpu_scrnd(int r, int c, int nrows, int ncols, char _F_ *buf);
void _C_ fpo_scrnd(char _F_ *buf);
int _C_ fpushscrn(int r, int c, int nrows, int ncols);
int _C_ fpopscrn(void);
void _C_ d_msgatd(int r, int c, int atrb, char *str);
void _C_ scrlupat(int top, int lft, int btm, int rgt, int nrows);
void _C_ scrldnat(int top, int lft, int btm, int rgt, int nrows);
void _C_ d_scrd(int r, int c, char *scrn);
void _C_ fd_scrd(int r, int c, char _F_ *scrn);
char * _C_ rd_scrnd(int r, int c, int nbytes, char *buffer);
#ifdef __cplusplus
}
#endif