Category : C Source Code
Archive   : ANSI8MSC.ZIP
Filename : ANSIDRV.H

/*
FUNCTION DECLARATIONS AND MACROS FOR ANSI DISPLAY ROUTINES
Mike Dumdei, 6 Holly Lane, Texarakana TX 75503
*/

#ifndef ulong
#define ulong unsigned long
#define uint unsigned int
#define uchar unsigned char
#endif

/* * MACROS TO DEFINE CURRENT WINDOW (startup value is 0,0,24,79) * */
#define SETWND(t,l,b,r) v_wndsz = 16777216*(t) + 65536*(l) + 256*(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 = 16777216*(t) + 65536*(l) + 256*(b) + (r)
#define SETsTOPLFT(t,l) vs_toplft = 256*(t) + (l)
#define SETsBTMRGT(b,r) vs_btmrgt = 256*(b) + (r)

/* * GLOBAL VIDEO VARIABLES DECLARED IN THE 'INITVID' FUNCTION * */
extern int v_struct; /* pointer to global video variables */
extern int v_seg; /* seg address of video ram memory */
extern char v_mode; /* current video mode */
extern char v_page; /* current video page */
extern ulong v_wndsz; /* current window dimensions (TLBR hex) */
extern uint v_btmrgt; /* current window btm right */
extern uchar v_rgt; /* current window rightmost column */
extern uchar v_btm; /* current window btm row */
extern uint v_toplft; /* current window top left */
extern uchar v_lft; /* current window leftmost column */
extern uchar v_top; /* current window top row */
extern ulong vs_wndsz; /* max dimensions for entire screen */
extern uint vs_btmrgt; /* max btm right position */
extern uint vs_toplft; /* max top left position */
extern char v_scrlm; /* scroll mode (1=scroll, 0=cursor wrap) */
extern char v_cntrlm; /* control mode (1=exec cntrls, 0=dsplay) */
extern char v_textm; /* text mode (1= \n == \n\r, 0= \n == \n) */
extern char v_ansi; /* ansi mode (1=use ANSI, 0=see garbage) */
extern char v_color; /* current atrib to use when displying chars */
extern char v_snow; /* snow flag (1=wait for retrace, 0=no wait */
extern char v_flicker; /* flicker flag (1=blank for writes is OK) */
extern char v_bios; /* bios flag (1=use BIOS, 0=direct writes) */
extern char v_ansiseq; /* flag showing ANSI sequence in progress */

/*
INITVID - INITIALIZES VARIOUS VIDEO VARIABLES USED BY SCREEN PROCS
VMode = initvid();
*/
char initvid(void);

/*
LOCATE THE CURSOR AT (ROW, COL) FUNCTION
loc(Row, Col);
*/
void loc(char, char);

/*
DISPLAY A STRING AT SPECIFIED LOCATION (ROW, COL)
d_strat(Row, Col, StrPtr);
*/
void d_strat(char, char, char *);

/*
DISPLAY A STRING AT CURRENT CURSOR POSITION
d_str(StrPtr);
*/
void d_str(char *);

/*
DISPLAY A CHARACTER AT CURRENT CURSOR LOCATION
d_ch(Char);
*/
void d_ch(char);

/*
DISPLAY MESSAGE WITHOUT REGARDING WINDOW LIMITS
This routine does not move the cursor. Requires atrib to use for
message text. (Used to print strings outside current window.)
d_msgat(row, col, atrib, "This message");
*/
void d_msgat(char, char, char, char *);

/*
RESET ATRIB OF CHARS FOR 'n' LOCATIONS STARTING AT ROW, COL
This routine does not move the cursor. (Used for color bar menus.)
d_atrbat(row, col, atrib, nbrlocs);
*/
void d_atrbat(char, char, char, int);

/*
DISPLAY 'char' COUNT NUMBER OF TIMES AT ROW, COL
This routine does not move the cursor.
d_strnat(row, col, char, atrib, nbrlocs);
*/
void d_strnat(char, char, char, char, int);

/*
READ CHAR/ATRIB AT CURRENT CURSOR LOCATION
AtrbChar = rd_scrn();
*/
int rd_scrn(void);

/*
CLEAR SCREEN FUNCTION (Clears currently designated window)
cls();
*/
void cls(void);

/*
SCROLL SCREEN UP FUNCTION
scrlup(NmbrLines);
*/
void scrlup(char);

/*
SCROLL SCREEN DOWN FUNCTION
scrldn(NmbrLines);
*/
void scrldn(char);

/*
SET CURSOR LOCATION
setcurloc(RowCol);
*/
void setcurloc(int);

/*
GET CURSOR LOCATION
CurPos = getcurloc();
*/
int getcurloc(void);

/*
SET CURSOR SIZE
setcursiz(Shape);
*/
void setcursiz(int);

/*
GET CURSOR SIZE
CurSiz = getcursiz();
*/
int getcursiz(void);

/*
SET VIDEO MODE
setvmode(VMode);
*/
void setvmode(char);

/*
GET VIDEO MODE
VMode = getvmode();
*/
char getvmode(void);

/*
SET VIDEO PAGE
setvpage(VPage);
*/
void setvpage(char);

/*
GET VIDEO PAGE
VPage = getvpage();
*/
char getvpage(void);

/*
SET SCREEN BORDER COLOR
setvbordr(BordrColr);
*/
void setvbordr(char);