/*===========================================================================*\ | QWIKC20.H ver 2.0d, 03-22-89 | | | | Header file for quick, direct screen writing for C | | Copyright (c)1988-1989 James H. LeMay, All rights reserved. | | | | Conversion to C by Jordan Gallagher/Wisdom Research | | | | For documentation on this file see QWIKC20.DOC and QWIKREF.DOC. | | Only 44 bytes of global data are used. | \*===========================================================================*/ #ifndef __DOS_DEF_ #include /* DOS.H needed for MK_FP below! */ #endif #define videomode *(char far *)MK_FP(0x0000,0x0449) /* Video mode: Mono=7, Color=0-3 */ #define videopage *(char far *)MK_FP(0x0000,0x0462) /* Video page number */ #define egarows *(char far *)MK_FP(0x0000,0x0484) /* Rows on screen (0-based) */ #define egainfo *(char far *)MK_FP(0x0000,0x0487) /* EGA info. See QWIKREF.DOC */ #define egafontsize *(int far *)MK_FP(0x0000,0x0485) /* Character cell height (1-based) */ #define crtcolumns *(int far *)MK_FP(0x0000,0x0044) /* Number of CRT columns (1-based) */ extern unsigned char system_id, /* Equipment ID. See QWIKREF.DOC */ submodel_id, /* Equipment ID. See QWIKREF.DOC */ cpuid, /* Model number of Intel CPU */ qvideo_mode, /* Video mode detected by Qwik */ qvideo_page, /* Video page to which Qwik is writing */ maxpage, /* Maximum possible page */ cardsnow, /* Wait-for-retrace (snow) for video card */ have_ps2, /* Using some type of IBM PS/2 equip */ have_3270, /* Using IBM 3270 PC workstation hard/software */ ega_switches, /* EGA card and monitor setup */ active_disp_dev, /* Active Display Device */ active_disp_dev_3270, /* Active Display Device for IBM 3270 PC */ alt_disp_dev, /* Alternate Display Device */ herc_model, /* Model of Hercules card. */ inmultask; /* Set to 1 if setmultitask() called in multitasking environment */ extern int page0seg; /* Segment for page 0 for video card/buffer */ extern int cardseg; /* Segment for page 0 for video card */ extern int alt_disp_dev_pcc; /* Alt Display Device for PC Convertible */ extern int scroll_attr; /* Attribute used to clear row in qeosln() */ typedef struct { void far *vscrptr; /* Pointer to memory writes are done to */ unsigned veosofs; /* End Of String offset after Qwik writing */ unsigned vsize; /* Essentially size of CRT video buffer in bytes */ unsigned char vrows; /* Global variable of Rows/Ega rows (1-based!) */ unsigned char vcols; /* Global variable of CRT columns (1-based) */ char vsnow; /* Wait-for-retrace (snow) while Qwik writing */ } vscr_t; extern vscr_t qscr; #define crt_rows qscr.vrows #define crt_cols qscr.vcols #define qsnow qscr.vsnow #define crt_size qscr.vsize #define qeosofs qscr.veosofs #define qscrofs *((unsigned *) (&qscr.vscrptr)) #define qscrseg *((unsigned *) (&qscr.vscrptr)+1) #define qscrptr qscr.vscrptr /* Constants assigned by IBM: */ enum { no_display, /* 00 through 0C, FF */ mda_mono, cga_color, dcc3, ega_color, ega_mono, pgc_color, vga_mono, vga_color, dcc9, dcc10, mcga_mono, mcga_color, unknown = 255 }; /* Arbitrarily assigned constants: */ enum { no_herc, hgc_mono, hgc_plus, herc_incolor }; enum { cpu8086, cpu80186, cpu80286, cpu80386 }; /* These are the foreground text colors */ #if !defined(__COLORS) #define __COLORS enum COLORS { BLACK, BLUE, GREEN, CYAN, RED, MAGENTA, BROWN, LIGHTGRAY, DARKGRAY, LIGHTBLUE, LIGHTGREEN, LIGHTCYAN, LIGHTRED, LIGHTMAGENTA, YELLOW, WHITE }; #endif /* These are the background colors */ enum { BLACK_BG = 0x00, BLUE_BG = 0x10, GREEN_BG = 0x20, CYAN_BG = 0x30, RED_BG = 0x40, MAGENTA_BG = 0x50, BROWN_BG = 0x60, LIGHTGRAY_BG = 0x70 }; #define BLINK 128 /* blink bit -- add to attribute */ #define SAMEATTR -1 /* supresses attribute changes to the screen */ /* The following are macros used in calling setcursor() and modcursor() */ #define cursor_on 0x0000 /* Turns cursor on with same shape */ #define cursor_off 0x2000 /* Turns cursor off with same shape */ #define cursor_blink 0x6000 /* Creates erratic blinking for many machines */ /* These cursor modes are set by qinit() as detected for the video card: */ extern int cursor_initial; /* Cursor detected at startup */ extern int cursor_underline; /* Standard underline cursor */ extern int cursor_halfblock; /* Usually used for Insert editing */ extern int cursor_block; /* For those who have to squint */ /* ----------- QINIT ----------- */ void qinit( void ); void qreinit( void ); /* ----------- QWRITES ----------- */ void qwrite( unsigned char row, unsigned char col, int attr, char far *astr ); void qwritec( unsigned char row, unsigned char col, unsigned char cols, int attr, char far *astr ); void qwriteeos( int attr, char far *astr ); /* ----------- QWRSUB ----------- */ void qwrite_sub( unsigned char row, unsigned char col, int attr, int length, char far *astr ); void qwriteeos_sub( int attr, int length, char far *astr ); /* ----------- QFILLS ----------- */ void qfill( unsigned char row, unsigned char col, unsigned char rows, unsigned char cols, int attr, char ch ); void qattr( unsigned char row, unsigned char col, unsigned char rows, unsigned char cols, int attr ); void qfillc( unsigned char row, unsigned char col_l, unsigned char col_r, unsigned char rows, unsigned char cols, int attr, char ch ); void qattrc( unsigned char row, unsigned char col_l, unsigned char col_r, unsigned char rows, unsigned char cols, int attr ); void qfilleos( unsigned char rows, unsigned char cols, int attr, char ch ); void qattreos( unsigned char rows, unsigned char cols, int attr ); /* ----------- QSTORES ----------- */ void qstoretomem( unsigned char row, unsigned char col, unsigned char rows, unsigned char cols, void far *dest ); void qstoretoscr( unsigned char row, unsigned char col, unsigned char rows, unsigned char cols, void far *src ); void qscrtovscr( unsigned char row, unsigned char col, unsigned char rows, unsigned char cols, unsigned char vrow, unsigned char vcol, unsigned char vwidth, void far *vscrptr ); void qvscrtoscr( unsigned char row, unsigned char col, unsigned char rows, unsigned char cols, unsigned char vrow, unsigned char vcol, unsigned char vwidth, void far *vscrptr ); /* ----------- QSCROLLS ----------- */ void qscrollup( unsigned char row, unsigned char col, unsigned char rows, unsigned char cols, int blankattr ); void qscrolldown( unsigned char row, unsigned char col, unsigned char rows, unsigned char cols, int blankattr ); /* ----------- QPAGES ----------- */ void qviewpage( char pagenum ); void qwritepage( char pagenum ); /* ----------- QREADS ----------- */ void qreadstr( char far *astr, char row, char col, char num ); unsigned char qreadchar( unsigned char row, unsigned char col ); unsigned char qreadattr( unsigned char row, unsigned char col ); /* ----------- QEOSLN ----------- */ void qeosln( void ); /* ----------- CURSOR ----------- */ int getcursor( void ); void setcursor( int cursor ); void modcursor( int modify ); void gotorc( unsigned char row, unsigned char col ); unsigned char wherer( void ); unsigned char wherec( void ); /* ----------- EOS ----------- */ void gotoeos( void ); unsigned char eosr( void ); unsigned char eosc( void ); void eostorc( unsigned char row, unsigned char col ); void eostorcrel( int row, int col ); void eostocursor( void ); void eosln( void ); /* ----------- CPUIDENT ----------- */ void getcpuid( void ); /* ----------- GETSUBID ----------- */ void get_submodel_id( void ); /* Read docs before using! */ /* ----------- SETMULTI ----------- */ void setmultitask( void );