2 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
3 SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
4 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
5 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
6 IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
7 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
8 FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
9 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
11 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
14 #pragma off (unreferenced)
15 static char rcsid[] = "$Id: mono.c,v 1.1.1.1 2001-01-19 03:30:14 bradleyb Exp $";
16 #pragma on (unreferenced)
18 // Library functions for printing to mono card.
30 #pragma aux mono_int_3 = "int 3";
32 #define MAX_NUM_WINDOWS 2
35 unsigned char character;
36 unsigned char attribute;
47 struct mono_element save_buf[25][80];
48 struct mono_element text[25][80];
52 void scroll( short n );
53 void drawbox( short n );
55 #define ROW Window[n].first_row
56 #define HEIGHT Window[n].height
57 #define COL Window[n].first_col
58 #define WIDTH Window[n].width
59 #define CROW Window[n].cursor_row
60 #define CCOL Window[n].cursor_col
61 #define OPEN Window[n].open
62 #define CHAR(r,c) (*monoscreen)[ROW+(r)][COL+(c)].character
63 #define ATTR(r,c) (*monoscreen)[ROW+(r)][COL+(c)].attribute
64 #define XCHAR(r,c) Window[n].text[ROW+(r)][COL+(c)].character
65 #define XATTR(r,c) Window[n].text[ROW+(r)][COL+(c)].attribute
67 static WINDOW Window[MAX_NUM_WINDOWS];
69 struct mono_element (*monoscreen)[25][80];
71 void mputc( short n, char c )
75 // if (keyd_pressed[KEY_BACKSP])
84 CHAR( CROW, CCOL ) = ' ';
85 ATTR( CROW, CCOL ) = XATTR( CROW, CCOL );
86 XCHAR( CROW, CCOL ) = ' ';
89 CHAR( CROW, CCOL ) = ' ';
90 ATTR( CROW, CCOL ) = XATTR( CROW, CCOL );
91 XCHAR( CROW, CCOL ) = ' ';
101 CHAR( CROW, CCOL ) = c;
102 ATTR( CROW, CCOL ) = XATTR( CROW, CCOL );
103 XCHAR( CROW, CCOL ) = c;
107 if ( CCOL >= WIDTH ) {
111 if ( CROW >= HEIGHT ) {
116 msetcursor( ROW+CROW, COL+CCOL );
120 void mputc_at( short n, short row, short col, char c )
132 void copy_row(int nwords,short *src, short *dest1, short *dest2 );
133 #pragma aux copy_row parm [ecx] [esi] [ebx] [edx] modify exact [eax ebx ecx edx esi] = \
142 "even_num: cmp ecx, 0" \
144 "rowloop: mov eax, [esi]" \
154 void scroll( short n )
161 for ( row = 0; row < (HEIGHT-1); row++ )
162 copy_row( WIDTH, (short *)&XCHAR(row+1,col), (short *)&CHAR(row,col), (short *)&XCHAR(row,col) );
164 // for ( col = 0; col < WIDTH; col++ )
166 // CHAR( row, col ) = XCHAR( row+1, col );
167 // ATTR( row, col ) = XATTR( row+1, col );
168 // XCHAR( row, col ) = XCHAR( row+1, col );
169 // XATTR( row, col ) = XATTR( row+1, col );
172 for ( col = 0; col < WIDTH; col++ )
174 CHAR( HEIGHT-1, col ) = ' ';
175 ATTR( HEIGHT-1, col ) = XATTR( HEIGHT-1, col );
176 XCHAR( HEIGHT-1, col ) = ' ';
181 void msetcursor(short row, short col)
183 int pos = row*80+col;
186 outp( 0x3b5, pos & 0xFF );
188 outp( 0x3b5, (pos >> 8) & 0xff );
191 static char temp_m_buffer[1000];
192 void mprintf( short n, char * format, ... )
194 char *ptr=temp_m_buffer;
199 va_start(args, format );
200 vsprintf(temp_m_buffer,format,args);
206 void mprintf_at( short n, short row, short col, char * format, ... )
209 char buffer[1000], *ptr=buffer;
219 va_start(args, format );
220 vsprintf(buffer,format,args);
227 msetcursor( ROW+CROW, COL+CCOL );
232 void drawbox(short n)
238 for (row=0; row <HEIGHT; row++ ) {
239 CHAR( row, -1 ) = 179;
240 CHAR( row, WIDTH ) = 179;
241 XCHAR( row, -1 ) = 179;
242 XCHAR( row, WIDTH ) = 179;
245 for (col=0; col < WIDTH; col++ ) {
246 CHAR( -1, col ) = 196;
247 CHAR( HEIGHT, col ) = 196;
248 XCHAR( -1, col ) = 196;
249 XCHAR( HEIGHT, col ) = 196;
253 CHAR( -1, WIDTH ) = 191;
254 CHAR( HEIGHT, -1 ) = 192;
255 CHAR( HEIGHT, WIDTH ) = 217;
256 XCHAR( -1,-1 ) = 218;
257 XCHAR( -1, WIDTH ) = 191;
258 XCHAR( HEIGHT, -1 ) = 192;
259 XCHAR( HEIGHT, WIDTH ) = 217;
263 void mclear( short n )
269 for (row=0; row<HEIGHT; row++ )
270 for (col=0; col<WIDTH; col++ ) {
286 for (row=-1; row<HEIGHT+1; row++ )
287 for (col=-1; col<WIDTH+1; col++ ) {
299 void mrefresh(short n)
305 for (row=-1; row<HEIGHT+1; row++ )
306 for (col=-1; col<WIDTH+1; col++ ) {
307 CHAR(row,col) = XCHAR(row,col);
308 ATTR(row,col) = XATTR(row,col);
311 msetcursor( ROW+CROW, COL+CCOL );
316 int mono_present(); //return true if mono monitor in system
319 void mopen( short n, short row, short col, short width, short height, char * title )
323 if (! mono_present()) return; //error! no mono card
333 for (row=-1; row<HEIGHT+1; row++ )
334 for (col=-1; col<WIDTH+1; col++ ) {
345 msetcursor( ROW+CROW, COL+CCOL );
349 #pragma aux mono_present value [eax] modify [bx] = \
364 static initialized=0;
367 if (! mono_present()) return 0; //error! no mono card
374 monoscreen = (struct mono_element (*)[25][80])0xB0000;
387 for (n=1; n<MAX_NUM_WINDOWS; n++ ) {
397 return -1; //everything ok