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cc65/samples/hello.c
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git-svn-id: svn://svn.cc65.org/cc65/trunk@3 b7a2c559-68d2-44c3-8de9-860c34a00d81
2000-05-28 13:40:48 +00:00

83 lines
1.6 KiB
C

/*
* Fancy hello world program using cc65.
*
* Ullrich von Bassewitz (ullrich@von-bassewitz.de)
*
*/
#include <stdlib.h>
#include <string.h>
#include <conio.h>
#include <dbg.h>
/*****************************************************************************/
/* Data */
/*****************************************************************************/
static const char Text [] = "Hello world!";
/*****************************************************************************/
/* Code */
/*****************************************************************************/
int main (void)
{
unsigned char XSize, YSize;
/* Set screen colors, hide the cursor */
textcolor (COLOR_WHITE);
bordercolor (COLOR_BLACK);
bgcolor (COLOR_BLACK);
cursor (0);
/* Clear the screen, put cursor in upper left corner */
clrscr ();
/* Ask for the screen size */
screensize (&XSize, &YSize);
/* Draw a border around the screen */
/* Top line */
cputc (CH_ULCORNER);
chline (XSize - 2);
cputc (CH_URCORNER);
/* Vertical line, left side */
cvlinexy (0, 1, YSize - 2);
/* Bottom line */
cputc (CH_LLCORNER);
chline (XSize - 2);
cputc (CH_LRCORNER);
/* Vertical line, right side */
cvlinexy (XSize - 1, 1, YSize - 2);
/* Write the greeting in the mid of the screen */
gotoxy ((XSize - strlen (Text)) / 2, YSize / 2);
cprintf ("%s", Text);
/* Wait for the user to press a key */
(void) cgetc ();
/* Clear the screen again */
clrscr ();
/* Done */
return EXIT_SUCCESS;
}