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samples/hello.c

@@ -0,0 +1,82 @@
+/*
+ * 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;
+}
+
+
+