/*
- * Demo program for mouse usage. Will work for the C64/C128/CBM510/Atari/Apple2
- *
- * Ullrich von Bassewitz, 13.09.2001
- *
- */
+** Demo program for mouse usage.
+** Supports the C64/C128/CBM510/Atari/Apple2.
+**
+** 2001-09-13, Ullrich von Bassewitz
+** 2013-09-05, Greg King
+**
+*/
-#include <stdio.h>
+#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <mouse.h>
+#include <pen.h>
#include <conio.h>
#include <ctype.h>
#include <dbg.h>
+#include <cc65.h>
+#define max(a,b) (((a) > (b)) ? (a) : (b))
+#define min(a,b) (((a) < (b)) ? (a) : (b))
-#if defined(__C64__) || defined(__C128__)
-/* Address of data for sprite 0 */
-#if defined(__C64__)
-# define SPRITE0_DATA 0x0340
-# define SPRITE0_PTR 0x07F8
-#elif defined(__C128__)
-# define SPRITE0_DATA 0x0E00
-# define SPRITE0_PTR 0x07F8
+#ifdef MOUSE_DRIVER
+
+/* A statically linked driver was named on the compiler's command line.
+** Make sure that it is used instead of a dynamic one.
+*/
+# undef DYN_DRV
+# define DYN_DRV 0
+#else
+
+/* Use a dynamically loaded driver, by default. */
+# ifndef DYN_DRV
+# define DYN_DRV 1
+# endif
+#endif
+
+
+
+#ifdef __CBM__
+
+/* Set dark-on-light colors. */
+const unsigned char mouse_def_pointercolor = COLOR_BLACK;
+
#endif
-/* The mouse sprite (an arrow) */
-static const unsigned char MouseSprite[64] = {
- 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00,
- 0x0F, 0xE0, 0x00,
- 0x0F, 0xC0, 0x00,
- 0x0F, 0x80, 0x00,
- 0x0F, 0xC0, 0x00,
- 0x0D, 0xE0, 0x00,
- 0x08, 0xF0, 0x00,
- 0x00, 0x78, 0x00,
- 0x00, 0x3C, 0x00,
- 0x00, 0x1E, 0x00,
- 0x00, 0x0F, 0x00,
- 0x00, 0x07, 0x80,
- 0x00, 0x03, 0x80,
- 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00,
- 0x00
-};
-
-#endif /* __C64__ or __C128__ */
-
-
-
-static void CheckError (const char* S, unsigned char Error)
+
+
+static void __fastcall__ CheckError (const char* S, unsigned char Error)
{
if (Error != MOUSE_ERR_OK) {
- printf ("%s: %s(%d)\n", S, mouse_geterrormsg (Error), Error);
+ cprintf ("\n%s: %s(%u)\r\n", S, mouse_geterrormsg (Error), Error);
+
+ /* Wait for a key-press, so that some platforms can show the error
+ ** message before they remove the current screen.
+ */
+ if (doesclrscrafterexit ()) {
+ cgetc ();
+ }
exit (EXIT_FAILURE);
}
}
+#if DYN_DRV
+
+/* Points to the dynamic driver's name. */
+static const char *mouse_name;
+
+
+
static void DoWarning (void)
-/* Warn the user that a mouse driver is needed for this program */
+/* Warn the user that a driver is needed for this program. */
{
- printf ("Warning: This program needs the mouse\n"
- "driver with the name\n"
- " %s\n"
- "on disk! Press 'y' if you have it or\n"
- "any other key to exit.\n", mouse_stddrv);
+ cprintf ("Warning: This program needs\r\n"
+ "the driver with the name\r\n"
+ " %s\r\n"
+ "on a disk! Press 'y' if you have it;\r\n"
+ "or, any other key to exit.\r\n", mouse_stddrv);
if (tolower (cgetc ()) != 'y') {
exit (EXIT_SUCCESS);
}
- printf ("Ok. Please wait patiently...\n");
+ cprintf ("OK. Please wait patiently...\r\n");
}
+#endif
-static void ShowState (unsigned char Invisible)
-/* Display cursor visibility */
+static void __fastcall__ ShowState (unsigned char Jailed, unsigned char Invisible)
+/* Display jail and cursor states. */
{
- gotoxy (0, 6);
- cclear (40);
- gotoxy (0, 6);
- cprintf ("Mouse cursor %svisible", Invisible? "in" : "");
+ cclearxy (0, 7, 32);
+ gotoxy (0, 7);
+ cprintf ("Pointer is %svisible%s.", Invisible? "in" : "", Jailed? " and jailed" : "");
}
+#if DYN_DRV
+int main (int argc, char *argv[])
+#else
int main (void)
+#endif
{
struct mouse_info info;
- unsigned char Invisible;
- unsigned char Done;
+ struct mouse_box full_box, small_box;
+ unsigned char width, height;
+ char C;
+ bool Invisible = true, Done = false, Jailed = false;
/* Initialize the debugger */
DbgInit (0);
- /* Output a warning about the driver that is needed */
- DoWarning ();
-
- /* Clear the screen, set white on black */
- (void) bordercolor (COLOR_BLACK);
- (void) bgcolor (COLOR_BLACK);
- (void) textcolor (COLOR_GRAY3);
+ /* Set dark-on-light colors. Clear the screen. */
+#ifdef __CBM__
+ (void) bordercolor (COLOR_GRAY2);
+ (void) bgcolor (COLOR_WHITE);
+ (void) textcolor (COLOR_GRAY1);
+#else
+ (void) bordercolor (COLOR_BLUE);
+ (void) bgcolor (COLOR_WHITE);
+ (void) textcolor (COLOR_BLACK);
+#endif
cursor (0);
clrscr ();
+ /* If a lightpen driver is installed, then it can get a calibration value
+ ** from this file (if it exists). Or, the user can adjust the pen; and,
+ ** the value will be put into this file, for the next time.
+ ** (Other drivers will ignore this.)
+ */
#if defined(__C64__) || defined(__C128__) || defined(__CBM510__)
- /* Copy the sprite data */
- memcpy ((void*) SPRITE0_DATA, MouseSprite, sizeof (MouseSprite));
+ pen_adjust ("pen.dat");
+#endif
- /* Set the VIC sprite pointer */
- *(unsigned char*)SPRITE0_PTR = SPRITE0_DATA / 64;
+#if DYN_DRV
+ /* If a dynamically loadable driver is named on the command line,
+ ** then use that driver instead of the standard one.
+ */
+ if (argc > 1) {
+ mouse_name = argv[1];
+ } else {
+ /* Output a warning about the standard driver that is needed. */
+ DoWarning ();
+ mouse_name = mouse_stddrv;
+ }
- /* Set the color of sprite 0 */
-#ifdef __CBM510__
- pokebsys ((unsigned) &VIC.spr0_color, COLOR_WHITE);
+ /* Load and install the driver. */
+ CheckError ("mouse_load_driver",
+ mouse_load_driver (&mouse_def_callbacks, mouse_name));
#else
- VIC.spr0_color = COLOR_WHITE;
+ /* Install the driver. */
+ CheckError ("mouse_install",
+ mouse_install (&mouse_def_callbacks,
+# ifdef MOUSE_DRIVER
+ MOUSE_DRIVER
+# else
+ mouse_static_stddrv
+# endif
+ ));
#endif
-#endif
+ /* Get the initial bounding box. */
+ mouse_getbox (&full_box);
- /* Load and install the mouse driver */
- CheckError ("mouse_load_driver",
- mouse_load_driver (&mouse_def_callbacks, mouse_stddrv));
+ screensize (&width, &height);
+
+top:
+ clrscr ();
/* Print a help line */
- revers (1);
- cputsxy (0, 0, "d: debug h: hide q: quit s: show ");
- revers (0);
+ cputs (" d)ebug h)ide q)uit s)how j)ail");
- /* Test loop */
- Done = 0;
- ShowState (Invisible = 1);
- while (!Done) {
- if (kbhit ()) {
- switch (tolower (cgetc ())) {
- case 'd':
- BREAK();
- break;
- case 'h':
- ShowState (++Invisible);
- mouse_hide ();
- break;
- case 's':
- if (Invisible) {
- ShowState (--Invisible);
- mouse_show ();
- }
- break;
- case 'q':
- Done = 1;
- break;
- }
- }
-
- /* Get the current mouse coordinates and button states and print them */
- mouse_info (&info);
- gotoxy (0, 2);
- cprintf ("X = %3d", info.pos.x);
- gotoxy (0, 3);
- cprintf ("Y = %3d", info.pos.y);
- gotoxy (0, 4);
- cprintf ("LB = %c", (info.buttons & MOUSE_BTN_LEFT)? '1' : '0');
- gotoxy (0, 5);
- cprintf ("RB = %c", (info.buttons & MOUSE_BTN_RIGHT)? '1' : '0');
+ /* Put a cross at the center of the screen. */
+ gotoxy (width / 2 - 3, height / 2 - 1);
+#if defined(__CBM__)
+ cprintf ("%3u,%3u\r\n%*s\xDB", width / 2 * 8 + 4, height / 2 * 8 + 4,
+ width / 2, "");
+#else
+ cprintf ("%3u,%3u\r\n%*s+", width / 2 * 8 + 4, height / 2 * 8 + 4,
+ width / 2, "");
+#endif
- }
+ /* Test loop */
+ ShowState (Jailed, Invisible);
+ do {
+ /* Get the current co-ordinates and button states; and, print them. */
+ mouse_info (&info);
+ gotoxy (0, 2);
+ cprintf (" X = %3d\r\n", info.pos.x);
+ cprintf (" Y = %3d\r\n", info.pos.y);
+ cprintf (" B1 = %c\r\n", (info.buttons & MOUSE_BTN_LEFT) ?
+#ifdef __CBM__
+ 0x5F
+#else
+ 'v'
+#endif
+ : '^');
+ cprintf (" B2 = %c", (info.buttons & MOUSE_BTN_RIGHT) ?
+#ifdef __CBM__
+ 0x5F
+#else
+ 'v'
+#endif
+ : '^');
+
+ /* Handle user input */
+ if (kbhit ()) {
+ cclearxy (1, 9, 23);
+ switch (tolower (C = cgetc ())) {
+ case 'd':
+ BREAK();
+
+ /* The debugger might have changed the colors.
+ ** Restore them.
+ */
+#ifdef __CBM__
+ (void) bordercolor (COLOR_GRAY2);
+ (void) bgcolor (COLOR_WHITE);
+ (void) textcolor (COLOR_GRAY1);
+#else
+ (void) bordercolor (COLOR_BLUE);
+ (void) bgcolor (COLOR_WHITE);
+ (void) textcolor (COLOR_BLACK);
+#endif
- /* Uninstall and unload the mouse driver */
+ /* The debugger changed the screen; restore it. */
+ goto top;
+
+ case 'h':
+ mouse_hide ();
+ ShowState (Jailed, ++Invisible);
+ break;
+
+ case 'j':
+ if (Jailed) {
+ mouse_setbox (&full_box);
+ Jailed = false;
+ } else {
+ small_box.minx = max (info.pos.x - 10, full_box.minx);
+ small_box.miny = max (info.pos.y - 10, full_box.miny);
+ small_box.maxx = min (info.pos.x + 10, full_box.maxx);
+ small_box.maxy = min (info.pos.y + 10, full_box.maxy);
+ mouse_setbox (&small_box);
+ Jailed = true;
+ }
+ ShowState (Jailed, Invisible);
+ break;
+
+ case 's':
+ mouse_show ();
+ if (Invisible) {
+ ShowState (Jailed, --Invisible);
+ }
+ break;
+
+ case 'q':
+ Done = true;
+ break;
+
+ default:
+ gotoxy (1, 9);
+ cprintf ("Spurious character: $%02X", C);
+ }
+ }
+ } while (!Done);
+
+#if DYN_DRV
+ /* Uninstall and unload the driver. */
CheckError ("mouse_unload", mouse_unload ());
+#else
+ /* Uninstall the static driver. */
+ CheckError ("mouse_uninstall", mouse_uninstall ());
+#endif
/* Say goodbye */
- clrscr ();
- cputs ("Goodbye!\r\n");
-
+ cputsxy (0, height / 2 + 3, "Goodbye!");
return EXIT_SUCCESS;
}
-
-
-