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https://github.com/cc65/cc65.git
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225 lines
5.1 KiB
C
225 lines
5.1 KiB
C
/*
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* Demo program for mouse usage. Will work for the C64/C128/CBM510/Atari/Apple2
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*
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* Ullrich von Bassewitz, 13.09.2001
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <mouse.h>
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#include <conio.h>
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#include <ctype.h>
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#include <dbg.h>
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#if defined(__C64__) || defined(__C128__)
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/* Address of data for sprite 0 */
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#if defined(__C64__)
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# define SPRITE0_DATA 0x0340
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# define SPRITE0_PTR 0x07F8
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#elif defined(__C128__)
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# define SPRITE0_DATA 0x0E00
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# define SPRITE0_PTR 0x07F8
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#endif
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/* The mouse sprite (an arrow) */
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static const unsigned char MouseSprite[64] = {
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0x00, 0x00, 0x00,
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0x00, 0x00, 0x00,
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0x00, 0x00, 0x00,
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0x0F, 0xE0, 0x00,
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0x0F, 0xC0, 0x00,
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0x0F, 0x80, 0x00,
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0x0F, 0xC0, 0x00,
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0x0D, 0xE0, 0x00,
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0x08, 0xF0, 0x00,
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0x00, 0x78, 0x00,
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0x00, 0x3C, 0x00,
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0x00, 0x1E, 0x00,
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0x00, 0x0F, 0x00,
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0x00, 0x07, 0x80,
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0x00, 0x03, 0x80,
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0x00, 0x00, 0x00,
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0x00, 0x00, 0x00,
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0x00, 0x00, 0x00,
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0x00, 0x00, 0x00,
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0x00, 0x00, 0x00,
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0x00, 0x00, 0x00,
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0x00
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};
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#endif /* __C64__ or __C128__ */
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#define max(a,b) (((a) > (b)) ? (a) : (b))
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#define min(a,b) (((a) < (b)) ? (a) : (b))
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static void CheckError (const char* S, unsigned char Error)
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{
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if (Error != MOUSE_ERR_OK) {
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printf ("%s: %s(%d)\n", S, mouse_geterrormsg (Error), Error);
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exit (EXIT_FAILURE);
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}
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}
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static void DoWarning (void)
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/* Warn the user that a mouse driver is needed for this program */
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{
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printf ("Warning: This program needs the mouse\n"
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"driver with the name\n"
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" %s\n"
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"on disk! Press 'y' if you have it or\n"
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"any other key to exit.\n", mouse_stddrv);
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if (tolower (cgetc ()) != 'y') {
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exit (EXIT_SUCCESS);
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}
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printf ("Ok. Please wait patiently...\n");
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}
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static void ShowState (unsigned char Jailed, unsigned char Invisible)
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/* Display jail and cursor state */
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{
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gotoxy (0, 6);
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cclear (40);
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gotoxy (0, 6);
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cprintf ("Mouse cursor %svisible%s", Invisible? "in" : "", Jailed? ", jailed" : "");
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}
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int main (void)
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{
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struct mouse_info info;
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struct mouse_box full_box;
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struct mouse_box small_box;
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unsigned char Invisible;
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unsigned char Done;
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unsigned char Jailed;
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/* Initialize the debugger */
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DbgInit (0);
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/* Output a warning about the driver that is needed */
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DoWarning ();
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/* Clear the screen, set white on black */
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(void) bordercolor (COLOR_BLACK);
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(void) bgcolor (COLOR_BLACK);
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(void) textcolor (COLOR_GRAY3);
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cursor (0);
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clrscr ();
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#if defined(__C64__) || defined(__C128__) || defined(__CBM510__)
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/* Copy the sprite data */
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memcpy ((void*) SPRITE0_DATA, MouseSprite, sizeof (MouseSprite));
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/* Set the VIC sprite pointer */
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*(unsigned char*)SPRITE0_PTR = SPRITE0_DATA / 64;
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/* Set the color of sprite 0 */
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#ifdef __CBM510__
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pokebsys ((unsigned) &VIC.spr0_color, COLOR_WHITE);
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#else
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VIC.spr0_color = COLOR_WHITE;
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#endif
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#endif
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/* Load and install the mouse driver */
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CheckError ("mouse_load_driver",
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mouse_load_driver (&mouse_def_callbacks, mouse_stddrv));
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/* Get the initial mouse bounding box */
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mouse_getbox (&full_box);
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/* Print a help line */
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revers (1);
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cputsxy (0, 0, "d)ebug h)ide q)uit s)how j)ail ");
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revers (0);
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/* Test loop */
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Done = 0;
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Jailed = 0;
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Invisible = 1;
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ShowState (Jailed, Invisible);
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while (!Done) {
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/* Get the current mouse coordinates and button states and print them */
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mouse_info (&info);
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gotoxy (0, 2);
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cprintf ("X = %3d", info.pos.x);
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gotoxy (0, 3);
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cprintf ("Y = %3d", info.pos.y);
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gotoxy (0, 4);
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cprintf ("LB = %c", (info.buttons & MOUSE_BTN_LEFT)? '1' : '0');
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gotoxy (0, 5);
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cprintf ("RB = %c", (info.buttons & MOUSE_BTN_RIGHT)? '1' : '0');
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/* Handle user input */
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if (kbhit ()) {
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switch (tolower (cgetc ())) {
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case 'd':
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BREAK();
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break;
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case 'h':
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ShowState (Jailed, ++Invisible);
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mouse_hide ();
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break;
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case 'j':
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if (Jailed) {
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Jailed = 0;
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mouse_setbox (&full_box);
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} else {
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Jailed = 1;
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small_box.minx = max (info.pos.x - 10, full_box.minx);
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small_box.miny = max (info.pos.y - 10, full_box.miny);
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small_box.maxx = min (info.pos.x + 10, full_box.maxx);
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small_box.maxy = min (info.pos.y + 10, full_box.maxy);
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mouse_setbox (&small_box);
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}
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ShowState (Jailed, Invisible);
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break;
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case 's':
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if (Invisible) {
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ShowState (Jailed, --Invisible);
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mouse_show ();
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}
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break;
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case 'q':
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Done = 1;
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break;
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}
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}
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}
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/* Uninstall and unload the mouse driver */
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CheckError ("mouse_unload", mouse_unload ());
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/* Say goodbye */
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clrscr ();
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cputs ("Goodbye!\r\n");
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return EXIT_SUCCESS;
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}
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