e63bf1cde1
The mouse reference is a pointer. If it's NULL, the driver uses a default. If it's non-NULL, then it points to a function that the driver can call. That function will adjust the driver's calibration value. It could ask the user to adjust the pen; or, it could read a file that holds a value from a previous calibration. Application writers can choose how it's done: a function that's provided by the library, a custom function, or nothing.
293 lines
7.3 KiB
C
293 lines
7.3 KiB
C
/*
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** Test program for lightpen drivers. Will work for the C64/C128.
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**
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** 2001-09-13, Ullrich von Bassewitz
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** 2013-06-21, Greg King
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**
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*/
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#include <stdbool.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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#define max(a,b) (((a) > (b)) ? (a) : (b))
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#define min(a,b) (((a) < (b)) ? (a) : (b))
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/* Statically linked driver */
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#define DYN_DRV 0
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#ifdef __C64__
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# if DYN_DRV
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# define mouse_stddrv "c64-inkwell.mou"
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# else
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# define mouse_static_stddrv c64_inkwell_mou
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# endif
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#endif
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#ifdef __C128__
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# if DYN_DRV
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# define mouse_stddrv "c128-inkwell.mou"
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# else
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# define mouse_static_stddrv c128_inkwell_mou
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# endif
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#endif
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#if defined(__C64__) || defined(__C128__)
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/* Addresses of data for sprite 0 */
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#if defined(__C64__)
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# define SPRITE0_DATA ((unsigned char[64])0x0340)
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# define SPRITE0_PTR ((unsigned char *)0x07F8)
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#elif defined(__C128__)
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# define SPRITE0_DATA ((unsigned char[64])0x0E00)
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# define SPRITE0_PTR ((unsigned char *)0x07F8)
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#endif
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/* An arrow sprite */
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static const unsigned char PenSprite[64] = {
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0xFF, 0xFF, 0xFF,
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0xFC, 0x00, 0x00,
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0xF8, 0x00, 0x00,
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0xFC, 0x00, 0x00,
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0xDE, 0x00, 0x00,
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0x8F, 0x00, 0x00,
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0x87, 0x80, 0x00,
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0x83, 0xC0, 0x00,
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0x81, 0xE0, 0x00,
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0x80, 0xF0, 0x00,
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0x80, 0x78, 0x00,
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0x80, 0x38, 0x00,
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0x80, 0x00, 0x00,
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0x80, 0x00, 0x00,
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0x80, 0x00, 0x00,
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0x80, 0x00, 0x00,
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0x80, 0x00, 0x00,
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0x80, 0x00, 0x00,
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0x80, 0x00, 0x00,
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0x80, 0x00, 0x00,
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0x80, 0x00, 0x00
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};
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#endif /* __C64__ or __C128__ */
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static void __fastcall__ CheckError (const char* S, unsigned char Error)
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{
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if (Error != MOUSE_ERR_OK) {
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cprintf ("%s: %s(%u)\r\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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#if DYN_DRV
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static void DoWarning (void)
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/* Warn the user that a lightpen driver is needed for this program. */
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{
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cprintf ("Warning: This program needs a lightpen\r\n"
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"driver with the name\r\n"
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" %s\r\n"
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"on disk! Press 'y' if you have it; or,\r\n"
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"any other key to exit.\r\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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cprintf ("OK. Please wait patiently...\r\n");
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}
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#endif
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static void __fastcall__ ShowState (unsigned char Jailed, unsigned char Invisible)
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/* Display jail and cursor states. */
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{
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cclearxy (0, 7, 32);
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gotoxy (0, 7);
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cprintf ("Pointer is %svisible%s.", Invisible? "in" : "", Jailed? " and 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, small_box;
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char C;
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unsigned char width, height;
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bool Invisible = false, Done = false, Jailed = false;
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#ifdef __C128__
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/* Only the VIC-IIe has a lightpen connection. */
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videomode (VIDEOMODE_40x25);
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#endif
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/* Initiate the debugger. */
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DbgInit (0);
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/* Set dark-on-light colors. Clear the screen. */
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#ifdef __CBM__
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(void) bordercolor (COLOR_GRAY2);
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(void) bgcolor (COLOR_WHITE);
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(void) textcolor (COLOR_GRAY1);
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#else
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(void) bordercolor (COLOR_BLUE);
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(void) bgcolor (COLOR_WHITE);
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(void) textcolor (COLOR_BLACK);
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#endif
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cursor (0);
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clrscr ();
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#if defined(__C64__) || defined(__C128__)
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/* Copy the sprite data. */
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memcpy (SPRITE0_DATA, PenSprite, sizeof PenSprite);
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/* Set the VIC-II sprite pointer. */
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*SPRITE0_PTR = ((unsigned) SPRITE0_DATA & 0x3FFF) / sizeof SPRITE0_DATA;
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/* Set the color of sprite 0. */
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VIC.spr0_color = COLOR_BLACK;
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pen_adjust ("inkwell.dat");
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#endif
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#if DYN_DRV
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/* Output a warning about the driver that is needed. */
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DoWarning ();
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/* Load and install the lightpen 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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#else
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/* Install the lightpen driver. */
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CheckError ("mouse_install",
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mouse_install (&mouse_def_callbacks, mouse_static_stddrv));
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#endif
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/* Get the initial lightpen bounding box. */
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mouse_getbox (&full_box);
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screensize (&width, &height);
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top:
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clrscr ();
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/* Print a help line. */
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cputs (" d)ebug h)ide q)uit s)how j)ail");
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/* Put a cross at the center of the screen. */
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gotoxy (width / 2 - 3, height / 2 - 1);
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cprintf ("%3u,%3u\r\n%*s\xDB", width / 2 * 8 + 4, height / 2 * 8 + 4,
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width / 2, "");
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/* Expose the arrow. */
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mouse_show ();
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ShowState (Jailed, Invisible);
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/* Test loop */
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do {
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/* Get the current lightpen co-ordinates and button states;
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** and, print them.
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*/
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mouse_info (&info);
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gotoxy (0, 2);
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cprintf (" X = %3d\r\n", info.pos.x);
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cprintf (" Y = %3d\r\n", info.pos.y);
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cprintf (" B1 = %c\r\n", (info.buttons & MOUSE_BTN_LEFT) ?
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#ifdef __CBM__
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0x5F
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#else
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'v'
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#endif
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: '^');
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cprintf (" B2 = %c", (info.buttons & MOUSE_BTN_RIGHT) ?
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#ifdef __CBM__
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0x5F
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#else
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'v'
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#endif
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: '^');
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/* Handle user input. */
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if (kbhit ()) {
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cclearxy (1, 9, 23);
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switch (tolower (C = cgetc ())) {
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case 'd':
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BREAK();
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/* The debugger might have changed the colors.
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** Restore them.
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*/
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#ifdef __CBM__
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(void) bordercolor (COLOR_GRAY2);
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(void) bgcolor (COLOR_WHITE);
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(void) textcolor (COLOR_GRAY1);
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#else
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(void) bordercolor (COLOR_BLUE);
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(void) bgcolor (COLOR_WHITE);
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(void) textcolor (COLOR_BLACK);
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#endif
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goto top;
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case 'h':
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mouse_hide ();
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ShowState (Jailed, ++Invisible);
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break;
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case 'j':
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if (Jailed) {
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mouse_setbox (&full_box);
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Jailed = false;
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} else {
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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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Jailed = true;
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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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mouse_show ();
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if (Invisible) {
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ShowState (Jailed, --Invisible);
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}
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break;
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case 'q':
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Done = true;
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break;
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default:
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gotoxy (1, 9);
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cprintf ("Spurious character: $%02X", C);
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}
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}
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} while (!Done);
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#if DYN_DRV
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/* Uninstall and unload the lightpen driver. */
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CheckError ("mouse_unload", mouse_unload ());
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#else
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/* Uninstall the lightpen driver. */
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CheckError ("mouse_uninstall", mouse_uninstall ());
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#endif
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/* Say goodbye. */
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cputsxy (0, height / 2 + 3, "Goodbye!");
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return EXIT_SUCCESS;
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}
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