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d7afadb2fe
So far conio.h included the target header to get the CH_... and COLOR_... macros. However tgi.h never did the same to get the TGI_COLOR_... macros. And some time ago the JOY_..._MASK macros moved from joystick.h into the target header yet joystick.h didn't include the target header. Why wasn't that issue detected so far? Because about every program using TGI and/or the joystick uses CONIO too and therefore includes the target header that way. However, conceptually it's clean to factor out the target header inclusion and have tgi.h and joystick.h do it like conio.h. Apart from that user code may make direct use of target.h too.
220 lines
8.7 KiB
C
220 lines
8.7 KiB
C
/*****************************************************************************/
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/* */
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/* conio.h */
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/* */
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/* Direct console I/O */
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/* */
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/* */
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/* */
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/* (C) 1998-2007 Ullrich von Bassewitz */
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/* Roemerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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/*
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** This is the direct console interface for cc65. I do not like the function
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** names very much, but the first version started as a rewrite of Borland's
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** conio, and, even if the interface has changed, the names did not.
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**
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** The interface does direct screen I/O, so it is fast enough for most
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** programs. I did not implement text windows, since many applications do
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** not need them and should not pay for the additional overhead. It should
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** be easy to add text windows on a higher level if needed,
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**
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** Most routines do not check the parameters. This may be unfortunate but is
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** also related to speed. The coordinates are always 0/0 based.
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*/
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#ifndef _CONIO_H
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#define _CONIO_H
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#include <stdarg.h>
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#include <target.h>
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/*****************************************************************************/
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/* Functions */
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/*****************************************************************************/
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void clrscr (void);
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/* Clear the whole screen and put the cursor into the top left corner */
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unsigned char kbhit (void);
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/* Return true if there's a key waiting, return false if not */
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void __fastcall__ gotox (unsigned char x);
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/* Set the cursor to the specified X position, leave the Y position untouched */
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void __fastcall__ gotoy (unsigned char y);
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/* Set the cursor to the specified Y position, leave the X position untouched */
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void __fastcall__ gotoxy (unsigned char x, unsigned char y);
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/* Set the cursor to the specified position */
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unsigned char wherex (void);
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/* Return the X position of the cursor */
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unsigned char wherey (void);
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/* Return the Y position of the cursor */
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void __fastcall__ cputc (char c);
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/* Output one character at the current cursor position */
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void __fastcall__ cputcxy (unsigned char x, unsigned char y, char c);
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/* Same as "gotoxy (x, y); cputc (c);" */
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void __fastcall__ cputs (const char* s);
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/* Output a NUL-terminated string at the current cursor position */
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void __fastcall__ cputsxy (unsigned char x, unsigned char y, const char* s);
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/* Same as "gotoxy (x, y); puts (s);" */
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int cprintf (const char* format, ...);
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/* Like printf(), but uses direct screen output */
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int __fastcall__ vcprintf (const char* format, va_list ap);
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/* Like vprintf(), but uses direct screen output */
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char cgetc (void);
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/* Return a character from the keyboard. If there is no character available,
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** the function waits until the user does press a key. If cursor is set to
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** 1 (see below), a blinking cursor is displayed while waiting.
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*/
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int cscanf (const char* format, ...);
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/* Like scanf(), but uses direct keyboard input */
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int __fastcall__ vcscanf (const char* format, va_list ap);
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/* Like vscanf(), but uses direct keyboard input */
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char cpeekc (void);
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/* Return the character from the current cursor position */
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unsigned char cpeekcolor (void);
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/* Return the color from the current cursor position */
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unsigned char cpeekrevers (void);
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/* Return the reverse attribute from the current cursor position.
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** If the character is reversed, then return 1; return 0 otherwise.
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*/
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void __fastcall__ cpeeks (char* s, unsigned int length);
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/* Return a string of the characters that start at the current cursor position.
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** Put the string into the buffer to which "s" points. The string will have
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** "length" characters, then will be '\0'-terminated.
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*/
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unsigned char __fastcall__ cursor (unsigned char onoff);
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/* If onoff is 1, a cursor is displayed when waiting for keyboard input. If
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** onoff is 0, the cursor is hidden when waiting for keyboard input. The
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** function returns the old cursor setting.
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*/
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unsigned char __fastcall__ revers (unsigned char onoff);
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/* Enable/disable reverse character display. This may not be supported by
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** the output device. Return the old setting.
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*/
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unsigned char __fastcall__ textcolor (unsigned char color);
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/* Set the color for text output. The old color setting is returned. */
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unsigned char __fastcall__ bgcolor (unsigned char color);
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/* Set the color for the background. The old color setting is returned. */
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unsigned char __fastcall__ bordercolor (unsigned char color);
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/* Set the color for the border. The old color setting is returned. */
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void __fastcall__ chline (unsigned char length);
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/* Output a horizontal line with the given length starting at the current
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** cursor position.
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*/
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void __fastcall__ chlinexy (unsigned char x, unsigned char y, unsigned char length);
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/* Same as "gotoxy (x, y); chline (length);" */
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void __fastcall__ cvline (unsigned char length);
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/* Output a vertical line with the given length at the current cursor
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** position.
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*/
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void __fastcall__ cvlinexy (unsigned char x, unsigned char y, unsigned char length);
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/* Same as "gotoxy (x, y); cvline (length);" */
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void __fastcall__ cclear (unsigned char length);
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/* Clear part of a line (write length spaces). */
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void __fastcall__ cclearxy (unsigned char x, unsigned char y, unsigned char length);
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/* Same as "gotoxy (x, y); cclear (length);" */
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void __fastcall__ screensize (unsigned char* x, unsigned char* y);
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/* Return the current screen size. */
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void __fastcall__ cputhex8 (unsigned char val);
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void __fastcall__ cputhex16 (unsigned val);
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/* These shouldn't be here... */
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/*****************************************************************************/
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/* Macros */
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/*****************************************************************************/
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/* On some platforms, functions are not available or are dummys. To suppress
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** the call to these functions completely, the platform header files may
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** define macros for these functions that start with an underline. If such a
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** macro exists, a new macro is defined here, that expands to the one with the
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** underline. The reason for this two stepped approach is that it is sometimes
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** necessary to take the address of the function, which is not possible when
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** using a macro. Since the function prototype is still present, #undefining
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** the macro will give access to the actual function.
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*/
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#ifdef _textcolor
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# define textcolor(x) _textcolor(x)
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#endif
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#ifdef _bgcolor
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# define bgcolor(x) _bgcolor(x)
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#endif
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#ifdef _bordercolor
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# define bordercolor(x) _bordercolor(x)
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#endif
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#ifdef _cpeekcolor
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# define cpeekcolor(x) _cpeekcolor(x)
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#endif
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/* End of conio.h */
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#endif
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