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/*****************************************************************************/
/* */
/* cc65.h */
/* */
/* Target independent but cc65 specific utility functions */
/* */
/* */
/* */
/* (C) 2009-2011, Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#ifndef _CC65_H
#define _CC65_H
/*****************************************************************************/
/* Code */
/*****************************************************************************/
long __fastcall__ idiv32by16r16 (long rhs, int lhs);
/* Divide a 32 bit signed value by a 16 bit signed value yielding a 16
** bit result and a 16 bit remainder. The former is returned in the lower 16
** bit of the result, the latter in the upper. If you don't need the
** remainder, just assign (or cast) to an int.
*/
unsigned long __fastcall__ udiv32by16r16 (unsigned long rhs, unsigned lhs);
/* Divide a 32 bit unsigned value by a 16 bit unsigned value yielding a 16
** bit result and a 16 bit remainder. The former is returned in the lower 16
** bit of the result, the latter in the upper. If you don't need the
** remainder, just assign (or cast) to an unsigned.
*/
int __fastcall__ imul8x8r16 (signed char lhs, signed char rhs);
/* Multiplicate two signed 8 bit to yield an signed 16 bit result */
long __fastcall__ imul16x16r32 (int lhs, int rhs);
/* Multiplicate two signed 16 bit to yield a signed 32 bit result */
unsigned __fastcall__ umul8x8r16 (unsigned char lhs, unsigned char rhs);
/* Multiplicate two unsigned 8 bit to yield an unsigned 16 bit result */
unsigned long __fastcall__ umul16x8r32 (unsigned lhs, unsigned char rhs);
/* Multiplicate an unsigned 16 bit by an unsigned 8 bit number yielding a 24
** bit unsigned result that is extended to 32 bits for easier handling from C.
*/
unsigned long __fastcall__ umul16x16r32 (unsigned lhs, unsigned rhs);
/* Multiplicate two unsigned 16 bit to yield an unsigned 32 bit result */
unsigned int __fastcall__ mul20 (unsigned char value);
/* Multiply an 8 bit unsigned value by 20 and return the 16 bit unsigned
** result
*/
unsigned int __fastcall__ mul40 (unsigned char value);
/* Multiply an 8 bit unsigned value by 40 and return the 16 bit unsigned
** result
*/
int __fastcall__ _sin (unsigned x);
/* Return the sine of the argument, which must be in range 0..360. The result
** is in 8.8 fixed point format, which means that 1.0 = $100 and -1.0 = $FF00.
*/
int __fastcall__ _cos (unsigned x);
/* Return the cosine of the argument, which must be in range 0..360. The result
** is in 8.8 fixed point format, which means that 1.0 = $100 and -1.0 = $FF00.
*/
unsigned char doesclrscrafterexit (void);
/* Indicates whether the screen automatically be cleared after program
** termination.
*/
/* End of cc65.h */
#endif
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