cc65/src/da65/code.h

92 lines
4.0 KiB
C

/*****************************************************************************/
/* */
/* code.h */
/* */
/* Binary code management */
/* */
/* */
/* */
/* (C) 2000-2003 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 CODE_H
#define CODE_H
/*****************************************************************************/
/* Data */
/*****************************************************************************/
extern unsigned char CodeBuf [0x10000]; /* Code buffer */
extern unsigned long CodeStart; /* Start address */
extern unsigned long CodeEnd; /* End address */
extern unsigned long PC; /* Current PC */
/*****************************************************************************/
/* Code */
/*****************************************************************************/
void LoadCode (void);
/* Load the code from the given file */
unsigned char GetCodeByte (unsigned Addr);
/* Get a byte from the given address */
unsigned GetCodeDByte (unsigned Addr);
/* Get a dbyte from the given address */
unsigned GetCodeWord (unsigned Addr);
/* Get a word from the given address */
unsigned long GetCodeDWord (unsigned Addr);
/* Get a dword from the given address */
unsigned GetCodeLongAddr (unsigned Addr);
/* Get a 24-bit address from the given address */
unsigned GetRemainingBytes (void);
/* Return the number of remaining code bytes */
int CodeLeft (void);
/* Return true if there are code bytes left */
void ResetCode (void);
/* Reset the code input to start over for the next pass */
/* End of code.h */
#endif