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cc65/src/sim65/memory.h
bbbradsmith fb7d4acd5c versionable header for sim65
load and run address now configured from header
fix error codes not to conflict with test
fix test/misc/endless.c which is supposed to fail if an endless loop does not occur
2019-05-29 22:56:51 +02:00

73 lines
3.4 KiB
C

/*****************************************************************************/
/* */
/* memory.h */
/* */
/* Memory subsystem for the 6502 simulator */
/* */
/* */
/* */
/* (C) 2002-2012, 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 MEMORY_H
#define MEMORY_H
/*****************************************************************************/
/* Code */
/*****************************************************************************/
void MemWriteByte (unsigned Addr, unsigned char Val);
/* Write a byte to a memory location */
void MemWriteWord (unsigned Addr, unsigned Val);
/* Write a word to a memory location */
unsigned char MemReadByte (unsigned Addr);
/* Read a byte from a memory location */
unsigned MemReadWord (unsigned Addr);
/* Read a word from a memory location */
unsigned MemReadZPWord (unsigned char Addr);
/* Read a word from the zero page. This function differs from MemReadWord in that
** the read will always be in the zero page, even in case of an address
** overflow.
*/
void MemInit (void);
/* Initialize the memory subsystem */
/* End of memory.h */
#endif