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/*
* maincpu.h - Emulation of the main 6510 processor.
*
* Written by
* Ettore Perazzoli (ettore@comm2000.it)
*
* This file is part of VICE, the Versatile Commodore Emulator.
* See README for copyright notice.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA.
*
*/
#ifndef _MAINCPU_H
#define _MAINCPU_H
#include "types.h"
#include "mem.h"
#include "mos6510.h"
#include "6510core.h"
#include "mon.h"
/* ------------------------------------------------------------------------- */
/* Information about the last opcode executed by the CPU. */
extern int last_opcode_info;
/* The lowest 8 bits are the opcode number. */
#define OPINFO_NUMBER_MASK (last_opcode_info & 0xff)
/* If this is set to 1, the opcode has delayed interrupts by one more cycle
(this happens with conditional jumps when jump is taken. */
#define OPINFO_DELAYS_INTERRUPT_MASK (last_opcode_info & 0x100)
/* The VIC-II emulation needs this ugly hack. */
#define EXTERN_PC
extern unsigned int reg_pc;
extern mos6510_regs_t maincpu_regs;
extern monitor_interface_t maincpu_monitor_interface;
extern int rmw_flag;
extern CLOCK clk;
/* ------------------------------------------------------------------------- */
extern CLOCK _maincpu_opcode_write_cycles[];
/* Return the number of write accesses in the last opcode emulated. */
inline static CLOCK maincpu_num_write_cycles(void)
{
return _maincpu_opcode_write_cycles[OPINFO_NUMBER(last_opcode_info)];
}
extern void mainloop(ADDRESS start_address);
#endif /* !defined(_MAINCPU_H) */
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.