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Supermodel/Src/CPU/68K/Musashi/m68kconf.h

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/**
** Supermodel
** A Sega Model 3 Arcade Emulator.
** Copyright 2003-2022 The Supermodel Team
**
** This file is part of Supermodel.
**
** Supermodel 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 3 of the License, or (at your option)
** any later version.
**
** Supermodel 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 Supermodel. If not, see <http://www.gnu.org/licenses/>.
**/
/*
* m68kconf.h
*
* Musashi configuration.
*
* Permission was obtained from Karl Stenerud to apply the GPL license to this
* code.
*/
/* ======================================================================== */
/* ========================= LICENSING & COPYRIGHT ======================== */
/* ======================================================================== */
/*
* MUSASHI
* Version 3.3
*
* A portable Motorola M680x0 processor emulation engine.
* Copyright 1998-2001 Karl Stenerud. All rights reserved.
*
* This code may be freely used for non-commercial purposes as long as this
* copyright notice remains unaltered in the source code and any binary files
* containing this code in compiled form.
*
* All other lisencing terms must be negotiated with the author
* (Karl Stenerud).
*
* The latest version of this code can be obtained at:
* http://kstenerud.cjb.net
*/
#ifndef M68KCONF__HEADER
#define M68KCONF__HEADER
#define M68K_COMPILE_FOR_MAME OPT_OFF
/* Configuration switches.
* Use OPT_SPECIFY_HANDLER for configuration options that allow callbacks.
* OPT_SPECIFY_HANDLER causes the core to link directly to the function
* or macro you specify, rather than using callback functions whose pointer
* must be passed in using m68k_set_xxx_callback().
*/
#define OPT_OFF 0
#define OPT_ON 1
#define OPT_SPECIFY_HANDLER 2
/* ======================================================================== */
/* ============================= CONFIGURATION ============================ */
/* ======================================================================== */
/* Turn ON if you want to use the following M68K variants */
#define M68K_EMULATE_008 OPT_OFF
#define M68K_EMULATE_010 OPT_OFF
#define M68K_EMULATE_EC020 OPT_OFF
#define M68K_EMULATE_020 OPT_OFF
/* If ON, the CPU will call m68k_read_immediate_xx() for immediate addressing
* and m68k_read_pcrelative_xx() for PC-relative addressing.
* If off, all read requests from the CPU will be redirected to m68k_read_xx()
*/
#define M68K_SEPARATE_READS OPT_ON // fixes Supermodel compilation on MacOS
/* If ON, the CPU will call m68k_write_32_pd() when it executes move.l with a
* predecrement destination EA mode instead of m68k_write_32().
* To simulate real 68k behavior, m68k_write_32_pd() must first write the high
* word to [address+2], and then write the low word to [address].
*/
#define M68K_SIMULATE_PD_WRITES OPT_OFF
/* If ON, CPU will call the interrupt acknowledge callback when it services an
* interrupt.
* If off, all interrupts will be autovectored and all interrupt requests will
* auto-clear when the interrupt is serviced.
*/
#define M68K_EMULATE_INT_ACK OPT_ON
#define M68K_INT_ACK_CALLBACK(A) your_int_ack_handler_function(A)
/* If ON, CPU will call the breakpoint acknowledge callback when it encounters
* a breakpoint instruction and it is running a 68010+.
*/
#define M68K_EMULATE_BKPT_ACK OPT_OFF
#define M68K_BKPT_ACK_CALLBACK() your_bkpt_ack_handler_function()
/* If ON, the CPU will monitor the trace flags and take trace exceptions
*/
#define M68K_EMULATE_TRACE OPT_OFF
/* If ON, CPU will call the output reset callback when it encounters a reset
* instruction.
*/
#define M68K_EMULATE_RESET OPT_OFF
#define M68K_RESET_CALLBACK() your_reset_instr_handler_function()
/* If ON, CPU will call the callback when it encounters a cmpi.l #v, dn
* instruction.
*/
#define M68K_CMPILD_HAS_CALLBACK OPT_OFF
#define M68K_CMPILD_CALLBACK(v,r) your_cmpild_handler_function(v,r)
/* If ON, CPU will call the callback when it encounters a rte
* instruction.
*/
#define M68K_RTE_HAS_CALLBACK OPT_OFF
#define M68K_RTE_CALLBACK() your_rte_handler_function()
/* If ON, CPU will call the set fc callback on every memory access to
* differentiate between user/supervisor, program/data access like a real
* 68000 would. This should be enabled and the callback should be set if you
* want to properly emulate the m68010 or higher. (moves uses function codes
* to read/write data from different address spaces)
*/
#define M68K_EMULATE_FC OPT_OFF
#define M68K_SET_FC_CALLBACK(A) your_set_fc_handler_function(A)
/* If ON, CPU will call the pc changed callback when it changes the PC by a
* large value. This allows host programs to be nicer when it comes to
* fetching immediate data and instructions on a banked memory system.
*/
#define M68K_MONITOR_PC OPT_OFF
#define M68K_SET_PC_CALLBACK(A) your_pc_changed_handler_function(A)
/* If ON, CPU will call the instruction hook callback before every
* instruction.
*/
#ifdef SUPERMODEL_DEBUGGER
#define M68K_INSTRUCTION_HOOK OPT_ON
#else
#define M68K_INSTRUCTION_HOOK OPT_OFF
#endif // SUPERMODEL_DEBUGGER
#define M68K_INSTRUCTION_CALLBACK() your_instruction_hook_function()
/* If ON, the CPU will emulate the 4-byte prefetch queue of a real 68000 */
#define M68K_EMULATE_PREFETCH OPT_OFF
/* If ON, the CPU will generate address error exceptions if it tries to
* access a word or longword at an odd address.
* NOTE: This is only emulated properly for 68000 mode.
*/
#define M68K_EMULATE_ADDRESS_ERROR OPT_OFF
/* Turn ON to enable logging of illegal instruction calls.
* M68K_LOG_FILEHANDLE must be #defined to a stdio file stream.
* Turn on M68K_LOG_1010_1111 to log all 1010 and 1111 calls.
*/
#define M68K_LOG_ENABLE OPT_OFF
#define M68K_LOG_1010_1111 OPT_OFF
#define M68K_LOG_FILEHANDLE some_file_handle
/* ----------------------------- COMPATIBILITY ---------------------------- */
/* The following options set optimizations that violate the current ANSI
* standard, but will be compliant under the forthcoming C9X standard.
*/
/* If ON, the enulation core will use 64-bit integers to speed up some
* operations.
*/
#define M68K_USE_64_BIT OPT_ON
/* Set to your compiler's static inline keyword to enable it, or
* set it to blank to disable it.
* If you define INLINE in the makefile, it will override this value.
* NOTE: not enabling inline functions will SEVERELY slow down emulation.
*/
#ifndef INLINE
#define INLINE static __inline__ // defined for GCC; if using MSVC, pass INLINE as "static __inline" from Makefile
#endif /* INLINE */
/******************************************************************************
Supermodel Interface
******************************************************************************/
// Supermodel 68K interface (these functions defined in CPU/68K.cpp)
//#ifndef FASTCALL (this doesn't work for now (needs to be added to the prototypes in m68k.h for m68k_read_memory*)
#undef FASTCALL
#define FASTCALL
//#endif
unsigned int FASTCALL M68KFetch8(unsigned int a);
unsigned int FASTCALL M68KFetch16(unsigned int a);
unsigned int FASTCALL M68KFetch32(unsigned int a);
unsigned int FASTCALL M68KRead8(unsigned int a);
unsigned int FASTCALL M68KRead16(unsigned int a);
unsigned int FASTCALL M68KRead32(unsigned int a);
void FASTCALL M68KWrite8(unsigned int a, unsigned int d);
void FASTCALL M68KWrite16(unsigned int a, unsigned int d);
void FASTCALL M68KWrite32(unsigned int a, unsigned int d);
/* Read data relative to the PC */
#define m68k_read_pcrelative_8(address) M68KFetch8(address)
#define m68k_read_pcrelative_16(address) M68KFetch16(address)
#define m68k_read_pcrelative_32(address) M68KFetch32(address)
/* Read data immediately following the PC */
#define m68k_read_immediate_16(address) M68KFetch16(address)
#define m68k_read_immediate_32(address) M68KFetch32(address)
/* Memory access for the disassembler */
#define m68k_read_disassembler_8(address) M68KRead8(address)
#define m68k_read_disassembler_16(address) M68KRead16(address)
#define m68k_read_disassembler_32(address) M68KRead32(address)
/* Read from anywhere */
#define m68k_read_memory_8(address) M68KRead8(address)
#define m68k_read_memory_16(address) M68KRead16(address)
#define m68k_read_memory_32(address) M68KRead32(address)
/* Write to anywhere */
#define m68k_write_memory_8(address, value) M68KWrite8(address, value)
#define m68k_write_memory_16(address, value) M68KWrite16(address, value)
#define m68k_write_memory_32(address, value) M68KWrite32(address, value)
/* ======================================================================== */
/* ============================== END OF FILE ============================= */
/* ======================================================================== */
#endif /* M68KCONF__HEADER */
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