/* ======================================================================== */ | |
/* ========================= 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 | |
/* 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 | |
/* ======================================================================== */ | |
/* ============================== MAME STUFF ============================== */ | |
/* ======================================================================== */ | |
/* If you're compiling this for MAME, only change M68K_COMPILE_FOR_MAME | |
* to OPT_ON and use m68kmame.h to configure the 68k core. | |
*/ | |
#ifndef M68K_COMPILE_FOR_MAME | |
#define M68K_COMPILE_FOR_MAME OPT_OFF | |
#endif /* M68K_COMPILE_FOR_MAME */ | |
#if M68K_COMPILE_FOR_MAME == OPT_ON | |
#include "m68kmame.h" | |
#else | |
/* ======================================================================== */ | |
/* ============================= CONFIGURATION ============================ */ | |
/* ======================================================================== */ | |
/* Turn on if you want to use the following M68K variants */ | |
#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_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_SPECIFY_HANDLER | |
#define M68K_INT_ACK_CALLBACK(A) m68k_cpu_irq_ack(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_SPECIFY_HANDLER | |
#define M68K_RESET_CALLBACK() m68k_cpu_pulse_reset() | |
/* 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_SPECIFY_HANDLER | |
#define M68K_SET_FC_CALLBACK(A) m68k_cpu_set_fc(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. | |
*/ | |
#define M68K_INSTRUCTION_HOOK OPT_OFF | |
#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_ON | |
/* If on, the CPU will generate address error exceptions if it tries to | |
* access a word or longword at an odd address. | |
* NOTE: Do not enable this! It is not working! | |
*/ | |
#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 emulation 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 | |
#endif /* INLINE */ | |
/* If your environment requires special prefixes for system callback functions | |
* such as the argument to qsort(), then set them here or in the makefile. | |
*/ | |
#ifndef DECL_SPEC | |
#define DECL_SPEC | |
#endif | |
#endif /* M68K_COMPILE_FOR_MAME */ | |
#include "m68ksim.h" | |
#define m68k_read_memory_8(A) m68k_cpu_read_byte(A) | |
#define m68k_read_memory_16(A) m68k_cpu_read_word(A) | |
#define m68k_read_memory_32(A) m68k_cpu_read_long(A) | |
#define m68k_write_memory_8(A, V) m68k_cpu_write_byte(A, V) | |
#define m68k_write_memory_16(A, V) m68k_cpu_write_word(A, V) | |
#define m68k_write_memory_32(A, V) m68k_cpu_write_long(A, V) | |
/* ======================================================================== */ | |
/* ============================== END OF FILE ============================= */ | |
/* ======================================================================== */ | |
#endif /* M68KCONF__HEADER */ |