/* ======================================================================== */ /* ========================= LICENSING & COPYRIGHT ======================== */ /* ======================================================================== */ /* * MUSASHI * Version 3.4 * * 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_OFF /* ======================================================================== */ /* ============================= CONFIGURATION ============================ */ /* ======================================================================== */ /* Turn ON if you want to use the following M68K variants */ #define M68K_EMULATE_010 OPT_ON #define M68K_EMULATE_EC020 OPT_ON #define M68K_EMULATE_020 OPT_ON /* 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, 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_OFF #define M68K_INT_ACK_CALLBACK(A) 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_OFF #define M68K_RESET_CALLBACK() 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_OFF #define M68K_SET_FC_CALLBACK(A) 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_SPECIFY_HANDLER #define M68K_INSTRUCTION_CALLBACK() cpu_instr_callback() /* 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: This is only emulated properly for 68000 mode. */ #define M68K_EMULATE_ADDRESS_ERROR OPT_ON /* 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 stderr /* ----------------------------- 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_OFF /* 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__ #define INLINE static #endif /* INLINE */ #endif /* M68K_COMPILE_FOR_MAME */ #include "sim.h" #define m68k_read_memory_8(A) cpu_read_byte(A) #define m68k_read_memory_16(A) cpu_read_word(A) #define m68k_read_memory_32(A) cpu_read_long(A) #define m68k_read_disassembler_16(A) cpu_read_word_dasm(A) #define m68k_read_disassembler_32(A) cpu_read_long_dasm(A) #define m68k_write_memory_8(A, V) cpu_write_byte(A, V) #define m68k_write_memory_16(A, V) cpu_write_word(A, V) #define m68k_write_memory_32(A, V) cpu_write_long(A, V) /* ======================================================================== */ /* ============================== END OF FILE ============================= */ /* ======================================================================== */ #endif /* M68KCONF__HEADER */