/** ** 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 . **/ /* * 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 */