[93280c2] | 1 | /* ======================================================================== */
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| 2 | /* ========================= LICENSING & COPYRIGHT ======================== */
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| 3 | /* ======================================================================== */
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| 4 | /*
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| 5 | * MUSASHI
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| 6 | * Version 3.4
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| 7 | *
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| 8 | * A portable Motorola M680x0 processor emulation engine.
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| 9 | * Copyright 1998-2001 Karl Stenerud. All rights reserved.
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| 10 | *
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| 11 | * Permission is hereby granted, free of charge, to any person obtaining a copy
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| 12 | * of this software and associated documentation files (the "Software"), to deal
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| 13 | * in the Software without restriction, including without limitation the rights
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| 14 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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| 15 | * copies of the Software, and to permit persons to whom the Software is
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| 16 | * furnished to do so, subject to the following conditions:
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| 17 | *
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| 18 | * The above copyright notice and this permission notice shall be included in
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| 19 | * all copies or substantial portions of the Software.
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| 20 |
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| 21 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 22 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 23 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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| 24 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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| 25 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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| 26 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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| 27 | * THE SOFTWARE.
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| 28 | */
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| 29 |
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| 30 |
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| 31 |
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| 32 | #ifndef M68KCONF__HEADER
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| 33 | #define M68KCONF__HEADER
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| 34 |
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| 35 |
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| 36 | /* Configuration switches.
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| 37 | * Use OPT_SPECIFY_HANDLER for configuration options that allow callbacks.
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| 38 | * OPT_SPECIFY_HANDLER causes the core to link directly to the function
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| 39 | * or macro you specify, rather than using callback functions whose pointer
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| 40 | * must be passed in using m68k_set_xxx_callback().
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| 41 | */
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| 42 | #define OPT_OFF 0
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| 43 | #define OPT_ON 1
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| 44 | #define OPT_SPECIFY_HANDLER 2
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| 45 |
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| 46 |
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| 47 | /* ======================================================================== */
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| 48 | /* ============================== MAME STUFF ============================== */
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| 49 | /* ======================================================================== */
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| 50 |
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| 51 | /* If you're compiling this for MAME, only change M68K_COMPILE_FOR_MAME
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| 52 | * to OPT_ON and use m68kmame.h to configure the 68k core.
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| 53 | */
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| 54 | #ifndef M68K_COMPILE_FOR_MAME
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[7ba3613] | 55 | #define M68K_COMPILE_FOR_MAME OPT_OFF
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[93280c2] | 56 | #endif /* M68K_COMPILE_FOR_MAME */
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| 57 |
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| 58 |
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| 59 | #if M68K_COMPILE_FOR_MAME == OPT_OFF
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| 60 |
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| 61 |
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| 62 | /* ======================================================================== */
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| 63 | /* ============================= CONFIGURATION ============================ */
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| 64 | /* ======================================================================== */
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| 65 |
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| 66 | /* Turn ON if you want to use the following M68K variants */
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[9674f1a] | 67 | #define M68K_EMULATE_010 OPT_OFF
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[7ba3613] | 68 | #define M68K_EMULATE_EC020 OPT_OFF
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| 69 | #define M68K_EMULATE_020 OPT_OFF
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[93280c2] | 70 |
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| 71 |
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| 72 | /* If ON, the CPU will call m68k_read_immediate_xx() for immediate addressing
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| 73 | * and m68k_read_pcrelative_xx() for PC-relative addressing.
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| 74 | * If off, all read requests from the CPU will be redirected to m68k_read_xx()
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| 75 | */
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| 76 | #define M68K_SEPARATE_READS OPT_OFF
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| 77 |
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| 78 | /* If ON, the CPU will call m68k_write_32_pd() when it executes move.l with a
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| 79 | * predecrement destination EA mode instead of m68k_write_32().
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| 80 | * To simulate real 68k behavior, m68k_write_32_pd() must first write the high
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| 81 | * word to [address+2], and then write the low word to [address].
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| 82 | */
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| 83 | #define M68K_SIMULATE_PD_WRITES OPT_OFF
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| 84 |
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| 85 | /* If ON, CPU will call the interrupt acknowledge callback when it services an
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| 86 | * interrupt.
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| 87 | * If off, all interrupts will be autovectored and all interrupt requests will
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| 88 | * auto-clear when the interrupt is serviced.
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| 89 | */
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| 90 | #define M68K_EMULATE_INT_ACK OPT_OFF
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| 91 | #define M68K_INT_ACK_CALLBACK(A) your_int_ack_handler_function(A)
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| 92 |
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| 93 |
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| 94 | /* If ON, CPU will call the breakpoint acknowledge callback when it encounters
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| 95 | * a breakpoint instruction and it is running a 68010+.
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| 96 | */
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| 97 | #define M68K_EMULATE_BKPT_ACK OPT_OFF
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| 98 | #define M68K_BKPT_ACK_CALLBACK() your_bkpt_ack_handler_function()
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| 99 |
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| 100 |
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| 101 | /* If ON, the CPU will monitor the trace flags and take trace exceptions
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| 102 | */
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| 103 | #define M68K_EMULATE_TRACE OPT_OFF
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| 104 |
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| 105 |
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| 106 | /* If ON, CPU will call the output reset callback when it encounters a reset
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| 107 | * instruction.
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| 108 | */
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| 109 | #define M68K_EMULATE_RESET OPT_OFF
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| 110 | #define M68K_RESET_CALLBACK() your_reset_handler_function()
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| 111 |
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| 112 |
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| 113 | /* If ON, CPU will call the set fc callback on every memory access to
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| 114 | * differentiate between user/supervisor, program/data access like a real
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| 115 | * 68000 would. This should be enabled and the callback should be set if you
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| 116 | * want to properly emulate the m68010 or higher. (moves uses function codes
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| 117 | * to read/write data from different address spaces)
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| 118 | */
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| 119 | #define M68K_EMULATE_FC OPT_OFF
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| 120 | #define M68K_SET_FC_CALLBACK(A) your_set_fc_handler_function(A)
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| 121 |
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| 122 |
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| 123 | /* If ON, CPU will call the pc changed callback when it changes the PC by a
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| 124 | * large value. This allows host programs to be nicer when it comes to
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| 125 | * fetching immediate data and instructions on a banked memory system.
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| 126 | */
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| 127 | #define M68K_MONITOR_PC OPT_OFF
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| 128 | #define M68K_SET_PC_CALLBACK(A) your_pc_changed_handler_function(A)
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| 129 |
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| 130 |
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| 131 | /* If ON, CPU will call the instruction hook callback before every
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| 132 | * instruction.
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| 133 | */
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[9674f1a] | 134 | #define M68K_INSTRUCTION_HOOK OPT_ON
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[93280c2] | 135 | #define M68K_INSTRUCTION_CALLBACK() your_instruction_hook_function()
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| 136 |
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| 137 |
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| 138 | /* If ON, the CPU will emulate the 4-byte prefetch queue of a real 68000 */
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| 139 | #define M68K_EMULATE_PREFETCH OPT_OFF
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| 140 |
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| 141 |
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| 142 | /* If ON, the CPU will generate address error exceptions if it tries to
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| 143 | * access a word or longword at an odd address.
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| 144 | * NOTE: This is only emulated properly for 68000 mode.
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| 145 | */
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| 146 | #define M68K_EMULATE_ADDRESS_ERROR OPT_OFF
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| 147 |
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| 148 |
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| 149 | /* Turn ON to enable logging of illegal instruction calls.
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| 150 | * M68K_LOG_FILEHANDLE must be #defined to a stdio file stream.
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| 151 | * Turn on M68K_LOG_1010_1111 to log all 1010 and 1111 calls.
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| 152 | */
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| 153 | #define M68K_LOG_ENABLE OPT_OFF
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| 154 | #define M68K_LOG_1010_1111 OPT_OFF
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| 155 | #define M68K_LOG_FILEHANDLE some_file_handle
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| 156 |
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| 157 |
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| 158 | /* ----------------------------- COMPATIBILITY ---------------------------- */
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| 159 |
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| 160 | /* The following options set optimizations that violate the current ANSI
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| 161 | * standard, but will be compliant under the forthcoming C9X standard.
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| 162 | */
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| 163 |
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| 164 |
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| 165 | /* If ON, the enulation core will use 64-bit integers to speed up some
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| 166 | * operations.
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| 167 | */
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| 168 | #define M68K_USE_64_BIT OPT_OFF
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| 169 |
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| 170 |
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| 171 | /* Set to your compiler's static inline keyword to enable it, or
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| 172 | * set it to blank to disable it.
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| 173 | * If you define INLINE in the makefile, it will override this value.
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| 174 | * NOTE: not enabling inline functions will SEVERELY slow down emulation.
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| 175 | */
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| 176 | #ifndef INLINE
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| 177 | #define INLINE static __inline__
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| 178 | #endif /* INLINE */
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| 179 |
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| 180 | #endif /* M68K_COMPILE_FOR_MAME */
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| 181 |
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| 182 |
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| 183 | /* ======================================================================== */
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| 184 | /* ============================== END OF FILE ============================= */
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| 185 | /* ======================================================================== */
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| 186 |
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| 187 | #endif /* M68KCONF__HEADER */
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