1 /* ======================================================================== */
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2 /* ========================= LICENSING & COPYRIGHT ======================== */
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3 /* ======================================================================== */
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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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11 * This code may be freely used for non-commercial purposes as long as this
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12 * copyright notice remains unaltered in the source code and any binary files
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13 * containing this code in compiled form.
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15 * All other lisencing terms must be negotiated with the author
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18 * The latest version of this code can be obtained at:
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19 * http://kstenerud.cjb.net
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24 #ifndef M68KCONF__HEADER
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25 #define M68KCONF__HEADER
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28 /* Configuration switches.
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29 * Use OPT_SPECIFY_HANDLER for configuration options that allow callbacks.
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30 * OPT_SPECIFY_HANDLER causes the core to link directly to the function
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31 * or macro you specify, rather than using callback functions whose pointer
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32 * must be passed in using m68k_set_xxx_callback().
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36 #define OPT_SPECIFY_HANDLER 2
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39 /* ======================================================================== */
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40 /* ============================== MAME STUFF ============================== */
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41 /* ======================================================================== */
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43 /* If you're compiling this for MAME, only change M68K_COMPILE_FOR_MAME
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44 * to OPT_ON and use m68kmame.h to configure the 68k core.
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46 #ifndef M68K_COMPILE_FOR_MAME
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47 #define M68K_COMPILE_FOR_MAME OPT_OFF
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48 #endif /* M68K_COMPILE_FOR_MAME */
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50 #if M68K_COMPILE_FOR_MAME == OPT_ON
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51 #include "m68kmame.h"
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56 /* ======================================================================== */
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57 /* ============================= CONFIGURATION ============================ */
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58 /* ======================================================================== */
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60 /* Turn on if you want to use the following M68K variants */
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61 #define M68K_EMULATE_010 OPT_OFF
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62 #define M68K_EMULATE_EC020 OPT_OFF
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63 #define M68K_EMULATE_020 OPT_OFF
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66 /* If on, the CPU will call m68k_read_immediate_xx() for immediate addressing
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67 * and m68k_read_pcrelative_xx() for PC-relative addressing.
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68 * If off, all read requests from the CPU will be redirected to m68k_read_xx()
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70 #define M68K_SEPARATE_READS OPT_OFF
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73 /* If on, CPU will call the interrupt acknowledge callback when it services an
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75 * If off, all interrupts will be autovectored and all interrupt requests will
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76 * auto-clear when the interrupt is serviced.
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78 //#define M68K_EMULATE_INT_ACK OPT_OFF
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79 //#define M68K_INT_ACK_CALLBACK(A) your_int_ack_handler_function(A)
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81 //#ifdef __cplusplus
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84 int irq_ack_handler(int);
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85 //#ifdef __cplusplus
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89 #define M68K_EMULATE_INT_ACK OPT_SPECIFY_HANDLER
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90 #define M68K_INT_ACK_CALLBACK(A) irq_ack_handler(A)
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93 /* If on, CPU will call the breakpoint acknowledge callback when it encounters
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94 * a breakpoint instruction and it is running a 68010+.
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96 #define M68K_EMULATE_BKPT_ACK OPT_OFF
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97 #define M68K_BKPT_ACK_CALLBACK() your_bkpt_ack_handler_function()
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100 /* If on, the CPU will monitor the trace flags and take trace exceptions
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102 #define M68K_EMULATE_TRACE OPT_OFF
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105 /* If on, CPU will call the output reset callback when it encounters a reset
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108 #define M68K_EMULATE_RESET OPT_OFF
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109 #define M68K_RESET_CALLBACK() your_reset_handler_function()
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112 /* If on, CPU will call the set fc callback on every memory access to
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113 * differentiate between user/supervisor, program/data access like a real
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114 * 68000 would. This should be enabled and the callback should be set if you
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115 * want to properly emulate the m68010 or higher. (moves uses function codes
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116 * to read/write data from different address spaces)
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118 #define M68K_EMULATE_FC OPT_OFF
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119 #define M68K_SET_FC_CALLBACK(A) your_set_fc_handler_function(A)
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122 /* If on, CPU will call the pc changed callback when it changes the PC by a
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123 * large value. This allows host programs to be nicer when it comes to
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124 * fetching immediate data and instructions on a banked memory system.
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126 #define M68K_MONITOR_PC OPT_OFF
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127 #define M68K_SET_PC_CALLBACK(A) your_pc_changed_handler_function(A)
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130 /* If on, CPU will call the instruction hook callback before every
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133 #define M68K_INSTRUCTION_HOOK OPT_OFF
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134 #define M68K_INSTRUCTION_CALLBACK() your_instruction_hook_function()
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137 /* If on, the CPU will emulate the 4-byte prefetch queue of a real 68000 */
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138 #define M68K_EMULATE_PREFETCH OPT_OFF
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141 /* If on, the CPU will generate address error exceptions if it tries to
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142 * access a word or longword at an odd address.
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143 * NOTE: Do not enable this! It is not working!
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145 #define M68K_EMULATE_ADDRESS_ERROR OPT_OFF
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148 /* Turn on to enable logging of illegal instruction calls.
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149 * M68K_LOG_FILEHANDLE must be #defined to a stdio file stream.
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150 * Turn on M68K_LOG_1010_1111 to log all 1010 and 1111 calls.
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152 #define M68K_LOG_ENABLE OPT_OFF
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153 #define M68K_LOG_1010_1111 OPT_OFF
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154 #define M68K_LOG_FILEHANDLE some_file_handle
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157 /* ----------------------------- COMPATIBILITY ---------------------------- */
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159 /* The following options set optimizations that violate the current ANSI
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160 * standard, but will be compliant under the forthcoming C9X standard.
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164 /* If on, the enulation core will use 64-bit integers to speed up some
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167 #define M68K_USE_64_BIT OPT_OFF
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170 /* Set to your compiler's static inline keyword to enable it, or
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171 * set it to blank to disable it.
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172 * If you define INLINE in the makefile, it will override this value.
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173 * NOTE: not enabling inline functions will SEVERELY slow down emulation.
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176 #define INLINE static __inline__
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177 #endif /* INLINE */
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180 /* If your environment requires special prefixes for system callback functions
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181 * such as the argument to qsort(), then set them here or in the makefile.
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187 #endif /* M68K_COMPILE_FOR_MAME */
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190 /* ======================================================================== */
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191 /* ============================== END OF FILE ============================= */
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192 /* ======================================================================== */
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194 #endif /* M68KCONF__HEADER */
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