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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23 // notaz: kill some stupid VC warnings
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25 #pragma warning (disable:4100) // unreferenced formal parameter
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26 #pragma warning (disable:4127) // conditional expression is constant
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27 #pragma warning (disable:4245) // type conversion
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28 #pragma warning (disable:4514) // unreferenced inline function has been removed
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32 #ifndef M68KCONF__HEADER
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33 #define M68KCONF__HEADER
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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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44 #define OPT_SPECIFY_HANDLER 2
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47 /* ======================================================================== */
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48 /* ============================== MAME STUFF ============================== */
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49 /* ======================================================================== */
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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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54 #ifndef M68K_COMPILE_FOR_MAME
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55 #define M68K_COMPILE_FOR_MAME OPT_OFF
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56 #endif /* M68K_COMPILE_FOR_MAME */
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59 #if M68K_COMPILE_FOR_MAME == OPT_OFF
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62 /* ======================================================================== */
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63 /* ============================= CONFIGURATION ============================ */
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64 /* ======================================================================== */
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66 /* Turn ON if you want to use the following M68K variants */
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67 #define M68K_EMULATE_008 OPT_OFF
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68 #define M68K_EMULATE_010 OPT_OFF
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69 #define M68K_EMULATE_EC020 OPT_OFF
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70 #define M68K_EMULATE_020 OPT_OFF
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71 #define M68K_EMULATE_040 OPT_OFF
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74 /* If ON, the CPU will call m68k_read_immediate_xx() for immediate addressing
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75 * and m68k_read_pcrelative_xx() for PC-relative addressing.
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76 * If off, all read requests from the CPU will be redirected to m68k_read_xx()
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78 #define M68K_SEPARATE_READS OPT_ON
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80 /* If ON, the CPU will call m68k_write_32_pd() when it executes move.l with a
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81 * predecrement destination EA mode instead of m68k_write_32().
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82 * To simulate real 68k behavior, m68k_write_32_pd() must first write the high
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83 * word to [address+2], and then write the low word to [address].
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85 #define M68K_SIMULATE_PD_WRITES OPT_OFF
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87 /* If ON, CPU will call the interrupt acknowledge callback when it services an
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89 * If off, all interrupts will be autovectored and all interrupt requests will
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90 * auto-clear when the interrupt is serviced.
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92 #define M68K_EMULATE_INT_ACK OPT_ON
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93 #define M68K_INT_ACK_CALLBACK(A) your_int_ack_handler_function(A)
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96 /* If ON, CPU will call the breakpoint acknowledge callback when it encounters
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97 * a breakpoint instruction and it is running a 68010+.
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99 #define M68K_EMULATE_BKPT_ACK OPT_OFF
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100 #define M68K_BKPT_ACK_CALLBACK() your_bkpt_ack_handler_function()
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103 /* If ON, the CPU will monitor the trace flags and take trace exceptions
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105 #define M68K_EMULATE_TRACE OPT_OFF
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108 /* If ON, CPU will call the output reset callback when it encounters a reset
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111 #define M68K_EMULATE_RESET OPT_OFF
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112 #define M68K_RESET_CALLBACK() your_reset_handler_function()
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115 /* If ON, CPU will call the callback when it encounters a cmpi.l #v, dn
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118 #define M68K_CMPILD_HAS_CALLBACK OPT_OFF
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119 #define M68K_CMPILD_CALLBACK(v,r) your_cmpild_handler_function(v,r)
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122 /* If ON, CPU will call the callback when it encounters a rte
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125 #define M68K_RTE_HAS_CALLBACK OPT_OFF
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126 #define M68K_RTE_CALLBACK() your_rte_handler_function()
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129 /* If ON, CPU will call the set fc callback on every memory access to
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130 * differentiate between user/supervisor, program/data access like a real
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131 * 68000 would. This should be enabled and the callback should be set if you
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132 * want to properly emulate the m68010 or higher. (moves uses function codes
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133 * to read/write data from different address spaces)
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135 #define M68K_EMULATE_FC OPT_OFF
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136 #define M68K_SET_FC_CALLBACK(A) your_set_fc_handler_function(A)
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139 /* If ON, CPU will call the pc changed callback when it changes the PC by a
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140 * large value. This allows host programs to be nicer when it comes to
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141 * fetching immediate data and instructions on a banked memory system.
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143 #define M68K_MONITOR_PC OPT_OFF
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144 #define M68K_SET_PC_CALLBACK(A) your_pc_changed_handler_function(A)
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147 /* If ON, CPU will call the instruction hook callback before every
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150 #define M68K_INSTRUCTION_HOOK OPT_OFF
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151 #define M68K_INSTRUCTION_CALLBACK() your_instruction_hook_function()
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154 /* If ON, the CPU will emulate the 4-byte prefetch queue of a real 68000 */
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155 #define M68K_EMULATE_PREFETCH OPT_OFF
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158 /* If ON, the CPU will generate address error exceptions if it tries to
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159 * access a word or longword at an odd address.
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160 * NOTE: This is only emulated properly for 68000 mode.
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162 #define M68K_EMULATE_ADDRESS_ERROR OPT_OFF
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165 /* Turn ON to enable logging of illegal instruction calls.
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166 * M68K_LOG_FILEHANDLE must be #defined to a stdio file stream.
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167 * Turn on M68K_LOG_1010_1111 to log all 1010 and 1111 calls.
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169 #define M68K_LOG_ENABLE OPT_OFF
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170 #define M68K_LOG_1010_1111 OPT_OFF
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171 #define M68K_LOG_FILEHANDLE some_file_handle
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174 /* ----------------------------- COMPATIBILITY ---------------------------- */
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176 /* The following options set optimizations that violate the current ANSI
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177 * standard, but will be compliant under the forthcoming C9X standard.
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181 /* If ON, the enulation core will use 64-bit integers to speed up some
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184 #define M68K_USE_64_BIT OPT_OFF
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187 /* Set to your compiler's static inline keyword to enable it, or
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188 * set it to blank to disable it.
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189 * If you define INLINE in the makefile, it will override this value.
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190 * NOTE: not enabling inline functions will SEVERELY slow down emulation.
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193 #define INLINE static __inline
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194 #endif /* INLINE */
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196 #endif /* M68K_COMPILE_FOR_MAME */
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199 /* ======================================================================== */
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200 /* ============================== END OF FILE ============================= */
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201 /* ======================================================================== */
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203 #endif /* M68KCONF__HEADER */
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