1 /* ======================================================================== */
2 /* ========================= LICENSING & COPYRIGHT ======================== */
3 /* ======================================================================== */
8 * A portable Motorola M680x0 processor emulation engine.
9 * Copyright 1998-2001 Karl Stenerud. All rights reserved.
11 * This code may be freely used for non-commercial purposes as long as this
12 * copyright notice remains unaltered in the source code and any binary files
13 * containing this code in compiled form.
15 * All other lisencing terms must be negotiated with the author
18 * The latest version of this code can be obtained at:
19 * http://kstenerud.cjb.net
24 #ifndef M68KCONF__HEADER
25 #define M68KCONF__HEADER
28 /* Configuration switches.
29 * Use OPT_SPECIFY_HANDLER for configuration options that allow callbacks.
30 * OPT_SPECIFY_HANDLER causes the core to link directly to the function
31 * or macro you specify, rather than using callback functions whose pointer
32 * must be passed in using m68k_set_xxx_callback().
36 #define OPT_SPECIFY_HANDLER 2
39 /* ======================================================================== */
40 /* ============================== MAME STUFF ============================== */
41 /* ======================================================================== */
43 /* If you're compiling this for MAME, only change M68K_COMPILE_FOR_MAME
44 * to OPT_ON and use m68kmame.h to configure the 68k core.
46 #ifndef M68K_COMPILE_FOR_MAME
47 #define M68K_COMPILE_FOR_MAME OPT_OFF
48 #endif /* M68K_COMPILE_FOR_MAME */
50 #if M68K_COMPILE_FOR_MAME == OPT_ON
56 /* ======================================================================== */
57 /* ============================= CONFIGURATION ============================ */
58 /* ======================================================================== */
60 /* Turn on if you want to use the following M68K variants */
61 #define M68K_EMULATE_010 OPT_OFF
62 #define M68K_EMULATE_EC020 OPT_OFF
63 #define M68K_EMULATE_020 OPT_OFF
66 /* If on, the CPU will call m68k_read_immediate_xx() for immediate addressing
67 * and m68k_read_pcrelative_xx() for PC-relative addressing.
68 * If off, all read requests from the CPU will be redirected to m68k_read_xx()
70 #define M68K_SEPARATE_READS OPT_OFF
73 /* If on, CPU will call the interrupt acknowledge callback when it services an
75 * If off, all interrupts will be autovectored and all interrupt requests will
76 * auto-clear when the interrupt is serviced.
78 //#define M68K_EMULATE_INT_ACK OPT_OFF
79 //#define M68K_INT_ACK_CALLBACK(A) your_int_ack_handler_function(A)
84 int irq_ack_handler(int);
89 #define M68K_EMULATE_INT_ACK OPT_SPECIFY_HANDLER
90 #define M68K_INT_ACK_CALLBACK(A) irq_ack_handler(A)
93 /* If on, CPU will call the breakpoint acknowledge callback when it encounters
94 * a breakpoint instruction and it is running a 68010+.
96 #define M68K_EMULATE_BKPT_ACK OPT_OFF
97 #define M68K_BKPT_ACK_CALLBACK() your_bkpt_ack_handler_function()
100 /* If on, the CPU will monitor the trace flags and take trace exceptions
102 #define M68K_EMULATE_TRACE OPT_OFF
105 /* If on, CPU will call the output reset callback when it encounters a reset
108 #define M68K_EMULATE_RESET OPT_OFF
109 #define M68K_RESET_CALLBACK() your_reset_handler_function()
112 /* If on, CPU will call the set fc callback on every memory access to
113 * differentiate between user/supervisor, program/data access like a real
114 * 68000 would. This should be enabled and the callback should be set if you
115 * want to properly emulate the m68010 or higher. (moves uses function codes
116 * to read/write data from different address spaces)
118 #define M68K_EMULATE_FC OPT_OFF
119 #define M68K_SET_FC_CALLBACK(A) your_set_fc_handler_function(A)
122 /* If on, CPU will call the pc changed callback when it changes the PC by a
123 * large value. This allows host programs to be nicer when it comes to
124 * fetching immediate data and instructions on a banked memory system.
126 #define M68K_MONITOR_PC OPT_OFF
127 #define M68K_SET_PC_CALLBACK(A) your_pc_changed_handler_function(A)
130 /* If on, CPU will call the instruction hook callback before every
133 void M68KInstructionHook(void);
134 //#define M68K_INSTRUCTION_HOOK OPT_OFF
135 #define M68K_INSTRUCTION_HOOK OPT_SPECIFY_HANDLER
136 //#define M68K_INSTRUCTION_CALLBACK() your_instruction_hook_function()
137 #define M68K_INSTRUCTION_CALLBACK() M68KInstructionHook()
140 /* If on, the CPU will emulate the 4-byte prefetch queue of a real 68000 */
141 #define M68K_EMULATE_PREFETCH OPT_OFF
144 /* If on, the CPU will generate address error exceptions if it tries to
145 * access a word or longword at an odd address.
146 * NOTE: Do not enable this! It is not working!
148 #define M68K_EMULATE_ADDRESS_ERROR OPT_OFF
151 /* Turn on to enable logging of illegal instruction calls.
152 * M68K_LOG_FILEHANDLE must be #defined to a stdio file stream.
153 * Turn on M68K_LOG_1010_1111 to log all 1010 and 1111 calls.
155 #define M68K_LOG_ENABLE OPT_OFF
156 #define M68K_LOG_1010_1111 OPT_OFF
157 #define M68K_LOG_FILEHANDLE some_file_handle
160 /* ----------------------------- COMPATIBILITY ---------------------------- */
162 /* The following options set optimizations that violate the current ANSI
163 * standard, but will be compliant under the forthcoming C9X standard.
167 /* If on, the enulation core will use 64-bit integers to speed up some
170 #define M68K_USE_64_BIT OPT_OFF
173 /* Set to your compiler's static inline keyword to enable it, or
174 * set it to blank to disable it.
175 * If you define INLINE in the makefile, it will override this value.
176 * NOTE: not enabling inline functions will SEVERELY slow down emulation.
179 #define INLINE static __inline__
183 /* If your environment requires special prefixes for system callback functions
184 * such as the argument to qsort(), then set them here or in the makefile.
190 #endif /* M68K_COMPILE_FOR_MAME */
193 /* ======================================================================== */
194 /* ============================== END OF FILE ============================= */
195 /* ======================================================================== */
197 #endif /* M68KCONF__HEADER */