source: buchla-emu/cpu/m68kconf.h@ e26a632

Last change on this file since e26a632 was 9674f1a, checked in by Thomas Lopatic <thomas@…>, 7 years ago

Log BIOS calls.
  • Property mode set to 100755
File size: 7.0 KB
Line 
1/* ======================================================================== */
2/* ========================= LICENSING & COPYRIGHT ======================== */
3/* ======================================================================== */
4/*
5 * MUSASHI
6 * Version 3.4
7 *
8 * A portable Motorola M680x0 processor emulation engine.
9 * Copyright 1998-2001 Karl Stenerud. All rights reserved.
10 *
11 * Permission is hereby granted, free of charge, to any person obtaining a copy
12 * of this software and associated documentation files (the "Software"), to deal
13 * in the Software without restriction, including without limitation the rights
14 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
15 * copies of the Software, and to permit persons to whom the Software is
16 * furnished to do so, subject to the following conditions:
17 *
18 * The above copyright notice and this permission notice shall be included in
19 * all copies or substantial portions of the Software.
20
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
24 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
26 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
27 * THE SOFTWARE.
28 */
29
30
31
32#ifndef M68KCONF__HEADER
33#define M68KCONF__HEADER
34
35
36/* Configuration switches.
37 * Use OPT_SPECIFY_HANDLER for configuration options that allow callbacks.
38 * OPT_SPECIFY_HANDLER causes the core to link directly to the function
39 * or macro you specify, rather than using callback functions whose pointer
40 * must be passed in using m68k_set_xxx_callback().
41 */
42#define OPT_OFF 0
43#define OPT_ON 1
44#define OPT_SPECIFY_HANDLER 2
45
46
47/* ======================================================================== */
48/* ============================== MAME STUFF ============================== */
49/* ======================================================================== */
50
51/* If you're compiling this for MAME, only change M68K_COMPILE_FOR_MAME
52 * to OPT_ON and use m68kmame.h to configure the 68k core.
53 */
54#ifndef M68K_COMPILE_FOR_MAME
55#define M68K_COMPILE_FOR_MAME OPT_OFF
56#endif /* M68K_COMPILE_FOR_MAME */
57
58
59#if M68K_COMPILE_FOR_MAME == OPT_OFF
60
61
62/* ======================================================================== */
63/* ============================= CONFIGURATION ============================ */
64/* ======================================================================== */
65
66/* Turn ON if you want to use the following M68K variants */
67#define M68K_EMULATE_010 OPT_OFF
68#define M68K_EMULATE_EC020 OPT_OFF
69#define M68K_EMULATE_020 OPT_OFF
70
71
72/* If ON, the CPU will call m68k_read_immediate_xx() for immediate addressing
73 * and m68k_read_pcrelative_xx() for PC-relative addressing.
74 * If off, all read requests from the CPU will be redirected to m68k_read_xx()
75 */
76#define M68K_SEPARATE_READS OPT_OFF
77
78/* If ON, the CPU will call m68k_write_32_pd() when it executes move.l with a
79 * predecrement destination EA mode instead of m68k_write_32().
80 * To simulate real 68k behavior, m68k_write_32_pd() must first write the high
81 * word to [address+2], and then write the low word to [address].
82 */
83#define M68K_SIMULATE_PD_WRITES OPT_OFF
84
85/* If ON, CPU will call the interrupt acknowledge callback when it services an
86 * interrupt.
87 * If off, all interrupts will be autovectored and all interrupt requests will
88 * auto-clear when the interrupt is serviced.
89 */
90#define M68K_EMULATE_INT_ACK OPT_OFF
91#define M68K_INT_ACK_CALLBACK(A) your_int_ack_handler_function(A)
92
93
94/* If ON, CPU will call the breakpoint acknowledge callback when it encounters
95 * a breakpoint instruction and it is running a 68010+.
96 */
97#define M68K_EMULATE_BKPT_ACK OPT_OFF
98#define M68K_BKPT_ACK_CALLBACK() your_bkpt_ack_handler_function()
99
100
101/* If ON, the CPU will monitor the trace flags and take trace exceptions
102 */
103#define M68K_EMULATE_TRACE OPT_OFF
104
105
106/* If ON, CPU will call the output reset callback when it encounters a reset
107 * instruction.
108 */
109#define M68K_EMULATE_RESET OPT_OFF
110#define M68K_RESET_CALLBACK() your_reset_handler_function()
111
112
113/* If ON, CPU will call the set fc callback on every memory access to
114 * differentiate between user/supervisor, program/data access like a real
115 * 68000 would. This should be enabled and the callback should be set if you
116 * want to properly emulate the m68010 or higher. (moves uses function codes
117 * to read/write data from different address spaces)
118 */
119#define M68K_EMULATE_FC OPT_OFF
120#define M68K_SET_FC_CALLBACK(A) your_set_fc_handler_function(A)
121
122
123/* If ON, CPU will call the pc changed callback when it changes the PC by a
124 * large value. This allows host programs to be nicer when it comes to
125 * fetching immediate data and instructions on a banked memory system.
126 */
127#define M68K_MONITOR_PC OPT_OFF
128#define M68K_SET_PC_CALLBACK(A) your_pc_changed_handler_function(A)
129
130
131/* If ON, CPU will call the instruction hook callback before every
132 * instruction.
133 */
134#define M68K_INSTRUCTION_HOOK OPT_ON
135#define M68K_INSTRUCTION_CALLBACK() your_instruction_hook_function()
136
137
138/* If ON, the CPU will emulate the 4-byte prefetch queue of a real 68000 */
139#define M68K_EMULATE_PREFETCH OPT_OFF
140
141
142/* If ON, the CPU will generate address error exceptions if it tries to
143 * access a word or longword at an odd address.
144 * NOTE: This is only emulated properly for 68000 mode.
145 */
146#define M68K_EMULATE_ADDRESS_ERROR OPT_OFF
147
148
149/* Turn ON to enable logging of illegal instruction calls.
150 * M68K_LOG_FILEHANDLE must be #defined to a stdio file stream.
151 * Turn on M68K_LOG_1010_1111 to log all 1010 and 1111 calls.
152 */
153#define M68K_LOG_ENABLE OPT_OFF
154#define M68K_LOG_1010_1111 OPT_OFF
155#define M68K_LOG_FILEHANDLE some_file_handle
156
157
158/* ----------------------------- COMPATIBILITY ---------------------------- */
159
160/* The following options set optimizations that violate the current ANSI
161 * standard, but will be compliant under the forthcoming C9X standard.
162 */
163
164
165/* If ON, the enulation core will use 64-bit integers to speed up some
166 * operations.
167*/
168#define M68K_USE_64_BIT OPT_OFF
169
170
171/* Set to your compiler's static inline keyword to enable it, or
172 * set it to blank to disable it.
173 * If you define INLINE in the makefile, it will override this value.
174 * NOTE: not enabling inline functions will SEVERELY slow down emulation.
175 */
176#ifndef INLINE
177#define INLINE static __inline__
178#endif /* INLINE */
179
180#endif /* M68K_COMPILE_FOR_MAME */
181
182
183/* ======================================================================== */
184/* ============================== END OF FILE ============================= */
185/* ======================================================================== */
186
187#endif /* M68KCONF__HEADER */
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