mirror of
https://github.com/RetroDECK/Supermodel.git
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Converted line endings from DOS to UNIX format.
This commit is contained in:
Bart Trzynadlowski
parent
ee8afa17c3
commit
6bf4244207
|
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@ -1,395 +1,395 @@
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/**
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** Supermodel
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** A Sega Model 3 Arcade Emulator.
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** Copyright 2011 Bart Trzynadlowski, Nik Henson
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**
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** This file is part of Supermodel.
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**
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** Supermodel is free software: you can redistribute it and/or modify it under
|
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** the terms of the GNU General Public License as published by the Free
|
||||
** Software Foundation, either version 3 of the License, or (at your option)
|
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** any later version.
|
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**
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||||
** Supermodel is distributed in the hope that it will be useful, but WITHOUT
|
||||
** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
** more details.
|
||||
**
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** You should have received a copy of the GNU General Public License along
|
||||
** with Supermodel. If not, see <http://www.gnu.org/licenses/>.
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**/
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/*
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* m68k.h
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*
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* Header file for the Musashi 68K emulator.
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*
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* Permission was obtained from Karl Stenerud to apply the GPL license to this
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* code.
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*/
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#ifndef M68K__HEADER
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#define M68K__HEADER
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* ======================================================================== */
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/* ========================= LICENSING & COPYRIGHT ======================== */
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/* ======================================================================== */
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||||
/*
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* MUSASHI
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* Version 3.3
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*
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* A portable Motorola M680x0 processor emulation engine.
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* Copyright 1998-2001 Karl Stenerud. All rights reserved.
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*
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* This code may be freely used for non-commercial purposes as long as this
|
||||
* copyright notice remains unaltered in the source code and any binary files
|
||||
* containing this code in compiled form.
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||||
*
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||||
* All other lisencing terms must be negotiated with the author
|
||||
* (Karl Stenerud).
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||||
*
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* The latest version of this code can be obtained at:
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* http://kstenerud.cjb.net
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*/
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||||
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/* ======================================================================== */
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/* ============================ GENERAL DEFINES =========================== */
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/* ======================================================================== */
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/* There are 7 levels of interrupt to the 68K.
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* A transition from < 7 to 7 will cause a non-maskable interrupt (NMI).
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*/
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#define M68K_IRQ_NONE 0
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#define M68K_IRQ_1 1
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#define M68K_IRQ_2 2
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#define M68K_IRQ_3 3
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#define M68K_IRQ_4 4
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#define M68K_IRQ_5 5
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#define M68K_IRQ_6 6
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#define M68K_IRQ_7 7
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/* Special interrupt acknowledge values.
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* Use these as special returns from the interrupt acknowledge callback
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* (specified later in this header).
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*/
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/* Causes an interrupt autovector (0x18 + interrupt level) to be taken.
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* This happens in a real 68K if VPA or AVEC is asserted during an interrupt
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* acknowledge cycle instead of DTACK.
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*/
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#define M68K_INT_ACK_AUTOVECTOR 0xffffffff
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/* Causes the spurious interrupt vector (0x18) to be taken
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* This happens in a real 68K if BERR is asserted during the interrupt
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* acknowledge cycle (i.e. no devices responded to the acknowledge).
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*/
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#define M68K_INT_ACK_SPURIOUS 0xfffffffe
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/* CPU types for use in m68k_set_cpu_type() */
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enum
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{
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M68K_CPU_TYPE_INVALID,
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M68K_CPU_TYPE_68000,
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M68K_CPU_TYPE_68008,
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M68K_CPU_TYPE_68010,
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M68K_CPU_TYPE_68EC020,
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M68K_CPU_TYPE_68020,
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M68K_CPU_TYPE_68030, /* Supported by disassembler ONLY */
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M68K_CPU_TYPE_68040 /* Supported by disassembler ONLY */
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};
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/* Registers used by m68k_get_reg() and m68k_set_reg() */
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typedef enum
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{
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/* Real registers */
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M68K_REG_D0, /* Data registers */
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M68K_REG_D1,
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M68K_REG_D2,
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M68K_REG_D3,
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M68K_REG_D4,
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M68K_REG_D5,
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M68K_REG_D6,
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M68K_REG_D7,
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M68K_REG_A0, /* Address registers */
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M68K_REG_A1,
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M68K_REG_A2,
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M68K_REG_A3,
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M68K_REG_A4,
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M68K_REG_A5,
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M68K_REG_A6,
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M68K_REG_A7,
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M68K_REG_PC, /* Program Counter */
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M68K_REG_SR, /* Status Register */
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M68K_REG_SP, /* The current Stack Pointer (located in A7) */
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M68K_REG_USP, /* User Stack Pointer */
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M68K_REG_ISP, /* Interrupt Stack Pointer */
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M68K_REG_MSP, /* Master Stack Pointer */
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M68K_REG_SFC, /* Source Function Code */
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M68K_REG_DFC, /* Destination Function Code */
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M68K_REG_VBR, /* Vector Base Register */
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M68K_REG_CACR, /* Cache Control Register */
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M68K_REG_CAAR, /* Cache Address Register */
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/* Assumed registers */
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/* These are cheat registers which emulate the 1-longword prefetch
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* present in the 68000 and 68010.
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*/
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M68K_REG_PREF_ADDR, /* Last prefetch address */
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M68K_REG_PREF_DATA, /* Last prefetch data */
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/* Convenience registers */
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M68K_REG_PPC, /* Previous value in the program counter */
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M68K_REG_IR, /* Instruction register */
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M68K_REG_CPU_TYPE /* Type of CPU being run */
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} m68k_register_t;
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/* ======================================================================== */
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/* ====================== FUNCTIONS CALLED BY THE CPU ===================== */
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/* ======================================================================== */
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/* You will have to implement these functions */
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/* read/write functions called by the CPU to access memory.
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* while values used are 32 bits, only the appropriate number
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* of bits are relevant (i.e. in write_memory_8, only the lower 8 bits
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* of value should be written to memory).
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*
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* NOTE: I have separated the immediate and PC-relative memory fetches
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* from the other memory fetches because some systems require
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* differentiation between PROGRAM and DATA fetches (usually
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* for security setups such as encryption).
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* This separation can either be achieved by setting
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* M68K_SEPARATE_READS in m68kconf.h and defining
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* the read functions, or by setting M68K_EMULATE_FC and
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* making a function code callback function.
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* Using the callback offers better emulation coverage
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* because you can also monitor whether the CPU is in SYSTEM or
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* USER mode, but it is also slower.
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*/
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/* Read from anywhere */
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unsigned int m68k_read_memory_8(unsigned int address);
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unsigned int m68k_read_memory_16(unsigned int address);
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unsigned int m68k_read_memory_32(unsigned int address);
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/* Read data immediately following the PC */
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unsigned int m68k_read_immediate_16(unsigned int address);
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unsigned int m68k_read_immediate_32(unsigned int address);
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/* Read data relative to the PC */
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unsigned int m68k_read_pcrelative_8(unsigned int address);
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unsigned int m68k_read_pcrelative_16(unsigned int address);
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unsigned int m68k_read_pcrelative_32(unsigned int address);
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/* Memory access for the disassembler */
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unsigned int m68k_read_disassembler_8 (unsigned int address);
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unsigned int m68k_read_disassembler_16 (unsigned int address);
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unsigned int m68k_read_disassembler_32 (unsigned int address);
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/* Write to anywhere */
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void m68k_write_memory_8(unsigned int address, unsigned int value);
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void m68k_write_memory_16(unsigned int address, unsigned int value);
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void m68k_write_memory_32(unsigned int address, unsigned int value);
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/* Special call to simulate undocumented 68k behavior when move.l with a
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* predecrement destination mode is executed.
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* To simulate real 68k behavior, first write the high word to
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* [address+2], and then write the low word to [address].
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*
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* Enable this functionality with M68K_SIMULATE_PD_WRITES in m68kconf.h.
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*/
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void m68k_write_memory_32_pd(unsigned int address, unsigned int value);
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/* ======================================================================== */
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/* ============================== CALLBACKS =============================== */
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/* ======================================================================== */
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/* These functions allow you to set callbacks to the host when specific events
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* occur. Note that you must enable the corresponding value in m68kconf.h
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* in order for these to do anything useful.
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* Note: I have defined default callbacks which are used if you have enabled
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* the corresponding #define in m68kconf.h but either haven't assigned a
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* callback or have assigned a callback of NULL.
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*/
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/* Set the callback for an interrupt acknowledge.
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* You must enable M68K_EMULATE_INT_ACK in m68kconf.h.
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* The CPU will call the callback with the interrupt level being acknowledged.
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* The host program must return either a vector from 0x02-0xff, or one of the
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* special interrupt acknowledge values specified earlier in this header.
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* If this is not implemented, the CPU will always assume an autovectored
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* interrupt, and will automatically clear the interrupt request when it
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* services the interrupt.
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* Default behavior: return M68K_INT_ACK_AUTOVECTOR.
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*/
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void m68k_set_int_ack_callback(int (*callback)(int int_level));
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/* Set the callback for a breakpoint acknowledge (68010+).
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* You must enable M68K_EMULATE_BKPT_ACK in m68kconf.h.
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* The CPU will call the callback with whatever was in the data field of the
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* BKPT instruction for 68020+, or 0 for 68010.
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* Default behavior: do nothing.
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*/
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void m68k_set_bkpt_ack_callback(void (*callback)(unsigned int data));
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/* Set the callback for the RESET instruction.
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* You must enable M68K_EMULATE_RESET in m68kconf.h.
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* The CPU calls this callback every time it encounters a RESET instruction.
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* Default behavior: do nothing.
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*/
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void m68k_set_reset_instr_callback(void (*callback)(void));
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/* Set the callback for the CMPI.L #v, Dn instruction.
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* You must enable M68K_CMPILD_HAS_CALLBACK in m68kconf.h.
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* The CPU calls this callback every time it encounters a CMPI.L #v, Dn instruction.
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* Default behavior: do nothing.
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*/
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void m68k_set_cmpild_instr_callback(void (*callback)(unsigned int val, int reg));
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/* Set the callback for the RTE instruction.
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* You must enable M68K_RTE_HAS_CALLBACK in m68kconf.h.
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* The CPU calls this callback every time it encounters a RTE instruction.
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* Default behavior: do nothing.
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*/
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void m68k_set_rte_instr_callback(void (*callback)(void));
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/* Set the callback for informing of a large PC change.
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* You must enable M68K_MONITOR_PC in m68kconf.h.
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* The CPU calls this callback with the new PC value every time the PC changes
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* by a large value (currently set for changes by longwords).
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* Default behavior: do nothing.
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*/
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void m68k_set_pc_changed_callback(void (*callback)(unsigned int new_pc));
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||||
/* Set the callback for CPU function code changes.
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||||
* You must enable M68K_EMULATE_FC in m68kconf.h.
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||||
* The CPU calls this callback with the function code before every memory
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* access to set the CPU's function code according to what kind of memory
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* access it is (supervisor/user, program/data and such).
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* Default behavior: do nothing.
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*/
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void m68k_set_fc_callback(void (*callback)(unsigned int new_fc));
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/* Set a callback for the instruction cycle of the CPU.
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||||
* You must enable M68K_INSTRUCTION_HOOK in m68kconf.h.
|
||||
* The CPU calls this callback just before fetching the opcode in the
|
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* instruction cycle.
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||||
* Default behavior: do nothing.
|
||||
*/
|
||||
void m68k_set_instr_hook_callback(void (*callback)(void));
|
||||
|
||||
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||||
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||||
/* ======================================================================== */
|
||||
/* ====================== FUNCTIONS TO ACCESS THE CPU ===================== */
|
||||
/* ======================================================================== */
|
||||
|
||||
/* Use this function to set the CPU type you want to emulate.
|
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* Currently supported types are: M68K_CPU_TYPE_68000, M68K_CPU_TYPE_68008,
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* M68K_CPU_TYPE_68010, M68K_CPU_TYPE_EC020, and M68K_CPU_TYPE_68020.
|
||||
*/
|
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void m68k_set_cpu_type(unsigned int cpu_type);
|
||||
|
||||
/* Do whatever initialisations the core requires. Should be called
|
||||
* at least once at init time.
|
||||
*/
|
||||
void m68k_init(void);
|
||||
|
||||
/* Pulse the RESET pin on the CPU.
|
||||
* You *MUST* reset the CPU at least once to initialize the emulation
|
||||
* Note: If you didn't call m68k_set_cpu_type() before resetting
|
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* the CPU for the first time, the CPU will be set to
|
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* M68K_CPU_TYPE_68000.
|
||||
*/
|
||||
void m68k_pulse_reset(void);
|
||||
|
||||
/* execute num_cycles worth of instructions. returns number of cycles used */
|
||||
int m68k_execute(int num_cycles);
|
||||
|
||||
/* These functions let you read/write/modify the number of cycles left to run
|
||||
* while m68k_execute() is running.
|
||||
* These are useful if the 68k accesses a memory-mapped port on another device
|
||||
* that requires immediate processing by another CPU.
|
||||
*/
|
||||
int m68k_cycles_run(void); /* Number of cycles run so far */
|
||||
int m68k_cycles_remaining(void); /* Number of cycles left */
|
||||
void m68k_modify_timeslice(int cycles); /* Modify cycles left */
|
||||
void m68k_end_timeslice(void); /* End timeslice now */
|
||||
|
||||
/* Set the IPL0-IPL2 pins on the CPU (IRQ).
|
||||
* A transition from < 7 to 7 will cause a non-maskable interrupt (NMI).
|
||||
* Setting IRQ to 0 will clear an interrupt request.
|
||||
*/
|
||||
void m68k_set_irq(unsigned int int_level);
|
||||
|
||||
|
||||
/* Halt the CPU as if you pulsed the HALT pin. */
|
||||
void m68k_pulse_halt(void);
|
||||
|
||||
|
||||
/* Context switching to allow multiple CPUs */
|
||||
|
||||
/* Get the size of the cpu context in bytes */
|
||||
unsigned int m68k_context_size(void);
|
||||
|
||||
/* Get a cpu context */
|
||||
unsigned int m68k_get_context(void* dst);
|
||||
|
||||
/* set the current cpu context */
|
||||
void m68k_set_context(void* dst);
|
||||
|
||||
/* Register the CPU state information */
|
||||
void m68k_state_register(const char *type);
|
||||
|
||||
|
||||
/* Peek at the internals of a CPU context. This can either be a context
|
||||
* retrieved using m68k_get_context() or the currently running context.
|
||||
* If context is NULL, the currently running CPU context will be used.
|
||||
*/
|
||||
unsigned int m68k_get_reg(void* context, m68k_register_t reg);
|
||||
|
||||
/* Poke values into the internals of the currently running CPU context */
|
||||
void m68k_set_reg(m68k_register_t reg, unsigned int value);
|
||||
|
||||
/* Check if an instruction is valid for the specified CPU type */
|
||||
unsigned int m68k_is_valid_instruction(unsigned int instruction, unsigned int cpu_type);
|
||||
|
||||
/* Disassemble 1 instruction using the epecified CPU type at pc. Stores
|
||||
* disassembly in str_buff and returns the size of the instruction in bytes.
|
||||
*/
|
||||
unsigned int m68k_disassemble(char* str_buff, unsigned int pc, unsigned int cpu_type);
|
||||
|
||||
|
||||
/* ======================================================================== */
|
||||
/* ============================= CONFIGURATION ============================ */
|
||||
/* ======================================================================== */
|
||||
|
||||
/* Import the configuration for this build */
|
||||
#include "m68kconf.h"
|
||||
|
||||
|
||||
/* ======================================================================== */
|
||||
/* ============================== END OF FILE ============================= */
|
||||
/* ======================================================================== */
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* M68K__HEADER */
|
||||
/**
|
||||
** Supermodel
|
||||
** A Sega Model 3 Arcade Emulator.
|
||||
** Copyright 2011 Bart Trzynadlowski, Nik Henson
|
||||
**
|
||||
** This file is part of Supermodel.
|
||||
**
|
||||
** Supermodel is free software: you can redistribute it and/or modify it under
|
||||
** the terms of the GNU General Public License as published by the Free
|
||||
** Software Foundation, either version 3 of the License, or (at your option)
|
||||
** any later version.
|
||||
**
|
||||
** Supermodel is distributed in the hope that it will be useful, but WITHOUT
|
||||
** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
** more details.
|
||||
**
|
||||
** You should have received a copy of the GNU General Public License along
|
||||
** with Supermodel. If not, see <http://www.gnu.org/licenses/>.
|
||||
**/
|
||||
|
||||
/*
|
||||
* m68k.h
|
||||
*
|
||||
* Header file for the Musashi 68K emulator.
|
||||
*
|
||||
* Permission was obtained from Karl Stenerud to apply the GPL license to this
|
||||
* code.
|
||||
*/
|
||||
|
||||
#ifndef M68K__HEADER
|
||||
#define M68K__HEADER
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/* ======================================================================== */
|
||||
/* ========================= LICENSING & COPYRIGHT ======================== */
|
||||
/* ======================================================================== */
|
||||
/*
|
||||
* MUSASHI
|
||||
* Version 3.3
|
||||
*
|
||||
* A portable Motorola M680x0 processor emulation engine.
|
||||
* Copyright 1998-2001 Karl Stenerud. All rights reserved.
|
||||
*
|
||||
* This code may be freely used for non-commercial purposes as long as this
|
||||
* copyright notice remains unaltered in the source code and any binary files
|
||||
* containing this code in compiled form.
|
||||
*
|
||||
* All other lisencing terms must be negotiated with the author
|
||||
* (Karl Stenerud).
|
||||
*
|
||||
* The latest version of this code can be obtained at:
|
||||
* http://kstenerud.cjb.net
|
||||
*/
|
||||
|
||||
/* ======================================================================== */
|
||||
/* ============================ GENERAL DEFINES =========================== */
|
||||
|
||||
/* ======================================================================== */
|
||||
|
||||
/* There are 7 levels of interrupt to the 68K.
|
||||
* A transition from < 7 to 7 will cause a non-maskable interrupt (NMI).
|
||||
*/
|
||||
#define M68K_IRQ_NONE 0
|
||||
#define M68K_IRQ_1 1
|
||||
#define M68K_IRQ_2 2
|
||||
#define M68K_IRQ_3 3
|
||||
#define M68K_IRQ_4 4
|
||||
#define M68K_IRQ_5 5
|
||||
#define M68K_IRQ_6 6
|
||||
#define M68K_IRQ_7 7
|
||||
|
||||
|
||||
/* Special interrupt acknowledge values.
|
||||
* Use these as special returns from the interrupt acknowledge callback
|
||||
* (specified later in this header).
|
||||
*/
|
||||
|
||||
/* Causes an interrupt autovector (0x18 + interrupt level) to be taken.
|
||||
* This happens in a real 68K if VPA or AVEC is asserted during an interrupt
|
||||
* acknowledge cycle instead of DTACK.
|
||||
*/
|
||||
#define M68K_INT_ACK_AUTOVECTOR 0xffffffff
|
||||
|
||||
/* Causes the spurious interrupt vector (0x18) to be taken
|
||||
* This happens in a real 68K if BERR is asserted during the interrupt
|
||||
* acknowledge cycle (i.e. no devices responded to the acknowledge).
|
||||
*/
|
||||
#define M68K_INT_ACK_SPURIOUS 0xfffffffe
|
||||
|
||||
|
||||
/* CPU types for use in m68k_set_cpu_type() */
|
||||
enum
|
||||
{
|
||||
M68K_CPU_TYPE_INVALID,
|
||||
M68K_CPU_TYPE_68000,
|
||||
M68K_CPU_TYPE_68008,
|
||||
M68K_CPU_TYPE_68010,
|
||||
M68K_CPU_TYPE_68EC020,
|
||||
M68K_CPU_TYPE_68020,
|
||||
M68K_CPU_TYPE_68030, /* Supported by disassembler ONLY */
|
||||
M68K_CPU_TYPE_68040 /* Supported by disassembler ONLY */
|
||||
};
|
||||
|
||||
/* Registers used by m68k_get_reg() and m68k_set_reg() */
|
||||
typedef enum
|
||||
{
|
||||
/* Real registers */
|
||||
M68K_REG_D0, /* Data registers */
|
||||
M68K_REG_D1,
|
||||
M68K_REG_D2,
|
||||
M68K_REG_D3,
|
||||
M68K_REG_D4,
|
||||
M68K_REG_D5,
|
||||
M68K_REG_D6,
|
||||
M68K_REG_D7,
|
||||
M68K_REG_A0, /* Address registers */
|
||||
M68K_REG_A1,
|
||||
M68K_REG_A2,
|
||||
M68K_REG_A3,
|
||||
M68K_REG_A4,
|
||||
M68K_REG_A5,
|
||||
M68K_REG_A6,
|
||||
M68K_REG_A7,
|
||||
M68K_REG_PC, /* Program Counter */
|
||||
M68K_REG_SR, /* Status Register */
|
||||
M68K_REG_SP, /* The current Stack Pointer (located in A7) */
|
||||
M68K_REG_USP, /* User Stack Pointer */
|
||||
M68K_REG_ISP, /* Interrupt Stack Pointer */
|
||||
M68K_REG_MSP, /* Master Stack Pointer */
|
||||
M68K_REG_SFC, /* Source Function Code */
|
||||
M68K_REG_DFC, /* Destination Function Code */
|
||||
M68K_REG_VBR, /* Vector Base Register */
|
||||
M68K_REG_CACR, /* Cache Control Register */
|
||||
M68K_REG_CAAR, /* Cache Address Register */
|
||||
|
||||
/* Assumed registers */
|
||||
/* These are cheat registers which emulate the 1-longword prefetch
|
||||
* present in the 68000 and 68010.
|
||||
*/
|
||||
M68K_REG_PREF_ADDR, /* Last prefetch address */
|
||||
M68K_REG_PREF_DATA, /* Last prefetch data */
|
||||
|
||||
/* Convenience registers */
|
||||
M68K_REG_PPC, /* Previous value in the program counter */
|
||||
M68K_REG_IR, /* Instruction register */
|
||||
M68K_REG_CPU_TYPE /* Type of CPU being run */
|
||||
} m68k_register_t;
|
||||
|
||||
/* ======================================================================== */
|
||||
/* ====================== FUNCTIONS CALLED BY THE CPU ===================== */
|
||||
/* ======================================================================== */
|
||||
|
||||
/* You will have to implement these functions */
|
||||
|
||||
/* read/write functions called by the CPU to access memory.
|
||||
* while values used are 32 bits, only the appropriate number
|
||||
* of bits are relevant (i.e. in write_memory_8, only the lower 8 bits
|
||||
* of value should be written to memory).
|
||||
*
|
||||
* NOTE: I have separated the immediate and PC-relative memory fetches
|
||||
* from the other memory fetches because some systems require
|
||||
* differentiation between PROGRAM and DATA fetches (usually
|
||||
* for security setups such as encryption).
|
||||
* This separation can either be achieved by setting
|
||||
* M68K_SEPARATE_READS in m68kconf.h and defining
|
||||
* the read functions, or by setting M68K_EMULATE_FC and
|
||||
* making a function code callback function.
|
||||
* Using the callback offers better emulation coverage
|
||||
* because you can also monitor whether the CPU is in SYSTEM or
|
||||
* USER mode, but it is also slower.
|
||||
*/
|
||||
|
||||
/* Read from anywhere */
|
||||
unsigned int m68k_read_memory_8(unsigned int address);
|
||||
unsigned int m68k_read_memory_16(unsigned int address);
|
||||
unsigned int m68k_read_memory_32(unsigned int address);
|
||||
|
||||
/* Read data immediately following the PC */
|
||||
unsigned int m68k_read_immediate_16(unsigned int address);
|
||||
unsigned int m68k_read_immediate_32(unsigned int address);
|
||||
|
||||
/* Read data relative to the PC */
|
||||
unsigned int m68k_read_pcrelative_8(unsigned int address);
|
||||
unsigned int m68k_read_pcrelative_16(unsigned int address);
|
||||
unsigned int m68k_read_pcrelative_32(unsigned int address);
|
||||
|
||||
/* Memory access for the disassembler */
|
||||
unsigned int m68k_read_disassembler_8 (unsigned int address);
|
||||
unsigned int m68k_read_disassembler_16 (unsigned int address);
|
||||
unsigned int m68k_read_disassembler_32 (unsigned int address);
|
||||
|
||||
/* Write to anywhere */
|
||||
void m68k_write_memory_8(unsigned int address, unsigned int value);
|
||||
void m68k_write_memory_16(unsigned int address, unsigned int value);
|
||||
void m68k_write_memory_32(unsigned int address, unsigned int value);
|
||||
|
||||
/* Special call to simulate undocumented 68k behavior when move.l with a
|
||||
* predecrement destination mode is executed.
|
||||
* To simulate real 68k behavior, first write the high word to
|
||||
* [address+2], and then write the low word to [address].
|
||||
*
|
||||
* Enable this functionality with M68K_SIMULATE_PD_WRITES in m68kconf.h.
|
||||
*/
|
||||
void m68k_write_memory_32_pd(unsigned int address, unsigned int value);
|
||||
|
||||
|
||||
|
||||
/* ======================================================================== */
|
||||
/* ============================== CALLBACKS =============================== */
|
||||
/* ======================================================================== */
|
||||
|
||||
/* These functions allow you to set callbacks to the host when specific events
|
||||
* occur. Note that you must enable the corresponding value in m68kconf.h
|
||||
* in order for these to do anything useful.
|
||||
* Note: I have defined default callbacks which are used if you have enabled
|
||||
* the corresponding #define in m68kconf.h but either haven't assigned a
|
||||
* callback or have assigned a callback of NULL.
|
||||
*/
|
||||
|
||||
/* Set the callback for an interrupt acknowledge.
|
||||
* You must enable M68K_EMULATE_INT_ACK in m68kconf.h.
|
||||
* The CPU will call the callback with the interrupt level being acknowledged.
|
||||
* The host program must return either a vector from 0x02-0xff, or one of the
|
||||
* special interrupt acknowledge values specified earlier in this header.
|
||||
* If this is not implemented, the CPU will always assume an autovectored
|
||||
* interrupt, and will automatically clear the interrupt request when it
|
||||
* services the interrupt.
|
||||
* Default behavior: return M68K_INT_ACK_AUTOVECTOR.
|
||||
*/
|
||||
void m68k_set_int_ack_callback(int (*callback)(int int_level));
|
||||
|
||||
|
||||
/* Set the callback for a breakpoint acknowledge (68010+).
|
||||
* You must enable M68K_EMULATE_BKPT_ACK in m68kconf.h.
|
||||
* The CPU will call the callback with whatever was in the data field of the
|
||||
* BKPT instruction for 68020+, or 0 for 68010.
|
||||
* Default behavior: do nothing.
|
||||
*/
|
||||
void m68k_set_bkpt_ack_callback(void (*callback)(unsigned int data));
|
||||
|
||||
|
||||
/* Set the callback for the RESET instruction.
|
||||
* You must enable M68K_EMULATE_RESET in m68kconf.h.
|
||||
* The CPU calls this callback every time it encounters a RESET instruction.
|
||||
* Default behavior: do nothing.
|
||||
*/
|
||||
void m68k_set_reset_instr_callback(void (*callback)(void));
|
||||
|
||||
|
||||
/* Set the callback for the CMPI.L #v, Dn instruction.
|
||||
* You must enable M68K_CMPILD_HAS_CALLBACK in m68kconf.h.
|
||||
* The CPU calls this callback every time it encounters a CMPI.L #v, Dn instruction.
|
||||
* Default behavior: do nothing.
|
||||
*/
|
||||
void m68k_set_cmpild_instr_callback(void (*callback)(unsigned int val, int reg));
|
||||
|
||||
|
||||
/* Set the callback for the RTE instruction.
|
||||
* You must enable M68K_RTE_HAS_CALLBACK in m68kconf.h.
|
||||
* The CPU calls this callback every time it encounters a RTE instruction.
|
||||
* Default behavior: do nothing.
|
||||
*/
|
||||
void m68k_set_rte_instr_callback(void (*callback)(void));
|
||||
|
||||
|
||||
/* Set the callback for informing of a large PC change.
|
||||
* You must enable M68K_MONITOR_PC in m68kconf.h.
|
||||
* The CPU calls this callback with the new PC value every time the PC changes
|
||||
* by a large value (currently set for changes by longwords).
|
||||
* Default behavior: do nothing.
|
||||
*/
|
||||
void m68k_set_pc_changed_callback(void (*callback)(unsigned int new_pc));
|
||||
|
||||
|
||||
/* Set the callback for CPU function code changes.
|
||||
* You must enable M68K_EMULATE_FC in m68kconf.h.
|
||||
* The CPU calls this callback with the function code before every memory
|
||||
* access to set the CPU's function code according to what kind of memory
|
||||
* access it is (supervisor/user, program/data and such).
|
||||
* Default behavior: do nothing.
|
||||
*/
|
||||
void m68k_set_fc_callback(void (*callback)(unsigned int new_fc));
|
||||
|
||||
|
||||
/* Set a callback for the instruction cycle of the CPU.
|
||||
* You must enable M68K_INSTRUCTION_HOOK in m68kconf.h.
|
||||
* The CPU calls this callback just before fetching the opcode in the
|
||||
* instruction cycle.
|
||||
* Default behavior: do nothing.
|
||||
*/
|
||||
void m68k_set_instr_hook_callback(void (*callback)(void));
|
||||
|
||||
|
||||
|
||||
/* ======================================================================== */
|
||||
/* ====================== FUNCTIONS TO ACCESS THE CPU ===================== */
|
||||
/* ======================================================================== */
|
||||
|
||||
/* Use this function to set the CPU type you want to emulate.
|
||||
* Currently supported types are: M68K_CPU_TYPE_68000, M68K_CPU_TYPE_68008,
|
||||
* M68K_CPU_TYPE_68010, M68K_CPU_TYPE_EC020, and M68K_CPU_TYPE_68020.
|
||||
*/
|
||||
void m68k_set_cpu_type(unsigned int cpu_type);
|
||||
|
||||
/* Do whatever initialisations the core requires. Should be called
|
||||
* at least once at init time.
|
||||
*/
|
||||
void m68k_init(void);
|
||||
|
||||
/* Pulse the RESET pin on the CPU.
|
||||
* You *MUST* reset the CPU at least once to initialize the emulation
|
||||
* Note: If you didn't call m68k_set_cpu_type() before resetting
|
||||
* the CPU for the first time, the CPU will be set to
|
||||
* M68K_CPU_TYPE_68000.
|
||||
*/
|
||||
void m68k_pulse_reset(void);
|
||||
|
||||
/* execute num_cycles worth of instructions. returns number of cycles used */
|
||||
int m68k_execute(int num_cycles);
|
||||
|
||||
/* These functions let you read/write/modify the number of cycles left to run
|
||||
* while m68k_execute() is running.
|
||||
* These are useful if the 68k accesses a memory-mapped port on another device
|
||||
* that requires immediate processing by another CPU.
|
||||
*/
|
||||
int m68k_cycles_run(void); /* Number of cycles run so far */
|
||||
int m68k_cycles_remaining(void); /* Number of cycles left */
|
||||
void m68k_modify_timeslice(int cycles); /* Modify cycles left */
|
||||
void m68k_end_timeslice(void); /* End timeslice now */
|
||||
|
||||
/* Set the IPL0-IPL2 pins on the CPU (IRQ).
|
||||
* A transition from < 7 to 7 will cause a non-maskable interrupt (NMI).
|
||||
* Setting IRQ to 0 will clear an interrupt request.
|
||||
*/
|
||||
void m68k_set_irq(unsigned int int_level);
|
||||
|
||||
|
||||
/* Halt the CPU as if you pulsed the HALT pin. */
|
||||
void m68k_pulse_halt(void);
|
||||
|
||||
|
||||
/* Context switching to allow multiple CPUs */
|
||||
|
||||
/* Get the size of the cpu context in bytes */
|
||||
unsigned int m68k_context_size(void);
|
||||
|
||||
/* Get a cpu context */
|
||||
unsigned int m68k_get_context(void* dst);
|
||||
|
||||
/* set the current cpu context */
|
||||
void m68k_set_context(void* dst);
|
||||
|
||||
/* Register the CPU state information */
|
||||
void m68k_state_register(const char *type);
|
||||
|
||||
|
||||
/* Peek at the internals of a CPU context. This can either be a context
|
||||
* retrieved using m68k_get_context() or the currently running context.
|
||||
* If context is NULL, the currently running CPU context will be used.
|
||||
*/
|
||||
unsigned int m68k_get_reg(void* context, m68k_register_t reg);
|
||||
|
||||
/* Poke values into the internals of the currently running CPU context */
|
||||
void m68k_set_reg(m68k_register_t reg, unsigned int value);
|
||||
|
||||
/* Check if an instruction is valid for the specified CPU type */
|
||||
unsigned int m68k_is_valid_instruction(unsigned int instruction, unsigned int cpu_type);
|
||||
|
||||
/* Disassemble 1 instruction using the epecified CPU type at pc. Stores
|
||||
* disassembly in str_buff and returns the size of the instruction in bytes.
|
||||
*/
|
||||
unsigned int m68k_disassemble(char* str_buff, unsigned int pc, unsigned int cpu_type);
|
||||
|
||||
|
||||
/* ======================================================================== */
|
||||
/* ============================= CONFIGURATION ============================ */
|
||||
/* ======================================================================== */
|
||||
|
||||
/* Import the configuration for this build */
|
||||
#include "m68kconf.h"
|
||||
|
||||
|
||||
/* ======================================================================== */
|
||||
/* ============================== END OF FILE ============================= */
|
||||
/* ======================================================================== */
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* M68K__HEADER */
|
||||
|
|
|
|||
File diff suppressed because it is too large
Load diff
|
|
@ -1,254 +1,254 @@
|
|||
/**
|
||||
** Supermodel
|
||||
** A Sega Model 3 Arcade Emulator.
|
||||
** Copyright 2011 Bart Trzynadlowski, Nik Henson
|
||||
**
|
||||
** This file is part of Supermodel.
|
||||
**
|
||||
** Supermodel is free software: you can redistribute it and/or modify it under
|
||||
** the terms of the GNU General Public License as published by the Free
|
||||
** Software Foundation, either version 3 of the License, or (at your option)
|
||||
** any later version.
|
||||
**
|
||||
** Supermodel is distributed in the hope that it will be useful, but WITHOUT
|
||||
** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
** more details.
|
||||
**
|
||||
** You should have received a copy of the GNU General Public License along
|
||||
** with Supermodel. If not, see <http://www.gnu.org/licenses/>.
|
||||
**/
|
||||
|
||||
/*
|
||||
* m68kconf.h
|
||||
*
|
||||
* Musashi configuration.
|
||||
*
|
||||
* Permission was obtained from Karl Stenerud to apply the GPL license to this
|
||||
* code.
|
||||
*/
|
||||
|
||||
/* ======================================================================== */
|
||||
/* ========================= LICENSING & COPYRIGHT ======================== */
|
||||
/* ======================================================================== */
|
||||
/*
|
||||
* MUSASHI
|
||||
* Version 3.3
|
||||
*
|
||||
* A portable Motorola M680x0 processor emulation engine.
|
||||
* Copyright 1998-2001 Karl Stenerud. All rights reserved.
|
||||
*
|
||||
* This code may be freely used for non-commercial purposes as long as this
|
||||
* copyright notice remains unaltered in the source code and any binary files
|
||||
* containing this code in compiled form.
|
||||
*
|
||||
* All other lisencing terms must be negotiated with the author
|
||||
* (Karl Stenerud).
|
||||
*
|
||||
* The latest version of this code can be obtained at:
|
||||
* http://kstenerud.cjb.net
|
||||
*/
|
||||
|
||||
|
||||
|
||||
#ifndef M68KCONF__HEADER
|
||||
#define M68KCONF__HEADER
|
||||
|
||||
#define M68K_COMPILE_FOR_MAME OPT_OFF
|
||||
|
||||
/* Configuration switches.
|
||||
* Use OPT_SPECIFY_HANDLER for configuration options that allow callbacks.
|
||||
* OPT_SPECIFY_HANDLER causes the core to link directly to the function
|
||||
* or macro you specify, rather than using callback functions whose pointer
|
||||
* must be passed in using m68k_set_xxx_callback().
|
||||
*/
|
||||
#define OPT_OFF 0
|
||||
#define OPT_ON 1
|
||||
#define OPT_SPECIFY_HANDLER 2
|
||||
|
||||
|
||||
/* ======================================================================== */
|
||||
/* ============================= CONFIGURATION ============================ */
|
||||
/* ======================================================================== */
|
||||
|
||||
/* Turn ON if you want to use the following M68K variants */
|
||||
#define M68K_EMULATE_008 OPT_OFF
|
||||
#define M68K_EMULATE_010 OPT_OFF
|
||||
#define M68K_EMULATE_EC020 OPT_OFF
|
||||
#define M68K_EMULATE_020 OPT_OFF
|
||||
|
||||
|
||||
/* If ON, the CPU will call m68k_read_immediate_xx() for immediate addressing
|
||||
* and m68k_read_pcrelative_xx() for PC-relative addressing.
|
||||
* If off, all read requests from the CPU will be redirected to m68k_read_xx()
|
||||
*/
|
||||
#define M68K_SEPARATE_READS OPT_ON // fixes Supermodel compilation on MacOS
|
||||
|
||||
/* If ON, the CPU will call m68k_write_32_pd() when it executes move.l with a
|
||||
* predecrement destination EA mode instead of m68k_write_32().
|
||||
* To simulate real 68k behavior, m68k_write_32_pd() must first write the high
|
||||
* word to [address+2], and then write the low word to [address].
|
||||
*/
|
||||
#define M68K_SIMULATE_PD_WRITES OPT_OFF
|
||||
|
||||
/* If ON, CPU will call the interrupt acknowledge callback when it services an
|
||||
* interrupt.
|
||||
* If off, all interrupts will be autovectored and all interrupt requests will
|
||||
* auto-clear when the interrupt is serviced.
|
||||
*/
|
||||
#define M68K_EMULATE_INT_ACK OPT_SPECIFY_HANDLER
|
||||
#define M68K_INT_ACK_CALLBACK(A) M68KIRQCallback(A)
|
||||
|
||||
|
||||
/* If ON, CPU will call the breakpoint acknowledge callback when it encounters
|
||||
* a breakpoint instruction and it is running a 68010+.
|
||||
*/
|
||||
#define M68K_EMULATE_BKPT_ACK OPT_OFF
|
||||
#define M68K_BKPT_ACK_CALLBACK() your_bkpt_ack_handler_function()
|
||||
|
||||
|
||||
/* If ON, the CPU will monitor the trace flags and take trace exceptions
|
||||
*/
|
||||
#define M68K_EMULATE_TRACE OPT_OFF
|
||||
|
||||
|
||||
/* If ON, CPU will call the output reset callback when it encounters a reset
|
||||
* instruction.
|
||||
*/
|
||||
#define M68K_EMULATE_RESET OPT_OFF
|
||||
#define M68K_RESET_CALLBACK() M68KResetCallback()
|
||||
|
||||
|
||||
/* If ON, CPU will call the callback when it encounters a cmpi.l #v, dn
|
||||
* instruction.
|
||||
*/
|
||||
#define M68K_CMPILD_HAS_CALLBACK OPT_OFF
|
||||
#define M68K_CMPILD_CALLBACK(v,r) your_cmpild_handler_function(v,r)
|
||||
|
||||
/* If ON, CPU will call the callback when it encounters a rte
|
||||
* instruction.
|
||||
*/
|
||||
#define M68K_RTE_HAS_CALLBACK OPT_OFF
|
||||
#define M68K_RTE_CALLBACK() your_rte_handler_function()
|
||||
|
||||
|
||||
/* If ON, CPU will call the set fc callback on every memory access to
|
||||
* differentiate between user/supervisor, program/data access like a real
|
||||
* 68000 would. This should be enabled and the callback should be set if you
|
||||
* want to properly emulate the m68010 or higher. (moves uses function codes
|
||||
* to read/write data from different address spaces)
|
||||
*/
|
||||
#define M68K_EMULATE_FC OPT_OFF
|
||||
#define M68K_SET_FC_CALLBACK(A) your_set_fc_handler_function(A)
|
||||
|
||||
|
||||
/* If ON, CPU will call the pc changed callback when it changes the PC by a
|
||||
* large value. This allows host programs to be nicer when it comes to
|
||||
* fetching immediate data and instructions on a banked memory system.
|
||||
*/
|
||||
#define M68K_MONITOR_PC OPT_OFF
|
||||
#define M68K_SET_PC_CALLBACK(A) your_pc_changed_handler_function(A)
|
||||
|
||||
|
||||
/* If ON, CPU will call the instruction hook callback before every
|
||||
* instruction.
|
||||
*/
|
||||
#ifdef SUPERMODEL_DEBUGGER
|
||||
#define M68K_INSTRUCTION_HOOK OPT_SPECIFY_HANDLER
|
||||
#define M68K_INSTRUCTION_CALLBACK() M68KDebugCallback()
|
||||
#else
|
||||
#define M68K_INSTRUCTION_HOOK OPT_OFF
|
||||
#define M68K_INSTRUCTION_CALLBACK() your_instruction_hook_function()
|
||||
#endif // SUPERMODEL_DEBUGGER
|
||||
|
||||
/* If ON, the CPU will emulate the 4-byte prefetch queue of a real 68000 */
|
||||
#define M68K_EMULATE_PREFETCH OPT_OFF
|
||||
|
||||
|
||||
/* If ON, the CPU will generate address error exceptions if it tries to
|
||||
* access a word or longword at an odd address.
|
||||
* NOTE: This is only emulated properly for 68000 mode.
|
||||
*/
|
||||
#define M68K_EMULATE_ADDRESS_ERROR OPT_OFF
|
||||
|
||||
|
||||
/* Turn ON to enable logging of illegal instruction calls.
|
||||
* M68K_LOG_FILEHANDLE must be #defined to a stdio file stream.
|
||||
* Turn on M68K_LOG_1010_1111 to log all 1010 and 1111 calls.
|
||||
*/
|
||||
#define M68K_LOG_ENABLE OPT_OFF
|
||||
#define M68K_LOG_1010_1111 OPT_OFF
|
||||
#define M68K_LOG_FILEHANDLE some_file_handle
|
||||
|
||||
|
||||
/* ----------------------------- COMPATIBILITY ---------------------------- */
|
||||
|
||||
/* The following options set optimizations that violate the current ANSI
|
||||
* standard, but will be compliant under the forthcoming C9X standard.
|
||||
*/
|
||||
|
||||
|
||||
/* If ON, the enulation core will use 64-bit integers to speed up some
|
||||
* operations.
|
||||
*/
|
||||
#define M68K_USE_64_BIT OPT_ON
|
||||
|
||||
|
||||
/* Set to your compiler's static inline keyword to enable it, or
|
||||
* set it to blank to disable it.
|
||||
* If you define INLINE in the makefile, it will override this value.
|
||||
* NOTE: not enabling inline functions will SEVERELY slow down emulation.
|
||||
*/
|
||||
#ifndef INLINE
|
||||
#define INLINE static __inline__ // defined for GCC; if using MSVC, pass INLINE as "static __inline" from Makefile
|
||||
#endif /* INLINE */
|
||||
|
||||
/******************************************************************************
|
||||
Supermodel Interface
|
||||
******************************************************************************/
|
||||
|
||||
// Supermodel 68K interface (these functions defined in CPU/68K.cpp)
|
||||
//#ifndef FASTCALL (this doesn't work for now (needs to be added to the prototypes in m68k.h for m68k_read_memory*)
|
||||
#undef FASTCALL
|
||||
#define FASTCALL
|
||||
//#endif
|
||||
unsigned int FASTCALL M68KFetch8(unsigned int a);
|
||||
unsigned int FASTCALL M68KFetch16(unsigned int a);
|
||||
unsigned int FASTCALL M68KFetch32(unsigned int a);
|
||||
unsigned int FASTCALL M68KRead8(unsigned int a);
|
||||
unsigned int FASTCALL M68KRead16(unsigned int a);
|
||||
unsigned int FASTCALL M68KRead32(unsigned int a);
|
||||
void FASTCALL M68KWrite8(unsigned int a, unsigned int d);
|
||||
void FASTCALL M68KWrite16(unsigned int a, unsigned int d);
|
||||
void FASTCALL M68KWrite32(unsigned int a, unsigned int d);
|
||||
|
||||
/* Read data relative to the PC */
|
||||
#define m68k_read_pcrelative_8(address) M68KFetch8(address)
|
||||
#define m68k_read_pcrelative_16(address) M68KFetch16(address)
|
||||
#define m68k_read_pcrelative_32(address) M68KFetch32(address)
|
||||
|
||||
/* Read data immediately following the PC */
|
||||
#define m68k_read_immediate_16(address) M68KFetch16(address)
|
||||
#define m68k_read_immediate_32(address) M68KFetch32(address)
|
||||
|
||||
/* Memory access for the disassembler */
|
||||
#define m68k_read_disassembler_8(address) M68KRead8(address)
|
||||
#define m68k_read_disassembler_16(address) M68KRead16(address)
|
||||
#define m68k_read_disassembler_32(address) M68KRead32(address)
|
||||
|
||||
/* Read from anywhere */
|
||||
#define m68k_read_memory_8(address) M68KRead8(address)
|
||||
#define m68k_read_memory_16(address) M68KRead16(address)
|
||||
#define m68k_read_memory_32(address) M68KRead32(address)
|
||||
|
||||
/* Write to anywhere */
|
||||
#define m68k_write_memory_8(address, value) M68KWrite8(address, value)
|
||||
#define m68k_write_memory_16(address, value) M68KWrite16(address, value)
|
||||
#define m68k_write_memory_32(address, value) M68KWrite32(address, value)
|
||||
|
||||
|
||||
/* ======================================================================== */
|
||||
/* ============================== END OF FILE ============================= */
|
||||
/* ======================================================================== */
|
||||
|
||||
#endif /* M68KCONF__HEADER */
|
||||
/**
|
||||
** Supermodel
|
||||
** A Sega Model 3 Arcade Emulator.
|
||||
** Copyright 2011 Bart Trzynadlowski, Nik Henson
|
||||
**
|
||||
** This file is part of Supermodel.
|
||||
**
|
||||
** Supermodel is free software: you can redistribute it and/or modify it under
|
||||
** the terms of the GNU General Public License as published by the Free
|
||||
** Software Foundation, either version 3 of the License, or (at your option)
|
||||
** any later version.
|
||||
**
|
||||
** Supermodel is distributed in the hope that it will be useful, but WITHOUT
|
||||
** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
** more details.
|
||||
**
|
||||
** You should have received a copy of the GNU General Public License along
|
||||
** with Supermodel. If not, see <http://www.gnu.org/licenses/>.
|
||||
**/
|
||||
|
||||
/*
|
||||
* m68kconf.h
|
||||
*
|
||||
* Musashi configuration.
|
||||
*
|
||||
* Permission was obtained from Karl Stenerud to apply the GPL license to this
|
||||
* code.
|
||||
*/
|
||||
|
||||
/* ======================================================================== */
|
||||
/* ========================= LICENSING & COPYRIGHT ======================== */
|
||||
/* ======================================================================== */
|
||||
/*
|
||||
* MUSASHI
|
||||
* Version 3.3
|
||||
*
|
||||
* A portable Motorola M680x0 processor emulation engine.
|
||||
* Copyright 1998-2001 Karl Stenerud. All rights reserved.
|
||||
*
|
||||
* This code may be freely used for non-commercial purposes as long as this
|
||||
* copyright notice remains unaltered in the source code and any binary files
|
||||
* containing this code in compiled form.
|
||||
*
|
||||
* All other lisencing terms must be negotiated with the author
|
||||
* (Karl Stenerud).
|
||||
*
|
||||
* The latest version of this code can be obtained at:
|
||||
* http://kstenerud.cjb.net
|
||||
*/
|
||||
|
||||
|
||||
|
||||
#ifndef M68KCONF__HEADER
|
||||
#define M68KCONF__HEADER
|
||||
|
||||
#define M68K_COMPILE_FOR_MAME OPT_OFF
|
||||
|
||||
/* Configuration switches.
|
||||
* Use OPT_SPECIFY_HANDLER for configuration options that allow callbacks.
|
||||
* OPT_SPECIFY_HANDLER causes the core to link directly to the function
|
||||
* or macro you specify, rather than using callback functions whose pointer
|
||||
* must be passed in using m68k_set_xxx_callback().
|
||||
*/
|
||||
#define OPT_OFF 0
|
||||
#define OPT_ON 1
|
||||
#define OPT_SPECIFY_HANDLER 2
|
||||
|
||||
|
||||
/* ======================================================================== */
|
||||
/* ============================= CONFIGURATION ============================ */
|
||||
/* ======================================================================== */
|
||||
|
||||
/* Turn ON if you want to use the following M68K variants */
|
||||
#define M68K_EMULATE_008 OPT_OFF
|
||||
#define M68K_EMULATE_010 OPT_OFF
|
||||
#define M68K_EMULATE_EC020 OPT_OFF
|
||||
#define M68K_EMULATE_020 OPT_OFF
|
||||
|
||||
|
||||
/* If ON, the CPU will call m68k_read_immediate_xx() for immediate addressing
|
||||
* and m68k_read_pcrelative_xx() for PC-relative addressing.
|
||||
* If off, all read requests from the CPU will be redirected to m68k_read_xx()
|
||||
*/
|
||||
#define M68K_SEPARATE_READS OPT_ON // fixes Supermodel compilation on MacOS
|
||||
|
||||
/* If ON, the CPU will call m68k_write_32_pd() when it executes move.l with a
|
||||
* predecrement destination EA mode instead of m68k_write_32().
|
||||
* To simulate real 68k behavior, m68k_write_32_pd() must first write the high
|
||||
* word to [address+2], and then write the low word to [address].
|
||||
*/
|
||||
#define M68K_SIMULATE_PD_WRITES OPT_OFF
|
||||
|
||||
/* If ON, CPU will call the interrupt acknowledge callback when it services an
|
||||
* interrupt.
|
||||
* If off, all interrupts will be autovectored and all interrupt requests will
|
||||
* auto-clear when the interrupt is serviced.
|
||||
*/
|
||||
#define M68K_EMULATE_INT_ACK OPT_SPECIFY_HANDLER
|
||||
#define M68K_INT_ACK_CALLBACK(A) M68KIRQCallback(A)
|
||||
|
||||
|
||||
/* If ON, CPU will call the breakpoint acknowledge callback when it encounters
|
||||
* a breakpoint instruction and it is running a 68010+.
|
||||
*/
|
||||
#define M68K_EMULATE_BKPT_ACK OPT_OFF
|
||||
#define M68K_BKPT_ACK_CALLBACK() your_bkpt_ack_handler_function()
|
||||
|
||||
|
||||
/* If ON, the CPU will monitor the trace flags and take trace exceptions
|
||||
*/
|
||||
#define M68K_EMULATE_TRACE OPT_OFF
|
||||
|
||||
|
||||
/* If ON, CPU will call the output reset callback when it encounters a reset
|
||||
* instruction.
|
||||
*/
|
||||
#define M68K_EMULATE_RESET OPT_OFF
|
||||
#define M68K_RESET_CALLBACK() M68KResetCallback()
|
||||
|
||||
|
||||
/* If ON, CPU will call the callback when it encounters a cmpi.l #v, dn
|
||||
* instruction.
|
||||
*/
|
||||
#define M68K_CMPILD_HAS_CALLBACK OPT_OFF
|
||||
#define M68K_CMPILD_CALLBACK(v,r) your_cmpild_handler_function(v,r)
|
||||
|
||||
/* If ON, CPU will call the callback when it encounters a rte
|
||||
* instruction.
|
||||
*/
|
||||
#define M68K_RTE_HAS_CALLBACK OPT_OFF
|
||||
#define M68K_RTE_CALLBACK() your_rte_handler_function()
|
||||
|
||||
|
||||
/* If ON, CPU will call the set fc callback on every memory access to
|
||||
* differentiate between user/supervisor, program/data access like a real
|
||||
* 68000 would. This should be enabled and the callback should be set if you
|
||||
* want to properly emulate the m68010 or higher. (moves uses function codes
|
||||
* to read/write data from different address spaces)
|
||||
*/
|
||||
#define M68K_EMULATE_FC OPT_OFF
|
||||
#define M68K_SET_FC_CALLBACK(A) your_set_fc_handler_function(A)
|
||||
|
||||
|
||||
/* If ON, CPU will call the pc changed callback when it changes the PC by a
|
||||
* large value. This allows host programs to be nicer when it comes to
|
||||
* fetching immediate data and instructions on a banked memory system.
|
||||
*/
|
||||
#define M68K_MONITOR_PC OPT_OFF
|
||||
#define M68K_SET_PC_CALLBACK(A) your_pc_changed_handler_function(A)
|
||||
|
||||
|
||||
/* If ON, CPU will call the instruction hook callback before every
|
||||
* instruction.
|
||||
*/
|
||||
#ifdef SUPERMODEL_DEBUGGER
|
||||
#define M68K_INSTRUCTION_HOOK OPT_SPECIFY_HANDLER
|
||||
#define M68K_INSTRUCTION_CALLBACK() M68KDebugCallback()
|
||||
#else
|
||||
#define M68K_INSTRUCTION_HOOK OPT_OFF
|
||||
#define M68K_INSTRUCTION_CALLBACK() your_instruction_hook_function()
|
||||
#endif // SUPERMODEL_DEBUGGER
|
||||
|
||||
/* If ON, the CPU will emulate the 4-byte prefetch queue of a real 68000 */
|
||||
#define M68K_EMULATE_PREFETCH OPT_OFF
|
||||
|
||||
|
||||
/* If ON, the CPU will generate address error exceptions if it tries to
|
||||
* access a word or longword at an odd address.
|
||||
* NOTE: This is only emulated properly for 68000 mode.
|
||||
*/
|
||||
#define M68K_EMULATE_ADDRESS_ERROR OPT_OFF
|
||||
|
||||
|
||||
/* Turn ON to enable logging of illegal instruction calls.
|
||||
* M68K_LOG_FILEHANDLE must be #defined to a stdio file stream.
|
||||
* Turn on M68K_LOG_1010_1111 to log all 1010 and 1111 calls.
|
||||
*/
|
||||
#define M68K_LOG_ENABLE OPT_OFF
|
||||
#define M68K_LOG_1010_1111 OPT_OFF
|
||||
#define M68K_LOG_FILEHANDLE some_file_handle
|
||||
|
||||
|
||||
/* ----------------------------- COMPATIBILITY ---------------------------- */
|
||||
|
||||
/* The following options set optimizations that violate the current ANSI
|
||||
* standard, but will be compliant under the forthcoming C9X standard.
|
||||
*/
|
||||
|
||||
|
||||
/* If ON, the enulation core will use 64-bit integers to speed up some
|
||||
* operations.
|
||||
*/
|
||||
#define M68K_USE_64_BIT OPT_ON
|
||||
|
||||
|
||||
/* Set to your compiler's static inline keyword to enable it, or
|
||||
* set it to blank to disable it.
|
||||
* If you define INLINE in the makefile, it will override this value.
|
||||
* NOTE: not enabling inline functions will SEVERELY slow down emulation.
|
||||
*/
|
||||
#ifndef INLINE
|
||||
#define INLINE static __inline__ // defined for GCC; if using MSVC, pass INLINE as "static __inline" from Makefile
|
||||
#endif /* INLINE */
|
||||
|
||||
/******************************************************************************
|
||||
Supermodel Interface
|
||||
******************************************************************************/
|
||||
|
||||
// Supermodel 68K interface (these functions defined in CPU/68K.cpp)
|
||||
//#ifndef FASTCALL (this doesn't work for now (needs to be added to the prototypes in m68k.h for m68k_read_memory*)
|
||||
#undef FASTCALL
|
||||
#define FASTCALL
|
||||
//#endif
|
||||
unsigned int FASTCALL M68KFetch8(unsigned int a);
|
||||
unsigned int FASTCALL M68KFetch16(unsigned int a);
|
||||
unsigned int FASTCALL M68KFetch32(unsigned int a);
|
||||
unsigned int FASTCALL M68KRead8(unsigned int a);
|
||||
unsigned int FASTCALL M68KRead16(unsigned int a);
|
||||
unsigned int FASTCALL M68KRead32(unsigned int a);
|
||||
void FASTCALL M68KWrite8(unsigned int a, unsigned int d);
|
||||
void FASTCALL M68KWrite16(unsigned int a, unsigned int d);
|
||||
void FASTCALL M68KWrite32(unsigned int a, unsigned int d);
|
||||
|
||||
/* Read data relative to the PC */
|
||||
#define m68k_read_pcrelative_8(address) M68KFetch8(address)
|
||||
#define m68k_read_pcrelative_16(address) M68KFetch16(address)
|
||||
#define m68k_read_pcrelative_32(address) M68KFetch32(address)
|
||||
|
||||
/* Read data immediately following the PC */
|
||||
#define m68k_read_immediate_16(address) M68KFetch16(address)
|
||||
#define m68k_read_immediate_32(address) M68KFetch32(address)
|
||||
|
||||
/* Memory access for the disassembler */
|
||||
#define m68k_read_disassembler_8(address) M68KRead8(address)
|
||||
#define m68k_read_disassembler_16(address) M68KRead16(address)
|
||||
#define m68k_read_disassembler_32(address) M68KRead32(address)
|
||||
|
||||
/* Read from anywhere */
|
||||
#define m68k_read_memory_8(address) M68KRead8(address)
|
||||
#define m68k_read_memory_16(address) M68KRead16(address)
|
||||
#define m68k_read_memory_32(address) M68KRead32(address)
|
||||
|
||||
/* Write to anywhere */
|
||||
#define m68k_write_memory_8(address, value) M68KWrite8(address, value)
|
||||
#define m68k_write_memory_16(address, value) M68KWrite16(address, value)
|
||||
#define m68k_write_memory_32(address, value) M68KWrite32(address, value)
|
||||
|
||||
|
||||
/* ======================================================================== */
|
||||
/* ============================== END OF FILE ============================= */
|
||||
/* ======================================================================== */
|
||||
|
||||
#endif /* M68KCONF__HEADER */
|
||||
|
|
|
|||
File diff suppressed because it is too large
Load diff
File diff suppressed because it is too large
Load diff
|
|
@ -1,87 +1,87 @@
|
|||
/**
|
||||
** Supermodel
|
||||
** A Sega Model 3 Arcade Emulator.
|
||||
** Copyright 2011 Bart Trzynadlowski, Nik Henson
|
||||
**
|
||||
** This file is part of Supermodel.
|
||||
**
|
||||
** Supermodel is free software: you can redistribute it and/or modify it under
|
||||
** the terms of the GNU General Public License as published by the Free
|
||||
** Software Foundation, either version 3 of the License, or (at your option)
|
||||
** any later version.
|
||||
**
|
||||
** Supermodel is distributed in the hope that it will be useful, but WITHOUT
|
||||
** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
** more details.
|
||||
**
|
||||
** You should have received a copy of the GNU General Public License along
|
||||
** with Supermodel. If not, see <http://www.gnu.org/licenses/>.
|
||||
**/
|
||||
|
||||
/*
|
||||
* m68kctx.h
|
||||
*
|
||||
* Musashi CPU context. This was made a separate file to more easily facilitate
|
||||
* save state management. It is used internally by m68kcpu.h.
|
||||
*/
|
||||
|
||||
#include "Types.h" // Supermodel types
|
||||
|
||||
typedef struct
|
||||
{
|
||||
UINT32 cpu_type; /* CPU Type: 68000, 68008, 68010, 68EC020, or 68020 */
|
||||
UINT32 dar[16]; /* Data and Address Registers */
|
||||
UINT32 ppc; /* Previous program counter */
|
||||
UINT32 pc; /* Program Counter */
|
||||
UINT32 sp[7]; /* User, Interrupt, and Master Stack Pointers */
|
||||
UINT32 vbr; /* Vector Base Register (m68010+) */
|
||||
UINT32 sfc; /* Source Function Code Register (m68010+) */
|
||||
UINT32 dfc; /* Destination Function Code Register (m68010+) */
|
||||
UINT32 cacr; /* Cache Control Register (m68020, unemulated) */
|
||||
UINT32 caar; /* Cache Address Register (m68020, unemulated) */
|
||||
UINT32 ir; /* Instruction Register */
|
||||
UINT32 t1_flag; /* Trace 1 */
|
||||
UINT32 t0_flag; /* Trace 0 */
|
||||
UINT32 s_flag; /* Supervisor */
|
||||
UINT32 m_flag; /* Master/Interrupt state */
|
||||
UINT32 x_flag; /* Extend */
|
||||
UINT32 n_flag; /* Negative */
|
||||
UINT32 not_z_flag; /* Zero, inverted for speedups */
|
||||
UINT32 v_flag; /* Overflow */
|
||||
UINT32 c_flag; /* Carry */
|
||||
UINT32 int_mask; /* I0-I2 */
|
||||
UINT32 int_level; /* State of interrupt pins IPL0-IPL2 -- ASG: changed from ints_pending */
|
||||
UINT32 int_cycles; /* ASG: extra cycles from generated interrupts */
|
||||
UINT32 stopped; /* Stopped state */
|
||||
UINT32 pref_addr; /* Last prefetch address */
|
||||
UINT32 pref_data; /* Data in the prefetch queue */
|
||||
UINT32 address_mask; /* Available address pins */
|
||||
UINT32 sr_mask; /* Implemented status register bits */
|
||||
UINT32 instr_mode; /* Stores whether we are in instruction mode or group 0/1 exception mode */
|
||||
UINT32 run_mode; /* Stores whether we are processing a reset, bus error, address error, or something else */
|
||||
|
||||
/* Clocks required for instructions / exceptions */
|
||||
UINT32 cyc_bcc_notake_b;
|
||||
UINT32 cyc_bcc_notake_w;
|
||||
UINT32 cyc_dbcc_f_noexp;
|
||||
UINT32 cyc_dbcc_f_exp;
|
||||
UINT32 cyc_scc_r_true;
|
||||
UINT32 cyc_movem_w;
|
||||
UINT32 cyc_movem_l;
|
||||
UINT32 cyc_shift;
|
||||
UINT32 cyc_reset;
|
||||
UINT8* cyc_instruction;
|
||||
UINT8* cyc_exception;
|
||||
|
||||
/* Callbacks to host */
|
||||
int (*int_ack_callback)(int int_line); /* Interrupt Acknowledge */
|
||||
void (*bkpt_ack_callback)(unsigned int data); /* Breakpoint Acknowledge */
|
||||
void (*reset_instr_callback)(void); /* Called when a RESET instruction is encountered */
|
||||
void (*cmpild_instr_callback)(unsigned int, int); /* Called when a CMPI.L #v, Dn instruction is encountered */
|
||||
void (*rte_instr_callback)(void); /* Called when a RTE instruction is encountered */
|
||||
void (*pc_changed_callback)(unsigned int new_pc); /* Called when the PC changes by a large amount */
|
||||
void (*set_fc_callback)(unsigned int new_fc); /* Called when the CPU function code changes */
|
||||
void (*instr_hook_callback)(void); /* Called every instruction cycle prior to execution */
|
||||
|
||||
/**
|
||||
** Supermodel
|
||||
** A Sega Model 3 Arcade Emulator.
|
||||
** Copyright 2011 Bart Trzynadlowski, Nik Henson
|
||||
**
|
||||
** This file is part of Supermodel.
|
||||
**
|
||||
** Supermodel is free software: you can redistribute it and/or modify it under
|
||||
** the terms of the GNU General Public License as published by the Free
|
||||
** Software Foundation, either version 3 of the License, or (at your option)
|
||||
** any later version.
|
||||
**
|
||||
** Supermodel is distributed in the hope that it will be useful, but WITHOUT
|
||||
** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
** more details.
|
||||
**
|
||||
** You should have received a copy of the GNU General Public License along
|
||||
** with Supermodel. If not, see <http://www.gnu.org/licenses/>.
|
||||
**/
|
||||
|
||||
/*
|
||||
* m68kctx.h
|
||||
*
|
||||
* Musashi CPU context. This was made a separate file to more easily facilitate
|
||||
* save state management. It is used internally by m68kcpu.h.
|
||||
*/
|
||||
|
||||
#include "Types.h" // Supermodel types
|
||||
|
||||
typedef struct
|
||||
{
|
||||
UINT32 cpu_type; /* CPU Type: 68000, 68008, 68010, 68EC020, or 68020 */
|
||||
UINT32 dar[16]; /* Data and Address Registers */
|
||||
UINT32 ppc; /* Previous program counter */
|
||||
UINT32 pc; /* Program Counter */
|
||||
UINT32 sp[7]; /* User, Interrupt, and Master Stack Pointers */
|
||||
UINT32 vbr; /* Vector Base Register (m68010+) */
|
||||
UINT32 sfc; /* Source Function Code Register (m68010+) */
|
||||
UINT32 dfc; /* Destination Function Code Register (m68010+) */
|
||||
UINT32 cacr; /* Cache Control Register (m68020, unemulated) */
|
||||
UINT32 caar; /* Cache Address Register (m68020, unemulated) */
|
||||
UINT32 ir; /* Instruction Register */
|
||||
UINT32 t1_flag; /* Trace 1 */
|
||||
UINT32 t0_flag; /* Trace 0 */
|
||||
UINT32 s_flag; /* Supervisor */
|
||||
UINT32 m_flag; /* Master/Interrupt state */
|
||||
UINT32 x_flag; /* Extend */
|
||||
UINT32 n_flag; /* Negative */
|
||||
UINT32 not_z_flag; /* Zero, inverted for speedups */
|
||||
UINT32 v_flag; /* Overflow */
|
||||
UINT32 c_flag; /* Carry */
|
||||
UINT32 int_mask; /* I0-I2 */
|
||||
UINT32 int_level; /* State of interrupt pins IPL0-IPL2 -- ASG: changed from ints_pending */
|
||||
UINT32 int_cycles; /* ASG: extra cycles from generated interrupts */
|
||||
UINT32 stopped; /* Stopped state */
|
||||
UINT32 pref_addr; /* Last prefetch address */
|
||||
UINT32 pref_data; /* Data in the prefetch queue */
|
||||
UINT32 address_mask; /* Available address pins */
|
||||
UINT32 sr_mask; /* Implemented status register bits */
|
||||
UINT32 instr_mode; /* Stores whether we are in instruction mode or group 0/1 exception mode */
|
||||
UINT32 run_mode; /* Stores whether we are processing a reset, bus error, address error, or something else */
|
||||
|
||||
/* Clocks required for instructions / exceptions */
|
||||
UINT32 cyc_bcc_notake_b;
|
||||
UINT32 cyc_bcc_notake_w;
|
||||
UINT32 cyc_dbcc_f_noexp;
|
||||
UINT32 cyc_dbcc_f_exp;
|
||||
UINT32 cyc_scc_r_true;
|
||||
UINT32 cyc_movem_w;
|
||||
UINT32 cyc_movem_l;
|
||||
UINT32 cyc_shift;
|
||||
UINT32 cyc_reset;
|
||||
UINT8* cyc_instruction;
|
||||
UINT8* cyc_exception;
|
||||
|
||||
/* Callbacks to host */
|
||||
int (*int_ack_callback)(int int_line); /* Interrupt Acknowledge */
|
||||
void (*bkpt_ack_callback)(unsigned int data); /* Breakpoint Acknowledge */
|
||||
void (*reset_instr_callback)(void); /* Called when a RESET instruction is encountered */
|
||||
void (*cmpild_instr_callback)(unsigned int, int); /* Called when a CMPI.L #v, Dn instruction is encountered */
|
||||
void (*rte_instr_callback)(void); /* Called when a RTE instruction is encountered */
|
||||
void (*pc_changed_callback)(unsigned int new_pc); /* Called when the PC changes by a large amount */
|
||||
void (*set_fc_callback)(unsigned int new_fc); /* Called when the CPU function code changes */
|
||||
void (*instr_hook_callback)(void); /* Called every instruction cycle prior to execution */
|
||||
|
||||
} m68ki_cpu_core;
|
||||
File diff suppressed because it is too large
Load diff
File diff suppressed because it is too large
Load diff
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Reference in a new issue