repos/blastem: musashi/m68kcpu.h annotate

annotate musashi/m68kcpu.h @ 1506:ded16f3d7eb4 mame_interp

Super hacky integration of the version of Musashi from MAME

author	Michael Pavone <pavone@retrodev.com>
date	Wed, 27 Dec 2017 13:46:52 -0800
parents
children	2455662378ed

rev	line source
1506 ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1 // license:BSD-3-Clause
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	2 // copyright-holders:Karl Stenerud
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	3 /* ======================================================================== */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	4 /* ========================= LICENSING & COPYRIGHT ======================== */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	5 /* ======================================================================== */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	6 /*
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	7 * MUSASHI
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	8 * Version 4.50
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	9 *
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	10 * A portable Motorola M680x0 processor emulation engine.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	11 * Copyright Karl Stenerud. All rights reserved.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	12 *
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	13 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	14
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	15
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	16 #pragma once
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	17
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	18 #ifndef __M68KCPU_H__
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	19 #define __M68KCPU_H__
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	20
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	21 #include "../m68k_core.h"
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	22 typedef struct m68000_base_device m68000_base_device;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	23 struct m68000_base_device {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	24 m68k_context c;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	25 uint32_t cpu_type;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	26 uint32_t pc;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	27 uint32_t ppc;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	28 uint32_t stopped; /* Stopped state */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	29 uint32_t pref_addr;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	30 uint32_t pref_data;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	31 uint32_t sr_mask; /* Implemented status register bits */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	32 uint32_t instr_mode; /* Stores whether we are in instruction mode or group 0/1 exception mode */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	33 uint32_t run_mode; /* Stores whether we are processing a reset, bus error, address error, or something else */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	34 uint32_t s_flag; /* Supervisor */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	35 uint32_t m_flag; /* Master/Interrupt state */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	36 uint32_t x_flag; /* Extend */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	37 uint32_t n_flag; /* Negative */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	38 uint32_t not_z_flag; /* Zero, inverted for speedups */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	39 uint32_t v_flag; /* Overflow */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	40 uint32_t c_flag; /* Carry */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	41 uint32_t int_mask; /* I0-I2 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	42 uint32_t ir;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	43 uint32_t cyc_bcc_notake_b;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	44 uint32_t cyc_bcc_notake_w;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	45 uint32_t cyc_dbcc_f_noexp;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	46 uint32_t cyc_dbcc_f_exp;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	47 uint32_t cyc_scc_r_true;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	48 uint32_t cyc_movem_w;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	49 uint32_t cyc_movem_l;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	50 uint32_t cyc_shift;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	51 uint32_t cyc_reset;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	52
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	53 void (*jump_table)(m68000_base_device m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	54 const uint8_t* cyc_instruction;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	55 const uint8_t* cyc_exception;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	56 };
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	57
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	58 /* Special interrupt acknowledge values.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	59 * Use these as special returns from the interrupt acknowledge callback
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	60 * (specified later in this header).
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	61 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	62
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	63 /* Causes an interrupt autovector (0x18 + interrupt level) to be taken.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	64 * This happens in a real 68K if VPA or AVEC is asserted during an interrupt
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	65 * acknowledge cycle instead of DTACK.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	66 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	67 #define M68K_INT_ACK_AUTOVECTOR 0xffffffff
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	68
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	69 /* Causes the spurious interrupt vector (0x18) to be taken
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	70 * This happens in a real 68K if BERR is asserted during the interrupt
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	71 * acknowledge cycle (i.e. no devices responded to the acknowledge).
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	72 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	73 #define M68K_INT_ACK_SPURIOUS 0xfffffffe
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	74
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	75 #include <limits.h>
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	76
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	77 #if defined(__sun__) && defined(__svr4__)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	78 #undef REG_SP
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	79 #undef REG_PC
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	80 #undef REG_FP
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	81 #endif
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	82
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	83 /* ======================================================================== */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	84 /* ==================== ARCHITECTURE-DEPENDANT DEFINES ==================== */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	85 /* ======================================================================== */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	86
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	87 /* Check for > 32bit sizes */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	88 #define MAKE_INT_8(A) (int8_t)(A)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	89 #define MAKE_INT_16(A) (int16_t)(A)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	90 #define MAKE_INT_32(A) (int32_t)(A)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	91
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	92
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	93 /* ======================================================================== */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	94 /* ============================ GENERAL DEFINES =========================== */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	95 /* ======================================================================== */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	96
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	97 /* Exception Vectors handled by emulation */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	98 #define EXCEPTION_RESET 0
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	99 #define EXCEPTION_BUS_ERROR 2 /* This one is not emulated! */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	100 #define EXCEPTION_ADDRESS_ERROR 3 /* This one is partially emulated (doesn't stack a proper frame yet) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	101 #define EXCEPTION_ILLEGAL_INSTRUCTION 4
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	102 #define EXCEPTION_ZERO_DIVIDE 5
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	103 #define EXCEPTION_CHK 6
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	104 #define EXCEPTION_TRAPV 7
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	105 #define EXCEPTION_PRIVILEGE_VIOLATION 8
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	106 #define EXCEPTION_TRACE 9
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	107 #define EXCEPTION_1010 10
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	108 #define EXCEPTION_1111 11
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	109 #define EXCEPTION_FORMAT_ERROR 14
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	110 #define EXCEPTION_UNINITIALIZED_INTERRUPT 15
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	111 #define EXCEPTION_SPURIOUS_INTERRUPT 24
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	112 #define EXCEPTION_INTERRUPT_AUTOVECTOR 24
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	113 #define EXCEPTION_TRAP_BASE 32
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	114
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	115 /* Function codes set by CPU during data/address bus activity */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	116 #define FUNCTION_CODE_USER_DATA 1
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	117 #define FUNCTION_CODE_USER_PROGRAM 2
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	118 #define FUNCTION_CODE_SUPERVISOR_DATA 5
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	119 #define FUNCTION_CODE_SUPERVISOR_PROGRAM 6
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	120 #define FUNCTION_CODE_CPU_SPACE 7
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	121
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	122 /* CPU types for deciding what to emulate */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	123 #define CPU_TYPE_000 (0x00000001)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	124 #define CPU_TYPE_008 (0x00000002)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	125 #define CPU_TYPE_010 (0x00000004)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	126 #define CPU_TYPE_EC020 (0x00000008)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	127 #define CPU_TYPE_020 (0x00000010)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	128 #define CPU_TYPE_EC030 (0x00000020)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	129 #define CPU_TYPE_030 (0x00000040)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	130 #define CPU_TYPE_EC040 (0x00000080)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	131 #define CPU_TYPE_LC040 (0x00000100)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	132 #define CPU_TYPE_040 (0x00000200)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	133 #define CPU_TYPE_SCC070 (0x00000400)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	134 #define CPU_TYPE_FSCPU32 (0x00000800)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	135 #define CPU_TYPE_COLDFIRE (0x00001000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	136
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	137 /* Different ways to stop the CPU */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	138 #define STOP_LEVEL_STOP 1
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	139 #define STOP_LEVEL_HALT 2
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	140
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	141 /* Used for 68000 address error processing */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	142 #define INSTRUCTION_YES 0
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	143 #define INSTRUCTION_NO 0x08
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	144 #define MODE_READ 0x10
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	145 #define MODE_WRITE 0
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	146
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	147 #define RUN_MODE_NORMAL 0
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	148 #define RUN_MODE_BERR_AERR_RESET 1
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	149
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	150
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	151
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	152 #define M68K_CACR_IBE 0x10 // Instruction Burst Enable
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	153 #define M68K_CACR_CI 0x08 // Clear Instruction Cache
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	154 #define M68K_CACR_CEI 0x04 // Clear Entry in Instruction Cache
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	155 #define M68K_CACR_FI 0x02 // Freeze Instruction Cache
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	156 #define M68K_CACR_EI 0x01 // Enable Instruction Cache
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	157
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	158 /* ======================================================================== */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	159 /* ================================ MACROS ================================ */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	160 /* ======================================================================== */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	161
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	162
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	163 /* ---------------------------- General Macros ---------------------------- */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	164
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	165 /* Bit Isolation Macros */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	166 #define BIT_0(A) ((A) & 0x00000001)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	167 #define BIT_1(A) ((A) & 0x00000002)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	168 #define BIT_2(A) ((A) & 0x00000004)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	169 #define BIT_3(A) ((A) & 0x00000008)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	170 #define BIT_4(A) ((A) & 0x00000010)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	171 #define BIT_5(A) ((A) & 0x00000020)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	172 #define BIT_6(A) ((A) & 0x00000040)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	173 #define BIT_7(A) ((A) & 0x00000080)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	174 #define BIT_8(A) ((A) & 0x00000100)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	175 #define BIT_9(A) ((A) & 0x00000200)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	176 #define BIT_A(A) ((A) & 0x00000400)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	177 #define BIT_B(A) ((A) & 0x00000800)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	178 #define BIT_C(A) ((A) & 0x00001000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	179 #define BIT_D(A) ((A) & 0x00002000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	180 #define BIT_E(A) ((A) & 0x00004000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	181 #define BIT_F(A) ((A) & 0x00008000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	182 #define BIT_10(A) ((A) & 0x00010000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	183 #define BIT_11(A) ((A) & 0x00020000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	184 #define BIT_12(A) ((A) & 0x00040000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	185 #define BIT_13(A) ((A) & 0x00080000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	186 #define BIT_14(A) ((A) & 0x00100000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	187 #define BIT_15(A) ((A) & 0x00200000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	188 #define BIT_16(A) ((A) & 0x00400000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	189 #define BIT_17(A) ((A) & 0x00800000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	190 #define BIT_18(A) ((A) & 0x01000000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	191 #define BIT_19(A) ((A) & 0x02000000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	192 #define BIT_1A(A) ((A) & 0x04000000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	193 #define BIT_1B(A) ((A) & 0x08000000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	194 #define BIT_1C(A) ((A) & 0x10000000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	195 #define BIT_1D(A) ((A) & 0x20000000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	196 #define BIT_1E(A) ((A) & 0x40000000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	197 #define BIT_1F(A) ((A) & 0x80000000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	198
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	199 /* Get the most significant bit for specific sizes */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	200 #define GET_MSB_8(A) ((A) & 0x80)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	201 #define GET_MSB_9(A) ((A) & 0x100)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	202 #define GET_MSB_16(A) ((A) & 0x8000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	203 #define GET_MSB_17(A) ((A) & 0x10000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	204 #define GET_MSB_32(A) ((A) & 0x80000000)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	205 #define GET_MSB_33(A) ((A) & 0x100000000U)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	206
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	207 /* Isolate nibbles */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	208 #define LOW_NIBBLE(A) ((A) & 0x0f)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	209 #define HIGH_NIBBLE(A) ((A) & 0xf0)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	210
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	211 /* These are used to isolate 8, 16, and 32 bit sizes */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	212 #define MASK_OUT_ABOVE_2(A) ((A) & 3)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	213 #define MASK_OUT_ABOVE_8(A) ((A) & 0xff)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	214 #define MASK_OUT_ABOVE_16(A) ((A) & 0xffff)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	215 #define MASK_OUT_BELOW_2(A) ((A) & ~3)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	216 #define MASK_OUT_BELOW_8(A) ((A) & ~0xff)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	217 #define MASK_OUT_BELOW_16(A) ((A) & ~0xffff)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	218
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	219 /* No need to mask if we are 32 bit */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	220 #define MASK_OUT_ABOVE_32(A) ((A) & ((uint64_t)0xffffffffU))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	221 #define MASK_OUT_BELOW_32(A) ((A) & ~((uint64_t)0xffffffffU))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	222
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	223 /* Shift & Rotate Macros. */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	224 #define LSL(A, C) ((A) << (C))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	225 #define LSR(A, C) ((A) >> (C))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	226
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	227 /* We have to do this because the morons at ANSI decided that shifts
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	228 * by >= data size are undefined.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	229 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	230 #define LSR_32(A, C) ((C) < 32 ? (A) >> (C) : 0)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	231 #define LSL_32(A, C) ((C) < 32 ? (A) << (C) : 0)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	232
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	233 #define LSL_32_64(A, C) ((A) << (C))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	234 #define LSR_32_64(A, C) ((A) >> (C))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	235 #define ROL_33_64(A, C) (LSL_32_64(A, C) \| LSR_32_64(A, 33-(C)))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	236 #define ROR_33_64(A, C) (LSR_32_64(A, C) \| LSL_32_64(A, 33-(C)))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	237
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	238 #define ROL_8(A, C) MASK_OUT_ABOVE_8(LSL(A, C) \| LSR(A, 8-(C)))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	239 #define ROL_9(A, C) (LSL(A, C) \| LSR(A, 9-(C)))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	240 #define ROL_16(A, C) MASK_OUT_ABOVE_16(LSL(A, C) \| LSR(A, 16-(C)))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	241 #define ROL_17(A, C) (LSL(A, C) \| LSR(A, 17-(C)))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	242 #define ROL_32(A, C) MASK_OUT_ABOVE_32(LSL_32(A, C) \| LSR_32(A, 32-(C)))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	243 #define ROL_33(A, C) (LSL_32(A, C) \| LSR_32(A, 33-(C)))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	244
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	245 #define ROR_8(A, C) MASK_OUT_ABOVE_8(LSR(A, C) \| LSL(A, 8-(C)))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	246 #define ROR_9(A, C) (LSR(A, C) \| LSL(A, 9-(C)))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	247 #define ROR_16(A, C) MASK_OUT_ABOVE_16(LSR(A, C) \| LSL(A, 16-(C)))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	248 #define ROR_17(A, C) (LSR(A, C) \| LSL(A, 17-(C)))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	249 #define ROR_32(A, C) MASK_OUT_ABOVE_32(LSR_32(A, C) \| LSL_32(A, 32-(C)))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	250 #define ROR_33(A, C) (LSR_32(A, C) \| LSL_32(A, 33-(C)))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	251
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	252
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	253
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	254 /* ------------------------------ CPU Access ------------------------------ */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	255
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	256 /* Access the CPU registers */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	257 #define REG_DA(M) (M)->c.dregs /* easy access to data and address regs */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	258 #define REG_D(M) (M)->c.dregs
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	259 #define REG_A(M) (M)->c.aregs
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	260 #define REG_PPC(M) (M)->ppc
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	261 #define REG_PC(M) (M)->pc
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	262 #define REG_USP(M) (M)->c.aregs[8]
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	263 #define REG_ISP(M) (M)->c.aregs[7]
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	264 #define REG_MSP(M) (M)->c.aregs[7]
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	265 #define REG_SP(M) (M)->c.aregs[7]
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	266
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	267
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	268
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	269 /* ----------------------------- Configuration ---------------------------- */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	270
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	271 /* These defines are dependant on the configuration defines in m68kconf.h */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	272
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	273 /* Disable certain comparisons if we're not using all CPU types */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	274 #define CPU_TYPE_IS_COLDFIRE(A) ((A) & (CPU_TYPE_COLDFIRE))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	275
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	276 #define CPU_TYPE_IS_040_PLUS(A) ((A) & (CPU_TYPE_040 \| CPU_TYPE_EC040))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	277 #define CPU_TYPE_IS_040_LESS(A) 1
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	278
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	279 #define CPU_TYPE_IS_030_PLUS(A) ((A) & (CPU_TYPE_030 \| CPU_TYPE_EC030 \| CPU_TYPE_040 \| CPU_TYPE_EC040))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	280 #define CPU_TYPE_IS_030_LESS(A) 1
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	281
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	282 #define CPU_TYPE_IS_020_PLUS(A) ((A) & (CPU_TYPE_020 \| CPU_TYPE_030 \| CPU_TYPE_EC030 \| CPU_TYPE_040 \| CPU_TYPE_EC040 \| CPU_TYPE_FSCPU32 \| CPU_TYPE_COLDFIRE))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	283 #define CPU_TYPE_IS_020_LESS(A) 1
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	284
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	285 #define CPU_TYPE_IS_020_VARIANT(A) ((A) & (CPU_TYPE_EC020 \| CPU_TYPE_020 \| CPU_TYPE_FSCPU32))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	286
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	287 #define CPU_TYPE_IS_EC020_PLUS(A) ((A) & (CPU_TYPE_EC020 \| CPU_TYPE_020 \| CPU_TYPE_030 \| CPU_TYPE_EC030 \| CPU_TYPE_040 \| CPU_TYPE_EC040 \| CPU_TYPE_FSCPU32 \| CPU_TYPE_COLDFIRE))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	288 #define CPU_TYPE_IS_EC020_LESS(A) ((A) & (CPU_TYPE_000 \| CPU_TYPE_008 \| CPU_TYPE_010 \| CPU_TYPE_EC020))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	289
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	290 #define CPU_TYPE_IS_010(A) ((A) == CPU_TYPE_010)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	291 #define CPU_TYPE_IS_010_PLUS(A) ((A) & (CPU_TYPE_010 \| CPU_TYPE_EC020 \| CPU_TYPE_020 \| CPU_TYPE_EC030 \| CPU_TYPE_030 \| CPU_TYPE_040 \| CPU_TYPE_EC040 \| CPU_TYPE_FSCPU32 \| CPU_TYPE_COLDFIRE))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	292 #define CPU_TYPE_IS_010_LESS(A) ((A) & (CPU_TYPE_000 \| CPU_TYPE_008 \| CPU_TYPE_010))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	293
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	294 #define CPU_TYPE_IS_000(A) ((A) == CPU_TYPE_000 \|\| (A) == CPU_TYPE_008)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	295
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	296
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	297 /* -------------------------- EA / Operand Access ------------------------- */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	298
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	299 /*
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	300 * The general instruction format follows this pattern:
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	301 * .... XXX. .... .YYY
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	302 * where XXX is register X and YYY is register Y
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	303 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	304 /* Data Register Isolation */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	305 #define DX(M) (REG_D(M)[((M)->ir >> 9) & 7])
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	306 #define DY(M) (REG_D(M)[(M)->ir & 7])
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	307 /* Address Register Isolation */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	308 #define AX(M) (REG_A(M)[((M)->ir >> 9) & 7])
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	309 #define AY(M) (REG_A(M)[(M)->ir & 7])
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	310
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	311
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	312 /* Effective Address Calculations */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	313 #define EA_AY_AI_8(M) AY(M) /* address register indirect */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	314 #define EA_AY_AI_16(M) EA_AY_AI_8(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	315 #define EA_AY_AI_32(M) EA_AY_AI_8(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	316 #define EA_AY_PI_8(M) (AY(M)++) /* postincrement (size = byte) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	317 #define EA_AY_PI_16(M) ((AY(M)+=2)-2) /* postincrement (size = word) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	318 #define EA_AY_PI_32(M) ((AY(M)+=4)-4) /* postincrement (size = long) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	319 #define EA_AY_PD_8(M) (--AY(M)) /* predecrement (size = byte) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	320 #define EA_AY_PD_16(M) (AY(M)-=2) /* predecrement (size = word) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	321 #define EA_AY_PD_32(M) (AY(M)-=4) /* predecrement (size = long) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	322 #define EA_AY_DI_8(M) (AY(M)+MAKE_INT_16(m68ki_read_imm_16(M))) /* displacement */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	323 #define EA_AY_DI_16(M) EA_AY_DI_8(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	324 #define EA_AY_DI_32(M) EA_AY_DI_8(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	325 #define EA_AY_IX_8(M) m68ki_get_ea_ix(M, AY(M)) /* indirect + index */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	326 #define EA_AY_IX_16(M) EA_AY_IX_8(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	327 #define EA_AY_IX_32(M) EA_AY_IX_8(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	328
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	329 #define EA_AX_AI_8(M) AX(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	330 #define EA_AX_AI_16(M) EA_AX_AI_8(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	331 #define EA_AX_AI_32(M) EA_AX_AI_8(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	332 #define EA_AX_PI_8(M) (AX(M)++)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	333 #define EA_AX_PI_16(M) ((AX(M)+=2)-2)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	334 #define EA_AX_PI_32(M) ((AX(M)+=4)-4)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	335 #define EA_AX_PD_8(M) (--AX(M))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	336 #define EA_AX_PD_16(M) (AX(M)-=2)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	337 #define EA_AX_PD_32(M) (AX(M)-=4)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	338 #define EA_AX_DI_8(M) (AX(M)+MAKE_INT_16(m68ki_read_imm_16(M)))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	339 #define EA_AX_DI_16(M) EA_AX_DI_8(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	340 #define EA_AX_DI_32(M) EA_AX_DI_8(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	341 #define EA_AX_IX_8(M) m68ki_get_ea_ix(M, AX(M))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	342 #define EA_AX_IX_16(M) EA_AX_IX_8(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	343 #define EA_AX_IX_32(M) EA_AX_IX_8(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	344
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	345 #define EA_A7_PI_8(m68k) ((REG_A(m68k)[7]+=2)-2)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	346 #define EA_A7_PD_8(m68k) (REG_A(m68k)[7]-=2)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	347
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	348 #define EA_AW_8(m68k) MAKE_INT_16(m68ki_read_imm_16(m68k)) /* absolute word */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	349 #define EA_AW_16(m68k) EA_AW_8(m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	350 #define EA_AW_32(m68k) EA_AW_8(m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	351 #define EA_AL_8(m68k) m68ki_read_imm_32(m68k) /* absolute long */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	352 #define EA_AL_16(m68k) EA_AL_8(m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	353 #define EA_AL_32(m68k) EA_AL_8(m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	354 #define EA_PCDI_8(m68k) m68ki_get_ea_pcdi(m68k) /* pc indirect + displacement */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	355 #define EA_PCDI_16(m68k) EA_PCDI_8(m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	356 #define EA_PCDI_32(m68k) EA_PCDI_8(m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	357 #define EA_PCIX_8(m68k) m68ki_get_ea_pcix(m68k) /* pc indirect + index */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	358 #define EA_PCIX_16(m68k) EA_PCIX_8(m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	359 #define EA_PCIX_32(m68k) EA_PCIX_8(m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	360
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	361
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	362 #define OPER_I_8(m68k) m68ki_read_imm_8(m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	363 #define OPER_I_16(m68k) m68ki_read_imm_16(m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	364 #define OPER_I_32(m68k) m68ki_read_imm_32(m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	365
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	366
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	367
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	368 /* --------------------------- Status Register ---------------------------- */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	369
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	370 /* Flag Calculation Macros */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	371 #define CFLAG_8(A) (A)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	372 #define CFLAG_16(A) ((A)>>8)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	373
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	374 #define CFLAG_ADD_32(S, D, R) (((S & D) \| (~R & (S \| D)))>>23)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	375 #define CFLAG_SUB_32(S, D, R) (((S & R) \| (~D & (S \| R)))>>23)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	376
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	377 #define VFLAG_ADD_8(S, D, R) ((S^R) & (D^R))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	378 #define VFLAG_ADD_16(S, D, R) (((S^R) & (D^R))>>8)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	379 #define VFLAG_ADD_32(S, D, R) (((S^R) & (D^R))>>24)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	380
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	381 #define VFLAG_SUB_8(S, D, R) ((S^D) & (R^D))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	382 #define VFLAG_SUB_16(S, D, R) (((S^D) & (R^D))>>8)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	383 #define VFLAG_SUB_32(S, D, R) (((S^D) & (R^D))>>24)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	384
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	385 #define NFLAG_8(A) (A)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	386 #define NFLAG_16(A) ((A)>>8)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	387 #define NFLAG_32(A) ((A)>>24)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	388 #define NFLAG_64(A) ((A)>>56)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	389
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	390 #define ZFLAG_8(A) MASK_OUT_ABOVE_8(A)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	391 #define ZFLAG_16(A) MASK_OUT_ABOVE_16(A)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	392 #define ZFLAG_32(A) MASK_OUT_ABOVE_32(A)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	393
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	394
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	395 /* Flag values */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	396 #define NFLAG_SET 0x80
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	397 #define NFLAG_CLEAR 0
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	398 #define CFLAG_SET 0x100
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	399 #define CFLAG_CLEAR 0
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	400 #define XFLAG_SET 0x100
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	401 #define XFLAG_CLEAR 0
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	402 #define VFLAG_SET 0x80
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	403 #define VFLAG_CLEAR 0
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	404 #define ZFLAG_SET 0
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	405 #define ZFLAG_CLEAR 0xffffffff
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	406
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	407 #define SFLAG_SET 4
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	408 #define SFLAG_CLEAR 0
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	409 #define MFLAG_SET 2
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	410 #define MFLAG_CLEAR 0
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	411
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	412 /* Turn flag values into 1 or 0 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	413 #define XFLAG_AS_1(M) (((M)->x_flag>>8)&1)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	414 #define NFLAG_AS_1(M) (((M)->n_flag>>7)&1)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	415 #define VFLAG_AS_1(M) (((M)->v_flag>>7)&1)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	416 #define ZFLAG_AS_1(M) (!(M)->not_z_flag)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	417 #define CFLAG_AS_1(M) (((M)->c_flag>>8)&1)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	418
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	419
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	420 /* Conditions */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	421 #define COND_CS(M) ((M)->c_flag&0x100)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	422 #define COND_CC(M) (!COND_CS(M))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	423 #define COND_VS(M) ((M)->v_flag&0x80)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	424 #define COND_VC(M) (!COND_VS(M))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	425 #define COND_NE(M) (M)->not_z_flag
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	426 #define COND_EQ(M) (!COND_NE(M))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	427 #define COND_MI(M) ((M)->n_flag&0x80)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	428 #define COND_PL(M) (!COND_MI(M))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	429 #define COND_LT(M) (((M)->n_flag^(M)->v_flag)&0x80)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	430 #define COND_GE(M) (!COND_LT(M))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	431 #define COND_HI(M) (COND_CC(M) && COND_NE(M))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	432 #define COND_LS(M) (COND_CS(M) \|\| COND_EQ(M))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	433 #define COND_GT(M) (COND_GE(M) && COND_NE(M))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	434 #define COND_LE(M) (COND_LT(M) \|\| COND_EQ(M))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	435
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	436 /* Reversed conditions */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	437 #define COND_NOT_CS(M) COND_CC(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	438 #define COND_NOT_CC(M) COND_CS(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	439 #define COND_NOT_VS(M) COND_VC(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	440 #define COND_NOT_VC(M) COND_VS(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	441 #define COND_NOT_NE(M) COND_EQ(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	442 #define COND_NOT_EQ(M) COND_NE(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	443 #define COND_NOT_MI(M) COND_PL(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	444 #define COND_NOT_PL(M) COND_MI(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	445 #define COND_NOT_LT(M) COND_GE(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	446 #define COND_NOT_GE(M) COND_LT(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	447 #define COND_NOT_HI(M) COND_LS(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	448 #define COND_NOT_LS(M) COND_HI(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	449 #define COND_NOT_GT(M) COND_LE(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	450 #define COND_NOT_LE(M) COND_GT(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	451
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	452 /* Not real conditions, but here for convenience */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	453 #define COND_XS(M) ((M)->x_flag&0x100)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	454 #define COND_XC(M) (!COND_XS)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	455
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	456
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	457 /* Get the condition code register */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	458 #define m68ki_get_ccr(M) ((COND_XS(M) >> 4) \| \
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	459 (COND_MI(M) >> 4) \| \
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	460 (COND_EQ(M) << 2) \| \
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	461 (COND_VS(M) >> 6) \| \
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	462 (COND_CS(M) >> 8))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	463
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	464 /* Get the status register */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	465 #define m68ki_get_sr(M) (/(M)->t1_flag \|/ \
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	466 /(M)->t0_flag \|/ \
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	467 ((M)->s_flag << 11) \| \
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	468 ((M)->m_flag << 11) \| \
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	469 (M)->int_mask \| \
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	470 m68ki_get_ccr(M))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	471
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	472
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	473
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	474 /* ----------------------------- Read / Write ----------------------------- */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	475
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	476 /* Read from the current address space */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	477 uint8_t m68ki_read_8(m68000_base_device *m68k, uint32_t address);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	478 uint16_t m68ki_read_16(m68000_base_device *m68k, uint32_t address);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	479 static inline uint32_t m68ki_read_32(m68000_base_device *m68k, uint32_t address)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	480 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	481 return m68ki_read_16(m68k, address) << 16 \| m68ki_read_16(m68k, address+2);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	482 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	483 /*#define m68ki_read_8(M, A) m68ki_read_8_fc (M, A, (M)->s_flag \| FUNCTION_CODE_USER_DATA)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	484 #define m68ki_read_16(M, A) m68ki_read_16_fc(M, A, (M)->s_flag \| FUNCTION_CODE_USER_DATA)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	485 #define m68ki_read_32(M, A) m68ki_read_32_fc(M, A, (M)->s_flag \| FUNCTION_CODE_USER_DATA)*/
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	486
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	487 /* Write to the current data space */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	488 void m68ki_write_8(m68000_base_device *m68k, uint32_t address, uint8_t value);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	489 void m68ki_write_16(m68000_base_device *m68k, uint32_t address, uint16_t value);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	490 static inline void m68ki_write_32(m68000_base_device *m68k, uint32_t address, uint32_t value)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	491 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	492 m68ki_write_16(m68k, address, value >> 16);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	493 m68ki_write_16(m68k, address+2, value);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	494 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	495 /*
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	496 #define m68ki_write_8(M, A, V) m68ki_write_8_fc (M, A, (M)->s_flag \| FUNCTION_CODE_USER_DATA, V)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	497 #define m68ki_write_16(M, A, V) m68ki_write_16_fc(M, A, (M)->s_flag \| FUNCTION_CODE_USER_DATA, V)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	498 #define m68ki_write_32(M, A, V) m68ki_write_32_fc(M, A, (M)->s_flag \| FUNCTION_CODE_USER_DATA, V)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	499 #define m68ki_write_32_pd(M, A, V) m68ki_write_32_pd_fc(M, A, (M)->s_flag \| FUNCTION_CODE_USER_DATA, V)*/
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	500
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	501 /* map read immediate 8 to read immediate 16 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	502 #define m68ki_read_imm_8(M) MASK_OUT_ABOVE_8(m68ki_read_imm_16(M))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	503
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	504
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	505 /* ======================================================================== */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	506 /* =============================== PROTOTYPES ============================= */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	507 /* ======================================================================== */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	508
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	509 union fp_reg
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	510 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	511 uint64_t i;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	512 double f;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	513 };
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	514
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	515 void m68ki_exception_interrupt(m68000_base_device *m68k, uint32_t int_level);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	516
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	517
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	518 extern const uint8_t m68ki_shift_8_table[];
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	519 extern const uint16_t m68ki_shift_16_table[];
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	520 extern const uint32_t m68ki_shift_32_table[];
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	521 extern const uint8_t m68ki_exception_cycle_table[][256];
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	522 extern const uint8_t m68ki_ea_idx_cycle_table[];
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	523
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	524 /* Read data immediately after the program counter */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	525 static inline uint32_t m68ki_read_imm_16(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	526 static inline uint32_t m68ki_read_imm_32(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	527
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	528 /* Write data with specific function code */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	529 static inline void m68ki_write_8_fc (m68000_base_device *m68k, uint32_t address, uint32_t fc, uint32_t value);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	530 static inline void m68ki_write_16_fc(m68000_base_device *m68k, uint32_t address, uint32_t fc, uint32_t value);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	531 static inline void m68ki_write_32_fc(m68000_base_device *m68k, uint32_t address, uint32_t fc, uint32_t value);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	532
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	533 /* Indexed and PC-relative ea fetching */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	534 static inline uint32_t m68ki_get_ea_pcdi(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	535 static inline uint32_t m68ki_get_ea_pcix(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	536 static inline uint32_t m68ki_get_ea_ix(m68000_base_device *m68k, uint32_t An);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	537
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	538 /* Operand fetching */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	539 static inline uint32_t OPER_AY_AI_8(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	540 static inline uint32_t OPER_AY_AI_16(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	541 static inline uint32_t OPER_AY_AI_32(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	542 static inline uint32_t OPER_AY_PI_8(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	543 static inline uint32_t OPER_AY_PI_16(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	544 static inline uint32_t OPER_AY_PI_32(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	545 static inline uint32_t OPER_AY_PD_8(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	546 static inline uint32_t OPER_AY_PD_16(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	547 static inline uint32_t OPER_AY_PD_32(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	548 static inline uint32_t OPER_AY_DI_8(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	549 static inline uint32_t OPER_AY_DI_16(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	550 static inline uint32_t OPER_AY_DI_32(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	551 static inline uint32_t OPER_AY_IX_8(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	552 static inline uint32_t OPER_AY_IX_16(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	553 static inline uint32_t OPER_AY_IX_32(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	554
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	555 static inline uint32_t OPER_AX_AI_8(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	556 static inline uint32_t OPER_AX_AI_16(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	557 static inline uint32_t OPER_AX_AI_32(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	558 static inline uint32_t OPER_AX_PI_8(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	559 static inline uint32_t OPER_AX_PI_16(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	560 static inline uint32_t OPER_AX_PI_32(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	561 static inline uint32_t OPER_AX_PD_8(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	562 static inline uint32_t OPER_AX_PD_16(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	563 static inline uint32_t OPER_AX_PD_32(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	564 static inline uint32_t OPER_AX_DI_8(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	565 static inline uint32_t OPER_AX_DI_16(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	566 static inline uint32_t OPER_AX_DI_32(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	567 static inline uint32_t OPER_AX_IX_8(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	568 static inline uint32_t OPER_AX_IX_16(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	569 static inline uint32_t OPER_AX_IX_32(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	570
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	571 static inline uint32_t OPER_A7_PI_8(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	572 static inline uint32_t OPER_A7_PD_8(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	573
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	574 static inline uint32_t OPER_AW_8(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	575 static inline uint32_t OPER_AW_16(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	576 static inline uint32_t OPER_AW_32(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	577 static inline uint32_t OPER_AL_8(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	578 static inline uint32_t OPER_AL_16(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	579 static inline uint32_t OPER_AL_32(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	580 static inline uint32_t OPER_PCDI_8(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	581 static inline uint32_t OPER_PCDI_16(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	582 static inline uint32_t OPER_PCDI_32(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	583 static inline uint32_t OPER_PCIX_8(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	584 static inline uint32_t OPER_PCIX_16(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	585 static inline uint32_t OPER_PCIX_32(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	586
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	587 /* Stack operations */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	588 static inline void m68ki_push_16(m68000_base_device *m68k, uint32_t value);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	589 static inline void m68ki_push_32(m68000_base_device *m68k, uint32_t value);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	590 static inline uint32_t m68ki_pull_16(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	591 static inline uint32_t m68ki_pull_32(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	592
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	593 /* Program flow operations */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	594 static inline void m68ki_jump(m68000_base_device *m68k, uint32_t new_pc);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	595 static inline void m68ki_jump_vector(m68000_base_device *m68k, uint32_t vector);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	596 static inline void m68ki_branch_8(m68000_base_device *m68k, uint32_t offset);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	597 static inline void m68ki_branch_16(m68000_base_device *m68k, uint32_t offset);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	598 static inline void m68ki_branch_32(m68000_base_device *m68k, uint32_t offset);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	599
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	600 /* Status register operations. */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	601 static inline void m68ki_set_s_flag(m68000_base_device m68k, uint32_t value); / Only bit 2 of value should be set (i.e. 4 or 0) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	602 static inline void m68ki_set_sm_flag(m68000_base_device m68k, uint32_t value); / only bits 1 and 2 of value should be set */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	603 static inline void m68ki_set_ccr(m68000_base_device m68k, uint32_t value); / set the condition code register */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	604 static inline void m68ki_set_sr(m68000_base_device m68k, uint32_t value); / set the status register */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	605 static inline void m68ki_set_sr_noint(m68000_base_device m68k, uint32_t value); / set the status register */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	606
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	607 /* Exception processing */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	608 static inline uint32_t m68ki_init_exception(m68000_base_device m68k); / Initial exception processing */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	609
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	610 static inline void m68ki_stack_frame_3word(m68000_base_device m68k, uint32_t pc, uint32_t sr); / Stack various frame types */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	611 static inline void m68ki_stack_frame_buserr(m68000_base_device *m68k, uint32_t sr);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	612
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	613 static inline void m68ki_stack_frame_0000(m68000_base_device *m68k, uint32_t pc, uint32_t sr, uint32_t vector);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	614 static inline void m68ki_stack_frame_0001(m68000_base_device *m68k, uint32_t pc, uint32_t sr, uint32_t vector);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	615 static inline void m68ki_stack_frame_0010(m68000_base_device *m68k, uint32_t sr, uint32_t vector);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	616 static inline void m68ki_stack_frame_1000(m68000_base_device *m68k, uint32_t pc, uint32_t sr, uint32_t vector);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	617 static inline void m68ki_stack_frame_1010(m68000_base_device *m68k, uint32_t sr, uint32_t vector, uint32_t pc, uint32_t fault_address);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	618 static inline void m68ki_stack_frame_1011(m68000_base_device *m68k, uint32_t sr, uint32_t vector, uint32_t pc, uint32_t fault_address);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	619 static inline void m68ki_stack_frame_0111(m68000_base_device *m68k, uint32_t sr, uint32_t vector, uint32_t pc, uint32_t fault_address, uint8_t in_mmu);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	620
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	621 static inline void m68ki_exception_trap(m68000_base_device *m68k, uint32_t vector);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	622 static inline void m68ki_exception_trapN(m68000_base_device *m68k, uint32_t vector);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	623 static inline void m68ki_exception_trace(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	624 static inline void m68ki_exception_privilege_violation(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	625 static inline void m68ki_exception_1010(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	626 static inline void m68ki_exception_1111(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	627 static inline void m68ki_exception_illegal(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	628 static inline void m68ki_exception_format_error(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	629 static inline void m68ki_exception_address_error(m68000_base_device *m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	630
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	631 static inline void m68ki_check_interrupts(m68000_base_device m68k); / ASG: check for interrupts */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	632
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	633 /* quick disassembly (used for logging) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	634 char* m68ki_disassemble_quick(unsigned int pc, unsigned int cpu_type);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	635
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	636 void m68k_cpu_execute(m68000_base_device *this);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	637 void m68k_reset_cpu(m68000_base_device *this);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	638 void m68k_init_cpu_m68000(m68000_base_device *this);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	639
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	640 #define m68ki_trace_t0(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	641 #define m68ki_trace_t1(M)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	642
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	643
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	644 /* ======================================================================== */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	645 /* =========================== UTILITY FUNCTIONS ========================== */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	646 /* ======================================================================== */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	647
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	648
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	649 /* Special call to simulate undocumented 68k behavior when move.l with a
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	650 * predecrement destination mode is executed.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	651 * A real 68k first writes the high word to [address+2], and then writes the
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	652 * low word to [address].
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	653 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	654 static inline void m68kx_write_memory_32_pd(m68000_base_device *m68k, unsigned int address, unsigned int value)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	655 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	656 m68ki_write_16(m68k, address, value);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	657 m68ki_write_16(m68k, address, value >> 16);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	658 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	659
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	660
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	661 /* ---------------------------- Read Immediate ---------------------------- */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	662
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	663
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	664 /* Handles all immediate reads, does address error check, function code setting,
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	665 * and prefetching if they are enabled in m68kconf.h
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	666 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	667 static inline uint32_t m68ki_read_imm_16(m68000_base_device *m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	668 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	669 uint32_t result;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	670
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	671 if(REG_PC(m68k) != m68k->pref_addr)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	672 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	673 m68k->pref_data = m68ki_read_16(m68k, REG_PC(m68k));
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	674 m68k->pref_addr = REG_PC(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	675 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	676 result = MASK_OUT_ABOVE_16(m68k->pref_data);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	677 REG_PC(m68k) += 2;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	678
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	679 return result;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	680 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	681
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	682 static inline uint32_t m68ki_read_imm_32(m68000_base_device *m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	683 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	684 uint32_t temp_val;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	685 if(REG_PC(m68k) != m68k->pref_addr)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	686 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	687 m68k->pref_addr = REG_PC(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	688 m68k->pref_data = m68ki_read_16(m68k, m68k->pref_addr);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	689 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	690 temp_val = MASK_OUT_ABOVE_16(m68k->pref_data);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	691 REG_PC(m68k) += 2;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	692 m68k->pref_addr = REG_PC(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	693 m68k->pref_data = m68ki_read_16(m68k, m68k->pref_addr);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	694
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	695 temp_val = MASK_OUT_ABOVE_32((temp_val << 16) \| MASK_OUT_ABOVE_16(m68k->pref_data));
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	696 REG_PC(m68k) += 2;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	697 m68k->pref_data = m68ki_read_16(m68k, REG_PC(m68k));
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	698 m68k->pref_addr = REG_PC(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	699
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	700 return temp_val;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	701 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	702
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	703
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	704 /* --------------------- Effective Address Calculation -------------------- */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	705
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	706 /* The program counter relative addressing modes cause operands to be
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	707 * retrieved from program space, not data space.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	708 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	709 static inline uint32_t m68ki_get_ea_pcdi(m68000_base_device *m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	710 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	711 uint32_t old_pc = REG_PC(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	712 return old_pc + MAKE_INT_16(m68ki_read_imm_16(m68k));
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	713 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	714
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	715
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	716 static inline uint32_t m68ki_get_ea_pcix(m68000_base_device *m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	717 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	718 return m68ki_get_ea_ix(m68k, REG_PC(m68k));
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	719 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	720
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	721 /* Indexed addressing modes are encoded as follows:
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	722 *
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	723 * Base instruction format:
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	724 * F E D C B A 9 8 7 6 \| 5 4 3 \| 2 1 0
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	725 * x x x x x x x x x x \| 1 1 0 \| BASE REGISTER (An)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	726 *
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	727 * Base instruction format for destination EA in move instructions:
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	728 * F E D C \| B A 9 \| 8 7 6 \| 5 4 3 2 1 0
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	729 * x x x x \| BASE REG \| 1 1 0 \| X X X X X X (An)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	730 *
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	731 * Brief extension format:
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	732 * F \| E D C \| B \| A 9 \| 8 \| 7 6 5 4 3 2 1 0
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	733 * D/A \| REGISTER \| W/L \| SCALE \| 0 \| DISPLACEMENT
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	734 *
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	735 * Full extension format:
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	736 * F E D C B A 9 8 7 6 5 4 3 2 1 0
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	737 * D/A \| REGISTER \| W/L \| SCALE \| 1 \| BS \| IS \| BD SIZE \| 0 \| I/IS
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	738 * BASE DISPLACEMENT (0, 16, 32 bit) (bd)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	739 * OUTER DISPLACEMENT (0, 16, 32 bit) (od)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	740 *
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	741 * D/A: 0 = Dn, 1 = An (Xn)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	742 * W/L: 0 = W (sign extend), 1 = L (.SIZE)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	743 * SCALE: 00=1, 01=2, 10=4, 11=8 (*SCALE)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	744 * BS: 0=add base reg, 1=suppress base reg (An suppressed)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	745 * IS: 0=add index, 1=suppress index (Xn suppressed)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	746 * BD SIZE: 00=reserved, 01=NULL, 10=Word, 11=Long (size of bd)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	747 *
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	748 * IS I/IS Operation
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	749 * 0 000 No Memory Indirect
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	750 * 0 001 indir prex with null outer
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	751 * 0 010 indir prex with word outer
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	752 * 0 011 indir prex with long outer
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	753 * 0 100 reserved
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	754 * 0 101 indir postx with null outer
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	755 * 0 110 indir postx with word outer
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	756 * 0 111 indir postx with long outer
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	757 * 1 000 no memory indirect
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	758 * 1 001 mem indir with null outer
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	759 * 1 010 mem indir with word outer
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	760 * 1 011 mem indir with long outer
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	761 * 1 100-111 reserved
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	762 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	763 static inline uint32_t m68ki_get_ea_ix(m68000_base_device *m68k, uint32_t An)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	764 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	765 /* An = base register */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	766 uint32_t extension = m68ki_read_imm_16(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	767 uint32_t Xn = 0; /* Index register */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	768 uint32_t bd = 0; /* Base Displacement */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	769 uint32_t od = 0; /* Outer Displacement */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	770
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	771 /* Calculate index */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	772 Xn = REG_DA(m68k)[extension>>12]; /* Xn */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	773 if(!BIT_B(extension)) /* W/L */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	774 Xn = MAKE_INT_16(Xn);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	775
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	776 /* Add base register and displacement and return */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	777 return An + Xn + MAKE_INT_8(extension);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	778 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	779
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	780
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	781 /* Fetch operands */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	782 static inline uint32_t OPER_AY_AI_8(m68000_base_device *m68k) {uint32_t ea = EA_AY_AI_8(m68k); return m68ki_read_8(m68k, ea); }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	783 static inline uint32_t OPER_AY_AI_16(m68000_base_device *m68k) {uint32_t ea = EA_AY_AI_16(m68k); return m68ki_read_16(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	784 static inline uint32_t OPER_AY_AI_32(m68000_base_device *m68k) {uint32_t ea = EA_AY_AI_32(m68k); return m68ki_read_32(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	785 static inline uint32_t OPER_AY_PI_8(m68000_base_device *m68k) {uint32_t ea = EA_AY_PI_8(m68k); return m68ki_read_8(m68k, ea); }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	786 static inline uint32_t OPER_AY_PI_16(m68000_base_device *m68k) {uint32_t ea = EA_AY_PI_16(m68k); return m68ki_read_16(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	787 static inline uint32_t OPER_AY_PI_32(m68000_base_device *m68k) {uint32_t ea = EA_AY_PI_32(m68k); return m68ki_read_32(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	788 static inline uint32_t OPER_AY_PD_8(m68000_base_device *m68k) {uint32_t ea = EA_AY_PD_8(m68k); return m68ki_read_8(m68k, ea); }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	789 static inline uint32_t OPER_AY_PD_16(m68000_base_device *m68k) {uint32_t ea = EA_AY_PD_16(m68k); return m68ki_read_16(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	790 static inline uint32_t OPER_AY_PD_32(m68000_base_device *m68k) {uint32_t ea = EA_AY_PD_32(m68k); return m68ki_read_32(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	791 static inline uint32_t OPER_AY_DI_8(m68000_base_device *m68k) {uint32_t ea = EA_AY_DI_8(m68k); return m68ki_read_8(m68k, ea); }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	792 static inline uint32_t OPER_AY_DI_16(m68000_base_device *m68k) {uint32_t ea = EA_AY_DI_16(m68k); return m68ki_read_16(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	793 static inline uint32_t OPER_AY_DI_32(m68000_base_device *m68k) {uint32_t ea = EA_AY_DI_32(m68k); return m68ki_read_32(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	794 static inline uint32_t OPER_AY_IX_8(m68000_base_device *m68k) {uint32_t ea = EA_AY_IX_8(m68k); return m68ki_read_8(m68k, ea); }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	795 static inline uint32_t OPER_AY_IX_16(m68000_base_device *m68k) {uint32_t ea = EA_AY_IX_16(m68k); return m68ki_read_16(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	796 static inline uint32_t OPER_AY_IX_32(m68000_base_device *m68k) {uint32_t ea = EA_AY_IX_32(m68k); return m68ki_read_32(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	797
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	798 static inline uint32_t OPER_AX_AI_8(m68000_base_device *m68k) {uint32_t ea = EA_AX_AI_8(m68k); return m68ki_read_8(m68k, ea); }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	799 static inline uint32_t OPER_AX_AI_16(m68000_base_device *m68k) {uint32_t ea = EA_AX_AI_16(m68k); return m68ki_read_16(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	800 static inline uint32_t OPER_AX_AI_32(m68000_base_device *m68k) {uint32_t ea = EA_AX_AI_32(m68k); return m68ki_read_32(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	801 static inline uint32_t OPER_AX_PI_8(m68000_base_device *m68k) {uint32_t ea = EA_AX_PI_8(m68k); return m68ki_read_8(m68k, ea); }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	802 static inline uint32_t OPER_AX_PI_16(m68000_base_device *m68k) {uint32_t ea = EA_AX_PI_16(m68k); return m68ki_read_16(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	803 static inline uint32_t OPER_AX_PI_32(m68000_base_device *m68k) {uint32_t ea = EA_AX_PI_32(m68k); return m68ki_read_32(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	804 static inline uint32_t OPER_AX_PD_8(m68000_base_device *m68k) {uint32_t ea = EA_AX_PD_8(m68k); return m68ki_read_8(m68k, ea); }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	805 static inline uint32_t OPER_AX_PD_16(m68000_base_device *m68k) {uint32_t ea = EA_AX_PD_16(m68k); return m68ki_read_16(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	806 static inline uint32_t OPER_AX_PD_32(m68000_base_device *m68k) {uint32_t ea = EA_AX_PD_32(m68k); return m68ki_read_32(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	807 static inline uint32_t OPER_AX_DI_8(m68000_base_device *m68k) {uint32_t ea = EA_AX_DI_8(m68k); return m68ki_read_8(m68k, ea); }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	808 static inline uint32_t OPER_AX_DI_16(m68000_base_device *m68k) {uint32_t ea = EA_AX_DI_16(m68k); return m68ki_read_16(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	809 static inline uint32_t OPER_AX_DI_32(m68000_base_device *m68k) {uint32_t ea = EA_AX_DI_32(m68k); return m68ki_read_32(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	810 static inline uint32_t OPER_AX_IX_8(m68000_base_device *m68k) {uint32_t ea = EA_AX_IX_8(m68k); return m68ki_read_8(m68k, ea); }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	811 static inline uint32_t OPER_AX_IX_16(m68000_base_device *m68k) {uint32_t ea = EA_AX_IX_16(m68k); return m68ki_read_16(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	812 static inline uint32_t OPER_AX_IX_32(m68000_base_device *m68k) {uint32_t ea = EA_AX_IX_32(m68k); return m68ki_read_32(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	813
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	814 static inline uint32_t OPER_A7_PI_8(m68000_base_device *m68k) {uint32_t ea = EA_A7_PI_8(m68k); return m68ki_read_8(m68k, ea); }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	815 static inline uint32_t OPER_A7_PD_8(m68000_base_device *m68k) {uint32_t ea = EA_A7_PD_8(m68k); return m68ki_read_8(m68k, ea); }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	816
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	817 static inline uint32_t OPER_AW_8(m68000_base_device *m68k) {uint32_t ea = EA_AW_8(m68k); return m68ki_read_8(m68k, ea); }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	818 static inline uint32_t OPER_AW_16(m68000_base_device *m68k) {uint32_t ea = EA_AW_16(m68k); return m68ki_read_16(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	819 static inline uint32_t OPER_AW_32(m68000_base_device *m68k) {uint32_t ea = EA_AW_32(m68k); return m68ki_read_32(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	820 static inline uint32_t OPER_AL_8(m68000_base_device *m68k) {uint32_t ea = EA_AL_8(m68k); return m68ki_read_8(m68k, ea); }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	821 static inline uint32_t OPER_AL_16(m68000_base_device *m68k) {uint32_t ea = EA_AL_16(m68k); return m68ki_read_16(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	822 static inline uint32_t OPER_AL_32(m68000_base_device *m68k) {uint32_t ea = EA_AL_32(m68k); return m68ki_read_32(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	823 static inline uint32_t OPER_PCDI_8(m68000_base_device *m68k) {uint32_t ea = EA_PCDI_8(m68k); return m68ki_read_8(m68k, ea); }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	824 static inline uint32_t OPER_PCDI_16(m68000_base_device *m68k) {uint32_t ea = EA_PCDI_16(m68k); return m68ki_read_16(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	825 static inline uint32_t OPER_PCDI_32(m68000_base_device *m68k) {uint32_t ea = EA_PCDI_32(m68k); return m68ki_read_32(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	826 static inline uint32_t OPER_PCIX_8(m68000_base_device *m68k) {uint32_t ea = EA_PCIX_8(m68k); return m68ki_read_8(m68k, ea); }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	827 static inline uint32_t OPER_PCIX_16(m68000_base_device *m68k) {uint32_t ea = EA_PCIX_16(m68k); return m68ki_read_16(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	828 static inline uint32_t OPER_PCIX_32(m68000_base_device *m68k) {uint32_t ea = EA_PCIX_32(m68k); return m68ki_read_32(m68k, ea);}
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	829
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	830
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	831
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	832 /* ---------------------------- Stack Functions --------------------------- */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	833
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	834 /* Push/pull data from the stack */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	835 static inline void m68ki_push_16(m68000_base_device *m68k, uint32_t value)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	836 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	837 REG_SP(m68k) = MASK_OUT_ABOVE_32(REG_SP(m68k) - 2);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	838 m68ki_write_16(m68k, REG_SP(m68k), value);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	839 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	840
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	841 static inline void m68ki_push_32(m68000_base_device *m68k, uint32_t value)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	842 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	843 REG_SP(m68k) = MASK_OUT_ABOVE_32(REG_SP(m68k) - 4);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	844 m68ki_write_32(m68k, REG_SP(m68k), value);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	845 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	846
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	847 static inline uint32_t m68ki_pull_16(m68000_base_device *m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	848 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	849 REG_SP(m68k) = MASK_OUT_ABOVE_32(REG_SP(m68k) + 2);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	850 return m68ki_read_16(m68k, REG_SP(m68k)-2);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	851 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	852
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	853 static inline uint32_t m68ki_pull_32(m68000_base_device *m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	854 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	855 REG_SP(m68k) = MASK_OUT_ABOVE_32(REG_SP(m68k) + 4);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	856 return m68ki_read_32(m68k, REG_SP(m68k)-4);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	857 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	858
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	859
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	860 /* Increment/decrement the stack as if doing a push/pull but
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	861 * don't do any memory access.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	862 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	863 static inline void m68ki_fake_push_16(m68000_base_device *m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	864 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	865 REG_SP(m68k) = MASK_OUT_ABOVE_32(REG_SP(m68k) - 2);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	866 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	867
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	868 static inline void m68ki_fake_push_32(m68000_base_device *m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	869 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	870 REG_SP(m68k) = MASK_OUT_ABOVE_32(REG_SP(m68k) - 4);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	871 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	872
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	873 static inline void m68ki_fake_pull_16(m68000_base_device *m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	874 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	875 REG_SP(m68k) = MASK_OUT_ABOVE_32(REG_SP(m68k) + 2);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	876 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	877
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	878 static inline void m68ki_fake_pull_32(m68000_base_device *m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	879 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	880 REG_SP(m68k) = MASK_OUT_ABOVE_32(REG_SP(m68k) + 4);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	881 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	882
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	883
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	884 /* ----------------------------- Program Flow ----------------------------- */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	885
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	886 /* Jump to a new program location or vector.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	887 * These functions will also call the pc_changed callback if it was enabled
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	888 * in m68kconf.h.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	889 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	890 static inline void m68ki_jump(m68000_base_device *m68k, uint32_t new_pc)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	891 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	892 REG_PC(m68k) = new_pc;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	893 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	894
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	895 static inline void m68ki_jump_vector(m68000_base_device *m68k, uint32_t vector)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	896 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	897 REG_PC(m68k) = (vector<<2);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	898 REG_PC(m68k) = m68ki_read_32(m68k, REG_PC(m68k));
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	899 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	900
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	901
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	902 /* Branch to a new memory location.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	903 * The 32-bit branch will call pc_changed if it was enabled in m68kconf.h.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	904 * So far I've found no problems with not calling pc_changed for 8 or 16
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	905 * bit branches.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	906 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	907 static inline void m68ki_branch_8(m68000_base_device *m68k, uint32_t offset)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	908 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	909 REG_PC(m68k) += MAKE_INT_8(offset);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	910 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	911
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	912 static inline void m68ki_branch_16(m68000_base_device *m68k, uint32_t offset)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	913 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	914 REG_PC(m68k) += MAKE_INT_16(offset);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	915 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	916
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	917 static inline void m68ki_branch_32(m68000_base_device *m68k, uint32_t offset)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	918 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	919 REG_PC(m68k) += offset;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	920 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	921
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	922
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	923
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	924 /* ---------------------------- Status Register --------------------------- */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	925
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	926 /* Set the S flag and change the active stack pointer.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	927 * Note that value MUST be 4 or 0.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	928 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	929 static inline void m68ki_set_s_flag(m68000_base_device *m68k, uint32_t value)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	930 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	931 /* Backup the old stack pointer */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	932 uint32_t old = REG_SP(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	933 //REG_SP_BASE(m68k)[m68k->s_flag \| ((m68k->s_flag>>1) & m68k->m_flag)] = REG_SP(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	934 /* Set the S flag */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	935 if (value != m68k->s_flag) {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	936 m68k->s_flag = value;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	937 /* Set the new stack pointer */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	938 REG_SP(m68k) = REG_USP(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	939 REG_USP(m68k) = old;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	940 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	941 //REG_SP(m68k) = REG_SP_BASE(m68k)[m68k->s_flag \| ((m68k->s_flag>>1) & m68k->m_flag)];
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	942 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	943
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	944 /* Set the S and M flags and change the active stack pointer.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	945 * Note that value MUST be 0, 2, 4, or 6 (bit2 = S, bit1 = M).
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	946 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	947 static inline void m68ki_set_sm_flag(m68000_base_device *m68k, uint32_t value)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	948 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	949 m68ki_set_s_flag(m68k, value & 4);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	950 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	951
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	952 /* Set the S and M flags. Don't touch the stack pointer. */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	953 static inline void m68ki_set_sm_flag_nosp(m68000_base_device *m68k, uint32_t value)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	954 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	955 /* Set the S and M flags */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	956 m68k->s_flag = value & SFLAG_SET;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	957 //m68k->m_flag = value & MFLAG_SET;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	958 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	959
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	960
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	961 /* Set the condition code register */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	962 static inline void m68ki_set_ccr(m68000_base_device *m68k, uint32_t value)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	963 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	964 m68k->x_flag = BIT_4(value) << 4;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	965 m68k->n_flag = BIT_3(value) << 4;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	966 m68k->not_z_flag = !BIT_2(value);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	967 m68k->v_flag = BIT_1(value) << 6;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	968 m68k->c_flag = BIT_0(value) << 8;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	969 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	970
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	971 /* Set the status register but don't check for interrupts */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	972 static inline void m68ki_set_sr_noint(m68000_base_device *m68k, uint32_t value)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	973 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	974 /* Mask out the "unimplemented" bits */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	975 value &= m68k->sr_mask;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	976
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	977 /* Now set the status register */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	978 /* m68k->t1_flag = BIT_F(value);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	979 m68k->t0_flag = BIT_E(value);*/
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	980 m68k->int_mask = value & 0x0700;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	981 m68k->c.target_cycle = m68k->c.current_cycle;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	982 m68ki_set_ccr(m68k, value);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	983 m68ki_set_sm_flag(m68k, (value >> 11) & 6);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	984 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	985
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	986 /* Set the status register but don't check for interrupts nor
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	987 * change the stack pointer
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	988 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	989 static inline void m68ki_set_sr_noint_nosp(m68000_base_device *m68k, uint32_t value)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	990 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	991 /* Mask out the "unimplemented" bits */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	992 value &= m68k->sr_mask;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	993
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	994 /* Now set the status register */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	995 /*m68k->t1_flag = BIT_F(value);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	996 m68k->t0_flag = BIT_E(value);*/
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	997 m68k->int_mask = value & 0x0700;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	998 m68k->c.target_cycle = m68k->c.current_cycle;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	999 m68ki_set_ccr(m68k, value);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1000 m68ki_set_sm_flag_nosp(m68k, (value >> 11) & 6);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1001 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1002
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1003 /* Set the status register and check for interrupts */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1004 static inline void m68ki_set_sr(m68000_base_device *m68k, uint32_t value)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1005 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1006 m68ki_set_sr_noint(m68k, value);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1007 m68ki_check_interrupts(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1008 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1009
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1010
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1011 /* ------------------------- Exception Processing ------------------------- */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1012
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1013 /* Initiate exception processing */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1014 static inline uint32_t m68ki_init_exception(m68000_base_device *m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1015 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1016 /* Save the old status register */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1017 uint32_t sr = m68ki_get_sr(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1018
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1019 /* Turn off trace flag, clear pending traces */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1020 /*m68k->t1_flag = m68k->t0_flag = 0;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1021 m68ki_clear_trace(m68k);*/
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1022 /* Enter supervisor mode */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1023 m68ki_set_s_flag(m68k, SFLAG_SET);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1024
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1025 return sr;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1026 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1027
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1028 /* 3 word stack frame (68000 only) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1029 static inline void m68ki_stack_frame_3word(m68000_base_device *m68k, uint32_t pc, uint32_t sr)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1030 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1031 m68ki_push_32(m68k, pc);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1032 m68ki_push_16(m68k, sr);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1033 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1034
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1035 /* Format 0 stack frame.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1036 * This is the standard stack frame for 68010+.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1037 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1038 static inline void m68ki_stack_frame_0000(m68000_base_device *m68k, uint32_t pc, uint32_t sr, uint32_t vector)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1039 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1040 /* Stack a 3-word frame if we are 68000 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1041 if(m68k->cpu_type == CPU_TYPE_000 \|\| m68k->cpu_type == CPU_TYPE_008)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1042 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1043 m68ki_stack_frame_3word(m68k, pc, sr);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1044 return;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1045 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1046 m68ki_push_16(m68k, vector<<2);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1047 m68ki_push_32(m68k, pc);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1048 m68ki_push_16(m68k, sr);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1049 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1050
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1051 /* Format 1 stack frame (68020).
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1052 * For 68020, this is the 4 word throwaway frame.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1053 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1054 static inline void m68ki_stack_frame_0001(m68000_base_device *m68k, uint32_t pc, uint32_t sr, uint32_t vector)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1055 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1056 m68ki_push_16(m68k, 0x1000 \| (vector<<2));
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1057 m68ki_push_32(m68k, pc);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1058 m68ki_push_16(m68k, sr);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1059 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1060
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1061 /* Format 2 stack frame.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1062 * This is used only by 68020 for trap exceptions.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1063 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1064 static inline void m68ki_stack_frame_0010(m68000_base_device *m68k, uint32_t sr, uint32_t vector)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1065 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1066 m68ki_push_32(m68k, REG_PPC(m68k));
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1067 m68ki_push_16(m68k, 0x2000 \| (vector<<2));
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1068 m68ki_push_32(m68k, REG_PC(m68k));
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1069 m68ki_push_16(m68k, sr);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1070 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1071
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1072
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1073 /* Bus error stack frame (68000 only).
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1074 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1075 static inline void m68ki_stack_frame_buserr(m68000_base_device *m68k, uint32_t sr)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1076 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1077 m68ki_push_32(m68k, REG_PC(m68k));
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1078 m68ki_push_16(m68k, sr);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1079 m68ki_push_16(m68k, m68k->ir);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1080 m68ki_push_32(m68k, 0/m68k->aerr_address/); /* access address */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1081 /* 0 0 0 0 0 0 0 0 0 0 0 R/W I/N FC
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1082 * R/W 0 = write, 1 = read
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1083 * I/N 0 = instruction, 1 = not
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1084 * FC 3-bit function code
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1085 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1086 m68ki_push_16(m68k, 0/m68k->aerr_write_mode \| m68k->instr_mode \| m68k->aerr_fc/);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1087 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1088
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1089 /* Format 8 stack frame (68010).
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1090 * 68010 only. This is the 29 word bus/address error frame.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1091 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1092 static inline void m68ki_stack_frame_1000(m68000_base_device *m68k, uint32_t pc, uint32_t sr, uint32_t vector)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1093 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1094 /* VERSION
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1095 * NUMBER
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1096 * INTERNAL INFORMATION, 16 WORDS
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1097 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1098 m68ki_fake_push_32(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1099 m68ki_fake_push_32(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1100 m68ki_fake_push_32(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1101 m68ki_fake_push_32(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1102 m68ki_fake_push_32(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1103 m68ki_fake_push_32(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1104 m68ki_fake_push_32(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1105 m68ki_fake_push_32(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1106
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1107 /* INSTRUCTION INPUT BUFFER */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1108 m68ki_push_16(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1109
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1110 /* UNUSED, RESERVED (not written) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1111 m68ki_fake_push_16(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1112
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1113 /* DATA INPUT BUFFER */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1114 m68ki_push_16(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1115
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1116 /* UNUSED, RESERVED (not written) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1117 m68ki_fake_push_16(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1118
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1119 /* DATA OUTPUT BUFFER */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1120 m68ki_push_16(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1121
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1122 /* UNUSED, RESERVED (not written) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1123 m68ki_fake_push_16(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1124
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1125 /* FAULT ADDRESS */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1126 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1127
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1128 /* SPECIAL STATUS WORD */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1129 m68ki_push_16(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1130
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1131 /* 1000, VECTOR OFFSET */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1132 m68ki_push_16(m68k, 0x8000 \| (vector<<2));
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1133
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1134 /* PROGRAM COUNTER */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1135 m68ki_push_32(m68k, pc);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1136
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1137 /* STATUS REGISTER */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1138 m68ki_push_16(m68k, sr);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1139 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1140
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1141 /* Format A stack frame (short bus fault).
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1142 * This is used only by 68020 for bus fault and address error
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1143 * if the error happens at an instruction boundary.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1144 * PC stacked is address of next instruction.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1145 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1146 static inline void m68ki_stack_frame_1010(m68000_base_device *m68k, uint32_t sr, uint32_t vector, uint32_t pc, uint32_t fault_address)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1147 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1148 //int orig_rw = m68k->mmu_tmp_buserror_rw; // this gets splatted by the following pushes, so save it now
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1149 //int orig_fc = m68k->mmu_tmp_buserror_fc;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1150
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1151 /* INTERNAL REGISTER */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1152 m68ki_push_16(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1153
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1154 /* INTERNAL REGISTER */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1155 m68ki_push_16(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1156
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1157 /* DATA OUTPUT BUFFER (2 words) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1158 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1159
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1160 /* INTERNAL REGISTER */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1161 m68ki_push_16(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1162
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1163 /* INTERNAL REGISTER */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1164 m68ki_push_16(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1165
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1166 /* DATA CYCLE FAULT ADDRESS (2 words) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1167 m68ki_push_32(m68k, fault_address);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1168
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1169 /* INSTRUCTION PIPE STAGE B */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1170 m68ki_push_16(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1171
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1172 /* INSTRUCTION PIPE STAGE C */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1173 m68ki_push_16(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1174
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1175 /* SPECIAL STATUS REGISTER */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1176 // set bit for: Rerun Faulted bus Cycle, or run pending prefetch
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1177 // set FC
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1178 m68ki_push_16(m68k, 0x0100 /\| orig_fc \| orig_rw<<6/);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1179
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1180 /* INTERNAL REGISTER */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1181 m68ki_push_16(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1182
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1183 /* 1010, VECTOR OFFSET */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1184 m68ki_push_16(m68k, 0xa000 \| (vector<<2));
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1185
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1186 /* PROGRAM COUNTER */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1187 m68ki_push_32(m68k, pc);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1188
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1189 /* STATUS REGISTER */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1190 m68ki_push_16(m68k, sr);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1191 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1192
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1193 /* Format B stack frame (long bus fault).
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1194 * This is used only by 68020 for bus fault and address error
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1195 * if the error happens during instruction execution.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1196 * PC stacked is address of instruction in progress.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1197 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1198 static inline void m68ki_stack_frame_1011(m68000_base_device *m68k, uint32_t sr, uint32_t vector, uint32_t pc, uint32_t fault_address)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1199 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1200 /*int orig_rw = m68k->mmu_tmp_buserror_rw; // this gets splatted by the following pushes, so save it now
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1201 int orig_fc = m68k->mmu_tmp_buserror_fc;*/
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1202
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1203 /* INTERNAL REGISTERS (18 words) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1204 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1205 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1206 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1207 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1208 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1209 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1210 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1211 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1212 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1213
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1214 /* VERSION# (4 bits), INTERNAL INFORMATION */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1215 m68ki_push_16(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1216
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1217 /* INTERNAL REGISTERS (3 words) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1218 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1219 m68ki_push_16(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1220
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1221 /* DATA INTPUT BUFFER (2 words) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1222 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1223
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1224 /* INTERNAL REGISTERS (2 words) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1225 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1226
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1227 /* STAGE B ADDRESS (2 words) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1228 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1229
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1230 /* INTERNAL REGISTER (4 words) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1231 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1232 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1233
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1234 /* DATA OUTPUT BUFFER (2 words) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1235 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1236
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1237 /* INTERNAL REGISTER */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1238 m68ki_push_16(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1239
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1240 /* INTERNAL REGISTER */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1241 m68ki_push_16(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1242
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1243 /* DATA CYCLE FAULT ADDRESS (2 words) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1244 m68ki_push_32(m68k, fault_address);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1245
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1246 /* INSTRUCTION PIPE STAGE B */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1247 m68ki_push_16(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1248
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1249 /* INSTRUCTION PIPE STAGE C */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1250 m68ki_push_16(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1251
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1252 /* SPECIAL STATUS REGISTER */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1253 m68ki_push_16(m68k, 0x0100/* \| orig_fc \| orig_rw<<6*/);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1254
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1255 /* INTERNAL REGISTER */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1256 m68ki_push_16(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1257
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1258 /* 1011, VECTOR OFFSET */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1259 m68ki_push_16(m68k, 0xb000 \| (vector<<2));
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1260
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1261 /* PROGRAM COUNTER */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1262 m68ki_push_32(m68k, pc);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1263
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1264 /* STATUS REGISTER */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1265 m68ki_push_16(m68k, sr);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1266 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1267
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1268 /* Type 7 stack frame (access fault).
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1269 * This is used by the 68040 for bus fault and mmu trap
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1270 * 30 words
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1271 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1272 static inline void m68ki_stack_frame_0111(m68000_base_device *m68k, uint32_t sr, uint32_t vector, uint32_t pc, uint32_t fault_address, uint8_t in_mmu)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1273 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1274 /*int orig_rw = m68k->mmu_tmp_buserror_rw; // this gets splatted by the following pushes, so save it now
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1275 int orig_fc = m68k->mmu_tmp_buserror_fc;*/
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1276
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1277 /* INTERNAL REGISTERS (18 words) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1278 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1279 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1280 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1281 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1282 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1283 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1284 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1285 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1286 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1287
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1288 /* FAULT ADDRESS (2 words) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1289 m68ki_push_32(m68k, fault_address);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1290
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1291 /* INTERNAL REGISTERS (3 words) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1292 m68ki_push_32(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1293 m68ki_push_16(m68k, 0);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1294
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1295 /* SPECIAL STATUS REGISTER (1 word) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1296 m68ki_push_16(m68k, 0/(in_mmu ? 0x400 : 0) \| orig_fc \| (orig_rw<<8)/);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1297
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1298 /* EFFECTIVE ADDRESS (2 words) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1299 m68ki_push_32(m68k, fault_address);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1300
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1301 /* 0111, VECTOR OFFSET (1 word) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1302 m68ki_push_16(m68k, 0x7000 \| (vector<<2));
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1303
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1304 /* PROGRAM COUNTER (2 words) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1305 m68ki_push_32(m68k, pc);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1306
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1307 /* STATUS REGISTER (1 word) */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1308 m68ki_push_16(m68k, sr);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1309 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1310
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1311
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1312 /* Used for Group 2 exceptions.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1313 * These stack a type 2 frame on the 020.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1314 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1315 static inline void m68ki_exception_trap(m68000_base_device *m68k, uint32_t vector)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1316 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1317 uint32_t sr = m68ki_init_exception(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1318
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1319 if(CPU_TYPE_IS_010_LESS(m68k->cpu_type))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1320 m68ki_stack_frame_0000(m68k, REG_PC(m68k), sr, vector);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1321 else
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1322 m68ki_stack_frame_0010(m68k, sr, vector);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1323
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1324 m68ki_jump_vector(m68k, vector);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1325
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1326 /* Use up some clock cycles */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1327 m68k->c.current_cycle += m68k->cyc_exception[vector];
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1328 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1329
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1330 /* Trap#n stacks a 0 frame but behaves like group2 otherwise */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1331 static inline void m68ki_exception_trapN(m68000_base_device *m68k, uint32_t vector)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1332 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1333 uint32_t sr = m68ki_init_exception(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1334 m68ki_stack_frame_0000(m68k, REG_PC(m68k), sr, vector);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1335 m68ki_jump_vector(m68k, vector);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1336
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1337 /* Use up some clock cycles */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1338 m68k->c.current_cycle += m68k->cyc_exception[vector];
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1339 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1340
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1341 /* Exception for trace mode */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1342 static inline void m68ki_exception_trace(m68000_base_device *m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1343 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1344 uint32_t sr = m68ki_init_exception(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1345
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1346 if(CPU_TYPE_IS_010_LESS(m68k->cpu_type))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1347 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1348 if(CPU_TYPE_IS_000(m68k->cpu_type))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1349 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1350 m68k->instr_mode = INSTRUCTION_NO;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1351 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1352 m68ki_stack_frame_0000(m68k, REG_PC(m68k), sr, EXCEPTION_TRACE);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1353 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1354 else
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1355 m68ki_stack_frame_0010(m68k, sr, EXCEPTION_TRACE);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1356
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1357 m68ki_jump_vector(m68k, EXCEPTION_TRACE);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1358
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1359 /* Trace nullifies a STOP instruction */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1360 m68k->stopped &= ~STOP_LEVEL_STOP;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1361
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1362 /* Use up some clock cycles */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1363 m68k->c.current_cycle += m68k->cyc_exception[EXCEPTION_TRACE];
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1364 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1365
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1366 /* Exception for privilege violation */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1367 static inline void m68ki_exception_privilege_violation(m68000_base_device *m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1368 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1369 uint32_t sr = m68ki_init_exception(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1370
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1371 if(CPU_TYPE_IS_000(m68k->cpu_type))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1372 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1373 m68k->instr_mode = INSTRUCTION_NO;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1374 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1375
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1376 m68ki_stack_frame_0000(m68k, REG_PPC(m68k), sr, EXCEPTION_PRIVILEGE_VIOLATION);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1377 m68ki_jump_vector(m68k, EXCEPTION_PRIVILEGE_VIOLATION);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1378
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1379 /* Use up some clock cycles and undo the instruction's cycles */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1380 m68k->c.current_cycle += m68k->cyc_exception[EXCEPTION_PRIVILEGE_VIOLATION] - m68k->cyc_instruction[m68k->ir];
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1381 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1382
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1383 /* Exception for A-Line instructions */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1384 static inline void m68ki_exception_1010(m68000_base_device *m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1385 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1386 uint32_t sr;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1387
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1388 sr = m68ki_init_exception(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1389 m68ki_stack_frame_0000(m68k, REG_PPC(m68k), sr, EXCEPTION_1010);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1390 m68ki_jump_vector(m68k, EXCEPTION_1010);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1391
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1392 /* Use up some clock cycles and undo the instruction's cycles */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1393 m68k->c.current_cycle += m68k->cyc_exception[EXCEPTION_1010] - m68k->cyc_instruction[m68k->ir];
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1394 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1395
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1396 /* Exception for F-Line instructions */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1397 static inline void m68ki_exception_1111(m68000_base_device *m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1398 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1399 uint32_t sr;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1400
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1401 sr = m68ki_init_exception(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1402 m68ki_stack_frame_0000(m68k, REG_PPC(m68k), sr, EXCEPTION_1111);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1403 m68ki_jump_vector(m68k, EXCEPTION_1111);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1404
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1405 /* Use up some clock cycles and undo the instruction's cycles */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1406 m68k->c.current_cycle += m68k->cyc_exception[EXCEPTION_1111] - m68k->cyc_instruction[m68k->ir];
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1407 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1408
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1409 /* Exception for illegal instructions */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1410 static inline void m68ki_exception_illegal(m68000_base_device *m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1411 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1412 uint32_t sr;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1413
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1414 sr = m68ki_init_exception(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1415
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1416 if(CPU_TYPE_IS_000(m68k->cpu_type))
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1417 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1418 m68k->instr_mode = INSTRUCTION_NO;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1419 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1420
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1421 m68ki_stack_frame_0000(m68k, REG_PPC(m68k), sr, EXCEPTION_ILLEGAL_INSTRUCTION);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1422 m68ki_jump_vector(m68k, EXCEPTION_ILLEGAL_INSTRUCTION);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1423
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1424 /* Use up some clock cycles and undo the instruction's cycles */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1425 m68k->c.current_cycle += m68k->cyc_exception[EXCEPTION_ILLEGAL_INSTRUCTION] - m68k->cyc_instruction[m68k->ir];
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1426 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1427
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1428 /* Exception for format errror in RTE */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1429 static inline void m68ki_exception_format_error(m68000_base_device *m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1430 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1431 uint32_t sr = m68ki_init_exception(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1432 m68ki_stack_frame_0000(m68k, REG_PC(m68k), sr, EXCEPTION_FORMAT_ERROR);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1433 m68ki_jump_vector(m68k, EXCEPTION_FORMAT_ERROR);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1434
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1435 /* Use up some clock cycles and undo the instruction's cycles */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1436 m68k->c.current_cycle += m68k->cyc_exception[EXCEPTION_FORMAT_ERROR] - m68k->cyc_instruction[m68k->ir];
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1437 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1438
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1439 /* Exception for address error */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1440 static inline void m68ki_exception_address_error(m68000_base_device *m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1441 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1442 uint32_t sr = m68ki_init_exception(m68k);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1443
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1444 /* If we were processing a bus error, address error, or reset,
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1445 * this is a catastrophic failure.
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1446 * Halt the CPU
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1447 */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1448 if(m68k->run_mode == RUN_MODE_BERR_AERR_RESET)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1449 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1450 //m68k->/memory./read8(0x00ffff01);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1451 m68k->stopped = STOP_LEVEL_HALT;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1452 return;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1453 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1454 m68k->run_mode = RUN_MODE_BERR_AERR_RESET;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1455
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1456 /* Note: This is implemented for 68000 only! */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1457 m68ki_stack_frame_buserr(m68k, sr);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1458
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1459 m68ki_jump_vector(m68k, EXCEPTION_ADDRESS_ERROR);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1460
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1461 /* Use up some clock cycles and undo the instruction's cycles */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1462 m68k->c.current_cycle += m68k->cyc_exception[EXCEPTION_ADDRESS_ERROR] - m68k->cyc_instruction[m68k->ir];
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1463 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1464
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1465
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1466
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1467 /* ASG: Check for interrupts */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1468 static inline void m68ki_check_interrupts(m68000_base_device *m68k)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1469 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1470 /*if(m68k->nmi_pending)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1471 {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1472 m68k->nmi_pending = false;
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1473 m68k->m68ki_exception_interrupt(m68k, 7);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1474 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1475 else if(m68k->int_level > m68k->int_mask)
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1476 m68k->m68ki_exception_interrupt(m68k, m68k->int_level>>8);*/
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1477 if (m68k->c.current_cycle >= m68k->c.int_cycle) {
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1478 m68ki_exception_interrupt(m68k, m68k->c.int_num);
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1479 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1480 }
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1481
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1482
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1483
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1484 /* ======================================================================== */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1485 /* ============================== END OF FILE ============================= */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1486 /* ======================================================================== */
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1487
ded16f3d7eb4 Super hacky integration of the version of Musashi from MAME Michael Pavone <pavone@retrodev.com> parents: diff changeset	1488 #endif /* __M68KCPU_H__ */

Mercurial > repos > blastem

annotate musashi/m68kcpu.h @ 1506:ded16f3d7eb4 mame_interp