109 lines
5.8 KiB
C
109 lines
5.8 KiB
C
/*
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* emul_op.h - 68k opcodes for ROM patches
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*
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* SheepShaver (C) 1997-2002 Christian Bauer and Marc Hellwig
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef EMUL_OP_H
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#define EMUL_OP_H
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// PowerPC opcodes
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const uint32 POWERPC_NOP = 0x60000000;
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const uint32 POWERPC_ILLEGAL = 0x00000000;
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const uint32 POWERPC_BLR = 0x4e800020;
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const uint32 POWERPC_BCTR = 0x4e800420;
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const uint32 POWERPC_EMUL_OP = 0x18000000; // Base opcode for EMUL_OP opcodes (only used with PPC emulation)
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// 68k opcodes
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const uint16 M68K_ILLEGAL = 0x4afc;
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const uint16 M68K_NOP = 0x4e71;
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const uint16 M68K_RTS = 0x4e75;
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const uint16 M68K_RTD = 0x4e74;
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const uint16 M68K_JMP = 0x4ef9;
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const uint16 M68K_JMP_A0 = 0x4ed0;
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const uint16 M68K_JSR = 0x4eb9;
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const uint16 M68K_JSR_A0 = 0x4e90;
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enum { // Selectors for EMUL_OP opcodes
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OP_BREAK, OP_XPRAM1, OP_XPRAM2, OP_XPRAM3, OP_NVRAM1, OP_NVRAM2, OP_NVRAM3,
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OP_FIX_MEMTOP, OP_FIX_MEMSIZE, OP_FIX_BOOTSTACK,
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OP_SONY_OPEN, OP_SONY_PRIME, OP_SONY_CONTROL, OP_SONY_STATUS,
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OP_DISK_OPEN, OP_DISK_PRIME, OP_DISK_CONTROL, OP_DISK_STATUS,
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OP_CDROM_OPEN, OP_CDROM_PRIME, OP_CDROM_CONTROL, OP_CDROM_STATUS,
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OP_AUDIO_DISPATCH, OP_SOUNDIN_OPEN, OP_SOUNDIN_PRIME, OP_SOUNDIN_CONTROL, OP_SOUNDIN_STATUS, OP_SOUNDIN_CLOSE,
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OP_ADBOP, OP_INSTIME, OP_RMVTIME, OP_PRIMETIME, OP_MICROSECONDS, OP_PUT_SCRAP, OP_GET_SCRAP,
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OP_DEBUG_STR, OP_INSTALL_DRIVERS, OP_NAME_REGISTRY, OP_RESET, OP_IRQ,
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OP_SCSI_DISPATCH, OP_SCSI_ATOMIC,
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OP_NTRB_17_PATCH, OP_NTRB_17_PATCH2, OP_NTRB_17_PATCH3, OP_CHECKLOAD,
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OP_EXTFS_COMM, OP_EXTFS_HFS, OP_IDLE_TIME,
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OP_MAX
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};
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const uint16 M68K_EMUL_RETURN = 0xfe40; // Extended opcodes
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const uint16 M68K_EXEC_RETURN = 0xfe41;
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const uint16 M68K_EMUL_BREAK = 0xfe42;
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const uint16 M68K_EMUL_OP_XPRAM1 = M68K_EMUL_BREAK + OP_XPRAM1;
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const uint16 M68K_EMUL_OP_XPRAM2 = M68K_EMUL_BREAK + OP_XPRAM2;
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const uint16 M68K_EMUL_OP_XPRAM3 = M68K_EMUL_BREAK + OP_XPRAM3;
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const uint16 M68K_EMUL_OP_NVRAM1 = M68K_EMUL_BREAK + OP_NVRAM1;
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const uint16 M68K_EMUL_OP_NVRAM2 = M68K_EMUL_BREAK + OP_NVRAM2;
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const uint16 M68K_EMUL_OP_NVRAM3 = M68K_EMUL_BREAK + OP_NVRAM3;
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const uint16 M68K_EMUL_OP_FIX_MEMTOP = M68K_EMUL_BREAK + OP_FIX_MEMTOP;
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const uint16 M68K_EMUL_OP_FIX_MEMSIZE = M68K_EMUL_BREAK + OP_FIX_MEMSIZE;
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const uint16 M68K_EMUL_OP_FIX_BOOTSTACK = M68K_EMUL_BREAK + OP_FIX_BOOTSTACK;
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const uint16 M68K_EMUL_OP_SONY_OPEN = M68K_EMUL_BREAK + OP_SONY_OPEN;
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const uint16 M68K_EMUL_OP_SONY_PRIME = M68K_EMUL_BREAK + OP_SONY_PRIME;
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const uint16 M68K_EMUL_OP_SONY_CONTROL = M68K_EMUL_BREAK + OP_SONY_CONTROL;
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const uint16 M68K_EMUL_OP_SONY_STATUS = M68K_EMUL_BREAK + OP_SONY_STATUS;
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const uint16 M68K_EMUL_OP_DISK_OPEN = M68K_EMUL_BREAK + OP_DISK_OPEN;
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const uint16 M68K_EMUL_OP_DISK_PRIME = M68K_EMUL_BREAK + OP_DISK_PRIME;
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const uint16 M68K_EMUL_OP_DISK_CONTROL = M68K_EMUL_BREAK + OP_DISK_CONTROL;
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const uint16 M68K_EMUL_OP_DISK_STATUS = M68K_EMUL_BREAK + OP_DISK_STATUS;
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const uint16 M68K_EMUL_OP_CDROM_OPEN = M68K_EMUL_BREAK + OP_CDROM_OPEN;
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const uint16 M68K_EMUL_OP_CDROM_PRIME = M68K_EMUL_BREAK + OP_CDROM_PRIME;
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const uint16 M68K_EMUL_OP_CDROM_CONTROL = M68K_EMUL_BREAK + OP_CDROM_CONTROL;
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const uint16 M68K_EMUL_OP_CDROM_STATUS = M68K_EMUL_BREAK + OP_CDROM_STATUS;
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const uint16 M68K_EMUL_OP_AUDIO_DISPATCH = M68K_EMUL_BREAK + OP_AUDIO_DISPATCH;
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const uint16 M68K_EMUL_OP_SOUNDIN_OPEN = M68K_EMUL_BREAK + OP_SOUNDIN_OPEN;
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const uint16 M68K_EMUL_OP_SOUNDIN_CLOSE = M68K_EMUL_BREAK + OP_SOUNDIN_CLOSE;
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const uint16 M68K_EMUL_OP_SOUNDIN_PRIME = M68K_EMUL_BREAK + OP_SOUNDIN_PRIME;
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const uint16 M68K_EMUL_OP_SOUNDIN_CONTROL = M68K_EMUL_BREAK + OP_SOUNDIN_CONTROL;
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const uint16 M68K_EMUL_OP_SOUNDIN_STATUS = M68K_EMUL_BREAK + OP_SOUNDIN_STATUS;
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const uint16 M68K_EMUL_OP_ADBOP = M68K_EMUL_BREAK + OP_ADBOP;
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const uint16 M68K_EMUL_OP_INSTIME = M68K_EMUL_BREAK + OP_INSTIME;
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const uint16 M68K_EMUL_OP_RMVTIME = M68K_EMUL_BREAK + OP_RMVTIME;
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const uint16 M68K_EMUL_OP_PRIMETIME = M68K_EMUL_BREAK + OP_PRIMETIME;
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const uint16 M68K_EMUL_OP_MICROSECONDS = M68K_EMUL_BREAK + OP_MICROSECONDS;
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const uint16 M68K_EMUL_OP_PUT_SCRAP = M68K_EMUL_BREAK + OP_PUT_SCRAP;
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const uint16 M68K_EMUL_OP_GET_SCRAP = M68K_EMUL_BREAK + OP_GET_SCRAP;
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const uint16 M68K_EMUL_OP_DEBUG_STR = M68K_EMUL_BREAK + OP_DEBUG_STR;
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const uint16 M68K_EMUL_OP_INSTALL_DRIVERS = M68K_EMUL_BREAK + OP_INSTALL_DRIVERS;
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const uint16 M68K_EMUL_OP_NAME_REGISTRY = M68K_EMUL_BREAK + OP_NAME_REGISTRY;
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const uint16 M68K_EMUL_OP_RESET = M68K_EMUL_BREAK + OP_RESET;
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const uint16 M68K_EMUL_OP_IRQ = M68K_EMUL_BREAK + OP_IRQ;
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const uint16 M68K_EMUL_OP_SCSI_DISPATCH = M68K_EMUL_BREAK + OP_SCSI_DISPATCH;
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const uint16 M68K_EMUL_OP_SCSI_ATOMIC = M68K_EMUL_BREAK + OP_SCSI_ATOMIC;
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const uint16 M68K_EMUL_OP_NTRB_17_PATCH = M68K_EMUL_BREAK + OP_NTRB_17_PATCH;
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const uint16 M68K_EMUL_OP_NTRB_17_PATCH2 = M68K_EMUL_BREAK + OP_NTRB_17_PATCH2;
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const uint16 M68K_EMUL_OP_NTRB_17_PATCH3 = M68K_EMUL_BREAK + OP_NTRB_17_PATCH3;
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const uint16 M68K_EMUL_OP_CHECKLOAD = M68K_EMUL_BREAK + OP_CHECKLOAD;
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const uint16 M68K_EMUL_OP_EXTFS_COMM = M68K_EMUL_BREAK + OP_EXTFS_COMM;
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const uint16 M68K_EMUL_OP_EXTFS_HFS = M68K_EMUL_BREAK + OP_EXTFS_HFS;
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const uint16 M68K_EMUL_OP_IDLE_TIME = M68K_EMUL_BREAK + OP_IDLE_TIME;
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extern void EmulOp(M68kRegisters *r, uint32 pc, int selector);
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#endif
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