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cebix |
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/* |
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* emul_op.h - 68k opcodes for ROM patches |
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* |
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* Basilisk II (C) 1997-1999 Christian Bauer |
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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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// 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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// Extended opcodes |
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enum { |
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M68K_EXEC_RETURN = 0x7100, // Extended opcodes (illegal moveq form) |
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M68K_EMUL_BREAK, |
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M68K_EMUL_OP_SHUTDOWN, |
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M68K_EMUL_OP_RESET, |
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M68K_EMUL_OP_CLKNOMEM, |
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M68K_EMUL_OP_READ_XPRAM, |
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M68K_EMUL_OP_READ_XPRAM2, |
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M68K_EMUL_OP_PATCH_BOOT_GLOBS, |
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M68K_EMUL_OP_FIX_BOOTSTACK, // 0x7108 |
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M68K_EMUL_OP_FIX_MEMSIZE, |
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M68K_EMUL_OP_INSTALL_DRIVERS, |
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M68K_EMUL_OP_SERD, |
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M68K_EMUL_OP_SONY_OPEN, |
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M68K_EMUL_OP_SONY_PRIME, |
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M68K_EMUL_OP_SONY_CONTROL, |
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M68K_EMUL_OP_SONY_STATUS, |
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M68K_EMUL_OP_DISK_OPEN, // 0x7110 |
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M68K_EMUL_OP_DISK_PRIME, |
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M68K_EMUL_OP_DISK_CONTROL, |
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M68K_EMUL_OP_DISK_STATUS, |
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M68K_EMUL_OP_CDROM_OPEN, |
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M68K_EMUL_OP_CDROM_PRIME, |
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M68K_EMUL_OP_CDROM_CONTROL, |
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M68K_EMUL_OP_CDROM_STATUS, |
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M68K_EMUL_OP_VIDEO_OPEN, // 0x7118 |
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M68K_EMUL_OP_VIDEO_CONTROL, |
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M68K_EMUL_OP_VIDEO_STATUS, |
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M68K_EMUL_OP_SERIAL_OPEN, |
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M68K_EMUL_OP_SERIAL_PRIME, |
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M68K_EMUL_OP_SERIAL_CONTROL, |
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M68K_EMUL_OP_SERIAL_STATUS, |
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M68K_EMUL_OP_SERIAL_CLOSE, |
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M68K_EMUL_OP_ETHER_OPEN, // 0x7120 |
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M68K_EMUL_OP_ETHER_CONTROL, |
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M68K_EMUL_OP_ETHER_READ_PACKET, |
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M68K_EMUL_OP_ADBOP, |
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M68K_EMUL_OP_INSTIME, |
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M68K_EMUL_OP_RMVTIME, |
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M68K_EMUL_OP_PRIMETIME, |
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M68K_EMUL_OP_MICROSECONDS, |
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M68K_EMUL_OP_SCSI_DISPATCH, // 0x7128 |
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M68K_EMUL_OP_MEMORY_DISPATCH, |
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M68K_EMUL_OP_IRQ, |
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M68K_EMUL_OP_PUT_SCRAP, |
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M68K_EMUL_OP_CHECKLOAD, |
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M68K_EMUL_OP_AUDIO, |
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M68K_EMUL_OP_MAX // highest number |
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}; |
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// Functions |
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extern void EmulOp(uint16 opcode, struct M68kRegisters *r); // Execute EMUL_OP opcode (called by 68k emulator or Line-F trap handler) |
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#endif |
