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/* |
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* emul_op.cpp - 68k opcodes for ROM patches |
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* |
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* Basilisk II (C) 1997-1999 Christian Bauer |
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* Basilisk II (C) 1997-2000 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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#include "extfs.h" |
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#include "emul_op.h" |
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|
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#if ENABLE_MON |
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#include "mon.h" |
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#endif |
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|
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#define DEBUG 0 |
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#include "debug.h" |
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|
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r->d[0], r->d[1], r->d[2], r->d[3], r->d[4], r->d[5], r->d[6], r->d[7], |
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r->a[0], r->a[1], r->a[2], r->a[3], r->a[4], r->a[5], r->a[6], r->a[7], |
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r->sr); |
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#if ENABLE_MON |
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char *arg[2] = {"rmon", NULL}; |
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mon(1, arg); |
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#endif |
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QuitEmulator(); |
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break; |
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} |
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EtherReset(); |
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|
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// Create BootGlobs at top of memory |
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memset((void *)(RAMBaseHost + RAMSize - 4096), 0, 4096); |
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Mac_memset(RAMBaseMac + RAMSize - 4096, 0, 4096); |
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uint32 boot_globs = RAMBaseMac + RAMSize - 0x1c; |
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WriteMacInt32(boot_globs + 0x00, RAMBaseMac); // First RAM bank |
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WriteMacInt32(boot_globs + 0x04, RAMSize); |
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break; |
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case M68K_EMUL_OP_VIDEO_OPEN: // Video driver functions |
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r->d[0] = VideoOpen(r->a[0], r->a[1]); |
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r->d[0] = VideoDriverOpen(r->a[0], r->a[1]); |
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break; |
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case M68K_EMUL_OP_VIDEO_CONTROL: |
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r->d[0] = VideoControl(r->a[0], r->a[1]); |
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r->d[0] = VideoDriverControl(r->a[0], r->a[1]); |
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break; |
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case M68K_EMUL_OP_VIDEO_STATUS: |
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r->d[0] = VideoStatus(r->a[0], r->a[1]); |
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r->d[0] = VideoDriverStatus(r->a[0], r->a[1]); |
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break; |
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case M68K_EMUL_OP_SERIAL_OPEN: // Serial driver functions |
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break; |
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} |
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|
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case M68K_EMUL_OP_MEMORY_DISPATCH: { // MemoryDispatch() replacement routine |
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int16 sel = r->d[0]; |
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D(bug("MemoryDispatch(%d)\n", sel)); |
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switch (sel) { |
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case -6: // GetLogicalRAMSize |
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r->d[0] = RAMSize; |
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break; |
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case -3: |
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r->d[0] = 0x1000; |
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break; |
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case 0: // HoldMemory |
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case 1: // UnholdMemory |
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case 2: // LockMemory |
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case 3: // UnlockMemory |
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case 4: // LockMemoryContiguous |
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case 6: // ProtectMemory |
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case 7: // UnprotectMemory |
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r->d[0] = 0; |
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break; |
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default: |
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printf("FATAL: MemoryDispatch(%d): illegal selector\n", sel); |
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r->d[0] = (uint32)-502; |
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break; |
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} |
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break; |
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} |
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|
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case M68K_EMUL_OP_IRQ: // Level 1 interrupt |
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r->d[0] = 0; |
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if (InterruptFlags & INTFLAG_60HZ) { |
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r->d[0] = AudioDispatch(r->a[3], r->a[4]); |
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break; |
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#if SUPPORTS_EXTFS |
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case M68K_EMUL_OP_EXTFS_COMM: // External file system routines |
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WriteMacInt16(r->a[7] + 14, ExtFSComm(ReadMacInt16(r->a[7] + 12), ReadMacInt32(r->a[7] + 8), ReadMacInt32(r->a[7] + 4))); |
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break; |
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case M68K_EMUL_OP_EXTFS_HFS: |
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WriteMacInt16(r->a[7] + 20, ExtFSHFS(ReadMacInt32(r->a[7] + 16), ReadMacInt16(r->a[7] + 14), ReadMacInt32(r->a[7] + 10), ReadMacInt32(r->a[7] + 6), ReadMacInt16(r->a[7] + 4))); |
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break; |
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#endif |
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|
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case M68K_EMUL_OP_BLOCK_MOVE: // BlockMove() replacement |
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memmove(Mac2HostAddr(r->a[1]), Mac2HostAddr(r->a[0]), r->d[0]); |
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break; |
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|
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default: |
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printf("FATAL: EMUL_OP called with bogus opcode %08x\n", opcode); |
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r->d[0], r->d[1], r->d[2], r->d[3], r->d[4], r->d[5], r->d[6], r->d[7], |
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r->a[0], r->a[1], r->a[2], r->a[3], r->a[4], r->a[5], r->a[6], r->a[7], |
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r->sr); |
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#if ENABLE_MON |
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char *arg[2] = {"rmon", NULL}; |
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mon(1, arg); |
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#endif |
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QuitEmulator(); |
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break; |
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} |