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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) 1997-2000 Christian Bauer |
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* Basilisk II (C) 1997-2001 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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WriteMacInt8(asc_regs + 0x800, 0x0f); // Set ASC version number |
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WriteMacInt32(0xcc0, asc_regs); // Set ASCBase |
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} |
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#if (REAL_ADDRESSING || DIRECT_ADDRESSING) && defined(USE_SCRATCHMEM_SUBTERFUGE) |
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extern uint8 *ScratchMem; |
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// Set VIA base address to scratch memory area |
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D(bug("Patch VIA base address [0x%x] to ScratchMem\n", ReadMacInt32(0x1d4))); |
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WriteMacInt32(0x1d4, Host2MacAddr(ScratchMem)); |
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// Set SCCRd base address to scratch memory area |
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D(bug("Patch SCCRd base address [0x%x] to ScratchMem\n", ReadMacInt32(0x1d8))); |
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WriteMacInt32(0x1d8, Host2MacAddr(ScratchMem)); |
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// Set SCCWr base address to scratch memory area |
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D(bug("Patch SCCWr base address [0x%x] to ScratchMem\n", ReadMacInt32(0x1dc))); |
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WriteMacInt32(0x1dc, Host2MacAddr(ScratchMem)); |
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#endif |
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break; |
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} |
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break; |
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#endif |
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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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case M68K_EMUL_OP_BLOCK_MOVE: // BlockMove() cache flushing |
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FlushCodeCache(Mac2HostAddr(r->a[0]), r->a[1]); |
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break; |
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case M68K_EMUL_OP_DEBUGUTIL: |