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https://github.com/kanjitalk755/macemu.git
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- Faked VIA, SCCRd, SCCWr base addressed to scratch memory area in
EMUL_OP_INSTALL_DRIVERS
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@ -3,8 +3,11 @@ Bugs:
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- Something still seems to be wrong with the UAE FPU (Calculator and scroll
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bars in MacOS 8 don't work properly), Lauri has fixed this and it has to
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be integrated into the main sources
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- Unix: real addressing mode: something is still deadly wrong there though it
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works for example under Linux/i386.
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- Real memory addressing: something is still wrong in the Unix part, though
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it works under Linux/i386
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- Direct or real memory addressing: need to disable initialization of VIA,
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SCCRd and SCCWr to invalid memory regions instead of patching them in
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EMUL_OP_INSTALL_DRIVERS
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General:
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- Sony: rdVerify, Tag Buffer, DskErr
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@ -248,6 +248,22 @@ void EmulOp(uint16 opcode, M68kRegisters *r)
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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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