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Annotation of nono/vm/romemu_x68k.h, revision 1.1

1.1     ! root        1: //
        !             2: // nono
        !             3: // Copyright (C) 2022 nono project
        !             4: // Licensed under nono-license.txt
        !             5: //
        !             6: 
        !             7: //
        !             8: // X68030 の ROM30 (SCSI ROM) エミュレーション
        !             9: //
        !            10: 
        !            11: #pragma once
        !            12: 
        !            13: #include "rom.h"
        !            14: 
        !            15: class m68kcpu;
        !            16: 
        !            17: class ROM30EmuDevice : public ROMDevice
        !            18: {
        !            19:        using inherited = ROMDevice;
        !            20: 
        !            21:  private:
        !            22:        // このデバイスの先頭アドレス
        !            23:        static const uint32 baseaddr            = 0x00fc0000;
        !            24: 
        !            25:        // 謎の I/O 空間
        !            26:        static const uint32 ROMIO_BASE          = 0xfc0080;
        !            27:        static const uint32 ROMIO_SCSI          = (ROMIO_BASE + 0);
        !            28:        static const uint32 ROMIO_BOOT          = (ROMIO_BASE + 4);
        !            29: 
        !            30:  public:
        !            31:        ROM30EmuDevice();
        !            32:        virtual ~ROM30EmuDevice() override;
        !            33: 
        !            34:        bool Init() override;
        !            35: 
        !            36:        uint64 Read32(uint32 addr) override;
        !            37: 
        !            38:  private:
        !            39:        uint32 SCSIBoot() const;
        !            40:        uint32 SCSIIOCS();
        !            41:        uint32 SCSI_S_INQUIRY(uint32);
        !            42:        uint32 SCSI_S_READEXT(uint32);
        !            43:        uint32 SCSI_S_TESTUNIT(uint32);
        !            44:        uint32 SCSI_S_READCAP(uint32);
        !            45: 
        !            46:        // SCSI IOCS コール名を返す
        !            47:        static std::string GetSCSICallName(uint number);
        !            48: 
        !            49:        m68kcpu *cpu {};
        !            50: 
        !            51:        static const char * const x68k_scsicall[0x40];
        !            52: };

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