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Annotation of nono/vm/romemu_x68k.h, revision 1.1.1.1

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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