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Annotation of nono/vm/scc.h, revision 1.1.1.8

1.1       root        1: //
                      2: // nono
1.1.1.3   root        3: // Copyright (C) 2020 nono project
                      4: // Licensed under nono-license.txt
1.1       root        5: //
                      6: 
                      7: #pragma once
                      8: 
                      9: #include "device.h"
                     10: #include "upd7201.h"
                     11: 
1.1.1.6   root       12: class SCCDevice : public uPD7201Device
1.1       root       13: {
1.1.1.3   root       14:        using inherited = uPD7201Device;
1.1       root       15:  private:
                     16:        static const int baseaddr = 0xe98000;
                     17: 
                     18:  public:
                     19:        SCCDevice();
1.1.1.4   root       20:        virtual ~SCCDevice() override;
1.1       root       21: 
                     22:        // XXX 親の同名メソッドと名前分けたほうがいいか
1.1.1.8 ! root       23:        uint8 ReadCtrl(SIO::channel *chan) override;
        !            24:        void WriteCtrl(SIO::channel *chan, uint32 data) override;
1.1       root       25: 
1.1.1.4   root       26:        // 割り込みアクノリッジ
                     27:        int InterruptAcknowledge();
1.1.1.2   root       28: 
1.1.1.3   root       29:  protected:
                     30:        // BusIO インタフェース
                     31:        static const uint32 NPORT = 4;
1.1.1.5   root       32:        uint64 Read(uint32 offset);
                     33:        uint64 Write(uint32 offset, uint32 data);
                     34:        uint64 Peek(uint32 offset);
1.1.1.4   root       35: 
1.1.1.8 ! root       36:        void Tx(int ch, uint32 data) override;
        !            37: 
        !            38:        // 指定のレジスタ名を返す
        !            39:        const char *CRName(const SIO::channel *chan, int n) const override;
        !            40:        const char *SRName(const SIO::channel *chan, int n) const override;
        !            41: 
        !            42:        // WR, RR のほうが通りがいいので結局用意する
        !            43:        const char *WRName(const SIO::channel *chan, int n) const {
        !            44:                return CRName(chan, n);
        !            45:        }
        !            46:        const char *WRName(const SIO::channel *chan) const {
        !            47:                return inherited::CRName(chan);
        !            48:        }
        !            49:        const char *RRName(const SIO::channel *chan, int n) const {
        !            50:                return SRName(chan, n);
        !            51:        }
        !            52:        const char *RRName(const SIO::channel *chan) const {
        !            53:                return inherited::SRName(chan);
        !            54:        }
        !            55: 
1.1.1.4   root       56:  private:
                     57:        void Interrupt() override;
1.1.1.8 ! root       58:        void WriteCR0(SIO::channel *chan, uint32 data) override;
        !            59:        void WriteCR5(SIO::channel *chan, uint32 data) override;
        !            60:        void SetTXC(SIO::channel *chan);
        !            61: 
        !            62:        static const char * const wrnames[32];
        !            63:        static const char * const rrnames[32];
1.1       root       64: };
1.1.1.2   root       65: 
                     66: extern std::unique_ptr<SCCDevice> gSCC;

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