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Annotation of nono/vm/scc.h, revision 1.1.1.10

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: 
1.1.1.9   root        7: //
                      8: // SCC (Z8530)
                      9: //
                     10: 
1.1       root       11: #pragma once
                     12: 
                     13: #include "device.h"
1.1.1.9   root       14: #include "mpscc.h"
1.1       root       15: 
1.1.1.10! root       16: class Keyboard;
        !            17: 
1.1.1.9   root       18: class SCCDevice : public MPSCCDevice
1.1       root       19: {
1.1.1.9   root       20:        using inherited = MPSCCDevice;
                     21: 
1.1       root       22:  public:
                     23:        SCCDevice();
1.1.1.4   root       24:        virtual ~SCCDevice() override;
1.1       root       25: 
1.1.1.10! root       26:        bool Init() override;
1.1.1.9   root       27:        void ResetHard(bool poweron) override;
1.1       root       28: 
1.1.1.4   root       29:        // 割り込みアクノリッジ
                     30:        int InterruptAcknowledge();
1.1.1.2   root       31: 
1.1.1.3   root       32:  protected:
                     33:        // BusIO インタフェース
                     34:        static const uint32 NPORT = 4;
1.1.1.5   root       35:        uint64 Read(uint32 offset);
                     36:        uint64 Write(uint32 offset, uint32 data);
                     37:        uint64 Peek(uint32 offset);
1.1.1.4   root       38: 
1.1.1.8   root       39:        void Tx(int ch, uint32 data) override;
1.1.1.9   root       40:        uint GetHighestInt() const override;
1.1.1.8   root       41: 
1.1.1.9   root       42:  private:
1.1.1.8   root       43:        // 指定のレジスタ名を返す
1.1.1.9   root       44:        const char *CRName(const MPSCCChan&, int n) const override;
                     45:        const char *SRName(const MPSCCChan&, int n) const override;
1.1.1.8   root       46: 
                     47:        // WR, RR のほうが通りがいいので結局用意する
1.1.1.9   root       48:        const char *WRName(const MPSCCChan& chan, int n) const {
1.1.1.8   root       49:                return CRName(chan, n);
                     50:        }
1.1.1.9   root       51:        const char *WRName(const MPSCCChan& chan) const {
1.1.1.8   root       52:                return inherited::CRName(chan);
                     53:        }
1.1.1.9   root       54:        const char *RRName(const MPSCCChan& chan, int n) const {
1.1.1.8   root       55:                return SRName(chan, n);
                     56:        }
1.1.1.9   root       57:        const char *RRName(const MPSCCChan& chan) const {
1.1.1.8   root       58:                return inherited::SRName(chan);
                     59:        }
                     60: 
1.1.1.9   root       61:        void ResetChannel(MPSCCChan&);
                     62: 
                     63:        uint8 ReadCtrl(MPSCCChan&);
                     64:        void WriteCtrl(MPSCCChan&, uint32 data);
                     65:        uint8 PeekCtrl(const MPSCCChan&) const;
                     66: 
                     67:        uint8 GetWR1(const MPSCCChan&) const;
                     68:        uint8 GetWR9() const;
                     69:        uint8 GetRR0(const MPSCCChan&) const;
                     70:        uint8 GetRR2B() const;
                     71:        uint8 GetRR3A() const;
                     72: 
                     73:        void WriteWR0(MPSCCChan&, uint32 data);
                     74:        void WriteWR1(MPSCCChan&, uint32 data);
                     75:        void WriteWR2(uint32 data);
                     76:        void WriteWR5(MPSCCChan&, uint32 data);
                     77:        void WriteWR9(uint32 data);
                     78:        void WriteWR10(MPSCCChan&, uint32 data);
                     79:        void WriteWR11(MPSCCChan&, uint32 data);
                     80:        void WriteWR12(MPSCCChan&, uint32 data);
                     81:        void WriteWR13(MPSCCChan&, uint32 data);
                     82:        void WriteWR14(MPSCCChan&, uint32 data);
                     83:        void WriteWR15(MPSCCChan&, uint32 data);
                     84: 
                     85:        void SetXC(MPSCCChan&);
                     86: 
                     87:        DECLARE_MONITOR_CALLBACK(MonitorUpdate);
                     88:        void MonitorUpdateCh(TextScreen&, int ch, int xbase, int ybase);
1.1.1.8   root       89: 
1.1.1.10! root       90:        // PCLK (入力クロック) の時間表現
        !            91:        uint64 pclk_ns {};
        !            92: 
        !            93:        Keyboard *keyboard {};
        !            94: 
1.1.1.8   root       95:        static const char * const wrnames[32];
                     96:        static const char * const rrnames[32];
1.1       root       97: };
1.1.1.2   root       98: 
1.1.1.10! root       99: static inline SCCDevice *GetSCCDevice() {
        !           100:        return Object::GetObject<SCCDevice>(OBJ_MPSCC);
        !           101: }

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