Return to xiospace.h CVS log

Up to [Isaki's NoNo m68k/m88k emulator] / nono / vm

Annotation of nono/vm/xiospace.h, revision 1.1.1.2

1.1       root        1: //
                      2: // nono
                      3: // Copyright (C) 2018 [email protected]
                      4: //
                      5: 
                      6: #pragma once
                      7: 
                      8: #include "device.h"
                      9: 
                     10: class XIOSpaceDevice
                     11:        : public IODevice
                     12: {
                     13:        typedef IODevice inherited;
                     14:  public:
                     15:        XIOSpaceDevice();
                     16:        virtual ~XIOSpaceDevice();
                     17: 
                     18:        virtual uint64 Read8(uint32 addr);
                     19:        virtual uint64 Read16(uint32 addr);
                     20:        virtual uint64 Read32(uint32 addr);
                     21:        virtual uint64 Write8(uint32 addr, uint32 data);
                     22:        virtual uint64 Write16(uint32 addr, uint32 data);
                     23:        virtual uint64 Write32(uint32 addr, uint32 data);
                     24:        virtual uint64 Peek8(uint32 addr);
                     25: 
                     26:  private:
                     27:        // アドレス addr に対応する IODevice* を返す。
                     28:        // addr は 24bit マスクされていること。
1.1.1.2 ! root       29:        inline IODevice *SearchDevice(uint32 addr) const
1.1       root       30:        {
                     31:                uint idx = addr / 8192;
                     32:                __assume(idx < 2048);
                     33:                return table[idx];
                     34:        }
                     35: 
                     36:        void AddDevice(IODevice *dev);
                     37: 
                     38:        IODevice *table[2048] {};
                     39: };

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.