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Annotation of nono/vm/areaset.cpp, revision 1.1.1.11

1.1       root        1: //
                      2: // nono
1.1.1.2   root        3: // Copyright (C) 2020 nono project
                      4: // Licensed under nono-license.txt
1.1       root        5: //
                      6: 
1.1.1.6   root        7: //
                      8: // エリアセット
                      9: //
                     10: 
1.1       root       11: #include "areaset.h"
1.1.1.3   root       12: #include "mpu.h"
1.1.1.9   root       13: #include "x68kio.h"
1.1       root       14: 
1.1.1.6   root       15: // コンストラクタ
1.1       root       16: AreaSetDevice::AreaSetDevice()
1.1.1.8   root       17:        : inherited(OBJ_AREASET)
1.1       root       18: {
                     19: }
                     20: 
1.1.1.6   root       21: // デストラクタ
1.1       root       22: AreaSetDevice::~AreaSetDevice()
                     23: {
                     24: }
                     25: 
1.1.1.9   root       26: // 初期化
                     27: bool
                     28: AreaSetDevice::Init()
                     29: {
                     30:        x68kio = GetX68kIODevice();
                     31: 
                     32:        return true;
                     33: }
                     34: 
1.1.1.6   root       35: // リセット
1.1.1.3   root       36: void
1.1.1.6   root       37: AreaSetDevice::ResetHard(bool poweron)
1.1.1.3   root       38: {
1.1.1.9   root       39:        // リセットでどうなるかは分からないけど、
                     40:        // さすがに不定ではないだろう。
                     41:        x68kio->SetAreaset(0);
1.1.1.3   root       42: }
                     43: 
1.1.1.9   root       44: busdata
1.1.1.10  root       45: AreaSetDevice::ReadPort(uint32 offset)
1.1       root       46: {
1.1.1.10  root       47:        putlog(2, "Read $%06x (BusErr)", mpu->GetPaddr());
                     48:        return BusData::BusErr;
1.1       root       49: }
                     50: 
                     51: 
1.1.1.9   root       52: busdata
1.1.1.10  root       53: AreaSetDevice::WritePort(uint32 offset, uint32 data)
1.1       root       54: {
1.1.1.10  root       55:        putlog(1, "Write $%06x <- $%02x", mpu->GetPaddr(), data);
                     56:        x68kio->SetAreaset(data);
1.1.1.9   root       57: 
                     58:        const busdata wait = busdata::Wait(7 * 40_nsec);
1.1.1.10  root       59:        busdata r = wait;
                     60:        r |= BusData::Size1;
1.1.1.9   root       61:        return r;
1.1       root       62: }
                     63: 
1.1.1.9   root       64: busdata
1.1.1.10  root       65: AreaSetDevice::PeekPort(uint32 offset)
1.1       root       66: {
1.1.1.10  root       67:        return BusData::BusErr;
1.1       root       68: }
                     69: 
1.1.1.10  root       70: bool
                     71: AreaSetDevice::PokePort(uint32 offset, uint32 data)
1.1       root       72: {
1.1.1.10  root       73:        // とりあえず
                     74:        return false;
1.1       root       75: }

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