mirror of https://github.com/akuker/RASCSI.git
47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
//---------------------------------------------------------------------------
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//
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// SCSI Target Emulator RaSCSI Reloaded
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// for Raspberry Pi
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//
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// Copyright (C) 2022 Uwe Seimet
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//
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//---------------------------------------------------------------------------
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#pragma once
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#include "scsi.h"
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class PhaseHandler
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{
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BUS::phase_t phase = BUS::phase_t::busfree;
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public:
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PhaseHandler() = default;
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virtual ~PhaseHandler() = default;
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virtual void BusFree() = 0;
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virtual void Selection() = 0;
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virtual void Command() = 0;
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virtual void Status() = 0;
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virtual void DataIn() = 0;
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virtual void DataOut() = 0;
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virtual void MsgIn() = 0;
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virtual void MsgOut() = 0;
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virtual BUS::phase_t Process(int) = 0;
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protected:
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BUS::phase_t GetPhase() const { return phase; }
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void SetPhase(BUS::phase_t p) { phase = p; }
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bool IsSelection() const { return phase == BUS::phase_t::selection; }
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bool IsBusFree() const { return phase == BUS::phase_t::busfree; }
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bool IsCommand() const { return phase == BUS::phase_t::command; }
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bool IsStatus() const { return phase == BUS::phase_t::status; }
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bool IsDataIn() const { return phase == BUS::phase_t::datain; }
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bool IsDataOut() const { return phase == BUS::phase_t::dataout; }
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bool IsMsgIn() const { return phase == BUS::phase_t::msgin; }
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bool IsMsgOut() const { return phase == BUS::phase_t::msgout; }
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};
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