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c64env.h
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/***************************************************************************
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c64env.h - The C64 environment interface.
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-------------------
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begin : Fri Apr 4 2001
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copyright : (C) 2001 by Simon White
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email : s_a_white@email.com
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef _c64env_h_
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#define _c64env_h_
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#include "sidtypes.h"
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#include "event.h"
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/* An implementation of of this class can be created to perform the C64
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specifics. A pointer to this child class can then be passed to
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each of the conponents so they can interact with it.
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*/
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class
c64env
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{
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private
:
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EventContext
&m_context;
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public
:
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c64env
(
EventContext
*context)
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:m_context (*context) {}
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EventContext
&context (
void
)
const
{
return
m_context; }
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virtual
void
interruptIRQ (
const
bool
state) = 0;
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virtual
void
interruptNMI (
void
) = 0;
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virtual
void
interruptRST (
void
) = 0;
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virtual
void
signalAEC (
const
bool
state) = 0;
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virtual
uint8_t readMemRamByte (
const
uint_least16_t addr) = 0;
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virtual
void
sid2crc (
const
uint8_t data) = 0;
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virtual
void
lightpen () = 0;
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};
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#endif // _c64env_h_
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