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Diffstat (limited to 'sidplay-libs-2.1.0/libsidplay/include/sidplay/c64env.h')
| -rw-r--r-- | sidplay-libs-2.1.0/libsidplay/include/sidplay/c64env.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/sidplay-libs-2.1.0/libsidplay/include/sidplay/c64env.h b/sidplay-libs-2.1.0/libsidplay/include/sidplay/c64env.h new file mode 100644 index 00000000..044dd0d0 --- /dev/null +++ b/sidplay-libs-2.1.0/libsidplay/include/sidplay/c64env.h @@ -0,0 +1,46 @@ +/*************************************************************************** + c64env.h - The C64 environment interface. + ------------------- + begin : Fri Apr 4 2001 + copyright : (C) 2001 by Simon White + email : s_a_white@email.com + ***************************************************************************/ + +/*************************************************************************** + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + ***************************************************************************/ + +#ifndef _c64env_h_ +#define _c64env_h_ + +#include "sidtypes.h" +#include "event.h" + +/* An implementation of of this class can be created to perform the C64 + specifics. A pointer to this child class can then be passed to + each of the conponents so they can interact with it. +*/ + +class c64env +{ +private: + EventContext &m_context; + +public: + c64env (EventContext *context) + :m_context (*context) {} + EventContext &context (void) const { return m_context; } + virtual void interruptIRQ (bool state) = 0; + virtual void interruptNMI (void) = 0; + virtual void interruptRST (void) = 0; + virtual void signalBA (bool state) = 0; + virtual void signalAEC (bool state) = 0; + virtual uint8_t readMemRamByte (uint_least16_t addr) = 0; +}; + +#endif // _c64env_h_ |