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CLK/Machines/MSX/Cartridges/ASCII16kb.hpp
Thomas Harte 294e09f275 All these 'override's can be 'final's.
At least for the purpose of being communicative. I doubt there's much to gain in terms of compiler output — the DiskImageHolder can avoid some virtual lookups but nothing else leaps out.
2020-01-23 22:57:51 -05:00

55 lines
1.2 KiB
C++

//
// ASCII16kb.hpp
// Clock Signal
//
// Created by Thomas Harte on 04/01/2018.
// Copyright 2018 Thomas Harte. All rights reserved.
//
#ifndef ASCII16kb_hpp
#define ASCII16kb_hpp
#include "../ROMSlotHandler.hpp"
namespace MSX {
namespace Cartridge {
class ASCII16kbROMSlotHandler: public ROMSlotHandler {
public:
ASCII16kbROMSlotHandler(MSX::MemoryMap &map, int slot) :
map_(map), slot_(slot) {}
void write(uint16_t address, uint8_t value, bool pc_is_outside_bios) final {
switch(address >> 11) {
default:
if(pc_is_outside_bios) confidence_counter_.add_miss();
break;
case 0xc:
if(pc_is_outside_bios) {
if(address == 0x6000) confidence_counter_.add_hit(); else confidence_counter_.add_equivocal();
}
map_.map(slot_, value * 0x4000, 0x4000, 0x4000);
break;
case 0xe:
if(pc_is_outside_bios) {
if(address == 0x7000 || address == 0x77ff) confidence_counter_.add_hit(); else confidence_counter_.add_equivocal();
}
map_.map(slot_, value * 0x4000, 0x8000, 0x4000);
break;
}
}
virtual std::string debug_type() final {
return "A16";
}
private:
MSX::MemoryMap &map_;
int slot_;
};
}
}
#endif /* ASCII16kb_hpp */