28 lines
619 B
C++
28 lines
619 B
C++
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/////////////////////////////////////////////////////////////////////
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// Mapper 21
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class NES_mapper21 : public NES_mapper
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{
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friend void adopt_MPRD(SnssMapperBlock* block, NES* nes);
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friend int extract_MPRD(SnssMapperBlock* block, NES* nes);
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public:
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NES_mapper21(NES* parent) : NES_mapper(parent) {}
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~NES_mapper21() {}
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void Reset();
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void MemoryWrite(uint32 addr, uint8 data);
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void HSync(uint32 scanline);
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protected:
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uint8 regs[9];
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uint8 irq_enabled;
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uint8 irq_counter;
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uint8 irq_latch;
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void SNSS_fixup();
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private:
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};
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/////////////////////////////////////////////////////////////////////
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