42 lines
1007 B
C++
42 lines
1007 B
C++
#pragma once
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#include <stdint.h>
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#include <stdio.h>
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#define MEMTAG_NONE 0x00
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#define MEMTAG_DATA 0x01
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#define MEMTAG_INST 0x02
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#define MEMTAG_CODE 0x04
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#define MEMTAG_IGNORE 0x08
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#define MEMTAG_TDATA 0x10
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#define MEMTAG_TINST 0x20
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#define MEMTAG_TREPEAT 0x40
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#define MEMTAG_MODIFIED 0x80
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#define MEMTAG_KNOWN 0x07
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#define MEMTAG_TOUCHED 0x70
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class z80mem
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{
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public:
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static z80mem *get() { return singleton; };
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virtual uint8_t readMem(uint16_t address) = 0;
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virtual void writeMem(uint16_t address, uint8_t value) = 0;
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virtual void loadMem(uint16_t address, uint16_t len, uint8_t *buffer) = 0;
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virtual uint8_t getTag(uint16_t address) = 0;
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virtual void setTag(uint16_t address, uint8_t value) = 0;
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virtual void reset() = 0;
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virtual void saveState(FILE* f) = 0;
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virtual void loadState(FILE* f) = 0;
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virtual uint32_t getSize() = 0;
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protected:
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static z80mem *singleton;
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};
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