mem.h

#ifndef __MEM_H__
#define __MEM_H__

#include <cstdint>

#define RAMSIZE 0x100000

// temporarely using memory mapped I/O until ecall is implemented...
#define GETCHAR 0x0f000000
#define PUTCHAR 0x0e000000

class Mem {
public:

  int8_t ram8[RAMSIZE] = {0};
  int16_t *ram16;
  int32_t *ram32;

  uint32_t ramStartAddress = {0};

  Mem();
  ~Mem();

  uint32_t getRamStartAddress();
  void setRamStartAddress(uint32_t address);

  int8_t get8(uint32_t address);
  int16_t get16(uint32_t address);
  int32_t get32(uint32_t address);

  void set8(uint32_t address, int8_t value);
  void set16(uint32_t address, int16_t value);
  void set32(uint32_t address, int32_t value);
};

#endif