memory.h

COP8 CPU的一个解释型BASIC源码

#ifndef MEMORY_INCLUDED
#define MEMORY_INCLUDED

//extern const unsigned char memory_initializer[32];

#define PROGRAM_START	0

#define HYS            (RAM_SIZE +0 )
#define THERM          (RAM_SIZE +4 )
#define OUT            (RAM_SIZE +10)
#define IN             (RAM_SIZE +14)
#define TIME		   (RAM_SIZE +17)
#define ANONIMUS	   (RAM_SIZE +22)
#define RETURN_VALUE   (RAM_SIZE +24)
#define NULL_NAME	   (RAM_SIZE +31)
#define THRE           (RAM_SIZE +32)

#define RAM_SIZE		(1024*6)
#define FLASH_START     (1024*16)
#define FLASH_PAGE_SIZE 128

typedef unsigned int ram_pointer_t;
typedef unsigned int flash_pointer_t;

extern void	copy_flash_to_ram(void );
extern void copy_ram_to_flash(void );
extern unsigned char peek_ram(ram_pointer_t address);
extern void poke_ram(ram_pointer_t address, unsigned char data);
extern unsigned char peek_flash(flash_pointer_t address);
extern void clear_ram(void);

#endif