8051 flash 程序编写源码

ifdef __FLASH_ISP__  /* typedef unsigned int FLADDR;  void FLASH_ByteWrite (FLADDR addr, char byte); unsigned char FLASH_ByteRead (FLADDR addr); void FLASH_PageErase (FLADDR addr);   void FLASH_Write (FLADDR dest, char *src, unsigned numbytes); char * FLASH_Read (char *dest, FLADDR src, unsigned numbytes);  */    void FLASH_ByteWrite (FLADDR addr, char byte)  {      bit EA_SAVE = EA;                   // preserve EA      char xdata * data pwrite;           // FLASH write pointer        EA = 0;                             // disable interrupts        #ifdef __NULL_VDM0

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