tools.h

来自「PC燒錄BIOS的源程序」· C头文件 代码 · 共 46 行

//define the common function


#ifndef __TOOLS_H__

#define __TOOLS_H__

#include "const.h"

extern "C" void MoveLinBlockD( LONGINT Src, LONGINT Dest, LONGINT Size);

//return the High Byte of one word
BYTE Hi(WORD Value);
//return the low Byte of one word
BYTE Lo(WORD Value);

//Write one Byte to the Specified Memory Location 
void FOMemByte(LONGINT Addr, BYTE Data);
//Get one Byte from the Specified Memory Location 
BYTE FIMemByte(LONGINT Addr);

//Write one WORD to the Specified Memory Location 
void FOMemWord(LONGINT Addr, WORD Data);
//Get one WORD from the Specified Memory Location 
WORD FIMemWord(LONGINT Addr);

//Allocate Memory in the XMS or convential Memory
//return the Linear Address for this Block
//BlockSize(Bytes)
LONGINT AllocLinearBlock(LONGINT  BlockSize , LONGINT* pXMSBlockLeft , LONGINT* pXMSBlockPos);

//void MoveLinBlockD(LONGINT Src, LONGINT Dest, LONGINT Size);
void MoveLinBlockB(LONGINT Src, LONGINT Dest, LONGINT Size);
void MoveLinBlockW(LONGINT Src, LONGINT Dest, LONGINT Size);
void FillLinBlockD(LONGINT Dest, LONGINT Size, BYTE Data);
BOOL CompLinBlocks( LONGINT Block1, LONGINT Block2, LONGINT Size);

//Beep the 1KHz sound in Speaker
//The time is milliseconds (ms)
void Beep(unsigned long period);




#endif  __TOOLS_H__