实现在Windows下直接读写内存的方法

P);
return 0;
case IDM-INT21H:
InterruptVector=(WORD far *)MAKELONG(0,&-0000H);
wsprintf(Strbuf,"向量地址:%04X:%04XH/n",*(InterruptVecto
r+0x42),
*(InterruptVector+0x43));
MessageBox (hWnd,Strbuf,"int 21h",MB-OK MB-ICONSTOP);
return 0;
case IDM-TIME:
bios=(char far *)MAKELONG(0xfff5,&-F000H);
MessageBox (hWnd,bios,
"ROM制造时间",MB-OK MB-ICONSTOP);
return 0;
case IDM-READ:
bios=(char far *)MAKELONG(0xF0,&-0040H);
MessageBox (hWnd,bios,
"取用户通讯区内容",MB-OK MB-ICONSTOP);
return 0;
case IDM-WRITE:
bios=(char far *)MAKELONG(0xF0,&-0040H);
for(i=0;i<10;i++) *(bios+i)='A'+i; *(bios+10)=0;
MessageBox (hWnd,"Write 'A'-'J'char string !",
"写用户通讯区内容",MB-OK MB-ICONSTOP);
return 0;
case IDM-EXIT:
SendMessage (hWnd,WM-CLOSE,0,0);
return 0;
}
break;
case WM-DESTROY:
PostQuitMessage (0);
return 0;
default:
break;
}
return DefWindowProc (hWnd,message,wParam,lParam);
}
/*----End Programming of Demo----*/

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