ct_func.asl

来自「AWARD BIOS源代码,支持的CHIPSET请看文件,有同型号的板子烧上去就」· ASL 代码 · 共 58 行

OperationRegion(\GRAM, SystemMemory, 0x00000400, 0x100)
Field(\GRAM, ByteAcc, NoLock, Preserve) 
{
        Offset(0x10),
        FLG0, 8,
        Offset(0xBA),			//R04
        SFLG,8				//Rga
}

OperationRegion(INFO, SystemMemory, 0x000ff840, 0x1)
Field(INFo, ByteAcc, NoLock, Preserve) {
                KBDI, 1,
                }
OperationRegion (BEEP, SystemIO, 0x61, 0x01)
Field (BEEP, ByteAcc, Nolock, Preserve) {
                S1B,	8
}

OperationRegion (CONT, SystemIO, 0x40, 0x04)
Field (CONT, ByteAcc, Nolock, Preserve) {
                CNT0,	8,
                CNT1,	8,
                CNT2,	8,
                CTRL,	8
}

Method(SPKR,1){					//R01
        Store(S1B, Local0)			//save state

        Store(0xB6, CTRL)
        Store(0x55, CNT2)
        Store(0x03, CNT2)
        Store(ARG0, Local2)			//Beep times	//R01
        While(LGreater(Local2,0))
        {

                Or(S1B, 0x03, S1B)		//enable beep

                Store(0x5FFF, Local3)		//delay time
                While(LGreater(Local3,0))	
                {
                        Decrement(Local3)
                }

                        And(S1B, 0xFC, S1B)	//disable beep

                Store(0xEFF, Local3)		//delay time
                While(LGreater(Local3,0))
                {
                        Decrement(Local3)
                }
                Decrement(Local2)
        }	
        Store(Local0, S1B)			//restore state
}						//end of Method