/*
?*?由SharpDevelop創(chuàng)建。
?*?用戶：?Administrator
?*?日期:?2018-05-05
?*?時間:?22:17
?*?
?*?要改變這種模板請點擊?工具|選項|代碼編寫|編輯標準頭文件
?*/
using?System;
using?System.Diagnostics;

namespace?OS
{
	///?

	///?Interrupt?Type
	///?

	public?enum?INT_TYPE
	{
		TIME?=?1
		IO?=?2
		SOFT?=?4}

	;
	///?

	///?Registers
	///?

	public?class?Registers
	{
		public?InfoViewEvent?ONDRChange=null;
		public?InfoViewEvent?ONTimeSliceChange=null;
		private?int?_PSW;
//程序狀態(tài)寄存器
		private?int?_PC;
//程序計數(shù)器寄存器
		private?int?_DR;
//數(shù)據(jù)寄存器
		private?string?_IR;
//指令寄存器
		private?int?_TIME;
//相對時鐘寄存器
		//訪問時間寄存器
		public?int?Time{?get?{?return?_TIME;?}?
			set?{?
				_TIME?=?value;
				if（ONTimeSliceChange!=null）ONTimeSliceChange（thisnew?InfoViewEventArgs（value））;
			}?
		}
		//訪問數(shù)據(jù)寄存器DR
		public?int?DR{?get?{?return?_DR;?}?
			set?{
				_DR?=?value;
				if（ONDRChange!=null）ONDRChange（thisnew?InfoViewEventArgs（value））;
			}?
		}
		//訪問指令寄存器IR
		public?string?IR{?get?{?return?_IR;?}?set?{?_IR?=?value;?}?}
		//設(shè)置中斷
		public?void?SetInterrupt（INT_TYPE?interrupt）
		{
			_PSW?|=?（int）interrupt;
		}
		//清中斷
		public?void?ClearInterrupt（INT_TYPE?interrupt）
		{
			_PSW?&=?~（int）interrupt;
		}
		//查詢是否存在中斷
		public?bool?HasInterrupt（）
		{
			return?_PSW?>?0;
		}
		//查詢指定中斷狀態(tài)
		public?bool?HasInterrupt（INT_TYPE?t）
		{
			return?Convert.ToBoolean（_PSW?&?（int）t）;
		}
		private?bool?isIdle（）
		{
			return?PCBNo?==?-1;
		}
		public?int?PCBNo?{
			get?{
				if?（（_PC?&?0xFF00）?==?0xFF00）?{
					return?-1;
				}?else
					return?（_PC?&?0xFF00）?>>?8;
			}
			set?{
				if?（value?>=?0）
					_PC?=?（value?<				else
					_PC?=?0xFF00|PC;
			}
		}
		public?int?PC?{
			get{?return?_PC?&?0xFF;?}
			set{?_PC?=?（_PC?&?0xFF00）?+?value;?}
		}
		//獲得當前執(zhí)行的PCB
		public?PCB?curPCB（）
		{
			PCB?pcb;
			if?（isIdle（））?{
				pcb?=?Program.g.IDLE;
			}?else?{
				pcb?=?Program.g.pcbs[PCBNo];
			}
			return?pcb;
		}
		
		//執(zhí)行中斷時保存現(xiàn)場
		public?void?SaveStates（）
		{
			PCB?pcb?=?curPCB（）;
			pcb.PSW?=?_PSW;
			pcb.DR?=?_DR;
			pcb.IR?=?_IR;
			pcb.PC?=?PC;
			pcb.PTime?=?_TIME;
		}
		//中斷執(zhí)行完畢恢復(fù)現(xiàn)場
		public?void?RestoreStates（PCB?pcb）
		{
			_PSW?=?pcb.PSW;
			_PC?=?pcb.PC;
			_IR?=?pcb.IR;
			_DR?=?pcb.DR;
			_TIME?=?pcb.PTime;
		}
	}
	///?

	///?中斷處理程序
	///?

	public?class?InterruptProcedures
	{
	????private?int?pcbNo;
		public?void?DealIOInt（Registers?registers）
		{
			registers.SaveStates（）;
		????pcbNo?=?registers.PCBNo;
		????PCB?pcb?=?pcbNo?==?-1???Program.g.IDLE?:?Program.g.pcbs[pcbNo];
????????????Program.g.scheduler.DealIOInt（）;
			registers.RestoreStates（pcb）;
		????registers.PCBNo?=?pcbNo;
			registers.ClearInterrupt（INT_TYPE.IO）;
		}

		public?void?DealSoftInt（Registers?registers）
		{
		????registers.SaveStates（）;
		????Program.g.scheduler.DealSoftInt（）;
			registers.ClearInterrupt（INT_TYPE.SOFT）;
		}

		public?v

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????..A..H.?????49664??2018-06-09?08:19??OSCode\OSCode\OS\.vs\OS\v15\.suo

?????文件??????????0??2018-05-25?16:38??OSCode\OSCode\OS\.vs\OS\v15\Server\sqlite3\db.lock

?????文件????1126400??2018-06-09?08:19??OSCode\OSCode\OS\.vs\OS\v15\Server\sqlite3\storage.ide

?????文件????????173??2018-05-26?15:27??OSCode\OSCode\OS\OS\app.config

?????文件?????????28??2018-05-25?11:13??OSCode\OSCode\OS\OS\bin\Debug\001.c

?????文件??????????3??2018-06-09?12:15??OSCode\OSCode\OS\OS\bin\Debug\001.c.log

?????文件?????????28??2018-05-25?11:13??OSCode\OSCode\OS\OS\bin\Debug\002.c

?????文件??????????3??2018-06-09?12:15??OSCode\OSCode\OS\OS\bin\Debug\002.c.log

?????文件?????????28??2018-05-25?11:13??OSCode\OSCode\OS\OS\bin\Debug\003.c

?????文件??????????3??2018-06-09?12:15??OSCode\OSCode\OS\OS\bin\Debug\003.c.log

?????文件?????????28??2018-05-25?11:13??OSCode\OSCode\OS\OS\bin\Debug\004.c

?????文件??????????3??2018-06-09?12:15??OSCode\OSCode\OS\OS\bin\Debug\004.c.log

?????文件?????????28??2018-05-25?11:13??OSCode\OSCode\OS\OS\bin\Debug\005.c

?????文件??????????3??2018-06-09?12:15??OSCode\OSCode\OS\OS\bin\Debug\005.c.log

?????文件?????????28??2018-05-25?11:13??OSCode\OSCode\OS\OS\bin\Debug\006.c

?????文件??????????3??2018-06-09?12:15??OSCode\OSCode\OS\OS\bin\Debug\006.c.log

?????文件?????????28??2018-05-25?11:13??OSCode\OSCode\OS\OS\bin\Debug\007.c

?????文件??????????3??2018-06-09?12:15??OSCode\OSCode\OS\OS\bin\Debug\007.c.log

?????文件?????????28??2018-05-25?11:13??OSCode\OSCode\OS\OS\bin\Debug\008.c

?????文件??????????3??2018-06-09?12:15??OSCode\OSCode\OS\OS\bin\Debug\008.c.log

?????文件?????????28??2018-05-25?11:13??OSCode\OSCode\OS\OS\bin\Debug\009.c

?????文件??????????3??2018-06-09?12:15??OSCode\OSCode\OS\OS\bin\Debug\009.c.log

?????文件?????????28??2018-05-25?11:13??OSCode\OSCode\OS\OS\bin\Debug\010.c

?????文件??????????3??2018-06-09?12:15??OSCode\OSCode\OS\OS\bin\Debug\010.c.log

?????文件????1986560??2018-06-09?12:18??OSCode\OSCode\OS\OS\bin\Debug\OS.exe

?????文件????????173??2018-05-26?15:27??OSCode\OSCode\OS\OS\bin\Debug\OS.exe.config

?????文件??????75264??2018-06-09?12:18??OSCode\OSCode\OS\OS\bin\Debug\OS.pdb

?????文件?????????28??2018-05-25?11:13??OSCode\OSCode\OS\OS\bin\Release\001.c

?????文件?????????28??2018-05-25?11:13??OSCode\OSCode\OS\OS\bin\Release\002.c

?????文件?????????28??2018-05-25?11:13??OSCode\OSCode\OS\OS\bin\Release\003.c

............此處省略82個文件信息