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    • 1. 发明授权
    • Automatic data steering and data formatting mechanism
    • 自动数据转向和数据格式化机制
    • US4494186A
    • 1985-01-15
    • US286444
    • 1981-07-24
    • Gary J. GossRichard P. KellyThomas L. Murray, Jr.
    • Gary J. GossRichard P. KellyThomas L. Murray, Jr.
    • G06F5/00G06F13/38G06F3/00
    • G06F13/387G06F5/00
    • In a data processing system having a plurality of units coupled for the transfer of information therebetween over a common electrical bus or for transferring information via a communication channel to other data processing systems during asynchronously generated information bus transfer cycles, an apparatus exists for reformatting data for transfer over the common electrical bus or via the communication channel. The apparatus is comprised of an eight-way multiplexer responsive to control bits for selecting one of eight different formats during write or read operations to or from a memory. Additionally, during read operations, the apparatus transfers a return address from a unit requesting information to the address bus so that data read from memory may be transferred to the requesting device. The formatting control bit is similarly reformatted from the data bus to the address bus bit.
    • 在具有多个单元的数据处理系统中,所述多个单元耦合用于通过公共电气总线传递信息,或者用于在异步生成的信息总线传送周期期间经由通信信道将信息传送到其他数据处理系统,存在用于重新格式化数据的设备 通过公共电气总线或通过通信信道进行传输。 该装置包括一个八路复用器,响应于控制位,用于在从存储器写入或读取操作期间选择八种不同格式之一。 此外,在读取操作期间,设备将请求信息的单元的返回地址传送到地址总线,从而可以将从存储器读取的数据传送到请求设备。 格式控制位类似地从数据总线重新格式化为地址总线位。
    • 2. 发明授权
    • Data multiplex control facility
    • 数据复用控制设备
    • US4665482A
    • 1987-05-12
    • US503963
    • 1983-06-13
    • Thomas L. Murray, Jr.James W. StonierGary J. GossThomas O. Holtey
    • Thomas L. Murray, Jr.James W. StonierGary J. GossThomas O. Holtey
    • G06F13/28G06F15/167G06F3/00G06F13/00
    • G06F15/167G06F13/285
    • A data processing system includes a central processing unit (CPU), an input/output microprocessor, a main memory and a number of mass storage controllers. A block of information is transferred between one of the mass storage controllers and main memory during data multiplex control (DMC) cycles. The CPU includes registers which store the address of main memory into which the next data byte is written or read from and the range indicating the number of data bytes remaining to be transferred. Prior to a DMC cycle the CPU stores address and range information in a mailbox location in an I/O RAM and the I/O microprocessor transfers that information to channel table locations in the I/O RAM. For a DMC operation, the I/O microprocessor transfers the address and range information to the mailbox location and transfers the mass storage information to the mass storage controller. It signals a CPU interrupt and issues a read or write order to the mass storage controller. The CPU then retrieves the address and range information from the mailbox location and initiates a DMC cycle.
    • 数据处理系统包括中央处理单元(CPU),输入/输出微处理器,主存储器和多个大容量存储控制器。 在数据多路复用控制(DMC)周期期间,一块信息在大容量存储控制器和主存储器之间传送。 CPU包括存储下一个数据字节被写入或读取的主存储器的地址的寄存器以及指示待传送的数据字节数的范围。 在DMC循环之前,CPU将地址和范围信息存储在I / O RAM中的邮箱位置,I / O微处理器将该信息传输到I / O RAM中的通道表位置。 对于DMC操作,I / O微处理器将地址和范围信息传送到邮箱位置,并将大容量存储信息传输到大容量存储控制器。 它发出CPU中断信号,向大容量存储控制器发出读或写命令。 CPU然后从邮箱位置检索地址和范围信息,并启动DMC循环。
    • 3. 发明授权
    • Speeding up the response time of the direct multiplex control transfer
facility
    • 加快直接多路复用控制传输设施的响应时间
    • US4665481A
    • 1987-05-12
    • US503962
    • 1983-06-13
    • James W. StonierThomas L. Murray, Jr.Gary J. GossThomas O. Holtey
    • James W. StonierThomas L. Murray, Jr.Gary J. GossThomas O. Holtey
    • G06F13/28G06F3/00G06F13/00
    • G06F13/285
    • A microprogrammed data processing system includes a central processing unit (CPU), a main memory and a number of mass storage controllers. A block of information is transferred between main memory and one of the mass storage controllers during data multiplex control (DMC) cycles. The main memory stores 2 data bytes in each word location. An input/output RAM stores channel number signals for identifying mass storage controllers. An I/O microprocessor addresses the I/O RAM to read the channel number signals onto the system bus, and a mass storage controller coupled to the system bus responds to the channel number signals to generate a read/write signal. The system responds to a request signal, the read/write signal and a signal indicative of a left or right bit of an addressed location in main memory to generate a plurality of data request signals. A read only memory is addressed in response to the data request signals to read out a plurality of microprograms for processing the data.
    • 微程序数据处理系统包括中央处理单元(CPU),主存储器和多个大容量存储控制器。 在数据多路复用控制(DMC)周期期间,一块信息在主存储器和大容量存储控制器之一之间传送。 主存储器在每个字位置存储2个数据字节。 输入/输出RAM存储用于识别大容量存储控制器的通道号信号。 I / O微处理器将I / O RAM寻址到系统总线上的通道号信号,耦合到系统总线的大容量存储控制器响应信道号信号以产生读/写信号。 系统响应请求信号,读/写信号和指示主存储器中寻址位置的左或右位的信号,以产生多个数据请求信号。 响应于数据请求信号寻址只读存储器以读出用于处理数据的多个微程序。
    • 5. 发明授权
    • Communications controller interface
    • 通信控制器接口
    • US4945473A
    • 1990-07-31
    • US051084
    • 1987-05-15
    • Thomas O. HolteyThomas L. Murray, Jr.Scott W. SmithWayne A. Perzan
    • Thomas O. HolteyThomas L. Murray, Jr.Scott W. SmithWayne A. Perzan
    • G06F13/10H04L29/06
    • G06F13/10H04L29/06
    • A communications controller interface for emulating the previous system employing a plurality of line units in which data is transmitted and received. The interface includes a microprocessor-controlled interface control unit having an interface memory having a plurality of addressable storage locations. The interface memory is mapped by dividing it into a number of groups of locations corresponding to the number of communication lines with each group of locations being subdivided into further locations including a location for storage of receive data, a location for storage of transmit data, and a control location. There are a number of control elements each for generating a sequence of signals for different tasks to be performed by the interface control unit. These control elements are interconnected to the interface control unit and to the interface memory so that the multi-line communications unit is able to access different ones of the control locations for updating the status of the lines and further enabling the microprocessor-controlled interface control unit to transfer data to and from the transmit data and receive data locations of the lines in the predetermined sequence consistent with the status.
    • 一种通信控制器接口,用于仿真先前系统,采用多个发送和接收数据的线路单元。 接口包括微处理器控制的接口控制单元,其具有具有多个可寻址存储位置的接口存储器。 通过将接口存储器划分成与通信线路数量相对应的多个位置组,将每组位置细分为另外的位置,包括用于存储接收数据的位置,用于存储发送数据的位置,以及 控制位置。 存在多个控制元件,用于生成用于由接口控制单元执行的不同任务的信号序列。 这些控制元件互连到接口控制单元和接口存储器,使得多线通信单元能够访问不同的控制位置以更新线路的状态,并且进一步启用微处理器控制的接口控制单元 将数据传输到发送数据和从发送数据传送数据,并以与状态一致的预定顺序接收线路的数据位置。