Shri vishnu engineering college for women:: bhimavaram department of information technology



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ITIIBTechIISemLecCOA
0910-ComputerSystemOverview02
Get the next instruction Add 1 to the control address register.

Jump to anew routine based on a jump microinstruction: Load the address field of the control buffer register into the control address register.

Jump to a machine instruction routine Load the control address register based on the opcode in the IR. Figure 5.4 shows two modules labeled decoder. The upper decoder translates the opcode of the IR into a control memory address. The lower decoder is not used for horizontal microinstructions but is used for vertical

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