Detailed process from CPU fetching to sending control and microprogram control principle

Micro command register CMDR: Used to save every command taken from the microprogram

Micro address register CMAR: Used for storage will be integrated IR The opcode in + The first address of a microprogram generated by the status code

Control memory : There is a micro command stored in order on each line , Multiple micro commands make up a micro program

Instruction register IR: Used to store machine instructions obtained from memory

PS: Status conditions refer to 9.1 That line , A control signal is sent , then , The feedback status of the executed part is sent to the address transfer logical unit in some way .

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