Microcomputer register bank accessing

Details Microcomputer register bank accessing Microcomputer register bank accessing

1985-08-02

1992-03-03

Shaw, Gareth D.

Boots, shoes, and leggings

364254, 3642542, 3642551, 3642558, 3642562, 364261, 3642612, 364DIG1, G06F 1200, G06F 1206

Patent

active

050937839

ABSTRACT:
The microcomputer has a plurality of register banks, each having a plurality of registers for containing data therein, a bank address register for holding the address of one of the register banks to be accessed and an access control circuit responsive to a bank address signal for putting one of said register banks in accessible condition. Part of the instruction code is utilized to modify the output of the bank address register during a portion of the execution cycle to permit single instruction transfer or arithmetic operations between plural memory banks.

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