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Project access type: Public
Working CPU with eight 8-bit registers and eleven commands. Instructions in the project, command list below.
LDA r - loads value from register r into accumulatorSTA r - stores accumulator value in register rCLR r - clears register rINC r - increments the value of register r and replaces into rDEC r - decrements the value of register r and replaces into rCOM r - stores the complement of the value in register r in the accumulatorADD r - adds value in register r to the accumulatorSUB r - subtracts accumulator value from value in register r, replaces into accumulatorAND r - stores value of (accumulator AND r) in accumulatorIOR r - stores value of (accumulator OR r) in accumulator [inclusive or]XOR r - stores value of (accumulator XOR r) in accumulator [exclusive or]
*Eight 8-bit registers: r must be a value between 0 and 7 and refers to the address of the register, not its contents*
Created: Aug 26, 2020
Updated: Apr 19, 2021