Tag: ADC

Bentium Pro adder with carry in circuit highlighted.

Adding ADC, SBC, INC & DEC Operations To Ben Eater’s ALU

0 commentsBentium ProTTL ComputersADCADDAdderAdditionCarryDECDecrementINCIncrementMathsSBCSUBSubtraction

The ALU on Ben Eater’s original Bentium 8-bit computer has two operations: add (ADD) and subtract (SUB). This gives his design the ability to add and subtract 8-bit numbers. But if you want to add or subtract larger numbers then you need more than 8 bits. You could do this by expanding to a 16-bit ….  Read More