Subtract contents of memory and borrow from accumulator, Electrical Engineering

Subtract Contents of Memory and Borrow from Accumulator

The contents of the  memory  pointed  by the HL register  pair  and the borrow  flag are subtracted from the  contents of the accumulator  and the  result is  stored in the  accumulator. The instruction  format is

SBBB M                               ( A- A-( HL) + Borrow)

 

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