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cmp compare instruction this instruction is used to compare the contents of register or memory with accumulator the contents of the
cma complement accumulator instructioncomplement the contents of the accumulator i e the accumulator al once are converted
masking as we know the masj is used to cover some part of our face which we want to hide and to show other part
ani and immediate with accumulator instruction 8 bit data specified in the instruction is logically and with the contents
logically and the contents of memorycontents of memory location whose address is specified by hl register pair are logically and with the
logically and the contents of register contents of register are logically and with the accumulator bit wise the result of the and
ana logical and with accumulator instruction this instruction is used to logically and the accumulator of any register or memory
logical operations various operations like and or exclusive or complement compare and rotate are called logical operations
daa decimal adjust accumulator instruction this instruction adjusts the contents of the accumulator into bdc binary coded decimal
ins increment register pair instruction contents of the registers pair rp will be incremented by one and the result will be
decrement contents of register the contents of register r will be decremented by one and the result is stored in the same
dcr decrement instruction this instruction is used to decrement the contents of any register or memory location by one there are
increment contents of registercontent of register are incremented by one and the results is stored in the same
inr increment instructionthis instruction is used to increment the contents of any register or memory location by one
banking system is the collection of financial entities infrastructure and practices which support financial transactions system
a rectangular plate has two holes of dimensions shown and is released from the position shown the plate is hinged about a horizontal axis and can
sbi subtract immediate with borrow instruction this instruction is used to subtract 8 bit data and borrow from the
subtract contents of memory and borrow from accumulatorthe contents of the memory pointed by the hl register pair and the
subtract registers and borrow from accumulatorthe contents of the register and borrow flag are subtracted from the
sbb instruction this instruction is used to subtract the contents of register or memory location with carry flag from
sui subtract immediate i instructions the 8 bit data specified in the instruction is directly subtracted from the
zero flag since results is non zero in this example zero flag is
sign flag since d7 bit in the results is 0sign flag is reset this also shown that the results is
carry flag cy is reset as explained above in chapter 1 we have sen in the 2 complement methods of subtraction that the
sub subtract instructionthis instruction is used to subtract the contents of any register or memory location from the