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basically8086 is separated into two part 1 biu 2 eu execution uniteufetch the instruction from queuememory6 byte in biu and implement it
the various flags are - sign flag axillary flag zero flag parity flag carry flag
what is the power of the signal transmitted by powerful cell phonesans the powerful cell phones can transfer a signal of 3 watts
the quality factor is also explained as q so it is a number which shows the lossness of a circuit higher the q the lower are the lossesthe quality
program counter holds the address of also the first byte of the next instruction to be fetched for implementation or the address of the next byte of
a bus is a collection of conducting lines that carriers data address amp control signalsa bus is two or many wire communication technique a bus which
process the rectangle symbol is used to represent the process operations as shown below mov a
input outputthe parallelogram symbol is used to represent the input output process as shown
three logic levels are used and they are high low high impedance state the high and low are normal logic levels amp high impedance state is
terminalthe oval symbol show below in indicate terminal of the program usually words like start begin stop end
algorithm pseudo code and flow charts algorithm before writing the program the programmer must understand the
8085 is a one address microprocessorin 8085 interrupts are classified by hardware and software interupts
assembly language programming in this chapter we will discuss programming in assembly language and
indirect addressing in this addressing mo e also ne of the operands is the stored in the memory the memory address of the
direct addressing in this addressing mode one of the operands is the data stored in the memory the memory address of
immediate addressing in this addressing mode that 816 bit data is specified in the instruction itself as its one of
register addressing in this mode the operand are microprocessors registers only i e the operations is performed within
trap has the maximum prioritythere are 2 types of interrupts external and internal nmi has highest priority between all external interruptstrap has
addressing model as we have learned already that each instruction has two parts one is op code and another is operand op
the five addressing modes are given belowimmediateregisterdirectimplied addressing modes register
sub instruction op code format is of sub instruction isreplace the three bit code of the register r from to obtain the op
there are total 12 interrupts in 8085 there are total 12 interrupts in 8085
add instruction op code format of add instruction isreplace the three bit code of the register r from to obtain the op code
the maximum clock frequency for 8085 is 3