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What is the different between LXI and LHLD in 8085?
LHLD 2050 Means..copy content of 2050 and 2051 to HL pair
if
2050 -> 90H
2051->5AH
LHLD 2050 implies..
L -> 90H
H -> 5AH
LXI means..Load Register Pair with Immediate data.. 16bit data
LXI B ,2050H
Loads BC pair with value 2050H
B-> 20H
C-> 50H
Its similar to 2 MVI instruction
ie
MVI H,20H
MVI L,50H
which eventually implies..HL -> 2050H
the advantage of LXI over MVI is that LXI is 3 byte and requires 10T states.Two MVI instruction is 4Byte and require 14Tstates...
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Program to find the Square root of a number using 8085?
Lxi h,c050mov a,mmvi b,01mvi c,00l2:sub bjc l1inr cinr binr bjmp l2l1:mov a,csta c060hlt
Program to find whether a number is positive and negative in 8085 microprocesser?
Oh, dude, to find out if a number is positive or negative on an 8085 microprocessor, you can use the sign flag (SF) in the flags register. If the sign flag is set, it means the number is negative. So, like, just check if the SF is 1, and you've got your answer. Easy peasy lemon squeezy!
What does CMLXI stand for?
CM LXI is a representation of the number 961 in Roman system of numerals.... Explanation: I - 1 V- 5 X- 10 L- 50 C- 100 D- 500 M- 1000 CM- represents 900 ( 1000-100 ) LX- represents 60 ( 50+ 10 ) I - represents 1. therefore, CMLXI represents ( 900+60+1 ) 961.............
