Intel 8085 Calculator [French][English]

Intel 8085 Calculator [French][English]


hi everybody. Today I will show you my Intel MCS 85 board Which is a system design kit board on the 8085 So, i will show you two little programs about making hexa and decimal additions And, how to program them. Here we have to RAM of 256 bytes with I/O that we can connect here Here we have one ROM With I/O to And finaly the 8085 CPU Here we have A intel chip (8279) which is used to control the keyboard/7seg screen Now i will show you my first prog This is an hexadecimal adder for exemple 1+1=2, 2+2=4 F+F=1E You can use a Casio calc to check the result We can also do other value like 9+9=12 Voilà, it work with all hexa values Here is my prog for the decimal adder don’t try to add letters. it is going to make errors Voilà. Ah! little error…. Now, i will show you how to program into the 8085 CPU let’s go First calc, the one who add hexa values to do a new prog we are going to go to “SUBST MEM” and we are going to enter “2000” this is the beginnig point of our prog. Next here we have the value which is in the memorie “case” 2000 here we are going to put our prog. Do “EXEC” to finish the prog And now press “GO” and enter “2000” which is the first “case” of our prog And now press “EXEC” 6+6=0C F+F=1E, 6+6=0C 5+5=0A So, it work! Now i will show you the same prog but with decimal numbers let’s go “SUBST MEM” goto 2000 the begining of the prog is the same And here we change value let’s go… Nice, it works I hope that You enjoyed my little video You can comment the video=)

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