Question

Neeed to write a marie Assembly lanquage program that Inputs a number and subtracts by one. It also It shows the output of every subtraction until 0. So it shows a countdown of the input untill Zero

so something like

5

4

3

2

1

0

some lines used will look like this:

Input

Subt one

one, DEC 1

Answer 1

Any qureies comment below

While,   Load   X   /Load address of X
   Store    X    /Store X  
   Output
   Subt   Ten   /Subtract ten
   Output
   Skipcond 000    /If value in AC is negative Skip next  
   Jump   End   /Otherwise, go to End
   Load    X   /Load initial value X
   Add   One   /Add one
   Store   X   /Store new X value
   Jump   While   /Jump to While loop
End,   Halt       /Terminate program      
X,   Dec   1  
Ten,   Dec   10
One,   Dec   1