hi
am write my PIC program an need to simulate it because am dont have
the programmer(loader),is there any simulation software to do that
my PIC is 16f877a

 

You could try MPSIM from Microchip. Do you write in assembler or C?

 

Try this - http://wareseeker.com/download/proteus-vsm-5.2.04.rar/363703 It not only simulates your code, but I simulates your entire circuit! And it's free...
~Vicktor

 

am programming in micro basic