How To Use keil uVision 4 IDE - Project Setup, Debug And Simulation

In this tutorial i am going to show you how to setup your project  in Keil for 8051 (AT89s51) to simulate and debug your code. This is one of the most important tutorial for beginner who just start learning 8051. Because Keil is the best IDE to compile,debug and simulate your program.
 And most of 8051 programmer you this tool so you get lot of help about this on internet.
In this tutorial i use Keil v4.0 but it is same for all version or you can download lates trail version from here

Step 1: Keil Setup and Detail 

your IDE looks like this and if not then you can select following option in view tab as shown in second image

Step 2: Project setup

To setup your project click on Project tab >> New uVision Project >> a dialog box is open
Then make a new folder(myproject) so your all files of this project not mix with other project files  >> open that folder
Choose a Project name ( myproject )

Step 3: Select Target Device

After saving your file this new window open to select you CPU

Now select you CPU (here i use  AT89s51)

expand Atmel >> and select AT89s51 (or which you use) >> click OK

Step 4: Target setup

Right click on Target Group >> and select Option for Target

A dialog box open as shown in below image
Change the setting as shown in Red Area (for Target and Output )

Step 5: Writing Code

Now make a new file and save it with .asm extension (myproject.asm)
and put this test code in file and save

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

                Test Program In Assembly

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

$mod51
         ORG 0000H 
MAIN:    MOV P1,#55H
         ACALL DELAY
         MOV P1,#0AAH
         SJMP MAIN

DELAY:  MOV R0,#10H
LOOP:   MOV R1,#0FFH
LOOP1:  DJNZ R1,LOOP1
        DJNZ R0,LOOP
        RET
        END
 
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Now build you code to debug and find error

Step 6: Debug and Simulate

Now click on Debug Tab and then Select port 1 form Peripherals Tab

Now click on Over Step button or press F10 to simulate your code

In this image you can see that check box in port 1 are change when i press F10. so our code is correct and working properly. this tutorial use assembly but if you want to use  C language then dont worry ever thing remain same.

I hope you like this tutorial and if you facing problem in multisim, ultiboard or keil please leave comment

please share and give +1 if you like this tutorial and follow us.