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Basic Keil Tutorial

1. Open Keil from the Start menu

2. The Figure below shows the basic names of the windows referred in this document

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Starting a new Assembler Project

3. Select New Vision Project from the Project Menu.

4. Name the project Toggle5. Click on the Save Button.

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6. The device window will be displayed.7. Select the part you will be using to test

with. For now we will use the DallasSemiconductor part DS89C450.

8. Double Click on the Dallas Semiconductor.

9.10.

11.

Scroll down and select the DS89C450 PartClick OK

Choose No.

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Creating Source File

1. Click File Menu andselect New.

2. A new window willopen up in the Keil IDE.

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3. Copy the example to the Right into the new window. This file willtoggle Ports 1 and 2 with a delay.

4. Click on File menu and select SaveAs

ORG 0HMOV , #55H

AGAI N:MOV P1,MOV P2,ACALL DELAYCPL ASJ MP AGAI N

DELAY:MOV R3, #200

OUTER: MOV R2, #0255I NNER: DJ NZ R2, I NNER

DJ NZ R3, OUTERRET

END

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4. Change file type to Asm Sour ce File (*. a; *.src).5. Select toggle.a516. Click Addbutton

7. Click Close button.

8. Expand the Sour ce Gr oup 1in the Tree menu to ensure that the file

was added to the project

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Creating HEX for the Part

1. Click on Target 1 in Tree menu2. Click on Project Menu and select

Options for Target 1

3. Select Target Tab4. Change Xtal (Mhz) from 33.0 to

11.0592

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Testing Program in Debugger

1. Comment out line ACALLDELAY by placing a Semicolonat the beginning. This willallow you to see the portchange immediately.

2. Click on the File Menu andselect Save

3. Click on Project Menu and select Rebuild all Target Files

4. In the Build Window it should report 0 Errors (s), 0 Warnings

5. Click on Debug Menu and Select Start/Stop Debug Session.

6. If you use a free version of Keil the dialog appears. Click OK.

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Running the Keil Debugger

1. The Keil Debugger shouldbe now Running.

2. Click on Peripherals. Select I /O Port s, Select Port 1.

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3. A new window should port will pop up. This represent the Port andPins

4. Step through the code bypressing F11 on theKeyboard. The ParallelPort 1 Box should change asyou completely stepthrough the code.

5. To exit out, Click on Debug Menu and Select Start/Stop Debug Session