ELECTRONIC SHOOTING GAME

MINI PROJECT BASED ON 8085 MICROPROCESSOR

EC-316

Submitted by—

AKSHAY S 21/EC/13

ECE— 1

INDEX

SNO. TOPIC

1. Synopsis

2. Acknowledgement

3. Block diagram

4. Components used

5. Tools used

6. Flow chart

7. Schematic diagram

8. Board Layout

9. Top side view

10. Solder side view and circuit diagram of LDR.

11. Code

12. Conclusion

13. Bibliography

SYNOPSISAIM: To make an electronic shooting game using 8085.

Been to a fair? Must have tried your hands on shooting balloons? Because that’s precisely what we are trying to implement here. Using an

8085 microprocessor we wish to implement a “gun”. The gun when triggered will flash a laser for a short time as an indication of bullet fired. And when it

strikes a board with attached light dependent resistors will turn off the corresponding LED attached to it. But that’s not all! We also plan on

attaching a buzzer to indicate the sound of bullet, and also a counter to display the amount of the bullets you have left to fire!

ACKNOWLEDGEMENT

I would like to thank Professor Dhananjay V. Gadre who really helped me in understanding all the theoretical concepts and related activities time to time and helped me in with its practical implementation. I would like to

thank him for his guidance, and for providing me the opportunity and resources to realize this project. Furthermore he instilled me with

enthusiasm to more forward while correcting me of my mistakes from the project.

I would like to thank my classmates – Gaurav Tyagi, Ankush, Abhishek Pandey, Abhishek Kapoor, and others who worked with me and helped at

each and every point of time I needed help and assistance.

We're always obliged to thank our friends and family for a constant support in times of adversities. This project was definitely a milestone in our

career and we learnt a lot more than just electronics, values of hard work and team work.

BLOCK DAIGRAM

COMPONENTS USED

1. Intel 80852. ROM – ATMEL 28C256 (32K)3. RAM – 62256P4. LATCH – 74HCT5735. DECODER – 74HCT1386. NOT GATE – 74HCT047. NOR GATE – 74HCT028. LASER DIODE9. BUZZER10. 7 SEGMENT11. BUFFER – 74HCT24412. OMRON SWITCH (40XX AND 10XX)13. CRYSTAL 4MHz14. NPN TRANSISTORS – BC54715. USB16. LED 5mm – RED17. MALE CONNECTORES18. RESISTORS (100,330,1K,10K,100K)19. CAPACITORS (22pf, 0.1uf,100uf)

TOOLS USEDSoftware tools

1. EAGLE 7.3.0 – for schematic and board layout

2. 8085 Simulator IDE by OshonSoft

3. EEPROM programmer software.

Hardware Tools

1. Soldering Iron

2. Solder

3. Multimeter

4. +5V DC Power Supply

5. EEPROM Programmer.

6. Cutter, Tweezer, Hand Files, etc.

FLOW CHART

SCHEMATIC

BOARD LAYOUT

TOP SIDE

BOTTOM SIDE

LDR CIRCUIT

CODE MVI A,E6 OUT 28 MVI A,00 OUT 30 CALL CHECK MVI A,FF OUT 28 MVI A,03 OUT 30

CALL DELAY MVI A,00 OUT 30 CALL CHECK MVI A,E0 OUT 28 MVI A,03 OUT 30

CALL DELAY MVI A,00 OUT 30 CALL CHECK MVI A,BE OUT 28 MVI A,03 OUT 30

CALL DELAY MVI A,00 OUT 30 CALL CHECK MVI A,B6 OUT 28 MVI A,03 OUT 30

CALL DELAY MVI A,00 OUT 30 CALL CHECK MVI A,66 OUT 28 MVI A,03 OUT 30

CALL DELAY MVI A,00 OUT 30 CALL CHECK

MVI A,F2 OUT 28 MVI A,03 OUT 30

CALL CHECKMVI A,DChOUT 28hMVI A ,03hOUT 30hCALL DELAYMVI A ,00hOUT 30h

CALL CHECKMVI A ,60hOUT 28hMVI A ,03hOUT 30hCALL DELAYMVI A ,00hOUT 30h

CALL CHECKMVI A, 00hOUT 28hMVI A ,03hOUT 30hCALL DELAYMVI A ,00hOUT 30h

CHECK: IN 18hANI 01hJZ CHECKRETDELAY:

MVI B,C3DELAYLoop1:

MVI C,30DELAYLoop2:

MVI D,4BDELAYLoop3:

DCR D JNZ DELAYLoop3 DCR C JNZ DELAYLoop2

DCR B JNZ DELAYLoop1 RET

CONCLUSION

Doing this project was one of the most memorable and enriching experience. We thank Prof. Gadre for such an opportunity to test our knowledge in practical application.

BIBLIOGRAPHY

1. Microprocessor architecture, programming, and application with the 8085 by Ramesh Gaonkar.

2. Datasheets – www.alldatasheet.com, www.ti.com and https://www.sparkfun.com.

3. The 8085 Microprocessor: Architecture, Programming and Interfacing Author: K.Udaya.