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8085 Microprocessor Training Kit User's Manual Wichit Sirichote, [email protected] Rev3.0, March 29, 2015. Lab manual (v sem ece) page 2 microprocessor and interfacing lab list of experiments v sem.(ece, cse, it,bme) s.no. Name of the experiment page no. 1 study architecture of 8085 & 8086 and familiarization with its hardware, commands & operation of microprocessor kit. 3 2 write a program using 8085 & verify for. Microprocessor 8085 Lab Manual Mc68020 32-Bit Microprocessor User's Manual Art Lab for Kids: 52 Creative Adventures in Drawing, Painting, Printmaking, Paper, and Mixed Media-For Budding Artists (Lab Series) The Home Lab: A Photo Guide for Anatomy Lab Materials Lab Values: 63 Must. The ISIS-II User's GUide describes the use of the text editor for entering and maintaining programs. The manual also describes the procedures for linking and locating reloc Itable program modules. Hardware Referencs For addition21 information about processors and their related components, refer to the appropriate User's Manual. An on-board logic probe, single bus cycle execution mode, and the practical, hands-on approach of the courseware guide students in the analysis and troubleshooting of 32-bit microprocessor systems. The circuit board may be used in the FACET base unit or as a stand-alone trainer.
In our experiments we used Micro 85 EB trainer kit from Vi Micro systems. The steps involved in doing programs in trainer kit are summarized below.
1.Writethe program
2.Prepare the hex code of the program
3.Enter the hex code to trainer kit in suitable locations(eg:From 4100 H)
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4.Give sufficient data for program in data memory(eg:From 4200 H)
5.Run the program
6.Check for output
The programming procedureis explained through an example. Consider the case of addition of two 8 bit numbers.
1.WRITE THE PROGRAM
MV1 C,00
LDA 4200
MOV B,A
LDA 4201
ADD B
JNC LABEL1
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INRC
LABEL1:STA 4202
MOV A,C
STA 4203
HLT
2.PREPARE HEX CODE OF THE PROGRAM
Hex code is preparing in accordance with the Intel Hex file format.The hex code table is given below.Each instruction has a hex code. Consider the instruction ADD B.From the hex file format the corresponding hex code is 80.
Consider STA 4203 .The firstlocation should contain the hex code of STA. That is32.Next location should contain the LSB of 4203, that is 03.The next location should contain the MSB of the address,that is 42.
The hex code table is given below
The hex code of the above program is given below.
LABEL | ADDRESS | MNEMONIC | CODE | COMMENT |
LABEL1 | 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 410A 410B 410C 410D 410E 410F 4110 4111 4112 4113 4114 4115 | MVI C,00 – LDA 4200 – – MOV B,A LDA 4201 – ADD B JNC LABEL1 – – INR C STA 4202 – – MOV A,C STA 4203 – – HLT | 0E 00 3A 00 42 47 3A 01 42 D2 0E 41 0C 32 02 42 79 32 03 42 76 | Write the meaning of each instruction in this column |
3.ENTER THE HEX CODE TO THE TRAINER
The obtained hex code now can be enteredto the trainer. Assume the program is entering from location 4100. Now to enter the code,pressSUB key +4100+NEXTkey. Now the location will be 4100. Now start entering the program. After entering each code press the NEXT key to get the next location.
4.ENTER SUFFICIENT DATA
In the above program thetwo numberswhich are to be added are to be supplied. Supposethe data memory is from locations 4200.To writedatapressSUB key +4200+NEXTkey . Now the address will be 4200.Enter the first data in 4200.Now press NEXT key to get the next location .
5.EXCECUTE THE PROGRAM
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Assume the program is from location 4100 and data memory is from 4200.Then the command to execute the program is SUB key+4100+EXEC key. Now therewill be an E symbol on the display . This indicates the running of program.
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6. CHECKING DATA MEMORY FOR RESULTS
Afterfew seconds the running is stopping by an interrupt . Then the data memory can be read t get the result of running by theSUB key +4200+NEXTkey. In our exampleassume the input numbers are 05 and 04 .The output after running the program is given below.
ADDRESSES | DATA | INPUT/OUTPUT |
4200 | 05 | Input |
4201 | 04 | Input |
4202 | 09 | Output |
4203 | 00 | Output |