VTech Alphabert s Magic Readport User Manual download pdf (Page 3)

BM Dept., Govt. Engg. College, Gandhinagar Page 3

INDEX

Sr.

No.

Name of Experiment Date Sign

Write a assembly language program to ….

•

Add two 8 bit numbers stored in register R6 and R7

•

Multiply two 8 bit numbers stored in register R6 and R7.

•

To find 1’s complement of number stored in register R0.

•

To perform AND operation between content of register R0 and

R1.

Write C language program to…

•

Read data from port P2 and P3. Add data and display result on

port P0. Glow LED connected at port pinP1.1 if carry flag set

after addition.

•

Read data from port P2 and P3. Multiply data and display result

on port P0 and P1.

•

Write program to read switch connected at port pin P1.0, toggle it

and send to port pin P1.1.

Write program to…

•

To add two sixteen bit numbers stored in DPTR and at memory

location 40h, 41h.Store result in DPTR.

•

Multiply two 16 bit numbers. Assume that first 16 bit number is

stored in register R6 and R7, Second 16 bit number is stored in

Write a program to…

•

Add block of data stored at location 40h to 45h.

•

Transfer block of data from the location 40h-4Fh to external

memory location 2000h-200Fh.

•

Arrange data stored at the location 40h-4Fh in ascending order.

Write a program to perform following…

•

Keep monitoring port pin P1.2 until it becomes high.

•

When P1.2 becomes high, write data 45h to port P0.

•

Send high to low pulse on pin P2.3.

Write a program to generate square wave of 50% duty cycle having

frequency 5 KHz at port pin P1.0 using timer 1 in mode 2. Modify program

to generate pulse waveform of 70% duty cycle using timer on the same pin.

Generate external interrupt INT0 and INT1 by connecting push button

switch. Glow LEDs connected at port 1 one by one when interrupt INT0

occurs. LEDs should flash when interrupt INT1 occurs.

1 2 3 4 5 6 7 8 ... 79 80

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VTech Alphabert s Magic Readport User Manual Page 3

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