Discussion in "8051 Discussion Forum" started by    xrxx    Apr 30, 2020.
Thu Apr 30 2020, 10:59 AM
#1
BCD MULTIPLICATION
Assume that you have to 2 BCD numbers in 2 registers/memory locations.
Write a subroutine to multiply these 2 numbers and put the result in a different register set/memory location. The maximum number can be 9801 (99*99=9801). So you need 2 bytes to store 4-BCD digits.
Execute your program in the simulator and get screenshots at several steps during the execution.
Put your code and screenhots in a zip file seperately and submit the zip file as name_surname_id_hw1.zip
SWAP is good instruction to switch lower and higher nibbles (4-bits) in A.
Repeat the steps we follow on the paper.

Guys, can u help me for this? pleaseeeee

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Sat Nov 28 2020, 03:26 PM
Hulda Mohr
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Thu Jun 11 2020, 06:27 AM
anudee
sir could please send the code for I2C and wifi interfacing with 8051
scena
Tue May 19 2020, 10:29 PM
Does anyone have microcontroller programming software for STC15F104W (core 8051, 4 k, 128 byte, 6 I/O pin, UART ... DIL8), that works?
Sat May 02 2020, 07:38 PM
Tamu Gurung
Hi I am looking for a assembly language program for a digital decimal counter. Time counts max limit of 2 mins starting from 2.00 mins and ending at 0.00. time is to be displayed on 4 7-segment LED displays. Edsim51 simulator to be used. Thanks
Wed Mar 25 2020, 01:39 PM
Tajammul
Sir kindly send the code file i2c for 8051

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