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Show Bid Request

A Simple Calculator
Bid Request Id: 14843
Bookmark in my 'To Do' list
Posted by: Shannu (6 ratings)
(Software buyer rating 10)
Non-action Ratio: Above Average - 42.86%
Buyer Security Verifications: Unverified
Approved on: Apr 28, 2002
7:10:05 PM EDT
Bidding Closes: Apr 29, 2002
11:17:31 PM EDT
Viewed (by coders): 197 times
Deadline: 4/30/2002
TIME EXPIRED
Phase:
100% of work completed and accepted. Coder has been paid.
Max Accepted Bid: Bidding is closed
Project Type: Personal Project / Homework Help
Bidding Type: Open Auction
Categories: Other
Enter chat room for this bid request
(0 active users at Aug 17, 2003 7:45:07 AM EDT)

Description:
A Simple Calculator
Description and Requirements:
You are to write an assembly language program (based on the instruction set of the
Chapter 5 Basic Computer) to implement a 16-bit calculator that can perform addition or
subtraction. Your program will be stored in a plain text file and should execute on the
simulator that can be downloaded from the course web page.
Submission will include a design document/diagram and a fully documented assembly program.
The user input, via the INPR register, will be of the form
Operand1“´-”²ª›Operand2=
Example input sequences are:
2+4=
13-4=
23+132=
13-99=
So, the only valid ASCII characters allowed for input are the decimal digits (0,1, …
9), the plus sign (+), the minus sign (-), and the equal sign (=). Furthermore, the input
sequence must be a sequence one or more digits followed by the operation to be
performed (+ or -) followed by another sequence of one or more digits followed by the
equal sign. The input should be “echoed” to the output as it is entered so that the user can
see what they are typing on the output message box of the simulator.
If an input sequence is entered that does not satisfy the description above, then the
program should output the following message: InputErr. Furthermore, if the values of
the operands are too large to be stored in 16 bits, or if the resulting sum or difference
results in an overflow, then the following output message should be displayed:
Overflow. Assuming proper input, the sum or difference will of course be output to the
right of the equal sign.


Deliverables:
Complete and fully-functional working program(s) in executable form as well as complete source code of all work done.

Complete copyrights to all work purchased.


Platform:
should execute on the
simulator that can be downloaded.

Must be 100% finished and received by buyer on:
Apr 30, 2002 EDT
Deadline legal notes: All times are expressed in the time zone of the site EDT (UT - 5). If the buyer omitted a time, then the deadline is 11:59:59 PM EDT on the indicated date.

Special Conditions / Other:
Dead line :April 30 th (4.00 pm)
US central time.
"Assembly Language Program"
Details reg. the simulator will be given(will give a link from where u can download it.)



Additional Files:
This bid request includes IMPORTANT additional attached files. Please download and read fully before bidding.



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Bidding/Comments:
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See all rejected bids (and all comments)
Name   Bid Amount 
 
Date   Coder Rating  
This bid was accepted by the buyer!
hernest
(75 ratings)
in Baia Mare, Maramures
Romania
Bid id: 162,112
$30 (USD) Apr 28, 2002
8:29:24 PM EDT
 10
(Excellent)
   
hello ,

we are a team of ellite programmers.
You will have this project done in notime.
Trust us !

Victor
team manager
(see profile for vhernest)

 
 
 
 
  See 2 private reply(ies)
to/from hernest.
 




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