ICS 312 TA Homepage Fall 2009

General Information

TA:Jade Cheng  成玉  (yucheng@hawaii.edu)
Instructor:David Pager (pager@hawaii.edu)
Course:Machine-Level and Systems Programming
TA Office:POST Building Room 303-3 (cubicle 3)
TA Hours:Tuesday 11:00 to 12:00
Thursday 11:00 to 12:00

Course Requirements


Homework Assignments

If you do not complete homework assignments sufficently, you would automatically fail the course. Otherwise, homework does not affect your grades. Homework submissions will be recorded and posted on this site using the student codes provided by the TA.

Please submit your homework assignments by 11:59 pm on the posted due date. Homework received on time will receive 10 points. One point will be deducted for late submissions. After one week homework will not be accepted.

To facilitate the grading process, please try to follow the following guidelines when submitting assignments.

  1. Email submissions

    Assignments should be submitted via email using your UH UNIX email account. The TA will not accept any other form of submissions.

  2. “To” field of email

    Assignments should be submitted to yucheng@hawaii.edu. Please do not send the assignments to the professor.

  3. “Cc” field of e-mail

    Please cc the email to youself. That way, if the TA doesn’t get your email for some reason, you have proof that it was sent.

  4. Subject of email

    Please use the following pattern for the subject of your email.

    [312] homework number

    For example: [312] homework 1

  5. Body of email

    Please copy and paste the contents of the homework in the email body. That way, the TA will receive your work even if the attachment is rejected.

  6. Attachments

    Plain text files are preferred. PDF, JPG, and PNG files are also accepted. Please do not send Microsoft Office documents.

  7. Multiple submissions

    You may submit an assignment more than one time. Only the most recent assignment submitted will be evaluated.


The grades for homework assignments, programming projects, in-class quizzes, and the exams will be posted using the student codes provided by the TA. If you lose or forget your code, please contact the TA.

Click your student ID to view your grades.

Homework and Quiz Solutions

The solutions of some of the homework assignments and the in-class quizzes will be posted in this section. Since late submmisions are allowed, the solutions will not be available until a couple of weeks after the due date.


;; This program evaluates the volume of a sphere for an inputted radius.  The
;; volume of a sphere with radius r is given by 4/3*pi*r3 .  
            include pcmac.inc
            .model         small
            .stack  100
four        dd  4.0
three       dd  3.0
prompt      db  0dh, 0ah, 'Enter the radius: $'
result      db  0dh, 0ah, 'The volume of the sphere is: $'
prog    proc
        extrn       getfp : near
        extrn       putfp : near
        mov         ax, @data
        mov         ds, ax

        _putstr     prompt
        call        getfp           ; st0 = r
        fld         st              ; st0 = r, st1 = r
        fld         st              ; st0 = r, st1 = r, st2 = r
        fmul                        ; st0 = r^2, st1 = r
        fmul                        ; st0 = r^3
        fldpi                       ; st0 = pi, st1 = r^3
        fmul                        ; st0 = pi * r^3
        fld         four            ; st0 = 4.0, st1 = pi * r^3
        fmul                        ; st0 = 4.0 * pi * r^3
        fld         three           ; st0 = 3.0, st1 = 4.0 * pi * r^3
        fdiv                        ; st0 = 4.0 * pi * r^3 / 3.0
        _putstr     result
        call        putfp           ; pops fp stack and display st0
        _putch      0ah             ; prints a blank line

        mov         al, 0           ; return code of 0
        mov         ah, 4ch         ; function code for exit to os
        int         21h
prog    endp
        end         prog


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