Description
Purpose: Learn to use arithmetic instructions, control instructions, compare instructions, and
conditional jump instructions.
Points: 80
Assignment:
Write a simple assembly language program to calculate some
geometric information for each rectangular solid (see diagram
to the right). Specifically, the program will find the volume
and surface area for each of the rectangular solid in a set of
rectangular solids.
Once the values are computed, the program should find the
minimum, maximum, estimated median, sum, and average for
the volumes and surface areas.
volumes[ n] = lengths[n] × heights[ n] × widths[ n]
surfaceAreas[ n] = 2 × lengths[ n] × widths[ n] + 2 × lengths[ n] × heights[ n]
+ 2 × widths[ n] × heights[n]
Since the list is not sorted, we will estimate the median value. Since the list length is odd, the
estimated median will be computed by summing the first, last, and middle values and then dividing by
3.
Do not change the sizes/types of the provided data sets. All data is signed. As such, the IDIV/IMUL
would be used (not DIV/MUL). Also, CDW/CWD/CDQ must be used (as they are for signed data).
The JG/JGE/JL/JLE must be used (as they are for signed data). Of course, these are alternate
dimension rectangular solids that allow negative dimensions.
There is no provided main. Create the program source file based on the previous assignments. You
may declare additional variables as needed.
Hints:
Pay close attention to the data types. The
lengths[] array is double-word sized (4 bytes
each), the widths[] array (2 bytes each) is word
sized, the heights[] array (1 byte each) is byte
sized, the volumes[] array is double-word sized
and the the surfaceAreas[] array is double-word
sized.
Consider completing the volumes calculations
before attempting the surface area calculations.
Submission:
• All source files must assemble and execute on Ubuntu with yasm.
• Submit source files
◦ Submit a copy of the program source file via the on-line submission
• Once you submit, the system will score the project and provide feedback.
◦ If you do not get full score, you can (and should) correct and resubmit.
◦ You can re-submit an unlimited number of times before the due date/time.
• Late submissions will be accepted for a period of 24 hours after the due date/time for any given
assignment. Late submissions will be subject to a ~2% reduction in points per an hour late. If
you submit 1 minute – 1 hour late -2%, 1-2 hours late -4%, … , 23-24 hours late -50%. This
means after 24 hours late submissions will receive an automatic 0.
Program Header Block
All source files must include your name, section number, assignment, NSHE number, and program
description. The required format is as follows:
; Name:
; NSHE ID:
; Section:
; Description:
Failure to include your name in this format will result in a loss of up to 10%.
Scoring Rubric
Scoring will include functionality, code quality, and documentation. Below is a summary of the
scoring rubric for this assignment.
Criteria Weight Summary
Assemble – Failure to assemble will result in a score
of 0.
Program Header 5% Must include header block in the
required format (see above).
General Comments 10% Must include an appropriate level of
program documentation.
Program Functionality
(and on-time)
85% Program must meet the functional
requirements as outlined in the
assignment. Must be submitted on time
for full score.
Assignment #5 Provided Data Set:
Use the following data declarations for assignment #5. Note, the assembler is case sensitive.
; Provided Data
lengths dd 1355, 1037, 1123, 1024, 1453
dd 1115, 1135, 1123, 1123, 1123
dd 1254, 1454, 1152, 1164, 1542
dd -1353, 1457, 1182, -1142, 1354
dd 1364, 1134, 1154, 1344, 1142
dd 1173, -1543, -1151, 1352, -1434
dd 1134, 2134, 1156, 1134, 1142
dd 1267, 1104, 1134, 1246, 1123
dd 1134, -1161, 1176, 1157, -1142
dd -1153, 1193, 1184, 1142
widths dw 367, 316, 542, 240, 677
dw 635, 426, 820, 146, -333
dw 317, -115, 226, 140, 565
dw 871, 614, 218, 313, 422
dw -119, 215, -525, -712, 441
dw -622, -731, -729, 615, 724
dw 217, -224, 580, 147, 324
dw 425, 816, 262, -718, 192
dw -432, 235, 764, -615, 310
dw 765, 954, -967, 515
heights db 42, 21, 56, 27, 35
db -27, 82, 65, 55, 35
db -25, -19, -34, -15, 67
db 15, 61, 35, 56, 53
db -32, 35, 64, 15, -10
db 65, 54, -27, 15, 56
db 92, -25, 25, 12, 25
db -17, 98, -77, 75, 34
db 23, 83, -73, 50, 15
db 35, 25, 18, 13
count dd 49
vMin dd 0
vEstMed dd 0
vMax dd 0
vSum dd 0
vAve dd 0
saMin dd 0
saEstMed dd 0
saMax dd 0
saSum dd 0
saAve dd 0
; ————————————————————–
; Uninitialized data
section .bss
volumes resd 49
surfaceAreas resd 49
Note, the “.bss” section is for uninitialized data. The “resd” is for reserve double-words.
