Ancient Civilization Robot Program: Decoding Keystone Combinations - Prof. Andrew Ray | Lab Reports Computer Science

ITEC 120 Lab 24 and 26

Created'by'Dr.'Ray'

Reference links:

http://www.radford.edu/~aaray/Robot.java

http://www.radford.edu/~aaray/robotDoc/Robot.html

This'is'a'lab'that'will'take'two'weeks'to'finish,'will'count'for'two'lab'report'grades,'

and'will'also'count'as'a'homework'assignment'(all'members'of'your'group'will'

share'the'same'grade'unless'someone'does'not'adequately'participate'in'creating'

the'solution).'''

Your'group'will'need'to'demonstrate'that'your'program'works'by'the'end'of'the'

week'13'Thursday'lab,''or'you'will'get'a'0'for'both'lab'assignments'and'the'

homework'assignment.'

Problem 1: Treasure Hunter

The legendary archaeologist Dr. Jones has discovered a long lost civilization that left

several storehouses of treasure. The only problem is that ancient traps protect each

treasure room. In order to deactivate the traps, Dr. Jones theorizes that you place the

right amount of red, white, and black keystones on corresponding pedestals to deactivate

the trap. The skeletal remains of his predecessor point out that if you put the wrong

combination of stones on the pedestals, bad things happen.

In order to find the right combination of red, white, and black keystones the ancient

civilization left groups of red, black, and white tiles in their pyramids that contain the key

to determining the right number of red black and white keystones to use on the pedestal.

After long hours of studying, Dr. Jones has discovered the ancient civilization built what

we would call primitive computer programs to calculate the right number of red, white,

and black stones to put on each pedestal. Given the condition of the storehouses of

treasure and all of the traps the ancient civilization left, it is safer for a robot to determine

what the right number of stones to put on the pedestals should be instead of sending a

human to do it.

The ancient computer that runs the programs stores three integer values in memory. Each

value is referred to by color (red, white, or black) and start at 0 when the program begins.

These values can be printed (to indicate what to put on the pedestal), or can be

manipulated by different commands. The ancients also use a numbering scheme to

provide numeric values for each color. The color red stands for 1, the color black stands

for 2, and the color white stands for 3.

The programs that the ancients used consisted of using red, white, or black tiles in a

linear line. Depending on where the tiles are in the line, their meaning changes. Tiles

can be either action or informational. Tiles are approximately 1.8 inches tall and 8.5

inches wide.

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ITEC 120 Lab 24 and 26

Created by Dr. Ray Reference links: http://www.radford.edu/~aaray/Robot.java http://www.radford.edu/~aaray/robotDoc/Robot.html This is a lab that will take two weeks to finish, will count for two lab report grades, and will also count as a homework assignment (all members of your group will share the same grade unless someone does not adequately participate in creating the solution). Your group will need to demonstrate that your program works by the end of the week 13 Thursday lab, or you will get a 0 for both lab assignments and the homework assignment. Problem 1 : Treasure Hunter The legendary archaeologist Dr. Jones has discovered a long lost civilization that left several storehouses of treasure. The only problem is that ancient traps protect each treasure room. In order to deactivate the traps, Dr. Jones theorizes that you place the right amount of red, white, and black keystones on corresponding pedestals to deactivate the trap. The skeletal remains of his predecessor point out that if you put the wrong combination of stones on the pedestals, bad things happen. In order to find the right combination of red, white, and black keystones the ancient civilization left groups of red, black, and white tiles in their pyramids that contain the key to determining the right number of red black and white keystones to use on the pedestal. After long hours of studying, Dr. Jones has discovered the ancient civilization built what we would call primitive computer programs to calculate the right number of red, white, and black stones to put on each pedestal. Given the condition of the storehouses of treasure and all of the traps the ancient civilization left, it is safer for a robot to determine what the right number of stones to put on the pedestals should be instead of sending a human to do it. The ancient computer that runs the programs stores three integer values in memory. Each value is referred to by color (red, white, or black) and start at 0 when the program begins. These values can be printed (to indicate what to put on the pedestal), or can be manipulated by different commands. The ancients also use a numbering scheme to provide numeric values for each color. The color red stands for 1, the color black stands for 2, and the color white stands for 3. The programs that the ancients used consisted of using red, white, or black tiles in a linear line. Depending on where the tiles are in the line, their meaning changes. Tiles can be either action or informational. Tiles are approximately 1.8 inches tall and 8. inches wide.

Action tiles cause some change to happen in the program. For action tiles, white stands for update a value in memory, black stands for move, and red means perform a command. If an action tile is white, then the next two tiles will be informational tiles. You will store the value represented by the second informational tile in the memory slot represented by the first informational tile. Example white action tile sequence: White Store value Red Store in the red variable Black The value is 2 Figure 1. White action tile scenario If an action tile is red then it stands for perform a command. The next tile will be informational and will denote what command to apply. If the next tile is black, then print out the values of the variables for the computer and stop the program. If the next tile is red or white, then read in the next two tile colors. If the first of the three is red, then it is a multiply operation; if the first of the three is white then the operation is addition. The second tile represents what variable to add/multiply and where the result should be stored. The third tile gives the second operand to the addition or multiplication. Example red action tile sequence: Red Command Red Multiply White Variable 1 Black Variable 2 perform white = white*black Figure 2. Red action tile scenario If an action tile is black then it has one informational tile associated with it. That informational tile says which direction to move. If the informational tile is white then move back two tiles. If the informational tile is red, then move forward one tile. If it is black, then turn around. Example black action tile sequence: Black Command White Move backwards two tiles Figure 3. Black action tile scenario After each action tile and its related informational tiles, another action tile will be present. A program continues until the print command sequence is encountered (a red tile followed by a black tile).

Ancient Civilization Robot Program: Decoding Keystone Combinations - Prof. Andrew Ray, Lab Reports of Computer Science

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ITEC 120 Lab 24 and 26