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As a pre-lab exercise, prepare the following C-language subroutines. PROTOTYPE: int readxy( int x, int y); DESCRIPTION: Returns the 16-bit RGB color from the pixel (x,y) on the VGA Display PROTOTYPE: void writexy( int x, int y, int rgb ); DESCRIPTION: Writes the 16-bit color rgb to the pixel (x,y) on the VGA Display PROTOTYPE: int intensity( int pixel); DESCRIPTION: Returns a 5-bit intensity value given a 16-bit VGA pixel color. where intensity (red + green + blue)/3; Use only the 5 most significant bits from the 6-bit green component. PROTOTYPE: void waitonPB0 ( void ); Waits for a keypress (falling edge) on PB0. (0-pressed - checked). DESCRIPTION: Provides a user prompt on the Terminal window so that it does not appear that the calling program has stopped when this function is invoked.

As a pre-lab exercise, prepare the following C-language subroutines. PROTOTYPE: int readxy( int x, int y); DESCRIPTION: Returns the 16-bit RGB color from the pixel (x,y) on the VGA Display PROTOTYPE: void writexy( int x, int y, int rgb ); DESCRIPTION: Writes the 16-bit color rgb to the pixel (x,y) on the VGA Display PROTOTYPE: int intensity( int pixel); DESCRIPTION: Returns a 5-bit intensity value given a 16-bit VGA pixel color. where intensity (red + green + blue)/3; Use only the 5 most significant bits from the 6-bit green component. PROTOTYPE: void waitonPB0 ( void ); Waits for a keypress (falling edge) on PB0. (0-pressed - checked). DESCRIPTION: Provides a user prompt on the Terminal window so that it does not appear that the calling program has stopped when this function is invoked.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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As a pre-lab exercise, prepare the following C-language subroutines. PROTOTYPE: int readxy( int x, int y); DESCRIPTION: Returns the 16-bit RGB color from the pixel (x,y) on the VGA Display PROTOTYPE: void writexy( int x, int y, int rgb ); DESCRIPTION: Writes the 16-bit color rgb to the pixel (x,y) on the VGA Display PROTOTYPE: int intensity(int pixel ); Returns a 5-bit intensity value given a 16-bit VGA pixel color. DESCRIPTION: where intensity = (red + green + blue)/3; Use only the 5 most significant bits from the 6-bit green component. PROTOTYPE: void waitonPB0 ( void ); Waits for a keypress (falling edge) on PB0. (0= pressed = checked). DESCRIPTION: Provides a user prompt on the Terminal window so that it does not appear that the calling program has stopped when this function is invoked.
Transcribed Image Text:As a pre-lab exercise, prepare the following C-language subroutines. PROTOTYPE: int readxy( int x, int y); DESCRIPTION: Returns the 16-bit RGB color from the pixel (x,y) on the VGA Display PROTOTYPE: void writexy( int x, int y, int rgb ); DESCRIPTION: Writes the 16-bit color rgb to the pixel (x,y) on the VGA Display PROTOTYPE: int intensity(int pixel ); Returns a 5-bit intensity value given a 16-bit VGA pixel color. DESCRIPTION: where intensity = (red + green + blue)/3; Use only the 5 most significant bits from the 6-bit green component. PROTOTYPE: void waitonPB0 ( void ); Waits for a keypress (falling edge) on PB0. (0= pressed = checked). DESCRIPTION: Provides a user prompt on the Terminal window so that it does not appear that the calling program has stopped when this function is invoked.
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