the text editor - oakland universityllamocca/courses/ece378/...the text editor andrew glenn, aaron...

The Text Editor ANDREW GLENN, AARON BOENING, ANDREA TAYLOR, MCKENZIE WALSH

Brief DescriptionA Text Editor UART

PS2 Keyboard

VGA

Goal Mimic Typing Experience of a Simplified Word Processor

UARTUniversal Asynchronous Receiver/Transmitter A type of serial communication

Consists of a Receiving Block and Transmitting Block *Only a Receiving Block Was Used

UART Uses: Change the Background Color

Change Text Color

UARTQ = Black Background and Gold Text

W= Black Background and Green Text

E=Red Background and Green Text

R=Blue Background and Red Text

T=Yellow Background and Black Text

Y=Magenta Background and White Text

U=Green Background and Black Text

PS2 KeyboardSimilar to UART (Serial Communication) Synchronous

Data is Transferred and Keyboard is Powered Via USB Port

Input for Text

Sends Multiple Codes Make

Break

VGA/Output Grid System Tile Mapping

Assigned 1 Bit Per Color Red

Green

Blue

Displays Background Color and Text

FSM 1

FSM 2

Top Schematic

UART Top

Rx

Back (2:0)

Text (2:0)

Rx Done

Text To Screen Top

Back (2:0)

Text (2:0)

PS2C

PS2D

Rx En

RGB (2:0)

HSync

VSync

Reset

Rx

Clock

PS2D

PS2C

RGB (2:0

HSync

VSync

UART Schematic

Schematic 1

UART Receiver

Rx

STick Rx_Done Tick

DoutModulo M Counter

Q(8:0)

Max_Tick

FSMDin

DoneBack (2:0)

Text (2:0)

Back (2:0)

Text (2:0)

Rx Done Tick

Clock

Rx

Reset

VGA/PS2 Schematic

PS2 Receiver

PS2 D

PS2 C

PS2 Code

PS2 Code New

Key To Ascii

Key Code (7:0)

Ascii Code (7:0)

Text FSM

Data In (7:0)

Done

Data Out (7:0)

Carr

Move X Left

Move X Right

Move Y

Move Y Up

Submit

Text Screen Gen

Background (2:0)

Pixel X (9:0)

Pixel Y (9:0)

SW (6:0)

Text Color (2:0)

Move X Right

Move X Left

Move Y

Move Y Up

Ret

Submit

Video On

Text RGB (2:0)

VGA Sync

Pixel_X (9:0)

Pixel_Y (9:0)

HSync

PTick

Video On

VSync

FDE

D

CE

C

O

PS2 C

PS2 D

Clock

Background

Text Color

Res

et