Index of all Fields and Methods

B

byteValue(). Method in class edsac.datatypes.Character

Return the value contained.

C

Character(). Constructor for class edsac.datatypes.Character

Constructor methods

Character(byte). Constructor for class edsac.datatypes.Character

Character(char). Constructor for class edsac.datatypes.Character

Convert a (unicode/ascii) char into an EDSAC character

Character(LongWord). Constructor for class edsac.datatypes.Character

Character(ShortWord). Constructor for class edsac.datatypes.Character

charValue(). Method in class edsac.datatypes.Character

Return the value contained.

CloseableFrame(String, Component). Constructor for class edsac.gui.CloseableFrame

ColouredLabel(Color, Color, String). Constructor for class edsac.gui.ColouredLabel

configFrame. Variable in class edsac.gui.Gui

ConfigGui(Image). Constructor for class edsac.gui.ConfigGui

Construct a GUI for the EDSAC Configuration window

conway. Static variable in class edsac.datatypes.Tapes

Crt(int, int, int). Constructor for class edsac.gui.Crt

Build a CRT with the specified number of bits, width in pixels, and columns to display the number given.

cubes. Static variable in class edsac.datatypes.Tapes

cycles. Variable in class edsac.kernel.Kernel

The number of cycles which have been executed.

D

delay. Variable in class edsac.kernel.Kernel

The delay between instructions.

destroy(). Method in class Edsac

Dial(Gui). Constructor for class edsac.gui.Dial

DownSection(Gui). Constructor for class edsac.gui.DownSection

drawAllDisplays(). Method in class edsac.gui.Gui

E

Edsac(). Constructor for class Edsac

F

fractValue(). Method in class edsac.datatypes.LongWord

Return the value as a fraction -1 < x < 1

fractValue(). Method in class edsac.datatypes.ShortWord

Return the value as a fraction -1 < x < 1

G

getAccumulator(). Method in class edsac.kernel.Kernel

getAddress(). Method in class edsac.datatypes.ShortWord

Return the address part of this ShortWord, interpreted as an instruction.

getGui(). Method in class edsac.gui.CloseableFrame

getMultiplicand(). Method in class edsac.kernel.Kernel

getMultiplier(). Method in class edsac.kernel.Kernel

getNext(). Method in class edsac.kernel.TapeReader

Read a character in.

getOpcode(). Method in class edsac.datatypes.ShortWord

Return the opcode part of this ShortWord, interpreted as an instruction.

getOrderCode(). Method in class edsac.kernel.Kernel

getSCR(). Method in class edsac.kernel.Kernel

getTank(int). Method in class edsac.kernel.Kernel

GUI access methods, for displaying those little flashing lights.

getText(). Method in class edsac.gui.InputGui

returns the contents of the Input Text Area

Gui(Kernel, TeleQueue, Image). Constructor for class edsac.gui.Gui

Builds GUI in one mega method

H

happy_birthday1. Static variable in class edsac.datatypes.Tapes

Happy 50th Birthday - Switch to Tank 2 and watch.

hello. Static variable in class edsac.datatypes.Tapes

This tape simply prints out "HI" on the teleprinter and runs under initial orders 2

I

increment(). Method in class edsac.datatypes.Address

Increment the address, returning the incremented value (Address itself is not mutable).

init(). Method in class Edsac

Sets up EDSAC applet

initialOrdersVersion. Variable in class edsac.gui.ConfigGui

inputFrame. Variable in class edsac.gui.Gui

InputGui(). Constructor for class edsac.gui.InputGui

intValue(). Method in class edsac.datatypes.Address

intValue(). Method in class edsac.datatypes.ShortWord

Return the value in an integer

isApplet. Variable in class Edsac

isInvalid(). Method in class edsac.datatypes.Character

Is the character invalid?

isLong(). Method in class edsac.datatypes.ShortWord

Return boolean to test if the command would refer to a long address

isLongOperation(). Method in class edsac.datatypes.ShortWord

Return whether this is an instruction dealing with LongWords

isRunning(). Method in class edsac.kernel.Kernel

Returns true if the processor is in free-running mode, and false otherwise.

K

Kernel(TeleQueue). Constructor for class edsac.kernel.Kernel

Constructor method.

L

longValue(). Method in class edsac.datatypes.LongWord

Return the value in a long

LongWord(). Constructor for class edsac.datatypes.LongWord

Constructor methods:

LongWord(Character). Constructor for class edsac.datatypes.LongWord

LongWord(long). Constructor for class edsac.datatypes.LongWord

LongWord(ShortWord). Constructor for class edsac.datatypes.LongWord

M

main(String[]). Static method in class Edsac

If used as a program, this loads a frame and then mimics an applet to load the GUI

MainMemoryTube(). Constructor for class edsac.gui.MainMemoryTube

Creates an empty main memory tank

mandelbrot. Static variable in class edsac.datatypes.Tapes

memoryClear(int). Method in class edsac.kernel.Kernel

MessageBox(String). Constructor for class edsac.gui.MessageBox

N

newShift(boolean). Method in class edsac.datatypes.Character

Returns a boolean for the new state of shift, after processing the current character.

O

outputFrame. Variable in class edsac.gui.Gui

OutputGui(TeleQueue). Constructor for class edsac.gui.OutputGui

oxo. Static variable in class edsac.datatypes.Tapes

P

paint(Graphics). Method in class edsac.gui.ConfigGui

paint(Graphics). Method in class edsac.gui.Crt

Controls drawing of CRT

paint(Graphics). Method in class Edsac

Paints backdrop

paint(Graphics). Method in class edsac.gui.Gui

primes. Static variable in class edsac.datatypes.Tapes

This Program Calculates prime numbers.

processWindowEvent(WindowEvent). Method in class edsac.gui.CloseableFrame

putChar(Character). Method in class edsac.kernel.Teletype

Print a character to tape

R

read(). Method in class edsac.gui.TeleQueue

----------------------------------------------------------------------------- Method: read reads one Edsac Character from the queue returns Edsac Character value from queue

ResetSection(Gui). Constructor for class edsac.gui.ResetSection

restart(int). Method in class edsac.kernel.Kernel

Clear memory, create a new processor.

run(). Method in class edsac.kernel.Kernel

Execute continuously until interrupted

S

setInputTape(String). Method in class edsac.kernel.Kernel

Set the tape that is read from.

setMemory(boolean[][]). Method in class edsac.gui.MainMemoryTube

Updates the contents of the Crt lines

setNumber(boolean[]). Method in class edsac.gui.Crt

Sets the number to be displayed on the Crt and refreshes the display

setTankNumber(int). Method in class edsac.gui.Gui

Sets the number of the tank on display so that the correct one can be fetched from memory

setTape(String). Method in class edsac.kernel.TapeReader

Set the string being used.

ShortWord(). Constructor for class edsac.datatypes.ShortWord

Constructor methods

ShortWord(Character). Constructor for class edsac.datatypes.ShortWord

ShortWord(Character, boolean). Constructor for class edsac.datatypes.ShortWord

ShortWord(long). Constructor for class edsac.datatypes.ShortWord

ShortWord(LongWord). Constructor for class edsac.datatypes.ShortWord

SingleEpSection(Gui). Constructor for class edsac.gui.SingleEpSection

singleStep(). Method in class edsac.kernel.Kernel

Do a single step

squares. Static variable in class edsac.datatypes.Tapes

This is the tape to calculate the square numbers.

startFreeRun(). Method in class edsac.kernel.Kernel

Start free running

StartSection(Gui). Constructor for class edsac.gui.StartSection

stopFreeRun(). Method in class edsac.kernel.Kernel

Stop free running

StopSection(Gui). Constructor for class edsac.gui.StopSection

T

TapeReader(String). Constructor for class edsac.kernel.TapeReader

Constructor method

Tapes(). Constructor for class edsac.datatypes.Tapes

TeleQueue(). Constructor for class edsac.gui.TeleQueue

----------------------------------------------------------------------------- Constructor initialise data array, count and indexes

Teletype(TeleQueue). Constructor for class edsac.kernel.Teletype

Constructor method, taking a queue.

toString(). Method in class edsac.datatypes.Address

Display information on the contents

toString(). Method in class edsac.datatypes.Character

Return the EDSAC perferator character associated with the number.

toString(). Method in class edsac.datatypes.LongWord

Display information on the contents

toString(). Method in class edsac.datatypes.ShortWord

Display information on the contents

toString(boolean). Method in class edsac.datatypes.Character

Return the letter or number on the teleprinter associated with this Character.

U

updateDialAcc(int). Method in class edsac.kernel.Kernel

UpSection(Gui). Constructor for class edsac.gui.UpSection

W

whyStopped. Variable in class edsac.kernel.Kernel

The reason for the last stop.

write(Character). Method in class edsac.gui.TeleQueue

----------------------------------------------------------------------------- Method: write writes one Edsac Character value into the queue