(C) Copyright Ogham 1987 Doodle Esc key: Return to Relax Menu | | Function Keys: | Alphabetic Keys: F1 Paint object | E Easy speed (extra slow) F2 Paint screen | S Slow speed F3 Pattern | F Fast speed F4 Swatch | V Very fast speed F5 Circle | M Medium resolution F6 Arc (angle +1 to +360 or -1 to -360) | H High resolution F7 Change background color (med res only) | P Pen up / Pen down F8 Change Palette/HiRes Color | C Color of pen F9 Increment NE SE SW NW by 15 degrees | O Output (save screen) F10 Screen caption | I Input (load screen) | A Angle for Turn Left/Right | | Turtle Tab key: | Tab left Turn Left | Turtle Keys: Tab right Turn Right | Up arrow North | Down arrow South Turtle Special Key: | Right arrow East Ins Homes the turtle. | Left arrow West | Home Northwest | PgUp Northeast | PgDn Southeast | End Southwest | Ins Center Note: Tab key is located on the second row to the left of the Q key. Tab left press and hold one of the Shift keys and press the tab key. Uppercase or Lowercase can be used for the alphabetic keys. screen NW-----------------North---------------NE | (Home) (up arrow) (PgUp) | | | | | | | (left arrow) West Center East (right arrow) | (Ins) | | | | | | (End) (down arrow) (PgDn) | SW-----------------South---------------SE The resolution of the screen can be either medium 320 x 200 pixels (dots) or high 640 x 200 pixels. When entering the doodle program, the screen is in medium resolution. You can enter high resolution by pressing the H key and pressing the M key will return the screen to medium resolution. Pressing either H or M will return the screen to the initial state. The information at the botttom of the screen normally shows: pen position degrees of turn degrees of NW, NE, SW and SE. The function selected, prompt and your reply will also be printed in this area. Color of pen and drawing The color of the turtle is the color that will be drawn by moving of the turtle with the pen down. Pressing the C key will change the color. Pressing the P key will change Pen to either up or down (dn). Pen must be down for drawing. Drawing Direction Direction of the turtle is by the use of the turtle keys and tab key. The degrees of the Turn are added to the current direction i.e. if PgUp was pressed with NE 45 and tab right is pressed with Turn 3, the pen will be positioned to write in a 48 degree line. Pressing the F9 key will increment NW, NE, SW and SE by 15 degrees. Values for NE can be 15, 30, 45, 60 and 75. Press the A key and you will be prompted to enter angle (1-14). Type in the angle and . Turn will display the new angle value. Drawing Speed There are four speeds that you can draw with by pressing the following keys: E Easy speed (one pixel at a time) S Slow speed F Fast speed V Very fast speed Paint Object First draw the object. Make sure all of the object area is enclosed. Leave pen color the same as the color of the object outline. Raise the pen by pressing the P key. Move the turtle into the area of the object. Press the F1 key and you will be prompted for the color to paint the area. Press the C key until the turtle is of the color you want the object to be then press F1. Fill Screen Pressing the F2 will change the color of the foreground. If you use this feature, make your foreground color first as any drawing that is on the screen will be erased. The color of the foreground will be the same color as that of the turtle. Press the C key for color selection prior to pressing the F2 key. Drawing a Pattern There are two patterns, one is for horizontal and one for vertical. Position the turtle with the pen up at the start of where the pattern is to begin. Press F3 key and use only the up arrow or down arrow for vertical pattern or use the left arrow or right arrow for a horizontal pattern. Press a speed key to go to the desired end of the pattern then press F3 key. Drawing with a Swatch Normal drawing is one pixel at a time. You can draw a larger width with the use of the F4 key. The bottom of the turtle is 10 pixels wide. If you Press F4 and enter a width of 10 , you will draw a width of 10 pixels. You can also erase a large screen area by pressing the C key until the turtle is the same color as the background. Press the F4 key and enter the width you want to erase and start erasing. Return to normal drawing by pressing the F4 key. Circle Position the turtle in the center of the area you wish to draw a circle. Press the F5 key. Enter the radius and . If you enter 5 for a radius, the diameter will be the same size as the bottom of the turtle. Arc Press the F6 key and the first prompt will request you to enter the angle of the arc. Enter a minus number and the arc will be drawn in a counterclockwise direction, enter a plus number and the arc will be drawn in a clockwise direction. After entering the angle, you will be requested to enter the radius of the arc. The arc is drawn from the position of the turtle. Background and Border Color Pressing the F7 key in medium resolution will change the background and border color. Palette or High Resolution Color For high resolution, the F8 key can be pressed to change the foreground color. The F8 key controls the palette color when in medium resolution. Slide Show The drawings can be saved as files on the fixed disk and retrieved back onto the screen. The F10 key is used to allow a caption to be typed on the bottom line. After completing a drawing, press the F10 key and type in a caption and press . The caption is stored for the subsequent screen output file. Press alphabetic O to start the output sequence. You will be requested to enter a filename for your slide show drawings. After entering the name and , the request to enter a drawing number will appear. If this is not a continuation from a previuos session, enter the numeric 1 . A file with your screen and caption will be created. On saving of the next screen, when you press the O key the drawing will be saved and the file extension will be .2 provided that you had entered a 1 for the first number. Retrieval is started by pressing the I key. After typing in the filename and number, the screen is drawn by what is contained within the file. To retrieve subsequent screens, press the I key. The input/output file names and the last input/output file extensions are retained until the Esc key is pressed or if the resolution was changed (M or H key). An example of a slide show is contained within the Potpourri program. The three files have a filename of LIBERTY and file extensions of .1, .2 and .3. Do the following sequence to see this slide show: Press M Press I Enter liberty Enter 1 Press I Press I GIx8xE^%TR h=?JL D  L   X p r  [ }   Y ` b &(tF46<h}%o W\^iD-ik9&vx6<(*,`:D$pN K !`!i!k!!"9"H"W"q""""N