Example
| ARC 0;0;2;0;2π: |
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| FREEZE: |
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| Draws a circle centered |
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| at (0,0) of radius 2. The |
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| FREEZE command |
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| causes the circle to | ||
| remain displayed on the screen until you press a key. | ||
BOX | Draws a box with diagonally opposite corners (x1,y1) and | ||
| (x2,y2). | ||
| BOX x1;y1;x2;y2: | ||
| Example | ||
| BOX |
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| FREEZE: |
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| Draws a box, lower |
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| corner at |
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| upper corner at (1,1) |
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ERASE | Clears the display | ||
| ERASE: | ||
FREEZE | Halts the program, freezing the current display. | ||
| Execution resumes when any key is pressed. | ||
LINE | Draws a line from (x1, y1) to (x2, y2). | ||
| LINE x1;y1;x2;y2: | ||
PIXOFF | Turns off the pixel at the specified coordinates (x,y). | ||
| PIXOFF x;y: | ||
PIXON | Turns on the pixel at the specified coordinates (x,y). | ||
| PIXON x;y: | ||
TLINE | Toggles the pixels along the line from (x1, y1) to (x2, y2) | ||
| on and off. Any pixel that was turned off, is turned on; | ||
| any pixel that was turned on, is turned off. TLINE can be | ||
| used to erase a line. | ||
| TLINE x1;y1;x2;y2: | ||
Programming |