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| Title: | AMIGA NOTES |
| Notice: | Join us in the *NEW* conference - HYDRA::AMIGA_V2 |
| Moderator: | HYDRA::MOORE |
|
| Created: | Sat Apr 26 1986 |
| Last Modified: | Wed Feb 05 1992 |
| Last Successful Update: | Fri Jun 06 1997 |
| Number of topics: | 5378 |
| Total number of notes: | 38326 |
3498.0. "X-Y Plotter (HPGL?)" by LEDS::BUSCH (Dave Busch at NKS1-2) Mon Feb 19 1990 12:58
I've got a home made X-Y plotter which I drive through the printer port of my
A-500. The interface is very primitive. It consists of 2 bits each for X and Y
and one bit for pen up/down. Each pair of two bit codes for the stepper motors
define which of the four phases of the motor is to be driven. All of the
calculations for driving the motors from one point to another are done in my
BASIC application program.
I would like to be able to use the plotter with X-Cad Designer but to do this I
will need to write an HPGL-to-primitive translator. Can anyone help me by
finding a spec, document, etc. which will define what the HPGL command language
consists of?
Dave
P.S. Can someone tell me what the char$ (decimal) codes are for the
up/down/left/right cursor keys are? I need to sense these to initially
position my pen.
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