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Merge pull request #2 from matthewblain/master 

Update commands reference
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Adam Mayer 2017-12-26 13:03:29 -05:00 committed by GitHub
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docs/Apple 401 Plotter.md
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@ -132,6 +132,14 @@ specified the circle will be centered at the current position.
Params: 1 or 3
### Letter Initialize (LI)
```
LI
```
Reset the text format.
### Letter size (LS)
```
@ -176,14 +184,15 @@ Params: 1
### Line type (LT)
```
LTn
LTp(,k)
```
Select the line style for subsequent draw operations. `n` is a value in the
Select the line style for subsequent draw operations. `p` is a value in the
range 1-9:
| n | Line style |
|---|------------------|
| 0 | Custom pattern (see UL) |
| 1 | Solid |
| 2 | Dotted |
| 3 | Short dash |
@ -194,7 +203,18 @@ range 1-9:
| 8 | Line w/ two dots |
| 9 | Line w/ two short dashes |
Params: 1
`k` specifies the repeat length in mesurement units. The default is 100, but the value will persist.
Params: 1 or 2
```
ULd1,m1(,d2,m3,..d6,m6)
```
Create a custom pattern for use with subsequent LT0 operations.
`d` specifies a draw length, `m` specifies a move length.
### X-axis ticks (XT)
@ -332,17 +352,36 @@ Params: 3 or 5
### Unknown (IM)
```
IMa,b
IMa(,b)
```
IM0,31 turns on error checking; IM0,0 turns it off?
This is referenced obliquely in part II of the manual.
Selecting error action
`a` specifies the mode: 0 = turn on error light; 64 = reject commands ; 192 = write message.
| a | Mode |
|---|------------------|
| 0 | Turn on error light |
| 1 | Reject command |
| 2 | Write error message |
`b` specifies the errors to filter. Default is 31.
| a | Error type |
|---|------------------|
| 1 | Command not recognized |
| 2 | Numbers outside range |
| 4 | Not enough numbers for command |
| 8 | Bad syntax |
| 16 | Pen would go outside window |
## Unknown commands
LI - ??? - no params/arb ???
PK - ??? - no params/arb
UL - ??? - no params/arb ? 1 param 0-9?
SP - ??? - 1 param ??
LF - ??? - 1 param ? 0-9
PK - ??? - no params/arb (Not in user reference)
SP - ??? - 1 param ?? Size Paper
LF - ??? - 1 param ? 0-9 Letter Font