Propeller Spin is an actively used programming language created in 2006.

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  • Propeller Spin ranks in the bottom 50% of languages
  • Propeller Spin first appeared in 2006
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Example code from Linguist:

''****************************************
''*  Debug_Lcd v1.2                      *
''*  Authors: Jon Williams, Jeff Martin  *
''*  Copyright (c) 2006 Parallax, Inc.   *
''*  See end of file for terms of use.   *
''****************************************
''
'' Debugging wrapper for Serial_Lcd object
''
'' v1.2 - March 26, 2008 - Updated by Jeff Martin to conform to Propeller object initialization standards.
'' v1.1 - April 29, 2006 - Updated by Jon Williams for consistency.
''


OBJ

  lcd : "serial_lcd"                                    ' driver for Parallax Serial LCD
  num : "simple_numbers"                                ' number to string conversion


PUB init(pin, baud, lines) : okay

'' Initializes serial LCD object
'' -- returns true if all parameters okay

  okay := lcd.init(pin, baud, lines) 


PUB finalize

'' Finalizes lcd object -- frees the pin (floats)

  lcd.finalize

  
PUB putc(txbyte)

'' Send a byte to the terminal

  lcd.putc(txbyte)
  
  
PUB str(strAddr)

'' Print a zero-terminated string

  lcd.str(strAddr)


PUB dec(value)

'' Print a signed decimal number

  lcd.str(num.dec(value))  


PUB decf(value, width) 

'' Prints signed decimal value in space-padded, fixed-width field

  lcd.str(num.decf(value, width))   
  

PUB decx(value, digits) 

'' Prints zero-padded, signed-decimal string
'' -- if value is negative, field width is digits+1

  lcd.str(num.decx(value, digits)) 


PUB hex(value, digits)

'' Print a hexadecimal number

  lcd.str(num.hex(value, digits))


PUB ihex(value, digits)

'' Print an indicated hexadecimal number

  lcd.str(num.ihex(value, digits))   


PUB bin(value, digits)

'' Print a binary number

  lcd.str(num.bin(value, digits))


PUB ibin(value, digits)

'' Print an indicated (%) binary number

  lcd.str(num.ibin(value, digits))     
    

PUB cls

'' Clears LCD and moves cursor to home (0, 0) position

  lcd.cls 


PUB home

'' Moves cursor to 0, 0

  lcd.home
  

PUB gotoxy(col, line)

'' Moves cursor to col/line

  lcd.gotoxy(col, line)

  
PUB clrln(line)

'' Clears line

  lcd.clrln(line)


PUB cursor(type)

'' Selects cursor type
''   0 : cursor off, blink off  
''   1 : cursor off, blink on   
''   2 : cursor on, blink off  
''   3 : cursor on, blink on

  lcd.cursor(type)
       

PUB display(status)

'' Controls display visibility; use display(false) to hide contents without clearing

  if status
    lcd.displayOn
  else
    lcd.displayOff


PUB custom(char, chrDataAddr)

'' Installs custom character map
'' -- chrDataAddr is address of 8-byte character definition array

  lcd.custom(char, chrDataAddr)

      
PUB backLight(status)

'' Enable (true) or disable (false) LCD backlight
'' -- affects only backlit models

  lcd.backLight(status)

{{

┌──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
│                                                   TERMS OF USE: MIT License                                                  │                                                            
├──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┤
│Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation    │ 
│files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy,    │
│modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software│
│is furnished to do so, subject to the following conditions:                                                                   │
│                                                                                                                              │
│The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.│
│                                                                                                                              │
│THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE          │
│WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR         │
│COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,   │
│ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                         │
└──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
}}
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Last updated February 11th, 2019