please dont rip this site

Microchip Language Jal Doc E0002.JAL

-- 
-- name    : e0002.jal
-- author  : Wouter van Ooijen
-- date    : 05-May-1998
-- purpose : jal example
--
-- This program shows a night-rider style LED on port B
--

-- target configuration: 16f84 with 10 Mhz Xtal
include 16f84_10

-- standard library
include jlib

-- jal has no enumerate, so use constants
const byte to_right  = 1
const byte to_left   = 0

-- determine a new direction d when x has hit a boundary,
-- shift x one step in the good direction
procedure night( byte in out x, byte in out direction ) is

   -- hit left border?
   if ( x & 0b_1000_0000 ) != 0 then
      direction = to_right
   end if

   -- hit right border?
   if ( x & 0b_0000_0001 ) != 0 then
      direction = to_left
   end if

   -- shift in current direction
   if direction == to_right then
      x = x >> 1
   else
      x = x << 1
   end if

end procedure

-- port b all pins output
port_b_direction = all_output

var byte x = 0b_0000_0001
var byte d = to_left

-- main loop
forever loop

   -- set port b
   -- for active-low LEDs remove the --
   port_b = x -- ^ 0xFF

   -- delay 200mS
   delay_100ms( 2 )

   -- shift x one step in the current direction
   night( x, d )

end loop


file: /Techref/microchip/language/jal/doc/e0002.jal, 1KB, , updated: 1998/12/23 14:17, local time: 2022/5/22 04:20,
TOP NEW HELP FIND: 
3.238.94.194:LOG IN

 ©2022 These pages are served without commercial sponsorship. (No popup ads, etc...).Bandwidth abuse increases hosting cost forcing sponsorship or shutdown. This server aggressively defends against automated copying for any reason including offline viewing, duplication, etc... Please respect this requirement and DO NOT RIP THIS SITE. Questions?
Please DO link to this page! Digg it! / MAKE!

<A HREF="http://www.massmind.org/techref/microchip/language/jal/doc/e0002.jal"> microchip language jal doc e0002</A>

Did you find what you needed?

 

Welcome to massmind.org!

 

Welcome to www.massmind.org!

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  .