LOOKUP2 please help

[emilhs]

it gives warning [202] argument out of range Least significant bits used

[mister_e]

from the manual

The LOOKUP statement can be used to retrieve values from a table of 8-bit constants.

8 bits = byte, max value = 255
so you need to use 2 LOOKUP2 table

split your lookup table in two, duplicate your code and your ready to go.

[emilhs]

from the manual

The LOOKUP statement can be used to retrieve values from a table of 8-bit constants.

8 bits = byte, max value = 255
so you need to use 2 LOOKUP2 table

split your lookup table in two, duplicate your code and your ready to go.

can you show me the sample please?

[Darrel Taylor]

Perhaps something like this ...

Freq        var word
say         var byte
countera    var byte
PlayButton  var PORTB.7
SoundOut    var PORTA.0

loop:
    If PlayButton = 0 THEN 
      For countera = 0 to 70                ; Siren UP
          Gosub PlayTone
          if PlayButton = 1 then ButtonUp
      Next countera 

      For countera = 69 to 1 step -1        ; Siren Down
          Gosub PlayTone
          if PlayButton = 1 then ButtonUp
      Next countera 
    endif
 ButtonUp:
    Pause 50  
goto loop 

PlayTone:
    LOOKUP2 CounterA,[902,902,902,884,884,884,851,851,835,820,820,806,806,_
    792,778,765,752,740,740,716,716,705,705,683,683,653,663,663,644,635,_
    618,627,602,594,578,578,557,564,549,531,531,519,513,501,492,475,465,_
    465,456,442,434,422,414,406,389,389,373,373,352,334,329,318,307,296,_
    283,279,263,252,249,238,232],Freq

    For say=1 to 25
      High SoundOut
      PauseUS Freq
      Low SoundOut
      PauseUS Freq
    Next say
Return

[emilhs]

Thanks Darrel I have done slightly different way I will post it in few days may be usefull to some body

[Darrel Taylor]

Yup, your right!

LOOKUP only works with byte sized values. Woops.

Time for a vacation. cyaz
<br>

[emilhs]

how make simple count from 902 to 232 with step -10 and back if button is pressed?

[emilhs]

is there any way to save count? I mean if button pressed counter is counting the figures from table if button unpressed i want it to be saved some where and when button is pressed for second time i want the counting continue from the figure it stopped is it possible?