{{htmlmetatags>metatag-robots=()
metatag-title=(FOR...NEXT | ugBASIC User Manual)
metatag-keywords=(ugBASIC,Commodore 64,Commodore PLUS/4,ZX Spectrum)
metatag-description=(Manual page for FOR...NEXT)
metatag-media-og:image=(:ugbasic:logo-ugbasic-fb.png)
metatag-og:title=(FOR...NEXT | ugBASIC User Manual) 
metatag-og:description=(Manual page for FOR...NEXT)
}}

====== ugBASIC User Manual ======

===== FOR...NEXT ✓ =====

===== SYNTAX =====
     FOR var = start TO end [ STEP increment ]
        ...
     NEXT

==== PURPOSE ====




This instruction implements a loop with explicit number of times to repeat.
Each ''FOR'' statement must be matched by a single ''NEXT'', and pairs of ''FOR...NEXT'' 
loops can be nested inside one another. Each loop repeats a list of 
instructions for a specific number of times, governed by an index which 
counts the number of times the loop is repeated. Once inside the loop, 
this index can be read by the program as if it is a normal variable.

Normally, the index counter is increased by 1 unit at every turn of a 
''FOR...NEXT'' loop. When the current value exceeds that of the last 
number specified, the loop is terminated. ''STEP'' is used to 
change the size of increase in the index value.



==== EXAMPLE ====
    i = 0
    FOR i = 1 to 100 STEP 2
       PRINT i
    NEXT


See also the following example files:
  * ''[[https://github.com/spotlessmind1975/ugbasic/tree/main/examples/control_controlled_01.bas|control_controlled_01.bas]]''
  * ''[[https://github.com/spotlessmind1975/ugbasic/tree/main/examples/control_controlled_02.bas|control_controlled_02.bas]]''


==== ABBREVIATION ====
   Fo...Nx


==== AVAILABLE ON ====
  * Atari (400/800)
  * Atari XL/XE
  * Commodore 128 (MOS 8502)
  * Commodore 128 (Zilog Z80)
  * Commodore 64
  * Commodore 64+REU
  * TRS-80 Color Computer
  * TRS-80 Color Computer 3
  * ColecoVision
  * Amstrad CPC 664
  * Dragon 32
  * Dragon 64
  * Thomson MO5
  * Thomson MO5
  * Olivetti Prodest PC128
  * Commodore PLUS/4
  * SEGA SC-3000
  * SEGA SG-1000
  * VG-5000
  * Commodore VIC-20
  * ZX Spectrum 48


==== ANY PROBLEM? ====
If you have encountered a problem using this command, if you think there is a bug or the explanation is unclear, please [[https://github.com/spotlessmind1975/ugbasic/issues/new?title=ISSUE ON FOR...NEXT|open an issue]] for this keyword on GitHub. Thank you!===== POWERED BY =====

[[:ugbasic:user:index|{{ :ugbasic:user:logo-ugbasic.png?nolink&600 |}}]]