on goto - BASIC Commands

Name:

on goto

Syntax:

ON offset GOTO address0,address1...addressN

Offset - is a variable/constant which specifies which Address# to use (0-N).

Addresses - are labels which specify where to go.

Description:

Branch to address specified by offset (if in range).

This command allows a jump to different program positions depending on the value of the variable 'offset'. If offset is value 0, the program flow will jump to address0, if offset is value 1 program flow will jump to adddress1 etc. If offset is larger than the number of addresses the whole command is ignored and the program continues at the next line. This command is identical in operation to branch

Applies To:

All

See Also:

Related Create:

Set LED according to variable value

The 'on goto' branch taken depends on the value of the b1 variable and as it increases a different LED will be set.

Code Example:

reset1:	let b1 = 0
	low B.0
	low B.1
	low B.2
	low B.3
main:	inc b1
	if b1 > 4 then reset1
	on b1 goto btn0,btn1, btn2, btn3, btn4
btn0:	high B.0     ; always skipped in this example
	goto main
btn1:	high B.1
	goto main
btn2:	high B.2
	goto main
btn3:	high B.3
	goto main
btn4:	high B.4
	goto main

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