====== VAL() ======

Syntax:

  val!(<string ptr str>) |  val(<string ptr str>) | val%(<string ptr str>)
  
The ''VAL()'' function tries to parse the numeric value in a string pointed by //str// to the numeric type of the function.

===== Parsing rules for VAL!() =====

The ''VAL!()'' function will return 0 if:

  * The argument points to an empty string
  * The string is longer than 3 characters
  * The string contains any non-numeric character, including a space
  * The numeric value exceeds 255

===== Parsing rules for VAL() =====

The ''VAL()'' function will return 0 if:

  * The argument points to an empty string
  * The string is longer than 6 characters
  * The string contains any non-numeric character, except for the first character which can be a minus sign (''-'')
  * The numeric value is less than -32768 or greater than +32767

===== Parsing rules for VAL%() =====

The ''VAL%()'' function is hardwired to the equivalent function in BASIC ROM, please refer to [[https://www.c64-wiki.com/wiki/VAL|this page]] for parsing rules.