Subroutines

Subroutines

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One of the most important constructs in programming is the subroutine. XPL0 has four different kinds of subroutines:

 

      Procedures,

      Functions

      Intrinsics

      Externals

 

Here is detailed information on using subroutines:

 

Procedures
Local and Global
Arguments
Nesting
Return
Functions
Intrinsics
Scope *
Recursion *
Forward Procedures *
Forward Functions *
Include *
External Procedures *
Assembly-Language Externals *
External .I2L Procedures *

 

 

 

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