HP 3000 Manuals HP 3000 Manuals
Operating Mode Considerations A Native Mode (NM) trap handling routine often differs from the corresponding Compatibility Mode (CM) trap handler in its calling sequence [refer to the Introduction to MPE XL for MPE V Programmers (30367-90005)] and the method by which the trap routine obtains error information. However, you need supply only the version for the mode in which you invoke intrinsics. You do not need to modify existing CM applications that use a trap handler in order to run them on MPE XL. Likewise, new NM applications need not specify a CM version of their NM trap handling routine. Only those doing mixed-mode programming, who invoke intrinsics in both modes, need to specify and arm trap handling routines in both modes in order to capture all possible traps. This manual documents trap handling from the Native Mode perspective only. For information concerning trap handling in the Compatibility Mode environment, refer to the MPE V Intrinsics Reference Manual (32033-90007). For information concerning trap handling when doing mixed-mode programming, refer to the Introduction to MPE XL for MPE V Programmers (30367-90005).