Tag

#M98

Posts tagged M98 from the G-Code Sprint team.

Guides

Subroutine Nesting Limit on Fanuc Controls: The Depth Budget

Fanuc controls allow a handful of subprogram nesting levels (commonly four to ten, generation-specific). Why the limit exists, how to find yours, and how to design.

Lawrence Arya·Jun 5, 2026·5 min

Code reference

M98 and M99: Subprogram Call and Return, With an Example

M98 calls a subprogram and M99 returns from it, letting you reuse a block of code. Here is how the pair works on Fanuc-style controls, with an example.

Lawrence Arya·Jun 2, 2026·5 min