====== RI_SET_ISR ======

//Defined in [[https://github.com/neilsf/xcb-ext-rasterinterrupt|xcb-ext-rasterinterrupt]]//

Syntax:

  ri_set_isr <byte isr_number>, <int isr_address>, <int raster_line>

Defines an Interrupt Service Routine (isr). Please see the [[https://github.com/neilsf/xcb-ext-rasterinterrupt|extension's documentation]] for further details.