// // Official Kernal routine, described in: // // - [RG64] C64 Programmer's Reference Guide - page 293 (RESTOR), 304 (VECTOR) // - [CM64] Compute's Mapping the Commodore 64 - page 237 // // CPU registers that has to be preserved (see [RG64]): none // RESTOR: clc // clear carry - for writing to system table ldy #>vector_defaults ldx #