Editing Sad Mac Error Codes (section)

=== Extended exception list (68020 / 68030 / FPU / PMMU) ===

These exception codes are ORed into the lower byte of the major code on Mac II family and Portable machines (the same OR-encoding rule applies as for the compact-Mac codes):

* '''0100''' — Bus error
* '''0200''' — Address error
* '''0300''' — Illegal instruction
* '''0400''' — Divide by zero
* '''0500''' — CHK / Check instruction
* '''0600''' — TRAPV / overflow
* '''0700''' — Privilege violation
* '''0800''' — Trace
* '''0900''' — Line A (A-trap dispatch)
* '''0A00''' — Line F (F-line — usually FPU)
* '''0B00''' — Unassigned exception
* '''0C00''' — FPU protocol violation
* '''0D00''' — Format exception
* '''0E00''' — Spurious interrupt
* '''0F00''' — Trap-instruction vectors
* '''1000–1600''' — Interrupt level 1–7 with no handler
* '''1700''' — FPU branch / set on unordered condition
* '''1800''' — FPU inexact result
* '''1900''' — FPU divide by zero
* '''1A00''' — FPU underflow
* '''1B00''' — FPU operand error
* '''1C00''' — FPU overflow
* '''1D00''' — FPU signaling NaN
* '''1E00''' — PMMU configuration
* '''1F00''' — PMMU illegal operation
* '''2000''' — PMMU access-level violation