This is a preliminary version of a reference implementation of the Alternate Multiplex Interrupt Specification (AMIS), version 3.5. [9/12/92 v0.90] new features: hotkey conflict detection, simplifications in macro usage, generic hotkey dispatcher [10/16/92 v0.91] fixed: stack errors in AMISHOTK.ASM (check_if_hotkeys_used) and UNINSTAL.ASM (unhook_interrupts)