151E INT 15 - VMiX v2+ - "sys_setfont" - SET CONSOLE GRAPHICS FONT
151E00 INT 15 - MultiDOS Plus - CLEAR EVENT COUNTER
151E01 INT 15 - MultiDOS Plus - TRIGGER EVENT
151E02 INT 15 - MultiDOS Plus - WAIT FOR EVENT
151E08 INT 15 - MultiDOS Plus 4.01 - SET CONTEXT-SWITCH FUNCTIONS