HelpPC 2.10	Quick Reference Utility	Copyright 1991 David Jurgens
INT 70 - Real Time Clock Interrupt  (XT 286,AT,PS/2)        - called 1024 times per second for periodic and alarm functions        - decrements a DWORD counter by 976μ sec (1/1024)        - when DWORD reaches zero, bit 7 of designated wait flag is set        - if alarm was enabled by  INT 1A,6,  INT 4A is called when          counter reaches zero to activate alarm handler        - not available in model 30 PS/2        - see   INT 15,83   INT 15,86
Esc or Alt-X to exit	int 70	Home/PgUp/PgDn/End ←↑↓→