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 ←↑↓→
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