Category: vendor-specific BIOS extensions
INT 61 - Atari Portfolio - GET/SET CLOCK TICK SPEED AH = 1Eh AL = function 00h get speed 01h set speed BX = clock tick speed 0000h tick every 128 seconds 0001h tick every second Return: if function 00h BX = clock tick speed Note: the faster tick speed also uses more power SeeAlso: AH=00h"Portfolio",AH=1Ch"Portfolio",AH=1Fh"Portfolio"