KEYBOARD - SET TYPEMATIC RATE AND DELAY
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KEYBOARD - SET TYPEMATIC RATE AND DELAY
AH = 03hAL = subfunction00h set default delay and rate (PCjr and some PS/2)01h increase delay before repeat (PCjr)02h decrease repeat rate by factor of 2 (PCjr)03h increase delay and decrease repeat rate (PCjr)04h turn off typematic repeat (PCjr and some PS/2)05h set repeat rate and delay (AT,PS)BH = delay value (00h = 250ms to 03h = 1000ms)BL = repeat rate (00h=30/sec to 0Ch=10/sec [def] to 1Fh=2/sec)06h get current typematic rate and delay (newer PS/2s)Return:
BL = repeat rate (above)BH = delay (above)Return:
AH destroyed by many BIOSes
Note: Use INT 16/AH=09h to determine whether some of the subfunctions are supported
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