FastTimer

Function number: 132

Sets the speed of the 8253 timer chip.

Register entry values

AX = EE84
BX = Speed (2-256)
  This is the number of times greater the chip should operate.

Register exit values

None

Example

MOV     AX,0EE84H       ;Set 8253 timer chip speed function
MOV     BX,2            ;Set the speed to twice its  normal rate
INT     10H             ;Call GRAFIX

Comments

See the 'FastTimer' function in chapter 2 for more information on the 8253 timer chip.