Int 15/AX=1019h

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TopView - SOUND - MAKE TONE

AX = 1019h
BX = frequency in Hertz (0000h = silence)
CX = duration in clock ticks (18.2 ticks/sec)

Return:
Immediately, tone continues to completion

Notes: If another tone is already playing, the new tone does not start until completion of the previous one. Up to 32 tones may be queued before the process is blocked until a note completes.. In DV 2.00, the lowest tone allowed is 20 Hz. If CX = 0, the current note is cancelled; if BX = 0 as well, all queued notes are also cancelled

See Also: AH=82h"HUNTER" - INT 16/AH=73h

Category: DESQview/TopView and Quarterdeck Programs - Int 15h - T

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