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AH = 82h DX = length (duration in seconds = DX * 666670 / frequency) BX = pitch (see #00497)
Desc: Sound the tone specified in BX for the duration in DX
See Also: AX=1019h
(Table 00497) Values for HUNTER 16 sound pitch: BX(dec) Note Frequency BX(dec) Note Frequency 425 G 1568.000 1515 A 440.000 451 F# 1479.503 1605 G# 415.307 477 F 1396.900 1701 G 392.000 506 E 1318.500 1802 F# 369.998 536 D# 1244.523 1909 F 349.230 568 D 1174.700 2022 E 329.630 601 C# 1108.749 2143 D# 311.127 637 C 1046.500 2270 D 293.660 675 B 958.770 2405 C# 277.183 715 A# 932.329 2548 MID C 261.630 758 A 880.000 2700 B 246.940 803 G# 830.609 2860 A# 233.081 850 G 783.990 3030 A 220.000 901 F# 739.990 3210 G# 207.654 954 F 698.460 3401 G 196.000 1011 E 659.260 3604 F# 184.996 1071 D# 622.257 3818 F 174.610 1135 D 587.330 4045 E 164.810 1203 C# 554.365 4286 D# 155.560 1274 C 523.250 4540 D 146.830 1350 B 493.880 4668 C# 142.827 1430 A# 466.162 4803 C 138.810
Category: Vendor-specific BIOS Extensions - Int 15h - H
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