Int 16H Function 03H
◄Summary► ◄Notes► ◄Back►
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Subfunctions 00H-04H are available on the PCjr but are not supported by
the PC or PC/XT ROM BIOS. Subfunction 05H is available on PC/ATs with ROM
BIOS's dated 11/15/85 and later, and on the PS/2.
On the PC/AT and PS/2, the value in BH controls the amount of delay
before the first repeat key is generated, and is a multiple of 250
milliseconds:
Value Delay (msec.)
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00H 250
01H 500
02H 750
03H 1000
On the PC/AT and PS/2, the value for the repeat rate in characters per
second can be chosen from the following table:
Value Repeat rate (characters per second)
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00H 30.0
01H 26.7
02H 24.0
03H 21.8
04H 20.0
05H 18.5
06H 17.1
07H 16.0
08H 15.0
09H 13.3
0AH 12.0
0BH 10.9
0CH 10.0
0DH 9.2
0EH 8.6
0FH 8.0
10H 7.5
11H 6.7
12H 6.0
13H 5.5
14H 5.0
15H 4.6
16H 4.3
17H 4.0
18H 3.7
19H 3.3
1AH 3.0
1BH 2.7
1CH 2.5
1DH 2.3
1EH 2.1
1FH 2.0
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