Specifications
S1C62N82 TECHNICAL HARDWARE EPSON I-103
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Melody Generator)
With the above operation, the melody being played will be
forced to change into silent note playing; as soon as the
playing of the silent notes is completed, the playing will
automatically stop. In the above operation (2), writing
operation for the last "0" must be done before the playing
of silent notes ends.
The relationship between MELC register value and play-
ing output is shown in Figure 4.11.19.
00
Approx.
125 ms
Generation of
melody interrupt
Playing
"MELC"
register
0
Melody 1 Melody 2
11
Approx.
125 ms
Fig. 4.11.19
Retrigger mode
Note Bear in mind that when melody playing is forcedly modified with
the above operations, playing of the modified melody will start
approximately 125 ms (in case of normal speed) after "1" has
been written on the MELC register.