How to write an indicator? — ZXNet «real.speccy»

From Kirill Frolov To All 27 August 1998

Once on 08/21/98 at 00:10:50 someone Konstantin Samoylov wrote to All
about How to write an indicator? and I decided to intervene.

├┤i Konstantin & All !

[...]

KS> Frequency peaks in 3 columns (lines) are not accepted for consideration.
KS> Maybe someone will post a document here on the music coprocessor?

Sine as in You won't get it with an oscilloscope. Your sweep frequency
is 50 Hz. Although something similar is possible, there will be
something flickering at different frequencies...

W!7h Be$7 W!$he$, FK0.

From Konstantin Samoylov To All 29 August 1998

KS>> are accepted. Maybe someone will post a document here on the musical
KS>> coprocessor?
KF> You won’t get a sinus like on an oscilloscope. Your sweep frequency
KF> is 50 Hz. Although something similar is possible, there will be
KF> something flickering at different frequencies...
There is one small nuance left, how and what to arrange in order to get
a certain frequency?
With respect SP/PoS.

From Kirill Frolov To All 1 September 1998

├┤i Konstantin & Kirill !

[...]

KS> There is one small nuance left, how and what to lay out in order to get
KS> a certain frequency?

Well, probably take from the registers of frequency, amplitude, envelope and forward...
Strange question.

W!7h Be$7 W!$he$, FK0.