Bs2 Music Listen to this...

metron9

Using a capacitor, a resistor, a pizao speaker and an op amp with 14 lines of pbasic code I made a music machine.
Mind you its a bit gritty but with only 2000 instructions per second on the bs2 I think it's pretty good.
Recorded in sound forge using a RODE Mic and a jomeeki compressor. Could be used for some robot dance music perhaps?

Here are 4 short samples out of well actually about 65535 different pattarns you can play, and with only 14 lines of code and NO DATA, generated using simple math addition and subtraction. (I'm no good at that higher math stuff anyway)

www.stickerpub.com/bs2sound.wav

doggiedoc

That's got a Blues Funkish sound, huh! LOL! Reminds me of the old days with my Apple IIc and the "cricket" voice box.

Could you post your code? I'd like to see how you did that.


Thanks,
Doc

metron9

If you play with this, post your DAC and amplifier circuit, I think that could be much better.

Main:
 x=x+1
 ' change the value of z only after 2000 samples played
 ' Note, Try playing longer the patterns create fills etc...
 IF x=2000 THEN
  z=z+1
  x=0
  ' Beep inbetween samples
  FOR x=1 TO 100
   HIGH 15
   i=1
   LOW 15
  NEXT
  ' Wait 1/2 sec before next sample
  PAUSE 500

  x=0
 ENDIF
 lum=lum+z       'here the 16 bit pattern changes by adding Z
SHIFTOUT 15,14,MSBFIRST,[noparse][[/noparse]lum\16]
GOTO main

doggiedoc

Thanks - I'll try it.

About the circuit. I've got some schematics for and LM386 amplifier circuit that I can do. I don't have a DAC circuit. Any pointers?

Thanks!
Doc