C51:how to write asm code for PWM speaker?

HI.

sorry but got last a bit wrong :(

sound(int Cycles, char delay);


sound:

  mov  dph,r6
  mov  dpl,r7

loop:
  cpl  p1.0

  mov  a,r5
  mov  r2,a
  djnz R2,$

  inc  dptr
  mov  a,dpl
  mov  b,dph
  jnz  loop

  ret

Always yo're freind.

Zeusti.

HI.

sorry but got last a bit wrong :(

sound(int Cycles, char delay);


sound:

  mov  dph,r6
  mov  dpl,r7

loop:
  cpl  p1.0

  mov  a,r5
  mov  r2,a
  djnz R2,$

  inc  dptr
  mov  a,dpl
  mov  b,dph
  jnz  loop

  ret

Always yo're freind.

Zeusti.

sound(int Cycles, char delay);
this isn't asm code, how to call this function?
or is it useful for the prog.?

HI.

u r write. it is a prototype for the asm function. u put in c and call in c.

Always yo're freind.

Zeusti

who can, even in their wildes imagination, believe that a noob will, in any minuscule way, understand uncommented scribbles?

Erik