/*Asm labels can only be defined once
in a task.  <F5> will spawn a new task
each time, so you don't get redefine
error, like when repeatedly #including
it from the cmd line.
*/

asm {
//Opcodes are slightly different to make writing my x86_64 assembler easier.
//See ::/Compiler/OpCodes.DD.

        IMPORT  Beep;

_BEEPS::
//You can always clobber RAX,RBX,RCX,RDX,R8,R9.  The compiler expects that.
//See REGG_CLOBBERED and REGG_STK_TMP.
        PUSH    RBP
        MOV     RBP,RSP
        MOV     RCX,U64 SF_ARG1[RBP]  //SF_ARG1

@@05:   PUSH    RCX
//U0 Beep(I8 ona=62,Bool busy=FALSE)
        PUSH    FALSE   //Do not busy (spin) wait
        PUSH    62      //500 Hz
        CALL    Beep
        POP     RCX
        LOOP    @@05

        POP     RBP
        RET1    8       //Use special return. Pop one arg off of stack.

//HolyC return vals are in RAX.  This function has no return value.
}

//_extern binds a asm sym to a function.
//My convention is to put an underscore
//on C callable asm routines.
_extern _BEEPS U0 Beeps(I64 cnt);

I64 AsmAndC1()
{
  I64 noreg i;  //Normally this would be stored in a reg
//Check by unassembling with Uf("AsmAndC1").

  i=GetI64("Num of beeps 1-5 (%d):",3,1,5);
  Beeps(i);

  asm {
//You can clobber RAX,RBX,RCX,RDX.  The compiler expects that.

    IMPORT      Snd; //Import an not use & or don't import and use &Snd.
    MOV         RCX,&i[RBP] //You can clobber RAX,RBX,RCX,RDX.
                //You better preserve the rest.
@@05:   PUSH    RCX

                //U0 Snd(I8 ona);
    MOV         RAX,RCX //ona=loop*10+50
    IMUL2       RAX,10 //TempleOS uses nonstandard opcodes
                //to avoid multiple form of the same one.
                //See ::/Compiler/OpCodes.DD.
    ADD         RAX,40
    PUSH        RAX
    CALL        Snd

    MOV         RCX,cnts.time_stamp_freq>>3 //JIT Const.  Simple delay loop
@@10:   LOOP    @@10

    POP         RCX
    LOOP        @@05
  }
  Snd;
  return i;
}

"Beeps:%d\n",AsmAndC1;