vinit.v

这是韩国EQUATOR公司提供的DEMO程序

/**
*** Copyright (c) 2001 Equator Technologies, Inc.
**/

//
// vinit.v
//

#define _SWAP 16

#include "vas.h"

register ramPtr_r14          r14;   // location for RAM writes
register tmpData_r16         r16;
register tmpData_r17         r17;
register numLoops_r18        r18;
register pcaddr_r19          r19;
register loopCnt_r22         r22;
register gbind_r24           r24;   // GB configuration data
register dbgPtr_r27          r27;

//--------------------------------
//
// CODE section
//
//--------------------------------
main: { // begin CODE

    nop;
    nop;
    nop;
    nop;
      // STATUS
      setacc 0x99;               
      setreg tmpData_r16;    
      setacc D0_STATUS+0;     
      nop;
      st     tmpData_r16,acc; 
      nop;

    setacc addr#D0_GBDATA;
    ld.w gbind_r24, acc;
    nop;
    gb_dsconf(gbind_r24);
    nop;

  //
  // I_START
  //
  I_START:

    gb_setopt(0b01101); // count leading 1(s) not 0(s), input en, output en

    // Setup pcaddr for first stall
    setacc I_GBSTALL;
    setreg pcaddr_r19;
    nop;

I_GET_STARTCODE:
#include "vgetsc.v" // in-lined code

I_INIT_MCMR:
  #include "vlc.v" // in-lined code

  //
  // I_WRAP_UP
  //
  I_WRAP_UP:

    // Clear the semaphore
    setacc 0;               // Store a 0 in D0_SEMA_STOP, clearing the semaphore
    setreg tmpData_r17;     //   to indicate to the core to continue processing
    setacc D0_SEMA_STOP;     
    st     tmpData_r17,acc; // CM1[acc]=tmpData_r17;
    nop;

  //
  // I_EXIT
  //
  I_EXIT:
      // STATUS
      setacc 0x1ed;               
      setreg tmpData_r16;    
      setacc D0_STATUS+0;     
      nop;
      st     tmpData_r16,acc; 
      nop;
	
  I_EXIT_LOOP:
    nop;
    br I_EXIT_LOOP;
    nop;

#include "vgbstall.v"

} // end CODE

//--------------------------------
//
// DATA section
//
//--------------------------------

_data0;

D0_SEMA_STOP @16:             
data 0xFFFF(4);

D0_STATUS @16:
data 0x1111(16);

D0_EXCEED @16:
data 0x0(16);

D0_GBDATA @16:
data 0b 0000_0000_0000_0000 (16);

D0_DATA @16:
data 0x0 (16+16+16+15);

D0_DATA_END :
data 0xeeee;

data 0x0 (64);
data 0x0 (128);
data 0x0 (128);
data 0x0 (128);