amf_muxnx1_s_render.asm

ADI SHARC DSP 音频算法标准模块库

// Copyright(c) 2002-2006 Analog Devices, Inc. All Rights Reserved.
// This software is proprietary and confidential to Analog Devices, Inc. and its licensors.

// File    : $Id: //depot/Development/VisualAudio/Modules/Packs/MuxDemuxPack/2.5.0/SHARC/Source/AMF_MuxNx1_S_Render.asm#2 $ 
// Part of : VisualAudio MuxDemuxPack V2.0.1 
// Updated : $Date: 2006/10/12 $ by $Author: Fernando $ 

//    Module Name     : AMF_MuxNx1_S_Render.asm 
//    DSP Processor   : ADSP-212xx
//    Original Author : kishore
//    Date            : 08/02/05
//====================================================================================
// Processor resources used:
//  cycles = n + m*TickSize (Assuming all on-chip)
//====================================================================================

// Revision History:
//          8/2/05      kishore     created
//          12/12/05    stilti      reformatted


#if 1

#include "AudioProcessing.h"
#include "processor.h"
#include "asm_sprt.h"

.import "AMF_MuxNx1_S.h";  // for OFFSETOF()

.global _AMF_MuxNx1_S_Render;
.type _AMF_MuxNx1_S_Render,STT_FUNC;
.segment /pm SEG_MOD_FAST_CODE;

_AMF_MuxNx1_S_Render:

    entry;
    puts = mode1;
    r2 =i0;  puts = r2;

    i4 = r4;
    i0 = r8;                 // i4->*buffers              
    
    r0=dm((OFFSETOF(AMF_MuxNx1_S, b) + OFFSETOF(AMF_ModuleVariable, inputPinCount)) ,i4);       // input pin count
    
    m4 = r0;
    r0=dm(OFFSETOF(AMF_MuxNx1_S, Select) ,i4); // Select  pin
       
    i4 = dm(m4,i0);          // i4=float *out
    m4 = r0;
    i0 = dm(m4,i0);          // i0 = float *in
       
    bit set mode1 PEYEN;     // Enable PEy:SIMD
    m4 = 2;                  // SIMD loop increment
    
    // copy from input to output
    LCNTR=r12, DO AMF_Mux_Render_loop_end UNTIL LCE;
        f0 = dm(i0,m4);      // load input  
AMF_Mux_Render_loop_end: 
        dm(i4, m4) = f0;     // write output
    
    bit clr mode1 PEYEN;     // Disable PEy:SIMD
    
    i0 = gets(1);
    mode1 = gets(2);
    alter(2);

_AMF_MuxNx1_S_Render.end:
    leaf_exit;

#endif;