?? idct.asm
字號:
***************************************************************
* (C) COPYRIGHT TEXAS INSTRUMENTS, INC. 1996 *
***************************************************************
* FILE NAME: IDCT.ASM *
* *
* HISTORY: This program is originally written in TMS320C5x *
* assembly language by Braganti Herve of Texas *
* Instruments, Inc. *
* *
* TRANSLATORS: Rushani Wirasinghe *
* Xiaozhen Zhang *
* Simon Lau *
* *
* DESCRIPTION: *
* - Inverse Discrete Cosine Transform (IDCT) algorithm. *
* - Code written in TMS320C54x assembly language. *
* - Files: idct.asm (This file) *
* idct.cmd (Linker Command File) *
* *
* LAST DAY MODIFIED: August 23, 1996 *
***************************************************************
* +----------------------------------------+
* ! INVERSE !
* ! 8*8 Discrete Cosinus Transform !
* ! !
* ! Implementation on TMS320C54X assembler !
* ! !
* ! 1440 CYCLES WITHOUT INPUT/OUTPUT SUB-!
* ! ROUTINE !
* +----------------------------------------+
*
*
* THEORY:
*
*
* for a two-dimensional form the IDCT can be described as:
*
*
* N-1 N-1
* x(k,l)= (2/N) ?? 快捷鍵說明
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