set_con.asm

文件为美军4800bps语音压缩编码标准在TI的DSP芯片TMS320C5X上的实时实现源代码。

DEBUG_FRAME .SET 100
CS_LEN	.SET 128
N128	.SET 128
NBP	.SET 10
NBQ	.SET 10
LSPEPS	.SET 1
FLEN	.SET 240
FLEN_1  .SET 239
HFLEN   .SET 120	;FLEN/2
HFLEN_1 .SET 120-1
P10	.SET 10
P10_1	.SET 9
P10_2	.SET P10-2
P10P	.SET P10+1
HP10	.SET P10/2
HP10_1	.SET HP10-1

M147	.SET 147
IDM	.SET 60
IDM_1	.SET IDM-1
IDB	.SET M147+3-1+IDM
FALSE	.SET 0
TRUE	.SET 1
MAXNCSIZE .SET 512
MAXL      .SET 60
MAXCODE   .SET 2*(MAXNCSIZE)+MAXL ;/* shift by 2 overlapped code book */
MAXLL     .SET 240
MAXNO     .SET 10
MAXLP     .SET 60 ;/* bug, fixed - See MAXPA */
MAXNP     .SET 3
MMIN      .SET 20
MMAX      .SET 147
MAXPD	  .SET 256
MAXM2	  .SET 20
MAXPA     .SET MAXLP+MMAX+2+MAXM2
MAXBUFPTR  .SET MMAX + MAXNO + 2  * MAXLP + MAXNP - 1
		;147+10+2*60+3-1=279
	;--------PSEARCH
PS_PFLAG_HIGH	.SET 500
PS_PFLAG_LOW	.SET 100
PS_SUB_FLAG	.SET 1
PS_NEIGH_FLAG	.SET 1
PLEVEL1	.SET 128
PLEVEL2	.SET 32
PLEVEL1_1	.SET PLEVEL1-1
PLEVEL2_1	.SET PLEVEL2-1