data_seg.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。

;	.data
HAMS	.COPY "HAMS.DAT"	;240
LPC0	.INT 2000H
LPC	.INT 0,0,0,0,0,0,0,0,0,0
LSPTAB	.COPY "LSPTAB.DAT"	;160
BITS_1	.INT 7,15,15,15,15,7,7,7,7,7 ;//{3, 4, 4, 4, 4, 3, 3, 3, 3, 3};

COSCOR  .INT 0e216H,2078H,0fd54H,1eH,0ffffH
LASTLSP	.INT 05d1h, 0ba3h, 01174h, 01745h, 01d17h
	.int 022e8h, 028b9h, 02e8ah, 0345ch, 03a2dh
INTANW	.INT 7000H, 5000H, 3000H, 1000H, 1000H, 3000H, 5000H, 7000H
LSPOLD  .INT 3d7H,666H,0b85H,10a4H,1852H,1d71H, 251fH,2a3dH,31ecH,3852H
LSPCOS	.COPY "LSPCOS.DAT"    ;768 ;cos(i* pi * 0.5*(11.0-2*j)/N) *0x8000u
POW 	.int 7f40h,7e80h,7dc2h,7d05h,7c49h,7b8eh,7ad4h,7a1ch,7964h,78aeh
	;//.int 571h,8f6h,0d9ah,1785h,01c00h,02000h,02b33h,02f33h,036e1h,03b5ch
BWPOW_80 .INT 6666H,51ecH,4189H,346eH,29f1H,218eH,1ad8H,157aH,112eH,0dbeH
	;-----PTENCODE
PITCH_TAB .int 0c073h,0cad1h,0d3a6h,0dc7bh,0e582h,0f159h,00h,08e5h,01051h,0178dh
	.int 01d3fh,021fbh,02676h,029cah,02cedh,02faeh,031ebh,03439h,03666h,03862h
	.int 03a8fh,03cach,03ee9h,04147h,043f7h,0477ch,04c5ah,0527eh,05937h,0628fh
	.int 070f5h,07f6ch

CGAIN_TAB .INT 1, 3,13,35,64,98,136,178,224,278, 340,418,520,660,870,1330
CODEBOOK .COPY "CODEBOOK.DAT"		;512
SIGNAL	.SPACE 16*240

	.SECT "OFFCHIP0"
WHT	.SPACE 16*10
S1	.copy "sIG9.dat"		;9*240 signal values
	.SECT "OFFCHIP1"
SP_IN_DATA .SPACE 16*240
SP_OUT_DATA .SPACE 16*240*2
;S0	.copy "T1_10.dat"		;9*240 signal values
;S0	.INT 0