www.pudn.com > EPG3231adpcm.rar > ADPCM0509.h

;********************************************* 
;*  Constant number define 
;*  Use body EPG3231 & EPD3330 
;*  Editor Knight Kuo  date: 2006/03/9 
;********************************************* 
;  ---  ADPCM active register 
ADCODE	EQU	0x78		;AD code 
S1Code	EQU	0x79		;Speech Storage code 
FSign	EQU	S1Code*16+3	;Sign flag (for ADPCM) 
S1Xn	EQU	0x7A		;Speech Xn synthesis 
; 
S1Flag	EQU	0x7B		;Speech flag 
FCodeTgl	EQU	S1Flag*16+0	;Code word toggle flag 
; 
S1Diff	EQU	0x7C		;S1Diff=ADCODE-S1Xn 
S1Delta	EQU	0x7D		;Speech delta value 
S1DP	EQU	0x7E		;Speech step size index 
S1CodeBuf	EQU	0x7F		;Speech raw code