codec.asm

适用于TSM320C6000系列的EDMA实验原代码

;******************************************************************************
;* TMS320C6x ANSI C Codegen                                      Version 4.10 *
;* Date/Time created: Sun Mar 31 14:28:49 2002                                *
;******************************************************************************

;******************************************************************************
;* GLOBAL FILE PARAMETERS                                                     *
;*                                                                            *
;*   Architecture      : TMS320C620x                                          *
;*   Optimization      : Enabled at level 3                                   *
;*   Optimizing for    : Speed                                                *
;*                       Based on options: -o3, no -ms                        *
;*   Endian            : Little                                               *
;*   Interrupt Thrshld : Disabled                                             *
;*   Memory Model      : Large                                                *
;*   Calls to RTS      : Far                                                  *
;*   Pipelining        : Enabled                                              *
;*   Speculative Load  : Disabled                                             *
;*   Memory Aliases    : Presume are aliases (pessimistic)                    *
;*   Debug Info        : Debug                                                *
;*                                                                            *
;******************************************************************************

	.asg	A15, FP
	.asg	B14, DP
	.asg	B15, SP
	.global	$bss

	.file	"codec.c"
;	c:\ti\c6000\cgtools\bin\opt6x.exe -O3 C:\TEMP\TI229_2 C:\TEMP\TI229_4 
	.sect	".text"
	.global	_codec
	.sym	_codec,_codec, 36, 2, 0
	.func	3

;******************************************************************************
;* FUNCTION NAME: _codec                                                      *
;*                                                                            *
;*   Regs Modified     : A0,A1,A2,A3,A4,A5,A6,A7,A8,A9,A10,B0,B1,B2,B3,B4,B5, *
;*                           B6,B7,B8,B9,B10,SP                               *
;*   Regs Used         : A0,A1,A2,A3,A4,A5,A6,A7,A8,A9,A10,B0,B1,B2,B3,B4,B5, *
;*                           B6,B7,B8,B9,B10,SP                               *
;*   Local Frame Size  : 0 Args + 0 Auto + 12 Save = 12 byte                  *
;******************************************************************************
_codec:
;** --------------------------------------------------------------------------*
	.line	2
	.sym	_temp,26, 4, 4, 32
	.sym	_temp,10, 4, 4, 32
	.sym	_temp,10, 4, 4, 32
           STW     .D2T2   B10,*SP--(16)     ; |4| 
           STW     .D2T1   A10,*+SP(8)       ; |4| 
           STW     .D2T2   B3,*+SP(12)       ; |4| 
	.line	6
           MVKL    .S1     _mcbsp0_write,A0  ; |8| 
           MVKH    .S1     _mcbsp0_write,A0  ; |8| 
           B       .S2X    A0                ; |8| 
           MVKL    .S2     RL0,B3            ; |8| 
           MVKH    .S2     RL0,B3            ; |8| 
           ZERO    .D1     A4                ; |8| 
           NOP             2
RL0:       ; CALL OCCURS                     ; |8| 
	.line	7
           MVKL    .S1     _mcbsp0_read,A0   ; |9| 
           MVKH    .S1     _mcbsp0_read,A0   ; |9| 
           B       .S2X    A0                ; |9| 
           MVKL    .S2     RL2,B3            ; |9| 
           MVKH    .S2     RL2,B3            ; |9| 
           NOP             3
RL2:       ; CALL OCCURS                     ; |9| 
	.line	8
           MVKL    .S2     _mcbsp0_write,B4  ; |10| 
           MVKH    .S2     _mcbsp0_write,B4  ; |10| 
           B       .S2     B4                ; |10| 
           MVKL    .S2     RL4,B3            ; |10| 
           MVKH    .S2     RL4,B3            ; |10| 
           ZERO    .D1     A4                ; |10| 
           NOP             2
RL4:       ; CALL OCCURS                     ; |10| 
	.line	9
           MVKL    .S1     _mcbsp0_read,A0   ; |11| 
           MVKH    .S1     _mcbsp0_read,A0   ; |11| 
           B       .S2X    A0                ; |11| 
           MVKL    .S2     RL6,B3            ; |11| 
           MVKH    .S2     RL6,B3            ; |11| 
           NOP             3
RL6:       ; CALL OCCURS                     ; |11| 
	.line	10
           MVKL    .S1     _mcbsp0_write,A0  ; |12| 
           MVKH    .S1     _mcbsp0_write,A0  ; |12| 
           B       .S2X    A0                ; |12| 
           MVKL    .S2     RL8,B3            ; |12| 
           MVKH    .S2     RL8,B3            ; |12| 
           ZERO    .D1     A4                ; |12| 
           NOP             2
RL8:       ; CALL OCCURS                     ; |12| 
	.line	11
           MVKL    .S1     _mcbsp0_read,A0   ; |13| 
           MVKH    .S1     _mcbsp0_read,A0   ; |13| 
           B       .S2X    A0                ; |13| 
           MVKL    .S2     RL10,B3           ; |13| 
           MVKH    .S2     RL10,B3           ; |13| 
           NOP             3
RL10:      ; CALL OCCURS                     ; |13| 
	.line	12
           MVKL    .S2     _mcbsp0_write,B4  ; |14| 
           MVKH    .S2     _mcbsp0_write,B4  ; |14| 
           B       .S2     B4                ; |14| 
           MVKL    .S2     RL12,B3           ; |14| 
           ZERO    .D1     A4                ; |14| 
           MVKH    .S2     RL12,B3           ; |14| 
           NOP             2
RL12:      ; CALL OCCURS                     ; |14| 
	.line	13
           MVKL    .S1     _mcbsp0_read,A0   ; |15| 
           MVKH    .S1     _mcbsp0_read,A0   ; |15| 
           B       .S2X    A0                ; |15| 
           MVKL    .S2     RL14,B3           ; |15| 
           MVKH    .S2     RL14,B3           ; |15| 
           NOP             3
RL14:      ; CALL OCCURS                     ; |15| 
	.line	14
           MVKL    .S1     _mcbsp0_write,A0  ; |16| 
           MVKH    .S1     _mcbsp0_write,A0  ; |16| 
           B       .S2X    A0                ; |16| 
           MVKL    .S2     RL16,B3           ; |16| 
           MVKH    .S2     RL16,B3           ; |16| 
           MVK     .S1     0x1,A4            ; |16| 
           NOP             2
RL16:      ; CALL OCCURS                     ; |16| 
	.line	15
           MVKL    .S2     _mcbsp0_read,B4   ; |17| 
           MVKH    .S2     _mcbsp0_read,B4   ; |17| 
           B       .S2     B4                ; |17| 
           MVKL    .S2     RL18,B3           ; |17| 
           MVKH    .S2     RL18,B3           ; |17| 
           NOP             3
RL18:      ; CALL OCCURS                     ; |17| 
	.line	16
           MVKL    .S1     _mcbsp0_write,A0  ; |18| 
           MVKH    .S1     _mcbsp0_write,A0  ; |18| 
           B       .S2X    A0                ; |18| 
           MVKL    .S2     RL20,B3           ; |18| 
           MVKH    .S2     RL20,B3           ; |18| 
           MVK     .S1     0x386,A4          ; |18| 
           NOP             2
RL20:      ; CALL OCCURS                     ; |18| 
;** --------------------------------------------------------------------------*
	.line	17
           MVKL    .S1     _mcbsp0_read,A0   ; |19| 
           MVKH    .S1     _mcbsp0_read,A0   ; |19| 
           B       .S2X    A0                ; |19| 
           MVKL    .S2     RL22,B3           ; |19| 
           MVKH    .S2     RL22,B3           ; |19| 
           NOP             3
RL22:      ; CALL OCCURS                     ; |19| 
	.line	18
           MVKL    .S1     _mcbsp0_write,A0  ; |20| 
           MVKH    .S1     _mcbsp0_write,A0  ; |20| 
           B       .S2X    A0                ; |20| 
           MVKL    .S2     RL24,B3           ; |20| 
           MVKH    .S2     RL24,B3           ; |20| 
           ZERO    .D1     A4                ; |20| 
           NOP             2
RL24:      ; CALL OCCURS                     ; |20| 
	.line	19
           MVKL    .S2     _mcbsp0_read,B4   ; |21| 
           MVKH    .S2     _mcbsp0_read,B4   ; |21| 
           B       .S2     B4                ; |21| 
           MVKL    .S2     RL26,B3           ; |21| 
           MVKH    .S2     RL26,B3           ; |21| 
           NOP             3
RL26:      ; CALL OCCURS                     ; |21| 
	.line	22
           MVKL    .S1     _mcbsp0_write,A0  ; |24| 
           MVKH    .S1     _mcbsp0_write,A0  ; |24| 
           B       .S2X    A0                ; |24| 
           MVKL    .S2     RL28,B3           ; |24| 
           MVKH    .S2     RL28,B3           ; |24| 
           ZERO    .D1     A4                ; |24| 
           NOP             2
RL28:      ; CALL OCCURS                     ; |24| 
	.line	23
           MVKL    .S1     _mcbsp0_read,A0   ; |25| 
           MVKH    .S1     _mcbsp0_read,A0   ; |25| 
           B       .S2X    A0                ; |25| 
           MVKL    .S2     RL30,B3           ; |25| 
           MVKH    .S2     RL30,B3           ; |25| 
           NOP             3
RL30:      ; CALL OCCURS                     ; |25| 
	.line	24
           MVKL    .S1     _mcbsp0_write,A0  ; |26| 
           MVKH    .S1     _mcbsp0_write,A0  ; |26| 
           B       .S2X    A0                ; |26| 
           MVKL    .S2     RL32,B3           ; |26| 
           ZERO    .D1     A4                ; |26| 
           MVKH    .S2     RL32,B3           ; |26| 
           NOP             2
RL32:      ; CALL OCCURS                     ; |26| 
	.line	25
           MVKL    .S2     _mcbsp0_read,B4   ; |27| 
           MVKH    .S2     _mcbsp0_read,B4   ; |27| 
           B       .S2     B4                ; |27| 
           MVKL    .S2     RL34,B3           ; |27| 
           MVKH    .S2     RL34,B3           ; |27| 
           NOP             3
RL34:      ; CALL OCCURS                     ; |27| 
	.line	26
           MVKL    .S1     _mcbsp0_write,A0  ; |28| 
           MVKH    .S1     _mcbsp0_write,A0  ; |28| 
           B       .S2X    A0                ; |28| 
           MVKL    .S2     RL36,B3           ; |28| 
           MVK     .S1     0x1,A4            ; |28| 
           MVKH    .S2     RL36,B3           ; |28| 
           NOP             2
RL36:      ; CALL OCCURS                     ; |28| 
	.line	27
           MVKL    .S1     _mcbsp0_read,A0   ; |29| 
           MVKH    .S1     _mcbsp0_read,A0   ; |29| 
           B       .S2X    A0                ; |29| 
           MVKL    .S2     RL38,B3           ; |29| 
           MVKH    .S2     RL38,B3           ; |29| 
           NOP             3
RL38:      ; CALL OCCURS                     ; |29| 
	.line	28
           MVKL    .S2     _mcbsp0_write,B4  ; |30| 
           MVKH    .S2     _mcbsp0_write,B4  ; |30| 
           B       .S2     B4                ; |30| 
           MVKL    .S2     RL40,B3           ; |30| 
           MVKH    .S2     RL40,B3           ; |30| 
           MVK     .S1     0x306,A4          ; |30| 
           NOP             2
RL40:      ; CALL OCCURS                     ; |30| 
	.line	29
           MVKL    .S1     _mcbsp0_read,A0   ; |31| 
           MVKH    .S1     _mcbsp0_read,A0   ; |31| 
           B       .S2X    A0                ; |31| 
           MVKL    .S2     RL42,B3           ; |31| 
           MVKH    .S2     RL42,B3           ; |31| 
           NOP             3
RL42:      ; CALL OCCURS                     ; |31| 
;** --------------------------------------------------------------------------*
	.line	30
           MVKL    .S1     _mcbsp0_write,A0  ; |32| 
           MVKH    .S1     _mcbsp0_write,A0  ; |32| 
           B       .S2X    A0                ; |32| 
           MVKL    .S2     RL44,B3           ; |32| 
           MVKH    .S2     RL44,B3           ; |32| 
           ZERO    .D1     A4                ; |32| 
           NOP             2
RL44:      ; CALL OCCURS                     ; |32| 
	.line	31
           MVKL    .S1     _mcbsp0_read,A0   ; |33| 
           MVKH    .S1     _mcbsp0_read,A0   ; |33| 
           B       .S2X    A0                ; |33| 
           MVKL    .S2     RL46,B3           ; |33| 
           MVKH    .S2     RL46,B3           ; |33| 
           NOP             3
RL46:      ; CALL OCCURS                     ; |33| 
	.line	33
           MVKL    .S2     _mcbsp0_write,B4  ; |35| 
           MVKH    .S2     _mcbsp0_write,B4  ; |35| 
           B       .S2     B4                ; |35| 
           MVKL    .S2     RL48,B3           ; |35| 
           MVKH    .S2     RL48,B3           ; |35| 
           ZERO    .D1     A4                ; |35|