?? clark.lst
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C:\TIC2XX\C2000\CGTOOLS\BIN\DSPA.EXE -q -v2xx -gs clark.asm -o ..\obj\clark.obj -l ..\temp\clark.lst
TMS320C1x/C2x/C2xx/C5x COFF Assembler Version 7.00 Tue May 6 12:41:04 2003
Copyright (c) 1987-1999 Texas Instruments Incorporated
clark.asm PAGE 1
1 ;=====================================================================================
2 ; File name: CLARK.ASM
3 ;
4 ; Originator: Digital Control Systems Group
5 ; Texas Instruments
6 ;
7 ; Description:
8 ; This file contains source for the CLARK transformation.
9 ;=====================================================================================
10 ; History:
11 ;-------------------------------------------------------------------------------------
12 ; 9-15-2000 Release Rev 1.0
13 ;================================================================================
14 ; Applicability: F240,F241,C242,F243,F24xx. (Peripheral Independant).
15 ; Description:
16 ; (a,b,c) -> (d,q) Transformation
17 ; clark_d = a
18 ; clark_q = (2 *clark_b + clark_a) / sqrt(3)
19 ;
20 ;
21 ;================================================================================
22 ; Routine Name: Generic function. Routine Type: C Callable
23 ;
24 ; Description:
25 ;
26 ; C prototype : int clark(void *in, void *out)
27 ;================================================================================
28 .def _clark
29 ;================================================================================
30
31 0001 __clark_framesize .set 0001h
32 ;================================================================================
33 0000 _clark:
34 0000 8aa0 POPD *+
35 0001 80a0 SAR AR0,*+
36 0002 8180 SAR AR1,*
37 0003 b001 LARK AR0,__clark_framesize
38 0004 00e8 LAR AR0,*0+,AR0
39
40 ;================================================================================
41 0005 7c03 SBRK #3 ; Point AR0 to the first argument.
42 ;--------------------------------------------------------------------------------
43 0006 0290 LAR AR2,*- ; get the argument #1 in AR2.
44 ; ARP=AR0, AR2->i/p s, AR0->arg #2.
45 ;--------------------------------------------------------------------------------
46 0007 03a0 LAR AR3,*+ ; get the argument #1 in AR2.
47 ; ARP=AR0, AR0->arg #2, AR2->i/p's, AR3->o/p's.
48 ;--------------------------------------------------------------------------------
49 0008 7803 ADRK #3 ; Restore AR0 to point to FR0.
50 ; ARP=AR0, AR0->FR0, AR2->i/p's, AR3->o/p's.
51 ;--------------------------------------------------------------------------------
52 0009 bf01 SPM 1 ; Set SPM for Q15 multiplication
53 ;--------------------------------------------------------------------------------
54 000a be47 SETC SXM ; Sign extension mode on
TMS320C1x/C2x/C2xx/C5x COFF Assembler Version 7.00 Tue May 6 12:41:04 2003
Copyright (c) 1987-1999 Texas Instruments Incorporated
clark.asm PAGE 2
55 ;--------------------------------------------------------------------------------
56 000b 8b8a MAR *,AR2 ; ARP=AR2, AR0->FR0, AR2->clark_a, AR3->clark_d
57 ;--------------------------------------------------------------------------------
58 000c 10ab LACC *+,AR3 ; ACC= clark_a.
59 ; ARP=AR3, AR0->FR0, AR2->clark_b, AR3->clark_d
60 ;--------------------------------------------------------------------------------
61 000d 90aa SACL *+,AR2 ; Store Out_d=clark_a.
62 ; ARP=AR2, AR0->FR0, AR2->clark_b, AR3->clark_q
63 ;--------------------------------------------------------------------------------
64 000e be0a SFR ; Acc=clark_a/2.
65 ; ARP=AR2, AR0->FR0, AR2->clark_b, AR3->clark_q
66 ;--------------------------------------------------------------------------------
67 000f 2088 ADD *,AR0 ; Acc=clark_a/2 + clark_b.
68 ; ARP=AR2, AR0->FR0, AR2->clark_b, AR3->clark_q
69 ;--------------------------------------------------------------------------------
70 0010 ae80 SPLK #18830,* ;FR0 = 1/sqrt(3).
0011 498e
71 ; ARP=AR2, AR0->FR0, AR2->clark_b, AR3->clark_q
72 ;--------------------------------------------------------------------------------
73 0012 7380 LT * ; T= 1/sqrt(3).
74 ; ARP=AR2, AR0->FR0, AR2->clark_b, AR3->clark_q
75 ;--------------------------------------------------------------------------------
76 0013 9080 SACL * ; FR0=clark_a/2 + clark_b.
77 ; ARP=AR2, AR0->FR0, AR2->clark_b, AR3->clark_q
78 ;--------------------------------------------------------------------------------
79 0014 548b MPY *,AR3 ; PREG = (clark_a/2 + clark_b)/sqrt(3).
80 ; ARP=AR3, AR0->FR0, AR2->clark_b, AR3->clark_q
81 ;--------------------------------------------------------------------------------
82 0015 be03 PAC
83 0016 be04 APAC ; ACC = (clark_a + 2 * clark_b)/sqrt(3).
84 ; ARP=AR3, AR0->FR0, AR2->clark_b, AR3->clark_q
85 ;--------------------------------------------------------------------------------
86 0017 9889 SACH *,AR1 ; Store clark_q.
87 ; ARP=AR1, AR0->FR0, AR2->clark_b, AR3->clark_q
88 ;--------------------------------------------------------------------------------
89 0018 bf00 SPM 0
90 ;--------------------------------------------------------------------------------
91 0019 __clark_exit:
92 0019 7c02 SBRK #(__clark_framesize+1)
93 001a 0090 LAR AR0,*-
94 001b 7680 PSHD *
95 001c ef00 RET
96
97
No Errors, No Warnings
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