?? rmp3cntl.lst
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C:\TIC2XX\C2000\CGTOOLS\BIN\DSPA.EXE -q -v2xx -gs rmp3cntl.asm -o ..\obj\rmp3cntl.obj -l ..\temp\rmp3cntl.lst
TMS320C1x/C2x/C2xx/C5x COFF Assembler Version 7.00 Tue May 6 12:41:20 2003
Copyright (c) 1987-1999 Texas Instruments Incorporated
rmp3cntl.asm PAGE 1
1 ;=====================================================================================
2 ; File name: RMP3CNTL.asm
3 ;
4 ; Originator: Digital Control Systems Group
5 ; Texas Instruments
6 ;
7 ; Description:
8 ; This file contains source for the Ramp3 control module
9 ;=====================================================================================
10 ; History:
11 ;-------------------------------------------------------------------------------------
12 ; 9-15-2000 Release Rev 1.0
13 ;================================================================================
14 ; Applicability: F240,F241,C242,F243,F24xx. (Peripheral Independant).
15 ;
16 ;
17 ;================================================================================
18 ; Routine Name: RMP3CNTL Routine Type: C Callable
19 ;
20 ; Description:
21 ;
22 ; C prototype : void rmp3_calc(RMP3 *p);
23 ;================================================================================
24 ; History Created August 3 ,2000
25 ;
26 ; Definition of RMP3:
27 ;
28 ; typedef struct RMP3 {
29 ; int desired;
30 ; int dly;
31 ; int dly_cntr;
32 ; int min;
33 ; int out;
34 ; int done_flg;
35 ; (int (*) (int))rmp3_calc
36 ; };
37
38 ;================================================================================
39
40 0001 ON .set 1
41 0000 OFF .set 0
42 ;--------------------------------------------------------------------------
43 0001 RETURN_ADDRESS_SAVE .set ON ; If this function calls no other functions
44 ; set RETURN_ADDRESS_SAVE to OFF for
45 ; optimization
46
47 ;--------------------------------------------------------------------------
48 7fff RMP3_DONE_FLAG .set 07FFFh
49 0000 CLEAR .set 0
50 ;--------------------------------------------------------------------------
51 .def _rmp3_calc
52 ;================================================================================
53 0000 _rmp3_calc:
54
TMS320C1x/C2x/C2xx/C5x COFF Assembler Version 7.00 Tue May 6 12:41:20 2003
Copyright (c) 1987-1999 Texas Instruments Incorporated
rmp3cntl.asm PAGE 2
55 0001 __RMP3_framesize .set 0001h
56 ;--------------------------------------------------------------------------
57
58 .if ( RETURN_ADDRESS_SAVE = ON)
59 ; AR1 is stack pointer (SP)
60 ; AR0 is frame pointer (FP)
61 ; ARP = AR1
62
63 0000 8aa0 POPD *+ ; Save the return address from hardware
64 ; stack into the software stack
65 .endif
66
67 0001 80a0 SAR AR0, *+ ; push AR0 (FP). ARP = AR1
68 0002 8180 SAR AR1, * ; *SP = SP. ARP = AR1
69 0003 b001 LAR AR0, #__RMP3_framesize ; FP = size of frame. ARP = AR1
70
71 0004 00ea LAR AR0, *0+, AR2 ; Allocate frame. AR0 = *AR1
72 ; AR1 = AR1 + AR0. ARP = AR2
73 ;--------------------------------------------------------------------------
74 .if (RETURN_ADDRESS_SAVE = ON)
75 0005 bf0a LAR AR2, #-3
0006 fffd
76 .endif
77
78 .if (RETURN_ADDRESS_SAVE = OFF)
79 LAR AR2, #-2
80 .endif
81 ;--------------------------------------------------------------------------
82 0007 8be0 MAR *0+ ; AR2 -> passed parameter
83 ; (i.e. pointer to the structure).
84 ; ARP = AR2. AR2= AR2 + AR0
85 ;--------------------------------------------------------------------------
86 0008 0380 LAR AR3,* ; AR3 points to the first structure member
87 ; (i.e. AR3 -> desired).
88 ; ARP = AR2. AR2 -> passed parameter.
89 ;--------------------------------------------------------------------------
90 0009 0280 LAR AR2,* ; AR2 points to the first structure member
91 ; (i.e. AR2 -> desired).
92 ; ARP = AR2 .AR3-> desired
93 ;--------------------------------------------------------------------------
94 000a 1080 LACC * ; Load accumulator with desired
95 ; ARP = AR2. AR2 -> desired.
96 ; AR3 -> desired
97 ;--------------------------------------------------------------------------
98 000b 7804 ADRK #4 ; ARP = AR2. AR2 -> out. AR3 -> desired
99 ;--------------------------------------------------------------------------
100 000c 308b SUB *,AR3 ; Accumulator = desired - out
101 ; ARP = AR3. AR2 -> out . AR3 -> desired
102 ;--------------------------------------------------------------------------
103 000d e388 BCND __RMP3_Set_Flag , EQ
000e 0025'
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