Home » Archimedes archive » Acorn User » AU 1994-04.adf » !StarInfo_StarInfo » Vlietinck/FFTscreen
Vlietinck/FFTscreen
This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.
Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.
| Tape/disk: | Home » Archimedes archive » Acorn User » AU 1994-04.adf » !StarInfo_StarInfo |
| Filename: | Vlietinck/FFTscreen |
| Read OK: | ✔ |
| File size: | 1963 bytes |
| Load address: | 0000 |
| Exec address: | 0000 |
File contents
10REM >FFTscreen
20REM by Jan Vlietinck
30REM (c) AU April 1994
40:
50MODE 13
60OFF
70pw=8
80dm=2^pw
90PROC_ass(dm)
100ORIGIN 640,512
110FOR f=1 TO 10
120 CLS
130 PROCfft(f)
140 CALL begin
150 w=GET
160NEXT
170END
180
190DEF PROCfft(f)
200CASE f OF
210 WHEN 1:
220 RECTANGLE FILL -30,-5,60,10
230 RECTANGLE FILL -5,-30,10,60
240 WHEN 2:
250 ELLIPSE FILL 0,0,16,32
260 WHEN 3:
270 RECTANGLE FILL -16,-16,32
280 WHEN 4:
290 t=INT(16*SQR(3))
300 MOVE -t,-16
310 MOVE t+4,-16
320 PLOT 85,0,32
330 WHEN 5:
340 r=16
350 s=4
360 CIRCLE FILL -r,0,s
370 CIRCLE FILL r,0,s
380 CIRCLE FILL 0,-r,s
390 CIRCLE FILL 0, r,s
400 WHEN 6:
410 CIRCLE FILL -16,0,16
420 CIRCLE FILL 16,0,16
430 WHEN 7:
440 MOVE 0,0
450 MOVE -16,12
460 PLOT 85,20,12
470 MOVE 0,0
480 MOVE -16,-12
490 PLOT 85,20,-12
500 WHEN 8:
510 MOVE -20,-20
520 MOVE 20,10
530 PLOT 85, 0,30
540 WHEN 9:
550 ELLIPSE FILL 0,0,30,20,RAD(30)
560 WHEN 10:
570 FOR i=0 TO 10
580 POINT RND(64)-32,RND(64)-32
590 NEXT
600ENDCASE
610ENDPROC
620
630DEF PROCcoltable(ctable)
640swp=-1
650c=0
660m=15
670FOR k=0 TO m
680 PROCput(c+(k AND %1100)*5.25,k AND %11)
690NEXT
700FOR t=1 TO 3
710 c=t
720 m=4*(4-t)-1
730 PROCside( 4)
740 PROCside(- 1)
750 PROCside( 16)
760 PROCside(- 4)
770 PROCside( 1)
780 PROCside(-16)
790NEXT
800ENDPROC
810
820DEF PROCside(rgb)
830FOR i=1 TO t
840 c+=rgb
850 FOR k=m*(1-swp)/2 TO m*(1+swp)/2 STEP swp
860 PROCput(c+(k AND %1100)*5.25,k AND %11)
870 NEXT
880 swp=-swp
890NEXT
900ENDPROC
910
920DEF PROCput(c,t)
930b1=(c>>5) AND 1
940b2=(c>>4) AND 1
950g1=(c>>3) AND 1
960g2=(c>>2) AND 1
970r1=(c>>1) AND 1
980r2=(c>>0) AND 1
990col=t+4*(r2+2*(b2+2*(r1+2*(g2+2*(g1+2*b1)))))
1000?ctable=col
1010ctable+=1
1020ENDPROC
1030
1040DEF PROC_ass(nr)
1050LOCAL n
1060DIM cstabel nr*2*4
1070FOR i=0 TO nr-1
1080 h=-2*PI*i/nr
1090 cstabel!(8*i)=0.5+COS(h)*2^12
1100 cstabel!(8*i+4)=0.5+SIN(h)*2^12
1110NEXT
1120DIM atable dm*dm*8
1130DIM ctable 256
1140PROCcoltable(ctable)
1150n=0
1160i=1
1170j=2
1180xi=3
1190yi=4
1200xj=5
1210yj=6
1220t=7
1230a=8
1240c=9
1250s=10
1260l=11
1270q=12
1280k=13
1290lk=14
1300w=11
1310sp=13
1320DIM Q% 4000
1330FOR pass=0 TO 2 STEP 2
1340P%=Q%
1350[OPT pass
1360.cstab EQUD cstabel
1370.ctd EQUD ctable
1380.spd EQUD 0
1390.cnd EQUD 0
1400.ad EQUD atable
1410.fft_x FNfft(0)
1420]
1430NEXT
1440Q%=P%
1450FOR pass=0 TO 2 STEP 2
1460P%=Q%
1470[OPT pass
1480.fft_y FNfft(pw)
1490]
1500NEXT
1510Q%=P%
1520FOR pass=0 TO 2 STEP 2
1530P%=Q%
1540[OPT pass
1550.begin
1560 STMFD (sp)!,{lk}
1570 BL set
1580 BL scan_screen
1590 BL fft_2D
1600 BL write_screen
1610 LDMFD (sp)!,{pc}
1620
1630.screend
1640 EQUD 148
1650 EQUD -1
1660.screen EQUD 0
1670
1680.set
1690 ADR r0,screend
1700 ADR r1,screen
1710 SWI "OS_ReadVduVariables"
1720 MOV pc,lk
1730
1740.scan_screen
1750 LDR s,screen
1760 ADD s,s,#(320-dm)/2
1770 ADD s,s,#(256-dm)/2*320
1780 LDR a,ad
1790 MOV q,#0
1800 MOV j,#dm
1810.y_scan
1820 MOV i,#dm
1830.x_scan
1840 LDRB t,[s],#1
1850 MOV t,t,LSL #8
1860 STMIA (a)!,{t,q}
1870 SUBS i,i,#1
1880 BNE x_scan
1890 ADD s,s,#(320-dm)
1900 SUBS j,j,#1
1910 BNE y_scan
1920 MOV pc,lk
1930
1940.write_screen
1950 LDR s,screen
1960 ADD s,s,#(320-dm)/2
1970 ADD s,s,#(256-dm)/2*320
1980 LDR n,ctd
1990 LDR a,ad
2000 MOV q,#0
2010 MOV j,#(dm-1)
2020.y_write
2030 MOV i,#(dm-1)
2040.x_write
2050 LDMIA (a)!,{t,w}
2060 MUL q,t,t
2070 MLA q,w,w,q
2080 MOV w,#0
2090 ADD t,w,#1<<30
2100 CMP q,t
2110 SUBHS q,q,t
2120 ADC w,w,w
2130]
2140FOR i%=2 TO 30 STEP 2
2150[OPT pass
2160 ADD t,w,#1<<30
2170 CMP q,t,ROR #i%
2180 SUBHS q,q,t,ROR #i%
2190 ADC w,w,w
2200]
2210NEXT
2220[OPT pass
2230 ADD xi,i,#dm/2
2240 AND xi,xi,#(dm-1)
2250 ADD yi,j,#dm/2
2260 AND yi,yi,#(dm-1)
2270 ADD t,yi,yi,LSL #2
2280 ADD t,xi,t,LSL #6
2290 MOV w,w,ASR #6
2300 ADD w,w,#64
2310 AND w,w,#255
2320 LDRB w,[n,w]
2330 STRB w,[s,t]
2340 SUBS i,i,#1
2350 BPL x_write
2360 SUBS j,j,#1
2370 BPL y_write
2380 MOV pc,lk
2390
2400.fft_2D
2410 STMFD (sp)!,{lk}
2420 STR sp,spd
2430 LDR a,ad
2440 MOV t,#dm
2450 STR t,cnd
2460.x_loop
2470 MOV i,#dm-1
2480 MOV c,#0
2490.t_loop
2500 LDR j,[a,i,LSL #3]
2510 ADD c,c,j
2520 SUBS i,i,#1
2530 BPL t_loop
2540 CMP c,#0
2550 BLNE fft_x
2560 ADD a,a,#dm*8
2570 LDR t,cnd
2580 SUBS t,t,#1
2590 STR t,cnd
2600 BNE x_loop
2610 LDR a,ad
2620 MOV t,#dm
2630 STR t,cnd
2640.y_loop
2650 BL fft_y
2660 ADD a,a,#8
2670 LDR t,cnd
2680 SUBS t,t,#1
2690 STR t,cnd
2700 BNE y_loop
2710 LDR sp,spd
2720 LDMFD (sp)!,{pc}
2730]:NEXT
2740ENDPROC
2750
2760DEF FNfft(pw)
2770[OPT pass
2780; Bit reversal
2790 MOV n,#dm
2800 MOV i,#0
2810 MOV j,#0
2820.for
2830 CMP i,j
2840 BHS endif
2850 ADD t,a,i,LSL #3+pw
2860 ADD q,a,j,LSL #3+pw
2870 LDMIA t,{xi,yi}
2880 LDMIA q,{xj,yj}
2890 STMIA t,{xj,yj}
2900 STMIA q,{xi,yi}
2910.endif
2920 MOV l,n,LSR #1
2930.while
2940 CMP l,j
2950 BHI endwhile
2960 SUB j,j,l
2970 MOV l,l,LSR #1
2980 BAL while
2990.endwhile
3000 ADD j,j,l
3010 ADD i,i,#1
3020 SUB t,n,i
3030 CMP t,#2
3040 BHI for
3050
3060; fft
3070 MOV t,#0
3080 STR t,dat
3090 MOV k,n,LSR #1
3100 MOV l,#1
3110.for1
3120 MOV j,#0
3130.for2
3140 LDR q,cstab
3150 MUL t,j,k
3160 ADD t,q,t,LSL #3
3170 LDMIA t,{c,s}
3180 MOV i,j
3190.for3
3200 ADD t,a,i,LSL #3+pw
3210 LDMIA t,{xi,yi}
3220 ADD t,t,l,LSL #3+pw
3230 LDMIA t,{xj,yj}
3240 MUL t,s,yj
3250 RSB t,t,#0
3260 MLA t,c,xj,t
3270 MUL q,s,xj
3280 MLA q,c,yj,q
3290 SUB xj,xi,t,ASR #12
3300 SUB yj,yi,q,ASR #12
3310 ADD xi,xi,t,ASR #12
3320 ADD yi,yi,q,ASR #12
3330 ADD t,a,i,LSL #3+pw
3340 STMIA t,{xi,yi}
3350 ADD t,t,l,LSL #3+pw
3360 STMIA t,{xj,yj}
3370 ADD i,i,l,LSL #1
3380 CMP i,n
3390 BLO for3
3400 ADD j,j,#1
3410 CMP j,l
3420 BLO for2
3430 LDR t,dat
3440 ADD t,t,#1
3450 CMP t,#2
3460 MOVEQ t,#0
3470 STR t,dat
3480 BEQ skip
3490 MOV j,#0
3500.for4
3510 ADD t,a,j,LSL #3+pw
3520 LDMIA t,{xj,yj}
3530 MOV xj,xj,ASR #1
3540 MOV yj,yj,ASR #1
3550 STMIA t,{xj,yj}
3560 ADD j,j,#1
3570 CMP j,n
3580 BLO for4
3590.skip
3600 MOV l,l,LSL #1
3610 MOVS k,k,LSR #1
3620 BNE for1
3630 MOV pc,lk
3640.dat EQUD 0
3650]
3660=""
� >FFTscreen
� by Jan Vlietinck
� (c) AU April 1994
(:
2� 13
<�
Fpw=8
P dm=2^pw
Z
�_ass(dm)
dȑ 640,512
n� f=1 � 10
x �
� �fft(f)
� � begin
� w=�
��
��
�
�
� �fft(f)
�
Ȏ f �
� � 1:
� ȓ Ȑ -30,-5,60,10
� ȓ Ȑ -5,-30,10,60
� � 2:
� ȝ Ȑ 0,0,16,32
� 3:
ȓ Ȑ -16,-16,32
� 4:
" t=�(16*�(3))
, � -t,-16
6 � t+4,-16
@ � 85,0,32
J � 5:
T
r=16
^ s=4
h ȏ Ȑ -r,0,s
r ȏ Ȑ r,0,s
| ȏ Ȑ 0,-r,s
� ȏ Ȑ 0, r,s
� � 6:
� ȏ Ȑ -16,0,16
� ȏ Ȑ 16,0,16
� � 7:
� � 0,0
� � -16,12
� � 85,20,12
� � 0,0
� � -16,-12
� � 85,20,-12
� � 8:
� � -20,-20
� 20,10
� 85, 0,30
� 9:
& ȝ Ȑ 0,0,30,20,�(30)
0
� 10:
: � i=0 � 10
D Ȓ �(64)-32,�(64)-32
N �
X�
b�
l
v� �coltable(ctable)
�
swp=-1
�c=0
�m=15
�
� k=0 � m
�% �put(c+(k � %1100)*5.25,k � %11)
��
�
� t=1 � 3
� c=t
� m=4*(4-t)-1
� �side( 4)
� �side(- 1)
� �side( 16)
� �side(- 4)
�side( 1)
�side(-16)
�
�
*
4� �side(rgb)
>
� i=1 � t
H c+=rgb
R( � k=m*(1-swp)/2 � m*(1+swp)/2 � swp
\& �put(c+(k � %1100)*5.25,k � %11)
f �
p
swp=-swp
z�
��
�
�� �put(c,t)
�b1=(c>>5) � 1
�b2=(c>>4) � 1
�g1=(c>>3) � 1
�g2=(c>>2) � 1
�r1=(c>>1) � 1
�r2=(c>>0) � 1
�1col=t+4*(r2+2*(b2+2*(r1+2*(g2+2*(g1+2*b1)))))
�?ctable=col
�
ctable+=1
��
� �_ass(nr)
� n
$� cstabel nr*2*4
.� i=0 � nr-1
8 h=-2*�*i/nr
B cstabel!(8*i)=0.5+�(h)*2^12
L" cstabel!(8*i+4)=0.5+�(h)*2^12
V�
`� atable dm*dm*8
j� ctable 256
t�coltable(ctable)
~n=0
�i=1
�j=2
�xi=3
�yi=4
�xj=5
�yj=6
�t=7
�a=8
�c=9
�s=10
�l=11
�q=12
k=13
lk=14
w=11
sp=13
(
� Q% 4000
2� pass=0 � 2 � 2
< P%=Q%
F
[OPT pass
P.cstab EQUD cstabel
Z.ctd EQUD ctable
d.spd EQUD 0
n.cnd EQUD 0
x.ad EQUD atable
�.fft_x �fft(0)
�]
��
� Q%=P%
�� pass=0 � 2 � 2
� P%=Q%
�
[OPT pass
�.fft_y �fft(pw)
�]
��
� Q%=P%
�� pass=0 � 2 � 2
� P%=Q%
[OPT pass
.begin
STMFD (sp)!,{lk}
" BL set
, BL scan_screen
6 BL fft_2D
@ BL write_screen
J LDMFD (sp)!,{pc}
T
^ .screend
h EQUD 148
r EQUD -1
|.screen EQUD 0
�
�.set
� ADR r0,screend
� ADR r1,screen
�% SWI "OS_ReadVduVariables"
� MOV pc,lk
�
�.scan_screen
� LDR s,screen
� ADD s,s,#(320-dm)/2
�# ADD s,s,#(256-dm)/2*320
� LDR a,ad
� MOV q,#0
MOV j,#dm
.y_scan
MOV i,#dm
& .x_scan
0 LDRB t,[s],#1
: MOV t,t,LSL #8
D STMIA (a)!,{t,q}
N SUBS i,i,#1
X BNE x_scan
b ADD s,s,#(320-dm)
l SUBS j,j,#1
v BNE y_scan
� MOV pc,lk
�
�.write_screen
� LDR s,screen
� ADD s,s,#(320-dm)/2
�# ADD s,s,#(256-dm)/2*320
� LDR n,ctd
� LDR a,ad
� MOV q,#0
� MOV j,#(dm-1)
� .y_write
� MOV i,#(dm-1)
� .x_write
LDMIA (a)!,{t,w}
MUL q,t,t
MLA q,w,w,q
MOV w,#0
* ADD t,w,#1<<30
4 CMP q,t
> SUBHS q,q,t
H ADC w,w,w
R]
\� i%=2 � 30 � 2
f
[OPT pass
p ADD t,w,#1<<30
z CMP q,t,ROR #i%
� SUBHS q,q,t,ROR #i%
� ADC w,w,w
�]
��
�
[OPT pass
� ADD xi,i,#dm/2
� � xi,xi,#(dm-1)
� ADD yi,j,#dm/2
� � yi,yi,#(dm-1)
� ADD t,yi,yi,LSL #2
� ADD t,xi,t,LSL #6
� MOV w,w,ASR #6
� ADD w,w,#64
� w,w,#255
LDRB w,[n,w]
STRB w,[s,t]
$ SUBS i,i,#1
. BPL x_write
8 SUBS j,j,#1
B BPL y_write
L MOV pc,lk
V
` .fft_2D
j STMFD (sp)!,{lk}
t STR sp,spd
~ LDR a,ad
� MOV t,#dm
� STR t,cnd
� .x_loop
� MOV i,#dm-1
� MOV c,#0
� .t_loop
� LDR j,[a,i,LSL #3]
� ADD c,c,j
� SUBS i,i,#1
� BPL t_loop
� CMP c,#0
� BLNE fft_x
ADD a,a,#dm*8
LDR t,cnd
SUBS t,t,#1
STR t,cnd
( BNE x_loop
2 LDR a,ad
< MOV t,#dm
F STR t,cnd
P .y_loop
Z BL fft_y
d ADD a,a,#8
n LDR t,cnd
x SUBS t,t,#1
� STR t,cnd
� BNE y_loop
� LDR sp,spd
� LDMFD (sp)!,{pc}
�]:�
��
�
�� �fft(pw)
�
[OPT pass
�; Bit reversal
� MOV n,#dm
� MOV i,#0
� MOV j,#0
.for
CMP i,j
BHS endif
" ADD t,a,i,LSL #3+pw
, ADD q,a,j,LSL #3+pw
6 LDMIA t,{xi,yi}
@ LDMIA q,{xj,yj}
J STMIA t,{xj,yj}
T STMIA q,{xi,yi}
^
.endif
h MOV l,n,LSR #1
r
.while
| CMP l,j
� BHI endwhile
� SUB j,j,l
� MOV l,l,LSR #1
� BAL while
�
.endwhile
� ADD j,j,l
� ADD i,i,#1
� SUB t,n,i
� CMP t,#2
� BHI for
�
� ; fft
� MOV t,#0
STR t,dat
MOV k,n,LSR #1
MOV l,#1
& .for1
0 MOV j,#0
: .for2
D LDR q,cstab
N MUL t,j,k
X ADD t,q,t,LSL #3
b LDMIA t,{c,s}
l MOV i,j
v .for3
� ADD t,a,i,LSL #3+pw
� LDMIA t,{xi,yi}
� ADD t,t,l,LSL #3+pw
� LDMIA t,{xj,yj}
� MUL t,s,yj
� RSB t,t,#0
� MLA t,c,xj,t
� MUL q,s,xj
� MLA q,c,yj,q
� SUB xj,xi,t,ASR #12
� SUB yj,yi,q,ASR #12
� ADD xi,xi,t,ASR #12
� ADD yi,yi,q,ASR #12
ADD t,a,i,LSL #3+pw
STMIA t,{xi,yi}
ADD t,t,l,LSL #3+pw
STMIA t,{xj,yj}
* ADD i,i,l,LSL #1
4 CMP i,n
> BLO for3
H ADD j,j,#1
R CMP j,l
\ BLO for2
f LDR t,dat
p ADD t,t,#1
z CMP t,#2
� �Q t,#0
� STR t,dat
� BEQ skip
� MOV j,#0
� .for4
� ADD t,a,j,LSL #3+pw
� LDMIA t,{xj,yj}
� MOV xj,xj,ASR #1
� MOV yj,yj,ASR #1
� STMIA t,{xj,yj}
� ADD j,j,#1
� CMP j,n
� BLO for4
.skip
MOV l,l,LSL #1
MOVS k,k,LSR #1
$ BNE for1
. MOV pc,lk
8.dat EQUD 0
B]
L=""
� 00000000 0d 00 0a 14 f4 20 20 20 20 20 3e 46 46 54 73 63 |..... >FFTsc|
00000010 72 65 65 6e 0d 00 14 17 f4 20 62 79 20 20 4a 61 |reen..... by Ja|
00000020 6e 20 56 6c 69 65 74 69 6e 63 6b 0d 00 1e 17 f4 |n Vlietinck.....|
00000030 20 28 63 29 20 41 55 20 41 70 72 69 6c 20 31 39 | (c) AU April 19|
00000040 39 34 0d 00 28 05 3a 0d 00 32 08 eb 20 31 33 0d |94..(.:..2.. 13.|
00000050 00 3c 05 87 0d 00 46 08 70 77 3d 38 0d 00 50 0b |.<....F.pw=8..P.|
00000060 64 6d 3d 32 5e 70 77 0d 00 5a 0d f2 5f 61 73 73 |dm=2^pw..Z.._ass|
00000070 28 64 6d 29 0d 00 64 0e c8 91 20 36 34 30 2c 35 |(dm)..d... 640,5|
00000080 31 32 0d 00 6e 0e e3 20 66 3d 31 20 b8 20 31 30 |12..n.. f=1 . 10|
00000090 0d 00 78 06 20 db 0d 00 82 0c 20 f2 66 66 74 28 |..x. ..... .fft(|
000000a0 66 29 0d 00 8c 0c 20 d6 20 62 65 67 69 6e 0d 00 |f).... . begin..|
000000b0 96 08 20 77 3d a5 0d 00 a0 05 ed 0d 00 aa 05 e0 |.. w=...........|
000000c0 0d 00 b4 04 0d 00 be 0d dd 20 f2 66 66 74 28 66 |......... .fft(f|
000000d0 29 0d 00 c8 0a c8 8e 20 66 20 ca 0d 00 d2 09 20 |)...... f ..... |
000000e0 c9 20 31 3a 0d 00 dc 18 20 20 c8 93 20 c8 90 20 |. 1:.... .. .. |
000000f0 2d 33 30 2c 2d 35 2c 36 30 2c 31 30 0d 00 e6 18 |-30,-5,60,10....|
00000100 20 20 c8 93 20 c8 90 20 2d 35 2c 2d 33 30 2c 31 | .. .. -5,-30,1|
00000110 30 2c 36 30 0d 00 f0 09 20 c9 20 32 3a 0d 00 fa |0,60.... . 2:...|
00000120 15 20 20 c8 9d 20 c8 90 20 30 2c 30 2c 31 36 2c |. .. .. 0,0,16,|
00000130 33 32 0d 01 04 09 20 c9 20 33 3a 0d 01 0e 16 20 |32.... . 3:.... |
00000140 20 c8 93 20 c8 90 20 2d 31 36 2c 2d 31 36 2c 33 | .. .. -16,-16,3|
00000150 32 0d 01 18 09 20 c9 20 34 3a 0d 01 22 12 20 20 |2.... . 4:..". |
00000160 74 3d a8 28 31 36 2a b6 28 33 29 29 0d 01 2c 0e |t=.(16*.(3))..,.|
00000170 20 20 ec 20 2d 74 2c 2d 31 36 0d 01 36 10 20 20 | . -t,-16..6. |
00000180 ec 20 20 74 2b 34 2c 2d 31 36 0d 01 40 0f 20 20 |. t+4,-16..@. |
00000190 f0 20 38 35 2c 30 2c 33 32 0d 01 4a 09 20 c9 20 |. 85,0,32..J. . |
000001a0 35 3a 0d 01 54 0a 20 20 72 3d 31 36 0d 01 5e 09 |5:..T. r=16..^.|
000001b0 20 20 73 3d 34 0d 01 68 12 20 20 c8 8f 20 c8 90 | s=4..h. .. ..|
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000002c0 0d 02 1c 09 20 c9 20 39 3a 0d 02 26 1b 20 20 c8 |.... . 9:..&. .|
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00000620 65 20 64 6d 2a 64 6d 2a 38 0d 04 6a 10 de 20 63 |e dm*dm*8..j.. c|
00000630 74 61 62 6c 65 20 32 35 36 0d 04 74 15 f2 63 6f |table 256..t..co|
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00000750 6e 64 20 20 20 20 45 51 55 44 20 30 0d 05 78 17 |nd EQUD 0..x.|
00000760 2e 61 64 20 20 20 20 20 45 51 55 44 20 61 74 61 |.ad EQUD ata|
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00000810 70 61 73 73 0d 06 0e 0a 2e 62 65 67 69 6e 0d 06 |pass.....begin..|
00000820 18 1c 20 20 20 20 20 20 20 20 53 54 4d 46 44 20 |.. STMFD |
00000830 28 73 70 29 21 2c 7b 6c 6b 7d 0d 06 22 12 20 20 |(sp)!,{lk}..". |
00000840 20 20 20 20 20 20 42 4c 20 73 65 74 0d 06 2c 1a | BL set..,.|
00000850 20 20 20 20 20 20 20 20 42 4c 20 73 63 61 6e 5f | BL scan_|
00000860 73 63 72 65 65 6e 0d 06 36 15 20 20 20 20 20 20 |screen..6. |
00000870 20 20 42 4c 20 66 66 74 5f 32 44 0d 06 40 1b 20 | BL fft_2D..@. |
00000880 20 20 20 20 20 20 20 42 4c 20 77 72 69 74 65 5f | BL write_|
00000890 73 63 72 65 65 6e 0d 06 4a 1c 20 20 20 20 20 20 |screen..J. |
000008a0 20 20 4c 44 4d 46 44 20 28 73 70 29 21 2c 7b 70 | LDMFD (sp)!,{p|
000008b0 63 7d 0d 06 54 04 0d 06 5e 0c 2e 73 63 72 65 65 |c}..T...^..scree|
000008c0 6e 64 0d 06 68 14 20 20 20 20 20 20 20 20 45 51 |nd..h. EQ|
000008d0 55 44 20 31 34 38 0d 06 72 13 20 20 20 20 20 20 |UD 148..r. |
000008e0 20 20 45 51 55 44 20 2d 31 0d 06 7c 12 2e 73 63 | EQUD -1..|..sc|
000008f0 72 65 65 6e 20 45 51 55 44 20 30 0d 06 86 04 0d |reen EQUD 0.....|
00000900 06 90 08 2e 73 65 74 0d 06 9a 1a 20 20 20 20 20 |....set.... |
00000910 20 20 20 41 44 52 20 72 30 2c 73 63 72 65 65 6e | ADR r0,screen|
00000920 64 0d 06 a4 19 20 20 20 20 20 20 20 20 41 44 52 |d.... ADR|
00000930 20 72 31 2c 73 63 72 65 65 6e 0d 06 ae 25 20 20 | r1,screen...% |
00000940 20 20 20 20 20 20 53 57 49 20 22 4f 53 5f 52 65 | SWI "OS_Re|
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00000990 20 20 20 20 4c 44 52 20 73 2c 73 63 72 65 65 6e | LDR s,screen|
000009a0 0d 06 e0 1f 20 20 20 20 20 20 20 20 41 44 44 20 |.... ADD |
000009b0 73 2c 73 2c 23 28 33 32 30 2d 64 6d 29 2f 32 0d |s,s,#(320-dm)/2.|
000009c0 06 ea 23 20 20 20 20 20 20 20 20 41 44 44 20 73 |..# ADD s|
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000009e0 32 30 0d 06 f4 14 20 20 20 20 20 20 20 20 4c 44 |20.... LD|
000009f0 52 20 61 2c 61 64 0d 06 fe 14 20 20 20 20 20 20 |R a,ad.... |
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00000a10 20 20 20 20 20 20 4d 4f 56 20 6a 2c 23 64 6d 0d | MOV j,#dm.|
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00000a30 20 20 20 20 20 20 4d 4f 56 20 69 2c 23 64 6d 0d | MOV i,#dm.|
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00000a80 1c 20 20 20 20 20 20 20 20 53 54 4d 49 41 20 28 |. STMIA (|
00000a90 61 29 21 2c 7b 74 2c 71 7d 0d 07 4e 17 20 20 20 |a)!,{t,q}..N. |
00000aa0 20 20 20 20 20 53 55 42 53 20 69 2c 69 2c 23 31 | SUBS i,i,#1|
00000ab0 0d 07 58 16 20 20 20 20 20 20 20 20 42 4e 45 20 |..X. BNE |
00000ac0 78 5f 73 63 61 6e 0d 07 62 1d 20 20 20 20 20 20 |x_scan..b. |
00000ad0 20 20 41 44 44 20 73 2c 73 2c 23 28 33 32 30 2d | ADD s,s,#(320-|
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00000af0 55 42 53 20 6a 2c 6a 2c 23 31 0d 07 76 16 20 20 |UBS j,j,#1..v. |
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00000b20 70 63 2c 6c 6b 0d 07 8a 04 0d 07 94 11 2e 77 72 |pc,lk.........wr|
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00000b50 65 6e 0d 07 a8 1f 20 20 20 20 20 20 20 20 41 44 |en.... AD|
00000b60 44 20 73 2c 73 2c 23 28 33 32 30 2d 64 6d 29 2f |D s,s,#(320-dm)/|
00000b70 32 0d 07 b2 23 20 20 20 20 20 20 20 20 41 44 44 |2...# ADD|
00000b80 20 73 2c 73 2c 23 28 32 35 36 2d 64 6d 29 2f 32 | s,s,#(256-dm)/2|
00000b90 2a 33 32 30 0d 07 bc 15 20 20 20 20 20 20 20 20 |*320.... |
00000ba0 4c 44 52 20 6e 2c 63 74 64 0d 07 c6 14 20 20 20 |LDR n,ctd.... |
00000bb0 20 20 20 20 20 4c 44 52 20 61 2c 61 64 0d 07 d0 | LDR a,ad...|
00000bc0 14 20 20 20 20 20 20 20 20 4d 4f 56 20 71 2c 23 |. MOV q,#|
00000bd0 30 0d 07 da 19 20 20 20 20 20 20 20 20 4d 4f 56 |0.... MOV|
00000be0 20 6a 2c 23 28 64 6d 2d 31 29 0d 07 e4 0c 2e 79 | j,#(dm-1).....y|
00000bf0 5f 77 72 69 74 65 0d 07 ee 19 20 20 20 20 20 20 |_write.... |
00000c00 20 20 4d 4f 56 20 69 2c 23 28 64 6d 2d 31 29 0d | MOV i,#(dm-1).|
00000c10 07 f8 0c 2e 78 5f 77 72 69 74 65 0d 08 02 1c 20 |....x_write.... |
00000c20 20 20 20 20 20 20 20 4c 44 4d 49 41 20 28 61 29 | LDMIA (a)|
00000c30 21 2c 7b 74 2c 77 7d 0d 08 0c 15 20 20 20 20 20 |!,{t,w}.... |
00000c40 20 20 20 4d 55 4c 20 71 2c 74 2c 74 0d 08 16 17 | MUL q,t,t....|
00000c50 20 20 20 20 20 20 20 20 4d 4c 41 20 71 2c 77 2c | MLA q,w,|
00000c60 77 2c 71 0d 08 20 14 20 20 20 20 20 20 20 20 4d |w,q.. . M|
00000c70 4f 56 20 77 2c 23 30 0d 08 2a 1a 20 20 20 20 20 |OV w,#0..*. |
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00000c90 30 0d 08 34 13 20 20 20 20 20 20 20 20 43 4d 50 |0..4. CMP|
00000ca0 20 71 2c 74 0d 08 3e 17 20 20 20 20 20 20 20 20 | q,t..>. |
00000cb0 53 55 42 48 53 20 71 2c 71 2c 74 0d 08 48 15 20 |SUBHS q,q,t..H. |
00000cc0 20 20 20 20 20 20 20 41 44 43 20 77 2c 77 2c 77 | ADC w,w,w|
00000cd0 0d 08 52 05 5d 0d 08 5c 13 e3 20 69 25 3d 32 20 |..R.]..\.. i%=2 |
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00000cf0 20 70 61 73 73 0d 08 70 1a 20 20 20 20 20 20 20 | pass..p. |
00000d00 20 41 44 44 20 74 2c 77 2c 23 31 3c 3c 33 30 0d | ADD t,w,#1<<30.|
00000d10 08 7a 1b 20 20 20 20 20 20 20 20 43 4d 50 20 71 |.z. CMP q|
00000d20 2c 74 2c 52 4f 52 20 23 69 25 0d 08 84 1f 20 20 |,t,ROR #i%.... |
00000d30 20 20 20 20 20 20 53 55 42 48 53 20 71 2c 71 2c | SUBHS q,q,|
00000d40 74 2c 52 4f 52 20 23 69 25 0d 08 8e 15 20 20 20 |t,ROR #i%.... |
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00000d60 98 05 5d 0d 08 a2 05 ed 0d 08 ac 0d 5b 4f 50 54 |..].........[OPT|
00000d70 20 70 61 73 73 0d 08 b6 1a 20 20 20 20 20 20 20 | pass.... |
00000d80 20 41 44 44 20 78 69 2c 69 2c 23 64 6d 2f 32 0d | ADD xi,i,#dm/2.|
00000d90 08 c0 1b 20 20 20 20 20 20 20 20 80 20 78 69 2c |... . xi,|
00000da0 78 69 2c 23 28 64 6d 2d 31 29 0d 08 ca 1a 20 20 |xi,#(dm-1).... |
00000db0 20 20 20 20 20 20 41 44 44 20 79 69 2c 6a 2c 23 | ADD yi,j,#|
00000dc0 64 6d 2f 32 0d 08 d4 1b 20 20 20 20 20 20 20 20 |dm/2.... |
00000dd0 80 20 79 69 2c 79 69 2c 23 28 64 6d 2d 31 29 0d |. yi,yi,#(dm-1).|
00000de0 08 de 1e 20 20 20 20 20 20 20 20 41 44 44 20 74 |... ADD t|
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00000e60 35 0d 09 10 18 20 20 20 20 20 20 20 20 4c 44 52 |5.... LDR|
00000e70 42 20 77 2c 5b 6e 2c 77 5d 0d 09 1a 18 20 20 20 |B w,[n,w].... |
00000e80 20 20 20 20 20 53 54 52 42 20 77 2c 5b 73 2c 74 | STRB w,[s,t|
00000e90 5d 0d 09 24 17 20 20 20 20 20 20 20 20 53 55 42 |]..$. SUB|
00000ea0 53 20 69 2c 69 2c 23 31 0d 09 2e 17 20 20 20 20 |S i,i,#1.... |
00000eb0 20 20 20 20 42 50 4c 20 78 5f 77 72 69 74 65 0d | BPL x_write.|
00000ec0 09 38 17 20 20 20 20 20 20 20 20 53 55 42 53 20 |.8. SUBS |
00000ed0 6a 2c 6a 2c 23 31 0d 09 42 17 20 20 20 20 20 20 |j,j,#1..B. |
00000ee0 20 20 42 50 4c 20 79 5f 77 72 69 74 65 0d 09 4c | BPL y_write..L|
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00000f00 6c 6b 0d 09 56 04 0d 09 60 0b 2e 66 66 74 5f 32 |lk..V...`..fft_2|
00000f10 44 0d 09 6a 1c 20 20 20 20 20 20 20 20 53 54 4d |D..j. STM|
00000f20 46 44 20 28 73 70 29 21 2c 7b 6c 6b 7d 0d 09 74 |FD (sp)!,{lk}..t|
00000f30 16 20 20 20 20 20 20 20 20 53 54 52 20 73 70 2c |. STR sp,|
00000f40 73 70 64 0d 09 7e 14 20 20 20 20 20 20 20 20 4c |spd..~. L|
00000f50 44 52 20 61 2c 61 64 0d 09 88 15 20 20 20 20 20 |DR a,ad.... |
00000f60 20 20 20 4d 4f 56 20 74 2c 23 64 6d 0d 09 92 15 | MOV t,#dm....|
00000f70 20 20 20 20 20 20 20 20 53 54 52 20 74 2c 63 6e | STR t,cn|
00000f80 64 0d 09 9c 0b 2e 78 5f 6c 6f 6f 70 0d 09 a6 17 |d.....x_loop....|
00000f90 20 20 20 20 20 20 20 20 4d 4f 56 20 69 2c 23 64 | MOV i,#d|
00000fa0 6d 2d 31 0d 09 b0 14 20 20 20 20 20 20 20 20 4d |m-1.... M|
00000fb0 4f 56 20 63 2c 23 30 0d 09 ba 0b 2e 74 5f 6c 6f |OV c,#0.....t_lo|
00000fc0 6f 70 0d 09 c4 1e 20 20 20 20 20 20 20 20 4c 44 |op.... LD|
00000fd0 52 20 6a 2c 5b 61 2c 69 2c 4c 53 4c 20 23 33 5d |R j,[a,i,LSL #3]|
00000fe0 0d 09 ce 15 20 20 20 20 20 20 20 20 41 44 44 20 |.... ADD |
00000ff0 63 2c 63 2c 6a 0d 09 d8 17 20 20 20 20 20 20 20 |c,c,j.... |
00001000 20 53 55 42 53 20 69 2c 69 2c 23 31 0d 09 e2 16 | SUBS i,i,#1....|
00001010 20 20 20 20 20 20 20 20 42 50 4c 20 74 5f 6c 6f | BPL t_lo|
00001020 6f 70 0d 09 ec 14 20 20 20 20 20 20 20 20 43 4d |op.... CM|
00001030 50 20 63 2c 23 30 0d 09 f6 16 20 20 20 20 20 20 |P c,#0.... |
00001040 20 20 42 4c 4e 45 20 66 66 74 5f 78 0d 0a 00 19 | BLNE fft_x....|
00001050 20 20 20 20 20 20 20 20 41 44 44 20 61 2c 61 2c | ADD a,a,|
00001060 23 64 6d 2a 38 0d 0a 0a 15 20 20 20 20 20 20 20 |#dm*8.... |
00001070 20 4c 44 52 20 74 2c 63 6e 64 0d 0a 14 17 20 20 | LDR t,cnd.... |
00001080 20 20 20 20 20 20 53 55 42 53 20 74 2c 74 2c 23 | SUBS t,t,#|
00001090 31 0d 0a 1e 15 20 20 20 20 20 20 20 20 53 54 52 |1.... STR|
000010a0 20 74 2c 63 6e 64 0d 0a 28 16 20 20 20 20 20 20 | t,cnd..(. |
000010b0 20 20 42 4e 45 20 78 5f 6c 6f 6f 70 0d 0a 32 14 | BNE x_loop..2.|
000010c0 20 20 20 20 20 20 20 20 4c 44 52 20 61 2c 61 64 | LDR a,ad|
000010d0 0d 0a 3c 15 20 20 20 20 20 20 20 20 4d 4f 56 20 |..<. MOV |
000010e0 74 2c 23 64 6d 0d 0a 46 15 20 20 20 20 20 20 20 |t,#dm..F. |
000010f0 20 53 54 52 20 74 2c 63 6e 64 0d 0a 50 0b 2e 79 | STR t,cnd..P..y|
00001100 5f 6c 6f 6f 70 0d 0a 5a 14 20 20 20 20 20 20 20 |_loop..Z. |
00001110 20 42 4c 20 66 66 74 5f 79 0d 0a 64 16 20 20 20 | BL fft_y..d. |
00001120 20 20 20 20 20 41 44 44 20 61 2c 61 2c 23 38 0d | ADD a,a,#8.|
00001130 0a 6e 15 20 20 20 20 20 20 20 20 4c 44 52 20 74 |.n. LDR t|
00001140 2c 63 6e 64 0d 0a 78 17 20 20 20 20 20 20 20 20 |,cnd..x. |
00001150 53 55 42 53 20 74 2c 74 2c 23 31 0d 0a 82 15 20 |SUBS t,t,#1.... |
00001160 20 20 20 20 20 20 20 53 54 52 20 74 2c 63 6e 64 | STR t,cnd|
00001170 0d 0a 8c 16 20 20 20 20 20 20 20 20 42 4e 45 20 |.... BNE |
00001180 79 5f 6c 6f 6f 70 0d 0a 96 16 20 20 20 20 20 20 |y_loop.... |
00001190 20 20 4c 44 52 20 73 70 2c 73 70 64 0d 0a a0 1c | LDR sp,spd....|
000011a0 20 20 20 20 20 20 20 20 4c 44 4d 46 44 20 28 73 | LDMFD (s|
000011b0 70 29 21 2c 7b 70 63 7d 0d 0a aa 07 5d 3a ed 0d |p)!,{pc}....]:..|
000011c0 0a b4 05 e1 0d 0a be 04 0d 0a c8 0e dd 20 a4 66 |............. .f|
000011d0 66 74 28 70 77 29 0d 0a d2 0d 5b 4f 50 54 20 70 |ft(pw)....[OPT p|
000011e0 61 73 73 0d 0a dc 12 3b 20 42 69 74 20 72 65 76 |ass....; Bit rev|
000011f0 65 72 73 61 6c 0d 0a e6 15 20 20 20 20 20 20 20 |ersal.... |
00001200 20 4d 4f 56 20 6e 2c 23 64 6d 0d 0a f0 14 20 20 | MOV n,#dm.... |
00001210 20 20 20 20 20 20 4d 4f 56 20 69 2c 23 30 0d 0a | MOV i,#0..|
00001220 fa 14 20 20 20 20 20 20 20 20 4d 4f 56 20 6a 2c |.. MOV j,|
00001230 23 30 0d 0b 04 08 2e 66 6f 72 0d 0b 0e 13 20 20 |#0.....for.... |
00001240 20 20 20 20 20 20 43 4d 50 20 69 2c 6a 0d 0b 18 | CMP i,j...|
00001250 15 20 20 20 20 20 20 20 20 42 48 53 20 65 6e 64 |. BHS end|
00001260 69 66 0d 0b 22 1f 20 20 20 20 20 20 20 20 41 44 |if..". AD|
00001270 44 20 74 2c 61 2c 69 2c 4c 53 4c 20 23 33 2b 70 |D t,a,i,LSL #3+p|
00001280 77 0d 0b 2c 1f 20 20 20 20 20 20 20 20 41 44 44 |w..,. ADD|
00001290 20 71 2c 61 2c 6a 2c 4c 53 4c 20 23 33 2b 70 77 | q,a,j,LSL #3+pw|
000012a0 0d 0b 36 1b 20 20 20 20 20 20 20 20 4c 44 4d 49 |..6. LDMI|
000012b0 41 20 74 2c 7b 78 69 2c 79 69 7d 0d 0b 40 1b 20 |A t,{xi,yi}..@. |
000012c0 20 20 20 20 20 20 20 4c 44 4d 49 41 20 71 2c 7b | LDMIA q,{|
000012d0 78 6a 2c 79 6a 7d 0d 0b 4a 1b 20 20 20 20 20 20 |xj,yj}..J. |
000012e0 20 20 53 54 4d 49 41 20 74 2c 7b 78 6a 2c 79 6a | STMIA t,{xj,yj|
000012f0 7d 0d 0b 54 1b 20 20 20 20 20 20 20 20 53 54 4d |}..T. STM|
00001300 49 41 20 71 2c 7b 78 69 2c 79 69 7d 0d 0b 5e 0a |IA q,{xi,yi}..^.|
00001310 2e 65 6e 64 69 66 0d 0b 68 1a 20 20 20 20 20 20 |.endif..h. |
00001320 20 20 4d 4f 56 20 6c 2c 6e 2c 4c 53 52 20 23 31 | MOV l,n,LSR #1|
00001330 0d 0b 72 0a 2e 77 68 69 6c 65 0d 0b 7c 13 20 20 |..r..while..|. |
00001340 20 20 20 20 20 20 43 4d 50 20 6c 2c 6a 0d 0b 86 | CMP l,j...|
00001350 18 20 20 20 20 20 20 20 20 42 48 49 20 65 6e 64 |. BHI end|
00001360 77 68 69 6c 65 0d 0b 90 15 20 20 20 20 20 20 20 |while.... |
00001370 20 53 55 42 20 6a 2c 6a 2c 6c 0d 0b 9a 1a 20 20 | SUB j,j,l.... |
00001380 20 20 20 20 20 20 4d 4f 56 20 6c 2c 6c 2c 4c 53 | MOV l,l,LS|
00001390 52 20 23 31 0d 0b a4 15 20 20 20 20 20 20 20 20 |R #1.... |
000013a0 42 41 4c 20 77 68 69 6c 65 0d 0b ae 0d 2e 65 6e |BAL while.....en|
000013b0 64 77 68 69 6c 65 0d 0b b8 15 20 20 20 20 20 20 |dwhile.... |
000013c0 20 20 41 44 44 20 6a 2c 6a 2c 6c 0d 0b c2 16 20 | ADD j,j,l.... |
000013d0 20 20 20 20 20 20 20 41 44 44 20 69 2c 69 2c 23 | ADD i,i,#|
000013e0 31 0d 0b cc 15 20 20 20 20 20 20 20 20 53 55 42 |1.... SUB|
000013f0 20 74 2c 6e 2c 69 0d 0b d6 14 20 20 20 20 20 20 | t,n,i.... |
00001400 20 20 43 4d 50 20 74 2c 23 32 0d 0b e0 13 20 20 | CMP t,#2.... |
00001410 20 20 20 20 20 20 42 48 49 20 66 6f 72 0d 0b ea | BHI for...|
00001420 04 0d 0b f4 09 3b 20 66 66 74 0d 0b fe 14 20 20 |.....; fft.... |
00001430 20 20 20 20 20 20 4d 4f 56 20 74 2c 23 30 0d 0c | MOV t,#0..|
00001440 08 15 20 20 20 20 20 20 20 20 53 54 52 20 74 2c |.. STR t,|
00001450 64 61 74 0d 0c 12 1a 20 20 20 20 20 20 20 20 4d |dat.... M|
00001460 4f 56 20 6b 2c 6e 2c 4c 53 52 20 23 31 0d 0c 1c |OV k,n,LSR #1...|
00001470 14 20 20 20 20 20 20 20 20 4d 4f 56 20 6c 2c 23 |. MOV l,#|
00001480 31 0d 0c 26 09 2e 66 6f 72 31 0d 0c 30 14 20 20 |1..&..for1..0. |
00001490 20 20 20 20 20 20 4d 4f 56 20 6a 2c 23 30 0d 0c | MOV j,#0..|
000014a0 3a 09 2e 66 6f 72 32 0d 0c 44 17 20 20 20 20 20 |:..for2..D. |
000014b0 20 20 20 4c 44 52 20 71 2c 63 73 74 61 62 0d 0c | LDR q,cstab..|
000014c0 4e 15 20 20 20 20 20 20 20 20 4d 55 4c 20 74 2c |N. MUL t,|
000014d0 6a 2c 6b 0d 0c 58 1c 20 20 20 20 20 20 20 20 41 |j,k..X. A|
000014e0 44 44 20 74 2c 71 2c 74 2c 4c 53 4c 20 23 33 0d |DD t,q,t,LSL #3.|
000014f0 0c 62 19 20 20 20 20 20 20 20 20 4c 44 4d 49 41 |.b. LDMIA|
00001500 20 74 2c 7b 63 2c 73 7d 0d 0c 6c 13 20 20 20 20 | t,{c,s}..l. |
00001510 20 20 20 20 4d 4f 56 20 69 2c 6a 0d 0c 76 09 2e | MOV i,j..v..|
00001520 66 6f 72 33 0d 0c 80 1f 20 20 20 20 20 20 20 20 |for3.... |
00001530 41 44 44 20 74 2c 61 2c 69 2c 4c 53 4c 20 23 33 |ADD t,a,i,LSL #3|
00001540 2b 70 77 0d 0c 8a 1b 20 20 20 20 20 20 20 20 4c |+pw.... L|
00001550 44 4d 49 41 20 74 2c 7b 78 69 2c 79 69 7d 0d 0c |DMIA t,{xi,yi}..|
00001560 94 1f 20 20 20 20 20 20 20 20 41 44 44 20 74 2c |.. ADD t,|
00001570 74 2c 6c 2c 4c 53 4c 20 23 33 2b 70 77 0d 0c 9e |t,l,LSL #3+pw...|
00001580 1b 20 20 20 20 20 20 20 20 4c 44 4d 49 41 20 74 |. LDMIA t|
00001590 2c 7b 78 6a 2c 79 6a 7d 0d 0c a8 16 20 20 20 20 |,{xj,yj}.... |
000015a0 20 20 20 20 4d 55 4c 20 74 2c 73 2c 79 6a 0d 0c | MUL t,s,yj..|
000015b0 b2 16 20 20 20 20 20 20 20 20 52 53 42 20 74 2c |.. RSB t,|
000015c0 74 2c 23 30 0d 0c bc 18 20 20 20 20 20 20 20 20 |t,#0.... |
000015d0 4d 4c 41 20 74 2c 63 2c 78 6a 2c 74 0d 0c c6 16 |MLA t,c,xj,t....|
000015e0 20 20 20 20 20 20 20 20 4d 55 4c 20 71 2c 73 2c | MUL q,s,|
000015f0 78 6a 0d 0c d0 18 20 20 20 20 20 20 20 20 4d 4c |xj.... ML|
00001600 41 20 71 2c 63 2c 79 6a 2c 71 0d 0c da 1f 20 20 |A q,c,yj,q.... |
00001610 20 20 20 20 20 20 53 55 42 20 78 6a 2c 78 69 2c | SUB xj,xi,|
00001620 74 2c 41 53 52 20 23 31 32 0d 0c e4 1f 20 20 20 |t,ASR #12.... |
00001630 20 20 20 20 20 53 55 42 20 79 6a 2c 79 69 2c 71 | SUB yj,yi,q|
00001640 2c 41 53 52 20 23 31 32 0d 0c ee 1f 20 20 20 20 |,ASR #12.... |
00001650 20 20 20 20 41 44 44 20 78 69 2c 78 69 2c 74 2c | ADD xi,xi,t,|
00001660 41 53 52 20 23 31 32 0d 0c f8 1f 20 20 20 20 20 |ASR #12.... |
00001670 20 20 20 41 44 44 20 79 69 2c 79 69 2c 71 2c 41 | ADD yi,yi,q,A|
00001680 53 52 20 23 31 32 0d 0d 02 1f 20 20 20 20 20 20 |SR #12.... |
00001690 20 20 41 44 44 20 74 2c 61 2c 69 2c 4c 53 4c 20 | ADD t,a,i,LSL |
000016a0 23 33 2b 70 77 0d 0d 0c 1b 20 20 20 20 20 20 20 |#3+pw.... |
000016b0 20 53 54 4d 49 41 20 74 2c 7b 78 69 2c 79 69 7d | STMIA t,{xi,yi}|
000016c0 0d 0d 16 1f 20 20 20 20 20 20 20 20 41 44 44 20 |.... ADD |
000016d0 74 2c 74 2c 6c 2c 4c 53 4c 20 23 33 2b 70 77 0d |t,t,l,LSL #3+pw.|
000016e0 0d 20 1b 20 20 20 20 20 20 20 20 53 54 4d 49 41 |. . STMIA|
000016f0 20 74 2c 7b 78 6a 2c 79 6a 7d 0d 0d 2a 1c 20 20 | t,{xj,yj}..*. |
00001700 20 20 20 20 20 20 41 44 44 20 69 2c 69 2c 6c 2c | ADD i,i,l,|
00001710 4c 53 4c 20 23 31 0d 0d 34 13 20 20 20 20 20 20 |LSL #1..4. |
00001720 20 20 43 4d 50 20 69 2c 6e 0d 0d 3e 14 20 20 20 | CMP i,n..>. |
00001730 20 20 20 20 20 42 4c 4f 20 66 6f 72 33 0d 0d 48 | BLO for3..H|
00001740 16 20 20 20 20 20 20 20 20 41 44 44 20 6a 2c 6a |. ADD j,j|
00001750 2c 23 31 0d 0d 52 13 20 20 20 20 20 20 20 20 43 |,#1..R. C|
00001760 4d 50 20 6a 2c 6c 0d 0d 5c 14 20 20 20 20 20 20 |MP j,l..\. |
00001770 20 20 42 4c 4f 20 66 6f 72 32 0d 0d 66 15 20 20 | BLO for2..f. |
00001780 20 20 20 20 20 20 4c 44 52 20 74 2c 64 61 74 0d | LDR t,dat.|
00001790 0d 70 16 20 20 20 20 20 20 20 20 41 44 44 20 74 |.p. ADD t|
000017a0 2c 74 2c 23 31 0d 0d 7a 14 20 20 20 20 20 20 20 |,t,#1..z. |
000017b0 20 43 4d 50 20 74 2c 23 32 0d 0d 84 13 20 20 20 | CMP t,#2.... |
000017c0 20 20 20 20 20 ec 51 20 74 2c 23 30 0d 0d 8e 15 | .Q t,#0....|
000017d0 20 20 20 20 20 20 20 20 53 54 52 20 74 2c 64 61 | STR t,da|
000017e0 74 0d 0d 98 14 20 20 20 20 20 20 20 20 42 45 51 |t.... BEQ|
000017f0 20 73 6b 69 70 0d 0d a2 14 20 20 20 20 20 20 20 | skip.... |
00001800 20 4d 4f 56 20 6a 2c 23 30 0d 0d ac 09 2e 66 6f | MOV j,#0.....fo|
00001810 72 34 0d 0d b6 1f 20 20 20 20 20 20 20 20 41 44 |r4.... AD|
00001820 44 20 74 2c 61 2c 6a 2c 4c 53 4c 20 23 33 2b 70 |D t,a,j,LSL #3+p|
00001830 77 0d 0d c0 1b 20 20 20 20 20 20 20 20 4c 44 4d |w.... LDM|
00001840 49 41 20 74 2c 7b 78 6a 2c 79 6a 7d 0d 0d ca 1c |IA t,{xj,yj}....|
00001850 20 20 20 20 20 20 20 20 4d 4f 56 20 78 6a 2c 78 | MOV xj,x|
00001860 6a 2c 41 53 52 20 23 31 0d 0d d4 1c 20 20 20 20 |j,ASR #1.... |
00001870 20 20 20 20 4d 4f 56 20 79 6a 2c 79 6a 2c 41 53 | MOV yj,yj,AS|
00001880 52 20 23 31 0d 0d de 1b 20 20 20 20 20 20 20 20 |R #1.... |
00001890 53 54 4d 49 41 20 74 2c 7b 78 6a 2c 79 6a 7d 0d |STMIA t,{xj,yj}.|
000018a0 0d e8 16 20 20 20 20 20 20 20 20 41 44 44 20 6a |... ADD j|
000018b0 2c 6a 2c 23 31 0d 0d f2 13 20 20 20 20 20 20 20 |,j,#1.... |
000018c0 20 43 4d 50 20 6a 2c 6e 0d 0d fc 14 20 20 20 20 | CMP j,n.... |
000018d0 20 20 20 20 42 4c 4f 20 66 6f 72 34 0d 0e 06 09 | BLO for4....|
000018e0 2e 73 6b 69 70 0d 0e 10 1a 20 20 20 20 20 20 20 |.skip.... |
000018f0 20 4d 4f 56 20 6c 2c 6c 2c 4c 53 4c 20 23 31 0d | MOV l,l,LSL #1.|
00001900 0e 1a 1b 20 20 20 20 20 20 20 20 4d 4f 56 53 20 |... MOVS |
00001910 6b 2c 6b 2c 4c 53 52 20 23 31 0d 0e 24 14 20 20 |k,k,LSR #1..$. |
00001920 20 20 20 20 20 20 42 4e 45 20 66 6f 72 31 0d 0e | BNE for1..|
00001930 2e 15 20 20 20 20 20 20 20 20 4d 4f 56 20 70 63 |.. MOV pc|
00001940 2c 6c 6b 0d 0e 38 12 2e 64 61 74 20 20 20 20 45 |,lk..8..dat E|
00001950 51 55 44 20 30 0d 0e 42 05 5d 0d 0e 4c 07 3d 22 |QUD 0..B.]..L.="|
00001960 22 0d ff |"..|
00001963 
.