Home » Archimedes archive » Acorn User » AU 1997-08 B.adf » Regulars » starinfo/Andrews/TVFuzz

starinfo/Andrews/TVFuzz

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 1997-08 B.adf » Regulars
Filename: starinfo/Andrews/TVFuzz
Read OK:
File size: 0380 bytes
Load address: 0000
Exec address: 0000
File contents
   10DIM code 256
   20FOR pass=0 TO 2 STEP 2
   30P%=code
   40[
   50OPT pass
   60  MOV r11,r14
   70  MOV r0,#13
   80  SWI 256+22
   90  SWI 0
  100  SWI "OS_RemoveCursors"
  110  ADR r0,vduin
  120  ADR r1,vduout
  130  SWI "OS_ReadVduVariables"
  140  LDR r12,vduout
  150B jump
  160  .vduin
  170  EQUD 149
  180  EQUD -1
  190  .vduout
  200  EQUD 0
  210.jump
  220  MOV r9,#640
  230  MOV r8,r12
  240  MOV r7,#255
  250.loop1
  260MOV r10,#0
  270.loop2
  280  BL random
  290  AND r7,r0,#255
  300  STRB r7,[r8,r10]
  310  ADD r10,r10,r9
  320  CMP r10,#81920
  330  BLT loop2
  340  SUB r9,r9,#1
  350  SWI 256+12
  360  CMP r9,#3
  370  BGT loop1
  380  SWI "OS_ReadEscapeState"
  390  BCC jump
  400  MOV pc,r11
  410.random
  420  LDR r0,seed
  430  LDR r1,c1
  440  LDR r2,c2
  450  MLA r0,r1,r0,r2
  460  MLA r3,r1,r0,r2
  470  STR r3,seed
  480  EOR r0,r0,r3,ROR #16
  490  MOV pc,r14
  500.c1
  510  EQUD 18904713
  520.c2
  530  EQUD 903279831
  540.seed
  550  EQUD TIME
  560]
  570NEXT
  580CALL code
  590

� code 256
� pass=0 � 2 � 2
P%=code
([
2OPT pass
<  MOV r11,r14
F  MOV r0,#13
P  SWI 256+22
Z  SWI 0
d  SWI "OS_RemoveCursors"
n  ADR r0,vduin
x  ADR r1,vduout
�  SWI "OS_ReadVduVariables"
�  LDR r12,vduout
�
B jump
�  .vduin
�  EQUD 149
�
  EQUD -1
�
  .vduout
�  EQUD 0
�	.jump
�  MOV r9,#640
�  MOV r8,r12
�  MOV r7,#255
�
.loop1
MOV r10,#0

.loop2
  BL random
"  � r7,r0,#255
,  STRB r7,[r8,r10]
6  ADD r10,r10,r9
@  CMP r10,#81920
J  BLT loop2
T  SUB r9,r9,#1
^  SWI 256+12
h  CMP r9,#3
r  BGT loop1
|  SWI "OS_ReadEscapeState"
�  BCC jump
�  MOV pc,r11
�.random
�  LDR r0,seed
�  LDR r1,c1
�  LDR r2,c2
�  MLA r0,r1,r0,r2
�  MLA r3,r1,r0,r2
�  STR r3,seed
�  � r0,r0,r3,ROR #16
�  MOV pc,r14
�.c1
�  EQUD 18904713
.c2
  EQUD 903279831
	.seed
&  EQUD �
0]
:�
D
� code
N
�
00000000  0d 00 0a 0e de 20 63 6f  64 65 20 32 35 36 0d 00  |..... code 256..|
00000010  14 14 e3 20 70 61 73 73  3d 30 20 b8 20 32 20 88  |... pass=0 . 2 .|
00000020  20 32 0d 00 1e 0b 50 25  3d 63 6f 64 65 0d 00 28  | 2....P%=code..(|
00000030  05 5b 0d 00 32 0c 4f 50  54 20 70 61 73 73 0d 00  |.[..2.OPT pass..|
00000040  3c 11 20 20 4d 4f 56 20  72 31 31 2c 72 31 34 0d  |<.  MOV r11,r14.|
00000050  00 46 10 20 20 4d 4f 56  20 72 30 2c 23 31 33 0d  |.F.  MOV r0,#13.|
00000060  00 50 10 20 20 53 57 49  20 32 35 36 2b 32 32 0d  |.P.  SWI 256+22.|
00000070  00 5a 0b 20 20 53 57 49  20 30 0d 00 64 1c 20 20  |.Z.  SWI 0..d.  |
00000080  53 57 49 20 22 4f 53 5f  52 65 6d 6f 76 65 43 75  |SWI "OS_RemoveCu|
00000090  72 73 6f 72 73 22 0d 00  6e 12 20 20 41 44 52 20  |rsors"..n.  ADR |
000000a0  72 30 2c 76 64 75 69 6e  0d 00 78 13 20 20 41 44  |r0,vduin..x.  AD|
000000b0  52 20 72 31 2c 76 64 75  6f 75 74 0d 00 82 1f 20  |R r1,vduout.... |
000000c0  20 53 57 49 20 22 4f 53  5f 52 65 61 64 56 64 75  | SWI "OS_ReadVdu|
000000d0  56 61 72 69 61 62 6c 65  73 22 0d 00 8c 14 20 20  |Variables"....  |
000000e0  4c 44 52 20 72 31 32 2c  76 64 75 6f 75 74 0d 00  |LDR r12,vduout..|
000000f0  96 0a 42 20 6a 75 6d 70  0d 00 a0 0c 20 20 2e 76  |..B jump....  .v|
00000100  64 75 69 6e 0d 00 aa 0e  20 20 45 51 55 44 20 31  |duin....  EQUD 1|
00000110  34 39 0d 00 b4 0d 20 20  45 51 55 44 20 2d 31 0d  |49....  EQUD -1.|
00000120  00 be 0d 20 20 2e 76 64  75 6f 75 74 0d 00 c8 0c  |...  .vduout....|
00000130  20 20 45 51 55 44 20 30  0d 00 d2 09 2e 6a 75 6d  |  EQUD 0.....jum|
00000140  70 0d 00 dc 11 20 20 4d  4f 56 20 72 39 2c 23 36  |p....  MOV r9,#6|
00000150  34 30 0d 00 e6 10 20 20  4d 4f 56 20 72 38 2c 72  |40....  MOV r8,r|
00000160  31 32 0d 00 f0 11 20 20  4d 4f 56 20 72 37 2c 23  |12....  MOV r7,#|
00000170  32 35 35 0d 00 fa 0a 2e  6c 6f 6f 70 31 0d 01 04  |255.....loop1...|
00000180  0e 4d 4f 56 20 72 31 30  2c 23 30 0d 01 0e 0a 2e  |.MOV r10,#0.....|
00000190  6c 6f 6f 70 32 0d 01 18  0f 20 20 42 4c 20 72 61  |loop2....  BL ra|
000001a0  6e 64 6f 6d 0d 01 22 12  20 20 80 20 72 37 2c 72  |ndom..".  . r7,r|
000001b0  30 2c 23 32 35 35 0d 01  2c 16 20 20 53 54 52 42  |0,#255..,.  STRB|
000001c0  20 72 37 2c 5b 72 38 2c  72 31 30 5d 0d 01 36 14  | r7,[r8,r10]..6.|
000001d0  20 20 41 44 44 20 72 31  30 2c 72 31 30 2c 72 39  |  ADD r10,r10,r9|
000001e0  0d 01 40 14 20 20 43 4d  50 20 72 31 30 2c 23 38  |..@.  CMP r10,#8|
000001f0  31 39 32 30 0d 01 4a 0f  20 20 42 4c 54 20 6c 6f  |1920..J.  BLT lo|
00000200  6f 70 32 0d 01 54 12 20  20 53 55 42 20 72 39 2c  |op2..T.  SUB r9,|
00000210  72 39 2c 23 31 0d 01 5e  10 20 20 53 57 49 20 32  |r9,#1..^.  SWI 2|
00000220  35 36 2b 31 32 0d 01 68  0f 20 20 43 4d 50 20 72  |56+12..h.  CMP r|
00000230  39 2c 23 33 0d 01 72 0f  20 20 42 47 54 20 6c 6f  |9,#3..r.  BGT lo|
00000240  6f 70 31 0d 01 7c 1e 20  20 53 57 49 20 22 4f 53  |op1..|.  SWI "OS|
00000250  5f 52 65 61 64 45 73 63  61 70 65 53 74 61 74 65  |_ReadEscapeState|
00000260  22 0d 01 86 0e 20 20 42  43 43 20 6a 75 6d 70 0d  |"....  BCC jump.|
00000270  01 90 10 20 20 4d 4f 56  20 70 63 2c 72 31 31 0d  |...  MOV pc,r11.|
00000280  01 9a 0b 2e 72 61 6e 64  6f 6d 0d 01 a4 11 20 20  |....random....  |
00000290  4c 44 52 20 72 30 2c 73  65 65 64 0d 01 ae 0f 20  |LDR r0,seed.... |
000002a0  20 4c 44 52 20 72 31 2c  63 31 0d 01 b8 0f 20 20  | LDR r1,c1....  |
000002b0  4c 44 52 20 72 32 2c 63  32 0d 01 c2 15 20 20 4d  |LDR r2,c2....  M|
000002c0  4c 41 20 72 30 2c 72 31  2c 72 30 2c 72 32 0d 01  |LA r0,r1,r0,r2..|
000002d0  cc 15 20 20 4d 4c 41 20  72 33 2c 72 31 2c 72 30  |..  MLA r3,r1,r0|
000002e0  2c 72 32 0d 01 d6 11 20  20 53 54 52 20 72 33 2c  |,r2....  STR r3,|
000002f0  73 65 65 64 0d 01 e0 18  20 20 82 20 72 30 2c 72  |seed....  . r0,r|
00000300  30 2c 72 33 2c 52 4f 52  20 23 31 36 0d 01 ea 10  |0,r3,ROR #16....|
00000310  20 20 4d 4f 56 20 70 63  2c 72 31 34 0d 01 f4 07  |  MOV pc,r14....|
00000320  2e 63 31 0d 01 fe 13 20  20 45 51 55 44 20 31 38  |.c1....  EQUD 18|
00000330  39 30 34 37 31 33 0d 02  08 07 2e 63 32 0d 02 12  |904713.....c2...|
00000340  14 20 20 45 51 55 44 20  39 30 33 32 37 39 38 33  |.  EQUD 90327983|
00000350  31 0d 02 1c 09 2e 73 65  65 64 0d 02 26 0c 20 20  |1.....seed..&.  |
00000360  45 51 55 44 20 91 0d 02  30 05 5d 0d 02 3a 05 ed  |EQUD ...0.]..:..|
00000370  0d 02 44 0a d6 20 63 6f  64 65 0d 02 4e 04 0d ff  |..D.. code..N...|
00000380