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StarInfo/Boham/Cycles/04

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 1997-10 A.adf » Regulars
Filename: StarInfo/Boham/Cycles/04
Read OK:
File size: 0198 bytes
Load address: 0000
Exec address: 0000
File contents
    1MODE 27:OFF
    2DIM r(15),g(15),b(15)
    3FOR c=0 TO 15
    4SYS "ColourTrans_ConvertHSVToRGB",c*22.5*65536,32000,255 TO r(c),g(c),b(c)
    5COLOUR c,r(c),g(c),b(c)
    6NEXT c
    7:
    8FOR y=512 TO 0 STEP -2
    9c% = ((COSRAD(y/7.1111111)))*200
   10GCOL c% MOD 16
   11LINE 0,y,1279,y
   12NEXT y
   13
   14
   15:
   16os=1
   17o=0
   18REPEAT
   19WAIT
   20FOR c=0 TO 15
   21COLOUR (o+c) MOD 16,r(c),g(c),b(c)
   22NEXT
   23o=o+os
   24IF o>15 THEN o=0
   25IF o<0 THEN o=15
   26IF INKEY(0)<>-1 THEN os=-os
   27UNTIL FALSE

� 27:�
� r(15),g(15),b(15)
� c=0 � 15
Lș "ColourTrans_ConvertHSVToRGB",c*22.5*65536,32000,255 � r(c),g(c),b(c)
� c,r(c),g(c),b(c)
� c
:
� y=512 � 0 � -2
	 c% = ((��(y/7.1111111)))*200


� c% � 16
� 0,y,1279,y
� y



:
os=1
o=0
�
Ȗ
� c=0 � 15
� (o+c) � 16,r(c),g(c),b(c)
�

o=o+os
� o>15 � o=0
� o<0 � o=15
� �(0)<>-1 � os=-os
� �
�
00000000  0d 00 01 0a eb 20 32 37  3a 87 0d 00 02 17 de 20  |..... 27:...... |
00000010  72 28 31 35 29 2c 67 28  31 35 29 2c 62 28 31 35  |r(15),g(15),b(15|
00000020  29 0d 00 03 0e e3 20 63  3d 30 20 b8 20 31 35 0d  |)..... c=0 . 15.|
00000030  00 04 4c c8 99 20 22 43  6f 6c 6f 75 72 54 72 61  |..L.. "ColourTra|
00000040  6e 73 5f 43 6f 6e 76 65  72 74 48 53 56 54 6f 52  |ns_ConvertHSVToR|
00000050  47 42 22 2c 63 2a 32 32  2e 35 2a 36 35 35 33 36  |GB",c*22.5*65536|
00000060  2c 33 32 30 30 30 2c 32  35 35 20 b8 20 72 28 63  |,32000,255 . r(c|
00000070  29 2c 67 28 63 29 2c 62  28 63 29 0d 00 05 16 fb  |),g(c),b(c).....|
00000080  20 63 2c 72 28 63 29 2c  67 28 63 29 2c 62 28 63  | c,r(c),g(c),b(c|
00000090  29 0d 00 06 07 ed 20 63  0d 00 07 05 3a 0d 00 08  |)..... c....:...|
000000a0  14 e3 20 79 3d 35 31 32  20 b8 20 30 20 88 20 2d  |.. y=512 . 0 . -|
000000b0  32 0d 00 09 20 63 25 20  3d 20 28 28 9b b2 28 79  |2... c% = ((..(y|
000000c0  2f 37 2e 31 31 31 31 31  31 31 29 29 29 2a 32 30  |/7.1111111)))*20|
000000d0  30 0d 00 0a 0d e6 20 63  25 20 83 20 31 36 0d 00  |0..... c% . 16..|
000000e0  0b 10 86 20 30 2c 79 2c  31 32 37 39 2c 79 0d 00  |... 0,y,1279,y..|
000000f0  0c 07 ed 20 79 0d 00 0d  04 0d 00 0e 04 0d 00 0f  |... y...........|
00000100  05 3a 0d 00 10 08 6f 73  3d 31 0d 00 11 07 6f 3d  |.:....os=1....o=|
00000110  30 0d 00 12 05 f5 0d 00  13 06 c8 96 0d 00 14 0e  |0...............|
00000120  e3 20 63 3d 30 20 b8 20  31 35 0d 00 15 1f fb 20  |. c=0 . 15..... |
00000130  28 6f 2b 63 29 20 83 20  31 36 2c 72 28 63 29 2c  |(o+c) . 16,r(c),|
00000140  67 28 63 29 2c 62 28 63  29 0d 00 16 05 ed 0d 00  |g(c),b(c).......|
00000150  17 0a 6f 3d 6f 2b 6f 73  0d 00 18 10 e7 20 6f 3e  |..o=o+os..... o>|
00000160  31 35 20 8c 20 6f 3d 30  0d 00 19 10 e7 20 6f 3c  |15 . o=0..... o<|
00000170  30 20 8c 20 6f 3d 31 35  0d 00 1a 17 e7 20 a6 28  |0 . o=15..... .(|
00000180  30 29 3c 3e 2d 31 20 8c  20 6f 73 3d 2d 6f 73 0d  |0)<>-1 . os=-os.|
00000190  00 1b 07 fd 20 a3 0d ff                           |.... ...|
00000198