Home » Archimedes archive » Acorn User » AU 1995-11.adf » !Regulars » Regulars/StarInfo/Ord/!OrdFSI/Pal-Grey
Regulars/StarInfo/Ord/!OrdFSI/Pal-Grey
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 1995-11.adf » !Regulars |
Filename: | Regulars/StarInfo/Ord/!OrdFSI/Pal-Grey |
Read OK: | ✔ |
File size: | 01F0 bytes |
Load address: | 0000 |
Exec address: | 0000 |
File contents
10REM Create Palette Lookup Table 20REM By Andrew Ord 21 31file$="Palettes.GreyScale" 40 50REM Memory required to store palette and lookup table 60DIM pal% 1024+32768 70 81REM routine to make a 256grey scale palette 91FOR I%=0 TO 255 92pal%!(4*I%)=(I%<<24)+(I%<<16)+(I%<<8) 93NEXT I% 100 130REM Create the lookup table 140SYS"Hourglass_On" 150SYS"IPC_CreateTables",pal%,pal%+1024,256 160SYS"Hourglass_Smash" 170 180REM Save the definition to disk 190SYS"OS_File",10,file$,&00F,,pal%,pal%+(1024+32768) 200END
!� Create Palette Lookup Table � By Andrew Ord file$="Palettes.GreyScale" ( 27� Memory required to store palette and lookup table <� pal% 1024+32768 F Q-� routine to make a 256grey scale palette [� I%=0 � 255 \)pal%!(4*I%)=(I%<<24)+(I%<<16)+(I%<<8) ]� I% d �� Create the lookup table �ș"Hourglass_On" �+ș"IPC_CreateTables",pal%,pal%+1024,256 �ș"Hourglass_Smash" � �!� Save the definition to disk �5ș"OS_File",10,file$,&00F,,pal%,pal%+(1024+32768) �� �
00000000 0d 00 0a 21 f4 20 43 72 65 61 74 65 20 50 61 6c |...!. Create Pal| 00000010 65 74 74 65 20 4c 6f 6f 6b 75 70 20 54 61 62 6c |ette Lookup Tabl| 00000020 65 0d 00 14 13 f4 20 42 79 20 41 6e 64 72 65 77 |e..... By Andrew| 00000030 20 4f 72 64 0d 00 15 04 0d 00 1f 1e 66 69 6c 65 | Ord........file| 00000040 24 3d 22 50 61 6c 65 74 74 65 73 2e 47 72 65 79 |$="Palettes.Grey| 00000050 53 63 61 6c 65 22 0d 00 28 04 0d 00 32 37 f4 20 |Scale"..(...27. | 00000060 4d 65 6d 6f 72 79 20 72 65 71 75 69 72 65 64 20 |Memory required | 00000070 74 6f 20 73 74 6f 72 65 20 70 61 6c 65 74 74 65 |to store palette| 00000080 20 61 6e 64 20 6c 6f 6f 6b 75 70 20 74 61 62 6c | and lookup tabl| 00000090 65 0d 00 3c 15 de 20 70 61 6c 25 20 31 30 32 34 |e..<.. pal% 1024| 000000a0 2b 33 32 37 36 38 0d 00 46 04 0d 00 51 2d f4 20 |+32768..F...Q-. | 000000b0 72 6f 75 74 69 6e 65 20 74 6f 20 6d 61 6b 65 20 |routine to make | 000000c0 61 20 32 35 36 67 72 65 79 20 73 63 61 6c 65 20 |a 256grey scale | 000000d0 70 61 6c 65 74 74 65 0d 00 5b 10 e3 20 49 25 3d |palette..[.. I%=| 000000e0 30 20 b8 20 32 35 35 0d 00 5c 29 70 61 6c 25 21 |0 . 255..\)pal%!| 000000f0 28 34 2a 49 25 29 3d 28 49 25 3c 3c 32 34 29 2b |(4*I%)=(I%<<24)+| 00000100 28 49 25 3c 3c 31 36 29 2b 28 49 25 3c 3c 38 29 |(I%<<16)+(I%<<8)| 00000110 0d 00 5d 08 ed 20 49 25 0d 00 64 04 0d 00 82 1d |..].. I%..d.....| 00000120 f4 20 43 72 65 61 74 65 20 74 68 65 20 6c 6f 6f |. Create the loo| 00000130 6b 75 70 20 74 61 62 6c 65 0d 00 8c 14 c8 99 22 |kup table......"| 00000140 48 6f 75 72 67 6c 61 73 73 5f 4f 6e 22 0d 00 96 |Hourglass_On"...| 00000150 2b c8 99 22 49 50 43 5f 43 72 65 61 74 65 54 61 |+.."IPC_CreateTa| 00000160 62 6c 65 73 22 2c 70 61 6c 25 2c 70 61 6c 25 2b |bles",pal%,pal%+| 00000170 31 30 32 34 2c 32 35 36 0d 00 a0 17 c8 99 22 48 |1024,256......"H| 00000180 6f 75 72 67 6c 61 73 73 5f 53 6d 61 73 68 22 0d |ourglass_Smash".| 00000190 00 aa 04 0d 00 b4 21 f4 20 53 61 76 65 20 74 68 |......!. Save th| 000001a0 65 20 64 65 66 69 6e 69 74 69 6f 6e 20 74 6f 20 |e definition to | 000001b0 64 69 73 6b 0d 00 be 35 c8 99 22 4f 53 5f 46 69 |disk...5.."OS_Fi| 000001c0 6c 65 22 2c 31 30 2c 66 69 6c 65 24 2c 26 30 30 |le",10,file$,&00| 000001d0 46 2c 2c 70 61 6c 25 2c 70 61 6c 25 2b 28 31 30 |F,,pal%,pal%+(10| 000001e0 32 34 2b 33 32 37 36 38 29 0d 00 c8 05 e0 0d ff |24+32768).......| 000001f0