index.md (895B)
1 --- 2 title: "2023, Day 4" 3 date: 2023-12-04T20:30:42-08:00 4 draft: false 5 --- 6 7 Only had about 20 minutes of downtime this evening, but here's a command to dump 8 the .icn data for the printable ASCII characters in a .uf1 file (a few can be 9 found in the [uxn 10 repository](https://git.sr.ht/~rabbits/uxn/tree/main/item/projects/fonts)). 11 12 od --format=x2 --endian=big --output-duplicates --address-radix=n --width=8 \ 13 --skip-bytes=512 --read-bytes=768 bbcmicro8.uf1 14 15 Here's the first eight lines of output, corresponding to 0x20 (the space 16 character) through 0x27 (the single quote). 17 18 0000 0000 0000 0000 19 1818 1818 1800 1800 20 6c6c 6c00 0000 0000 21 3636 7f36 7f36 3600 22 0c3f 683e 0b7e 1800 23 6066 0c18 3066 0600 24 386c 6c38 6d66 3b00 25 0c18 3000 0000 0000 26 27 I almost forgot to set the endianness, and I won't be sure this is right until I 28 actually draw some characters.