Quick iPXE script:
params && param vram ${vram} && chain -a http://b800.org##params && echo b800.org/${b800id} usage details
Formats: b800 | b800hex | b800base64 | uri | html | ansi | ascii | utf8 | cp437 | cp437hex | png
0x80 üéâäàåçêëèïîìÄÅÉæÆôöòûùÿÖÜ¢£¥₧ƒáíóúñѪº¿⌐¬½¼¡«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦ ╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ - row done - 0xff + 0x0 ☺☻♥♦♣○ ♫☼►◄↕‼¶§▬↨↑↓→↔▲▼ !"#$%&'()*+, - row done - 0x2c + 0x2e /0123456789:;<=>?@ - row done - 0x40 + iPXE> chain http://b800.org http://b800.org... ok http://b800.org/?b888e3ba700c... ok You can now see b800 id: 970868293225d10a4246e1ffb7b4c912d118d669 iPXE> chain http://b800.org/pattern.ipxe? http://b800.org/pattern.ipxe?... ok 0.........1.........2.........3.........4.........5.........6.........7......... 01234567890123456789012345678901234567890123456789012345678901234567890123456789 0x40 ABCDEFGHIJKLMNOPQRSTUVWXYZ[\] - row done - 0x5d + 0x60 abcdefghijklmnopqrstuvwxyz{|} - row done - 0x7d + 0x80 üéâäàåçêëèïîìÄÅÉæÆôöòûùÿÖÜ¢£¥₧ƒáíóúñѪº¿⌐¬½¼¡«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦ ╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ - row done - 0xff + 0x0 ☺☻♥♦♣○ ♫☼►◄↕‼¶§▬↨↑↓→↔▲▼ !"#$%&'()*+, - row done - 0x2c + 0x2e /0123456789:;<=>?@ - row done - 0x40 + iPXE> chain http://b800.org http://b800.org... ok