The iconic digital rain effect from The Matrix series, in ~700 bytes of 8086 assembly.
In DOSBox:
On an HP 200LX:
The implementation can be found in ./asm, and includes two variants targeting the 8086 and the 80186 respectively.
To build, use the flat assembler (fasm). The result is a 16-bit executable that can run on MS-DOS, early versions of Windows (up to XP), and in DOSBox.
Press any key to exit.
A TypeScript implementation for Node.js is included in ./ts. Press Ctrl-C to exit.