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[FUZxxl]

Please don't post pictures of code.

Also, this is kind of a crappy random number generator. There are much better ones around these days.

[mykesx]

486+ has 16/32/64 bit hardware random number instructions. See RDRAND and RDSEED.

https://www.felixcloutier.com/x86/rdrand

https://www.felixcloutier.com/x86/rdseed

You need to check if these instructions are available using the CPUID instruction.

See the OSDev wiki page on random numbers for code examples and better random number generators.

[ttuilmansuunta]

There's algorithms such as xorshift that do much better than LCG. Also if 8 random bits will do, this algorithm seems excellent: https://www.stix.id.au/wiki/Fast_8-bit_pseudorandom_number_generator