tutorials on how to do "arithmetic on machines with just binary add, subtract, logical and shift operators, making no use of special hardware support for such complex operations as BCD arithmetic or multiplication and division" very good, very helpful
nicely explained
"Since I used my RetroUSB AVS for the NES footage to get its higher-quality HDMI output, and the Panasonic FS-A1F (an MSX2 machine) for the MSX footage so as to get its higher-quality RGB output, I've technically just compared the PPU (Picture Processing Unit, the NES' graphics chip) and the TMS9918A without actually using a real PPU or a real TMS9918A. Good job, Nicole." lmao
implementation of an MMU "from scratch" (i.e. a bunch of 74xx chips and some SRAM)
very small and good 8-bit RNG
good tips toward stack allocation in gameboy assembly
with just a little bit of micropython code. neat!
expansive thread on how to do multiplication with processors that don't have multiplication instructions