"SRAM Replacement for TMS99x8 VRAM" by Tom LeMense, January 24, 2010 - https://retrobrewcomputers.org/n8vem-pbwiki-archive/0/35845334/48860720/33053543/SRAM%20Replacement%20for%20TMS99x8%20VRAM.pdf
TMS9918A Video Card Kit for RC2014 by Kamprath LEDs - https://www.tindie.com/products/mfkamprath/tms9918a-video-card-kit-for-rc2014/
The assembly code in the video - https://github.com/InPermutation/be6502/blob/Static_VRAM/vdp.s
