SNES graphics: 186.2ns or bust!

Aug 9th, 2024 How the SNES Graphics System works Last week's article discussed how the Super Nintendo's Video system feeds the TV's CRT. Today I'll summarize what I understand of the hardware generating these graphics. A precious resource is Jonathon Donaldson's schematics of the SNES. If you have a large monitor, I recommend to take a minute and

July 29, 2024 Carving the Super Nintendo Video System Last time, I explored the inside of the Super Nintendo cartridges. Today I am going through its video system. I put myself in the shoes of a Nintendo engineer working in Masayuki Uemura (上村雅之)'s team[1]

April 21, 2024 Inside the Super Nintendo cartridges One of the remarkable characteristics of the Super Nintendo was the ability for game cartridges (cart) to pack more than instructions and assets into ROM chips. If we open and look at the PCBs, we can find inside things like the CIC copy protection chip, SRAM, and even "enhancement processors". CICThe copy-protection mechanism of the SNES is something I already dig into in my

April 8, 2024 The evolution of the Super Nintendo motherboard Over the impressive lifespan of its 16-bit machine (12 years[1]), Nintendo produced twelve versions of the motherboard. What is noteworthy is how they managed to reduce the number of chips necessary over time. Looking at a summary table may seem like it is a daunting task to make sense of all of...