Videogame Programmer with Low-Level Skills

Currently employed as an honest-to-goodness videogame programmer, working directly in 6502 assembly for a bonkers project that runs on a real NES. This is delightful fun, but also a short term contract, so I'm keeping my ears open for other opportunities. I absolutely love low-level engineering challenges, and am perfectly comfortable working directly with machine code. I've recently had the pleasure of designing a 'hardware' audio synthesis chip, realizing that design on an FPGA, then programming it to play music and SFX under realtime performance constraints on a 1.7 MHz CPU. If you've got more of this sort of thing that needs doing, I'm all ears!