Collision Detection is Hard: The Story of AlfSo I don’t know about you, but what this tells me is that the TMS9918A was incredibly functional for 1979. 32 simultaneous sprites is nothing to sneeze at, even if they are one-color and with a 4-per-scanline limit. (Note, however, that the TI-99/4 and TI-99/4A had to share that 16kiB of video RAM with things like BASIC programs) This TMS9918A heritage also brought along a feature that was at one
