Everything old is new again. IIRC the same technique was used for the flak in Bee-17 Baumber[0] for the Mattel Intellivision. Lacking additional memory for the

Everything old is new again. IIRC the same technique was used for the flak in Bee-17 Baumber[0] for the Mattel Intellivision. Lacking additional memory for the graphics, the flak was drawn by grabbing sprite data from the code area of the ROM. [0] B-17 Bomber uses the Intellivoice speech synth add-on to announce the game's title in a distinctive bit-crushed southern drawl.