На 4-битном микропроцессоре TMS1000 сделана вот такая сипматичная игрушка.
Прямо-таки готовый набор для изготовления какой-то недописишности!!!
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http://www.computerhistory.org/revoluti ... position=0This educational toy, based on TI’s research in synthetic speech, was designed to help children learn to spell and pronounce 200 commonly misspelled words. The first Speak & Spell used a TMS1000 4-bit microprocessor with a custom Digital Signal Processor (DSP) for voice synthesis. Some hobbyists, eager to use the synthesizer for other projects, purchased the $50 machines just to extract the DSP, which was unavailable as a separate component.