Brasil High Tech 1 · Computerese Archive · executable study

Colcha 2

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About this executable study

This reconstruction preserves the original vector title card—LINO H. and COLCHA 2—followed by two complete executions of the artwork before returning to the title. The historical sponsorship interlude and the unused TABLE/HOUSTON logo have been removed.

The title uses the original TABLE/LETRAS vector-letter library. The artwork uses shapes 2 and 3 from TABLE/SHAPE, while the speaker tones are reconstructed from the machine-language routine loaded as TABLE/SOUND. Browser audio is representative rather than cycle-exact Apple II speaker emulation; the later sound stages reproduce the original three- and four-toggle machine-language click trains with dry, separated transients. Progressive DRAW/XDRAW rendering preserves the visible XOR flicker.