NASA NTRS · 19850026198
Hardware math for the 6502 microprocessor
Abstract
A floating-point arithmetic unit is described which is being used in the Ground Facility of Large Space Structures Control Verification (GF/LSSCV). The experiment uses two complete inertial measurement units and a set of three gimbal torquers in a closed loop to control the structural vibrations in a flexible test article (beam). A 6502 (8-bit) microprocessor controls four AMD 9511A floating-point arithmetic units to do all the computation in 20 milliseconds.
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Kissel, R., Currie, J.. 1985-07-01. Hardware math for the 6502 microprocessor. https://ntrs.nasa.gov/citations/19850026198
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