📊 Fully annotated disassembly of VisiCalc (1979) for Apple II — line-by-line 6502 assembly documentation
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Feb 21, 2026 - Assembly
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visicalc
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What if the first spreadsheet had been written in FORTRAN? A counterfactual 1978 spreadsheet for PDP-11 minicomputers, written in authentic FORTRAN IV.
fortran spreadsheet pdp-11 simh retro-computing minicomputer visicalc fortran-66 rsx-11m historical-computing
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Jan 30, 2026 - Fortran
A clone of the visicalc spreadsheet engine in dart
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Apr 16, 2024 - Dart
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