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MOS Technology 6502: Revision history

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12 May 2025

  • curprev 02:4502:45, 12 May 2025 imported>RastaKins 120,521 bytes +120,521 Detailed behavior: Negative-logic wired-OR looks looks the same as positive-logic wired-AND. NMI is falling-edge sensitive which would be negative logic. Wired-OR NMI could be possible if it can be guaranteed that multiple interrupt sources cannot be active simultaneously.