Hacker News Top Stories with Summaries (July 26, 2023)
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<h1> Hacker News Top Stories</h1>
<p>Here are the top stories from Hacker News with summaries for July 26, 2023 :</p>
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Norwegian shipping company bans electric cars on board classic ferry route
Summary: Norwegian shipping company Havila Kystruten has banned electric, hybrid, and hydrogen cars from its ships due to the risks associated with lithium battery fires. The decision follows an external risk analysis that found electric car fires to be more difficult to extinguish than those in petrol and diesel vehicles. The company operates the scenic Hurtigruten coastal route between Bergen and Kirkenes.
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How MOS 6502 Illegal Opcodes work
Summary: This article explains the workings of illegal opcodes in the MOS 6502 microprocessor, used in computers like the Commodore 64, Apple II, and Nintendo Entertainment System. Out of 256 possible opcodes, 151 are defined by the architecture, but many of the remaining 105 undefined opcodes have useful functions. The article delves into the block diagram, decode ROM, and how instruction decoding works. It also discusses the LAX and KIL opcodes and their implications.