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- How would external hardware be addressed? For example, how did the Gameboy access memory provided by a RTC (0f type cartridges?)dav– dav2019-07-21 17:49:08 +00:00Commented Jul 21, 2019 at 17:49
- The cartridge bus is directly mapped to the CPU so a controller on the cartridge can see where read/write accesses are going so it can choose to map rom pages or some other IO at those addresses.PaulHK– PaulHK2019-07-22 05:30:43 +00:00Commented Jul 22, 2019 at 5:30
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