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Post by mkg on Jan 5, 2015 16:55:41 GMT -5
Eh? if they are identical, why both where released on japan?
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Deleted
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Post by Deleted on Jan 5, 2015 17:49:31 GMT -5
The Mark III doesn't have a Yamaha YM2413 built-in, but the Japanese Master System does. You could get the FM Sound Unit extension for the Mark III though.  |
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Deleted
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Post by Deleted on Jan 12, 2015 12:50:13 GMT -5
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Post by mkg on Jan 12, 2015 19:30:51 GMT -5
Then:
US Master System = JAP Sega Mark III < JAP Sega Master System
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Post by nitrofurano1 on Aug 23, 2016 9:50:33 GMT -5
there is another difference: Master System has a checksum verifier in its bios (16 bytes written between 0x1FF0..0x1FFF, 0x3FF0..0x3FFF or 0x7FF0..0x7FFF ), when Mark-III has no bios at all - that is probably the reason why you might, out of the box, be able to run sg-1000 (Mark-I and Mark-II) cartridges on Mark-III and not on Master System (unless you’re opening sg-1000 Mark-I or Mark-II rom files into EverDrive, which comes with its checksum)
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