58 Commits

Author	SHA1	Message	Date
Thomas Harte	2253341904	This now goes far enough for the only SG1000 game I'm testing to start up. ... Which hopefully gives me as much as I need to implement joypads, etc, and definitively get to just the VDP being outstanding.	2018-09-23 17:42:42 -04:00
Thomas Harte	e155dc8d6e	Adds fairly standard memory map indirection.	2018-09-23 17:36:30 -04:00
Thomas Harte	00b2db4fb9	Ensures the Master System is informed when it should pretend to be an SG1000.	2018-09-23 16:34:47 -04:00
Thomas Harte	f59386f523	Adds just enough input logic that the Sega sound now plays.	2018-09-23 16:05:37 -04:00
Thomas Harte	38a1fde3bf	Attempts to permit Master System interrupts.	2018-09-23 00:07:46 -04:00
Thomas Harte	40c7a63fb5	Makes a first attempt at Master System IO decoding.	2018-09-22 23:45:29 -04:00
Thomas Harte	e511261b04	Adds a Master System class, so that SMSs can end up somewhere.	2018-09-21 22:13:07 -04:00
Thomas Harte	0d01346ad4	Advertises SMS support and goes as far as realising it needs to spawn a Master System.	2018-09-20 22:04:28 -04:00