10 Commits

Author	SHA1	Message	Date
Thomas Harte	7515fa8a98	Ensures the SG1000 gets an unadulterated TMS and SN.	2018-09-23 22:24:29 -04:00
Thomas Harte	5b9e7213dd	Adds a couple of joystick inputs. ... SG1000 titles all seem to work now.	2018-09-23 21:55:07 -04:00
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