167 Commits

Author	SHA1	Message	Date
Thomas Harte	d3dd8f3f2a	Implements screen 2 addressing.	2017-12-02 14:05:52 -05:00
Thomas Harte	3c8d2d579d	Resolves remaining sources of text mode instability.	2017-11-30 22:48:07 -05:00
Thomas Harte	edcbb3dfed	Tidies code a little and thereby uncovers and corrects one cause of output instability.	2017-11-30 22:19:53 -05:00
Thomas Harte	9c8158753e	Makes a first attempt at displaying text mode.	2017-11-30 21:35:26 -05:00
Thomas Harte	ee84f33ab5	Ensures that the 9918 admits that it is the source of interrupts.	2017-11-29 21:33:43 -05:00
Thomas Harte	aa4eef41d8	Seeks to introduce MSX interrupts.	2017-11-29 20:31:55 -05:00
Thomas Harte	ecd7d4731b	Advances emulation to showing what looks like appropriate text on screen.	2017-11-28 21:27:15 -05:00
Thomas Harte	563aa051e4	Simplifies code a little and gives something on screen.	2017-11-28 21:19:28 -05:00
Thomas Harte	642bb8333f	Introduces something of a first attempt at graphics collection and display. An unsuccessful attempt.	2017-11-28 21:10:30 -05:00
Thomas Harte	c558e86e03	Adds border colour output.	2017-11-27 22:05:40 -05:00
Thomas Harte	dbb14ea2e2	Corrects counting deficiencies that could produce an unstable display.	2017-11-27 21:36:12 -05:00
Thomas Harte	173e16b107	Corrects the 9918 so that it terminates.	2017-11-27 19:48:04 -05:00
Thomas Harte	7d2adad67e	Adds the absolute most basic version of in-frame time keeping, to display a white square.	2017-11-27 19:43:33 -05:00
Thomas Harte	d33612def5	Ensures the MSX provides a clock to the VDP.	2017-11-26 20:07:30 -05:00
Thomas Harte	9cb6ca3440	Adds elementary decoding of VDP accesses.	2017-11-26 20:01:11 -05:00
Thomas Harte	0eb5dd9688	Introduces the fundamentals of bus routing for the MSX.	2017-11-26 16:47:59 -05:00
Thomas Harte	a14b53a9ab	Adds a TMS9918 skeleton plus enough in the MSX to get to a blank screen in SDL/kiosk mode.	2017-11-26 13:28:26 -05:00