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3,240 Commits 9 Branches 118 Tags 496 MiB
a4f0a260fd
Commit Graph

18 Commits

Author SHA1 Message Date
Thomas Harte
a4f0a260fd Reformulates the TMS graphics mode fetch loop to try to eliminate heavy conditionality. Temporarily introduces some sprite selection issues. 2017-12-05 22:39:03 -05:00
Thomas Harte
6eedc99286 Makes substantial optimisations to text mode. 
Character optimisations to come.
 2017-12-04 22:18:51 -05:00
Thomas Harte
a473338abe Makes minor type conversion fixes. 2017-12-03 22:24:48 -05:00
Thomas Harte
38b11893e8 Takes first steps towards sprite display on the TMS. 2017-12-02 22:13:43 -05:00
Thomas Harte
e4534775b0 Cleans up and zooms in on the TMS slightly. 2017-12-02 17:48:31 -05:00
Thomas Harte
3c8d2d579d Resolves remaining sources of text mode instability. 2017-11-30 22:48:07 -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
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
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