Commit Graph

11 Commits

Author SHA1 Message Date
ekeeke
a2380d84e0 [Core/VDP] fixed address/code potential corruption by one-instruction execution delay after HV interrupts activation (fixes #477) 2023-01-13 14:00:27 +01:00
ekeeke
dded47d5e7 [Core/VDP] added support for background color changes during HBLANK when display is disabled (fixes #462) 2022-09-19 14:11:16 +02:00
EkeEke
38ffc317cb [Core/VDP] improved FIFO emulation accuracy 2017-06-05 23:52:03 +02:00
EkeEke
f49980abed [Core/VDP] fixed spurious 8K-16K VRAM switching when reloading SG-1000 context + minor optimizations 2016-02-28 22:42:19 +01:00
EkeEke
e8b72612b4 [Core/VDP] confirmed register $0A default state on reset 2015-08-26 23:29:43 +02:00
EkeEke
ec554b4b70 [Core/General] rewrote frame emulation timing, now starts with vertical blanking to reduce input lag by one more frame (warning: this breaks compatibility with previous savestates) 2014-12-14 17:10:15 +01:00
EkeEke
10e5a924df [Core/MS] improved Z80 address decoding on Japanese Master System I/O chip (315-5297)
[Core/GG] modified VDP register 10 state on reset (fixes Terminator 2: Judgment Day)
[Core/SG] added support for SG-1000 II clone hardware (2KB RAM + integrated VDP/PSG chip 315-5066)
2014-03-02 16:07:08 +01:00
EkeEke
8a813b0ecb [Core/VDP] implemented proper FIFO ring-buffer & unused bits behavior on CRAM/VSRAM reads (verified on real hardware) 2013-10-20 23:48:36 +02:00
EkeEke
42ea79cf73 [Core/VDP] improved Mode 5 sprites rendering (fixes "Overdrive" demo) 2013-10-20 20:53:33 +02:00
EkeEke
cbf8f4ed2a [Core/VDP] improved FIFO timings accuracy (fixes "Overdrive" Demo) 2013-10-20 20:41:44 +02:00
EkeEke
aede1b9299 rearranged core & back-end specific code (part 2) 2013-06-17 22:31:31 +02:00