Commit Graph

13 Commits

Author SHA1 Message Date
ekeeke
f9f16d7a55 [Core/MD] added emulation of 68k delay during Z80 acccess to 68k bus (fixes graphical glitch on Rick Dangerous II title screen introduced after adding emulation of 68k bus refresh delays) 2024-05-01 18:44:46 +02:00
ekeeke
ed7988f8ca [Core/MD] added emulation of Z80 halt when accessing 68k bus during DMA from 68k bus 2024-02-23 15:40:42 +01:00
ekeeke
350be7731c [Core/Sound] disable PSG output on Mark III hardware when FM output is enabled (fixes issue #474) 2022-12-18 14:49:34 +01:00
ekeeke
7b52165dd5 [Core/CPU] added Z80 wait-states on 68k bus access (fixes Remute Red Eyes demo) 2020-04-04 15:27:30 +02:00
nukeykt
dd6165785f [Core/Sound] add nuked ym2413 core 2019-12-22 18:05:15 +09:00
EkeEke
9bb64c47f9 [Core/Sound] rewrote PSG core from scratch & replaced deprecated "PSG boot noise" option with optional Hiqh Quality PSG resampling 2016-12-18 23:36:59 +01:00
EkeEke
01030f1a76 [Core/MS] improved Japanese Master System I/O chip (315-5297) emulation (verified on real hardware by Charles MacDonald) 2016-06-14 23:42:30 +02:00
EkeEke
4a41e0cca7 [Core/MCD] fixed PRG-RAM access from MAIN-CPU side on system reset 2015-04-26 18:25:21 +02:00
EkeEke
d2c03aadd9 [Core/GG] fixed mirrored access to I/O control register (G-LOC Air Battle) 2015-03-24 23:59:31 +01:00
EkeEke
2a5592cd25 [Core/MS] improved SG-1000 & Mark-III hardware emulation 2014-11-23 20:38:55 +01:00
EkeEke
d08b903a11 [Core/MS] improved emulation of Japanese Master System I/O chip (315-5297) 2014-11-23 20:30:27 +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
aede1b9299 rearranged core & back-end specific code (part 2) 2013-06-17 22:31:31 +02:00