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byuu says (in the public announcement):
This release adds very preliminary emulation of the Sega Master System
(Mark III), Sega Game Gear, Sega Mega Drive (Genesis), and NEC PC Engine
(Turbografx-16). These cores do not yet offer sound emulation, save
states or cheat codes.
I'm always very hesitant to release a new emulation core in its alpha
stages, as in the past this has resulted in lasting bad impressions
of cores that have since improved greatly. For instance, the Game Boy
Advance emulation offered today is easily the second most accurate around,
yet it is still widely judged by its much older alpha implementation.
However, it's always been tradition with higan to not hold onto code
in secret. Rather than delay future releases for another year or two,
I'll put my faith in you all to understand that the emulation of these
systems will improve over time.
I hope that by releasing things as they are now, I might be able to
receive some much needed assistance in improving these cores, as the
documentation for these new systems is very much less than ideal.
byuu says (in the WIP forum):
Changelog:
- PCE: latch background scroll registers (fixes Neutopia scrolling)
- PCE: clip background attribute table scrolling (fixes Blazing Lazers
scrolling)
- PCE: support background/sprite enable/disable bits
- PCE: fix large sprite indexing (fixes Blazing Lazers title screen
sprites)
- HuC6280: wrap zeropage accesses to never go beyond $20xx
- HuC6280: fix alternating addresses for block move instructions
(fixes Neutopia II)
- HuC6280: block move instructions save and restore A,X,Y registers
- HuC6280: emulate BCD mode (may not be 100% correct, based on SNES
BCD) (fixes Blazing Lazers scoring)
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| .. | ||
| audio | ||
| data | ||
| emulator | ||
| fc | ||
| gb | ||
| gba | ||
| md | ||
| ms | ||
| obj | ||
| out | ||
| pce | ||
| processor | ||
| resource | ||
| sfc | ||
| systems | ||
| target-tomoko | ||
| video | ||
| ws | ||
| GNUmakefile | ||