4 Commits

Author	SHA1	Message	Date
Brian Koropoff	2135365d5c	Add experimental overclock option. ... This reduces all cycle costs by half for the primary CPU. There is a delay upon loading before overclocking is applied as a workaround for some games that detect PAL/NTSC systems by counting cycles in a frame at startup.	2017-10-03 16:46:17 -07:00
EkeEke	527fd6ecd8	[Core/VDP] improved VDP status read timing accuracy (fixes 'Marvel Land' demo mode)	2017-09-20 10:53:08 +02:00
EkeEke	5a74df31ee	[Core/CPU] fixed 68k undocumented behaviors for ABCD/SBCD/NBCD instructions (thanks to flamewing for his test ROM)	2017-03-30 15:02:15 +02:00
EkeEke	aede1b9299	rearranged core & back-end specific code (part 2)	2013-06-17 22:31:31 +02:00