WinUAE 1.4.5 public beta #5

Features for beta 5:

Quote:

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- AGA T (genlock transparency) color register bit emulated (=color register read, RDRAM=1 and LOCT=0 -> return stored T-bit, bit 15, value with color RGB value) instead of always returning zero. Nobody probably cares..)
- AGA sprite doublescan emulated (FMODE SSCAN2 bit) (Does something use this feature?)
- 16 bit display mode graphics problems fixed (b4)
- regular hardfiles, KS 1.3 and FFS filesys path set: all hardfiles gets properly mounted. Previously only first hardfile used FFS.
- switching doublescannon-doublescan didn´t always reset all display parameters (bottom half of display was sometimes blank)

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