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picasso96.readme
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1998-03-18
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Short: Picasso96 system for Amiga graphics boards
Author: Tobias Abt <tabt@studbox.uni-stuttgart.de>
Uploader: Tobias Abt <tabt@studbox.uni-stuttgart.de>
Type: gfx/board
Version: 1.37
This archive contains all you need to get Picasso96 up and running on your
Amiga. Picasso96 offers support for many different Amiga graphics boards,
has builtin HiColor and TrueColor support for intuition screens and many
more...
Requirements:
- Kickstart and Workbench 3.0 (V39),
- Motorola MC68020 processor or better,
- CyberVision64, CyberVision64/3D, Domino, Merlin, oMniBus, PicassoII,
PicassoII+, PicassoIV, Piccolo, Piccolo SD64, Pixel64, Retina BLT Z3,
Spectrum or uaegfx.
AnyWare, i.e. not commercial or ShareWare. No distribution restrictions.
Short history:
Changes in 1.37:
- removed SwapBitsRastPortClipRect bug (aka FastLayers/PictureManager bug)
- removed bug causing crashes with PMTNG while editing the test screen
- cybergraphics.library emulation now v41 compatible
- included an emulation of the cgxvideo.library using the video overlay
of the PicassoIV (not tested well, no CV64/3D overlay support yet, will
not work with Isis because of tests for emulation)
- added new board tool type "MemoryClock" which sets the memory clock
(in MHz) of the board within the allowed ranges (you can check with
CheckBoards to see the effectively used clock value). Boards that
support variable memory clocks and the supported ranges (exceeding values
will be clipped):
- CyberVision64: 54-65
- CyberVision3D: 55-65
- Retina BLT Z3: 60-85
Note: Cirrus based boards already run at maximum speed and therefore do
not support this tool type, Tseng based boards do not support variable
memory clocks
- PicassoII: added support for Pablo (all modes with 15 kHz and 50/60 Hz
switch on the video encoder) and possibly fixed a bug with wrong colors
- Retina BLT Z3: fixed a bug causing some blitter trash on 68030 based
Amigas
- extended PIP-API:
- CLUT PIPs on Hi/TrueColor screens can have their own color table
- PIP does no longer have to use the complete window interior
Changes in 1.36:
- This time PhotoGenics really does no longer open 2 color screens :-))
- Fixed p96CloseScreen bug which resulted in MungWall hits
- Fixed icon paint error in planar modes (BOBs with mask)
- Retina BLT Z3: remaining 24 bit panning problem fixed
- Changed the way layers.library handles Picasso96 PIP windows
- Spectrum and Piccolo boards now support interupts
- Reduced maximum polling time if waiting for a vertical retrace. This
will solve problems with DPMS on Cirrus GD542x based boards, which do
not generate display timings in certain blanking levels
- PicassoIV: merged API support for upcoming add-on modules
- Pixel64: fixed board driver setup (color palette routines)
Changes in 1.35:
- Implemented private semaphore mechanism which renders permanent priority
patching obsolete
- Planar modes no longer share the display id with chunky modes, they get
their own ids now
- Retina BLT Z3: more blitting functions, friend bitmaps are now on board
if possible, BltTemplate() acceleration (Text() should be much faster
now), eliminated problems with wrong mouse sprite colors and interlaced
modes
- Merlin: implemented blitter acceleration for BltPattern() cases with
monochrome patterns (8/15/16/32bit)
- WritePixel() sped up to some degree
- Software pointer sprite problems fixed within WritePixelArray8(),
WritePixelLine8() and WriteChunkyPixels(), which showed up with ADoom.
- OpenScreen() with depth=0 now behaves like CGfx, so patches for
PhotoGenics are no longer needed
- Cirrus GD5434 and GD5446 based boards: fine horizontal timing adjustments
fixed
Changes in 1.34a:
- Fixed bugs in PicassoIV.card
- NCR77C32BLT.chip:
- sprite colors corrected in 15bit
- now pixel aligned panning only
- Default settings files now contain 32bit modes, too (needed for TrueColor
on CyberVision* cards)
Changes in 1.34:
- Optimized WritePixelArray() and the like (significant speed-up)
- BltPattern() with color patterns fixed (TurboPrint6-GrafikPublisher bug)
- BltMaskBitMapRastPort() is fast and flicker-less now
- ScrollVPort() sprite position problems corrected (Myst)
- CVision3D driver partially supports BltTemplate() acceleration (Text()
should be much faster now), maybe some ZorroII problems are resolved now,
too (unfortunately untested)
Changes in 1.33:
- Fixed handling of panning that was broken when introducing the
ScrollVPort() patch (Visage center option works again now)
- PicassoIV: corrected flickerfixer setup, PIP fixes (menus are always
visible now, max. zoom factor is now 8)
- Blitting from Y4U2V2 bitmaps to Hi- and TrueColor bitmaps implemented.
Changes in 1.32:
- Emulation libraries and Picasso96API.library now prefer faster cards
for BestModeID type functions if more than one is installed
- ScrollVPort() implemented and tested (thanks to James Ceraldi). This
should fix problems with CyberAnim, too.
- Mask blits using same source and destination format (both bitmaps
located in graphics card mem) are done with blitter if available
- PicassoIV: new pixel clock for PabloIV PAL support added
- WaitBOVP() and WaitTOF() added again after minor fixes, these were
left out accidentally in the 1.31 release
- Drivers for the CirrusGD542X boards have been fixed. These were
unfortunately partially defective in the 1.31 release.