* Improved encapsulation between video and machine SoC periperals;
* Split up HWs in individual files where they don't belong to Crystal System HW, makes future development easier;
* Untangled reads/writes to draw/display bankswitches from screen_update, now they can be unthrottled safely;
* Added CRTC screen raw parameters;
* Add DMA hold feature and clear irq on mask writes, specific for P's Attack;
* Improved Cross Puzzle flash loading, currently failing at POST for a SPU error;
nexus3d.cpp: add some preliminary work, currently does some VRender3d pipeline fill with a debug trick [Angelo Salese]
(out of whatsnew)
Some stuff definitely needs fine graining, like removing the few lines that are still necessary to configure the VRender0 from driver files, which I'm gonna do in my next feature branch.
Split out the floppy disk controller from the swtpc09 machine, adding it to
the ss50 interface. The DC5 is compatible with both the SWTPC 6800 and 6809
systems, supporting the 4 and 16 byte I/O interfaces respectively, via a
jumper setting, so can be used on the MAME swtpc and swtpc09 machines. The
DC5, like the DC4, supports double sided and density disks, and claimed
backward compatibility with the DC1, DC2 and DC3.
Split out the PIA IDE hard disk interface from the swtpc09 machine. This
support appears to have been incomplete or to have bit rotten, and has been
updated and tested lightly with FLEX9.
Credits: ClawGrip, Roberto Fresca, Recreativas.org,
Dumping Union, System11, Dirk Best
This is based on an MCS-51 core, like the MK3 bootleg. They are
clearly based on the same code, so the MK3 bootleg was moved to
this driver.
* Enable precompiled header usage in the Visual Studio compiler
But only for libraries emu frontend precompile dasm optional
Also add emu.h include to hpcdasm.cpp
* Include emu.h in some disassembler sources to use precompiled headers
* Remove debug message
The UniFLEX disk format is not compatible with the Flex format. Significantly it
does not use a mix of single density for booting on some double density disks
which makes it simpler - hardware required a new boot ROM to run UniFLEX.
Further, the UniFLEX sector size is 512 bytes versus 256 for Flex, and the
UniFLEX 'SIR' info sector record is completely different to the info on Flex
disk, and the file system format is also not at all compatible.
Thus the UniFlex format can rely largely on the WD17xx format, with an
overload to handle the sector numbering on the second side continuing from the
first side (one feature in common with the Flex format). This gives a quick
'save' capability and shares code.
Support for 8" disks is included as this was the initial distribution format
and the only one found so far.
* gdbstub: added new GDB stub debugger
This debugger can be used to connect to an external debugger that
communicates using the GDB Remote Serial Protocol, such as GDB itself
or many other GDB frontends.
Currently i386 (ct486), arm7 (gba), and ppc (pmac6100) are supported.
* gdbstub: enable GDB stub debugger in mac and windows builds
--------------
Mephisto [hap, Berger]
Mephisto II [hap, Berger]
Mephisto III [hap, Berger]
New working clone added
---------------
Mephisto Amsterdam (older) [Berger]
Mephisto London 16 Bit [Berger]
- Clean up notes, add TODO
- Use pulse_input_line for NMI
- Document coin lockout
- Document attribute RAM layout
- Background layer color is actually 3 bits
