INTRQ logic in general is -
Reset conditions: status register read, command register write.
Setting conditions: command-specific (completion etc), command 0xDX is in command register and one of I0-3 conditions met.
Various WD FDC doc's statements 'command D0 is the only command which may clear interrupt after D8' is not correct, any other than Dx command write to command register will do this aw well.
(nw) This has been a long time coming but it's here at last. It should
be easier now that logerror, popmessage and osd_printf_* behave like
string_format and stream_format. Remember the differences from printf:
* Any object with a stream out operator works with %s
* %d, %i, %o, %x, %X, etc. work out the size by magic
* No sign extending promotion to int for short/char
* No widening/narrowing conversions for characters/strings
* Same rules on all platforms, insulated from C runtime library
* No format warnings from compiler
* Assert in debug builds if number of arguments doesn't match format
(nw) Also removed a pile of redundant c_str and string_format, and some
workarounds for not being able to portably format 64-bit integers or
long long.
* New clones marked as NOT_WORKING
--------------------------------
Vs. Super Mario Bros. (bootleg with Z80, set 3) [jordigahan, ClawGrip]
* Add "suprmriobl3" (nw)
- Identify CPU type used by vreadere as ePG3231
- Add preliminary port I/O handlers and callbacks
- Add stub handlers and state variables for interrupt controller, timers, synthesizer, UART and SPI
- Fix TBRD addressing of external data memory
- Fix calculation of carry flag for normal additive operations
- Implement multi-byte carry/borrow for applicable registers
- Implement signed multiplication option
- Add internal stack buffer for saving PCH during calls/interrupts
[Dirk Best, TeamEurope, Brian Troha]
The US version MCU has been created from the dumped japanese MCU
by patching the init byte.
Removed the MCU simulation.
* New NOT_WORKING software list additions
---------------------------------------
Baby's First Words (USA) [ClawGrip, TeamEurope]
Pooh Loves You! (USA) [ClawGrip, TeamEurope]
If I were... (USA) [ClawGrip, TeamEurope]
* Add separate software list for Leap Frog Little Touch LeapPad (nw)
* Fix game name (nw)
* Add MIDI floppy softlist
* IMG raw sector dump misses something in the data somewhere, so use IMD instead (which decodes fine)
* Missed file name
* Add midi softlist to a couple of IBM PCs
