Classic99 v389

Description

Classic99 is a freeware TI99/4A emulator for Windows 2000 and up. Classic99 runs most stuff fine:

System ROMs and many cartridges are INCLUDED under license from Texas Instruments
boots and runs all console OS functions (except cassette I/O) and TI BASIC correctly
most modules seem to work fine
XB/Atarisoft/Jon379/SuperSpace cartridge bank switching supported
full sound emulation of all channels
Speech implemented for both speech ROMs and external speak
keyboard CRU scanning implemented
joystick support
9901 timer supported
disk supports V9T9 files, TIFILES/Xmodem files, Windows native files, V9T9 DSK and PC99 DSK images (DSK images are readonly)
DirectX Windowed and FullScreen, as well as nonDirectX windowed modes.
Full Sprite collision detection (by pattern)
Numerous video filter options (HQ4X, 2xSAI, SuperEagle, NTSC, etc)
Integrated debugger with single step
PS/2 keyboard emulation builtin
Mousedriven menu selection (doubleclick on screen)
1MB Super AMS card supported
Full source code included

(2015-10-07)

A long time ago I implemented the speed improvement in the core I hinted at in the original release.. it made about a 15% improvement. (Using table lookup instead of tearing apart the opcode every cycle).
Did some work on cleaning up a little - wrote a simulator for the console interrupt routine. It's incomplete, but it improved compatibility remarkably! Between that, and actually loading the right amount of cartridge data, a lot of stuff that didn't even try before now runs.
It also means I scan for FCTN (ALT) = now. ;) Though other FCTN keys are NOT implemented. I notice FCTN = crashes sometimes - I think if it's held down and repeats once or twice. I'll get to checking that.