What's New:
- New HDC firmware v2 to support returning HDD size in Y:X for status call. [@peteri]
- Add (debug) cmd line switch to revert to HDC firmware v1: -hdc-firmware-v1.
- Support Saturn RAM card in slot 3 for any Apple II model (for Robo Systems' RoboCAD 2).
- Speaker: change from mono to stereo sound buffer.
- Robocom's Interface Module dongle: use actual values for 1000 & 1500 series dongles.
Bug Fixes
- Fix for $C010 which should not read the keyboard latch on Apple II and Apple II+.
- 6502/65C02: Fix JSR for edge-case where JSR ABS16 is on stack and SP points to ABS16!
- Phasor in Echo+ mode: fix the chip-select polarity.