x16-emulator-r41 ("Marrakech")

Main differences:

• New BASIC BLOAD, BVLOAD and BVERIFY commands for header-less loading
• Improved default keyboard

Emulator:

• allow apps to intercept Cmd/Win, Menu and Caps-Lock keys
• fixed -prg with -sdcard
• fixed loading from host filesystem (length reporting by MACPTR on EOI)
• macOS: support for older versions like Catalina (10.15)

ROM:

• KERNAL
  • keyboard
    • added 16 more keyboard layouts (28 total)
    • default layout ("ABC/X16") is now based on Macintosh "ABC - Extended" (full ISO-8859-15, no dead keys)
    • "keymap" API to activate a built-in keyboard layout
    • custom keyboard layouts can be loaded from disk (to $0:$A000)
    • Caps key behaves as expected
    • support for Shift+AltGr combinations
    • support for dead keys (e.g. ^ + e = ê)
    • PgUp/PgDown, End, Menu and Del generate PETSCII codes
    • Numpad support
    • Shift+Alt toggles between charsets (like C64)
    • Editor: "End" will position cursor on last line
  • VERA source/target support for memory_fill, memory_copy, memory_crc, memory_decompress [with PG Lewis]
  • fixed headerless load for verify/VRAM cases [Mike Ketchen]
  • don't reset screen colors on mode switch
• BASIC:
  • BLOAD, BVLOAD and BVERIFY commands for header-less loading [ZeroByteOrg]
  • KEYMAP command to change keyboard layout
  • support DOS8..DOS31 (and A=9:DOSA etc.) to switch default device
  • MOUSE and SCREEN accept -1 as argument (was: $FF)
  • Changed auto-boot filename from AUTOBOOT.X16* to AUTOBOOT.X16
• Monitor:
  • fixed RMB/SMB disassembly
• Charset:
  • X16 logo included in ISO charset, code $AD, Shift+Alt+k in ISO mode