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epple2 (by Chris Mosher) is an emulator of the original APPLE ][ and APPLE ][ PLUS computers from Apple, Inc.. It runs on Windows, Mac, and Linux platforms.

Epple ][ is released under the GPLv3 license.

It is written in C++ and is designed with cross-platform portability in mind. It uses the SDL2 graphics library.

Features

• Cycle-accurate MOS 6502 CPU including phantom reads
• NTSC video signal emulation: all video quirks emulated accurately
• Revision Zero motherboard
• TV and monitor emulation
• RAM chips configurable: 4K to 48K
• Floating data bus, and video scanner
• Cards: Disk ][, language, firmware, clock
• Logic State Sequencer emulation (16 and 13 sector disks)
• WOZ 2 disk image format, supports all copy-protected disks
• Track arm accurately writes quarter-tracks
• Paddles (mouse emulates two paddles)
• Cassette tape interface
• PR#1 writes to standard output
• Repeat key
• POWER light