VirtualC64 emulates a Commodore 64 personal computer on your Intel Macintosh OSx > 10.6.

I wrote the software with two major goals in mind. First, I wanted to create an emulator that can be used as a demonstrator program in a first year or second year course on computer engineering.

To achieve this goal, I have integrated various debugging capabilities that let you peek inside the CPU, RAM, ROM, or one of the custom chips. Second, I tried to make the emulator as user friendly as it can get.

In short: VirtualC64 tries to combine the ongoing fascination of the ancient Commodore computers with the great user experience of today’s Macs.

Bug fixes and enhancements:

• Fixed a bug that caused the emulator to crash on startup on some machines.
• VirtualC64 supports OS X Lion.
• Preference panels are now tight to their individual virtual machines.
• CIA debug panel has been redesigned.
• Deprecated CoreAudio API calls have been removed.
• Fixed a bug in the BCD to binary conversion routine.
• Fixed a bug that caused the TOD to wake up too early after reading the tenth of a second register.
• Thumbnail images are now rendered properly when switching from PAL to NTSC and vice versa (issue #107)
• Fixed a bug that caused keyboard events to be rejected when the main window got focus (issue #110)
• Fixed a bug that caused a discolored line to appear at the right border of the screen texture.
• Yet another startup animation.

Download: VirtualC64 v0.9.5.1 (1356)

source: dirkwhoffmann.de