Micro64 is an cycle exact Commodore C64 emulator. New in this version. Support for the EasyFlash cartridge. Added a PRG/POO/C64 mode menu. Improved the interrupt delay counter stop behavior. Improved 6502/6210 CPU simulation on transistor switching level. Better IRQ/NMI behavior.
The improvements on the CPU emulation are made with information of the Visual6502.org web page. This web page analyzed the 6502 CPU at the transistor level.

Visual6502.org web page.