Users interested in Topview simulator 64 bit generally download:
The Topview Programmer A maintains separate buffer areas for selected device’s flash memory, Program Encryption Table, User parameter Table, Serial EEPROM in the programming environment. Initially you need to transfer your target program code/data from the files into this buffer and then program the selected device with these buffer contents.
Topview programmer B is an exclusive professional programming environment to support as many 8051 Derivative microcontrollers and AVR Devices manufactured by the Atmel semiconductors. The programmer supports popular and widely available microcontrollers with OTP and flash memories. Built-in facility is available to support many other compatible microcontrollers from the Atmel stable in future.