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The Null-modem emulator (com0com) is a kernel-mode virtual serial port driver for Windows. You can create an unlimited number of virtual COM port pairs and use any pair to connect one COM port based application to another. The HUB for communications (hub4com) allows to receive data and signals from one COM or TCP port, modify and send it to a number of other COM or TCP ports and vice versa.
EM-65C02 emulates a Western Design Centre (WDC) 65C02 microprocessor on a Microchip PIC24/33 microcontroller.
The code supports varying amounts of RAM and ROM depending on the features of the host device. The emulation speed depends on the device and its oscillator configuration. A PIC24EP running at 70MIPS has emulates a 65C02 running at about 6Mhz.
The example code configuration uses a copy of the BBC BASIC ROM image and a simulation of enough of the Acorn MOS to make the BASIC work...