BBC Micro ARM7 Co-Processor Available

The ultimate accessory for 8 bit Acorn users, an ARM7 co-processor, is now available to order. Robert Sprowson’s ingenious project to produce a second processor sees a 64MHz ARM7TDMI from OKI running alongside a BBC Master’s dinosaur 6502 CPU. The box of tricks uses an Altera FPGA as digital glue to bind together the second processor, 16M of RAM, 512K of Flash ROM, and optional serial port and EEPROM chip. The ARM7 chip includes a 8K cache, and the kit took over six months to develop.


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