This repository holds files related to the SoftBox, a Z80-based single board computer for CP/M that attaches to Commodore PET/CBM computers as an IEEE-488 peripheral.

• apps/: disassemblies of SoftBox applications that run under CP/M

• bios/: SoftBox EPROMs (CP/M BIOS)

• cpm22/: SoftBox system image with BDOS and configuration data (CPM.PRG)

• hardbox/: HardBox EPROMs

• ls287/: address decoding PROMs and equivalent equations

• terminals/: SoftBox terminal programs that run on the Commodore side (K.PRG)

• tools/: tools to convert between CBM DOS disk images and CP/M disk images