What is it?
It's a Windows program for reading and writing the SMSReader. The SMSReader is a device you can build yourself that lets you dump Master System games, read and write savegames from cartridges, and write data to development cartridges.
SMS Reader (275KB)
Source (Delphi 7, 35KB)
Made port address typable for compatibility with non-standard parallel port hardware.
Reverted a parallel port setting change that seemed to have broken compatibility with some computers.
Added more logging and more options.