Winsoft IOPort v5.4 for Delphi/C++ Builder 5 - 10.4 Sydney Full Source

Delphi and C++ Builder component for accessing Windows I/O and memory-mapped ports.

Access to I/O and memory-mapped ports on 32 and 64-bit Windows
PnP device drivers built using Microsoft KMDF WDK framework
Easy of use, component is fully autoconfigurable
Available for Delphi/C++ Builder 5 - 10.4 and Lazarus 2.0.8
Block data transfer enables high speed data transfer
DirectAccess mode provides the fastest access to I/O ports (32-bit Windows only)
Source code of component included in full version
Royalty free distribution of component and device driver with applications