TRS-80 Model II/12/16 CP/M Plus 26-4740 This is the Radio Shack release of CP/M Plus (aka CP/M 3.0) This was released as a 4 disk set. We have 2 different versions, the second of which is incomplete. However, both versions have the critical unbanked system disk which allows you to use CP/M with 64K. TRS-80_Model_II_12_16_CPM_Plus_Reference_Manual.pdf Specific CP/M Plus documentation for this software package for the Model II/12/16. Digital_Research_CPM_Plus_Operating_System_Guide.pdf Digital_Research_CPM_Plus_Programmers_Guide.pdf Digital_Research_CPM_Plus_Users_Guide.pdf Digital_Research_CPM_Plus_Command_Summary.pdf The standard Digital Research CP/M Plus official documentation.