A general overview of the files for PC transfers to and from the Poly88. This is a number of programs that are used to save tape images from the Poly88 to a PC or to transfer tape images from the PC to the poly88 to write to tapes. On the PC side are two programs, POLYUP.COM and POLYWR.COM. These are intended to be used from DOS. If using a Windows, and a DOS window, it my still interfer with the transfer. The source files are included as POLYUP.SEQ and POLYWR.SEQ. These are written in the Forth language. They may take some learning if one wants to rewrite these into some other language as 'C' or othe language of choice. POLYWR.COM is used to transfer image information to the POLY88 through the original serial port. The Poly88 side must have SERLOAD in the Poly88 memory running. The file POLYWR.TXT has the bytes that can be entered the first time to get the system bootstraped. This program should be saved to tape to use in the future. This should be done with TPERR since the SMD provided by the Poly88 manual is to be loaded at the same location. When images are saved to the PC, they have the binary of TPERR at the begining of each image. The is done this way because TPERR has the routines in it to write the image file format into the tape format used by the monitor. Tapes created by TPERR can then be used as normal tapes on the Poly88. Saving tape images from the Poly88 to the PC is done with POLYUp.COM, the tape SERDUMP and TPERR. This is described in POLYUP.TXT. SERDUMP will send a block of memory from the Poly88s memory to the PC. In order to save a tape image it is necessary to calculate the size of the image as described in the file POLYUP.TXT. When using SERDUMP to save images, it is also necessary to send then up with TPERR attached, although, SERDUMP could be used stand alone to save a binary of something like the monitor ROM. To transfer images, TPERR is first used to read tapes into memory. It reads and saves into RAM not only the data but also the record headers. These can then be used when creating a tape from the images saved. Please read POLYUP.TXT for instructions on using these programs to save images. TPERR can also be used to replicate tapes without using SERDUMP. Dwight Elvey 6/16/2011