SDL-Hercules-390 / hyperion

The SDL Hercules 4.x Hyperion version of the System/370, ESA/390, and z/Architecture Emulator
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Allow guest OS to handshake with spooled print/punch file ourput #678

Closed bdenton closed 2 weeks ago

bdenton commented 3 weeks ago

This PR adds a new handshake option to the printer and cardpch device handler. The purpose of which is to add new File-Open and File-Close CCWs for use by the guest OS to delineate spool file boundaries and properly name the files creates by Hercules. Updates to VM370CE v1.1.2 are included to integrate VM guests with this update.

This PR makes minor changes to the way the append option is processed.

cheers, William Denton