SCP: Avoid writing out memory buffered devices on detach that haven't changed

As discussed in #1109
2026-04-26 12:07:16 +00:00 · 2022-02-13 22:50:37 -08:00
parent 0116987fc7
commit 315a07cbc7
2 changed files with 18 additions and 5 deletions
--- a/sim_defs.h
+++ b/sim_defs.h
@@ -585,6 +585,7 @@ struct UNIT {
    uint32              dynflags;                       /* dynamic flags */
    t_addr              capac;                          /* capacity */
    t_addr              pos;                            /* file position */
+    void                *filebuf2;                      /* copy of initial memory buffer */
    void                (*io_flush)(UNIT *up);          /* io flush routine */
    uint32              iostarttime;                    /* I/O start time */
    int32               buf;                            /* buffer */