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ALL: Standardize writelock behavior adding global UNIT_WLK & UNIT_WPRT

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Historically this functionality was reimplemented within each
DEVICE simulator often with slightly different implementations
and inconsistencies.  Solving this globally within SCP required
changes in many places, but should henceforth be reasonably
managed.

As discussed in #1034
This commit is contained in:
Mark Pizzolato
2021-04-19 10:58:51 -07:00
parent 587b81bed4
commit a015e44c10
81 changed files with 413 additions and 467 deletions
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5
sim_tape.h
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@@ -92,7 +92,7 @@ typedef struct {
/* Unit flags */
#define MTUF_V_WLK (UNIT_V_UF + 0) /* write locked */
#define MTUF_V_UF (UNIT_V_UF + 0)
#define MTUF_F_STD 0 /* SIMH format */
#define MTUF_F_E11 1 /* E11 format */
#define MTUF_F_TPC 2 /* TPC format */
@@ -110,8 +110,7 @@ typedef struct {
#define MTAT_F_RSTS 3 /* RSTS ANSI type */
#define MTAT_F_VAR 4 /* RSTS VAR ANSI type */
#define MTUF_V_UF (MTUF_V_WLK + 1)
#define MTUF_WLK (1u << MTUF_V_WLK)
#define MTUF_WLK UNIT_WLK
#define MTUF_WRP (MTUF_WLK | UNIT_RO)
#define MT_SET_PNU(u) (u)->dynflags |= UNIT_TAPE_PNU