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Added support for Logical End of Tape (EOT) detection when required

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This commit is contained in:
Mark Pizzolato
2012-01-24 10:12:26 -08:00
parent 3e8b43b4c6
commit 7a558a4e63
3 changed files with 43 additions and 13 deletions
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8
sim_tape.h
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@@ -23,6 +23,7 @@
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from Robert M Supnik.
23-Jan-12 MP Added support for Logical EOT detection while positioning
05-Feb-11 MP Add Asynch I/O support
30-Aug-06 JDB Added erase gap support
14-Feb-06 RMS Added variable tape capacity
@@ -99,6 +100,8 @@ typedef uint16 t_tpclnt; /* magtape rec lnt */
#define MTPOS_M_REV (1u << MTPOS_V_REV) /* Reverse Direction */
#define MTPOS_V_OBJ 1
#define MTPOS_M_OBJ (1u << MTPOS_V_OBJ) /* Objects vs Records/Files */
#define MTPOS_V_DLE 4
#define MTPOS_M_DLE (1u << MTPOS_V_DLE) /* Detect LEOT */
/* Return status codes */
@@ -112,6 +115,7 @@ typedef uint16 t_tpclnt; /* magtape rec lnt */
#define MTSE_EOM 7 /* end of medium */
#define MTSE_RECE 8 /* error in record */
#define MTSE_WRP 9 /* write protected */
#define MTSE_LEOT 10 /* Logical End Of Tape */
typedef void (*TAPE_PCALLBACK)(UNIT *unit, t_stat status);
@@ -140,8 +144,8 @@ t_stat sim_tape_sprecsf (UNIT *uptr, uint32 count, uint32 *skipped);
t_stat sim_tape_sprecsf_a (UNIT *uptr, uint32 count, uint32 *skipped, TAPE_PCALLBACK callback);
t_stat sim_tape_spfilef (UNIT *uptr, uint32 count, uint32 *skipped);
t_stat sim_tape_spfilef_a (UNIT *uptr, uint32 count, uint32 *skipped, TAPE_PCALLBACK callback);
t_stat sim_tape_spfilebyrecf (UNIT *uptr, uint32 count, uint32 *skipped, uint32 *recsskipped);
t_stat sim_tape_spfilebyrecf_a (UNIT *uptr, uint32 count, uint32 *skipped, uint32 *recsskipped, TAPE_PCALLBACK callback);
t_stat sim_tape_spfilebyrecf (UNIT *uptr, uint32 count, uint32 *skipped, uint32 *recsskipped, t_bool check_leot);
t_stat sim_tape_spfilebyrecf_a (UNIT *uptr, uint32 count, uint32 *skipped, uint32 *recsskipped, t_bool check_leot, TAPE_PCALLBACK callback);
t_stat sim_tape_sprecr (UNIT *uptr, t_mtrlnt *bc);
t_stat sim_tape_sprecr_a (UNIT *uptr, t_mtrlnt *bc, TAPE_PCALLBACK callback);
t_stat sim_tape_sprecsr (UNIT *uptr, uint32 count, uint32 *skipped);