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3b2: Improve TOD calculation

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This commit is contained in:
Seth Morabito
2017-11-29 21:44:40 +00:00
parent 7df0468b75
commit 22b8e211c6
4 changed files with 44 additions and 198 deletions
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15
3B2/3b2_sysdev.h
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@@ -80,14 +80,8 @@ void csr_write(uint32 pa, uint32 val, size_t size);
/* TOD */
typedef enum tod_action {
TOD_SAVE,
TOD_RESTORE
} TOD_ACTION;
typedef struct tod_data {
time_t rsec; /* Real clock time from the host */
t_uint64 ssec; /* Simulated time in 1/10th second since the epoch */
int32 delta; /* Delta between simulated time and real time (sec.) */
uint8 tsec; /* 1/10 seconds */
uint8 unit_sec; /* 1's column seconds */
uint8 ten_sec; /* 10's column seconds */
@@ -104,11 +98,8 @@ typedef struct tod_data {
uint8 pad[3]; /* Padding to 32 bytes */
} TOD_DATA;
void tod_init_time();
void tod_update_tdata();
void tod_update_ssec();
void tod_sync();
t_stat tod_svc(UNIT *uptr);
void tod_resync();
void tod_update_delta();
t_stat tod_reset(DEVICE *dptr);
t_stat tod_attach(UNIT *uptr, CONST char *cptr);
t_stat tod_detach(UNIT *uptr);