Datetime syscall fixed and compat macro introduced

tal-lib/esop-lib-macro.tal

@@ -3,6 +3,8 @@
 
 |00 @Control [ &framevec $2 &io $2 &random $1 &status $1 &sound $1 &syscall $1 ]
 
+|c0 @DateTime [ &year $2 &month $1 &day $1 &hour $1 &minute $1 &second $1 &dotw $1 &doty $2 &dst $1 ]
+
 ( control block macros )
 
 %SETSCRVEC { .Control/framevec DEO2 }
@@ -24,6 +26,10 @@
 %DBGBYTE { DUP DBG }
 ( val* -- val* )
 %DBGSHORT { DUP2 SWP DBG DBG }
+( addr* -- addr* )
+%DATETIME { DUP2 #46 SYS SWP SYS SYS }
+( load date and time into #00c0 similarly to Varvara or SPARTA specs )
+%DATETIME-COMPAT { #c000 #46 SYS SYS SYS }
 
 ( input helper macros )