added datetime device

uxn/uxn.ha

@@ -2,6 +2,8 @@ use fmt;
 use os;
 use fs;
 use io;
+use time;
+use time::date;
 use strings;
 
 // let console_vector: u16 = 0;
@@ -84,6 +86,44 @@ fn emu_dei(port: u8, state: *uxn) u8 = {
 			return state.ptr[0];
 		case 0x05 =>
 			return state.ptr[1];
+		case 0xc0 =>
+			const date = time::date::localnow();
+			const year = time::date::year(&date);
+			return ((year) >> 8): u8;
+		case 0xc1 =>
+			const date = time::date::localnow();
+			const year = time::date::year(&date);
+			return year: u8;
+		case 0xc2 =>
+			const date = time::date::localnow();
+			return time::date::month(&date): u8 - 1;
+		case 0xc3 =>
+			const date = time::date::localnow();
+			return time::date::day(&date): u8;
+		case 0xc4 =>
+			const date = time::date::localnow();
+			return time::date::hour(&date): u8;
+		case 0xc5 =>
+			const date = time::date::localnow();
+			return time::date::minute(&date): u8;
+		case 0xc6 =>
+			const date = time::date::localnow();
+			return time::date::second(&date): u8;
+		case 0xc7 =>
+			const date = time::date::localnow();
+			return time::date::weekday(&date): u8;
+		case 0xc8 =>
+			const date = time::date::localnow();
+			const day = time::date::yearday(&date) - 1;
+			return ((day) >> 8): u8;
+		case 0xc9 =>
+			const date = time::date::localnow();
+			const day = time::date::yearday(&date) - 1;
+			return day: u8;
+		case 0xca =>
+			const date = time::date::localnow();
+			const zone = time::date::zone(&date);
+			return if(zone.dst) {yield 1;} else {yield 0;}; //TODO this isn't tested
 		case =>
 			return state.dev[port];
 	// fmt::printfln("Read {:x} from port {:x}", val, port)!;