detect/initialize DUART _after_ 16550

prevents 16550 detection from stomping on DUART registers
(untested: does the DUART detection stomp on the 16550?)

add DUART to serial device strings list

Source/HBIOS/hbios.asm

@@ -1625,12 +1625,12 @@ HB_PCINITTBL:
 #IF (ASCIENABLE)
 	.DW	ASCI_PREINIT
 #ENDIF
-#IF (DUARTENABLE)
-	.DW	DUART_PREINIT
-#ENDIF
 #IF (UARTENABLE)
 	.DW	UART_PREINIT
 #ENDIF
+#IF (DUARTENABLE)
+	.DW	DUART_PREINIT
+#ENDIF
 #IF (SIOENABLE)
 	.DW	SIO_PREINIT
 #ENDIF
@@ -1662,12 +1662,12 @@ HB_INITTBL:
 #IF (ASCIENABLE)
 	.DW	ASCI_INIT
 #ENDIF
-#IF (DUARTENABLE)
-	.DW	DUART_INIT
-#ENDIF
 #IF (UARTENABLE)
 	.DW	UART_INIT
 #ENDIF
+#IF (DUARTENABLE)
+	.DW	DUART_INIT
+#ENDIF
 #IF (SIOENABLE)
 	.DW	SIO_INIT
 #ENDIF
@@ -2991,15 +2991,6 @@ SIZ_ASCI	.EQU	$ - ORG_ASCI
 		.ECHO	" bytes.\n"
 #ENDIF
 ;
-#IF (DUARTENABLE)
-ORG_DUART	.EQU	$
-  #INCLUDE "duart.asm"
-SIZ_DUART	.EQU	$ - ORG_DUART
-		.ECHO	"DUART occupies "
-		.ECHO	SIZ_DUART
-		.ECHO	" bytes.\n"
-#ENDIF
-;
 #IF (UARTENABLE)
 ORG_UART	.EQU	$
   #INCLUDE "uart.asm"
@@ -3009,6 +3000,15 @@ SIZ_UART	.EQU	$ - ORG_UART
 		.ECHO	" bytes.\n"
 #ENDIF
 ;
+#IF (DUARTENABLE)
+ORG_DUART	.EQU	$
+  #INCLUDE "duart.asm"
+SIZ_DUART	.EQU	$ - ORG_DUART
+		.ECHO	"DUART occupies "
+		.ECHO	SIZ_DUART
+		.ECHO	" bytes.\n"
+#ENDIF
+;
 #IF (SIOENABLE)
 ORG_SIO		.EQU	$
   #INCLUDE "sio.asm"
@@ -3913,7 +3913,7 @@ PS_FLP_DSTR: 	.TEXT	"SD$"		; PS_FLPSD
 ;
 PS_SDSTRREF:
 	.DW	PS_SDUART, PS_SDASCI, PS_SDTERM
-	.DW	PS_SDPRPCON, PS_SDPPPCON, PS_SDSIO, PS_SDACIA, PS_SDPIO,PS_SDUF
+	.DW	PS_SDPRPCON, PS_SDPPPCON, PS_SDSIO, PS_SDACIA, PS_SDPIO,PS_SDUF,PS_SDDUART
 ;
 PS_SDUART	.TEXT	"UART$"
 PS_SDASCI	.TEXT	"ASCI$"
@@ -3924,6 +3924,7 @@ PS_SDSIO	.TEXT	"SIO$"
 PS_SDACIA	.TEXT	"ACIA$"
 PS_SDPIO	.TEXT	"PORT$"
 PS_SDUF		.TEXT	"UF$"
+PS_SDDUART	.TEXT	"DUART$"
 ;
 ; CHARACTER SUB TYPE STRINGS
 ;