Fix for usb-fifo boot display

Source/HBIOS/hbios.asm

@@ -3550,7 +3550,7 @@ PS_FLPED	.TEXT	"ED$"
 ;
 PS_SDSTRREF:
 	.DW	PS_SDUART, PS_SDASCI, PS_SDTERM,
-	.DW	PS_SDPRPCON, PS_SDPPPCON, PS_SDSIO, PS_SDACIA, PS_SDPIO
+	.DW	PS_SDPRPCON, PS_SDPPPCON, PS_SDSIO, PS_SDACIA, PS_SDPIO,PS_SDUF
 ;
 PS_SDUART	.TEXT	"UART$"
 PS_SDASCI	.TEXT	"ASCI$"
@@ -3560,6 +3560,7 @@ PS_SDPPPCON	.TEXT	"PPPCON$"
 PS_SDSIO	.TEXT	"SIO$"
 PS_SDACIA	.TEXT	"ACIA$"
 PS_SDPIO	.TEXT	"PORT$"
+PS_SDUF		.TEXT	"UF$"
 ;
 ; SERIAL TYPE STRINGS
 ;

Source/HBIOS/uf.asm

@@ -4,7 +4,7 @@
 ;	PHIL SUMMERS (b1ackmai1er)
 ;==================================================================================================
 ;
-;	BASE PORT IS SET IN PLT_SBC.INC
+;	BASE PORT IS SET IN CFG_SBC.INC
 ;	INTERRUPTS ARE NOT USED.
 ;	ONLY ONE BOARD SUPPORTED.
 ;
@@ -60,10 +60,11 @@ UF_INIT:
 	PRTS("IO=0x$")
 	LD	A,UFBASE		; PRINT PORT
 	CALL	PRTHEXBYTE
-	LD	A,(UF_USB_ACTIVE)	; PRINT CABLE STATUS
-	OR	A
-	RET	NZ
-	PRTS(" No Cable$")
+	LD	A,(UF_USB_ACTIVE)	; PRINT CONNECTION STATUS
+	OR	A			; REQUIRES TERMINAL PROGRAM
+	RET	NZ			; TO HAVE INITIALIZED PORT
+	PRTS(" No $")			; ON PC SIDE.
+	PRTS("connection$")
 	RET
 ;
 ; INPUT A CHARACTER AND RETURN IT IN E
@@ -161,9 +162,9 @@ UF_DETECT:
 	IN	A,(FIFO_STATUS)
 	AND	10000001B
 	SUB	10000001B		; A=0 CABLE DISCONNECTED
-	RET	Z
+	RET	Z			; OR PC PORT CLOSED
 	LD	A,1			; A=1 CABLE CONNECTED
-	RET
+	RET				; AND PC PORT OPEN
 ;
 ; DRIVER FUNCTION TABLE
 ;