Fix Boot Loader for UNA

Source/HBIOS/romldr.asm

@@ -77,7 +77,7 @@ PHASE2:
 
 #IF (PLATFORM == PLT_UNA)
 	; COPY UNA BIOS PAGE ZERO TO USER BANK, LEAVE USER BANK ACTIVE
-	LD	BC,BF_SYSSETBNK	; UNA FUNC = SET BANK
+	LD	BC,$01FB	; UNA FUNC = SET BANK
 	LD	DE,BID_BIOS	; UBIOS_PAGE (SEE PAGES.INC)
 	CALL	$FFFD		; DO IT (RST 08 NOT YET INSTALLED)
 	;PUSH	DE		; SAVE PREVIOUS BANK
@@ -260,7 +260,7 @@ LDMON:
 	DI
 ;
 	; SET LOW MEM TO OS IMAGE BANK
-	LD	BC,BF_SYSSETBNK	; UNA FUNC = SET BANK
+	LD	BC,$01FB	; UNA FUNC = SET BANK
 	LD	DE,BID_OSIMG	; UBIOS_PAGE (SEE PAGES.INC)
 	CALL	$FFFD		; DO IT (RST 08 NOT YET INSTALLED)
 	; COPY MEMORY
@@ -269,7 +269,7 @@ LDMON:
 	LD	BC,MON_SIZ
 	LDIR
 	; RESET LOW MEM TO USER BANK
-	LD	BC,BF_SYSSETBNK	; UNA FUNC = SET BANK
+	LD	BC,$01FB	; UNA FUNC = SET BANK
 	LD	DE,BID_USR	; TO USER BANK
 	CALL	$FFFD		; DO IT (RST 08 NOT YET INSTALLED)
 ;
@@ -305,9 +305,9 @@ GOCPM2:
 
 #IF (PLATFORM == PLT_UNA)
 	DI
-	POP	HL		; SAVE IMG LOCATION
+	PUSH	HL		; SAVE IMG LOCATION
 	; SET LOW MEM TO OS IMAGE BANK
-	LD	BC,BF_SYSSETBNK	; UNA FUNC = SET BANK
+	LD	BC,$01FB	; UNA FUNC = SET BANK
 	LD	DE,BID_OSIMG	; UBIOS_PAGE (SEE PAGES.INC)
 	CALL	$FFFD		; DO IT (RST 08 NOT YET INSTALLED)
 	; COPY MEMORY
@@ -316,7 +316,7 @@ GOCPM2:
 	LD	BC,CPM_SIZ
 	LDIR
 	; RESET LOW MEM TO USER BANK
-	LD	BC,BF_SYSSETBNK	; UNA FUNC = SET BANK
+	LD	BC,$01FB	; UNA FUNC = SET BANK
 	LD	DE,BID_USR	; TO USER BANK
 	CALL	$FFFD		; DO IT (RST 08 NOT YET INSTALLED)
 	;