Small bug fix

- Build error in romldr.asm when using custom boot timeout.
- Handle CP/M 3 error mode variable properly.

Source/CPM3/diskio.z80

@@ -747,6 +747,9 @@ err_api:
 	ld	hl,str_err_api
 	jr	err
 err:
+	ld	a,(@ermde)		; get error mode
+	cp	0FFh			; FFh means suppress
+	jr	z,err_ret		; if so, go to err return
 	push	hl
 	call	?pderr
 	pop	hl
@@ -755,9 +758,12 @@ err:
 	call	?pmsg
 	call	cin$echo
 	cp	'Y'
-	ret	nz
-	ld	hl,(retry$adr)
-	jp	(hl)
+	jr	nz,err_ret		; return error to caller
+	ld	hl,(retry$adr)		; get retry address
+	jp	(hl)			; and go there
+err_ret:
+	ld	a,1			; signal I/O error
+	ret				; and done
 
 str_err_retry	db	", Retry (Y/N) ? ",0
 str_err_nodisk	db	", No disk",0

Source/HBIOS/romldr.asm

@@ -219,7 +219,7 @@ wtkey:
 	dec	bc			; decrement
 	ld	(acmd_to),bc		; resave it
 	ld	de,625			; 16us * 625 = 10ms
-	call	VDELAY			; 10ms delay
+	call	vdelay			; 10ms delay
 #endif
 ;
 	jr	wtkey			; loop

Source/ver.inc

@@ -2,4 +2,4 @@
 #DEFINE	RMN	1
 #DEFINE	RUP	1
 #DEFINE	RTP	0
-#DEFINE BIOSVER	"3.1.1-pre.0"
+#DEFINE BIOSVER	"3.1.1-pre.1"

Source/ver.lib

@@ -3,5 +3,5 @@ rmn	equ	1
 rup	equ	1
 rtp	equ	0
 biosver	macro
-	db	"3.1.1-pre.0"
+	db	"3.1.1-pre.1"
 	endm