CF Card compatibility improvement

Older CF Cards did not reset IDE registers to defaults values when reset.  Implemented a work around.

Source/HBIOS/ide.asm

@@ -922,36 +922,15 @@ IDE_RESET:
 	PRTS(" RESET$")
 #ENDIF
 ;
-;#IF (IDEMODE == IDEMODE_MK4)
-;
-	LD	A,(IY+IDE_MODE)		; GET MODE
-	CP	IDEMODE_MK4		; MK4?
-	JR	NZ,IDE_RESET1		; IF NOT, BYPASS
-;
-	; USE HARDWARE RESET LINE
-#IF (IDETRACE >= 3)
-	PRTS(" HARD$")
-#ENDIF
-	LD	A,$80			; HIGH BIT OF XAR IS IDE RESET
-	;OUT	(IDE_IO_XAR),A
-	CALL	IDE_OUT
-	.DB	IDE_REG_XAR
-	LD	DE,2			; DELAY 32US (SPEC IS >= 25US)
-	CALL	VDELAY
-	XOR	A			; CLEAR RESET BIT
-	;OUT	(IDE_IO_XAR),A
-	CALL	IDE_OUT
-	.DB	IDE_REG_XAR
-;
-IDE_RESET1:
-;
-;#ENDIF
-;
 ;#IF (IDEMODE == IDEMODE_RC)
 ;
-	LD	A,(IY+IDE_MODE)		; GET MODE
-	CP	IDEMODE_RC		; RC2014?
-	JR	NZ,IDE_RESET2		; IF NOT, BYPASS
+	; OLDER CF CARDS DO NOT SEEM TO SET THE 
+	; REGISTERS ON RESET, SO HERE WE FAKE THINGS BY
+	; SETTING THEM AS A RESET WOULD.  SO WE ALWAYS
+	; DO THE FAKE.
+	;LD	A,(IY+IDE_MODE)		; GET MODE
+	;CP	IDEMODE_RC		; RC2014?
+	;JR	NZ,IDE_RESET2		; IF NOT, BYPASS
 ;
 	; RC2014 CANNOT ADDRESS THE DEVICE CONTROL PORT AND
 	; HAS NO WAY TO PERFORM A HARD RESET FROM SOFTWARE,
@@ -979,6 +958,33 @@ IDE_RESET2:
 ;
 ;#ENDIF
 ;
+;#IF (IDEMODE == IDEMODE_MK4)
+;
+	LD	A,(IY+IDE_MODE)		; GET MODE
+	CP	IDEMODE_MK4		; MK4?
+	JR	NZ,IDE_RESET1		; IF NOT, BYPASS
+;
+	; USE HARDWARE RESET LINE
+#IF (IDETRACE >= 3)
+	PRTS(" HARD$")
+#ENDIF
+	LD	A,$80			; HIGH BIT OF XAR IS IDE RESET
+	;OUT	(IDE_IO_XAR),A
+	CALL	IDE_OUT
+	.DB	IDE_REG_XAR
+	LD	DE,20			; DELAY 32US (SPEC IS >= 25US)
+	CALL	VDELAY
+	XOR	A			; CLEAR RESET BIT
+	;OUT	(IDE_IO_XAR),A
+	CALL	IDE_OUT
+	.DB	IDE_REG_XAR
+	LD	DE,20
+	CALL	VDELAY
+;
+IDE_RESET1:
+;
+;#ENDIF
+;
 ;#IF ((IDEMODE != IDEMODE_MK4) & (IDEMODE != IDEMODE_RC))
 ;
 	LD	A,(IY+IDE_MODE)		; GET MODE

Source/HBIOS/ppide.asm

@@ -974,6 +974,27 @@ PPIDE_RESET:
 	CALL	PPIDE_PRTPREFIX
 	PRTS(" RESET$")
 #ENDIF
+;
+	; OLDER CF CARDS DO NOT SEEM TO SET THE 
+	; REGISTERS ON RESET, SO HERE WE FAKE THINGS BY
+	; SETTING THEM AS A RESET WOULD
+#IF (IDETRACE >= 3)
+	PRTS(" FAKE$")
+#ENDIF
+	XOR	A
+	;OUT	(IDE_IO_CYLLO),A
+	CALL	PPIDE_OUT
+	.DB	PPIDE_REG_CYLLO
+	;OUT	(IDE_IO_CYLHI),A
+	CALL	PPIDE_OUT
+	.DB	PPIDE_REG_CYLHI
+	INC	A
+	;OUT	(IDE_IO_COUNT),A
+	CALL	PPIDE_OUT
+	.DB	PPIDE_REG_COUNT
+	;OUT	(IDE_IO_SECT),A
+	CALL	PPIDE_OUT
+	.DB	PPIDE_REG_SECT
 ;
 	; SETUP PPI TO READ
 	LD	A,PPIDE_DIR_READ	; SET DATA BUS DIRECTION TO READ

Source/ver.inc

@@ -2,4 +2,4 @@
 #DEFINE	RMN	1
 #DEFINE	RUP	0
 #DEFINE	RTP	0
-#DEFINE BIOSVER	"3.1-pre.4"
+#DEFINE BIOSVER	"3.1-pre.5"

Source/ver.lib

@@ -3,5 +3,5 @@ rmn	equ	1
 rup	equ	0
 rtp	equ	0
 biosver	macro
-	db	"3.1-pre.4"
+	db	"3.1-pre.5"
 	endm