Added IDE driver detect option

Doc/ChangeLog.txt

@@ -31,6 +31,7 @@ Version 3.6
 - M?R: Update Timer app with "zero" option
 - HJB: Update PPIDE driver, add support for MSX BEER IDE interface
 - HJB: Added loader for MSX
+- HJB: Added IDE driver master media detect option
 
 Version 3.5.1
 -------------

Source/HBIOS/cfg_MASTER.asm

@@ -338,6 +338,7 @@ RFENABLE	.EQU	FALSE		; RF: ENABLE RAM FLOPPY DRIVER
 RFCNT		.EQU	1		; RF: NUMBER OF RAM FLOPPY UNITS (1-4)
 ;
 IDEENABLE	.EQU	FALSE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
+IDEDETECTMEDIA	.EQU	FALSE		; IDE: PROBE FOR MEDIA IN MASTER UNIT, IF NOT DETECTED THEN DON'T ENABLE DRIVER
 IDETRACE	.EQU	1		; IDE: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 IDECNT		.EQU	1		; IDE: NUMBER OF IDE INTERFACES TO DETECT (1-3), 2 DRIVES EACH
 IDE0MODE	.EQU	IDEMODE_NONE	; IDE 0: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC|GIDE]

Source/HBIOS/cfg_MSX.asm

@@ -282,6 +282,7 @@ FD1TYPE		.SET	FDT_3HD		; FD 1: DRIVE TYPE: FDT_[3DD|3HD|5DD|5HD|8]
 RFENABLE	.SET	FALSE		; RF: ENABLE RAM FLOPPY DRIVER
 ;
 IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
+IDEDETECTMEDIA	.SET	TRUE		; IDE: PROBE FOR MEDIA IN MASTER UNIT, IF NOT DETECTED THEN DON'T ENABLE DRIVER
 IDETRACE	.SET	1		; IDE: TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 IDECNT		.SET	1		; IDE: NUMBER OF IDE INTERFACES TO DETECT (1-3), 2 DRIVES EACH
 IDE0MODE	.SET	IDEMODE_RC	; IDE 0: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC|GIDE]

Source/HBIOS/ide.asm

@@ -610,8 +610,15 @@ IDE_DETECT:
 ;#IF (IDEMODE == IDEMODE_DIO)
 ;#ENDIF
 ;
+#IF (IDEDETECTMEDIA)
+	; PROBE FOR MEDIA IN MASTER UNIT, IF NOT DETECTED THEN DON'T ENABLE DRIVER
+	LD	A,IDE_DRVMASTER
+	LD	(IDE_DRVHD),A
+	JP	IDE_PROBE
+#ELSE
 	XOR	A			; SIGNAL SUCCESS
 	RET				; AND RETURN
+#ENDIF
 ;
 ;=============================================================================
 ; DRIVER FUNCTION TABLE