new ide detecting procedures

src/bios/rom/SETUP/AUTOIDE.asm

@@ -710,9 +710,8 @@ DETECTORS:
  		LD	BC,IDE.Read.Counter	; LD BC,IDE.Read.Counter
  		IN	A,(C)
  		CP	.test_counter
+ 		RET	Z
 		SCF
- 		RET	NZ
-		AND	A
 		RET
 ;-------;
 
@@ -725,11 +724,6 @@ DETECTORS:
 		DEC	B			; LD BC, IDE.Read.Status
 		LD	HL,PAUSES.HALT.SMALL
 		;
-
-		;!TEST DVD detect bug check
-		 PAUSE_DJNZ	0
-		;
-
 .loop:		IN	A,(C)
 		SCF
 		RET	Z