Fix fdc.c

always remember, odd address returns buserror (oxff), otherwise returns 0.
negativeExponent · Aug 15, 2024 · 58cba3c · 58cba3c
1 parent 8ed8eae
commit 58cba3c
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/x68k/fdc.c b/x68k/fdc.c
@@ -550,11 +550,12 @@ uint8_t FASTCALL FDC_Read(uint32_t adr)
 
 	case 5:
 		/* Drive Select Register */
+		ret = 0;
 		if ((fdc.ctrl & 1) && (FDD_IsReady(0)))
-			return 0x80;
+			ret |= 0x80;
 		if ((fdc.ctrl & 2) && (FDD_IsReady(1)))
-			return 0x80;
-		return 0;
+			ret |= 0x80;
+		return ret;
 	}
 
 	return 0xff;