cdrom.cpp: implemented Status(6)

BasiliskII/ChangeLog

@@ -22,6 +22,8 @@ V0.8 (snapshot) - <date>
 	- include/macos_util.h: defines FOURCC() macro to make MacOS-like
 	  four-character-codes, replaced most instances of multi-character
 	  constants in the sources by this macro to avoid compiler warnings
+	- cdrom.cpp: implemented Status(6) call (return format list)
+	  [Landon Fuller]
 	- Imported some changes from the Windows port, most notably FPU fixes
 	  and the 1Hz interrupt [Lauri Pesonen]
 	- Ported Lauri Pesonen's FPU core to GCC/i386 [Gwenole Beauchesne]

BasiliskII/src/cdrom.cpp

@@ -917,6 +917,16 @@ int16 CDROMStatus(uint32 pb, uint32 dce)
 
 	// Drive-specific codes
 	switch (code) {
+		case 6:			// Return format list
+			if (ReadMacInt16(pb + csParam) > 0) {
+				uint32 adr = ReadMacInt32(pb + csParam + 2);
+				WriteMacInt16(pb + csParam, 1);						// 1 format
+				WriteMacInt32(adr, SysGetFileSize(info->fh) / 512);	// Number of blocks
+				WriteMacInt32(adr + 4, 0);							// heads/track/sectors
+				return noErr;
+			} else
+				return paramErr;
+
 		case 8:			// DriveStatus
 			Mac2Mac_memcpy(pb + csParam, info->status, 22);
 			return noErr;