662 static unsigned long scan_sync(unsigned long raw, unsigned long end)  in scan_sync()  argument
664 	ushort *ptr = (ushort *)raw, *endp = (ushort *)end;  in scan_sync()
688 static unsigned long decode (unsigned long *data, unsigned long *raw,  in decode()  argument
695 	odd = raw;  in decode()
699 	raw += len * 2;  in decode()
705 	return (ulong)raw;  in decode()
720 	unsigned long raw;  in amiga_read()  local
727 	raw = (long) raw_buf;  in amiga_read()
728 	end = raw + unit[drive].type->read_size;  in amiga_read()
731 		if (!(raw = scan_sync(raw, end))) {  in amiga_read()
736 		raw = decode ((ulong *)&hdr.magic, (ulong *)raw, 4);  in amiga_read()
737 		raw = decode ((ulong *)&hdr.labels, (ulong *)raw, 16);  in amiga_read()
738 		raw = decode ((ulong *)&hdr.hdrchk, (ulong *)raw, 4);  in amiga_read()
739 		raw = decode ((ulong *)&hdr.datachk, (ulong *)raw, 4);  in amiga_read()
762 		raw = decode ((ulong *)(unit[drive].trackbuf + hdr.sect*512),  in amiga_read()
763 			      (ulong *)raw, 512);  in amiga_read()
814 static unsigned long *putsec(int disk, unsigned long *raw, int cnt)  in putsec()  argument
820 	*raw = (raw[-1]&1) ? 0x2AAAAAAA : 0xAAAAAAAA;  in putsec()
821 	raw++;  in putsec()
822 	*raw++ = 0x44894489;  in putsec()
834 	encode_block(raw, (ulong *)&hdr.magic, 4);  in putsec()
835 	raw += 2;  in putsec()
836 	encode_block(raw, (ulong *)&hdr.labels, 16);  in putsec()
837 	raw += 8;  in putsec()
838 	encode_block(raw, (ulong *)&hdr.hdrchk, 4);  in putsec()
839 	raw += 2;  in putsec()
840 	encode_block(raw, (ulong *)&hdr.datachk, 4);  in putsec()
841 	raw += 2;  in putsec()
842 	encode_block(raw, (ulong *)(unit[disk].trackbuf+cnt*512), 512);  in putsec()
843 	raw += 256;  in putsec()
845 	return raw;  in putsec()
1015 static unsigned long dos_decode(unsigned char *data, unsigned short *raw, int len)  in dos_decode()  argument
1020 		*data++=dos_decode_byte(*raw++);  in dos_decode()
1021 	return ((ulong)raw);  in dos_decode()
1036 	unsigned long raw;  in dos_read()  local
1042 	raw = (long) raw_buf;  in dos_read()
1043 	end = raw + unit[drive].type->read_size;  in dos_read()
1047 			if (!(raw = scan_sync (raw, end))) {  in dos_read()
1054 			dbg(raw);  in dos_read()
1056 		} while (*((ushort *)raw)!=0x5554); /* loop usually only once done */  in dos_read()
1057 		raw+=2; /* skip over headermark */  in dos_read()
1058 		raw = dos_decode((unsigned char *)&hdr,(ushort *) raw,8);  in dos_read()
1093 		if (!(raw = scan_sync (raw, end))) {  in dos_read()
1100 		dbg(raw);  in dos_read()
1103 		if (*((ushort *)raw)!=0x5545) {  in dos_read()
1110 		raw+=2;  /* skip data mark (included in checksum) */  in dos_read()
1111 …raw = dos_decode((unsigned char *)(unit[drive].trackbuf + (hdr.sec - 1) * 512), (ushort *) raw, 51…  in dos_read()
1112 		raw = dos_decode((unsigned char  *)data_crc,(ushort *) raw,4);  in dos_read()
1154 static unsigned long *ms_putsec(int drive, unsigned long *raw, int cnt)  in ms_putsec()  argument
1165 		*raw++=0xaaaaaaaa;  in ms_putsec()
1167 	*raw++=0x44894489;  in ms_putsec()
1168 	*raw++=0x44895554;  in ms_putsec()
1177 	dos_encode_block((ushort *)raw,(unsigned char *) &hdr.track,28);  in ms_putsec()
1178 	raw+=14;  in ms_putsec()
1182 		*raw++=0xaaaaaaaa;  in ms_putsec()
1185 	*raw++=0x44894489;  in ms_putsec()
1186 	*raw++=0x44895545;  in ms_putsec()
1189 	dos_encode_block((ushort *)raw,  in ms_putsec()
1191 	raw+=256;  in ms_putsec()
1195 	dos_encode_block((ushort *) raw,(unsigned char *)crc,4);  in ms_putsec()
1196 	raw+=2;  in ms_putsec()
1200 		*raw++=0x92549254;  in ms_putsec()
1202 	return raw; /* wrote 652 MFM words */  in ms_putsec()
1208 	unsigned long raw = (unsigned long) raw_buf;  in dos_write()  local
1209 	unsigned long *ptr=(unsigned long *)raw;  in dos_write()