func zeroextendAndMask8to64(a int8, b int16) (x, y uint64) {
	// ppc64x: -"MOVB\t", -"ANDCC", "MOVBZ"
	x = uint64(a) & 0xFF
	// ppc64x: -"MOVH\t", -"ANDCC", "MOVHZ"
	y = uint64(b) & 0xFFFF
	return
}

// Verify rotate and mask instructions, and further simplified instructions for small types

    private int pad2 = 0;
    private boolean hasMore = true;
    private boolean isPrimary = true;
    private int bufParameterOffset;
    private int bufDataOffset;

    static final int TRANSACTION_BUF_SIZE = 0xFFFF;

    /**
     * 
     */
    public static final byte TRANS2_FIND_FIRST2 = (byte) 0x01;
    /**
     * 
     */
    public static final byte TRANS2_FIND_NEXT2 = (byte) 0x02;
    /**
     * 

        // CAP_LARGE_WRITE
        if ( th.hasCapability(SmbConstants.CAP_LARGE_WRITEX) && !th.areSignaturesActive() ) {
            this.writeSizeFile = Math.min(th.getConfig().getSendBufferSize() - 70, 0xFFFF - 70);
        }
        else {
            log.debug("No support or SMB signing is enabled, not enabling large writes");
            this.writeSizeFile = this.writeSize;
        }

		default:
			return C_GOK
		}

		if c.instoffset >= 0 {
			if c.instoffset == 0 {
				return C_ZCON
			}
			if c.instoffset <= 0x7fff {
				return C_SCON
			}
			if c.instoffset <= 0xffff {
				return C_ANDCON
			}
			if c.instoffset&0xffff == 0 && isuint32(uint64(c.instoffset)) { /* && ((instoffset & (1<<31)) == 0) */
				return C_UCON
			}

        dst[ dstIndex++ ] = (byte) ( ( this.wordCount / 2 ) & 0xFF );
        dstIndex += this.wordCount;
        this.wordCount /= 2;
        this.byteCount = writeBytesWireFormat(dst, dstIndex + 2);
        dst[ dstIndex++ ] = (byte) ( this.byteCount & 0xFF );
        dst[ dstIndex++ ] = (byte) ( ( this.byteCount >> 8 ) & 0xFF );
        dstIndex += this.byteCount;

        this.length = dstIndex - start;

(SGTconst [c] (MOVBUreg _)) && 0xff < c  => (MOVWconst [1])
(SGTconst [c] (MOVBUreg _)) && c < 0     => (MOVWconst [0])
(SGTUconst [c] (MOVBUreg _)) && 0xff < uint32(c) => (MOVWconst [1])
(SGTconst [c] (MOVHreg _)) && 0x7fff < c => (MOVWconst [1])
(SGTconst [c] (MOVHreg _)) && c <= -0x8000 => (MOVWconst [0])
(SGTconst [c] (MOVHUreg _)) && 0xffff < c => (MOVWconst [1])

	LSB Order = iota
	// MSB means Most Significant Bits first, as used in the TIFF and PDF
	// file formats.
	MSB
)

const (
	maxWidth           = 12
	decoderInvalidCode = 0xffff
	flushBuffer        = 1 << maxWidth
)

// Reader is an io.Reader which can be used to read compressed data in the
// LZW format.
type Reader struct {
	r        io.ByteReader
	bits     uint32
	nBits    uint

//sys	CreateSymbolicLink(symlinkfilename *uint16, targetfilename *uint16, flags uint32) (err error) [failretval&0xff==0] = CreateSymbolicLinkW
//sys	CreateHardLink(filename *uint16, existingfilename *uint16, reserved uintptr) (err error) [failretval&0xff==0] = CreateHardLinkW

		if int64(length) > 0xfffffffe {
			b.err = errors.New("pending ASN.1 child too long")
			return
		} else if length > 0xffffff {
			lenLen = 5
			lenByte = 0x80 | 4
		} else if length > 0xffff {
			lenLen = 4
			lenByte = 0x80 | 3
		} else if length > 0xff {
			lenLen = 3
			lenByte = 0x80 | 2
		} else if length > 0x7f {
			lenLen = 2
			lenByte = 0x80 | 1
		} else {
			lenLen = 1

	// set up data_desc
	LEAL	16(SP), AX	// struct data_desc
	MOVL	$0, 0(AX)
	MOVL	$0, 4(AX)

	MOVW	BX, 2(AX)
	SHRL	$16, BX
	MOVB	BX, 4(AX)
	SHRL	$8, BX
	MOVB	BX, 7(AX)

	MOVW	$0xffff, 0(AX)
	MOVB	$0xCF, 6(AX)	// 32-bit operand, 4k limit unit, 4 more bits of limit

	MOVB	$0xF2, 5(AX)	// r/w data descriptor, dpl=3, present

	// call i386_set_ldt(entry, desc, 1)