MOVD	a4+32(FP), R3
	MOVD	a5+40(FP), R4
	MOVD	a6+48(FP), R5
	SVC
	CMN	$4095, R0
	BCC	ok
	MOVD	$-1, R4
	MOVD	R4, r1+56(FP)
	MOVD	ZR, r2+64(FP)
	NEG	R0, R0
	MOVD	R0, errno+72(FP)
	RET
ok:
	MOVD	R0, r1+56(FP)
	MOVD	R1, r2+64(FP)
	MOVD	ZR, errno+72(FP)

{"Action":"output","Test":"TestAscii","Output":"    i can eat glass, and it doesn't hurt me. i can eat glass, and it doesn't hurt me.\n"}
{"Action":"output","Test":"TestAscii","Output":"    V PNA RNG TYNFF, NAQ VG QBRFA'G UHEG ZR. V PNA RNG TYNFF, NAQ VG QBRFA'G UHEG ZR.\n"}
{"Action":"pass","Test":"TestAscii"}
{"Action":"output","Output":"PASS\n"}

		{"\xf2H\xcd", "He"},
		{"\xf2H͙0a\u0084\t", "Hel\x90\x90\x90\x90\x90"},
		{"\xf2H͙0a\u0084\t\x00", "Hel\x90\x90\x90\x90\x90"},
	}

	for i, v := range vectors {
		r := strings.NewReader(v.input)
		zr := NewReader(r)
		b, err := io.ReadAll(zr)
		if err != io.ErrUnexpectedEOF {
			t.Errorf("test %d, error mismatch: got %v, want io.ErrUnexpectedEOF", i, err)
		}
		if string(b) != v.output {

	fmt.Fprintln(w, "\tRET")
}

func zeroARM64(w io.Writer) {
	// ZR: always zero
	// R20: ptr to memory to be zeroed
	// On return, R20 points to the last zeroed dword.
	fmt.Fprintln(w, "TEXT runtime·duffzero<ABIInternal>(SB), NOSPLIT|NOFRAME, $0-0")
	for i := 0; i < 63; i++ {
		fmt.Fprintln(w, "\tSTP.P\t(ZR, ZR), 16(R20)")
	}
	fmt.Fprintln(w, "\tSTP\t(ZR, ZR), (R20)")
	fmt.Fprintln(w, "\tRET")
}

			f, err := os.Open(file)
			if err != nil {
				return err
			}
			if st, err := f.Stat(); err == nil {
				sz = st.Size()
			}
			defer f.Close()
			zr, err := zip.NewReader(f, sz)
			if err != nil {
				return err
			}
			for _, file := range zr.File {
				if !file.FileInfo().IsDir() && strings.HasSuffix(file.Name, ".healing.bin") {
					r, err := file.Open()
					if err != nil {
						return err
					}

	return r
}

// ColorModel implements the [Image] interface.
func (r Rectangle) ColorModel() color.Model {
	return color.Alpha16Model
}

// ZR is the zero [Rectangle].
//
// Deprecated: Use a literal [image.Rectangle] instead.
var ZR Rectangle

// Rect is shorthand for [Rectangle]{Pt(x0, y0), [Pt](x1, y1)}. The returned
// rectangle has minimum and maximum coordinates swapped if necessary so that

	MOVD	trap+0(FP), R8	// syscall entry
	SVC
	CMN	$4095, R0
	BCC	ok
	MOVD	$-1, R4
	MOVD	R4, r1+32(FP)	// r1
	NEG	R0, R0
	MOVD	R0, err+40(FP)	// errno
	RET
ok:
	MOVD	R0, r1+32(FP)	// r1
	MOVD	ZR, err+40(FP)	// errno
	RET

// func rawSyscallNoError(trap uintptr, a1, a2, a3 uintptr) (r1, r2 uintptr);
TEXT ·rawSyscallNoError(SB),NOSPLIT,$0-48
	MOVD	a1+8(FP), R0
	MOVD	a2+16(FP), R1
	MOVD	a3+24(FP), R2

func isGZ(b []byte) bool {
	return len(b) > 2 && bytes.Equal(b[:2], gzMagicNumber)
}

func getFileFromGZ(b []byte) []byte {
	buf := bytes.NewBuffer(b)

	zr, err := gzip.NewReader(buf)
	if err != nil {
		return nil
	}

	ret, err := io.ReadAll(zr)
	if err != nil {
		return nil
	}
	return ret
}

// Just do the best effort.
// If an error is encountered, just return the original bytes.

}

func rconv(r int) string {
	ext := (r >> 5) & 7
	if r == REGG {
		return "g"
	}
	switch {
	case REG_R0 <= r && r <= REG_R30:
		return fmt.Sprintf("R%d", r-REG_R0)
	case r == REG_R31:
		return "ZR"
	case REG_F0 <= r && r <= REG_F31:
		return fmt.Sprintf("F%d", r-REG_F0)
	case REG_V0 <= r && r <= REG_V31:
		return fmt.Sprintf("V%d", r-REG_V0)
	case r == REGSP:
		return "RSP"

		case "arm64":
			if parts[3] == "MOVWU" {
				// The unpreemptible region starts after the
				// load of runtime.writeBarrier.
				startedWB = true
			}
			if parts[3] == "MOVD" && parts[4] == "ZR," {
				// The unpreemptible region ends after the
				// write of nil.
				doneWB = true
			}
		case "amd64":
			if parts[3] == "CMPL" {
				startedWB = true
			}