BYTE $0xB9; BYTE $0x82; BYTE $0x00; BYTE $0x33 // xgr   3,3
	BYTE $0xA7; BYTE $0x55; BYTE $0x00; BYTE $0x04 // bras  5,lbl1
	BYTE $0xA7; BYTE $0x39; BYTE $0x00; BYTE $0x01 // lghi  3,1

	// if r3 is not zero (failed) then branch to finish
	BYTE $0xB9; BYTE $0x02; BYTE $0x00; BYTE $0x33 // lbl1     ltgr  3,3
	BYTE $0xA7; BYTE $0x74; BYTE $0x00; BYTE $0x08 // brc   b'0111',lbl2

	0x47, 0x4c, 0x4f, 0x42, 0x41, 0x4c, 0x10, 0x00, 0x12, 0x0d, 0x0a, 0x09, 0x4e, 0x41, 0x4d, 0x45,
	0x53, 0x50, 0x41, 0x43, 0x45, 0x10, 0x01, 0x12, 0x15, 0x0a, 0x11, 0x57, 0x4f, 0x52, 0x4b, 0x4c,
	0x4f, 0x41, 0x44, 0x5f, 0x53, 0x45, 0x4c, 0x45, 0x43, 0x54, 0x4f, 0x52, 0x10, 0x02, 0x2a, 0x1d,
	0x0a, 0x06, 0x41, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x09, 0x0a, 0x05, 0x41, 0x4c, 0x4c, 0x4f,

	0x73, 0x74, 0x12, 0x18, 0x0a, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x18, 0x01, 0x20,
	0x01, 0x28, 0x09, 0x52, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x22, 0x28, 0x0a, 0x0c,
	0x45, 0x63, 0x68, 0x6f, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x18, 0x0a, 0x07,
	0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x6d,

	SIGSTOP   = syscall.Signal(0x13)
	SIGSYS    = syscall.Signal(0x1f)
	SIGTSTP   = syscall.Signal(0x14)
	SIGTTIN   = syscall.Signal(0x15)
	SIGTTOU   = syscall.Signal(0x16)
	SIGURG    = syscall.Signal(0x17)
	SIGUSR1   = syscall.Signal(0xa)
	SIGUSR2   = syscall.Signal(0xc)
	SIGVTALRM = syscall.Signal(0x1a)
	SIGWINCH  = syscall.Signal(0x1c)
	SIGXCPU   = syscall.Signal(0x18)
	SIGXFSZ   = syscall.Signal(0x19)
)

	SIGSTOP   = syscall.Signal(0x13)
	SIGSYS    = syscall.Signal(0x1f)
	SIGTSTP   = syscall.Signal(0x14)
	SIGTTIN   = syscall.Signal(0x15)
	SIGTTOU   = syscall.Signal(0x16)
	SIGURG    = syscall.Signal(0x17)
	SIGUSR1   = syscall.Signal(0xa)
	SIGUSR2   = syscall.Signal(0xc)
	SIGVTALRM = syscall.Signal(0x1a)
	SIGWINCH  = syscall.Signal(0x1c)
	SIGXCPU   = syscall.Signal(0x18)
	SIGXFSZ   = syscall.Signal(0x19)
)

	SIGSTOP   = syscall.Signal(0x13)
	SIGSYS    = syscall.Signal(0x1f)
	SIGTSTP   = syscall.Signal(0x14)
	SIGTTIN   = syscall.Signal(0x15)
	SIGTTOU   = syscall.Signal(0x16)
	SIGURG    = syscall.Signal(0x17)
	SIGUSR1   = syscall.Signal(0xa)
	SIGUSR2   = syscall.Signal(0xc)
	SIGVTALRM = syscall.Signal(0x1a)
	SIGWINCH  = syscall.Signal(0x1c)
	SIGXCPU   = syscall.Signal(0x18)
	SIGXFSZ   = syscall.Signal(0x19)
)

		{
			in:   FromInt32(23), // max positive integer representable in one byte
			want: []byte{0x17},
		},
		{
			in:   FromInt32(24), // min positive integer representable in two bytes
			want: []byte{0x18, 0x18},
		},
		{
			in:   FromInt32(math.MaxUint8), // max positive integer representable in two bytes
			want: []byte{0x18, 0xff},
		},
		{

				responses: [][][]byte{{{
					0x00, 0x00, 0x00, 0x00, 0x1f, 0x00, 0x01, 0x00,
					0x63, 0x74, 0x5f, 0x69, 0x6e, 0x76, 0x61, 0x6c,
					0x69, 0x64, 0x5f, 0x64, 0x72, 0x6f, 0x70, 0x70,
					0x65, 0x64, 0x5f, 0x70, 0x61, 0x63, 0x6b, 0x65,
					0x74, 0x73, 0x00, 0x00, 0x0c, 0x00, 0x02, 0x00,
					0x00, 0x02, 0x68, 0xf3, 0x16, 0x58, 0x0e, 0x63,
					0x0c, 0x00, 0x03, 0x00, 0x12, 0xc5, 0x37, 0xdf,
					0xe5, 0xa1, 0xcd, 0xd1, 0x08, 0x00, 0x04, 0x00,

	0x12, 0x1a, 0x0a, 0x08, 0x72, 0x65, 0x67, 0x69, 0x73, 0x74, 0x72, 0x79, 0x18, 0x02, 0x20, 0x01,
	0x28, 0x09, 0x52, 0x08, 0x72, 0x65, 0x67, 0x69, 0x73, 0x74, 0x72, 0x79, 0x12, 0x1c, 0x0a, 0x09,
	0x73, 0x68, 0x6f, 0x72, 0x74, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52,
	0x09, 0x73, 0x68, 0x6f, 0x72, 0x74, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x1c, 0x0a, 0x09, 0x6e, 0x61,

	0x75, 0x69, 0x64, 0x22, 0x0e, 0x0a, 0x0c, 0x53, 0x6e, 0x61, 0x70, 0x73, 0x68, 0x6f, 0x74, 0x53,
	0x65, 0x6e, 0x74, 0x22, 0x1b, 0x0a, 0x03, 0x41, 0x63, 0x6b, 0x12, 0x14, 0x0a, 0x05, 0x65, 0x72,
	0x72, 0x6f, 0x72, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x65, 0x72, 0x72, 0x6f, 0x72,
	0x22, 0x87, 0x02, 0x0a, 0x0f, 0x57, 0x6f, 0x72, 0x6b, 0x6c, 0x6f, 0x61, 0x64, 0x52, 0x65, 0x71,