comment	0000 Load two copies of the 32K ROM
comment 0000 Check this was not a 64K ROM!

file U8rev2-0.bin 0000
file U8rev2-0.bin 8000



comment	0000 RAM at 0000-27FF (8k)

label	0000	RAM_start

unused 0000-27ff

comment 2800 I/O space begins at 2800

unused 2800-283F

label	2800	Parallel_IO_chip_1
label	2810	Programmable_Timer_Module_chip
label	2818	GPIB_chip
label	2820	Parallel_IO_chip_2


label	280E	Parallel_IO_chip_1_offset_E
label	281C	GPIB_chip_offset_4
label	2822	Parallel_IO_chip_2_offset_2

; labels immediately after RTS look like legitimate routines;

label	33D5	_33D5
label	34A2	_34A2
label	34EE	alias_clz_rts_34EE
label	3896	_3896   
label	38A2	_38A2
label	399B	_399B




label	33D5	alias_33D5


label	32ed	sub_32ed
label	328f	sub_328f
label	3439	sub_3439
label	34A2	_34A2
label	34EE	branch_34EE
label	35d1	sub_35d1
label	3658	sub_3658
label	384e	sub_384e
label	3896	branch_3896   
label	38A2	branch_38A2
label	38f5	sub_38f5
label	399B	branch_399B
label	3bb9	sub_3bb9
label	3C3e	sub_3C3e
label	3C57	sub_3C57
label	3C60	sub_3C60
label	3e99	sub_3e99
label	3ec1	sub_3ec1
label	3f2d	sub_3f2d
label	3f48	sub_3f48


label	8136	branch_8136
label	8137	branch_8137
label	817C	_817C
label	8188	_8188
label	8198	branch_8198
label	81A7	_81A7
label	81B1	branch_81B1
label	82FC	_82FC
label	832F	_832F
label	833F	_833F
label	834F	_834F
label	835F	_835F
label	A4A4	branch_A4A4
label	A4B3	branch_A4B3
label	A5F3	_A5F3
label	A5FC	sub_A5FC
label	A626	sub_A626
label	A654	sub_A654
label	A6DC	branch_A6DC
label	A6E3	branch_A6E3
label	A6FD	branch_A6FD
label	A713	branch_A713
label	A736	branch_A736
label	A73D	branch_A73D
label	A757	branch_A757
label	A76C	branch_A76C
label	A7B5	branch_A7B5
label	A7E9	branch_A7E9
label	A80C	branch_A80C
label	A8C7	branch_A8C7
label	A934	sub_A934
label	AB8A	sub_AB8A
label	AC74	sub_AC74
label	AE5A	sub_AE5A
label	B012	sub_B012
label	B3D5	sub_B3D5
label	B4A2	_B4A2
label	B4AA	sub_B4AA
label	B4EE	abs_B4EE
label	B4C2	clz_rts_B4C2


label	B4F1	sub_B4F1
label	B689	sub_B689
label	B865	sub_B865
label	B896	branch_B896
label	B8A2	branch_B8A2
label	B99B	branch_B99B
label	B9E4	sub_B9E4

label	BA2A	sub_BA2A
label	BA3B	sub_BA3B
label	BA62	sub_BA62
label	BDE2	sub_BDE2
label	BF26	sub_BF26
label	BF2F	branch_BF2F
label	BFF4	sub_BFF4
label	C020	abs_C020
label	C051	branch_C051
label	C177	sub_C177
label	C181	sub_C181
label	C1E6	branch_C1E6
label	C324	branch_C324

label	C3E7	do_hex_byte
label	C3F1	do_hex_nibble
label	C3F3	add_ASCII_zero

label	C3F8	sub_C3F8
label	C403	branch_C403
label	C7B6	sub_C7B6
label	C7C0	sub_C7C0
label	C7C8	sub_C7C8
label	C7D0	sub_C7D0
label	CAB0	branch_CAB0

label	CC6D	branch_CC6D
label	CC84	branch_CC84
label	CCB6	branch_CCB6

label	CCF2	is_it_0A_hex
label	CCF7	branch_CCF7

label	CDE5	sub_CDE5
label	CE23	branch_CE23
label	CE2D	sub_CE2D
label	CE3A	branch_CE3A
label	CE4D	branch_CE4D
label	CE70	branch_CE70
label	CE7C	sub_CE7C
label	CE96	sub_CE96
label	CEB1	sub_CEB1

label	CECA	data_CECA

label	D077	sub_D077
label	D09E	sub_D09E
label	D0BC	sub_D0BC
label	D24B	sub_D24B
label	D2AC	sub_D2AC
label	D2E4	sub_D2E4
label	D312	sub_D312
label	D333	sub_D333

label	D368	data_D368

label	D3A8	sub_D3A8
label	D3C1	sub_D3C1
label	D445	sub_D445
label	D483	sub_D483
label	D498	abs_D498
label	D50B	sub_D50B

label	D70F	data_D70F

label	D71B	sub_D71B
label	D7A8	branch_D7A8

label	D82F	data_D82F

label	DC59	sub_DC59
label	DC67	sub_DC67

label	DD95	msg_sign_on


label	DDE2	sub_DDE2
label	DDEA	sub_DDEA
label	DE33	sub_DE33
label	DE3F	sub_DE3F
label	DE6E	sub_DE6E
label	DE97	sub_DE97

label	E044	sub_E044
label	E098	sub_E098
label	E0D2	sub_E0D2
label	E0E5	sub_E0E5
label	E116	sub_E116
label	E168	sub_E168






comment 2840 I/O space ends

unused	2840-2FFF

comment	3000 ROM starts at 3000

; label	3000	ROM_start

hex 3000-283F

comment	0000 phase 8000-afff	8000
comment	0000 phase b000-FBFF	3000

comment	81C6	Looks like a word table?

label	81C6	table_8C16
word	81C6-81Ee	table_8C16

label	8205	skip_8205
label	8228	skip_8228

label	8250	routine_8250

hex A9A1-A9CE

comment 3A8F ignore lower copy
unused	3A8F-3d16

data BA8F-bb12
data bb13-bd16

label	BB13	msg_CANNOT_ZERO_a
label	BB1F	msg_CANNOT_ZERO_b
label	BB2B	msg_NO_REF_a
label	BB37	msg_NO_REF_b
label	BB43	msg_CAL_ERROR_a
label	BB4F	msg_CAL_ERROR_b
label	BB5B	msg_INPUT_OVL_a
label	BB67	msg_INPUT_OVL_b
label	BB73	msg_INPUT_LO
label	BB7F	msg_PLEASE_ZERO_a
label	BB8B	msg_PLEASE_ZERO_b
label	BB97	msg_UP_RANGE_a
label	BBA3	msg_UP_RANGE_b
label	BBAF	msg_OVER_LIMIT
label	BBBB	msg_OVER_FLOW
label	BBC7	msg_UNDER_LIMIT
label	BBD3	msg_UNDER_FLOW
label	BBDF	msg_CALC_OF
label	BBEB	msg_CALC_UF
label	BBF7	msg_minus_999__dBm
label	BC03	msg_REL_ERROR
label	BC0F	msg_NO_SENSOR
label	BC1B	msg_NO_CH_B
label	BC27	msg_2_SENSOR_ERR_a
label	BC33	msg_2_SENSOR_ERR_b
label	BC3F	msg_CF_ERROR
label	BC4B	msg_OS_ERROR
label	BC57	msg_REG_ERROR
label	BC63	msg_FL_ERROR
label	BC6F	msg_R0_ERROR
label	BC7B	msg_ST_ERRO
label	BC88	msg_INPUT_LO
label	BC93	msg_RCF_ERR
label	BC9F	msg_RECALL_FAIL
label	BCAB	msg_AD_ERROR
label	BCB7	msg_NO_TBL_DATA
label	BCC3	msg_DTCY_ERROR
label	BCCF	msg_BCCF
label	BCD0	msg_FREQ_ERROR
label	BCDB	msg_LIMITS_ERROR
label	BCE8	msg_RES_ERROR
label	BCF3	msg_SENSOR_ERROR
label	BCFF	msg_TBL_RST_ERR
label	BD0E	msg_ERROR


label	D830	label_D830
label	D838	label_D838
label	D840	label_D840
label	D848	label_D848
label	D850	label_D850
label	D858	label_D858
label	D860	label_D860
label	D868	label_D868
label	D870	label_D870
label	D878	label_D878
label	D880	label_D880
label	D888	label_D888
label	D890	label_D890
label	D898	label_D898
label	D8A0	label_D8A0
label	D8A8	label_D8A8
label	D8B0	label_D8B0
label	D8B8	label_D8B8
label	D8C0	label_D8C0
label	D8C8	label_D8C8
label	D8D0	label_D8D0
label	D8D8	label_D8D8
label	D8E0	label_D8E0
label	D8E8	label_D8E8
label	D8F0	label_D8F0
label	D8F8	label_D8F8
label	D900	label_D900
label	D908	label_D908
label	D910	label_D910
label	D918	label_D918
label	D920	label_D920
label	D928	label_D928
label	D930	label_D930
label	D938	label_D938
label	D940	label_D940
label	D948	label_D948

label	D950	table_D950

dvector D950-D95B


label	D95C	table_D95C
label	D95D	table_D95D

label	D95E	label_D95E
label	D966	label_D966
label	D96E	label_D96E
label	D976	label_D976
label	D97E	label_D97E
label	D986	label_D986
label	D98E	label_D98E
label	D996	label_D996

label	D99E	table_D99E
label	D99F	label_D99F
label	D9A7	label_D9A7
label	D9AF	label_D9AF
label	D9B7	label_D9B7
label	D9BF	label_D9BF
label	D9C7	label_D9C7


label	D9CF	table_D9CF
label	D9D0	label_D9D0
label	D9D8	label_D9D8
label	D9e0	label_D9e0
label	D9e8	label_D9e8

label	D9F0	table_D9F0
label	D9F1	label_D9F1
label	D9F9	label_D9F9

label	DA01	table_DA01
label	DA02	label_DA02
label	DA0A	label_DA0A


label	DEDD	0123456789ABCDEF

label	D12B   msg_E65_U24_FAIL
label	D13D   msg_E67_U24_FAIL
label	D14F   msg_E68__U4_FAIL
label	D161   msg_E69_U18_FAIL
label	D173   msg_E17_U25_FAIL
label	D185   msg_E75_DIG_FAIL

label	3287	print_string_at_X

data c15c-c167

word C497-c4ac
data c4AD-c4D2


word C4d3-c506
data c507-C6FE


data D123-d185

comment D185 Table of ASCII constants

data D185-d190



data d830-da11


data dd95-ddaf


data dedd-deec


comment 6235 ignore alias of high rom areas
unused 6235-7fff



unused e235-fbff
label	fc00	start_of_last_1k
unused fe06-ffe9

coment	844F	There seems to be a great deal of regularity in the bytes that follow.
coment	844F	they do not seem to disassemble into plausible looking 6809 code.
coment	844F	Either data, or a FORTH program?


word	844F-8485	words_844F
word	8486-8495	words_8486
word	844F-A456	words_844F

comment	a457	Seems back to plasible code here:

label	000f	abs_RAM_000f
label	0018	abs_RAM_0018
label	0061	abs_RAM_0061
label	0077	abs_RAM_0077
label	0089	abs_RAM_0089
label	0096	abs_RAM_0096
label	00b5	abs_RAM_00b5
label	00c5	abs_RAM_00c5
label	00cd	abs_RAM_00cd
label	00e6	abs_RAM_00e6
label	00f4	abs_RAM_00f4
label	00f3	abs_RAM_00f3
label	02cd	abs_RAM_02cd
label	0fa3	abs_RAM_0fa3

label	143c	abs_RAM_143c
label	1a02	abs_RAM_1a02

label	2417	abs_2417

label	3026	abs_3026
label	3ef0	abs_3ef0
label	3f22	abs_3f22
label	3f29	abs_3f29
label	3f6c	abs_3f6c
label	3135	abs_3135

label	4866	abs_4866

label	554f	abs_554f
label	5f97	abs_5f97

label	76c5	abs_76c5
label	7c2f	abs_7c2f
label	7d3f	abs_7d3f


label	8df2	abs_8df2

label	A8E4	sub_A8E4
label	B9F9	sub_B9F9



label	a457	abs_a457
label	a469	branch_a469
label	a472	branch_a472
label	a496	branch_a496
label	a53f	abs_a53f
label	a51e	abs_a51e
label	a5f0	abs_a5f0

label	A682	msg_C_Z_DONE
data	A682-A68D


label	ab4d	loop_ab4d
label	ab61	abs_ab61
label	aa31	abs_aa31
label	ae55	abs_ae55

label	b385	abs_b385
label	b855	abs_b855
label	bc48	abs_bc48
label	bfeb	abs_bfeb
label	bfed	abs_bfed

label	c1f6	abs_c1f6
label	c21b	abs_c21b
label	cb61	abs_cb61

label	CF1E	abs_CF1E

label	d246	abs_d246
label	d338	abs_d338
label	d36d	abs_d36d
label	d3d5	abs_d3d5

label	d369	abs_d369
label	d6a6	abs_d6a6
label	d7a5	abs_d7a5
label	dc0f	abs_dc0f
label	d371	abs_d371





label	d4ff	abs_d4ff
label	d571	abs_d571
label	d6d0	abs_d6d0
label	d70e	abs_d70e

label	e157	abs_e157
label	e1fb	abs_e1fb
label	ea99	abs_ea99


label	FC15	abs_FC15
label	FC3A 	abs_FC3A 
label	FC58	abs_FC58
label	FC78	abs_FC78
label	FCA9	abs_FCA9
label	FCCC	abs_FCCC
label	FCf4	abs_FCf4
label	FD37	abs_FD37
label	FD6C	abs_FD6C
label	FD6f	abs_FD6f
label	FD1D	abs_FD1D
label	FDCD	abs_FDCD
label	FDED	abs_FDED


label	0003	RAM_Z0003
label	003E	RAM_Z003E
label	003F	RAM_Z003F
label	0049	RAM_Z0049
label	0051	RAM_Z0051
label	0094	RAM_Z0094
label	00B4	RAM_Z00B4
label	00B8	RAM_Z00B8
label	00CC	RAM_Z00CC
label	00DE	RAM_Z00DE
		
label	3BDD	low_ROM_Z3BDD


label	7CDC	low_ROM_Z7CDC
label	7DAC	low_ROM_Z7DAC
label	7DEB	low_ROM_Z7DEB
label	7E42	low_ROM_Z7E42
label	7EEC	low_ROM_Z7EEC
label	7FAE	low_ROM_Z7FAE
label	7FC3	low_ROM_Z7FC3