dreamcast/regs/maple_bits.csv

1	register_name	enum_name	bits	bit_name	value	mask	description
2	MDSTAR		27-0	table_address		0xfffffe0
3
4	MDTSEL	trigger_select	0	software_initiation	0
5	MDTSEL	trigger_select	0	v_blank_initiation	1
6
7	MDEN	dma_enable	0	abort	0
8	MDEN	dma_enable	0	enable	1
9	MDEN	dma_enable	0	status
10
11	MDST	start_status	0	status
12	MDST	start_status	0	start	1
13
14	MSYS		31-16	time_out_counter		0xffff
15	MSYS		12	single_hard_trigger	1
16	MSYS	sending_rate	9-8	_2M	0
17	MSYS	sending_rate	9-8	_1M	1
18	MSYS		3-0	delay_time		0xf
19
20	MST		31	move_status
21	MST		26-24	internal_frame_monitor
22	MST		21-16	internal_state_monitor
23	MST		7-0	line_monitor
24
25	MSHTCL		0	hard_dma_clear	1
26
27	MDAPRO		31-16	security_code	0x6155
28	MDAPRO		14-8	top_address		0x7f
29	MDAPRO		6-0	bottom_address		0x7f
30
31	MMSEL	msb_selection	0	bit7	0
32	MMSEL	msb_selection	0	bit31	1
33
34	MTXDAD		28-0	txd_address_counter
35
36	MRXDAD		28-0	rxd_address_counter
37
38	MRXDBD		28-0	rxd_base_address