NM-reg.txt revision 692f60a7 
1NM2160 Register GUESS  
2   --- Overlay and ZV capture ---
3
42002,2.3.
5
61. Overlay
7  GRB0  bit5    Format; 0:YUY2/1:RGB
8        bit1    1
9        bit0    Enable overlay ; 1:enable/0:disable
10  GRB1  bit7:4  X2[11:8]
11        bit3:0  X1[11:8]
12  GRB2          X1[7:0]
13  GRB3          X2[7:0]
14  GRB4  bit7:4  Y2[11:8]
15        bit3:0  Y1[11:8]
16  GRB5          Y1[7:0]
17  GRB6          Y2[7:0]
18  GRB7          VRAM offset[24:17]
19  GRB8          VRAM offset[16:9]
20  GRB9          VRAM offset[8:1]
21  GRBA          Width in byte[15:8]
22  GRBB          Width in byte[7:0]
23  GRBC          0x4f
24  GRBD          -
25  GRBE          -
26  GRBF  bit2    0:normal/1:mirror
27        bit1:0  b'10'
28  GRC0          X scale[15:8] ; x1.0 == 0x1000
29  GRC1          X scale[7:0]
30  GRC2          Y scale[15:8] ; x1.0 == 0x1000
31  GRC3          Y scale[7:0]
32  GRC4          brightness   ; -128 to +127
33  GRC5          Color key(R)
34  GRC6          Color key(G) / Color key(8bpp)
35  GRC7          Color key(B)
36
372. ZV capture
38  GR0A  bit5    Enable extended SR reg. ; 1:enable/0:disable
39        bit0    1
40
41  SR08  bit7:1  b'1010000'
42        bit0    Enable capture ; 1:enable/0:disable
43  SR09          0x11
44  SR0A          0x00
45  SR0B          -
46  SR0C          VRAM offset[8:1]
47  SR0D          VRAM offset[16:9]
48  SR0E          VRAM offset[24:17]
49  SR0F          -
50  SR10          -
51  SR11          -
52  SR12          -
53  SR13          -
54  SR14          Y1[7:0]
55  SR15          Y2[7:0]
56  SR16  bit7:4  Y2[11:4]
57        bit3:0  Y1[11:4]
58  SR17          X1[7:0]
59  SR18          X2[7:0]
60  SR19  bit7:4  X2[11:8]
61        bit3:0  X1[11:8]
62  SR1A          Width in byte[7:0]
63  SR1B          Width in byte[15:8]
64  SR1C          0xfb
65  SR1D          0x00
66  SR1E          0xe2
67  SR1F          0x02
68
69s.nomura@mba.nifty.ne.jp
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