1692f60a7SmrgNM2160 Register GUESS  
2692f60a7Smrg   --- Overlay and ZV capture ---
3692f60a7Smrg
4692f60a7Smrg2002,2.3.
5692f60a7Smrg
6692f60a7Smrg1. Overlay
7692f60a7Smrg  GRB0  bit5    Format; 0:YUY2/1:RGB
8692f60a7Smrg        bit1    1
9692f60a7Smrg        bit0    Enable overlay ; 1:enable/0:disable
10692f60a7Smrg  GRB1  bit7:4  X2[11:8]
11692f60a7Smrg        bit3:0  X1[11:8]
12692f60a7Smrg  GRB2          X1[7:0]
13692f60a7Smrg  GRB3          X2[7:0]
14692f60a7Smrg  GRB4  bit7:4  Y2[11:8]
15692f60a7Smrg        bit3:0  Y1[11:8]
16692f60a7Smrg  GRB5          Y1[7:0]
17692f60a7Smrg  GRB6          Y2[7:0]
18692f60a7Smrg  GRB7          VRAM offset[24:17]
19692f60a7Smrg  GRB8          VRAM offset[16:9]
20692f60a7Smrg  GRB9          VRAM offset[8:1]
21692f60a7Smrg  GRBA          Width in byte[15:8]
22692f60a7Smrg  GRBB          Width in byte[7:0]
23692f60a7Smrg  GRBC          0x4f
24692f60a7Smrg  GRBD          -
25692f60a7Smrg  GRBE          -
26692f60a7Smrg  GRBF  bit2    0:normal/1:mirror
27692f60a7Smrg        bit1:0  b'10'
28692f60a7Smrg  GRC0          X scale[15:8] ; x1.0 == 0x1000
29692f60a7Smrg  GRC1          X scale[7:0]
30692f60a7Smrg  GRC2          Y scale[15:8] ; x1.0 == 0x1000
31692f60a7Smrg  GRC3          Y scale[7:0]
32692f60a7Smrg  GRC4          brightness   ; -128 to +127
33692f60a7Smrg  GRC5          Color key(R)
34692f60a7Smrg  GRC6          Color key(G) / Color key(8bpp)
35692f60a7Smrg  GRC7          Color key(B)
36692f60a7Smrg
37692f60a7Smrg2. ZV capture
38692f60a7Smrg  GR0A  bit5    Enable extended SR reg. ; 1:enable/0:disable
39692f60a7Smrg        bit0    1
40692f60a7Smrg
41692f60a7Smrg  SR08  bit7:1  b'1010000'
42692f60a7Smrg        bit0    Enable capture ; 1:enable/0:disable
43692f60a7Smrg  SR09          0x11
44692f60a7Smrg  SR0A          0x00
45692f60a7Smrg  SR0B          -
46692f60a7Smrg  SR0C          VRAM offset[8:1]
47692f60a7Smrg  SR0D          VRAM offset[16:9]
48692f60a7Smrg  SR0E          VRAM offset[24:17]
49692f60a7Smrg  SR0F          -
50692f60a7Smrg  SR10          -
51692f60a7Smrg  SR11          -
52692f60a7Smrg  SR12          -
53692f60a7Smrg  SR13          -
54692f60a7Smrg  SR14          Y1[7:0]
55692f60a7Smrg  SR15          Y2[7:0]
56692f60a7Smrg  SR16  bit7:4  Y2[11:4]
57692f60a7Smrg        bit3:0  Y1[11:4]
58692f60a7Smrg  SR17          X1[7:0]
59692f60a7Smrg  SR18          X2[7:0]
60692f60a7Smrg  SR19  bit7:4  X2[11:8]
61692f60a7Smrg        bit3:0  X1[11:8]
62692f60a7Smrg  SR1A          Width in byte[7:0]
63692f60a7Smrg  SR1B          Width in byte[15:8]
64692f60a7Smrg  SR1C          0xfb
65692f60a7Smrg  SR1D          0x00
66692f60a7Smrg  SR1E          0xe2
67692f60a7Smrg  SR1F          0x02
68692f60a7Smrg
69692f60a7Smrgs.nomura@mba.nifty.ne.jp
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