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14<h1 align="left">G2_SetBG2Control256Bmp <img src="../../image/NTR.gif"align="middle"><img src="../../image/TWL.gif" align="middle"></H1>
15<H2>Syntax</H2>
16
17<dl>
18  <dd>
19<CODE>#include &lt;nitro/gx/gx_bgcnt.h&gt;</CODE><BR>
20  <PRE><CODE>void G2_SetBG2Control256Bmp(
21    GXBGScrSize256Bmp screenSize,
22    GXBGAreaOver areaOver,
23    GXBGBmpScrBase screenBase
24);</CODE></PRE>
25  </dd>
26</dl><h2>Arguments</h2>
27<TABLE border="1" width="100%">
28  <TBODY>
29    <TR>
30      <TD width="300"><em><strong><font face="Courier New">screenSize</font></strong></em></TD>
31      <TD width="700">Screen Size</TD>
32    </TR>
33    <TR>
34      <TD><em><strong><font face="Courier New">areaOver</font></strong></em></TD>
35      <TD>Option for out-of-area processing</TD>
36    </TR>
37    <TR>
38      <TD><em><strong><font face="Courier New">screenBase</font></strong></em></TD>
39      <TD>Screen base block</TD>
40    </TR>
41  </TBODY>
42</TABLE>
43<h2>Return Values</h2>
44<p>None.</p>
45<H2>Description</H2>
46<P>This function sets BG2 (for 256-color bitmap BG).<BR>
47</P>
48<TABLE border="1">
49  <TBODY>
50    <TR>
51      <TD width="30%"><CODE>GX_BG_SCRSIZE_256BMP_128x128</CODE></TD>
52      <TD width="70%">Sets screen size to 128x128 pixels (16 kilobytes).</TD>
53    </TR>
54    <TR>
55      <TD width="30%"><CODE>GX_BG_SCRSIZE_256BMP_256x256</CODE></TD>
56      <TD width="70%">Sets screen size to 256x256 pixels (64 kilobytes).</TD>
57    </TR>
58    <TR>
59      <TD width="30%"><CODE>GX_BG_SCRSIZE_256BMP_512x256</CODE></TD>
60      <TD width="70%">Sets screen size to 512x256 pixels (128 kilobytes).</TD>
61    </TR>
62    <TR>
63      <TD width="30%"><CODE>GX_BG_SCRSIZE_256BMP_512x512</CODE></TD>
64      <TD width="70%">SSets screen size to 512x512 pixels (256 kilobytes).</TD>
65    </TR>
66  </TBODY>
67</TABLE>
68<P></P>
69<TABLE border="1">
70  <TBODY>
71    <TR>
72      <TD width="30%"><CODE>GX_BG_AREAOVER_XLU</CODE></TD>
73      <TD width="70%">Transparent display of the out-of-area region</TD>
74    </TR>
75    <TR>
76      <TD width="30%"><CODE>GX_BG_AREAOVER_REPEAT</CODE></TD>
77      <TD width="70%">Wraparound display of the out-of-area region</TD>
78    </TR>
79  </TBODY>
80</TABLE>
81<P></P>
82<TABLE border="1">
83  <TBODY>
84    <TR>
85      <TD width="30%"><CODE>GX_BG_BMPSCRBASE_0xnnnnn</CODE></TD>
86      <TD width="70%">Specifies BG2 screen base block. Refer to the <CODE><A href="../gx/GX_SetBGScrOffset.html">GX_SetBGScrOffset</A></CODE> function.</TD>
87    </TR>
88  </TBODY>
89</TABLE>
90<P>The following describes the enumerated type definitions of the arguments.</P>
91<PRE><CODE>typedef enum
92{
93    GX_BG_SCRSIZE_256BMP_128x128 = 0,
94    GX_BG_SCRSIZE_256BMP_256x256 = 1,
95    GX_BG_SCRSIZE_256BMP_512x256 = 2,
96    GX_BG_SCRSIZE_256BMP_512x512 = 3
97}
98GXBGScrSize256Bmp;
99
100typedef enum
101{
102    GX_BG_AREAOVER_XLU = 0,
103    GX_BG_AREAOVER_REPEAT = 1
104}
105GXBGAreaOver;
106
107typedef enum
108{
109    GX_BG_BMPSCRBASE_0x00000 = 0,
110    GX_BG_BMPSCRBASE_0x04000 = 1,
111    GX_BG_BMPSCRBASE_0x08000 = 2,
112    GX_BG_BMPSCRBASE_0x0c000 = 3,
113    GX_BG_BMPSCRBASE_0x10000 = 4,
114    GX_BG_BMPSCRBASE_0x14000 = 5,
115    GX_BG_BMPSCRBASE_0x18000 = 6,
116    GX_BG_BMPSCRBASE_0x1c000 = 7,
117    GX_BG_BMPSCRBASE_0x20000 = 8,
118    GX_BG_BMPSCRBASE_0x24000 = 9,
119    GX_BG_BMPSCRBASE_0x28000 = 10,
120    GX_BG_BMPSCRBASE_0x2c000 = 11,
121    GX_BG_BMPSCRBASE_0x30000 = 12,
122    GX_BG_BMPSCRBASE_0x34000 = 13,
123    GX_BG_BMPSCRBASE_0x38000 = 14,
124    GX_BG_BMPSCRBASE_0x3c000 = 15,
125    GX_BG_BMPSCRBASE_0x40000 = 16,
126    GX_BG_BMPSCRBASE_0x44000 = 17,
127    GX_BG_BMPSCRBASE_0x48000 = 18,
128    GX_BG_BMPSCRBASE_0x4c000 = 19,
129    GX_BG_BMPSCRBASE_0x50000 = 20,
130    GX_BG_BMPSCRBASE_0x54000 = 21,
131    GX_BG_BMPSCRBASE_0x58000 = 22,
132    GX_BG_BMPSCRBASE_0x5c000 = 23,
133    GX_BG_BMPSCRBASE_0x60000 = 24,
134    GX_BG_BMPSCRBASE_0x64000 = 25,
135    GX_BG_BMPSCRBASE_0x68000 = 26,
136    GX_BG_BMPSCRBASE_0x6c000 = 27,
137    GX_BG_BMPSCRBASE_0x70000 = 28,
138    GX_BG_BMPSCRBASE_0x74000 = 29,
139    GX_BG_BMPSCRBASE_0x78000 = 30,
140    GX_BG_BMPSCRBASE_0x7c000 = 31
141}
142GXBGBmpScrBase;</CODE></PRE>
143<h2>See Also</h2>
144<P><A href="G2_GetBG2Control256Bmp.html">G2_GetBG2Control256Bmp</A></P>
145<H2>Revision History</H2>
146<P>2004/01/19 Initial version.</P>
147<hr><p>CONFIDENTIAL</p></body>
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