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NDS: setKeyboardEnable shouldn't overrun VRAM anymore when CPU scaler is on

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svn-id: r27515
This commit is contained in:
Bertrand Augereau 2007-06-17 19:37:07 +00:00
parent e477ca37b3
commit e5107cb980
1 changed files with 13 additions and 5 deletions
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18
backends/platform/ds/arm9/source/dsmain.cpp
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@ -1018,11 +1018,19 @@ void setKeyboardEnable(bool en) {
// Copy the sub screen VRAM from the top screen - they should always be
// the same.
u16* buffer = get8BitBackBuffer();
for (int r = 0; r < (512 * 256) >> 1; r++) {
BG_GFX_SUB[r] = buffer[r];
}
if(isCpuScalerEnabled())
{
for (int y = 0; y < gameHeight; ++y)
for (int x = 0; x < gameWidth / 2; ++x)
BG_GFX_SUB[y*256 + x] = buffer[y*gameWidth/2 + x];
}
else
{
for (int r = 0; r < (512 * 256) >> 1; r++) {
BG_GFX_SUB[r] = buffer[r];
}
}
SUB_DISPLAY_CR &= ~DISPLAY_BG1_ACTIVE; // Turn off keyboard layer
SUB_DISPLAY_CR |= DISPLAY_BG3_ACTIVE; // Turn on game layer
} else {