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Fix a testROM that avoids the quirk when in double speed mode

This commit is contained in:
TiKevin83 2020-05-22 09:16:51 -04:00
parent 9e33f5f6db
commit 2eb321a495
2 changed files with 2 additions and 3 deletions
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5
libgambatte/src/video.cpp
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@ -291,12 +291,11 @@ bool LCD::vramReadable(unsigned long const cc) {
}
bool LCD::vramExactlyReadable(unsigned long const cc) {
bool currentVramExactlyReadable = (cc + 2 == m0TimeOfCurrentLine(cc));
bool vramAlreadyExactlyRead = vramHasBeenExactlyRead;
if (currentVramExactlyReadable) {
if ((cc + 2 + isDoubleSpeed() > m0TimeOfCurrentLine(cc)) && (cc + 2 + isDoubleSpeed() < m0TimeOfCurrentLine(cc) + 4)) {
vramHasBeenExactlyRead = true;
}
return !vramAlreadyExactlyRead && currentVramExactlyReadable;
return !vramAlreadyExactlyRead && (cc + 2 + isDoubleSpeed() == m0TimeOfCurrentLine(cc));
}
bool LCD::vramWritable(unsigned long const cc) {

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output/dll/libgambatte.dll
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