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Simplify storage of NOS control bits

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This commit is contained in:
Gavin MacGregor
2025-02-19 15:22:28 +00:00
parent 923c5563d5
commit 0901803186
2 changed files with 15 additions and 26 deletions
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40
src/qteletextdecoder/levelonepage.cpp
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@@ -255,41 +255,27 @@ bool LevelOnePage::packetExists(int y, int d) const
return PageX26Base::packetExists(y, d);
}
bool LevelOnePage::controlBit(int b) const
{
switch (b) {
case C12NOS:
return (m_defaultNOS & 1) == 1;
case C13NOS:
return (m_defaultNOS & 2) == 2;
case C14NOS:
return (m_defaultNOS & 4) == 4;
default:
return PageX26Base::controlBit(b);
}
}
bool LevelOnePage::setControlBit(int b, bool active)
{
switch (b) {
case C12NOS:
m_defaultNOS &= 0x06;
m_defaultNOS &= 0x6;
if (active)
m_defaultNOS |= 0x01;
return true;
m_defaultNOS |= 0x1;
break;
case C13NOS:
m_defaultNOS &= 0x05;
m_defaultNOS &= 0x5;
if (active)
m_defaultNOS |= 0x02;
return true;
m_defaultNOS |= 0x2;
break;
case C14NOS:
m_defaultNOS &= 0x03;
m_defaultNOS &= 0x3;
if (active)
m_defaultNOS |= 0x04;
return true;
default:
return PageX26Base::setControlBit(b, active);
m_defaultNOS |= 0x4;
break;
}
return PageX26Base::setControlBit(b, active);
}
/* void LevelOnePage::setSubPageNumber(int newSubPageNumber) { m_subPageNumber = newSubPageNumber; } */
@@ -300,6 +286,10 @@ void LevelOnePage::setDefaultCharSet(int newDefaultCharSet) { m_defaultCharSet =
void LevelOnePage::setDefaultNOS(int defaultNOS)
{
m_defaultNOS = defaultNOS;
PageX26Base::setControlBit(C12NOS, m_defaultNOS & 0x1);
PageX26Base::setControlBit(C13NOS, m_defaultNOS & 0x2);
PageX26Base::setControlBit(C14NOS, m_defaultNOS & 0x4);
}
void LevelOnePage::setSecondCharSet(int newSecondCharSet)