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https://github.com/RGBCube/serenity
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Implement 'H' and 'J' escape sequences.
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parent
cc7e3519a6
commit
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5 changed files with 168 additions and 14 deletions
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@ -1,6 +1,7 @@
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#pragma once
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#include <AK/Compiler.h>
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#include <AK/Vector.h>
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#include <VirtualFileSystem/CharacterDevice.h>
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class Console final : public CharacterDevice {
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@ -17,6 +18,9 @@ public:
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void putChar(char);
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private:
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void escape$H(const Vector<unsigned>&);
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void escape$J(const Vector<unsigned>&);
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const byte m_rows { 25 };
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const byte m_columns { 80 };
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byte m_cursorRow { 0 };
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@ -24,6 +28,19 @@ private:
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byte m_currentAttribute { 0x07 };
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void executeEscapeSequence(byte final);
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enum EscapeState {
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Normal,
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ExpectBracket,
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ExpectParameter,
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ExpectIntermediate,
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ExpectFinal,
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};
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EscapeState m_escState { Normal };
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Vector<byte> m_parameters;
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Vector<byte> m_intermediates;
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const byte* s_vgaMemory { (const byte*)0xb8000 };
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};
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