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| Original file line number | Diff line number | Diff line change |
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| // | ||
| // Created by 98max on 27/09/2023. | ||
| // | ||
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| #ifndef MAXOS_DRIVERS_CONSOLE_TEXTMODECONSOLE_H | ||
| #define MAXOS_DRIVERS_CONSOLE_TEXTMODECONSOLE_H | ||
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| #include <common/types.h> | ||
| #include <drivers/driver.h> | ||
| #include <drivers/console/console.h> | ||
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| namespace maxOS{ | ||
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| namespace drivers { | ||
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| namespace console { | ||
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| class TextModeConsole : public Driver, public Console | ||
| { | ||
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| public: | ||
| TextModeConsole(); | ||
| ~TextModeConsole(); | ||
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| common::uint16_t getWidth(); | ||
| common::uint16_t getHeight(); | ||
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| void putChar(common::uint16_t x, common::uint16_t y, char c); | ||
| void setForegroundColor(common::uint16_t x, common::uint16_t y, ConsoleColor foreground); | ||
| void setBackgroundColor(common::uint16_t x, common::uint16_t y, ConsoleColor background); | ||
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| char getChar(common::uint16_t x, common::uint16_t y); | ||
| ConsoleColor getForegroundColor(common::uint16_t x, common::uint16_t y); | ||
| ConsoleColor getBackgroundColor(common::uint16_t x, common::uint16_t y); | ||
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| protected: | ||
| common::uint16_t* videoMemory; | ||
| }; | ||
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| } | ||
| } | ||
| } | ||
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| #endif //MAXOS_DRIVERS_CONSOLE_TEXTMODECONSOLE_H |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,152 @@ | ||
| // | ||
| // Created by 98max on 27/09/2023. | ||
| // | ||
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| #include <drivers/console/textmodeconsole.h> | ||
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| using namespace maxOS; | ||
| using namespace maxOS::common; | ||
| using namespace maxOS::drivers; | ||
| using namespace maxOS::drivers::console; | ||
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| TextModeConsole::TextModeConsole() | ||
| : Driver(), | ||
| Console(), | ||
| videoMemory((uint16_t*) 0xb8000) | ||
| { | ||
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| } | ||
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| TextModeConsole::~TextModeConsole() | ||
| { | ||
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| } | ||
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| uint16_t TextModeConsole::getWidth() | ||
| { | ||
| return 80; | ||
| } | ||
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| uint16_t TextModeConsole::getHeight() | ||
| { | ||
| return 25; | ||
| } | ||
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| /** | ||
| * Places a character at the specified location | ||
| * @param x The x coordinate | ||
| * @param y The y coordinate | ||
| * @param c The character to place | ||
| */ | ||
| void TextModeConsole::putChar(common::uint16_t x, common::uint16_t y, char c) { | ||
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| // If the coordinates are out of bounds, return | ||
| if(x >= 80 || y >= 25) | ||
| return; | ||
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| // Calculate the offset (*80 because there are 80 characters per line) | ||
| int offset = (y*80 + x); | ||
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| // Set the character at the offset, by masking the character with the current character (last 8 bits) | ||
| videoMemory[offset] = (videoMemory[offset] & 0xFF00) | (uint16_t)c; | ||
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| } | ||
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| /** | ||
| * Sets the foreground color at the specified location | ||
| * @param x The x coordinate | ||
| * @param y The y coordinate | ||
| * @param foreground The foreground color | ||
| */ | ||
| void TextModeConsole::setForegroundColor(common::uint16_t x, common::uint16_t y, ConsoleColor foreground) { | ||
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| // If the coordinates are out of bounds, return | ||
| if(x >= 80 || y >= 25) | ||
| return; | ||
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| // Calculate the offset (*80 because there are 80 characters per line) | ||
| int offset = (y*80 + x); | ||
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| // Set the foreground color at the offset, by masking the foreground color with the current foreground color (bits 8-11) | ||
| videoMemory[offset] = (videoMemory[offset] & 0xF0FF) | ((uint16_t)foreground << 8); | ||
| } | ||
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| /** | ||
| * Sets the background color at the specified location | ||
| * @param x The x coordinate | ||
| * @param y The y coordinate | ||
| * @param background The background color | ||
| */ | ||
| void TextModeConsole::setBackgroundColor(common::uint16_t x, common::uint16_t y, ConsoleColor background) { | ||
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| // If the coordinates are out of bounds, return | ||
| if(x >= 80 || y >= 25) | ||
| return; | ||
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| // Calculate the offset (*80 because there are 80 characters per line) | ||
| int offset = (y*80 + x); | ||
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| // Set the background color at the offset, by masking the background color with the current background color (bits 12-15) | ||
| videoMemory[offset] = (videoMemory[offset] & 0x0FFF) | ((uint16_t)background << 12); | ||
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| } | ||
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| /** | ||
| * Gets the character at the specified location | ||
| * @param x The x coordinate | ||
| * @param y The y coordinate | ||
| * @return The character at the specified location | ||
| */ | ||
| char TextModeConsole::getChar(common::uint16_t x, common::uint16_t y) { | ||
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| // If the coordinates are out of bounds, return | ||
| if(x >= 80 || y >= 25) | ||
| return ' '; | ||
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| // Calculate the offset (*80 because there are 80 characters per line) | ||
| int offset = (y*80 + x); | ||
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| // Return the character at the offset, by masking the character with the current character (last 8 bits) | ||
| return (char)(videoMemory[offset] & 0x00FF); | ||
| } | ||
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| /** | ||
| * Gets the foreground color at the specified location | ||
| * @param x The x coordinate | ||
| * @param y The y coordinate | ||
| * @return The foreground color at the specified location | ||
| */ | ||
| ConsoleColor TextModeConsole::getForegroundColor(common::uint16_t x, common::uint16_t y) { | ||
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| // If the coordinates are out of bounds, return | ||
| if(x >= 80 || y >= 25) | ||
| return ConsoleColor::Black; | ||
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| // Calculate the offset (*80 because there are 80 characters per line) | ||
| int offset = (y*80 + x); | ||
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| // Return the foreground color at the offset, by masking the foreground color with the current foreground color (bits 8-11) | ||
| return (ConsoleColor)((videoMemory[offset] & 0x0F00) >> 8); | ||
| } | ||
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| /** | ||
| * Gets the background color at the specified location | ||
| * @param x The x coordinate | ||
| * @param y The y coordinate | ||
| * @return The background color at the specified location | ||
| */ | ||
| ConsoleColor TextModeConsole::getBackgroundColor(common::uint16_t x, common::uint16_t y) { | ||
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| // If the coordinates are out of bounds, return | ||
| if(x >= 80 || y >= 25) | ||
| return ConsoleColor::Black; | ||
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| // Calculate the offset (*80 because there are 80 characters per line) | ||
| int offset = (y*80 + x); | ||
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| // Return the background color at the offset, by masking the background color with the current background color (bits 12-15) | ||
| return (ConsoleColor)((videoMemory[offset] & 0xF000) >> 12); | ||
| } | ||
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