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BufferedCGA refactoring

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This commit is contained in:
churl
2022-05-17 17:50:19 +02:00
parent c1b7c4cb5b
commit 13c7d898ab
7 changed files with 78 additions and 67 deletions
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10
c_os/devices/BufferedCGA.h
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@ -14,13 +14,17 @@ private:
BufferedCGA(const CGA& copy);
void displaypage(); // Write the current_page to CGA memory
void display_scrollback(); // Write the current_page to CGA memory
public:
BufferedCGA() : CGA(), initialized(false), current_page(0) {};
BufferedCGA() : CGA(), initialized(false), scrollback(0) {};
~BufferedCGA() {
if (this->initialized) { delete this->scrollback_buffer; }
}
unsigned char scrollback; // The page that is displayed, public to enable page display
void init(unsigned int pages); // Scrollback needs to be initialized after memorymanagement
unsigned char current_page; // The page that is displayed
void scroll_page_backward(); // Scroll up the page history
void scroll_page_forward(); // Scroll down the page history (to the current page)