christoph/lecture-operating-system-development
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namespace mylibs

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churl
2022-05-15 15:29:46 +02:00
parent 481d14bcd0
commit c1b7c4cb5b
7 changed files with 38 additions and 33 deletions
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5
c_os/lib/ScrollbackBuffer.h
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@ -11,7 +11,10 @@
class ScrollbackBuffer {
private:
CGA::cga_line_t* buffer; // Circular buffer to store lines that left the screen
CGA::cga_page_t* pagebuffer; // Contains the current page separately from the scrollback
CGA::cga_page_t* pagebuffer; // Contains the current page separately from the scrollback.
// I thought this was easier since it also captures the little output
// generated before the scrollback buffer is initialized
// (but only if it's less than a page)
unsigned int current_linenumber;
CGA::cga_line_t* get_current_line() const; // Translate linenumber to memory location