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BufferedCGA refactoring

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churl
2022-05-17 18:38:52 +02:00
parent 7506cc40b9
commit 80cbe0900d
3 changed files with 10 additions and 22 deletions
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4
c_os/devices/BufferedCGA.cc
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@ -13,7 +13,7 @@ void BufferedCGA::display_scrollback() {
if (this->initialized) {
if (this->scrollback == 0) {
// Use pagebuffer
this->scrollback_buffer->copy_from_pagebuffer((cga_page_t*)CGA_START);
this->scrollback_buffer->save_screen((cga_page_t*)CGA_START);
} else {
// Use scrollback
this->scrollback_buffer->get((cga_line_t*)CGA_START, this->scrollback - 1);
@ -60,7 +60,7 @@ void BufferedCGA::scroll_page_backward() {
// If this is the first scrollback we have to save the current screen content
if (this->scrollback == 0) {
this->scrollback_buffer->copy_to_pagebuffer((cga_page_t*)CGA_START);
this->scrollback_buffer->restore_screen((cga_page_t*)CGA_START);
}
// current_page can be equal to scrollback_buffer->pages