Add comments to explain CGA ports better

1 files changed, 0 insertions, 59 deletions

diff --git a/src/vga.h b/src/vga.h
deleted file mode 100644
index 7a8c755..0000000
--- a/src/vga.h
+++ /dev/null
@@ -1,59 +0,0 @@
-#pragma once
-#include <stdlib.h>
-#include "ports.h"
-
-class VGA : public Console {
-public:
-  /* Hardware text mode color constants. */
-  enum vga_color : uint8_t {
-    VGA_COLOR_BLACK = 0,
-    VGA_COLOR_BLUE = 1,
-    VGA_COLOR_GREEN = 2,
-    VGA_COLOR_CYAN = 3,
-    VGA_COLOR_RED = 4,
-    VGA_COLOR_MAGENTA = 5,
-    VGA_COLOR_BROWN = 6,
-    VGA_COLOR_LIGHT_GREY = 7,
-    VGA_COLOR_DARK_GREY = 8,
-    VGA_COLOR_LIGHT_BLUE = 9,
-    VGA_COLOR_LIGHT_GREEN = 10,
-    VGA_COLOR_LIGHT_CYAN = 11,
-    VGA_COLOR_LIGHT_RED = 12,
-    VGA_COLOR_LIGHT_MAGENTA = 13,
-    VGA_COLOR_LIGHT_BROWN = 14,
-    VGA_COLOR_WHITE = 15,
-  };
-
-  VGA(vga_color fg = VGA_COLOR_BLACK, vga_color bg = VGA_COLOR_LIGHT_GREY, uint32_t address = 0xB8000);
-  ~VGA() = default;
-
-  void set_color(vga_color fg, vga_color bg);
-
-  void enable_cursor(uint8_t start, uint8_t end);
-  void disable_cursor();
-  void update_cursor() override;
-
-  void write(char c) override;
-  void write(ViewIterator& iter) override;
-
-
-  struct Entry {
-    char c;
-    vga_color fg : 4;
-    vga_color bg : 4;
-  } __attribute((packed));
-
-private:
-  const size_t max_columns = 80, max_rows = 25;
-  size_t column = 0, row = 0;
-
-  vga_color color_fg;
-  vga_color color_bg;
-
-  Entry* buffer;
-
-  // ports
-  vga_horizontal_total p_3d4;
-  vga_horizontal_display_enable_end p_3d5;
-};
-