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Implemented a software cursor of sorts and updated the function that draws a string to honor that cursor position.

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glm94
2020-05-23 17:09:06 -05:00
parent 7613ba9de2
commit cf88cb98fb
3 changed files with 35 additions and 13 deletions
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kernel/kmain.c
+9
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@@ -11,6 +11,14 @@ void kmain()
draw_rect(10, 5, 15, 13, 0x8, 0x6);
draw_rect(20, 5, 25, 7, 0xF, 0x1);
draw_rect(20, 8, 25, 13, 0x5, 0x3);
set_cursor(0, 14);
move_cursor(0, 14);
move_cursor(0, 15);
draw_s("Test print", 0x8, 0xF);
move_cursor(0, 16);
draw_s("And now the cursor has been moved to y = 16.", 0x1, 0xF);
move_cursor(5, 20);
draw_s("Cursor moved over 5 cells and down 4 cells.", 0xF, 0x0);
//draw_rect(20, 5, 50, 7, 0x4, 0xF);
//draw_rect(20, 5, 50, 7, 0x4, 0xF);
//draw_rect(20, 5, 50, 7, 0x4, 0xF);
@@ -30,6 +38,7 @@ void write_screen(unsigned int i, char c, unsigned char fg, unsigned char bg)
void move(unsigned short pos)
{
outb(0x3D4, 14);
outb(0x3D5, ((pos >> 8 ) & 0x00FF));
outb(0x3D4, 15);