From ed12953042ec38244f3ab93d67f4c2dea6f1fee3 Mon Sep 17 00:00:00 2001 From: dzwdz Date: Sun, 18 Jul 2021 14:16:24 +0200 Subject: move all kernel sources to src/kernel/ --- src/arch/i386/tty.c | 36 ------------------------------------ 1 file changed, 36 deletions(-) delete mode 100644 src/arch/i386/tty.c (limited to 'src/arch/i386/tty.c') diff --git a/src/arch/i386/tty.c b/src/arch/i386/tty.c deleted file mode 100644 index a7c74f5..0000000 --- a/src/arch/i386/tty.c +++ /dev/null @@ -1,36 +0,0 @@ -#include - -struct vga_cell { - unsigned char c; - unsigned char style; -} __attribute__((__packed__)); - -static const size_t vga_len = 80 * 25; -static struct vga_cell *vga = (void*) 0xB8000; -static size_t vga_pos = 0; - -static void tty_scroll() { - for (int i = 0; i < vga_len - 80; i++) { - vga[i] = vga[i + 80]; - } - vga_pos -= 80; -} - -void tty_putchar(char c) -{ - if (vga_pos >= vga_len - 80) tty_scroll(); - vga[vga_pos++].c = c; -} - -void tty_write(const char *buf, size_t len) -{ - for (size_t i = 0; i < len; i++) { - tty_putchar(buf[i]); - } -} - -void tty_clear() { - for (size_t i = 0; i < vga_len; i++) - vga[i].c = ' '; - vga_pos = 0; -} -- cgit v1.2.3