From 5836c7df10d48b9c3241f2fbdb9ea3a37313a6fd Mon Sep 17 00:00:00 2001 From: dzwdz Date: Mon, 9 Aug 2021 21:11:16 +0200 Subject: move all the tty stuff to a tty directory --- src/kernel/arch/i386/tty.c | 33 --------------------------------- 1 file changed, 33 deletions(-) delete mode 100644 src/kernel/arch/i386/tty.c (limited to 'src/kernel/arch/i386/tty.c') diff --git a/src/kernel/arch/i386/tty.c b/src/kernel/arch/i386/tty.c deleted file mode 100644 index 822c32c..0000000 --- a/src/kernel/arch/i386/tty.c +++ /dev/null @@ -1,33 +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 (size_t 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