refactoring

1 files changed, 0 insertions, 138 deletions

diff --git a/kernel/src/tty/term.c b/kernel/src/tty/term.c
deleted file mode 100644
index a7451d2..0000000
--- a/kernel/src/tty/term.c
+++ /dev/null
@@ -1,138 +0,0 @@
-
-#include <stddef.h>
-#include <stdint.h>
-#include <string.h>
-#include <sys.h>
-#include <print.h>
-
-#include "term.h"
-#include "color.h"
-#include "cursor.h"
-
-uint16_t buffer[TERM_W * TERM_H * sizeof(uint16_t)];
-uint16_t *front;
-uint8_t x, y;
-uint8_t color;
-
-const uint16_t blank = (uint16_t) 0 | VGA_BLACK << 12 | VGA_WHITE << 8;
-
-static void term_clear_line(int y) {
-    if (y < 0 || y >= TERM_H)
-        return;
-    for (uint8_t x = 0; x < TERM_W; x++) {
-	    const size_t index = y * TERM_W + x;
-	    buffer[index] = blank;
-    }
-}
-
-void term_init (void) {
-    x = 0;
-    y = 0;
-    front = (uint16_t*) 0xC03FF000;
-    term_setfg(VGA_WHITE);
-    term_setbg(VGA_BLACK);
-    term_clear();
-}
-
-void term_setpos(uint8_t xp, uint8_t yp) {
-    x = xp;
-    y = yp;
-    cursor_setpos(x, y);
-}
-
-void term_scroll (int lines) {
-    int_disable(); 
-    y -= lines;
-    if (!lines) return;
-    if(lines >= TERM_H || lines <= -TERM_H) {
-		term_clear();
-	} else if(lines > 0) {
-		memmove(buffer, buffer + lines * TERM_W, 2 * (TERM_H - lines) * TERM_W);
-        term_clear_line(TERM_H - lines);
-	} else {
-		memmove(buffer + lines * TERM_W, buffer + lines, (TERM_H + lines) * TERM_W);
-	}
-    int_enable();
-}
-
-void term_setfg(enum VGAColor c) {
-    color = (color & 0xF0) | c;
-}
-
-void term_setbg(enum VGAColor c) {
-    color = (color & 0x0F) | c << 4;
-}
-
-void term_clear (void) {
-    for (uint8_t y = 0; y < TERM_H; y++)
-        term_clear_line(y);
-}
-
-uint32_t term_save(void) {
-    uint32_t state = 0;
-    state |= (uint32_t) x << 16;
-    state |= (uint32_t) y << 8;
-    state |= (uint32_t) color << 0;
-    return state;
-}
-
-void term_load(uint32_t state) {
-    x = (uint8_t) (state >> 16);
-    y = (uint8_t) (state >> 8);
-    color = (uint8_t) (state >> 0);
-    cursor_setpos(x, y);
-}
-
-uint16_t term_save_col(void) {
-    return color;
-}
-
-void term_load_col(uint16_t c) {
-    color = c;
-}
-
-void putchar(int c) {
-    switch (c) {
-        case '\n':
-            x = 0;
-            y++;
-            break;
-        case '\t':
-            x += 4;
-            break;
-        case '\v':
-        case '\f':
-            y++;
-            break;
-        case '\r':
-            x = 0;
-            break;
-        default: {
-	        const size_t index = y * TERM_W + x;
-	        buffer[index] = c | (uint16_t) color << 8;
-            x++;
-        }
-    }
-
-	if (x >= TERM_W) {
-		x = 0;
-        y++;
-	}
-
-	if (y >= TERM_H) {
-		term_scroll(y - (TERM_H - 1));
-        y = TERM_H - 1;
-    }
-
-    cursor_setpos(x, y);
-}
-
-bool term_newline(void) {
-    return x == 0;
-}
-
-void term_flush(void) {
-    int_disable();
-    memcpy(front, buffer, TERM_W * TERM_H * sizeof(uint16_t));
-    int_enable();
-}