From 20dd72e40dc2728d3c5335d860e4b8ab8da14fcc Mon Sep 17 00:00:00 2001
From: Aleksa Vučković <aleksav013@gmail.com>
Date: Mon, 25 Oct 2021 00:36:33 +0200
Subject: Changing build system to recursive make

---
 src/vga.c | 126 --------------------------------------------------------------
 1 file changed, 126 deletions(-)
 delete mode 100644 src/vga.c

(limited to 'src/vga.c')

diff --git a/src/vga.c b/src/vga.c
deleted file mode 100644
index 5bd2caf..0000000
--- a/src/vga.c
+++ /dev/null
@@ -1,126 +0,0 @@
-#include"types.h"
-#include"string.h"
-#include"asm.h"
-
-static const size_t VGA_WIDTH = 80;
-static const size_t VGA_HEIGHT = 25;
-
-
-enum vga_color {
-    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,
-};
-
-static inline uint8_t vga_entry_color(enum vga_color fg, enum vga_color bg)
-{
-    return fg | bg << 4;
-}
- 
-static inline uint16_t vga_entry(unsigned char uc, uint8_t color)
-{
-    return (uint16_t) uc | (uint16_t) color << 8;
-}
- 
-size_t terminal_row;
-size_t terminal_column;
-uint8_t terminal_color;
-uint16_t* terminal_buffer;
- 
-void terminal_initialize()
-{
-    terminal_row=0;
-    terminal_column=0;
-    terminal_color=vga_entry_color(VGA_COLOR_LIGHT_GREY, VGA_COLOR_BLACK);
-    terminal_buffer=(uint16_t*) 0xB8000;
-    for(size_t y=0;y<VGA_HEIGHT;y++)
-    {
-	for(size_t x=0;x<VGA_WIDTH;x++)
-	{
-	    const size_t index=y*VGA_WIDTH+x;
-	    terminal_buffer[index]=vga_entry(' ', terminal_color);
-	}
-    }
-}
-
-void terminal_putentryat(char c, uint8_t color, size_t x, size_t y)
-{
-    const size_t index=y*VGA_WIDTH+x;
-    terminal_buffer[index]=vga_entry(c, color);
-}
-
-void movescreen()
-{
-    terminal_row--;
-    for(size_t i=0;i<VGA_HEIGHT;i++) for(size_t j=0;j<VGA_WIDTH;j++) terminal_buffer[i*VGA_WIDTH+j]=terminal_buffer[(i+1)*VGA_WIDTH+j];
-}
-
-void next_field()
-{
-    if(++terminal_column==VGA_WIDTH) terminal_column=0,terminal_row++;
-}
-
-void previous_field()
-{
-    if(terminal_column) terminal_column--;
-    else terminal_row--,terminal_column=VGA_WIDTH-1;
-}
- 
-void terminal_putchar(char c)
-{
-    if(c=='\n') terminal_column=0,terminal_row++;
-    else
-    {
-	terminal_putentryat(c, terminal_color, terminal_column, terminal_row);
-	next_field();
-    }
-    if (terminal_row==VGA_HEIGHT) movescreen();
-}
- 
-void terminal_writestring(char* data)
-{
-    for(int i=0;data[i]!='\0';i++) terminal_putchar(data[i]);
-}
-
-void terminal_writeint(uint32_t num)
-{
-    char string[100];
-    for(int i=0;i<100;i++) string[i]='\0';
-    char *str=string;
-    itos(num,str);
-    terminal_writestring(str);
-}
-
-void terminal_writefloat(double num)
-{
-    char string[100];
-    for(int i=0;i<100;i++) string[i]='\0';
-    char *str=string;
-    ftos(num,str);
-    terminal_writestring(str);
-}
-
-void prompt()
-{
-    terminal_writestring("[user@myos] > ");
-}
-
-void clear()
-{
-    for(size_t i=0;i<VGA_HEIGHT;i++) for(size_t j=0;j<VGA_WIDTH;j++) terminal_putchar(' ');
-    terminal_column=0;
-    terminal_row=0;
-}
-- 
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