1 files changed, 0 insertions, 110 deletions
diff --git a/src/keyboard.c b/src/keyboard.c
deleted file mode 100644
index c945acd..0000000
--- a/src/keyboard.c
+++ /dev/null
@@ -1,110 +0,0 @@
-#include"types.h"
-#include"asm.h"
-#include"stdio.h"
-
-#define BUFFER_SIZE 200
-char buffer[BUFFER_SIZE];
-size_t buffer_index=0;
-
-#define PIC1_COMMAND_PORT 0x20
-#define PIC1_DATA_PORT 0x21
-#define PIC2_COMMAND_PORT 0xA0
-#define PIC2_DATA_PORT 0xA1
-// IO Ports for Keyboard
-#define KEYBOARD_DATA_PORT 0x60
-#define KEYBOARD_STATUS_PORT 0x64
-
-void previous_field(void);
-void terminal_putchar(char c);
-void tty(char *buffer);
-void prompt(void);
-void clear();
-void us_en(char keymap[]);
-
-char charcode[256];
-bool ispressed[128];
-
-void init_keyboard()
-{
-    // 0xFD = 1111 1101 in binary. enables only IRQ1
-    // Why IRQ1? Remember, IRQ0 exists, it's 0-based
-    ioport_out(PIC1_DATA_PORT, 0xFD);
-    us_en(charcode);
-}
-
-void backspace()
-{
-    if(buffer_index<=0) return;
-
-    previous_field();
-    printf(" ");
-    previous_field();
-    buffer[--buffer_index]='\0';
-    return;
-}
-
-void enter()
-{
-    printf("\n");
-    if(buffer_index>0)
-    {
-	tty(buffer);
-	for(int i=0;i<BUFFER_SIZE;i++) buffer[i]='\0';
-	buffer_index=0;
-    }
-    prompt();
-    return;
-}
-
-void space()
-{
-    buffer[buffer_index++]=' ';
-    printf(" ");
-}
-#define lshift ispressed[0x2A]
-#define lctrl ispressed[0x1D]
-
-void handle_keyboard_interrupt()
-{
-    ioport_out(PIC1_COMMAND_PORT, 0x20);
-    uint8_t status = ioport_in(KEYBOARD_STATUS_PORT);
-
-    if (status & 0x1)
-    {
-	uint8_t keycode = ioport_in(KEYBOARD_DATA_PORT);
-	if(keycode<0x80)
-	{
-	    ispressed[keycode]=1;
-	    if(keycode==0x0E) backspace();
-	    else if(keycode==0x1C) enter();
-	    else if(keycode==0x39) space();
-	    else
-	    {
-		char c=charcode[keycode];
-		if(c!=' ')
-		{
-		    if(lshift)
-		    {
-			if(c>='a'&&c<='z') c-=32;
-		    }
-		    if(lctrl)
-		    {
-			if(c=='l')
-			{
-			    clear();
-			    prompt();
-			    return;
-			}
-		    }
-		    buffer[buffer_index++]=c;
-		    printf("%c",c);
-		}
-	    }
-	}
-	else
-	{
-	    ispressed[keycode-0x80]=0;
-	}
-
-    }
-}