From 099364332726cef91813f0083e026f2d607b7e99 Mon Sep 17 00:00:00 2001
From: tiseno100 <58827426+tiseno100@users.noreply.github.com>
Date: Thu, 10 Sep 2020 19:47:41 +0300
Subject: [PATCH] Delete the old Intel 82335 code

---
 src/chipset/i82335.c | 197 -------------------------------------------
 1 file changed, 197 deletions(-)
 delete mode 100644 src/chipset/i82335.c

diff --git a/src/chipset/i82335.c b/src/chipset/i82335.c
deleted file mode 100644
index cc14113fd..000000000
--- a/src/chipset/i82335.c
+++ /dev/null
@@ -1,197 +0,0 @@
-/*
- * 86Box	A hypervisor and IBM PC system emulator that specializes in
- *		running old operating systems and software designed for IBM
- *		PC systems and compatibles from 1981 through fairly recent
- *		system designs based on the PCI bus.
- *
- *		This file is part of the 86Box distribution.
- *
- *		Implementation of the Intel 82335(KU82335) chipset.
- *
- *
- *
- * Authors:	Sarah Walker, <tommowalker@tommowalker.co.uk>
- *		Miran Grca, <mgrca8@gmail.com>
- *
- *		Copyright 2008-2020 Sarah Walker.
- *		Copyright 2016-2020 Miran Grca.
- *		Copyright 2020 Tiseno100
- *
- */
-
-#include <stdarg.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <wchar.h>
-#define HAVE_STDARG_H
-#include <86box/86box.h>
-#include "cpu.h"
-#include <86box/timer.h>
-#include <86box/io.h>
-#include <86box/device.h>
-#include <86box/keyboard.h>
-#include <86box/mem.h>
-#include <86box/fdd.h>
-#include <86box/fdc.h>
-#include <86box/chipset.h>
-
-
-typedef struct
-{
-	uint8_t reg_22;
-	uint8_t reg_23;
-} i82335_t;
-
-static uint8_t i82335_read(uint16_t addr, void *priv);
-
-static void
-i82335_write(uint16_t addr, uint8_t val, void *priv)
-{
-    i82335_t *dev = (i82335_t *) priv;
-
-	int mem_write = 0;
-
-	switch (addr)
-	{
-		case 0x22:
-			if ((val ^ dev->reg_22) & 1)
-			{
-				if (val & 1)
-				{
-					for (int i = 0; i < 8; i++)
-					{
-						mem_set_mem_state(0xe0000, 0x20000, MEM_READ_INTERNAL | MEM_WRITE_INTERNAL);
-						shadowbios = 1;
-					}
-				}
-				else
-				{
-					for (int i = 0; i < 8; i++)
-					{
-						mem_set_mem_state(0xe0000, 0x20000, MEM_READ_EXTANY | MEM_WRITE_EXTANY);
-						shadowbios = 0;
-					}
-				}
-
-			        flushmmucache();
-			}
-
-			dev->reg_22 = val | 0xd8;
-			break;
-
-		case 0x23:
-			dev->reg_23 = val;
-
-			if ((val ^ dev->reg_22) & 2)
-			{
-				if (val & 2)
-				{
-					for (int i = 0; i < 8; i++)
-					{
-						mem_set_mem_state(0xc0000, 0x20000, MEM_READ_INTERNAL | MEM_WRITE_INTERNAL);
-						shadowbios = 1;
-					}
-				}
-				else
-				{
-					for (int i = 0; i < 8; i++)
-					{
-						mem_set_mem_state(0xc0000, 0x20000, MEM_READ_EXTANY | MEM_WRITE_EXTANY);
-						shadowbios = 0;
-					}
-				}
-			}
-
-			if ((val ^ dev->reg_22) & 0xc)
-			{
-				if (val & 2)
-				{
-					for (int i = 0; i < 8; i++)
-					{
-						mem_write = (val & 8) ? MEM_WRITE_DISABLED : MEM_WRITE_INTERNAL;
-						mem_set_mem_state(0xa0000, 0x20000, MEM_READ_INTERNAL | mem_write);
-						shadowbios = 1;
-					}
-				}
-				else
-				{
-					for (int i = 0; i < 8; i++)
-					{
-						mem_write = (val & 8) ? MEM_WRITE_DISABLED : MEM_WRITE_EXTANY;
-						mem_set_mem_state(0xa0000, 0x20000, MEM_READ_EXTANY | mem_write);
-						shadowbios = 0;
-					}
-				}
-			}
-
-			if ((val ^ dev->reg_22) & 0xe)
-			{
-			        flushmmucache();
-			}
-
-			if (val & 0x80)
-			{
-			        io_removehandler(0x0022, 0x0001, i82335_read, NULL, NULL, i82335_write, NULL, NULL, NULL);
-			        io_removehandler(0x0023, 0x0001, i82335_read, NULL, NULL, i82335_write, NULL, NULL, NULL);
-			}
-			break;
-	}
-}
-
-
-static uint8_t
-i82335_read(uint16_t addr, void *priv)
-{
-    uint8_t ret = 0xff;
-    i82335_t *dev = (i82335_t *) priv;
-
-	switch(addr){
-		case 0x22:
-			return dev->reg_22;
-			break;
-		case 0x23:
-			return dev->reg_23;
-			break;
-		default:
-			return 0;
-			break;
-	}
-
-    return ret;
-}
-
-
-static void
-i82335_close(void *priv)
-{
-    i82335_t *dev = (i82335_t *) priv;
-
-    free(dev);
-}
-
-
-static void *
-i82335_init(const device_t *info)
-{
-    i82335_t *dev = (i82335_t *) malloc(sizeof(i82335_t));
-    memset(dev, 0, sizeof(i82335_t));
-
-    dev->reg_22 = 0xd8;
-
-    io_sethandler(0x0022, 0x0001, i82335_read, NULL, NULL, i82335_write, NULL, NULL, dev);
-    io_sethandler(0x0023, 0x0001, i82335_read, NULL, NULL, i82335_write, NULL, NULL, dev);
-
-    return dev;
-}
-
-
-const device_t i82335_device = {
-    "Intel 82335",
-    0,
-    0,
-    i82335_init, i82335_close, NULL,
-    NULL, NULL, NULL,
-    NULL
-};