Split off the F82C606 from the F82C710, rewritten the F82C710, implemented the PS/2 QuickPort mouse interface and added it as standalone, added the Seagate XTA controller, and added the Amstrad PC5086.

src/machine/CMakeLists.txt

@@ -27,6 +27,7 @@ add_library(mch OBJECT
     m_xt_zenith.c
     m_pcjr.c
     m_amstrad.c
+    m_amstrad_pc5x86.c
     m_europc.c
     m_elt.c
     m_xt_olivetti.c

src/machine/m_amstrad_pc5x86.c

@@ -0,0 +1,68 @@
+/*
+ * 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.
+ *
+ *          Amstrad PC5086 and PC5286 emulation.
+ *
+ * Authors: Miran Grca, <mgrca8@gmail.com>
+ *
+ *          Copyright 2025 Miran Grca.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free  Software  Foundation; either  version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is  distributed in the hope that it will be useful, but
+ * WITHOUT   ANY  WARRANTY;  without  even   the  implied  warranty  of
+ * MERCHANTABILITY  or FITNESS  FOR A PARTICULAR  PURPOSE. See  the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the:
+ *
+ *   Free Software Foundation, Inc.
+ *   59 Temple Place - Suite 330
+ *   Boston, MA 02111-1307
+ *   USA.
+ */
+#include <stdio.h>
+#include <stdint.h>
+#include <86box/86box.h>
+#include "cpu.h"
+#include <86box/device.h>
+#include <86box/mem.h>
+#include <86box/rom.h>
+#include <86box/timer.h>
+#include <86box/chipset.h>
+#include <86box/machine.h>
+#include <86box/nvr.h>
+#include <86box/keyboard.h>
+#include <86box/sio.h>
+
+int
+machine_pc5086_init(const machine_t *model)
+{
+    int ret;
+
+    ret = bios_load_linear("roms/machines/pc5086/sys_rom.bin",
+                                 0x000f0000, 65536, 0);
+
+    if (bios_only || !ret)
+        return ret;
+
+    machine_common_init(model);
+
+    device_add(&ct_82c100_device);
+    device_add(&f82c710_pc5086_device);
+
+    device_add(&keyboard_xt_device);
+
+    device_add(&amstrad_megapc_nvr_device); /* NVR that is initialized to all 0x00's. */
+
+    return ret;
+}

src/machine/machine_table.c

@@ -30,6 +30,7 @@
 #include <86box/fdd.h>
 #include <86box/fdc.h>
 #include <86box/keyboard.h>
+#include <86box/sio.h>
 #include <86box/sound.h>
 #include <86box/video.h>
 #include <86box/plat_unused.h>
@@ -2267,6 +2268,45 @@ const machine_t machines[] = {
         .snd_device = NULL,
         .net_device = NULL
     },
+    {
+        .name = "[8086] Amstrad PC5086",
+        .internal_name = "pc5086",
+        .type = MACHINE_TYPE_8086,
+        .chipset = MACHINE_CHIPSET_PROPRIETARY,
+        .init = machine_pc5086_init,
+        .p1_handler = NULL,
+        .gpio_handler = NULL,
+        .available_flag = MACHINE_AVAILABLE,
+        .gpio_acpi_handler = NULL,
+        .cpu = {
+            .package = CPU_PKG_8086,
+            .block = CPU_BLOCK_NONE,
+            .min_bus = 0,
+            .max_bus = 0,
+            .min_voltage = 0,
+            .max_voltage = 0,
+            .min_multi = 0,
+            .max_multi = 0
+        },
+        .bus_flags = MACHINE_PC | MACHINE_BUS_PS2,
+        .flags = MACHINE_XTA,
+        .ram = {
+            .min = 512,
+            .max = 640,
+            .step = 128
+        },
+        .nvrmask = 63,
+        .kbc_device = &keyboard_xt_device,
+        .kbc_p1 = 0xff,
+        .gpio = 0xffffffff,
+        .gpio_acpi = 0xffffffff,
+        .device = &f82c710_pc5086_device,
+        .fdc_device = NULL,
+        .sio_device = NULL,
+        .vid_device = NULL,
+        .snd_device = NULL,
+        .net_device = NULL
+    },
     {
         .name = "[8086] Amstrad PPC512/640",
         .internal_name = "ppc512",