From 38389579c4b89fa9817c56f27490443f17dc1043 Mon Sep 17 00:00:00 2001
From: toggo9 <121191375+toggo9@users.noreply.github.com>
Date: Fri, 18 Apr 2025 10:23:23 +0200
Subject: [PATCH 1/3] Add Acer P3 (SiS 496).

---
 src/machine/m_at_386dx_486.c | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/src/machine/m_at_386dx_486.c b/src/machine/m_at_386dx_486.c
index 4e659dd77..ef30a5aa4 100644
--- a/src/machine/m_at_386dx_486.c
+++ b/src/machine/m_at_386dx_486.c
@@ -1182,6 +1182,39 @@ machine_at_ms4144_init(const machine_t *model)
     return ret;
 }
 
+int
+machine_at_acerp3_init(const machine_t *model)
+{
+    int ret;
+
+    ret = bios_load_linear("roms/machines/acerp3/Acer Mate 600 P3 BIOS U13 V2.0R02-J3 ACR8DE00-S00-950911-R02-J3.bin",
+                           0x000e0000, 131072, 0);
+
+    if (bios_only || !ret)
+        return ret;
+
+    machine_at_common_init_ex(model, 2);
+
+    machine_at_sis_85c496_common_init(model);
+    device_add(&sis_85c496_device);
+    pci_register_slot(0x09, PCI_CARD_VIDEO,  0, 0, 0, 0);
+    pci_register_slot(0x0A, PCI_CARD_IDE, 	 0, 0, 0, 0);
+    pci_register_slot(0x12, PCI_CARD_NORMAL, 3, 4, 1, 2);
+    pci_register_slot(0x13, PCI_CARD_NORMAL, 2, 3, 4, 1);
+	pci_register_slot(0x14, PCI_CARD_NORMAL, 1, 2, 3, 4);
+
+    device_add(&fdc37c665_ide_device);
+    device_add(&keyboard_ps2_acer_pci_device);
+	device_add(&ide_cmd640_pci_legacy_only_device);
+	
+	if (gfxcard[0] == VID_INTERNAL)
+        device_add(&gd5434_onboard_pci_device);
+
+    device_add(&intel_flash_bxt_device);
+
+    return ret;
+}
+
 int
 machine_at_486sp3c_init(const machine_t *model)
 {

From 658a00b4c7e3bfea85f095705275c73151220633 Mon Sep 17 00:00:00 2001
From: toggo9 <121191375+toggo9@users.noreply.github.com>
Date: Fri, 18 Apr 2025 10:25:16 +0200
Subject: [PATCH 2/3] Add Acer P3 machine table entry.

---
 src/machine/machine_table.c | 39 +++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/src/machine/machine_table.c b/src/machine/machine_table.c
index 42ac79417..39d9cc9ff 100644
--- a/src/machine/machine_table.c
+++ b/src/machine/machine_table.c
@@ -8357,6 +8357,45 @@ const machine_t machines[] = {
         .snd_device = NULL,
         .net_device = NULL
     },
+    {
+        .name = "[SiS 496] Acer P3",
+        .internal_name = "acerp3",
+        .type = MACHINE_TYPE_486_S3_PCI,
+        .chipset = MACHINE_CHIPSET_SIS_496,
+        .init = machine_at_acerp3_init,
+        .p1_handler = NULL,
+        .gpio_handler = NULL,
+        .available_flag = MACHINE_AVAILABLE,
+        .gpio_acpi_handler = NULL,
+        .cpu = {
+            .package = CPU_PKG_SOCKET3,
+            .block = CPU_BLOCK(CPU_i486SX, CPU_i486DX, CPU_Am486SX, CPU_Am486DX),
+            .min_bus = 0,
+            .max_bus = 0,
+            .min_voltage = 0,
+            .max_voltage = 0,
+            .min_multi = 0,
+            .max_multi = 0
+        },
+        .bus_flags = MACHINE_PS2_PCI,
+        .flags = MACHINE_IDE_DUAL | MACHINE_APM | MACHINE_VIDEO,
+        .ram = {
+            .min = 2048,
+            .max = 131072,
+            .step = 1024
+        },
+        .nvrmask = 255,
+        .kbc_device = NULL,
+        .kbc_p1 = 0xff,
+        .gpio = 0xffffffff,
+        .gpio_acpi = 0xffffffff,
+        .device = NULL,
+        .fdc_device = NULL,
+        .sio_device = NULL,
+        .vid_device = NULL,
+        .snd_device = NULL,
+        .net_device = NULL
+    },
     /* This has an AMIKey-2, which is an updated version of type 'H'. */
     {
         .name = "[SiS 496] ASUS PVI-486SP3C",

From 40eaeb6ed5897ce9314f5e23ea4be24c422763a4 Mon Sep 17 00:00:00 2001
From: toggo9 <121191375+toggo9@users.noreply.github.com>
Date: Fri, 18 Apr 2025 10:26:16 +0200
Subject: [PATCH 3/3] Add Acer P3 machine definition.

---
 src/include/86box/machine.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/include/86box/machine.h b/src/include/86box/machine.h
index 5a552d6eb..4469b55c2 100644
--- a/src/include/86box/machine.h
+++ b/src/include/86box/machine.h
@@ -571,6 +571,7 @@ extern int machine_at_r418_init(const machine_t *);
 extern int machine_at_ls486e_init(const machine_t *);
 extern int machine_at_4dps_init(const machine_t *);
 extern int machine_at_ms4144_init(const machine_t *);
+extern int machine_at_acerp3_init(const machine_t *);
 extern int machine_at_4saw2_init(const machine_t *);
 extern int machine_at_m4li_init(const machine_t *);
 extern int machine_at_alfredo_init(const machine_t *);