From 0c4be448e80e9175cb5742520f9794ea1b35da29 Mon Sep 17 00:00:00 2001
From: win2kgamer <47463859+win2kgamer@users.noreply.github.com>
Date: Wed, 27 Aug 2025 18:03:13 -0500
Subject: [PATCH 1/2] Fix BIOS loading for the Dell Dimension XPS P60

---
 src/machine/m_at_socket4.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/machine/m_at_socket4.c b/src/machine/m_at_socket4.c
index 9eec19755..d1f9c637f 100644
--- a/src/machine/m_at_socket4.c
+++ b/src/machine/m_at_socket4.c
@@ -291,7 +291,7 @@ static const device_config_t batman_config[] = {
             { .name = "AMBRA DP60 PCI", .internal_name = "ambradp60", .bios_type = BIOS_NORMAL, 
               .files_no = 2, .local = 0, .size = 131072, .files = { "roms/machines/batman/1004AF1P.BIO", "roms/machines/batman/1004AF1P.BI1", "" } },
             { .name = "Dell Dimension XPS P60", .internal_name = "dellxp60", .bios_type = BIOS_NORMAL, 
-              .files_no = 1, .local = 0, .size = 131072, .files = { "roms/machines/batman/aptiva510_$IMAGES.USF", "" } },
+              .files_no = 1, .local = 0, .size = 131072, .files = { "roms/machines/batman/XP60-A08.ROM", "" } },
             { .name = "Intel Premiere/PCI (Batman)", .internal_name = "batman", .bios_type = BIOS_NORMAL, 
               .files_no = 2, .local = 0, .size = 131072, .files = { "roms/machines/batman/1008AF1_.BIO", "roms/machines/batman/1008AF1_.BI1", "" } },
             { .files_no = 0 }
@@ -330,7 +330,7 @@ machine_at_batman_init(const machine_t *model)
     int is_dell = !strcmp(device_get_config_bios("bios"), "dellxp60");
     fn = device_get_bios_file(machine_get_device(machine), device_get_config_bios("bios"), 0);
     if (is_dell)
-        ret = bios_load_linear(fn, 0x000e0000, 131072, 0);
+        ret = bios_load_linear_inverted(fn, 0x000e0000, 131072, 0);
     else {
         fn2 = device_get_bios_file(machine_get_device(machine), device_get_config_bios("bios"), 1);
         ret = bios_load_linear_combined(fn, fn2, 0x1c000, 128);

From e7b5e2907529c2393c5964807e0327bc3c11fb97 Mon Sep 17 00:00:00 2001
From: win2kgamer <47463859+win2kgamer@users.noreply.github.com>
Date: Thu, 28 Aug 2025 19:41:08 -0500
Subject: [PATCH 2/2] Fix KBC P1 readout for Batman and Plato, fixes boot hang

---
 src/machine/machine_table.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/machine/machine_table.c b/src/machine/machine_table.c
index 6fc09e548..c91394894 100644
--- a/src/machine/machine_table.c
+++ b/src/machine/machine_table.c
@@ -11390,7 +11390,7 @@ const machine_t machines[] = {
         .default_jumpered_ecp_dma = 3,
         .kbc_device = &kbc_at_device,
         .kbc_params = KBC_VEN_PHOENIX | 0x00012900,
-        .kbc_p1 = 0x00001010,
+        .kbc_p1 = 0x00001030,
         .gpio = 0xffffffff,
         .gpio_acpi = 0xffffffff,
         .device = &batman_device,
@@ -11976,7 +11976,7 @@ const machine_t machines[] = {
         .default_jumpered_ecp_dma = 3,
         .kbc_device = &kbc_at_device,
         .kbc_params = KBC_VEN_PHOENIX | 0x00012900,
-        .kbc_p1 = 0x00001010,
+        .kbc_p1 = 0x00001030,
         .gpio = 0xffffffff,
         .gpio_acpi = 0xffffffff,
         .device = &plato_device,