From b61751a6d0944482dfe2526a2538d0d40f6416ff Mon Sep 17 00:00:00 2001
From: Jasmine Iwanek <jasmine@iwanek.co.uk>
Date: Wed, 15 Jan 2025 23:45:00 -0500
Subject: [PATCH] CONFIG_BIOS for ibmat (5170)

---
 src/machine/m_at.c | 39 +++++++++++++++++++++++++++++++++------
 1 file changed, 33 insertions(+), 6 deletions(-)

diff --git a/src/machine/m_at.c b/src/machine/m_at.c
index fea87c8f6..93d111510 100644
--- a/src/machine/m_at.c
+++ b/src/machine/m_at.c
@@ -153,6 +153,29 @@ machine_at_ps2_ide_init(const machine_t *model)
 
 static const device_config_t ibmat_config[] = {
     // clang-format off
+    {
+        .name = "bios",
+        .description = "BIOS Version",
+        .type = CONFIG_BIOS,
+        .default_string = "ibm5170_111585",
+        .default_int = 0,
+        .file_filter = "",
+        .spinner = { 0 },
+        .bios = {
+            { .name = "62X082x (11/15/85)", .internal_name = "ibm5170_111585", .bios_type = BIOS_NORMAL,
+              .files_no = 2, .local = 0, .size = 65536, .files = { "roms/machines/ibmat/BIOS_5170_15NOV85_U27.BIN", "roms/machines/ibmat/BIOS_5170_15NOV85_U47.BIN", "" } },
+
+            { .name = "61X9266 (11/15/85) (Alt)", .internal_name = "ibm5170_111585_alt", .bios_type = BIOS_NORMAL,
+              .files_no = 2, .local = 0, .size = 65536, .files = { "roms/machines/ibmat/BIOS_5170_15NOV85_U27_61X9266.BIN", "roms/machines/ibmat/BIOS_5170_15NOV85_U47_61X9265.BIN", "" } },
+
+            { .name = "648009x (06/10/85)", .internal_name = "ibm5170_061085", .bios_type = BIOS_NORMAL,
+              .files_no = 2, .local = 0, .size = 65536, .files = { "roms/machines/ibmat/BIOS_5170_10JUN85_U27.BIN", "roms/machines/ibmat/BIOS_5170_10JUN85_U47.BIN", "" } },
+
+            { .name = "618102x (01/10/84)", .internal_name = "ibm5170_011084", .bios_type = BIOS_NORMAL,
+              .files_no = 2, .local = 0, .size = 65536, .files = { "roms/machines/ibmat/BIOS_5170_10JAN84_U27.BIN", "roms/machines/ibmat/BIOS_5170_10JAN84_U47.BIN", "" } },
+            { .files_no = 0 }
+        },
+    },
     {
         .name = "enable_5161",
         .description = "IBM 5161 Expansion Unit",
@@ -180,17 +203,21 @@ const device_t ibmat_device = {
 int
 machine_at_ibm_init(const machine_t *model)
 {
-    int     ret;
-    uint8_t enable_5161;
+    int         ret;
+    uint8_t     enable_5161;
+    const char *fn[2];
+
+    /* No ROMs available. */
+    if (!device_available(model->device))
+        return ret;
 
     device_context(model->device);
     enable_5161  = machine_get_config_int("enable_5161");
+    fn[0]        = device_get_bios_file(model->device, device_get_config_bios("bios"), 0);
+    fn[1]        = device_get_bios_file(model->device, device_get_config_bios("bios"), 1);
+    ret          = bios_load_interleaved(fn[0], fn[1], 0x000f0000, 65536, 0);
     device_context_restore();
 
-    ret = bios_load_interleaved("roms/machines/ibmat/62x0820.u27",
-                                "roms/machines/ibmat/62x0821.u47",
-                                0x000f0000, 65536, 0);
-
     if (bios_only || !ret)
         return ret;