Added the PC’s Limited (Dell) 28608L/AT122.

src/include/86box/machine.h

@@ -477,6 +477,7 @@ extern int machine_at_kmxc02_init(const machine_t *);
 extern int machine_at_deskmaster286_init(const machine_t *);
 
 extern int machine_at_dells200_init(const machine_t *);
+extern int machine_at_at122_init(const machine_t *);
 extern int machine_at_tuliptc7_init(const machine_t *);
 
 extern int machine_at_pc8_init(const machine_t *);

src/machine/m_at_286_386sx.c

@@ -360,6 +360,22 @@ machine_at_dells200_init(const machine_t *model)
     return ret;
 }
 
+int
+machine_at_at122_init(const machine_t *model)
+{
+    int ret;
+
+    ret = bios_load_linear("roms/machines/at122/FINAL.BIN",
+                           0x000f0000, 65536, 0);
+
+    if (bios_only || !ret)
+        return ret;
+
+    machine_at_ctat_common_init(model);
+
+    return ret;
+}
+
 int
 machine_at_tuliptc7_init(const machine_t *model)
 {

src/machine/machine_table.c

@@ -3419,6 +3419,47 @@ const machine_t machines[] = {
         .snd_device = NULL,
         .net_device = NULL
     },
+    /* No proper pictures of the KBC exist, though it seems to have the IBM AT KBC
+       firmware. */
+    {
+        .name = "[C&T PC/AT] PC's Limited (Dell) 28608L/AT122",
+        .internal_name = "at122",
+        .type = MACHINE_TYPE_286,
+        .chipset = MACHINE_CHIPSET_CT_AT,
+        .init = machine_at_at122_init,
+        .p1_handler = NULL,
+        .gpio_handler = NULL,
+        .available_flag = MACHINE_AVAILABLE,
+        .gpio_acpi_handler = NULL,
+        .cpu = {
+            .package = CPU_PKG_286,
+            .block = CPU_BLOCK_NONE,
+            .min_bus = 6000000,
+            .max_bus = 12000000,
+            .min_voltage = 0,
+            .max_voltage = 0,
+            .min_multi = 0,
+            .max_multi = 0
+        },
+        .bus_flags = MACHINE_AT,
+        .flags = MACHINE_FLAGS_NONE,
+        .ram = {
+            .min = 640,
+            .max = 16384,
+            .step = 128
+        },
+        .nvrmask = 127,
+        .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
+    },
     /* No proper pictures of the KBC exist, though it seems to have the IBM AT KBC
        firmware. */
     {