add machine 'Multitech PC-900'

src/include/86box/machine.h

@@ -498,6 +498,7 @@ extern int             machine_at_cmdpc_init(const machine_t *);
 extern int             machine_at_portableii_init(const machine_t *);
 extern int             machine_at_portableiii_init(const machine_t *);
 extern int             machine_at_grid1520_init(const machine_t *);
+extern int             machine_at_mpfpc900_init(const machine_t *);
 extern int             machine_at_mr286_init(const machine_t *);
 extern int             machine_at_pc8_init(const machine_t *);
 extern int             machine_at_m290_init(const machine_t *);

src/machine/m_at_286.c

@@ -328,6 +328,27 @@ machine_at_grid1520_init(const machine_t *model) {
     return ret;
 }
 
+int
+machine_at_mpfpc900_init(const machine_t *model) {
+    int ret = 0;
+
+    ret = bios_load_linear("roms/machines/pc900/mpf_pc900_v207a.bin",
+                           0x000f8000, 32768, 0);
+
+    if (bios_only || !ret)
+        return ret;
+
+    machine_at_common_init(model);
+    device_add_params(machine_get_kbc_device(machine), (void *) model->kbc_params);
+
+    mem_remap_top(384);
+
+    if (fdc_current[0] == FDC_INTERNAL)
+        device_add(&fdc_at_device);
+
+    return ret;
+}
+
 int
 machine_at_mr286_init(const machine_t *model)
 {

src/machine/machine_table.c

@@ -3343,6 +3343,50 @@ const machine_t machines[] = {
         .net_device = NULL
     },
     /* Has IBM AT KBC firmware. */
+    {
+        .name = "[ISA] Multitech PC-900",
+        .internal_name = "mpfpc900",
+        .type = MACHINE_TYPE_286,
+        .chipset = MACHINE_CHIPSET_DISCRETE,
+        .init = machine_at_mpfpc900_init,
+        .p1_handler = machine_generic_p1_handler,
+        .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 = 10000000,
+            .min_voltage = 0,
+            .max_voltage = 0,
+            .min_multi = 0,
+            .max_multi = 0
+        },
+        .bus_flags = MACHINE_AT,
+        .flags = MACHINE_FLAGS_NONE,
+        .ram = {
+            .min = 256,
+            .max = 1024,
+            .step = 128
+        },
+        .nvrmask = 63,
+        .jumpered_ecp_dma = 0,
+        .default_jumpered_ecp_dma = -1,
+        .kbc_device = &kbc_at_device,
+        .kbc_params = 0x00000000,
+        .kbc_p1 = 0x000004f0,
+        .gpio = 0xffffffff,
+        .gpio_acpi = 0xffffffff,
+        .device = NULL,
+        .kbd_device = NULL,
+        .fdc_device = NULL,
+        .sio_device = NULL,
+        .vid_device = NULL,
+        .snd_device = NULL,
+        .net_device = NULL
+    },
+    /* Has IBM AT KBC firmware. */
     {
         .name = "[ISA] MR BIOS 286 clone",
         .internal_name = "mr286",