Various improvements & Cleanups

Some ported from ANightly's work

src/device/CMakeLists.txt

@@ -57,7 +57,7 @@ add_library(dev OBJECT
     mouse_microtouch_touchscreen.c
 )
 
-if(NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+if(NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND NOT MSVC)
     target_link_libraries(86Box atomic)
 endif()
 

src/device/serial_passthrough.c

@@ -282,8 +282,8 @@ static const device_config_t serial_passthrough_config[] = {
         .type = CONFIG_SERPORT,
         .default_string = "",
         .file_filter = NULL,
-        .spinner = {},
-        .selection = {}
+        .spinner = { 0 },
+        .selection = { { 0 } }
     },
 #ifdef _WIN32
     {
@@ -292,8 +292,8 @@ static const device_config_t serial_passthrough_config[] = {
         .type = CONFIG_STRING,
         .default_string = "\\\\.\\pipe\\86Box\\test",
         .file_filter = NULL,
-        .spinner = {},
-        .selection = {}
+        .spinner = { 0 },
+        .selection = { { 0 } }
     },
 #endif
     {

src/device/unittester.c

@@ -104,8 +104,8 @@ struct unittester_state {
     /* 0x04: Exit */
     uint8_t exit_code;
 };
-static struct unittester_state       unittester;
-static const struct unittester_state unittester_defaults = {
+static struct unittester_state unittester;
+static struct unittester_state unittester_defaults = {
     .trigger_port = 0x0080,
     .iobase_port  = 0xFFFF,
     .fsm1         = UT_FSM1_WAIT_8,
@@ -589,7 +589,7 @@ unittester_trigger_write(UNUSED(uint16_t port), uint8_t val, UNUSED(void *priv))
 static void *
 unittester_init(UNUSED(const device_t *info))
 {
-    unittester = (struct unittester_state) unittester_defaults;
+    unittester = unittester_defaults;
 
     unittester_exit_enabled = !!device_get_config_int("exit_enabled");