Fix Analyzer warnings.

In Xcode, type Command-Shift-B to analyze every source file or Command-Shift-Control-B to analyze the current source file.

For pseudo_dma_read report FIFO underrun and init data_word in that case.

devices/common/scsi/sc53c94.cpp

@@ -185,6 +185,10 @@ uint16_t Sc53C94::pseudo_dma_read()
             }
         }
     }
+    else {
+        LOG_F(ERROR, "SC53C94: FIFO underrun %d", data_fifo_pos);
+        data_word = 0;
+    }
 
     // see if we need to refill FIFO
     if (!this->data_fifo_pos && !is_done) {

devices/common/scsi/scsicdrom.cpp

@@ -28,7 +28,6 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 #include <machines/machineproperties.h>
 #include <memaccess.h>
 
-#include <cinttypes>
 #include <cstring>
 
 using namespace std;
@@ -239,7 +238,7 @@ static char Apple_Copyright_Page_Data[] = "APPLE COMPUTER, INC   ";
 void ScsiCdrom::mode_sense()
 {
     uint8_t page_code = this->cmd_buf[2] & 0x3F;
-    uint8_t alloc_len = this->cmd_buf[4];
+    //uint8_t alloc_len = this->cmd_buf[4];
 
     int num_blocks = this->size_blocks;
 

devices/sound/awacs.cpp

@@ -82,7 +82,8 @@ void AwacsBase::dma_out_start() {
 
     if (!this->out_stream_running) {
         if ((err = snd_server->start_out_stream())) {
-            LOG_F(ERROR, "%s: could not start sound output stream", this->name.c_str());
+            LOG_F(ERROR, "%s: could not start sound output stream: %d",
+                  this->name.c_str(), err);
         }
     }
 }

devices/sound/burgundy.cpp

@@ -62,7 +62,9 @@ uint32_t BurgundyCodec::snd_ctrl_read(uint32_t offset, int size) {
 }
 
 void BurgundyCodec::snd_ctrl_write(uint32_t offset, uint32_t value, int size) {
-    uint8_t reg_addr, cur_byte, last_byte;
+    uint8_t reg_addr;
+    uint8_t cur_byte;
+    //uint8_t last_byte;
 
     value = BYTESWAP_32(value);
 
@@ -71,7 +73,7 @@ void BurgundyCodec::snd_ctrl_write(uint32_t offset, uint32_t value, int size) {
         this->last_ctrl_data = value;
         reg_addr  = (value >> 12) & 0xFF;
         cur_byte  = (value >>  8) & 3;
-        last_byte = (value >> 10) & 3;
+        //last_byte = (value >> 10) & 3;
         if (value & BURGUNDY_REG_WR) {
             uint32_t mask = 0xFFU << (cur_byte * 8);
             this->reg_array[reg_addr] = (this->reg_array[reg_addr] & ~mask) |

machines/machinefactory.cpp

@@ -342,7 +342,7 @@ int MachineFactory::load_boot_rom(string& rom_filepath) {
     size_t   file_size;
     int      result = 0;
     uint32_t rom_load_addr;
-    AddressMapEntry *rom_reg;
+    //AddressMapEntry *rom_reg;
 
     rom_file.open(rom_filepath, ios::in | ios::binary);
     if (rom_file.fail()) {
@@ -373,7 +373,7 @@ int MachineFactory::load_boot_rom(string& rom_filepath) {
         MemCtrlBase* mem_ctrl = dynamic_cast<MemCtrlBase*>(
             gMachineObj->get_comp_by_type(HWCompType::MEM_CTRL));
 
-        if ((rom_reg = mem_ctrl->find_rom_region())) {
+        if ((/*rom_reg = */mem_ctrl->find_rom_region())) {
             mem_ctrl->set_data(rom_load_addr, sysrom_mem, (uint32_t)file_size);
         } else {
             LOG_F(ERROR, "Could not locate physical ROM region!");