diff --git a/src/CPU/386.c b/src/CPU/386.c
index 074fa9696..9cab89b54 100644
--- a/src/CPU/386.c
+++ b/src/CPU/386.c
@@ -70,6 +70,7 @@ uint32_t *eal_r, *eal_w;
 uint16_t *mod1add[2][8];
 uint32_t *mod1seg[8];
 
+#if 0
 static __inline void fetch_ea_32_long(uint32_t rmdat)
 {
         eal_r = eal_w = NULL;
@@ -184,6 +185,7 @@ static __inline void fetch_ea_16_long(uint32_t rmdat)
                 	eal_w = (uint32_t *)(writelookup2[addr >> 12] + addr);
         }
 }
+#endif
 
 #define fetch_ea_16(rmdat)              cpu_state.pc++; cpu_mod=(rmdat >> 6) & 3; cpu_reg=(rmdat >> 3) & 7; cpu_rm = rmdat & 7; if (cpu_mod != 3) { fetch_ea_16_long(rmdat); if (cpu_state.abrt) return 0; } 
 #define fetch_ea_32(rmdat)              cpu_state.pc++; cpu_mod=(rmdat >> 6) & 3; cpu_reg=(rmdat >> 3) & 7; cpu_rm = rmdat & 7; if (cpu_mod != 3) { fetch_ea_32_long(rmdat); } if (cpu_state.abrt) return 0
diff --git a/src/CPU/808x.c b/src/CPU/808x.c
index 3b21dc4dc..ad5940283 100644
--- a/src/CPU/808x.c
+++ b/src/CPU/808x.c
@@ -390,12 +390,14 @@ static __inline uint16_t geteaw()
         return readmemw(easeg,cpu_state.eaaddr);
 }
 
+#if 0
 static __inline uint16_t geteaw2()
 {
         if (cpu_mod == 3)
                 return cpu_state.regs[cpu_rm].w;
         return readmemw(easeg,(cpu_state.eaaddr+2)&0xFFFF);
 }
+#endif
 
 static __inline void seteab(uint8_t val)
 {
diff --git a/src/CPU/codegen_ops_x86.h b/src/CPU/codegen_ops_x86.h
index 3af481791..9fe64268d 100644
--- a/src/CPU/codegen_ops_x86.h
+++ b/src/CPU/codegen_ops_x86.h
@@ -2029,7 +2029,6 @@ static inline void FP_LOAD_S()
                 addbyte(0xdd); /*FSTP ST[reg][EBP]*/
                 addbyte(0x5d);
                 addbyte((uint8_t)cpu_state_offset(ST[(cpu_state.TOP - 1) & 7]));
-                block_current = block_current;
         }
         else
         {
diff --git a/src/CPU/x86_ops_misc.h b/src/CPU/x86_ops_misc.h
index 7734217eb..215f18d19 100644
--- a/src/CPU/x86_ops_misc.h
+++ b/src/CPU/x86_ops_misc.h
@@ -64,7 +64,7 @@ static int opSETALC(uint32_t fetchdat)
 
 static int opF6_a16(uint32_t fetchdat)
 {
-        int tempws, tempws2;
+        int tempws, tempws2 = 0;
         uint16_t tempw, src16;
         uint8_t src, dst;
         int8_t temps;
@@ -161,7 +161,7 @@ static int opF6_a16(uint32_t fetchdat)
 }
 static int opF6_a32(uint32_t fetchdat)
 {
-        int tempws, tempws2;
+        int tempws, tempws2 = 0;
         uint16_t tempw, src16;
         uint8_t src, dst;
         int8_t temps;
@@ -262,7 +262,7 @@ static int opF6_a32(uint32_t fetchdat)
 static int opF7_w_a16(uint32_t fetchdat)
 {
         uint32_t templ, templ2;
-        int tempws, tempws2;
+        int tempws, tempws2 = 0;
         int16_t temps16;
         uint16_t src, dst;
         
@@ -354,7 +354,7 @@ static int opF7_w_a16(uint32_t fetchdat)
 static int opF7_w_a32(uint32_t fetchdat)
 {
         uint32_t templ, templ2;
-        int tempws, tempws2;
+        int tempws, tempws2 = 0;
         int16_t temps16;
         uint16_t src, dst;
 
diff --git a/src/CPU/x86_ops_shift.h b/src/CPU/x86_ops_shift.h
index 0c5a31f06..5f0f57631 100644
--- a/src/CPU/x86_ops_shift.h
+++ b/src/CPU/x86_ops_shift.h
@@ -278,7 +278,7 @@ static int opC0_a16(uint32_t fetchdat)
 {
         int c;
         int tempc;
-        uint8_t temp, temp2;
+        uint8_t temp, temp2 = 0;
         
         fetch_ea_16(fetchdat);
         c = readmemb(cs, cpu_state.pc) & 31; cpu_state.pc++;
@@ -291,7 +291,7 @@ static int opC0_a32(uint32_t fetchdat)
 {
         int c;
         int tempc;
-        uint8_t temp, temp2;
+        uint8_t temp, temp2 = 0;
         
         fetch_ea_32(fetchdat);
         c = readmemb(cs, cpu_state.pc) & 31; cpu_state.pc++;
@@ -304,7 +304,7 @@ static int opC1_w_a16(uint32_t fetchdat)
 {
         int c;
         int tempc;
-        uint16_t temp, temp2;
+        uint16_t temp, temp2 = 0;
         
         fetch_ea_16(fetchdat);
         c = readmemb(cs, cpu_state.pc) & 31; cpu_state.pc++;
@@ -317,7 +317,7 @@ static int opC1_w_a32(uint32_t fetchdat)
 {
         int c;
         int tempc;
-        uint16_t temp, temp2;
+        uint16_t temp, temp2 = 0;
         
         fetch_ea_32(fetchdat);
         c = readmemb(cs, cpu_state.pc) & 31; cpu_state.pc++;
@@ -330,7 +330,7 @@ static int opC1_l_a16(uint32_t fetchdat)
 {
         int c;
         int tempc;
-        uint32_t temp, temp2;
+        uint32_t temp, temp2 = 0;
         
         fetch_ea_16(fetchdat);
         c = readmemb(cs, cpu_state.pc) & 31; cpu_state.pc++;
@@ -343,7 +343,7 @@ static int opC1_l_a32(uint32_t fetchdat)
 {
         int c;
         int tempc;
-        uint32_t temp, temp2;
+        uint32_t temp, temp2 = 0;
         
         fetch_ea_32(fetchdat);
         c = readmemb(cs, cpu_state.pc) & 31; cpu_state.pc++;
@@ -357,7 +357,7 @@ static int opD0_a16(uint32_t fetchdat)
 {
         int c = 1;
         int tempc;
-        uint8_t temp, temp2;
+        uint8_t temp, temp2 = 0;
         
         fetch_ea_16(fetchdat);
         temp = geteab();                if (cpu_state.abrt) return 1;
@@ -368,7 +368,7 @@ static int opD0_a32(uint32_t fetchdat)
 {
         int c = 1;
         int tempc;
-        uint8_t temp, temp2;
+        uint8_t temp, temp2 = 0;
         
         fetch_ea_32(fetchdat);
         temp = geteab();                if (cpu_state.abrt) return 1;
@@ -379,7 +379,7 @@ static int opD1_w_a16(uint32_t fetchdat)
 {
         int c = 1;
         int tempc;
-        uint16_t temp, temp2;
+        uint16_t temp, temp2 = 0;
         
         fetch_ea_16(fetchdat);
         temp = geteaw();                if (cpu_state.abrt) return 1;
@@ -390,7 +390,7 @@ static int opD1_w_a32(uint32_t fetchdat)
 {
         int c = 1;
         int tempc;
-        uint16_t temp, temp2;
+        uint16_t temp, temp2 = 0;
         
         fetch_ea_32(fetchdat);
         temp = geteaw();                if (cpu_state.abrt) return 1;
@@ -401,7 +401,7 @@ static int opD1_l_a16(uint32_t fetchdat)
 {
         int c = 1;
         int tempc;
-        uint32_t temp, temp2;
+        uint32_t temp, temp2 = 0;
         
         fetch_ea_16(fetchdat);
         temp = geteal();                if (cpu_state.abrt) return 1;
@@ -412,7 +412,7 @@ static int opD1_l_a32(uint32_t fetchdat)
 {
         int c = 1;
         int tempc;
-        uint32_t temp, temp2;
+        uint32_t temp, temp2 = 0;
         
         fetch_ea_32(fetchdat);
         temp = geteal();                if (cpu_state.abrt) return 1;
@@ -424,7 +424,7 @@ static int opD2_a16(uint32_t fetchdat)
 {
         int c;
         int tempc;
-        uint8_t temp, temp2;
+        uint8_t temp, temp2 = 0;
         
         fetch_ea_16(fetchdat);
         c = CL & 31;
@@ -436,7 +436,7 @@ static int opD2_a32(uint32_t fetchdat)
 {
         int c;
         int tempc;
-        uint8_t temp, temp2;
+        uint8_t temp, temp2 = 0;
         
         fetch_ea_32(fetchdat);
         c = CL & 31;
@@ -448,7 +448,7 @@ static int opD3_w_a16(uint32_t fetchdat)
 {
         int c;
         int tempc;
-        uint16_t temp, temp2;
+        uint16_t temp, temp2 = 0;
         
         fetch_ea_16(fetchdat);
         c = CL & 31;
@@ -460,7 +460,7 @@ static int opD3_w_a32(uint32_t fetchdat)
 {
         int c;
         int tempc;
-        uint16_t temp, temp2;
+        uint16_t temp, temp2 = 0;
         
         fetch_ea_32(fetchdat);
         c = CL & 31;
@@ -472,7 +472,7 @@ static int opD3_l_a16(uint32_t fetchdat)
 {
         int c;
         int tempc;
-        uint32_t temp, temp2;
+        uint32_t temp, temp2 = 0;
         
         fetch_ea_16(fetchdat);
         c = CL & 31;
@@ -484,7 +484,7 @@ static int opD3_l_a32(uint32_t fetchdat)
 {
         int c;
         int tempc;
-        uint32_t temp, temp2;
+        uint32_t temp, temp2 = 0;
         
         fetch_ea_32(fetchdat);
         c = CL & 31;
diff --git a/src/NETWORK/slirp/ip_icmp.c b/src/NETWORK/slirp/ip_icmp.c
index 3106147bd..7bd787863 100644
--- a/src/NETWORK/slirp/ip_icmp.c
+++ b/src/NETWORK/slirp/ip_icmp.c
@@ -201,12 +201,7 @@ end_error:
 
 #define ICMP_MAXDATALEN (IP_MSS-28)
 void
-icmp_error(msrc, type, code, minsize, message)
-     struct SLIRPmbuf *msrc;
-     u_char type;
-     u_char code;
-     int minsize;
-     char *message;
+icmp_error(struct SLIRPmbuf *msrc, u_char type, u_char code, int minsize, char *message)
 {
   unsigned hlen, shlen, s_ip_len;
   register struct ip *ip;
diff --git a/src/NETWORK/slirp/mbuf.h b/src/NETWORK/slirp/mbuf.h
index 13ef81523..4921506b5 100644
--- a/src/NETWORK/slirp/mbuf.h
+++ b/src/NETWORK/slirp/mbuf.h
@@ -67,7 +67,7 @@ struct m_hdr {
 	struct	SLIRPsocket *mh_so;
 	
 	SLIRPcaddr_t	mh_data;		/* Location of data */
-	size_t	mh_len;			/* Amount of data in this mbuf */
+	int32_t	mh_len;			/* Amount of data in this mbuf */
 };
 
 /* 
diff --git a/src/NETWORK/slirp/slirp.c b/src/NETWORK/slirp/slirp.c
index 785d971f5..7457f1340 100644
--- a/src/NETWORK/slirp/slirp.c
+++ b/src/NETWORK/slirp/slirp.c
@@ -253,10 +253,9 @@ int slirp_select_fill(int *pnfds,
 			/*
 			 * See if we need a tcp_fasttimo
 			 */
-			if(so->so_tcpcb!=0x0){
-			if(&so->so_tcpcb->t_flags!=0x0){		//This is to prevent a common lockup.
+			if(so->so_tcpcb!=0x0){				//This is to prevent a common lockup.
 			if (time_fasttimo == 0 && so->so_tcpcb->t_flags & TF_DELACK)
-				time_fasttimo = curtime; } }		/* Flag when we want a fasttimo */
+				time_fasttimo = curtime; }		/* Flag when we want a fasttimo */
 			
 			
 			/*
diff --git a/src/SOUND/midi.c b/src/SOUND/midi.c
index 7fb844f7f..bd62f28f6 100644
--- a/src/SOUND/midi.c
+++ b/src/SOUND/midi.c
@@ -199,7 +199,7 @@ void midi_write(uint8_t val)
                 {
                         midi_sysex_data[midi_pos++] = 0xf7;
 
-                        if ((midi_sysex_start) && (midi_pos >= 4) && (midi_pos <= 9) && (midi_sysex_data[1] == 0x411) && (midi_sysex_data[3] == 0x16))
+                        if ((midi_sysex_start) && (midi_pos >= 4) && (midi_pos <= 9) && (midi_sysex_data[1] == 0x41) && (midi_sysex_data[3] == 0x16))
                         {
                                 /* pclog("MIDI: Skipping invalid MT-32 SysEx MIDI message\n"); */
                         }
diff --git a/src/SOUND/snd_adlibgold.c b/src/SOUND/snd_adlibgold.c
index e03a9cf9b..2d16bfd7b 100644
--- a/src/SOUND/snd_adlibgold.c
+++ b/src/SOUND/snd_adlibgold.c
@@ -443,7 +443,7 @@ void adgold_write(uint16_t addr, uint8_t val, void *p)
 uint8_t adgold_read(uint16_t addr, void *p)
 {
         adgold_t *adgold = (adgold_t *)p;
-        uint8_t temp;
+        uint8_t temp = 0;
         
         switch (addr & 7)
         {
diff --git a/src/SOUND/snd_emu8k.c b/src/SOUND/snd_emu8k.c
index cd24b80f3..91822ea88 100644
--- a/src/SOUND/snd_emu8k.c
+++ b/src/SOUND/snd_emu8k.c
@@ -319,6 +319,7 @@ static inline int16_t EMU8K_READ(emu8k_t *emu8k, uint32_t addr)
         return emu8k->ram_pointers[addrmem.hb_address][addrmem.lw_address];
 }
 
+#if 0
 static inline int16_t EMU8K_READ_INTERP_LINEAR(emu8k_t *emu8k, uint32_t int_addr, uint16_t fract)
 {
         /* The interpolation in AWE32 used a so-called patented 3-point interpolation
@@ -331,6 +332,7 @@ static inline int16_t EMU8K_READ_INTERP_LINEAR(emu8k_t *emu8k, uint32_t int_addr
         dat1 += ((dat2-(int32_t)dat1)* fract) >> 16;
         return dat1;
 }
+#endif
 
 static inline int16_t EMU8K_READ_INTERP_CUBIC(emu8k_t *emu8k, uint32_t int_addr, uint16_t fract)
 {
diff --git a/src/SOUND/snd_mpu401.c b/src/SOUND/snd_mpu401.c
index e03211f59..61e2890f7 100644
--- a/src/SOUND/snd_mpu401.c
+++ b/src/SOUND/snd_mpu401.c
@@ -665,7 +665,7 @@ static void mpu401_write(uint16_t addr, uint8_t val, void *p)
 static uint8_t mpu401_read(uint16_t addr, void *p)
 {
         mpu_t *mpu = (mpu_t *)p;
-        uint8_t ret;
+        uint8_t ret = 0;
 		
 		switch (addr & 1)
 		{	
diff --git a/src/VIDEO/vid_ati28800.c b/src/VIDEO/vid_ati28800.c
index e1c0b6911..078ea47bf 100644
--- a/src/VIDEO/vid_ati28800.c
+++ b/src/VIDEO/vid_ati28800.c
@@ -307,7 +307,7 @@ void ati28800_recalctimings(svga_t *svga)
 {
         ati28800_t *ati28800 = (ati28800_t *)svga->p;
         uint8_t clock_sel = (svga->miscout >> 2) & 3;
-        double freq;
+        double freq = 0;
 
 #ifndef RELEASE_BUILD
         pclog("ati28800_recalctimings\n");
diff --git a/src/VIDEO/vid_ati_mach64.c b/src/VIDEO/vid_ati_mach64.c
index a7684dcd9..65ee359b4 100644
--- a/src/VIDEO/vid_ati_mach64.c
+++ b/src/VIDEO/vid_ati_mach64.c
@@ -3044,7 +3044,7 @@ void mach64_overlay_draw(svga_t *svga, int displine)
                 {
                         int h = h_acc >> 12;
                         int gr_cmp = 0, vid_cmp = 0;
-                        int use_video;
+                        int use_video = 0;
 
                         switch (video_key_fn)
                         {
diff --git a/src/VIDEO/vid_s3.c b/src/VIDEO/vid_s3.c
index cf5af510d..909d70699 100644
--- a/src/VIDEO/vid_s3.c
+++ b/src/VIDEO/vid_s3.c
@@ -1418,7 +1418,7 @@ uint8_t s3_accel_read(uint32_t addr, void *p)
 void s3_accel_start(int count, int cpu_input, uint32_t mix_dat, uint32_t cpu_dat, s3_t *s3)
 {
         svga_t *svga = &s3->svga;
-        uint32_t src_dat, dest_dat;
+        uint32_t src_dat = 0, dest_dat;
         int frgd_mix, bkgd_mix;
         int clip_t = s3->accel.multifunc[1] & 0xfff;
         int clip_l = s3->accel.multifunc[2] & 0xfff;
diff --git a/src/VIDEO/vid_voodoo.c b/src/VIDEO/vid_voodoo.c
index 1499bb992..02219ef1c 100644
--- a/src/VIDEO/vid_voodoo.c
+++ b/src/VIDEO/vid_voodoo.c
@@ -2848,7 +2848,7 @@ static void voodoo_half_triangle(voodoo_t *voodoo, voodoo_params_t *params, vood
 //                        if (voodoo->fbzMode & FBZ_RGB_WMASK)
                         {
                                 int update = 1;
-                                uint8_t cother_r, cother_g, cother_b, aother;
+                                uint8_t cother_r = 0, cother_g = 0, cother_b = 0, aother;
                                 uint8_t clocal_r, clocal_g, clocal_b, alocal;
                                 int src_r = 0, src_g = 0, src_b = 0, src_a = 0;
                                 int msel_r, msel_g, msel_b, msel_a;
diff --git a/src/VIDEO/vid_wy700.c b/src/VIDEO/vid_wy700.c
index 0091ba534..ef2277280 100644
--- a/src/VIDEO/vid_wy700.c
+++ b/src/VIDEO/vid_wy700.c
@@ -593,7 +593,7 @@ void wy700_cgaline(wy700_t *wy700)
 {
 	int x, c;
 	uint32_t dat;
-	uint8_t ink;
+	uint8_t ink = 0;
 	uint16_t addr;
 
 	uint16_t ma = (wy700->cga_crtc[13] | (wy700->cga_crtc[12] << 8)) & 0x3fff;
@@ -653,7 +653,7 @@ void wy700_medresline(wy700_t *wy700)
 {
 	int x, c;
 	uint32_t dat;
-	uint8_t ink;
+	uint8_t ink = 0;
 	uint32_t addr;
 
 	addr = (wy700->displine >> 1) * 80 + 4 * wy700->wy700_base;
@@ -711,7 +711,7 @@ void wy700_hiresline(wy700_t *wy700)
 {
 	int x, c;
 	uint32_t dat;
-	uint8_t ink;
+	uint8_t ink = 0;
 	uint32_t addr;
 
 	addr = (wy700->displine >> 1) * 160 + 4 * wy700->wy700_base;
diff --git a/src/disc_imd.c b/src/disc_imd.c
index 2017d1e96..f2a5c8217 100644
--- a/src/disc_imd.c
+++ b/src/disc_imd.c
@@ -314,8 +314,8 @@ int imd_track_is_xdf(int drive, int side, int track)
 	int i, effective_sectors, xdf_sectors;
 	int high_sectors, low_sectors;
 	int max_high_id, expected_high_count, expected_low_count;
-	char *r_map;
-	char *n_map;
+	uint8_t *r_map;
+	uint8_t *n_map;
 	char *data_base;
 	char *cur_data;
 
@@ -334,7 +334,7 @@ int imd_track_is_xdf(int drive, int side, int track)
 	{
 		return 0;
 	}
-	r_map = imd[drive].buffer + imd[drive].tracks[track][side].r_map_offs;
+	r_map = (uint8_t *) (imd[drive].buffer + imd[drive].tracks[track][side].r_map_offs);
 	data_base = imd[drive].buffer + imd[drive].tracks[track][side].data_offs;
 
 	if (!track)
@@ -382,7 +382,7 @@ int imd_track_is_xdf(int drive, int side, int track)
 			return 0;
 		}
 
-		n_map = imd[drive].buffer + imd[drive].tracks[track][side].n_map_offs;
+		n_map = (uint8_t *) (imd[drive].buffer + imd[drive].tracks[track][side].n_map_offs);
 
 		cur_data = data_base;
 		for (i = 0; i < imd[drive].tracks[track][side].params[3]; i++)
@@ -392,7 +392,7 @@ int imd_track_is_xdf(int drive, int side, int track)
 			{
 				effective_sectors--;
 			}
-			if ((r_map[i] == (n_map[i] | 0x80)))
+			if (r_map[i] == (n_map[i] | 0x80))
 			{
 				xdf_sectors++;
 				imd[drive].xdf_ordered_pos[(int) r_map[i]][side] = i;
diff --git a/src/nvr.c b/src/nvr.c
index f2c5c8659..03c642043 100644
--- a/src/nvr.c
+++ b/src/nvr.c
@@ -248,7 +248,7 @@ void loadnvr(void)
                 {
                         nvrram[RTC_SECONDS] = nvrram[RTC_MINUTES] = nvrram[RTC_HOURS] = 0;
                         nvrram[RTC_DOM] = nvrram[RTC_MONTH] = 1;
-                        nvrram[RTC_YEAR] = BCD(80);
+                        nvrram[RTC_YEAR] = (char) BCD(80);
                         nvrram[RTC_CENTURY] = BCD(19);
                         nvrram[RTC_REGB] = RTC_2412;
                 }
diff --git a/src/scsi_buslogic.c b/src/scsi_buslogic.c
index e7d6204bf..0c6c7471e 100644
--- a/src/scsi_buslogic.c
+++ b/src/scsi_buslogic.c
@@ -730,8 +730,8 @@ BuslogicMailboxIn(Buslogic_t *bl)
 	CmdBlock->common.TargetStatus = TargetStatus;		
 		
 	/* Rewrite the CCB up to the CDB. */
-	pclog("CCB rewritten to the CDB (pointer %08X, length %i)\n", CCBPointer, offsetof(CCBC, Cdb));
-	DMAPageWrite(CCBPointer, (char *)CmdBlock, offsetof(CCBC, Cdb));
+	pclog("CCB rewritten to the CDB (pointer %08X, length 18)\n", CCBPointer);
+	DMAPageWrite(CCBPointer, (char *)CmdBlock, 18);
     } else {
 	pclog("Mailbox not found!\n");
     }
@@ -2294,7 +2294,7 @@ BuslogicSenseBufferFree(Req_t *req, int Copy)
 	 */
 	if (req->Is24bit) {
 		SenseBufferAddress = req->CCBPointer;
-		SenseBufferAddress += req->CmdBlock.common.CdbLength + offsetof(CCB, Cdb);
+		SenseBufferAddress += req->CmdBlock.common.CdbLength + 18;
 	} else {
 		SenseBufferAddress = req->CmdBlock.new.SensePointer;
 	}
@@ -2461,7 +2461,7 @@ BuslogicProcessMailbox(Buslogic_t *bl)
     uint8_t CmdStatus = MBO_FREE;
     uint32_t CodeOffset = 0;
 
-    CodeOffset = bl->Mbx24bit ? offsetof(Mailbox_t, CmdStatus) : offsetof(Mailbox32_t, u.out.ActionCode);
+    CodeOffset = bl->Mbx24bit ? 0 : 7;
 
     if (! bl->StrictRoundRobinMode) {
 	uint8_t MailboxCur = bl->MailboxOutPosCur;
diff --git a/src/scsi_disk.c b/src/scsi_disk.c
index 1a7c95a65..c51e2a6da 100644
--- a/src/scsi_disk.c
+++ b/src/scsi_disk.c
@@ -231,7 +231,7 @@ void scsi_reloadhd(int id)
 {
 	int ret = 0;
 
-	if(hdc[id].prev_fn == NULL)
+	if(wcslen(hdc[id].prev_fn) == 0)
 	{
 		return;
 	}