diff --git a/src/cpu/x86_ops_mov_seg.h b/src/cpu/x86_ops_mov_seg.h
index da7727143..02a74eb9c 100644
--- a/src/cpu/x86_ops_mov_seg.h
+++ b/src/cpu/x86_ops_mov_seg.h
@@ -231,6 +231,7 @@ static int opLDS_w_a16(uint32_t fetchdat)
         fetch_ea_16(fetchdat);
         ILLEGAL_ON(cpu_mod == 3);
         SEG_CHECK_READ(cpu_state.ea_seg);
+        CHECK_READ(cpu_state.ea_seg, cpu_state.eaaddr, cpu_state. eaaddr + 3);
         addr = readmemw(easeg, cpu_state.eaaddr);
         seg = readmemw(easeg, cpu_state.eaaddr + 2);      if (cpu_state.abrt) return 1;
         loadseg(seg, &cpu_state.seg_ds);                  if (cpu_state.abrt) return 1;
@@ -247,6 +248,7 @@ static int opLDS_w_a32(uint32_t fetchdat)
         fetch_ea_32(fetchdat);
         ILLEGAL_ON(cpu_mod == 3);
         SEG_CHECK_READ(cpu_state.ea_seg);
+        CHECK_READ(cpu_state.ea_seg, cpu_state.eaaddr, cpu_state. eaaddr + 3);
         addr = readmemw(easeg, cpu_state.eaaddr);
         seg = readmemw(easeg, cpu_state.eaaddr + 2);      if (cpu_state.abrt) return 1;
         loadseg(seg, &cpu_state.seg_ds);                  if (cpu_state.abrt) return 1;
@@ -264,6 +266,7 @@ static int opLDS_l_a16(uint32_t fetchdat)
         fetch_ea_16(fetchdat);
         ILLEGAL_ON(cpu_mod == 3);
         SEG_CHECK_READ(cpu_state.ea_seg);
+        CHECK_READ(cpu_state.ea_seg, cpu_state.eaaddr, cpu_state. eaaddr + 5);
         addr = readmeml(easeg, cpu_state.eaaddr);
         seg = readmemw(easeg, cpu_state.eaaddr + 4);      if (cpu_state.abrt) return 1;
         loadseg(seg, &cpu_state.seg_ds);                  if (cpu_state.abrt) return 1;
@@ -281,6 +284,7 @@ static int opLDS_l_a32(uint32_t fetchdat)
         fetch_ea_32(fetchdat);
         ILLEGAL_ON(cpu_mod == 3);
         SEG_CHECK_READ(cpu_state.ea_seg);
+        CHECK_READ(cpu_state.ea_seg, cpu_state.eaaddr, cpu_state. eaaddr + 5);
         addr = readmeml(easeg, cpu_state.eaaddr);
         seg = readmemw(easeg, cpu_state.eaaddr + 4);      if (cpu_state.abrt) return 1;
         loadseg(seg, &cpu_state.seg_ds);                  if (cpu_state.abrt) return 1;
@@ -298,6 +302,7 @@ static int opLSS_w_a16(uint32_t fetchdat)
         fetch_ea_16(fetchdat);
         ILLEGAL_ON(cpu_mod == 3);
         SEG_CHECK_READ(cpu_state.ea_seg);
+        CHECK_READ(cpu_state.ea_seg, cpu_state.eaaddr, cpu_state.eaaddr + 3);
         addr = readmemw(easeg, cpu_state.eaaddr);
         seg = readmemw(easeg, cpu_state.eaaddr + 2);      if (cpu_state.abrt) return 1;
         loadseg(seg, &cpu_state.seg_ss);                  if (cpu_state.abrt) return 1;
@@ -314,6 +319,7 @@ static int opLSS_w_a32(uint32_t fetchdat)
         fetch_ea_32(fetchdat);
         ILLEGAL_ON(cpu_mod == 3);
         SEG_CHECK_READ(cpu_state.ea_seg);
+        CHECK_READ(cpu_state.ea_seg, cpu_state.eaaddr, cpu_state.eaaddr + 3);
         addr = readmemw(easeg, cpu_state.eaaddr);
         seg = readmemw(easeg, cpu_state.eaaddr + 2);      if (cpu_state.abrt) return 1;
         loadseg(seg, &cpu_state.seg_ss);                  if (cpu_state.abrt) return 1;
@@ -331,6 +337,7 @@ static int opLSS_l_a16(uint32_t fetchdat)
         fetch_ea_16(fetchdat);
         ILLEGAL_ON(cpu_mod == 3);
         SEG_CHECK_READ(cpu_state.ea_seg);
+        CHECK_READ(cpu_state.ea_seg, cpu_state.eaaddr, cpu_state.eaaddr + 5);
         addr = readmeml(easeg, cpu_state.eaaddr);
         seg = readmemw(easeg, cpu_state.eaaddr + 4);      if (cpu_state.abrt) return 1;
         loadseg(seg, &cpu_state.seg_ss);                  if (cpu_state.abrt) return 1;
@@ -348,6 +355,7 @@ static int opLSS_l_a32(uint32_t fetchdat)
         fetch_ea_32(fetchdat);
         ILLEGAL_ON(cpu_mod == 3);
         SEG_CHECK_READ(cpu_state.ea_seg);
+        CHECK_READ(cpu_state.ea_seg, cpu_state.eaaddr, cpu_state.eaaddr + 5);
         addr = readmeml(easeg, cpu_state.eaaddr);
         seg = readmemw(easeg, cpu_state.eaaddr + 4);      if (cpu_state.abrt) return 1;
         loadseg(seg, &cpu_state.seg_ss);                  if (cpu_state.abrt) return 1;
@@ -366,6 +374,7 @@ static int opLSS_l_a32(uint32_t fetchdat)
                 fetch_ea_16(fetchdat);                                          \
                 SEG_CHECK_READ(cpu_state.ea_seg);                               \
                 ILLEGAL_ON(cpu_mod == 3);                                           \
+                CHECK_READ(cpu_state.ea_seg, cpu_state.eaaddr, cpu_state.eaaddr + 3); \
                 addr = readmemw(easeg, cpu_state.eaaddr);                                 \
                 seg = readmemw(easeg, cpu_state.eaaddr + 2);      if (cpu_state.abrt) return 1;     \
                 loadseg(seg, &sel);                     if (cpu_state.abrt) return 1;     \
@@ -383,6 +392,7 @@ static int opLSS_l_a32(uint32_t fetchdat)
                 fetch_ea_32(fetchdat);                                          \
                 SEG_CHECK_READ(cpu_state.ea_seg);                               \
                 ILLEGAL_ON(cpu_mod == 3);                                           \
+                CHECK_READ(cpu_state.ea_seg, cpu_state.eaaddr, cpu_state.eaaddr + 3); \
                 addr = readmemw(easeg, cpu_state.eaaddr);                                 \
                 seg = readmemw(easeg, cpu_state.eaaddr + 2);      if (cpu_state.abrt) return 1;     \
                 loadseg(seg, &sel);                     if (cpu_state.abrt) return 1;     \
@@ -401,6 +411,7 @@ static int opLSS_l_a32(uint32_t fetchdat)
                 fetch_ea_16(fetchdat);                                          \
                 SEG_CHECK_READ(cpu_state.ea_seg);                               \
                 ILLEGAL_ON(cpu_mod == 3);                                           \
+                CHECK_READ(cpu_state.ea_seg, cpu_state.eaaddr, cpu_state.eaaddr + 5); \
                 addr = readmeml(easeg, cpu_state.eaaddr);                                 \
                 seg = readmemw(easeg, cpu_state.eaaddr + 4);      if (cpu_state.abrt) return 1;     \
                 loadseg(seg, &sel);                     if (cpu_state.abrt) return 1;     \
@@ -419,6 +430,7 @@ static int opLSS_l_a32(uint32_t fetchdat)
                 fetch_ea_32(fetchdat);                                          \
                 SEG_CHECK_READ(cpu_state.ea_seg);                               \
                 ILLEGAL_ON(cpu_mod == 3);                                           \
+                CHECK_READ(cpu_state.ea_seg, cpu_state.eaaddr, cpu_state.eaaddr + 5); \
                 addr = readmeml(easeg, cpu_state.eaaddr);                                 \
                 seg = readmemw(easeg, cpu_state.eaaddr + 4);      if (cpu_state.abrt) return 1;     \
                 loadseg(seg, &sel);                     if (cpu_state.abrt) return 1;     \