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Diffstat (limited to 'src/devices/cpu/m68000/m68kmmu.h')
-rw-r--r--src/devices/cpu/m68000/m68kmmu.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/devices/cpu/m68000/m68kmmu.h b/src/devices/cpu/m68000/m68kmmu.h
index b519f63379f..ddb1ffbc2ee 100644
--- a/src/devices/cpu/m68000/m68kmmu.h
+++ b/src/devices/cpu/m68000/m68kmmu.h
@@ -309,7 +309,7 @@ void update_descriptor(const uint32_t tptr, const int type, const uint32_t entry
}
template<bool _long>
-void update_sr(const int type, const uint32_t tbl_entry)
+void update_sr(const int type, const uint32_t tbl_entry, const int fc)
{
switch(type)
{
@@ -334,7 +334,7 @@ void update_sr(const int type, const uint32_t tbl_entry)
m_mmu_tmp_sr |= M68K_MMU_SR_WRITE_PROTECT;
}
- if (_long && (tbl_entry & M68K_MMU_DF_SUPERVISOR))
+ if (_long && !(fc & 4) && (tbl_entry & M68K_MMU_DF_SUPERVISOR))
{
m_mmu_tmp_sr |= M68K_MMU_SR_SUPERVISOR_ONLY;
}
@@ -410,7 +410,7 @@ bool pmmu_walk_tables(uint32_t addr_in, int type, uint32_t table, const int fc,
MMULOG("SHORT DESC: %08x\n", tbl_entry);
table = tbl_entry & M68K_MMU_DF_ADDR_MASK;
- update_sr<0>(type, tbl_entry);
+ update_sr<0>(type, tbl_entry, fc);
if (!ptest)
{
update_descriptor(addr_out, type, tbl_entry, rw);
@@ -436,7 +436,7 @@ bool pmmu_walk_tables(uint32_t addr_in, int type, uint32_t table, const int fc,
MMULOG("LONG DESC: %08x %08x\n", tbl_entry, tbl_entry2);
table = tbl_entry2 & M68K_MMU_DF_ADDR_MASK;
- update_sr<1>(type, tbl_entry);
+ update_sr<1>(type, tbl_entry, fc);
if (!ptest)
{
update_descriptor(addr_out, type, tbl_entry, rw);