summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/cpu/i386/i486ops.hxx
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/cpu/i386/i486ops.hxx')
-rw-r--r--src/devices/cpu/i386/i486ops.hxx8
1 files changed, 2 insertions, 6 deletions
diff --git a/src/devices/cpu/i386/i486ops.hxx b/src/devices/cpu/i386/i486ops.hxx
index 6946e463796..77e9ee3dd2d 100644
--- a/src/devices/cpu/i386/i486ops.hxx
+++ b/src/devices/cpu/i386/i486ops.hxx
@@ -44,15 +44,13 @@ void i386_device::i486_cpuid() // Opcode 0x0F A2
void i386_device::i486_invd() // Opcode 0x0f 08
{
- // TODO: manage the cache if present
- opcode_invd();
+ // Nothing to do ?
CYCLES(CYCLES_INVD);
}
void i386_device::i486_wbinvd() // Opcode 0x0f 09
{
- // TODO: manage the cache if present
- opcode_wbinvd();
+ // Nothing to do ?
}
void i386_device::i486_cmpxchg_rm8_r8() // Opcode 0x0f b0
@@ -235,8 +233,6 @@ void i386_device::i486_group0F01_16() // Opcode 0x0f 01
ea = GetEA(modrm,1);
}
WRITE16(ea, m_gdtr.limit);
- // Win32s requires all 32 bits to be stored here, despite various Intel docs
- // claiming that the upper 8 bits are either zeroed or undefined in 16-bit mode
WRITE32(ea + 2, m_gdtr.base);
CYCLES(CYCLES_SGDT);
break;