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Diffstat (limited to 'src/emu/cpu/m6809/m6809inl.h')
-rw-r--r--src/emu/cpu/m6809/m6809inl.h42
1 files changed, 0 insertions, 42 deletions
diff --git a/src/emu/cpu/m6809/m6809inl.h b/src/emu/cpu/m6809/m6809inl.h
index 4959bcb7fda..8fd1cfe330d 100644
--- a/src/emu/cpu/m6809/m6809inl.h
+++ b/src/emu/cpu/m6809/m6809inl.h
@@ -126,48 +126,6 @@ inline ATTR_FORCE_INLINE void m6809_base_device::write_operand(int ordinal, UINT
//-------------------------------------------------
-// match_target_bytes
-//-------------------------------------------------
-
-inline ATTR_FORCE_INLINE bool m6809_base_device::match_target_bytes(UINT16 address, const UINT8 *bytes, int length)
-{
- UINT8 *start_raw = (UINT8 *) m_direct->read_raw_ptr(address);
- UINT8 *start_decrypted = (UINT8 *) m_direct->read_decrypted_ptr(address);
- UINT8 *end_raw = (UINT8 *) m_direct->read_raw_ptr(address + length - 1);
- UINT8 *end_decrypted = (UINT8 *) m_direct->read_decrypted_ptr(address + length - 1);
-
- return (start_raw != NULL)
- && (end_raw != NULL)
- && (start_raw == start_decrypted)
- && (end_raw == end_decrypted)
- && (start_raw + length - 1 == end_raw)
- && !memcmp(start_raw, bytes, length);
-}
-
-
-//-------------------------------------------------
-// burn_any_delay_loops - optimization for delay
-// loops
-//-------------------------------------------------
-
-inline ATTR_FORCE_INLINE void m6809_base_device::burn_any_delay_loops()
-{
- static const UINT8 target_bytes[] = { 0x30, 0x1F, 0x26, 0xFC };
-
- if ((m_opcode == 0x26)
- && !(m_cc & CC_Z)
- && !(machine().debug_flags & DEBUG_FLAG_CALL_HOOK)
- && match_target_bytes(m_pc.w - 3, target_bytes, ARRAY_LENGTH(target_bytes)))
- {
- // LEAX -1,X ; BNE *
- UINT16 burned_loops = MIN((int) m_x.w - 1, m_icount / 8);
- m_x.w -= burned_loops;
- eat(burned_loops * 8);
- }
-}
-
-
-//-------------------------------------------------
// daa - decimal arithmetic adjustment instruction
//-------------------------------------------------