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m68kcpu.cpp: Continuation of note (nw)

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AJR 2019-04-05 09:26:04 -04:00
parent 7769fed424
commit c6511820b8
1 changed files with 1 additions and 0 deletions
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src/devices/cpu/m68000/m68kcpu.cpp
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@ -2135,6 +2135,7 @@ void m68000_base_device::m68ki_exception_interrupt(uint32_t int_level)
vector, including for spurious interrupts. */ vector, including for spurious interrupts. */
// 68000 and 68010 assert UDS as well as LDS for IACK cycles but disregard D8-D15 // 68000 and 68010 assert UDS as well as LDS for IACK cycles but disregard D8-D15
// 68008 definitely reads only one byte from CPU space, and the 68020 byte-sizes the request
if(CPU_TYPE_IS_EC020_PLUS() || m_cpu_type == CPU_TYPE_008) if(CPU_TYPE_IS_EC020_PLUS() || m_cpu_type == CPU_TYPE_008)
vector = m_cpu_space->read_byte(0xfffffff1 | (int_level << 1)); vector = m_cpu_space->read_byte(0xfffffff1 | (int_level << 1));
else else