diff options
Diffstat (limited to 'src/devices/cpu/m6809/hd6309.cpp')
-rw-r--r-- | src/devices/cpu/m6809/hd6309.cpp | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/src/devices/cpu/m6809/hd6309.cpp b/src/devices/cpu/m6809/hd6309.cpp index d47adcf4354..6be0164ceb6 100644 --- a/src/devices/cpu/m6809/hd6309.cpp +++ b/src/devices/cpu/m6809/hd6309.cpp @@ -442,7 +442,7 @@ inline void hd6309_device::bittest_set(bool result) inline uint16_t hd6309_device::read_exgtfr_register(uint8_t reg) { - uint16_t result; + uint16_t result = 0; switch(reg & 0x0F) { @@ -462,8 +462,6 @@ inline uint16_t hd6309_device::read_exgtfr_register(uint8_t reg) case 13: result = 0; break; // 0 case 14: result = ((uint16_t) m_q.r.e) << 8 | m_q.r.e; break; // E case 15: result = ((uint16_t) m_q.r.f) << 8 | m_q.r.f; break; // F - default: - fatalerror("Should not reach here"); } return result; @@ -495,8 +493,6 @@ inline void hd6309_device::write_exgtfr_register(uint8_t reg, uint16_t value) case 13: break; // 0 case 14: m_q.r.e = (uint8_t) (value >> 8); break; // E case 15: m_q.r.f = (uint8_t) (value >> 0); break; // F - default: - fatalerror("Should not reach here"); } } @@ -601,8 +597,6 @@ void hd6309_device::register_register_op() case 13: if (promote) set_regop16(m_temp); else set_regop8(m_temp.b.l); break; // 0 case 14: if (promote) set_regop16(m_q.p.w); else set_regop8(m_q.r.e); break; // E case 15: if (promote) set_regop16(m_q.p.w); else set_regop8(m_q.r.f); break; // F - default: - fatalerror("Should not reach here"); } // set source @@ -624,8 +618,6 @@ void hd6309_device::register_register_op() case 13: m_addressing_mode = ADDRESSING_MODE_ZERO; break; // 0 case 14: m_addressing_mode = promote ? ADDRESSING_MODE_REGISTER_W : ADDRESSING_MODE_REGISTER_E; break; // E case 15: m_addressing_mode = promote ? ADDRESSING_MODE_REGISTER_W : ADDRESSING_MODE_REGISTER_F; break; // F - default: - fatalerror("Should not reach here"); } // eat a single CPU cycle |