diff options
author | 2022-05-25 13:09:36 +1000 | |
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committer | 2022-05-25 13:09:36 +1000 | |
commit | 6e688ce48e5f6cf470ff8b28cb8b0b2e0df7cb0a (patch) | |
tree | a81c546b1fff91f2f4306aa8ab1f2686b6f92461 | |
parent | f383ae926d3efff1af7e7ddff0cee28b9e18149b (diff) |
pps4: new variables need to be saved.
-rw-r--r-- | src/devices/cpu/pps4/pps4.cpp | 10 | ||||
-rw-r--r-- | src/devices/cpu/pps4/pps4.h | 1 |
2 files changed, 4 insertions, 7 deletions
diff --git a/src/devices/cpu/pps4/pps4.cpp b/src/devices/cpu/pps4/pps4.cpp index 6b3c3c7ea20..1a44fa2a39b 100644 --- a/src/devices/cpu/pps4/pps4.cpp +++ b/src/devices/cpu/pps4/pps4.cpp @@ -155,7 +155,6 @@ std::unique_ptr<util::disasm_interface> pps4_device::create_disassembler() inline u8 pps4_device::ROP() { const u8 op = m_cache.read_byte(m_P & 0xFFF); - m_Ip = m_I1; // save previous opcode m_P = (m_P + 1) & 0xFFF; m_icount -= 1; return op; @@ -1573,7 +1572,8 @@ void pps4_device::device_start() save_item(NAME(m_FF2)); save_item(NAME(m_I1)); save_item(NAME(m_I2)); - save_item(NAME(m_Ip)); + save_item(NAME(m_wasldi)); + save_item(NAME(m_waslbl)); state_add( PPS4_PC, "PC", m_P ).mask(0xFFF).formatstr("%03X"); state_add( PPS4_A, "A", m_A ).formatstr("%01X"); @@ -1585,7 +1585,6 @@ void pps4_device::device_start() state_add( PPS4_B, "B", m_B ).formatstr("%03X"); state_add( PPS4_I1, "I1", m_I1 ).formatstr("%02X").noshow(); state_add( PPS4_I2, "I2", m_I2 ).formatstr("%02X").noshow(); - state_add( PPS4_Ip, "Ip", m_Ip ).formatstr("%02X").noshow(); state_add( STATE_GENPC, "GENPC", m_P ).noshow(); state_add( STATE_GENPCBASE,"CURPC", m_P ).noshow(); state_add( STATE_GENFLAGS, "GENFLAGS", m_C).formatstr("%3s").noshow(); @@ -1634,9 +1633,8 @@ void pps4_device::device_reset() m_FF2 = 0; // Flip-flop 2 m_I1 = 0; // Most recent instruction I(8:1) m_I2 = 0; // Most recent parameter I2(8:1) - m_Ip = 0; // Previous instruction I(8:1) - m_wasldi = 0; - m_waslbl = 0; + m_wasldi = 0; // was last instruction LDI? + m_waslbl = 0; // was last instruction LB/LBL? } void pps4_2_device::device_reset() diff --git a/src/devices/cpu/pps4/pps4.h b/src/devices/cpu/pps4/pps4.h index 6cdc7799343..4b9b82f37c0 100644 --- a/src/devices/cpu/pps4/pps4.h +++ b/src/devices/cpu/pps4/pps4.h @@ -100,7 +100,6 @@ protected: u8 m_FF2; //!< Flip-flop 2 u8 m_I1; //!< Most recent instruction I(8:1) u8 m_I2; //!< Most recent parameter I2(8:1) - u8 m_Ip; //!< Previous instruction I(8:1) //! return memory at address B(12:1) inline u8 M(); |