diff options
author | hap <happppp@users.noreply.github.com> | 2021-05-06 14:28:15 +0200 |
---|---|---|
committer | hap <happppp@users.noreply.github.com> | 2021-05-06 14:28:28 +0200 |
commit | 3339a55c6c782b27c2efe52c400c10e451b2a751 (patch) | |
tree | d026b29af19469083472486ef170eda549fa6270 /src/mame/drivers | |
parent | 9b09093f1b19739ddde95131059dcf9a3f47aeee (diff) |
savant: add a side_effects_disabled guard
Diffstat (limited to 'src/mame/drivers')
-rw-r--r-- | src/mame/drivers/fidel_eag68k.cpp | 1 | ||||
-rw-r--r-- | src/mame/drivers/fidel_sc6.cpp | 2 | ||||
-rw-r--r-- | src/mame/drivers/novag_savant.cpp | 27 |
3 files changed, 14 insertions, 16 deletions
diff --git a/src/mame/drivers/fidel_eag68k.cpp b/src/mame/drivers/fidel_eag68k.cpp index 333d2f28136..083f7bb5cad 100644 --- a/src/mame/drivers/fidel_eag68k.cpp +++ b/src/mame/drivers/fidel_eag68k.cpp @@ -826,6 +826,7 @@ ROM_END } // anonymous namespace + /****************************************************************************** Drivers ******************************************************************************/ diff --git a/src/mame/drivers/fidel_sc6.cpp b/src/mame/drivers/fidel_sc6.cpp index 58918df1872..25fd6682510 100644 --- a/src/mame/drivers/fidel_sc6.cpp +++ b/src/mame/drivers/fidel_sc6.cpp @@ -61,7 +61,7 @@ Silver Bullet hardware notes: - buzzer, 16 leds, 8*8 chessboard buttons, module slot To summarize, known MCU chip ROM serials+year: -- 100-1020B01 (1989), The Gambit +- 100-1020B01 (1989), The Gambit, Designer 1500, Peri Beta - 100-1020B02 (1986), Silver Bullet - 100-1020B02 (1987), The Classic - 100-1020C01 (1987), Gambit Voice diff --git a/src/mame/drivers/novag_savant.cpp b/src/mame/drivers/novag_savant.cpp index 78c0a3cda72..5330255e3f3 100644 --- a/src/mame/drivers/novag_savant.cpp +++ b/src/mame/drivers/novag_savant.cpp @@ -25,6 +25,7 @@ TODO: ******************************************************************************/ #include "emu.h" + #include "cpu/z80/z80.h" #include "cpu/f8/f8.h" #include "machine/f3853.h" @@ -89,7 +90,7 @@ private: void nvram_w(offs_t offset, u8 data); u8 nvram_r(offs_t offset); u8 stall_r(offs_t offset); - void stall_w(offs_t offset, u8 data); + void stall_w(offs_t offset, u8 data = 0); u8 mcustatus_r(); void lcd1_output_w(u64 data); @@ -102,22 +103,15 @@ private: void lcd_w(u8 data); u8 input_r(); - bool m_wait_in; - u8 m_inp_mux; - u8 m_databus; - u8 m_control; - u64 m_lcd_data; + bool m_wait_in = false; + u8 m_inp_mux = 0; + u8 m_databus = 0; + u8 m_control = 0; + u64 m_lcd_data = 0; }; void savant_state::machine_start() { - // zerofill - m_wait_in = false; - m_inp_mux = 0; - m_databus = 0; - m_control = 0; - m_lcd_data = 0; - // register for savestates save_item(NAME(m_wait_in)); save_item(NAME(m_inp_mux)); @@ -156,8 +150,11 @@ void savant_state::stall_w(offs_t offset, u8 data) u8 savant_state::stall_r(offs_t offset) { - m_wait_in = true; - stall_w(offset, 0); + if (!machine().side_effects_disabled()) + { + m_wait_in = true; + stall_w(offset); + } // return value is databus (see control_w) return 0; |