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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
commit3339a55c6c782b27c2efe52c400c10e451b2a751 (patch)
treed026b29af19469083472486ef170eda549fa6270 /src/mame/drivers
parent9b09093f1b19739ddde95131059dcf9a3f47aeee (diff)
savant: add a side_effects_disabled guard
Diffstat (limited to 'src/mame/drivers')
-rw-r--r--src/mame/drivers/fidel_eag68k.cpp1
-rw-r--r--src/mame/drivers/fidel_sc6.cpp2
-rw-r--r--src/mame/drivers/novag_savant.cpp27
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;