diff options
Diffstat (limited to 'src/mame/drivers/mephisto_mm2.cpp')
-rw-r--r-- | src/mame/drivers/mephisto_mm2.cpp | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/src/mame/drivers/mephisto_mm2.cpp b/src/mame/drivers/mephisto_mm2.cpp index d6f5768d7d1..63b8bd01515 100644 --- a/src/mame/drivers/mephisto_mm2.cpp +++ b/src/mame/drivers/mephisto_mm2.cpp @@ -5,11 +5,18 @@ Mephisto 4 + 5 Chess Computer 2007 Dirk V. -CPU: G65SC02P-4 or R65C02P3 -Clock: 4.9152 MHz -NMI CLK: 600 Hz -IRQ Line is set to VSS -8 KByte SRAM Sony CXK5864-15L +TODO: +- need to emulate TurboKit properly, also for mm5p (it's not as simple as a CPU + overclock plus ROM patch) + +=============================================================================== + +Hardware notes: +- CPU: G65SC02P-4 or R65C02P3/R65C02P4 +- Clock: 4.9152 MHz +- NMI CLK: 600 Hz +- IRQ Line is set to VSS +- 8 KByte SRAM Sony CXK5864-15L 1-CD74HC4060E: 14 Bit Counter 1-CD74HC166E @@ -52,6 +59,8 @@ $3000 // Chess Board $4000-7FFF Opening Modul HG550 $8000-$FFF ROM +=============================================================================== + Mephisto 4 Turbo Kit 18mhz - (mm4tk) This is a replacement rom combining the turbo kit initial rom with the original MM IV. The Turbo Kit powers up to it's tiny rom, copies itself to ram, banks in normal rom, @@ -70,11 +79,6 @@ http://chesseval.com/ChessEvalJournal/PrototypeMMV.htm MM VI (Saitek, 1994) is on different hardware, H8 CPU. - -TODO: -- need to emulate TurboKit properly, also for mm5p (it's not as simple as a CPU - overclock plus ROM patch) - ******************************************************************************/ #include "emu.h" @@ -120,7 +124,6 @@ public: void bup(machine_config &config); protected: - virtual void machine_start() override; virtual void machine_reset() override; private: @@ -140,10 +143,6 @@ private: u8 keys_r(offs_t offset); }; -void mm2_state::machine_start() -{ -} - void mm2_state::machine_reset() { m_display->reset(); |