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-rw-r--r--src/mame/drivers/modellot.cpp38
1 files changed, 23 insertions, 15 deletions
diff --git a/src/mame/drivers/modellot.cpp b/src/mame/drivers/modellot.cpp
index edb1b3d6929..6f6c84b871f 100644
--- a/src/mame/drivers/modellot.cpp
+++ b/src/mame/drivers/modellot.cpp
@@ -42,12 +42,16 @@ All input must in UPPER case.
***********************************************************************************/
#include "emu.h"
+
#include "cpu/z80/z80.h"
#include "machine/keyboard.h"
+
#include "emupal.h"
#include "screen.h"
+namespace {
+
class modellot_state : public driver_device
{
public:
@@ -74,7 +78,7 @@ private:
u8 m_term_data = 0U;
void machine_start() override;
void machine_reset() override;
- memory_passthrough_handler *m_rom_shadow_tap;
+ memory_passthrough_handler m_rom_shadow_tap;
required_device<cpu_device> m_maincpu;
required_region_ptr<u8> m_rom;
required_shared_ptr<u8> m_ram;
@@ -126,20 +130,22 @@ void modellot_state::machine_reset()
address_space &program = m_maincpu->space(AS_PROGRAM);
program.install_rom(0x0000, 0x07ff, m_rom); // do it here for F3
- m_rom_shadow_tap = program.install_read_tap(0xe000, 0xe7ff, "rom_shadow_r",[this](offs_t offset, u8 &data, u8 mem_mask)
- {
- if (!machine().side_effects_disabled())
- {
- // delete this tap
- m_rom_shadow_tap->remove();
-
- // reinstall ram over the rom shadow
- m_maincpu->space(AS_PROGRAM).install_ram(0x0000, 0x07ff, m_ram);
- }
-
- // return the original data
- return data;
- });
+ m_rom_shadow_tap.remove();
+ m_rom_shadow_tap = program.install_read_tap(
+ 0xe000, 0xe7ff,
+ "rom_shadow_r",
+ [this] (offs_t offset, u8 &data, u8 mem_mask)
+ {
+ if (!machine().side_effects_disabled())
+ {
+ // delete this tap
+ m_rom_shadow_tap.remove();
+
+ // reinstall RAM over the ROM shadow
+ m_maincpu->space(AS_PROGRAM).install_ram(0x0000, 0x07ff, m_ram);
+ }
+ },
+ &m_rom_shadow_tap);
}
void modellot_state::machine_start()
@@ -246,6 +252,8 @@ ROM_START( modellot )
ROM_CONTINUE(0x600, 0x200)
ROM_END
+} // anonymous namespace
+
/* Driver */
COMP( 1979, modellot, 0, 0, modellot, modellot, modellot_state, empty_init, "General Processor", "Modello T", MACHINE_IS_SKELETON | MACHINE_SUPPORTS_SAVE )