diff options
Diffstat (limited to 'src/devices/bus/odyssey2/ktaa.h')
-rw-r--r-- | src/devices/bus/odyssey2/ktaa.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/devices/bus/odyssey2/ktaa.h b/src/devices/bus/odyssey2/ktaa.h new file mode 100644 index 00000000000..e1ac477e445 --- /dev/null +++ b/src/devices/bus/odyssey2/ktaa.h @@ -0,0 +1,45 @@ +// license:BSD-3-Clause +// copyright-holders:Wilbert Pol, Fabio Priuli, hap +/********************************************************************** + + Homebrew KTAA cartridge emulation + +**********************************************************************/ + +#ifndef MAME_BUS_ODYSSEY2_KTAA_H +#define MAME_BUS_ODYSSEY2_KTAA_H + +#pragma once + +#include "slot.h" + + +// ======================> o2_ktaa_device + +class o2_ktaa_device : public device_t, + public device_o2_cart_interface +{ +public: + // construction/destruction + o2_ktaa_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + +protected: + // device-level overrides + virtual void device_start() override; + + virtual void cart_init() override; + + virtual u8 read_rom04(offs_t offset) override; + virtual u8 read_rom0c(offs_t offset) override; + + virtual void write_p1(u8 data) override { m_bank = data & m_bank_mask; } + +private: + u8 m_bank_mask = 0; + u8 m_bank = 0; +}; + +// device type definition +DECLARE_DEVICE_TYPE(O2_ROM_KTAA, o2_ktaa_device) + +#endif // MAME_BUS_ODYSSEY2_KTAA_H |