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Diffstat (limited to 'src/devices/cpu/z80/nsc800.h')
-rw-r--r-- | src/devices/cpu/z80/nsc800.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/devices/cpu/z80/nsc800.h b/src/devices/cpu/z80/nsc800.h new file mode 100644 index 00000000000..aa05d2adf51 --- /dev/null +++ b/src/devices/cpu/z80/nsc800.h @@ -0,0 +1,38 @@ +// license:BSD-3-Clause +// copyright-holders:Juergen Buchmueller +#ifndef MAME_CPU_Z80_NSC800_H +#define MAME_CPU_Z80_NSC800_H + +#pragma once + +#include "z80.h" + +enum +{ + NSC800_RSTA = Z80_INPUT_LINE_MAX, + NSC800_RSTB, + NSC800_RSTC +}; + + +class nsc800_device : public z80_device +{ +public: + nsc800_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); + +protected: + // device_t implementation + virtual void device_start() override ATTR_COLD; + virtual void device_reset() override ATTR_COLD; + + // device_execute_interface implementation + virtual void execute_run() override; + virtual void execute_set_input(int inputnum, int state) override; + + u8 m_nsc800_irq_state[3]; // state of NSC800 restart interrupts A, B, C +}; + +DECLARE_DEVICE_TYPE(NSC800, nsc800_device) + + +#endif // MAME_CPU_Z80_NSC800_H |