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Diffstat (limited to 'src/devices/cpu/tms9900/tms9980a.h')
-rw-r--r-- | src/devices/cpu/tms9900/tms9980a.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/devices/cpu/tms9900/tms9980a.h b/src/devices/cpu/tms9900/tms9980a.h new file mode 100644 index 00000000000..82492d6073a --- /dev/null +++ b/src/devices/cpu/tms9900/tms9980a.h @@ -0,0 +1,56 @@ +// license:BSD-3-Clause +// copyright-holders:Michael Zapf +/* + TMS9980A. + See tms9980a.c and tms9900.c for documentation +*/ + +#ifndef __TMS9980A_H__ +#define __TMS9980A_H__ + +#include "emu.h" +#include "debugger.h" +#include "tms9900.h" + +enum +{ + INT_9980A_RESET = 0, + INT_9980A_LOAD = 2, + INT_9980A_LEVEL1 = 3, + INT_9980A_LEVEL2 = 4, + INT_9980A_LEVEL3 = 5, + INT_9980A_LEVEL4 = 6, + INT_9980A_CLEAR= 7 +}; + +class tms9980a_device : public tms99xx_device +{ +public: + tms9980a_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + +protected: + void mem_read(void); + void mem_write(void); + void acquire_instruction(void); + + void resolve_lines(); + + UINT16 read_workspace_register_debug(int reg); + void write_workspace_register_debug(int reg, UINT16 data); + + UINT32 execute_min_cycles() const; + UINT32 execute_max_cycles() const; + UINT32 execute_input_lines() const; + void execute_set_input(int irqline, int state); + + UINT32 disasm_min_opcode_bytes() const; + UINT32 disasm_max_opcode_bytes() const; + offs_t disasm_disassemble(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, UINT32 options); + address_space_config m_program_config80; + address_space_config m_io_config80; +}; + +// device type definition +extern const device_type TMS9980A; + +#endif /* __TMS9980A_H__ */ |