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Diffstat (limited to 'src/mame/includes/hh_tms1k.h')
-rw-r--r-- | src/mame/includes/hh_tms1k.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/mame/includes/hh_tms1k.h b/src/mame/includes/hh_tms1k.h new file mode 100644 index 00000000000..edcea970b64 --- /dev/null +++ b/src/mame/includes/hh_tms1k.h @@ -0,0 +1,86 @@ +// license:BSD-3-Clause +// copyright-holders:hap, Sean Riddle, Kevin Horton +/* + + TMS1000 MCU series tabletops/handhelds or other simple devices. + +*/ + +#ifndef _HH_TMS1K_H_ +#define _HH_TMS1K_H_ + + +#include "emu.h" +#include "cpu/tms0980/tms0980.h" +#include "sound/speaker.h" + + +class hh_tms1k_state : public driver_device +{ +public: + hh_tms1k_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu"), + m_inp_matrix(*this, "IN"), + m_speaker(*this, "speaker"), + m_display_wait(33), + m_display_maxy(1), + m_display_maxx(0) + { } + + // devices + required_device<cpu_device> m_maincpu; + optional_ioport_array<11> m_inp_matrix; // max 11 + optional_device<speaker_sound_device> m_speaker; + + // misc common + UINT16 m_r; // MCU R-pins data + UINT16 m_o; // MCU O-pins data + UINT16 m_inp_mux; // multiplexed inputs mask + bool m_power_on; + bool m_power_led; + + UINT8 read_inputs(int columns); + DECLARE_INPUT_CHANGED_MEMBER(power_button); + DECLARE_WRITE_LINE_MEMBER(auto_power_off); + + // display common + int m_display_wait; // led/lamp off-delay in microseconds (default 33ms) + int m_display_maxy; // display matrix number of rows + int m_display_maxx; // display matrix number of columns (max 31 for now) + + UINT32 m_grid; // VFD current row data + UINT32 m_plate; // VFD current column data + + UINT32 m_display_state[0x20]; // display matrix rows data (last bit is used for always-on) + UINT16 m_display_segmask[0x20]; // if not 0, display matrix row is a digit, mask indicates connected segments + UINT32 m_display_cache[0x20]; // (internal use) + UINT8 m_display_decay[0x20][0x20]; // (internal use) + + TIMER_DEVICE_CALLBACK_MEMBER(display_decay_tick); + void display_update(); + void set_display_size(int maxx, int maxy); + void display_matrix(int maxx, int maxy, UINT32 setx, UINT32 sety); + void display_matrix_seg(int maxx, int maxy, UINT32 setx, UINT32 sety, UINT16 segmask); + +protected: + virtual void machine_start(); + virtual void machine_reset(); +}; + + +// LED segments +enum +{ + lA = 0x01, + lB = 0x02, + lC = 0x04, + lD = 0x08, + lE = 0x10, + lF = 0x20, + lG = 0x40, + lDP = 0x80 +}; + + +#endif /* _HH_TMS1K_H_ */ |