diff options
Diffstat (limited to 'src/mess/drivers/hh_ucom4.c')
-rw-r--r-- | src/mess/drivers/hh_ucom4.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/src/mess/drivers/hh_ucom4.c b/src/mess/drivers/hh_ucom4.c index 910f216a920..e65d59b37b2 100644 --- a/src/mess/drivers/hh_ucom4.c +++ b/src/mess/drivers/hh_ucom4.c @@ -53,25 +53,25 @@ public: optional_device<speaker_sound_device> m_speaker; // misc common - UINT8 m_port[9]; - UINT16 m_inp_mux; + UINT8 m_port[9]; // MCU port A-I write data + UINT16 m_inp_mux; // multiplexed inputs mask UINT8 read_inputs(int columns); virtual void machine_start(); // display common - int m_display_wait; - int m_display_maxy; - int m_display_maxx; + 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 - UINT32 m_grid; - UINT32 m_plate; + UINT32 m_grid; // VFD current row data + UINT32 m_plate; // VFD current column data - UINT32 m_display_state[0x20]; - UINT32 m_display_cache[0x20]; - UINT8 m_display_decay[0x20][0x20]; - UINT16 m_7seg_mask[0x20]; + UINT32 m_display_state[0x20]; // display matrix rows data + UINT16 m_7seg_mask[0x20]; // if not 0, display matrix row is a 7seg, 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(); |