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(MESS) gb.c: Reduce tagmap lookups. (nw)

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This commit is contained in:
Wilbert Pol 2014-03-23 19:09:36 +00:00
parent 4f1cb65d3e
commit 596b902d76
2 changed files with 12 additions and 9 deletions
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4
src/mess/includes/gb.h
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@ -52,7 +52,8 @@ public:
m_region_maincpu(*this, "maincpu"), m_region_maincpu(*this, "maincpu"),
m_rambank(*this, "cgb_ram"), m_rambank(*this, "cgb_ram"),
m_inputs(*this, "INPUTS"), m_inputs(*this, "INPUTS"),
m_ram(*this, RAM_TAG) { } m_ram(*this, RAM_TAG),
m_lcd(*this, "lcd") { }
//gb_state driver_data; //gb_state driver_data;
UINT8 m_gb_io[0x10]; UINT8 m_gb_io[0x10];
@ -124,6 +125,7 @@ protected:
optional_memory_bank m_rambank; // cgb optional_memory_bank m_rambank; // cgb
required_ioport m_inputs; required_ioport m_inputs;
optional_device<ram_device> m_ram; optional_device<ram_device> m_ram;
required_device<gb_lcd_device> m_lcd;
void gb_timer_increment(); void gb_timer_increment();
void gb_timer_check_irq(); void gb_timer_check_irq();

17
src/mess/machine/gb.c
View File

@ -207,8 +207,9 @@ MACHINE_START_MEMBER(gb_state,sgb)
save_gb_base(); save_gb_base();
save_sgb_only(); save_sgb_only();
if (m_cartslot && m_cartslot->get_sgb_hack()) if (m_cartslot && m_cartslot->get_sgb_hack()) {
machine().device<sgb_lcd_device>("lcd")->set_sgb_hack(TRUE); dynamic_cast<sgb_lcd_device*>(m_lcd.target())->set_sgb_hack(TRUE);
}
} }
MACHINE_RESET_MEMBER(gb_state,gb) MACHINE_RESET_MEMBER(gb_state,gb)
@ -346,7 +347,7 @@ WRITE8_MEMBER(gb_state::gb_io2_w)
//printf("here again?\n"); //printf("here again?\n");
} }
else else
machine().device<gb_lcd_device>("lcd")->video_w(space, offset, data); m_lcd->video_w(space, offset, data);
} }
#ifdef MAME_DEBUG #ifdef MAME_DEBUG
@ -454,7 +455,7 @@ WRITE8_MEMBER(gb_state::sgb_io_w)
m_sgb_controller_mode = 2; m_sgb_controller_mode = 2;
break; break;
default: default:
machine().device<sgb_lcd_device>("lcd")->sgb_io_write_pal(sgb_data[0] >> 3, &sgb_data[0]); dynamic_cast<sgb_lcd_device*>(m_lcd.target())->sgb_io_write_pal(sgb_data[0] >> 3, &sgb_data[0]);
break; break;
} }
m_sgb_start = 0; m_sgb_start = 0;
@ -632,7 +633,7 @@ WRITE8_MEMBER(gb_state::gbc_io2_w)
default: default:
break; break;
} }
machine().device<cgb_lcd_device>("lcd")->video_w(space, offset, data); m_lcd->video_w(space, offset, data);
} }
READ8_MEMBER(gb_state::gbc_io2_r) READ8_MEMBER(gb_state::gbc_io2_r)
@ -648,7 +649,7 @@ READ8_MEMBER(gb_state::gbc_io2_r)
default: default:
break; break;
} }
return machine().device<cgb_lcd_device>("lcd")->video_r(space, offset); return m_lcd->video_r(space, offset);
} }
/**************************************************************************** /****************************************************************************
@ -718,7 +719,7 @@ READ8_MEMBER(megaduck_state::megaduck_video_r)
{ {
offset ^= 0x0C; offset ^= 0x0C;
} }
data = machine().device<gb_lcd_device>("lcd")->video_r(space, offset); data = m_lcd->video_r(space, offset);
if ( offset ) if ( offset )
return data; return data;
return BITSWAP8(data,7,0,5,4,6,3,2,1); return BITSWAP8(data,7,0,5,4,6,3,2,1);
@ -734,7 +735,7 @@ WRITE8_MEMBER(megaduck_state::megaduck_video_w)
{ {
offset ^= 0x0C; offset ^= 0x0C;
} }
machine().device<gb_lcd_device>("lcd")->video_w(space, offset, data); m_lcd->video_w(space, offset, data);
} }
/* Map megaduck audio offset to game boy audio offsets */ /* Map megaduck audio offset to game boy audio offsets */