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(MESS) fc100 : connected char rom, inverse attribute, cursor.

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This commit is contained in:
Robbbert 2014-04-20 03:48:50 +00:00
parent 23b7ef1207
commit 9503166d0b
1 changed files with 14 additions and 7 deletions
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21
src/mess/drivers/fc100.c
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@ -29,6 +29,12 @@ public:
DECLARE_READ8_MEMBER( mc6847_videoram_r );
UINT8 *m_p_chargen;
static UINT8 get_char_rom(running_machine &machine, UINT8 ch, int line)
{
fc100_state *state = machine.driver_data<fc100_state>();
return state->m_p_chargen[(ch&0x7F)*16+line];
}
private:
virtual void machine_start();
virtual void machine_reset();
@ -52,7 +58,7 @@ private:
static ADDRESS_MAP_START( fc100_mem, AS_PROGRAM, 8, fc100_state )
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE( 0x0000, 0x5fff ) AM_ROM AM_REGION("roms", 0)
AM_RANGE( 0x8000, 0x83ff ) AM_RAM // Work RAM??
AM_RANGE( 0x6000, 0xBFFF ) AM_RAM
AM_RANGE( 0xc000, 0xffff ) AM_RAM AM_SHARE("videoram")
ADDRESS_MAP_END
@ -128,6 +134,7 @@ void fc100_state::machine_start()
void fc100_state::machine_reset()
{
m_p_chargen = memregion("chargen")->base();
}
#if 0
@ -189,9 +196,10 @@ READ8_MEMBER( fc100_state::mc6847_videoram_r )
}
// Standard text
UINT8 data = m_videoram[offset % 0xc00];
UINT8 data = m_videoram[offset];
UINT8 attr = m_videoram[offset+0x200];
m_s68047p->inv_w( ( data & 0x80 ) ? ASSERT_LINE : CLEAR_LINE );
m_s68047p->inv_w( BIT( attr, 0 ));
return data;
}
@ -208,11 +216,10 @@ static const mc6847_interface fc100_mc6847_interface =
DEVCB_NULL, /* GM0 */
DEVCB_NULL, /* CSS */
DEVCB_NULL, /* AS */
DEVCB_NULL, /* INTEXT */
DEVCB_LINE_VCC, /* INTEXT */
DEVCB_NULL, /* INV */
NULL,
false
&fc100_state::get_char_rom
};
@ -221,7 +228,7 @@ static MACHINE_CONFIG_START( fc100, fc100_state )
MCFG_CPU_ADD("maincpu",Z80, 9159090/2)
MCFG_CPU_PROGRAM_MAP(fc100_mem)
MCFG_CPU_IO_MAP(fc100_io)
//MCFG_CPU_VBLANK_INT_DRIVER("screen", fc100_state, irq0_line_hold)
MCFG_CPU_VBLANK_INT_DRIVER("screen", fc100_state, irq0_line_hold)
/* video hardware */
MCFG_MC6847_ADD("s68047p", S68047, 9159090/3, fc100_mc6847_interface ) // Clock not verified