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Cleaned-up Sharp X1

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This commit is contained in:
Angelo Salese 2013-01-15 23:14:05 +00:00
parent 12f428bde7
commit dcb676cf81
3 changed files with 109 additions and 135 deletions
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14
src/mess/drivers/mz2500.c
View File

@ -925,10 +925,10 @@ void mz2500_state::mz2500_ram_write(UINT16 offset, UINT8 data, UINT8 bank_num)
else //PCG RAM
{
m_pcg_ram[offset] = data;
//if((offset & 0x1800) == 0x0000)
// machine().gfx[3]->mark_dirty((offset) >> 3);
//else
// machine().gfx[4]->mark_dirty((offset & 0x7ff) >> 3);
if((offset & 0x1800) == 0x0000)
machine().gfx[3]->mark_dirty((offset) >> 3);
else
machine().gfx[4]->mark_dirty((offset & 0x7ff) >> 3);
}
break;
}
@ -1746,7 +1746,7 @@ static const gfx_layout mz2500_pcg_layout_3bpp =
8, 8,
0x100,
3,
{ RGN_FRAC(3,4), RGN_FRAC(2,4), RGN_FRAC(1,4) },
{ 0x1800*8, 0x1000*8, 0x800*8 },
{ 0, 1, 2, 3, 4, 5, 6, 7 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
8 * 8
@ -1770,8 +1770,8 @@ void mz2500_state::machine_start()
state_save_register_global_pointer(machine(), m_emm_ram, 0x100000);
/* TODO: gfx[4] crashes as per now */
// machine().gfx[3] = auto_alloc(machine(), gfx_element(machine(), mz2500_pcg_layout_1bpp, (UINT8 *)m_pcg_ram, 0x10, 0));
// machine().gfx[4] = auto_alloc(machine(), gfx_element(machine(), mz2500_pcg_layout_3bpp, (UINT8 *)m_pcg_ram, 4, 0));
machine().gfx[3] = auto_alloc(machine(), gfx_element(machine(), mz2500_pcg_layout_1bpp, (UINT8 *)m_pcg_ram, 0x10, 0));
machine().gfx[4] = auto_alloc(machine(), gfx_element(machine(), mz2500_pcg_layout_3bpp, (UINT8 *)m_pcg_ram, 4, 0));
}
void mz2500_state::machine_reset()

118
src/mess/drivers/x1.c
View File

@ -338,7 +338,7 @@ void x1_state::draw_fgtilemap(running_machine &machine, bitmap_rgb32 &bitmap,con
int width = BIT(m_avram[((x+y*x_size)+mc6845_start_addr) & 0x7ff], 7);
int height = BIT(m_avram[((x+y*x_size)+mc6845_start_addr) & 0x7ff], 6);
int pcg_bank = BIT(m_avram[((x+y*x_size)+mc6845_start_addr) & 0x7ff], 5);
UINT8 *gfx_data = machine.root_device().memregion(pcg_bank ? "pcg" : "cgrom")->base();
UINT8 *gfx_data = pcg_bank ? m_pcg_ram : m_cg_rom; //machine.root_device().memregion(pcg_bank ? "pcg" : "cgrom")->base();
int knj_enable = 0;
int knj_side = 0;
int knj_bank = 0;
@ -352,7 +352,7 @@ void x1_state::draw_fgtilemap(running_machine &machine, bitmap_rgb32 &bitmap,con
knj_bank = m_kvram[((x+y*x_size)+mc6845_start_addr) & 0x7ff] & 0x0f;
if(knj_enable)
{
gfx_data = memregion("kanji")->base();
gfx_data = m_kanji_rom;
tile = ((tile + (knj_bank << 8)) << 1) + (knj_side & 1);
}
}
@ -1119,7 +1119,7 @@ READ8_MEMBER( x1_state::x1_pcg_r )
if(addr == 0 && m_scrn_reg.pcg_mode) // Kanji ROM read, X1Turbo only
{
gfx_data = memregion("kanji")->base();
gfx_data = m_kanji_rom;
pcg_offset = (m_tvram[check_chr_addr()]+(m_kvram[check_chr_addr()]<<8)) & 0xfff;
pcg_offset*=0x20;
pcg_offset+=(offset & 0x0f);
@ -1132,7 +1132,7 @@ READ8_MEMBER( x1_state::x1_pcg_r )
UINT8 y_char_size;
/* addr == 0 reads from the ANK rom */
gfx_data = memregion((addr == 0) ? "cgrom" : "pcg")->base();
gfx_data = addr == 0 ? m_cg_rom : m_pcg_ram;
y_char_size = ((m_crtc_vreg[9]+1) > 8) ? 8 : m_crtc_vreg[9]+1;
if(y_char_size == 0) { y_char_size = 1; }
pcg_offset = m_tvram[get_pcg_addr(m_crtc_vreg[1], y_char_size)]*8;
@ -1147,7 +1147,6 @@ READ8_MEMBER( x1_state::x1_pcg_r )
WRITE8_MEMBER( x1_state::x1_pcg_w )
{
int addr,pcg_offset;
UINT8 *PCG_RAM = memregion("pcg")->base();
addr = (offset & 0x300) >> 8;
@ -1163,11 +1162,11 @@ WRITE8_MEMBER( x1_state::x1_pcg_w )
pcg_offset = m_tvram[check_pcg_addr()]*8;
pcg_offset+= (offset & 0xe) >> 1;
pcg_offset+=((addr-1)*0x800);
PCG_RAM[pcg_offset] = data;
m_pcg_ram[pcg_offset] = data;
pcg_offset &= 0x7ff;
machine().gfx[1]->mark_dirty(pcg_offset >> 3);
machine().gfx[3]->mark_dirty(pcg_offset >> 3);
}
else // Compatible Mode
{
@ -1180,11 +1179,11 @@ WRITE8_MEMBER( x1_state::x1_pcg_w )
pcg_offset+= machine().primary_screen->vpos() & (y_char_size-1);
pcg_offset+= ((addr-1)*0x800);
PCG_RAM[pcg_offset] = data;
m_pcg_ram[pcg_offset] = data;
pcg_offset &= 0x7ff;
machine().gfx[1]->mark_dirty(pcg_offset >> 3);
machine().gfx[3]->mark_dirty(pcg_offset >> 3);
}
}
}
@ -1442,10 +1441,9 @@ static UINT16 jis_convert(int kanji_addr)
READ8_MEMBER( x1_state::x1_kanji_r )
{
UINT8 *kanji_rom = memregion("kanji")->base();
UINT8 res;
res = kanji_rom[jis_convert(m_kanji_addr & 0xfff0)+(offset*0x10)+(m_kanji_addr & 0xf)];
res = m_kanji_rom[jis_convert(m_kanji_addr & 0xfff0)+(offset*0x10)+(m_kanji_addr & 0xf)];
if(offset == 1)
m_kanji_addr_latch++;
@ -1485,7 +1483,6 @@ WRITE8_MEMBER( x1_state::x1_kanji_w )
READ8_MEMBER( x1_state::x1_emm_r )
{
UINT8 *emm_ram = memregion("emm")->base();
UINT8 res;
if(offset & ~3)
@ -1501,7 +1498,7 @@ READ8_MEMBER( x1_state::x1_emm_r )
if(offset == 3)
{
res = emm_ram[m_emm_addr];
res = m_emm_ram[m_emm_addr];
m_emm_addr++;
}
@ -1510,8 +1507,6 @@ READ8_MEMBER( x1_state::x1_emm_r )
WRITE8_MEMBER( x1_state::x1_emm_w )
{
UINT8 *emm_ram = memregion("emm")->base();
if(offset & ~3)
{
printf("Warning: write EMM BASIC area [%02x] %02x\n",offset & 0xff,data);
@ -1524,7 +1519,7 @@ WRITE8_MEMBER( x1_state::x1_emm_w )
case 1: m_emm_addr = (m_emm_addr & 0xff00ff) | (data << 8); break;
case 2: m_emm_addr = (m_emm_addr & 0x00ffff) | (data << 16); break; //TODO: this has a max size limit, check exactly how much
case 3:
emm_ram[m_emm_addr] = data;
m_emm_ram[m_emm_addr] = data;
m_emm_addr++;
break;
}
@ -1555,32 +1550,23 @@ WRITE8_MEMBER( x1_state::x1turbo_bank_w )
/* TODO: waitstate penalties */
READ8_MEMBER( x1_state::x1_mem_r )
{
UINT8 *wram = memregion("wram")->base();
if((offset & 0x8000) == 0 && (m_ram_bank == 0))
{
UINT8 *ipl = memregion("ipl")->base();
return ipl[offset]; //ROM
return m_ipl_rom[offset]; //ROM
}
return wram[offset]; //RAM
return m_work_ram[offset]; //RAM
}
WRITE8_MEMBER( x1_state::x1_mem_w )
{
UINT8 *wram = memregion("wram")->base();
wram[offset] = data; //RAM
m_work_ram[offset] = data; //RAM
}
READ8_MEMBER( x1_state::x1turbo_mem_r )
{
if((m_ex_bank & 0x10) == 0)
{
UINT8 *wram = memregion("wram")->base();
return wram[offset+((m_ex_bank & 0xf)*0x10000)];
}
return m_work_ram[offset+((m_ex_bank & 0xf)*0x10000)];
return x1_mem_r(space,offset);
}
@ -1588,11 +1574,7 @@ READ8_MEMBER( x1_state::x1turbo_mem_r )
WRITE8_MEMBER( x1_state::x1turbo_mem_w )
{
if((m_ex_bank & 0x10) == 0)
{
UINT8 *wram = memregion("wram")->base();
wram[offset+((m_ex_bank & 0xf)*0x10000)] = data; //RAM
}
m_work_ram[offset+((m_ex_bank & 0xf)*0x10000)] = data; //RAM
else
x1_mem_w(space,offset,data);
}
@ -2241,17 +2223,6 @@ static const gfx_layout x1_chars_8x16 =
8*16
};
static const gfx_layout x1_pcg_8x8 =
{
8,8,
RGN_FRAC(1,3),
3,
{ RGN_FRAC(2,3),RGN_FRAC(1,3),RGN_FRAC(0,3) },
{ 0, 1, 2, 3, 4, 5, 6, 7 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
8*8
};
static const gfx_layout x1_chars_16x16 =
{
8,16,
@ -2266,9 +2237,9 @@ static const gfx_layout x1_chars_16x16 =
/* decoded for debugging purpose, this will be nuked in the end... */
static GFXDECODE_START( x1 )
GFXDECODE_ENTRY( "cgrom", 0x00000, x1_chars_8x8, 0, 1 )
GFXDECODE_ENTRY( "pcg", 0x00000, x1_pcg_8x8, 0, 1 )
GFXDECODE_ENTRY( "font", 0x00000, x1_chars_8x16, 0, 1 )
GFXDECODE_ENTRY( "kanji", 0x00000, x1_chars_16x16, 0, 1 )
// GFXDECODE_ENTRY( "pcg", 0x00000, x1_pcg_8x8, 0, 1 )
GFXDECODE_END
/*************************************
@ -2457,15 +2428,14 @@ TIMER_CALLBACK_MEMBER(x1_state::x1_rtc_increment)
MACHINE_RESET_MEMBER(x1_state,x1)
{
//UINT8 *ROM = machine().root_device().memregion("x1_cpu")->base();
UINT8 *PCG_RAM = memregion("pcg")->base();
int i;
memset(m_gfx_bitmap_ram,0x00,0xc000*2);
for(i=0;i<0x1800;i++)
{
PCG_RAM[i] = 0;
machine().gfx[1]->mark_dirty(i >> 3);
m_pcg_ram[i] = 0;
machine().gfx[3]->mark_dirty(i >> 3);
}
m_is_turbo = 0;
@ -2508,6 +2478,17 @@ MACHINE_RESET_MEMBER(x1_state,x1turbo)
m_scrn_reg.blackclip = 0;
}
static const gfx_layout x1_pcg_8x8 =
{
8,8,
0x100,
3,
{ 0x1000*8,0x800*8, 0 },
{ 0, 1, 2, 3, 4, 5, 6, 7 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
8*8
};
MACHINE_START_MEMBER(x1_state,x1)
{
/* set up RTC */
@ -2525,6 +2506,19 @@ MACHINE_START_MEMBER(x1_state,x1)
m_rtc_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(x1_state::x1_rtc_increment),this));
}
m_ipl_rom = memregion("ipl")->base();
m_work_ram = auto_alloc_array_clear(machine(), UINT8, 0x10000*0x10);
m_emm_ram = auto_alloc_array_clear(machine(), UINT8, 0x1000000);
m_pcg_ram = auto_alloc_array_clear(machine(), UINT8, 0x1800);
m_cg_rom = memregion("cgrom")->base();
m_kanji_rom = memregion("kanji")->base();
state_save_register_global_pointer(machine(), m_work_ram, 0x10000*0x10);
state_save_register_global_pointer(machine(), m_emm_ram, 0x1000000);
state_save_register_global_pointer(machine(), m_pcg_ram, 0x1800);
machine().gfx[3] = auto_alloc(machine(), gfx_element(machine(), x1_pcg_8x8, (UINT8 *)m_pcg_ram, 1, 0));
}
PALETTE_INIT_MEMBER(x1_state,x1)
@ -2644,20 +2638,12 @@ MACHINE_CONFIG_END
*************************************/
ROM_START( x1 )
ROM_REGION( 0x10000, "x1_cpu", ROMREGION_ERASEFF )
ROM_REGION( 0x8000, "ipl", ROMREGION_ERASEFF )
ROM_LOAD( "ipl.x1", 0x0000, 0x1000, CRC(7b28d9de) SHA1(c4db9a6e99873808c8022afd1c50fef556a8b44d) )
ROM_REGION( 0x10000, "wram", ROMREGION_ERASE00 )
ROM_REGION(0x1000, "mcu", ROMREGION_ERASEFF) //MCU for the Keyboard, "sub cpu"
ROM_LOAD( "80c48", 0x0000, 0x1000, NO_DUMP )
ROM_REGION( 0x1000000, "emm", ROMREGION_ERASEFF )
ROM_REGION(0x1800, "pcg", ROMREGION_ERASEFF)
ROM_REGION(0x2000, "font", 0) //TODO: this contains 8x16 charset only, maybe it's possible that it derivates a 8x8 charset by skipping gfx lines?
ROM_LOAD( "ank.fnt", 0x0000, 0x2000, BAD_DUMP CRC(19689fbd) SHA1(0d4e072cd6195a24a1a9b68f1d37500caa60e599) )
@ -2674,22 +2660,12 @@ MACHINE_CONFIG_END
ROM_END
ROM_START( x1turbo )
ROM_REGION( 0x10000, "x1_cpu", ROMREGION_ERASEFF )
ROM_REGION( 0x8000, "ipl", ROMREGION_ERASEFF )
ROM_LOAD( "ipl.x1t", 0x0000, 0x8000, CRC(2e8b767c) SHA1(44620f57a25f0bcac2b57ca2b0f1ebad3bf305d3) )
ROM_REGION( 0x10000*0x10, "wram", ROMREGION_ERASE00 )
ROM_REGION(0x1000, "mcu", ROMREGION_ERASEFF) //MCU for the Keyboard, "sub cpu"
ROM_LOAD( "80c48", 0x0000, 0x1000, NO_DUMP )
ROM_REGION( 0x1000000, "emm", ROMREGION_ERASEFF )
ROM_REGION( 0x10000*2, "bank_ram", ROMREGION_ERASEFF )
ROM_REGION(0x1800, "pcg", ROMREGION_ERASEFF)
ROM_REGION(0x2000, "font", 0) //TODO: this contains 8x16 charset only, maybe it's possible that it derivates a 8x8 charset by skipping gfx lines?
ROM_LOAD( "ank.fnt", 0x0000, 0x2000, CRC(19689fbd) SHA1(0d4e072cd6195a24a1a9b68f1d37500caa60e599) )
@ -2710,20 +2686,12 @@ ROM_START( x1turbo )
ROM_END
ROM_START( x1turbo40 )
ROM_REGION( 0x10000, "x1_cpu", ROMREGION_ERASEFF )
ROM_REGION( 0x8000, "ipl", ROMREGION_ERASEFF )
ROM_LOAD( "ipl.bin", 0x0000, 0x8000, CRC(112f80a2) SHA1(646cc3fb5d2d24ff4caa5167b0892a4196e9f843) )
ROM_REGION( 0x10000*0x10, "wram", ROMREGION_ERASE00 )
ROM_REGION(0x1000, "mcu", ROMREGION_ERASEFF) //MCU for the Keyboard, "sub cpu"
ROM_LOAD( "80c48", 0x0000, 0x1000, NO_DUMP )
ROM_REGION(0x1800, "pcg", ROMREGION_ERASEFF)
ROM_REGION( 0x1000000, "emm", ROMREGION_ERASEFF )
ROM_REGION(0x2000, "font", 0) //TODO: this contains 8x16 charset only, maybe it's possible that it derivates a 8x8 charset by skipping gfx lines?
ROM_LOAD( "ank.fnt", 0x0000, 0x2000, CRC(19689fbd) SHA1(0d4e072cd6195a24a1a9b68f1d37500caa60e599) )

112
src/mess/includes/x1.h
View File

@ -82,58 +82,21 @@ public:
m_ctc(*this, "ctc")
{ }
DECLARE_READ8_MEMBER(x1_mem_r);
DECLARE_WRITE8_MEMBER(x1_mem_w);
DECLARE_READ8_MEMBER(x1_io_r);
DECLARE_WRITE8_MEMBER(x1_io_w);
DECLARE_READ8_MEMBER(x1_sub_io_r);
DECLARE_WRITE8_MEMBER(x1_sub_io_w);
DECLARE_READ8_MEMBER(x1_rom_r);
DECLARE_WRITE8_MEMBER(x1_rom_w);
DECLARE_WRITE8_MEMBER(x1_rom_bank_0_w);
DECLARE_WRITE8_MEMBER(x1_rom_bank_1_w);
DECLARE_READ8_MEMBER(x1_fdc_r);
DECLARE_WRITE8_MEMBER(x1_fdc_w);
DECLARE_READ8_MEMBER(x1_pcg_r);
DECLARE_WRITE8_MEMBER(x1_pcg_w);
DECLARE_WRITE8_MEMBER(x1_pal_r_w);
DECLARE_WRITE8_MEMBER(x1_pal_g_w);
DECLARE_WRITE8_MEMBER(x1_pal_b_w);
DECLARE_WRITE8_MEMBER(x1_ex_gfxram_w);
DECLARE_WRITE8_MEMBER(x1_scrn_w);
DECLARE_WRITE8_MEMBER(x1_pri_w);
DECLARE_WRITE8_MEMBER(x1_6845_w);
DECLARE_READ8_MEMBER(x1_kanji_r);
DECLARE_WRITE8_MEMBER(x1_kanji_w);
DECLARE_READ8_MEMBER(x1_emm_r);
DECLARE_WRITE8_MEMBER(x1_emm_w);
DECLARE_READ8_MEMBER(x1turbo_pal_r);
DECLARE_READ8_MEMBER(x1turbo_txpal_r);
DECLARE_READ8_MEMBER(x1turbo_txdisp_r);
DECLARE_READ8_MEMBER(x1turbo_gfxpal_r);
DECLARE_WRITE8_MEMBER(x1turbo_pal_w);
DECLARE_WRITE8_MEMBER(x1turbo_txpal_w);
DECLARE_WRITE8_MEMBER(x1turbo_txdisp_w);
DECLARE_WRITE8_MEMBER(x1turbo_gfxpal_w);
DECLARE_WRITE8_MEMBER(x1turbo_blackclip_w);
DECLARE_READ8_MEMBER(x1turbo_mem_r);
DECLARE_WRITE8_MEMBER(x1turbo_mem_w);
DECLARE_READ8_MEMBER(x1turbo_io_r);
DECLARE_WRITE8_MEMBER(x1turbo_io_w);
DECLARE_WRITE8_MEMBER(x1turboz_4096_palette_w);
DECLARE_READ8_MEMBER(x1turboz_blackclip_r);
DECLARE_READ8_MEMBER(x1turbo_bank_r);
DECLARE_WRITE8_MEMBER(x1turbo_bank_w);
DECLARE_READ8_MEMBER(x1_porta_r);
DECLARE_READ8_MEMBER(x1_portb_r);
DECLARE_READ8_MEMBER(x1_portc_r);
DECLARE_WRITE8_MEMBER(x1_porta_w);
DECLARE_WRITE8_MEMBER(x1_portb_w);
DECLARE_WRITE8_MEMBER(x1_portc_w);
required_device<cpu_device> m_x1_cpu;
required_device<cassette_image_device> m_cass;
required_device<mb8877_device> m_fdc;
required_device<mc6845_device> m_crtc;
required_device<z80ctc_device> m_ctc;
UINT8 *m_tvram;
UINT8 *m_avram;
UINT8 *m_kvram;
UINT8 *m_ipl_rom;
UINT8 *m_work_ram;
UINT8 *m_emm_ram;
UINT8 *m_pcg_ram;
UINT8 *m_cg_rom;
UINT8 *m_kanji_rom;
int m_xstart,m_ystart;
UINT8 m_hres_320;
UINT8 m_io_switch;
@ -189,11 +152,54 @@ public:
UINT8 check_keyboard_shift();
UINT16 check_keyboard_press();
required_device<cpu_device> m_x1_cpu;
required_device<cassette_image_device> m_cass;
required_device<mb8877_device> m_fdc;
required_device<mc6845_device> m_crtc;
required_device<z80ctc_device> m_ctc;
DECLARE_READ8_MEMBER(x1_mem_r);
DECLARE_WRITE8_MEMBER(x1_mem_w);
DECLARE_READ8_MEMBER(x1_io_r);
DECLARE_WRITE8_MEMBER(x1_io_w);
DECLARE_READ8_MEMBER(x1_sub_io_r);
DECLARE_WRITE8_MEMBER(x1_sub_io_w);
DECLARE_READ8_MEMBER(x1_rom_r);
DECLARE_WRITE8_MEMBER(x1_rom_w);
DECLARE_WRITE8_MEMBER(x1_rom_bank_0_w);
DECLARE_WRITE8_MEMBER(x1_rom_bank_1_w);
DECLARE_READ8_MEMBER(x1_fdc_r);
DECLARE_WRITE8_MEMBER(x1_fdc_w);
DECLARE_READ8_MEMBER(x1_pcg_r);
DECLARE_WRITE8_MEMBER(x1_pcg_w);
DECLARE_WRITE8_MEMBER(x1_pal_r_w);
DECLARE_WRITE8_MEMBER(x1_pal_g_w);
DECLARE_WRITE8_MEMBER(x1_pal_b_w);
DECLARE_WRITE8_MEMBER(x1_ex_gfxram_w);
DECLARE_WRITE8_MEMBER(x1_scrn_w);
DECLARE_WRITE8_MEMBER(x1_pri_w);
DECLARE_WRITE8_MEMBER(x1_6845_w);
DECLARE_READ8_MEMBER(x1_kanji_r);
DECLARE_WRITE8_MEMBER(x1_kanji_w);
DECLARE_READ8_MEMBER(x1_emm_r);
DECLARE_WRITE8_MEMBER(x1_emm_w);
DECLARE_READ8_MEMBER(x1turbo_pal_r);
DECLARE_READ8_MEMBER(x1turbo_txpal_r);
DECLARE_READ8_MEMBER(x1turbo_txdisp_r);
DECLARE_READ8_MEMBER(x1turbo_gfxpal_r);
DECLARE_WRITE8_MEMBER(x1turbo_pal_w);
DECLARE_WRITE8_MEMBER(x1turbo_txpal_w);
DECLARE_WRITE8_MEMBER(x1turbo_txdisp_w);
DECLARE_WRITE8_MEMBER(x1turbo_gfxpal_w);
DECLARE_WRITE8_MEMBER(x1turbo_blackclip_w);
DECLARE_READ8_MEMBER(x1turbo_mem_r);
DECLARE_WRITE8_MEMBER(x1turbo_mem_w);
DECLARE_READ8_MEMBER(x1turbo_io_r);
DECLARE_WRITE8_MEMBER(x1turbo_io_w);
DECLARE_WRITE8_MEMBER(x1turboz_4096_palette_w);
DECLARE_READ8_MEMBER(x1turboz_blackclip_r);
DECLARE_READ8_MEMBER(x1turbo_bank_r);
DECLARE_WRITE8_MEMBER(x1turbo_bank_w);
DECLARE_READ8_MEMBER(x1_porta_r);
DECLARE_READ8_MEMBER(x1_portb_r);
DECLARE_READ8_MEMBER(x1_portc_r);
DECLARE_WRITE8_MEMBER(x1_porta_w);
DECLARE_WRITE8_MEMBER(x1_portb_w);
DECLARE_WRITE8_MEMBER(x1_portc_w);
DECLARE_DRIVER_INIT(x1_kanji);
DECLARE_MACHINE_START(x1);
DECLARE_MACHINE_RESET(x1);