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(mess) pc9801: bit more (nw)

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This commit is contained in:
cracyc 2014-11-08 10:50:49 -06:00
parent 15cf974bd1
commit 7a3ea7ca78
1 changed files with 108 additions and 139 deletions
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247
src/mess/drivers/pc9801.c
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@ -560,15 +560,11 @@ public:
DECLARE_WRITE8_MEMBER(pc9801_fdc_2hd_w); DECLARE_WRITE8_MEMBER(pc9801_fdc_2hd_w);
DECLARE_READ8_MEMBER(pc9801_fdc_2dd_r); DECLARE_READ8_MEMBER(pc9801_fdc_2dd_r);
DECLARE_WRITE8_MEMBER(pc9801_fdc_2dd_w); DECLARE_WRITE8_MEMBER(pc9801_fdc_2dd_w);
DECLARE_READ8_MEMBER(pc9801_tvram_r); DECLARE_READ8_MEMBER(tvram_r);
DECLARE_WRITE8_MEMBER(pc9801_tvram_w); DECLARE_WRITE8_MEMBER(tvram_w);
DECLARE_READ8_MEMBER(pc9801_gvram_r); DECLARE_READ8_MEMBER(gvram_r);
DECLARE_WRITE8_MEMBER(pc9801_gvram_w); DECLARE_WRITE8_MEMBER(gvram_w);
DECLARE_WRITE8_MEMBER(pc9801rs_mouse_freq_w); DECLARE_WRITE8_MEMBER(pc9801rs_mouse_freq_w);
inline UINT8 m_pc9801rs_grcg_r(UINT32 offset,int vbank,int vrambank);
inline UINT8 m_pc9801rs_grcg_r(UINT32 offset,int vbank) { return m_pc9801rs_grcg_r(offset, vbank, m_vram_bank); }
inline void m_pc9801rs_grcg_w(UINT32 offset,int vbank,int vrambank,UINT8 data);
inline void m_pc9801rs_grcg_w(UINT32 offset,int vbank,UINT8 data) { m_pc9801rs_grcg_w(offset, vbank, m_vram_bank, data); }
DECLARE_CUSTOM_INPUT_MEMBER(system_type_r); DECLARE_CUSTOM_INPUT_MEMBER(system_type_r);
DECLARE_READ8_MEMBER(grcg_gvram_r); DECLARE_READ8_MEMBER(grcg_gvram_r);
DECLARE_WRITE8_MEMBER(grcg_gvram_w); DECLARE_WRITE8_MEMBER(grcg_gvram_w);
@ -594,10 +590,8 @@ public:
DECLARE_READ8_MEMBER(pc9801rs_knjram_r); DECLARE_READ8_MEMBER(pc9801rs_knjram_r);
DECLARE_WRITE8_MEMBER(pc9801rs_knjram_w); DECLARE_WRITE8_MEMBER(pc9801rs_knjram_w);
DECLARE_WRITE8_MEMBER(pc9801rs_bank_w); DECLARE_WRITE8_MEMBER(pc9801rs_bank_w);
DECLARE_READ8_MEMBER(pc9801rs_f0_r); DECLARE_READ8_MEMBER(a20_ctrl_r);
DECLARE_WRITE8_MEMBER(pc9801rs_f0_w); DECLARE_WRITE8_MEMBER(a20_ctrl_w);
DECLARE_READ8_MEMBER(pc9801rs_memory_r);
DECLARE_WRITE8_MEMBER(pc9801rs_memory_w);
DECLARE_READ8_MEMBER(pc9810rs_fdc_ctrl_r); DECLARE_READ8_MEMBER(pc9810rs_fdc_ctrl_r);
DECLARE_WRITE8_MEMBER(pc9810rs_fdc_ctrl_w); DECLARE_WRITE8_MEMBER(pc9810rs_fdc_ctrl_w);
DECLARE_READ8_MEMBER(pc9801rs_2hd_r); DECLARE_READ8_MEMBER(pc9801rs_2hd_r);
@ -674,14 +668,14 @@ public:
DECLARE_PALETTE_INIT(pc9801); DECLARE_PALETTE_INIT(pc9801);
INTERRUPT_GEN_MEMBER(pc9801_vrtc_irq); INTERRUPT_GEN_MEMBER(pc9801_vrtc_irq);
DECLARE_READ8_MEMBER(get_slave_ack); DECLARE_READ8_MEMBER(get_slave_ack);
DECLARE_WRITE_LINE_MEMBER(pc9801_dma_hrq_changed); DECLARE_WRITE_LINE_MEMBER(dma_hrq_changed);
DECLARE_WRITE_LINE_MEMBER(pc9801_tc_w); DECLARE_WRITE_LINE_MEMBER(tc_w);
DECLARE_READ8_MEMBER(pc9801_dma_read_byte); DECLARE_READ8_MEMBER(dma_read_byte);
DECLARE_WRITE8_MEMBER(pc9801_dma_write_byte); DECLARE_WRITE8_MEMBER(dma_write_byte);
DECLARE_WRITE_LINE_MEMBER(pc9801_dack0_w); DECLARE_WRITE_LINE_MEMBER(dack0_w);
DECLARE_WRITE_LINE_MEMBER(pc9801_dack1_w); DECLARE_WRITE_LINE_MEMBER(dack1_w);
DECLARE_WRITE_LINE_MEMBER(pc9801_dack2_w); DECLARE_WRITE_LINE_MEMBER(dack2_w);
DECLARE_WRITE_LINE_MEMBER(pc9801_dack3_w); DECLARE_WRITE_LINE_MEMBER(dack3_w);
DECLARE_WRITE8_MEMBER(ppi_sys_portc_w); DECLARE_WRITE8_MEMBER(ppi_sys_portc_w);
DECLARE_WRITE_LINE_MEMBER(fdc_2dd_irq); DECLARE_WRITE_LINE_MEMBER(fdc_2dd_irq);
@ -701,8 +695,6 @@ public:
}m_mouse; }m_mouse;
TIMER_DEVICE_CALLBACK_MEMBER( mouse_irq_cb ); TIMER_DEVICE_CALLBACK_MEMBER( mouse_irq_cb );
inline UINT32 m_calc_grcg_addr(int i,UINT32 offset,int vrambank);
DECLARE_DRIVER_INIT(pc9801_kanji); DECLARE_DRIVER_INIT(pc9801_kanji);
inline void set_dma_channel(int channel, int state); inline void set_dma_channel(int channel, int state);
virtual void device_reset_after_children(); virtual void device_reset_after_children();
@ -984,53 +976,46 @@ WRITE8_MEMBER(pc9801_state::vrtc_mask_w)
WRITE8_MEMBER(pc9801_state::pc9801_video_ff_w) WRITE8_MEMBER(pc9801_state::pc9801_video_ff_w)
{ {
if((offset & 1) == 0) /*
{ TODO: this is my best bet so far. Register 4 is annoying, the pattern seems to be:
/* Write to video FF register Graphic -> 00
TODO: this is my best bet so far. Register 4 is annoying, the pattern seems to be: Write to video FF register 200 lines -> 0x
Write to video FF register Graphic -> 00 Write to video FF register 200 lines -> 00
Write to video FF register 200 lines -> 0x
Write to video FF register 200 lines -> 00
where x is the current mode. where x is the current mode.
*/ */
switch((data & 0x0e) >> 1) switch((data & 0x0e) >> 1)
{ {
case 1: case 1:
m_gfx_ff = 1; m_gfx_ff = 1;
if(data & 1) if(data & 1)
logerror("Graphic f/f actually enabled!\n"); logerror("Graphic f/f actually enabled!\n");
break;
case 4:
if(m_gfx_ff)
{
m_video_ff[(data & 0x0e) >> 1] = data &1;
m_gfx_ff = 0;
}
break; break;
default: m_video_ff[(data & 0x0e) >> 1] = data & 1; break; case 4:
} if(m_gfx_ff)
if(0)
{
static const char *const video_ff_regnames[] =
{ {
"Attribute Select", // 0 m_video_ff[(data & 0x0e) >> 1] = data &1;
"Graphic", // 1 m_gfx_ff = 0;
"Column", // 2 }
"Font Select", // 3 break;
"200 lines", // 4 default: m_video_ff[(data & 0x0e) >> 1] = data & 1; break;
"KAC?", // 5
"Memory Switch", // 6
"Display ON" // 7
};
logerror("Write to video FF register %s -> %02x\n",video_ff_regnames[(data & 0x0e) >> 1],data & 1);
}
} }
else // odd
if(0)
{ {
//logerror("Write to undefined port [%02x] <- %02x\n",offset+0x68,data); static const char *const video_ff_regnames[] =
{
"Attribute Select", // 0
"Graphic", // 1
"Column", // 2
"Font Select", // 3
"200 lines", // 4
"KAC?", // 5
"Memory Switch", // 6
"Display ON" // 7
};
logerror("Write to video FF register %s -> %02x\n",video_ff_regnames[(data & 0x0e) >> 1],data & 1);
} }
} }
@ -1294,20 +1279,19 @@ WRITE8_MEMBER(pc9801_state::pc9801_fdc_2dd_w)
/* TODO: banking? */ /* TODO: banking? */
READ8_MEMBER(pc9801_state::pc9801_tvram_r) READ8_MEMBER(pc9801_state::tvram_r)
{ {
UINT8 res; UINT8 res;
if((offset & 0x2000) && offset & 1) if((offset & 0x2000) && offset & 1)
return 0xff; return 0xff;
//res = upd7220_vram_r(machine().device("upd7220_chr"),offset);
res = m_tvram[offset]; res = m_tvram[offset];
return res; return res;
} }
WRITE8_MEMBER(pc9801_state::pc9801_tvram_w) WRITE8_MEMBER(pc9801_state::tvram_w)
{ {
if(offset < (0x3fe2) || m_video_ff[MEMSW_REG]) if(offset < (0x3fe2) || m_video_ff[MEMSW_REG])
m_tvram[offset] = data; m_tvram[offset] = data;
@ -1316,36 +1300,32 @@ WRITE8_MEMBER(pc9801_state::pc9801_tvram_w)
} }
/* +0x8000 is trusted (bank 0 is actually used by 16 colors mode) */ /* +0x8000 is trusted (bank 0 is actually used by 16 colors mode) */
READ8_MEMBER(pc9801_state::pc9801_gvram_r) READ8_MEMBER(pc9801_state::gvram_r)
{ {
return m_video_ram_2[offset+0x08000+m_vram_bank*0x20000]; return m_video_ram_2[offset+0x08000+m_vram_bank*0x20000];
} }
WRITE8_MEMBER(pc9801_state::pc9801_gvram_w) WRITE8_MEMBER(pc9801_state::gvram_w)
{ {
m_video_ram_2[offset+0x08000+m_vram_bank*0x20000] = data; m_video_ram_2[offset+0x08000+m_vram_bank*0x20000] = data;
} }
inline UINT32 pc9801_state::m_calc_grcg_addr(int i,UINT32 offset,int vrambank) READ8_MEMBER(pc9801_state::upd7220_grcg_r)
{
return (offset) + (((i+1)*0x8000) & 0x1ffff) + (vrambank*0x20000);
}
inline UINT8 pc9801_state::m_pc9801rs_grcg_r(UINT32 offset,int vbank,int vrambank)
{ {
UINT8 res = 0; UINT8 res = 0;
if(!(m_grcg.mode & 0x80)) if(!(m_grcg.mode & 0x80))
res = m_video_ram_2[offset+vbank*0x8000+vrambank*0x20000]; res = m_video_ram_2[offset];
else if(!(m_grcg.mode & 0x40)) else if(!(m_grcg.mode & 0x40))
{ {
int i; int i;
offset &= ~(3 << 15);
res = 0; res = 0;
for(i=0;i<4;i++) for(i=0;i<4;i++)
{ {
if((m_grcg.mode & (1 << i)) == 0) if((m_grcg.mode & (1 << i)) == 0)
res |= (m_video_ram_2[m_calc_grcg_addr(i,offset,vrambank)] ^ m_grcg.tile[i]); res |= m_video_ram_2[offset | (((i + 1) & 3) * 0x8000)] ^ m_grcg.tile[i];
} }
res ^= 0xff; res ^= 0xff;
@ -1354,13 +1334,14 @@ inline UINT8 pc9801_state::m_pc9801rs_grcg_r(UINT32 offset,int vbank,int vramban
return res; return res;
} }
inline void pc9801_state::m_pc9801rs_grcg_w(UINT32 offset,int vbank,int vrambank,UINT8 data) WRITE8_MEMBER(pc9801_state::upd7220_grcg_w)
{ {
if((m_grcg.mode & 0x80) == 0) if((m_grcg.mode & 0x80) == 0)
m_video_ram_2[offset+vbank*0x8000+vrambank*0x20000] = data; m_video_ram_2[offset] = data;
else else
{ {
int i; int i;
offset &= ~(3 << 15);
if(m_grcg.mode & 0x40) // RMW if(m_grcg.mode & 0x40) // RMW
{ {
@ -1368,8 +1349,8 @@ inline void pc9801_state::m_pc9801rs_grcg_w(UINT32 offset,int vbank,int vrambank
{ {
if((m_grcg.mode & (1 << i)) == 0) if((m_grcg.mode & (1 << i)) == 0)
{ {
m_video_ram_2[m_calc_grcg_addr(i,offset,vrambank)] &= ~data; m_video_ram_2[offset | (((i + 1) & 3) * 0x8000)] &= ~data;
m_video_ram_2[m_calc_grcg_addr(i,offset,vrambank)] |= m_grcg.tile[i] & data; m_video_ram_2[offset | (((i + 1) & 3) * 0x8000)] |= m_grcg.tile[i] & data;
} }
} }
} }
@ -1379,23 +1360,13 @@ inline void pc9801_state::m_pc9801rs_grcg_w(UINT32 offset,int vbank,int vrambank
{ {
if((m_grcg.mode & (1 << i)) == 0) if((m_grcg.mode & (1 << i)) == 0)
{ {
m_video_ram_2[m_calc_grcg_addr(i,offset,vrambank)] = m_grcg.tile[i]; m_video_ram_2[offset | (((i + 1) & 3) * 0x8000)] = m_grcg.tile[i];
} }
} }
} }
} }
} }
READ8_MEMBER(pc9801_state::upd7220_grcg_r)
{
return m_pc9801rs_grcg_r(offset & 0x7fff, (offset >> 15) & 3, offset >> 17);
}
WRITE8_MEMBER(pc9801_state::upd7220_grcg_w)
{
m_pc9801rs_grcg_w(offset & 0x7fff, (offset >> 15) & 3, offset >> 17, data);
}
READ8_MEMBER(pc9801_state::ide_hack_r) READ8_MEMBER(pc9801_state::ide_hack_r)
{ {
address_space &ram = m_maincpu->space(AS_PROGRAM); address_space &ram = m_maincpu->space(AS_PROGRAM);
@ -1520,8 +1491,8 @@ WRITE8_MEMBER( pc9801_state::sasi_ctrl_w )
static ADDRESS_MAP_START( pc9801_map, AS_PROGRAM, 16, pc9801_state ) static ADDRESS_MAP_START( pc9801_map, AS_PROGRAM, 16, pc9801_state )
AM_RANGE(0x00000, 0x9ffff) AM_RAM //work RAM AM_RANGE(0x00000, 0x9ffff) AM_RAM //work RAM
AM_RANGE(0xa0000, 0xa3fff) AM_READWRITE8(pc9801_tvram_r,pc9801_tvram_w,0xffff) //TVRAM AM_RANGE(0xa0000, 0xa3fff) AM_READWRITE8(tvram_r,tvram_w,0xffff) //TVRAM
AM_RANGE(0xa8000, 0xbffff) AM_READWRITE8(pc9801_gvram_r,pc9801_gvram_w,0xffff) //bitmap VRAM AM_RANGE(0xa8000, 0xbffff) AM_READWRITE8(gvram_r,gvram_w,0xffff) //bitmap VRAM
AM_RANGE(0xcc000, 0xcdfff) AM_ROM AM_REGION("sound_bios",0) //sound BIOS AM_RANGE(0xcc000, 0xcdfff) AM_ROM AM_REGION("sound_bios",0) //sound BIOS
AM_RANGE(0xd6000, 0xd6fff) AM_ROM AM_REGION("fdc_bios_2dd",0) //floppy BIOS 2dd AM_RANGE(0xd6000, 0xd6fff) AM_ROM AM_REGION("fdc_bios_2dd",0) //floppy BIOS 2dd
AM_RANGE(0xd7000, 0xd7fff) AM_ROM AM_REGION("fdc_bios_2hd",0) //floppy BIOS 2hd AM_RANGE(0xd7000, 0xd7fff) AM_ROM AM_REGION("fdc_bios_2hd",0) //floppy BIOS 2hd
@ -1541,7 +1512,7 @@ static ADDRESS_MAP_START( pc9801_io, AS_IO, 16, pc9801_state )
AM_RANGE(0x0050, 0x0053) AM_WRITE8(nmi_ctrl_w,0x00ff) // NMI FF / i8255 floppy port (2d?) AM_RANGE(0x0050, 0x0053) AM_WRITE8(nmi_ctrl_w,0x00ff) // NMI FF / i8255 floppy port (2d?)
AM_RANGE(0x0060, 0x0063) AM_DEVREADWRITE8("upd7220_chr", upd7220_device, read, write, 0x00ff) //upd7220 character ports / <undefined> AM_RANGE(0x0060, 0x0063) AM_DEVREADWRITE8("upd7220_chr", upd7220_device, read, write, 0x00ff) //upd7220 character ports / <undefined>
AM_RANGE(0x0064, 0x0065) AM_WRITE8(vrtc_mask_w,0x00ff) AM_RANGE(0x0064, 0x0065) AM_WRITE8(vrtc_mask_w,0x00ff)
AM_RANGE(0x0068, 0x0069) AM_WRITE8(pc9801_video_ff_w,0xffff) //mode FF / <undefined> AM_RANGE(0x0068, 0x0069) AM_WRITE8(pc9801_video_ff_w,0x00ff) //mode FF / <undefined>
// AM_RANGE(0x006c, 0x006f) border color / <undefined> // AM_RANGE(0x006c, 0x006f) border color / <undefined>
AM_RANGE(0x0070, 0x007f) AM_DEVREADWRITE8("pit8253", pit8253_device, read, write, 0xff00) AM_RANGE(0x0070, 0x007f) AM_DEVREADWRITE8("pit8253", pit8253_device, read, write, 0xff00)
AM_RANGE(0x0070, 0x007b) AM_READWRITE8(txt_scrl_r,txt_scrl_w,0x00ff) //display registers / i8253 pit AM_RANGE(0x0070, 0x007b) AM_READWRITE8(txt_scrl_r,txt_scrl_w,0x00ff) //display registers / i8253 pit
@ -1631,17 +1602,17 @@ WRITE8_MEMBER(pc9801_state::pc9801rs_bank_w)
} }
} }
READ8_MEMBER(pc9801_state::pc9801rs_f0_r) READ8_MEMBER(pc9801_state::a20_ctrl_r)
{ {
if(offset == 0x02) if(offset == 0x01)
return (m_gate_a20 ^ 1) | 0xfe; return (m_gate_a20 ^ 1) | 0xfe;
else if(offset == 0x06) else if(offset == 0x03)
return (m_gate_a20 ^ 1) | (m_nmi_enable << 1); return (m_gate_a20 ^ 1) | (m_nmi_enable << 1);
return 0x00; return 0x00;
} }
WRITE8_MEMBER(pc9801_state::pc9801rs_f0_w) WRITE8_MEMBER(pc9801_state::a20_ctrl_w)
{ {
if(offset == 0x00) if(offset == 0x00)
{ {
@ -1654,10 +1625,10 @@ WRITE8_MEMBER(pc9801_state::pc9801rs_f0_w)
m_gate_a20 = 0; m_gate_a20 = 0;
} }
if(offset == 0x02) if(offset == 0x01)
m_gate_a20 = 1; m_gate_a20 = 1;
if(offset == 0x06) if(offset == 0x03)
{ {
if(data == 0x02) if(data == 0x02)
m_gate_a20 = 1; m_gate_a20 = 1;
@ -1816,7 +1787,7 @@ WRITE8_MEMBER(pc9801_state::pc9801rs_2dd_w)
WRITE8_MEMBER(pc9801_state::pc9801rs_video_ff_w) WRITE8_MEMBER(pc9801_state::pc9801rs_video_ff_w)
{ {
if(offset == 2) if(offset == 1)
{ {
if((data & 0xf0) == 0) /* disable any PC-9821 specific HW regs */ if((data & 0xf0) == 0) /* disable any PC-9821 specific HW regs */
m_ex_video_ff[(data & 0xfe) >> 1] = data & 1; m_ex_video_ff[(data & 0xfe) >> 1] = data & 1;
@ -1916,27 +1887,27 @@ WRITE8_MEMBER(pc9801_state::pic_w)
READ8_MEMBER(pc9801_state::grcg_gvram_r) READ8_MEMBER(pc9801_state::grcg_gvram_r)
{ {
return m_pc9801rs_grcg_r(offset & 0x7fff,(offset>>15)+1); return upd7220_grcg_r(space, (offset + 0x8000) | (m_vram_bank << 17), mem_mask);
} }
WRITE8_MEMBER(pc9801_state::grcg_gvram_w) WRITE8_MEMBER(pc9801_state::grcg_gvram_w)
{ {
m_pc9801rs_grcg_w(offset & 0x7fff,(offset>>15)+1,data); upd7220_grcg_w(space, (offset + 0x8000) | (m_vram_bank << 17), data, mem_mask);
} }
READ8_MEMBER(pc9801_state::grcg_gvram0_r) READ8_MEMBER(pc9801_state::grcg_gvram0_r)
{ {
return m_pc9801rs_grcg_r(offset & 0x7fff,0); return upd7220_grcg_r(space, offset | (m_vram_bank << 17), mem_mask);
} }
WRITE8_MEMBER(pc9801_state::grcg_gvram0_w) WRITE8_MEMBER(pc9801_state::grcg_gvram0_w)
{ {
m_pc9801rs_grcg_w(offset & 0x7fff,0,data); upd7220_grcg_w(space, offset | (m_vram_bank << 17), data, mem_mask);
} }
static ADDRESS_MAP_START( pc9801ux_map, AS_PROGRAM, 16, pc9801_state ) static ADDRESS_MAP_START( pc9801ux_map, AS_PROGRAM, 16, pc9801_state )
AM_RANGE(0x000000, 0x09ffff) AM_RAMBANK("wram") AM_RANGE(0x000000, 0x09ffff) AM_RAMBANK("wram")
AM_RANGE(0x0a0000, 0x0a3fff) AM_READWRITE8(pc9801_tvram_r, pc9801_tvram_w, 0xffff) AM_RANGE(0x0a0000, 0x0a3fff) AM_READWRITE8(tvram_r, tvram_w, 0xffff)
AM_RANGE(0x0a4000, 0x0a4fff) AM_READWRITE8(pc9801rs_knjram_r, pc9801rs_knjram_w, 0xffff) AM_RANGE(0x0a4000, 0x0a4fff) AM_READWRITE8(pc9801rs_knjram_r, pc9801rs_knjram_w, 0xffff)
AM_RANGE(0x0a8000, 0x0bffff) AM_READWRITE8(grcg_gvram_r, grcg_gvram_w, 0xffff) AM_RANGE(0x0a8000, 0x0bffff) AM_READWRITE8(grcg_gvram_r, grcg_gvram_w, 0xffff)
AM_RANGE(0x0e0000, 0x0e7fff) AM_READWRITE8(grcg_gvram0_r,grcg_gvram0_w, 0xffff) AM_RANGE(0x0e0000, 0x0e7fff) AM_READWRITE8(grcg_gvram0_r,grcg_gvram0_w, 0xffff)
@ -1947,13 +1918,13 @@ static ADDRESS_MAP_START( pc9801ux_io, AS_IO, 16, pc9801_state )
ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x0050, 0x0057) AM_NOP // 2dd ppi? AM_RANGE(0x0050, 0x0057) AM_NOP // 2dd ppi?
AM_RANGE(0x005c, 0x005f) AM_READ(pc9821_timestamp_r) AM_WRITENOP // artic AM_RANGE(0x005c, 0x005f) AM_READ(pc9821_timestamp_r) AM_WRITENOP // artic
AM_RANGE(0x0068, 0x006b) AM_WRITE8(pc9801rs_video_ff_w,0xffff) //mode FF / <undefined> AM_RANGE(0x0068, 0x006b) AM_WRITE8(pc9801rs_video_ff_w,0x00ff) //mode FF / <undefined>
AM_RANGE(0x0070, 0x007f) AM_READWRITE8(grcg_r, grcg_w, 0x00ff) //display registers "GRCG" / i8253 pit AM_RANGE(0x0070, 0x007f) AM_READWRITE8(grcg_r, grcg_w, 0x00ff) //display registers "GRCG" / i8253 pit
AM_RANGE(0x0090, 0x0097) AM_READWRITE8(pc9801rs_2hd_r, pc9801rs_2hd_w, 0xffff) AM_RANGE(0x0090, 0x0097) AM_READWRITE8(pc9801rs_2hd_r, pc9801rs_2hd_w, 0xffff)
AM_RANGE(0x00a0, 0x00af) AM_READWRITE8(pc9801_a0_r, pc9801rs_a0_w, 0xffff) //upd7220 bitmap ports / display registers AM_RANGE(0x00a0, 0x00af) AM_READWRITE8(pc9801_a0_r, pc9801rs_a0_w, 0xffff) //upd7220 bitmap ports / display registers
AM_RANGE(0x00bc, 0x00bf) AM_READWRITE8(pc9810rs_fdc_ctrl_r,pc9810rs_fdc_ctrl_w,0xffff) AM_RANGE(0x00bc, 0x00bf) AM_READWRITE8(pc9810rs_fdc_ctrl_r,pc9810rs_fdc_ctrl_w,0xffff)
AM_RANGE(0x00c8, 0x00cf) AM_READWRITE8(pc9801rs_2hd_r, pc9801rs_2hd_w, 0xffff) AM_RANGE(0x00c8, 0x00cf) AM_READWRITE8(pc9801rs_2hd_r, pc9801rs_2hd_w, 0xffff)
AM_RANGE(0x00f0, 0x00ff) AM_READWRITE8(pc9801rs_f0_r, pc9801rs_f0_w, 0xffff) AM_RANGE(0x00f0, 0x00ff) AM_READWRITE8(a20_ctrl_r, a20_ctrl_w, 0x00ff)
AM_RANGE(0x0438, 0x043b) AM_READWRITE8(pc9801rs_access_ctrl_r,pc9801rs_access_ctrl_w,0xffff) AM_RANGE(0x0438, 0x043b) AM_READWRITE8(pc9801rs_access_ctrl_r,pc9801rs_access_ctrl_w,0xffff)
AM_RANGE(0x043c, 0x043f) AM_WRITE8(pc9801rs_bank_w, 0xffff) //ROM/RAM bank AM_RANGE(0x043c, 0x043f) AM_WRITE8(pc9801rs_bank_w, 0xffff) //ROM/RAM bank
AM_RANGE(0x3fd8, 0x3fdf) AM_DEVREADWRITE8("pit8253", pit8253_device, read, write, 0xff00) AM_RANGE(0x3fd8, 0x3fdf) AM_DEVREADWRITE8("pit8253", pit8253_device, read, write, 0xff00)
@ -1988,7 +1959,7 @@ ADDRESS_MAP_END
WRITE8_MEMBER(pc9801_state::pc9821_video_ff_w) WRITE8_MEMBER(pc9801_state::pc9821_video_ff_w)
{ {
if(offset == 2) if(offset == 1)
{ {
m_ex_video_ff[(data & 0xfe) >> 1] = data & 1; m_ex_video_ff[(data & 0xfe) >> 1] = data & 1;
@ -2132,9 +2103,6 @@ READ8_MEMBER(pc9801_state::pc9821_ext2_video_ff_r)
{ {
UINT8 res; UINT8 res;
if(offset)
return 0xff;
res = 0; res = 0;
switch(m_ext2_ff) switch(m_ext2_ff)
@ -2149,8 +2117,7 @@ READ8_MEMBER(pc9801_state::pc9821_ext2_video_ff_r)
WRITE8_MEMBER(pc9801_state::pc9821_ext2_video_ff_w) WRITE8_MEMBER(pc9801_state::pc9821_ext2_video_ff_w)
{ {
if(offset == 0) m_ext2_ff = data;
m_ext2_ff = data;
} }
/*READ8_MEMBER(pc9801_state::winram_r) /*READ8_MEMBER(pc9801_state::winram_r)
@ -2168,7 +2135,7 @@ WRITE8_MEMBER(pc9801_state::winram_w)
static ADDRESS_MAP_START( pc9821_map, AS_PROGRAM, 32, pc9801_state ) static ADDRESS_MAP_START( pc9821_map, AS_PROGRAM, 32, pc9801_state )
AM_RANGE(0x00000000, 0x0009ffff) AM_RAMBANK("wram") AM_RANGE(0x00000000, 0x0009ffff) AM_RAMBANK("wram")
//AM_RANGE(0x00080000, 0x0009ffff) AM_READWRITE8(winram_r, winram_w, 0xffffffff) //AM_RANGE(0x00080000, 0x0009ffff) AM_READWRITE8(winram_r, winram_w, 0xffffffff)
AM_RANGE(0x000a0000, 0x000a3fff) AM_READWRITE8(pc9801_tvram_r, pc9801_tvram_w, 0xffffffff) AM_RANGE(0x000a0000, 0x000a3fff) AM_READWRITE8(tvram_r, tvram_w, 0xffffffff)
AM_RANGE(0x000a4000, 0x000a4fff) AM_READWRITE8(pc9801rs_knjram_r, pc9801rs_knjram_w, 0xffffffff) AM_RANGE(0x000a4000, 0x000a4fff) AM_READWRITE8(pc9801rs_knjram_r, pc9801rs_knjram_w, 0xffffffff)
AM_RANGE(0x000a8000, 0x000bffff) AM_READWRITE8(grcg_gvram_r, grcg_gvram_w, 0xffffffff) AM_RANGE(0x000a8000, 0x000bffff) AM_READWRITE8(grcg_gvram_r, grcg_gvram_w, 0xffffffff)
AM_RANGE(0x000cc000, 0x000cdfff) AM_ROM AM_REGION("sound_bios",0) //sound BIOS AM_RANGE(0x000cc000, 0x000cdfff) AM_ROM AM_REGION("sound_bios",0) //sound BIOS
@ -2193,7 +2160,7 @@ static ADDRESS_MAP_START( pc9821_io, AS_IO, 32, pc9801_state )
AM_RANGE(0x005c, 0x005f) AM_READ16(pc9821_timestamp_r,0xffffffff) AM_WRITENOP // artic AM_RANGE(0x005c, 0x005f) AM_READ16(pc9821_timestamp_r,0xffffffff) AM_WRITENOP // artic
AM_RANGE(0x0060, 0x0063) AM_DEVREADWRITE8("upd7220_chr", upd7220_device, read, write, 0x00ff00ff) //upd7220 character ports / <undefined> AM_RANGE(0x0060, 0x0063) AM_DEVREADWRITE8("upd7220_chr", upd7220_device, read, write, 0x00ff00ff) //upd7220 character ports / <undefined>
AM_RANGE(0x0064, 0x0067) AM_WRITE8(vrtc_mask_w, 0x000000ff) AM_RANGE(0x0064, 0x0067) AM_WRITE8(vrtc_mask_w, 0x000000ff)
AM_RANGE(0x0068, 0x006b) AM_WRITE8(pc9821_video_ff_w, 0xffffffff) //mode FF / <undefined> AM_RANGE(0x0068, 0x006b) AM_WRITE8(pc9821_video_ff_w, 0x00ff00ff) //mode FF / <undefined>
AM_RANGE(0x0070, 0x007f) AM_DEVREADWRITE8("pit8253", pit8253_device, read, write, 0xff00ff00) AM_RANGE(0x0070, 0x007f) AM_DEVREADWRITE8("pit8253", pit8253_device, read, write, 0xff00ff00)
AM_RANGE(0x0070, 0x007f) AM_READWRITE8(grcg_r, grcg_w, 0x00ff00ff) //display registers "GRCG" / i8253 pit AM_RANGE(0x0070, 0x007f) AM_READWRITE8(grcg_r, grcg_w, 0x00ff00ff) //display registers "GRCG" / i8253 pit
AM_RANGE(0x0090, 0x0097) AM_READWRITE8(pc9801rs_2hd_r, pc9801rs_2hd_w, 0xffffffff) AM_RANGE(0x0090, 0x0097) AM_READWRITE8(pc9801rs_2hd_r, pc9801rs_2hd_w, 0xffffffff)
@ -2204,7 +2171,7 @@ static ADDRESS_MAP_START( pc9821_io, AS_IO, 32, pc9801_state )
AM_RANGE(0x00bc, 0x00bf) AM_READWRITE8(pc9810rs_fdc_ctrl_r,pc9810rs_fdc_ctrl_w,0xffffffff) AM_RANGE(0x00bc, 0x00bf) AM_READWRITE8(pc9810rs_fdc_ctrl_r,pc9810rs_fdc_ctrl_w,0xffffffff)
AM_RANGE(0x00c8, 0x00cf) AM_READWRITE8(pc9801rs_2hd_r, pc9801rs_2hd_w, 0xffffffff) AM_RANGE(0x00c8, 0x00cf) AM_READWRITE8(pc9801rs_2hd_r, pc9801rs_2hd_w, 0xffffffff)
// AM_RANGE(0x00d8, 0x00df) AMD98 (sound?) board // AM_RANGE(0x00d8, 0x00df) AMD98 (sound?) board
AM_RANGE(0x00f0, 0x00ff) AM_READWRITE8(pc9801rs_f0_r, pc9801rs_f0_w, 0xffffffff) AM_RANGE(0x00f0, 0x00ff) AM_READWRITE8(a20_ctrl_r, a20_ctrl_w, 0x00ff00ff)
// AM_RANGE(0x0188, 0x018f) AM_READWRITE8(pc9801_opn_r, pc9801_opn_w, 0xffffffff) //ym2203 opn / <undefined> // AM_RANGE(0x0188, 0x018f) AM_READWRITE8(pc9801_opn_r, pc9801_opn_w, 0xffffffff) //ym2203 opn / <undefined>
// AM_RANGE(0x018c, 0x018f) YM2203 OPN extended ports / <undefined> // AM_RANGE(0x018c, 0x018f) YM2203 OPN extended ports / <undefined>
AM_RANGE(0x0430, 0x0433) AM_READ8(ide_hack_r, 0x000000ff) AM_RANGE(0x0430, 0x0433) AM_READ8(ide_hack_r, 0x000000ff)
@ -2217,7 +2184,7 @@ static ADDRESS_MAP_START( pc9821_io, AS_IO, 32, pc9801_state )
AM_RANGE(0x0640, 0x064f) AM_DEVREADWRITE16("ide", ata_interface_device, read_cs0, write_cs0, 0xffffffff) AM_RANGE(0x0640, 0x064f) AM_DEVREADWRITE16("ide", ata_interface_device, read_cs0, write_cs0, 0xffffffff)
AM_RANGE(0x0740, 0x074f) AM_DEVREADWRITE16("ide", ata_interface_device, read_cs1, write_cs1, 0xffffffff) AM_RANGE(0x0740, 0x074f) AM_DEVREADWRITE16("ide", ata_interface_device, read_cs1, write_cs1, 0xffffffff)
// AM_RANGE(0x08e0, 0x08ea) <undefined> / EMM SIO registers // AM_RANGE(0x08e0, 0x08ea) <undefined> / EMM SIO registers
AM_RANGE(0x09a0, 0x09a3) AM_READWRITE8(pc9821_ext2_video_ff_r, pc9821_ext2_video_ff_w, 0xffffffff) // GDC extended register r/w AM_RANGE(0x09a0, 0x09a3) AM_READWRITE8(pc9821_ext2_video_ff_r, pc9821_ext2_video_ff_w, 0x000000ff) // GDC extended register r/w
// AM_RANGE(0x09a8, 0x09a8) GDC 31KHz register r/w // AM_RANGE(0x09a8, 0x09a8) GDC 31KHz register r/w
// AM_RANGE(0x0c07, 0x0c07) EPSON register w // AM_RANGE(0x0c07, 0x0c07) EPSON register w
// AM_RANGE(0x0c03, 0x0c03) EPSON register 0 r // AM_RANGE(0x0c03, 0x0c03) EPSON register 0 r
@ -2561,7 +2528,7 @@ READ8_MEMBER(pc9801_state::get_slave_ack)
* *
****************************************/ ****************************************/
WRITE_LINE_MEMBER(pc9801_state::pc9801_dma_hrq_changed) WRITE_LINE_MEMBER(pc9801_state::dma_hrq_changed)
{ {
m_maincpu->set_input_line(INPUT_LINE_HALT, state ? ASSERT_LINE : CLEAR_LINE); m_maincpu->set_input_line(INPUT_LINE_HALT, state ? ASSERT_LINE : CLEAR_LINE);
@ -2570,7 +2537,7 @@ WRITE_LINE_MEMBER(pc9801_state::pc9801_dma_hrq_changed)
// logerror("%02x HLDA\n",state); // logerror("%02x HLDA\n",state);
} }
WRITE_LINE_MEMBER(pc9801_state::pc9801_tc_w ) WRITE_LINE_MEMBER(pc9801_state::tc_w )
{ {
/* floppy terminal count */ /* floppy terminal count */
m_fdc_2hd->tc_w(state); m_fdc_2hd->tc_w(state);
@ -2580,7 +2547,7 @@ WRITE_LINE_MEMBER(pc9801_state::pc9801_tc_w )
// logerror("TC %02x\n",state); // logerror("TC %02x\n",state);
} }
READ8_MEMBER(pc9801_state::pc9801_dma_read_byte) READ8_MEMBER(pc9801_state::dma_read_byte)
{ {
address_space &program = m_maincpu->space(AS_PROGRAM); address_space &program = m_maincpu->space(AS_PROGRAM);
offs_t addr = (m_dma_offset[m_dack] << 16) | offset; offs_t addr = (m_dma_offset[m_dack] << 16) | offset;
@ -2591,7 +2558,7 @@ READ8_MEMBER(pc9801_state::pc9801_dma_read_byte)
} }
WRITE8_MEMBER(pc9801_state::pc9801_dma_write_byte) WRITE8_MEMBER(pc9801_state::dma_write_byte)
{ {
address_space &program = m_maincpu->space(AS_PROGRAM); address_space &program = m_maincpu->space(AS_PROGRAM);
offs_t addr = (m_dma_offset[m_dack] << 16) | offset; offs_t addr = (m_dma_offset[m_dack] << 16) | offset;
@ -2606,10 +2573,10 @@ void pc9801_state::set_dma_channel(int channel, int state)
if (!state) m_dack = channel; if (!state) m_dack = channel;
} }
WRITE_LINE_MEMBER(pc9801_state::pc9801_dack0_w){ /*logerror("%02x 0\n",state);*/ set_dma_channel(0, state); } WRITE_LINE_MEMBER(pc9801_state::dack0_w){ /*logerror("%02x 0\n",state);*/ set_dma_channel(0, state); }
WRITE_LINE_MEMBER(pc9801_state::pc9801_dack1_w){ /*logerror("%02x 1\n",state);*/ set_dma_channel(1, state); } WRITE_LINE_MEMBER(pc9801_state::dack1_w){ /*logerror("%02x 1\n",state);*/ set_dma_channel(1, state); }
WRITE_LINE_MEMBER(pc9801_state::pc9801_dack2_w){ /*logerror("%02x 2\n",state);*/ set_dma_channel(2, state); } WRITE_LINE_MEMBER(pc9801_state::dack2_w){ /*logerror("%02x 2\n",state);*/ set_dma_channel(2, state); }
WRITE_LINE_MEMBER(pc9801_state::pc9801_dack3_w){ /*logerror("%02x 3\n",state);*/ set_dma_channel(3, state); } WRITE_LINE_MEMBER(pc9801_state::dack3_w){ /*logerror("%02x 3\n",state);*/ set_dma_channel(3, state); }
/* /*
ch1 cs-4231a ch1 cs-4231a
@ -2981,16 +2948,16 @@ static MACHINE_CONFIG_FRAGMENT( pc9801_common )
MCFG_PIT8253_OUT2_HANDLER(WRITELINE(pc9801_state, write_uart_clock)) MCFG_PIT8253_OUT2_HANDLER(WRITELINE(pc9801_state, write_uart_clock))
MCFG_DEVICE_ADD("i8237", AM9517A, 5000000) // unknown clock, TODO: check channels 0 - 1 MCFG_DEVICE_ADD("i8237", AM9517A, 5000000) // unknown clock, TODO: check channels 0 - 1
MCFG_I8237_OUT_HREQ_CB(WRITELINE(pc9801_state, pc9801_dma_hrq_changed)) MCFG_I8237_OUT_HREQ_CB(WRITELINE(pc9801_state, dma_hrq_changed))
MCFG_I8237_OUT_EOP_CB(WRITELINE(pc9801_state, pc9801_tc_w)) MCFG_I8237_OUT_EOP_CB(WRITELINE(pc9801_state, tc_w))
MCFG_I8237_IN_MEMR_CB(READ8(pc9801_state, pc9801_dma_read_byte)) MCFG_I8237_IN_MEMR_CB(READ8(pc9801_state, dma_read_byte))
MCFG_I8237_OUT_MEMW_CB(WRITE8(pc9801_state, pc9801_dma_write_byte)) MCFG_I8237_OUT_MEMW_CB(WRITE8(pc9801_state, dma_write_byte))
MCFG_I8237_IN_IOR_2_CB(DEVREAD8("upd765_2hd", upd765a_device, mdma_r)) MCFG_I8237_IN_IOR_2_CB(DEVREAD8("upd765_2hd", upd765a_device, mdma_r))
MCFG_I8237_OUT_IOW_2_CB(DEVWRITE8("upd765_2hd", upd765a_device, mdma_w)) MCFG_I8237_OUT_IOW_2_CB(DEVWRITE8("upd765_2hd", upd765a_device, mdma_w))
MCFG_I8237_OUT_DACK_0_CB(WRITELINE(pc9801_state, pc9801_dack0_w)) MCFG_I8237_OUT_DACK_0_CB(WRITELINE(pc9801_state, dack0_w))
MCFG_I8237_OUT_DACK_1_CB(WRITELINE(pc9801_state, pc9801_dack1_w)) MCFG_I8237_OUT_DACK_1_CB(WRITELINE(pc9801_state, dack1_w))
MCFG_I8237_OUT_DACK_2_CB(WRITELINE(pc9801_state, pc9801_dack2_w)) MCFG_I8237_OUT_DACK_2_CB(WRITELINE(pc9801_state, dack2_w))
MCFG_I8237_OUT_DACK_3_CB(WRITELINE(pc9801_state, pc9801_dack3_w)) MCFG_I8237_OUT_DACK_3_CB(WRITELINE(pc9801_state, dack3_w))
MCFG_PIC8259_ADD( "pic8259_master", INPUTLINE("maincpu", 0), VCC, READ8(pc9801_state,get_slave_ack) ) MCFG_PIC8259_ADD( "pic8259_master", INPUTLINE("maincpu", 0), VCC, READ8(pc9801_state,get_slave_ack) )
MCFG_PIC8259_ADD( "pic8259_slave", DEVWRITELINE("pic8259_master", pic8259_device, ir7_w), GND, NULL ) // TODO: Check ir7_w MCFG_PIC8259_ADD( "pic8259_slave", DEVWRITELINE("pic8259_master", pic8259_device, ir7_w), GND, NULL ) // TODO: Check ir7_w
@ -3261,13 +3228,15 @@ ROM_END
/* /*
RX - 80286 12 (no V30?) RX - 80286 12 (no V30?)
IPL is from ux The bios is from a 386 model not an RX
*/ */
ROM_START( pc9801rx ) ROM_START( pc9801rx )
ROM_REGION( 0x60000, "ipl", ROMREGION_ERASEFF ) ROM_REGION( 0x60000, "ipl", ROMREGION_ERASEFF )
ROM_LOAD( "itf_ux.rom", 0x18000, 0x08000, BAD_DUMP CRC(c7942563) SHA1(61bb210d64c7264be939b11df1e9cd14ffeee3c9) ) ROM_LOAD( "itf_rs.rom", 0x18000, 0x08000, BAD_DUMP CRC(c1815325) SHA1(a2fb11c000ed7c976520622cfb7940ed6ddc904e) )
ROM_LOAD( "bios_rx.rom", 0x28000, 0x018000, BAD_DUMP CRC(0a682b93) SHA1(76a7360502fa0296ea93b4c537174610a834d367) ) ROM_LOAD( "bios_rx.rom", 0x28000, 0x018000, BAD_DUMP CRC(0a682b93) SHA1(76a7360502fa0296ea93b4c537174610a834d367) )
// fix csum
ROM_FILL(0x3fffe, 1, 0x0d)
ROM_REGION( 0x10000, "sound_bios", 0 ) ROM_REGION( 0x10000, "sound_bios", 0 )
ROM_LOAD( "sound_rx.rom", 0x000000, 0x004000, CRC(fe9f57f2) SHA1(d5dbc4fea3b8367024d363f5351baecd6adcd8ef) ) ROM_LOAD( "sound_rx.rom", 0x000000, 0x004000, CRC(fe9f57f2) SHA1(d5dbc4fea3b8367024d363f5351baecd6adcd8ef) )
@ -3276,7 +3245,7 @@ ROM_START( pc9801rx )
ROM_LOAD( "font_rx.rom", 0x000000, 0x046800, CRC(456d9fc7) SHA1(78ba9960f135372825ab7244b5e4e73a810002ff) ) ROM_LOAD( "font_rx.rom", 0x000000, 0x046800, CRC(456d9fc7) SHA1(78ba9960f135372825ab7244b5e4e73a810002ff) )
LOAD_KANJI_ROMS LOAD_KANJI_ROMS
// LOAD_IDE_ROM LOAD_IDE_ROM
ROM_END ROM_END
/* /*
@ -3611,7 +3580,7 @@ COMP( 1983, pc9801f, 0, 0, pc9801, pc9801, pc9801_state, pc9801_
COMP( 1989, pc9801rs, 0 ,0, pc9801rs, pc9801rs, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9801RS", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND) //TODO: not sure about the exact model COMP( 1989, pc9801rs, 0 ,0, pc9801rs, pc9801rs, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9801RS", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND) //TODO: not sure about the exact model
COMP( 1985, pc9801vm, pc9801ux,0, pc9801vm, pc9801rs, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9801VM", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND) COMP( 1985, pc9801vm, pc9801ux,0, pc9801vm, pc9801rs, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9801VM", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND)
COMP( 1987, pc9801ux, 0 ,0, pc9801ux, pc9801rs, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9801UX", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND) COMP( 1987, pc9801ux, 0 ,0, pc9801ux, pc9801rs, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9801UX", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND)
COMP( 1988, pc9801rx, pc9801ux,0, pc9801ux, pc9801rs, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9801RX", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND) COMP( 1988, pc9801rx, pc9801rs,0, pc9801rs, pc9801rs, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9801RX", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND)
COMP( 1993, pc9801bx2, pc9801rs,0, pc9801bx2,pc9801rs, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9801BX2/U2", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND) COMP( 1993, pc9801bx2, pc9801rs,0, pc9801bx2,pc9801rs, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9801BX2/U2", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND)
COMP( 1994, pc9821, 0, 0, pc9821, pc9821, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9821 (98MATE)", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND) //TODO: not sure about the exact model COMP( 1994, pc9821, 0, 0, pc9821, pc9821, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9821 (98MATE)", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND) //TODO: not sure about the exact model
COMP( 1993, pc9821as, pc9821, 0, pc9821, pc9821, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9821 (98MATE A)", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND) COMP( 1993, pc9821as, pc9821, 0, pc9821, pc9821, pc9801_state, pc9801_kanji, "Nippon Electronic Company", "PC-9821 (98MATE A)", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND)