Resolved SVN conflict ...

This commit is contained in:
Angelo Salese 2012-11-15 00:50:58 +00:00
parent 8b6f7e481c
commit 7df4c13f44
3 changed files with 368 additions and 640 deletions

1
.gitattributes vendored
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@ -5907,7 +5907,6 @@ src/mess/drivers/nakajies.c svneol=native#text/plain
src/mess/drivers/nanos.c svneol=native#text/plain
src/mess/drivers/nascom1.c svneol=native#text/plain
src/mess/drivers/nc.c svneol=native#text/plain
src/mess/drivers/necapc.c svneol=native#text/plain
src/mess/drivers/nes.c svneol=native#text/plain
src/mess/drivers/newbrain.c svneol=native#text/plain
src/mess/drivers/next.c svneol=native#text/plain

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@ -12,15 +12,36 @@
69PFB2 8086/8087 DFBU2J PFBU2L 2732
69SNB RAM
i/o memory map:
0x00 - 0x1f DMA
0x20 - 0x23 i8259 master
0x28 - 0x2b i8259 slave
0x2b / 0x2f / 0x61 / 0x6f pit8253 (!)
0x30 - 0x37 serial i8251, even #1 / odd #2
0x38 - 0x3f DMA segments
0x40 - 0x43 upd7220, even chr / odd bitmap
0x48 - 0x4f keyboard
0x50 - 0x53 upd765
0x58 rtc
0x5a - 0x5e APU
0x60 MPU (melody)
0x68 - 0x6f parallel port
***************************************************************************/
#include "emu.h"
#include "cpu/i86/i86.h"
#include "machine/pic8259.h"
#include "machine/pit8253.h"
#include "machine/8237dma.h"
#include "machine/upd765.h"
#include "video/upd7220.h"
#include "imagedev/flopdrv.h"
#include "formats/mfi_dsk.h"
#include "formats/d88_dsk.h"
//#include "sound/ay8910.h"
class apc_state : public driver_device
{
public:
@ -28,17 +49,51 @@ public:
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_hgdc1(*this, "upd7220_chr"),
m_hgdc2(*this, "upd7220_btm")
m_hgdc2(*this, "upd7220_btm"),
m_i8259_m(*this, "pic8259_master"),
m_i8259_s(*this, "pic8259_slave")
{ }
// devices
required_device<cpu_device> m_maincpu;
required_device<upd7220_device> m_hgdc1;
required_device<upd7220_device> m_hgdc2;
required_device<pic8259_device> m_i8259_m;
required_device<pic8259_device> m_i8259_s;
UINT8 *m_char_rom;
// screen updates
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
DECLARE_READ8_MEMBER(apc_port_28_r);
DECLARE_WRITE8_MEMBER(apc_port_28_w);
DECLARE_WRITE8_MEMBER(apc_port_2e_w);
DECLARE_READ8_MEMBER(apc_port_60_r);
DECLARE_WRITE8_MEMBER(apc_port_60_w);
DECLARE_READ8_MEMBER(apc_gdc_r);
DECLARE_WRITE8_MEMBER(apc_gdc_w);
DECLARE_READ8_MEMBER(apc_dma_r);
DECLARE_WRITE8_MEMBER(apc_dma_w);
DECLARE_WRITE_LINE_MEMBER(apc_master_set_int_line);
DECLARE_READ8_MEMBER(get_slave_ack);
DECLARE_WRITE_LINE_MEMBER(pc_dma_hrq_changed);
DECLARE_WRITE_LINE_MEMBER(pc_dack0_w);
DECLARE_WRITE_LINE_MEMBER(pc_dack1_w);
DECLARE_WRITE_LINE_MEMBER(pc_dack2_w);
DECLARE_WRITE_LINE_MEMBER(pc_dack3_w);
DECLARE_READ8_MEMBER(test_r);
DECLARE_WRITE8_MEMBER(test_w);
DECLARE_READ8_MEMBER(pc_dma_read_byte);
DECLARE_WRITE8_MEMBER(pc_dma_write_byte);
DECLARE_DRIVER_INIT(apc);
int m_dma_channel;
UINT8 m_dma_offset[2][4];
UINT8 m_at_pages[0x10];
protected:
// driver_device overrides
virtual void machine_start();
@ -50,7 +105,7 @@ protected:
void apc_state::video_start()
{
m_char_rom = memregion("gfx")->base();
}
UINT32 apc_state::screen_update( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect )
@ -72,36 +127,157 @@ static UPD7220_DISPLAY_PIXELS( hgdc_display_pixels )
static UPD7220_DRAW_TEXT_LINE( hgdc_draw_text )
{
// ...
}
READ8_MEMBER(apc_state::apc_port_28_r)
{
UINT8 res;
if(offset & 1)
{
if(offset == 3)
res = pit8253_r(machine().device("pit8253"), space, 0);
else
{
printf("Read undefined port 0x29\n");
res = 0xff;
}
}
else
{
res = pic8259_r(machine().device("pic8259_slave"), space, (offset & 2) >> 1);
}
return res;
}
WRITE8_MEMBER(apc_state::apc_port_28_w)
{
if(offset & 1)
{
if(offset == 3)
pit8253_w(machine().device("pit8253"), space, 0, data);
else
{
printf("Write undefined port 0x29\n");
}
}
else
{
pic8259_w(machine().device("pic8259_slave"), space, (offset & 2) >> 1, data);
}
}
WRITE8_MEMBER(apc_state::apc_port_2e_w)
{
pit8253_w(machine().device("pit8253"), space, 1, data);
}
READ8_MEMBER(apc_state::apc_port_60_r)
{
UINT8 res;
if(offset & 1)
{
if(offset == 1)
res = pit8253_r(machine().device("pit8253"), space, 2);
else
{
printf("Read undefined port %02x\n",offset+0x60);
res = 0xff;
}
}
else
{
printf("Read melody port %02x\n",offset+0x60);
res = 0xff;
}
return res;
}
WRITE8_MEMBER(apc_state::apc_port_60_w)
{
if(offset & 1)
{
if(offset == 1)
pit8253_w(machine().device("pit8253"), space, 2, data);
else if(offset == 7)
pit8253_w(machine().device("pit8253"), space, 3, data);
else
{
printf("Write undefined port %02x\n",offset+0x60);
}
}
else
{
printf("Write melody port %02x\n",offset+0x60);
}
}
READ8_MEMBER(apc_state::apc_gdc_r)
{
UINT8 res;
if(offset & 1)
res = m_hgdc2->read(space, (offset & 2) >> 1); // upd7220 bitmap port
else
res = m_hgdc1->read(space, (offset & 2) >> 1); // upd7220 character port
return res;
}
WRITE8_MEMBER(apc_state::apc_gdc_w)
{
if(offset & 1)
m_hgdc2->write(space, (offset & 2) >> 1,data); // upd7220 bitmap port
else
m_hgdc1->write(space, (offset & 2) >> 1,data); // upd7220 character port
}
READ8_MEMBER(apc_state::apc_dma_r)
{
return i8237_r(machine().device("8237dma"), space, offset & 0xf);
}
WRITE8_MEMBER(apc_state::apc_dma_w)
{
//printf("%08x %02x\n",m_maincpu->pc(),data);
i8237_w(machine().device("8237dma"), space, offset & 0xf, data);
}
static ADDRESS_MAP_START( apc_map, AS_PROGRAM, 16, apc_state )
AM_RANGE(0x00000, 0x1ffff) AM_RAM
// AM_RANGE(0xa0000, 0xaffff) AM_ROM AM_REGION("file", 0)
// AM_RANGE(0xa0000, 0xaffff) space for an external ROM
AM_RANGE(0xfe000, 0xfffff) AM_ROM AM_REGION("ipl", 0)
ADDRESS_MAP_END
static ADDRESS_MAP_START( apc_io, AS_IO, 16, apc_state )
// ADDRESS_MAP_GLOBAL_MASK(0xff)
// AM_RANGE(0x00, 0x1f) i8237
// AM_RANGE(0x20, 0x23) i8259 master
// AM_RANGE(0x28, 0x2b) i8259 slave
AM_RANGE(0x00, 0x1f) AM_READWRITE8(apc_dma_r, apc_dma_w, 0x00ff)
AM_RANGE(0x20, 0x23) AM_DEVREADWRITE8_LEGACY("pic8259_master", pic8259_r, pic8259_w, 0x00ff) // i8259
AM_RANGE(0x28, 0x2b) AM_READWRITE8(apc_port_28_r, apc_port_28_w, 0xffff)
AM_RANGE(0x2e, 0x2f) AM_WRITE8(apc_port_2e_w, 0x00ff)
// 0x2b RTC counter port 0
// 0x2f RTC counter mode 0 (w)
// 0x30, 0x37 serial port 0/1 (i8251) (even/odd)
// 0x38, 0x3f DMA extended address
AM_RANGE(0x40, 0x43) AM_DEVREADWRITE8("upd7220_chr", upd7220_device, read, write, 0x00ff) // odd address UPD7220 #2!
AM_RANGE(0x40, 0x43) AM_READWRITE8(apc_gdc_r, apc_gdc_w, 0xffff)
// 0x46 UPD7220 reset interrupt
// 0x48, 0x4f keyboard controller
// 0x50, 0x53 upd765
AM_RANGE(0x50, 0x53) AM_DEVICE8("upd765", upd765a_device, map, 0x00ff ) // upd765
// 0x5a APU data (Arithmetic Processing Unit!)
// 0x5e APU status/command
AM_RANGE(0x60, 0x67) AM_READWRITE8(apc_port_60_r, apc_port_60_w, 0xffff)
// 0x60 Melody Processing Unit
// 0x61 RTC counter port 1
// 0x67 RTC counter mode 1 (w)
// AM_RANGE(0x68, 0x6f) i8255 , printer port (A: status (R) B: data (W) C: command (W))
// AM_DEVREADWRITE8("upd7220_btm", upd7220_device, read, write, 0x00ff)
ADDRESS_MAP_END
static INPUT_PORTS_START( apc )
@ -195,19 +371,20 @@ static UPD7220_INTERFACE( hgdc_2_intf )
DEVCB_NULL
};
static const gfx_layout apc_chars_8x8 =
static const gfx_layout charset_8x16 =
{
8,8,
RGN_FRAC(1,1),
2,
{ 0, 1 },
{ 0, 1*2, 2*2, 3*2, 4*2, 5*2, 6*2, 7*2 },
{ 0*8*2, 1*8*2, 2*8*2, 3*8*2, 4*8*2, 5*8*2, 6*8*2, 7*8*2 },
8*8*2
8,16,
256,
1,
{ 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, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 },
8*16
};
static GFXDECODE_START( apc )
GFXDECODE_ENTRY( "gfx", 0x0000, apc_chars_8x8, 0, 8 )
GFXDECODE_ENTRY( "gfx", 0x0000, charset_8x16, 0, 8 )
GFXDECODE_END
@ -219,6 +396,154 @@ static ADDRESS_MAP_START( upd7220_2_map, AS_0, 8, apc_state )
AM_RANGE(0x00000, 0x3ffff) AM_RAM AM_SHARE("video_ram_2")
ADDRESS_MAP_END
static const struct pit8253_config pit8253_config =
{
{
{
1996800, /* heartbeat IRQ */
DEVCB_NULL,
DEVCB_NULL
}, {
1996800, /* Memory Refresh */
DEVCB_NULL,
DEVCB_NULL
}, {
1996800, /* RS-232c */
DEVCB_NULL,
DEVCB_NULL
}
}
};
/*
irq assignment:
8259 master:
ir0
ir1
ir2
ir3
ir4
ir5
ir6
ir7
8259 slave:
ir0
ir1
ir2
ir3
ir4
ir5
ir6
ir7
*/
WRITE_LINE_MEMBER(apc_state::apc_master_set_int_line)
{
//printf("%02x\n",interrupt);
machine().device("maincpu")->execute().set_input_line(0, state ? HOLD_LINE : CLEAR_LINE);
}
READ8_MEMBER(apc_state::get_slave_ack)
{
if (offset==7) { // IRQ = 7
return pic8259_acknowledge( machine().device( "pic8259_slave" ));
}
return 0x00;
}
static const struct pic8259_interface pic8259_master_config =
{
DEVCB_DRIVER_LINE_MEMBER(apc_state, apc_master_set_int_line),
DEVCB_LINE_VCC,
DEVCB_DRIVER_MEMBER(apc_state,get_slave_ack)
};
static const struct pic8259_interface pic8259_slave_config =
{
DEVCB_DEVICE_LINE("pic8259_master", pic8259_ir7_w), //TODO: check me
DEVCB_LINE_GND,
DEVCB_NULL
};
/****************************************
*
* I8237 DMA interface
*
****************************************/
WRITE_LINE_MEMBER(apc_state::pc_dma_hrq_changed)
{
machine().device("maincpu")->execute().set_input_line(INPUT_LINE_HALT, state ? ASSERT_LINE : CLEAR_LINE);
/* Assert HLDA */
i8237_hlda_w( machine().device("dma8237"), state );
}
READ8_MEMBER(apc_state::pc_dma_read_byte)
{
offs_t page_offset = (((offs_t) m_dma_offset[0][m_dma_channel]) << 16)
& 0xFF0000;
return space.read_byte(page_offset + offset);
}
WRITE8_MEMBER(apc_state::pc_dma_write_byte)
{
offs_t page_offset = (((offs_t) m_dma_offset[0][m_dma_channel]) << 16)
& 0xFF0000;
space.write_byte(page_offset + offset, data);
}
static void set_dma_channel(running_machine &machine, int channel, int state)
{
apc_state *drvstate = machine.driver_data<apc_state>();
if (!state) drvstate->m_dma_channel = channel;
}
WRITE_LINE_MEMBER(apc_state::pc_dack0_w){ /*printf("%02x 0\n",state);*/ set_dma_channel(machine(), 0, state); }
WRITE_LINE_MEMBER(apc_state::pc_dack1_w){ /*printf("%02x 1\n",state);*/ set_dma_channel(machine(), 1, state); }
WRITE_LINE_MEMBER(apc_state::pc_dack2_w){ /*printf("%02x 2\n",state);*/ set_dma_channel(machine(), 2, state); }
WRITE_LINE_MEMBER(apc_state::pc_dack3_w){ /*printf("%02x 3\n",state);*/ set_dma_channel(machine(), 3, state); }
READ8_MEMBER(apc_state::test_r)
{
// printf("2dd DACK R\n");
return 0xff;
}
WRITE8_MEMBER(apc_state::test_w)
{
// printf("2dd DACK W\n");
}
static I8237_INTERFACE( dma8237_config )
{
DEVCB_DRIVER_LINE_MEMBER(apc_state, pc_dma_hrq_changed),
DEVCB_NULL,
DEVCB_DRIVER_MEMBER(apc_state, pc_dma_read_byte),
DEVCB_DRIVER_MEMBER(apc_state, pc_dma_write_byte),
{ DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_DRIVER_MEMBER(apc_state,test_r) },
{ DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_DRIVER_MEMBER(apc_state,test_w) },
{ DEVCB_DRIVER_LINE_MEMBER(apc_state, pc_dack0_w), DEVCB_DRIVER_LINE_MEMBER(apc_state, pc_dack1_w), DEVCB_DRIVER_LINE_MEMBER(apc_state, pc_dack2_w), DEVCB_DRIVER_LINE_MEMBER(apc_state, pc_dack3_w) }
};
static const floppy_format_type apc_floppy_formats[] = {
FLOPPY_D88_FORMAT,
FLOPPY_MFI_FORMAT,
NULL // TODO: IMD
};
static SLOT_INTERFACE_START( apc_floppies )
SLOT_INTERFACE( "525hd", FLOPPY_525_HD ) // TODO: 8"
SLOT_INTERFACE_END
#define MAIN_CLOCK XTAL_5MHz
static MACHINE_CONFIG_START( apc, apc_state )
@ -228,6 +553,15 @@ static MACHINE_CONFIG_START( apc, apc_state )
MCFG_CPU_PROGRAM_MAP(apc_map)
MCFG_CPU_IO_MAP(apc_io)
MCFG_PIT8253_ADD( "pit8253", pit8253_config )
MCFG_PIC8259_ADD( "pic8259_master", pic8259_master_config )
MCFG_PIC8259_ADD( "pic8259_slave", pic8259_slave_config )
MCFG_I8237_ADD("8237dma", MAIN_CLOCK, dma8237_config)
MCFG_UPD765A_ADD("upd765", true, true)
MCFG_FLOPPY_DRIVE_ADD("upd765:0", apc_floppies, "525hd", 0, apc_floppy_formats)
MCFG_FLOPPY_DRIVE_ADD("upd765:1", apc_floppies, "525hd", 0, apc_floppy_formats)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
@ -265,7 +599,19 @@ ROM_START( apc )
// ROM_LOAD( "sioapc.o", 0, 0x10000, CRC(1) SHA1(1) )
ROM_REGION( 0x2000, "gfx", ROMREGION_ERASE00 )
ROM_LOAD( "pfcu1r.bin", 0x000000, 0x002000, CRC(683efa94) SHA1(43157984a1746b2e448f3236f571011af9a3aa73) )
ROM_LOAD( "pfcu1r.bin", 0x000000, 0x002000, BAD_DUMP CRC(683efa94) SHA1(43157984a1746b2e448f3236f571011af9a3aa73) )
ROM_END
GAME( 198?, apc, 0, apc, apc, driver_device, 0, ROT0, "NEC", "APC", GAME_IS_SKELETON )
DRIVER_INIT_MEMBER(apc_state,apc)
{
UINT8 *ROM = memregion("ipl")->base();
/* patch DMA check */
ROM[0xff334 & 0x1fff] = 0x90;
ROM[0xff335 & 0x1fff] = 0x90;
ROM[0xff339 & 0x1fff] = 0x90;
ROM[0xff33a & 0x1fff] = 0x90;
}
GAME( 198?, apc, 0, apc, apc, apc_state, apc, ROT0, "NEC", "APC", GAME_IS_SKELETON )

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@ -1,617 +0,0 @@
/***************************************************************************
NEC APC
front ^
|
card
----
69PFCU 7220 PFCU1R 2764
69PTS 7220
-
69PFB2 8086/8087 DFBU2J PFBU2L 2732
69SNB RAM
i/o memory map:
0x00 - 0x1f DMA
0x20 - 0x23 i8259 master
0x28 - 0x2b i8259 slave
0x2b / 0x2f / 0x61 / 0x6f pit8253 (!)
0x30 - 0x37 serial i8251, even #1 / odd #2
0x38 - 0x3f DMA segments
0x40 - 0x43 upd7220, even chr / odd bitmap
0x48 - 0x4f keyboard
0x50 - 0x53 upd765
0x58 rtc
0x5a - 0x5e APU
0x60 MPU (melody)
0x68 - 0x6f parallel port
***************************************************************************/
#include "emu.h"
#include "cpu/i86/i86.h"
#include "machine/pic8259.h"
#include "machine/pit8253.h"
#include "machine/8237dma.h"
#include "machine/upd765.h"
#include "video/upd7220.h"
#include "imagedev/flopdrv.h"
#include "formats/mfi_dsk.h"
#include "formats/d88_dsk.h"
//#include "sound/ay8910.h"
class apc_state : public driver_device
{
public:
apc_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_hgdc1(*this, "upd7220_chr"),
m_hgdc2(*this, "upd7220_btm"),
m_i8259_m(*this, "pic8259_master"),
m_i8259_s(*this, "pic8259_slave")
{ }
// devices
required_device<cpu_device> m_maincpu;
required_device<upd7220_device> m_hgdc1;
required_device<upd7220_device> m_hgdc2;
required_device<pic8259_device> m_i8259_m;
required_device<pic8259_device> m_i8259_s;
UINT8 *m_char_rom;
// screen updates
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
DECLARE_READ8_MEMBER(apc_port_28_r);
DECLARE_WRITE8_MEMBER(apc_port_28_w);
DECLARE_WRITE8_MEMBER(apc_port_2e_w);
DECLARE_READ8_MEMBER(apc_port_60_r);
DECLARE_WRITE8_MEMBER(apc_port_60_w);
DECLARE_READ8_MEMBER(apc_gdc_r);
DECLARE_WRITE8_MEMBER(apc_gdc_w);
DECLARE_READ8_MEMBER(apc_dma_r);
DECLARE_WRITE8_MEMBER(apc_dma_w);
DECLARE_WRITE_LINE_MEMBER(apc_master_set_int_line);
DECLARE_READ8_MEMBER(get_slave_ack);
DECLARE_WRITE_LINE_MEMBER(pc_dma_hrq_changed);
DECLARE_WRITE_LINE_MEMBER(pc_dack0_w);
DECLARE_WRITE_LINE_MEMBER(pc_dack1_w);
DECLARE_WRITE_LINE_MEMBER(pc_dack2_w);
DECLARE_WRITE_LINE_MEMBER(pc_dack3_w);
DECLARE_READ8_MEMBER(test_r);
DECLARE_WRITE8_MEMBER(test_w);
DECLARE_READ8_MEMBER(pc_dma_read_byte);
DECLARE_WRITE8_MEMBER(pc_dma_write_byte);
DECLARE_DRIVER_INIT(apc);
int m_dma_channel;
UINT8 m_dma_offset[2][4];
UINT8 m_at_pages[0x10];
protected:
// driver_device overrides
virtual void machine_start();
virtual void machine_reset();
virtual void video_start();
virtual void palette_init();
};
void apc_state::video_start()
{
m_char_rom = memregion("gfx")->base();
}
UINT32 apc_state::screen_update( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect )
{
bitmap.fill(0, cliprect);
/* graphics */
m_hgdc2->screen_update(screen, bitmap, cliprect);
m_hgdc1->screen_update(screen, bitmap, cliprect);
return 0;
}
static UPD7220_DISPLAY_PIXELS( hgdc_display_pixels )
{
// ...
}
static UPD7220_DRAW_TEXT_LINE( hgdc_draw_text )
{
}
READ8_MEMBER(apc_state::apc_port_28_r)
{
UINT8 res;
if(offset & 1)
{
if(offset == 3)
res = pit8253_r(machine().device("pit8253"), space, 0);
else
{
printf("Read undefined port 0x29\n");
res = 0xff;
}
}
else
{
res = pic8259_r(machine().device("pic8259_slave"), space, (offset & 2) >> 1);
}
return res;
}
WRITE8_MEMBER(apc_state::apc_port_28_w)
{
if(offset & 1)
{
if(offset == 3)
pit8253_w(machine().device("pit8253"), space, 0, data);
else
{
printf("Write undefined port 0x29\n");
}
}
else
{
pic8259_w(machine().device("pic8259_slave"), space, (offset & 2) >> 1, data);
}
}
WRITE8_MEMBER(apc_state::apc_port_2e_w)
{
pit8253_w(machine().device("pit8253"), space, 1, data);
}
READ8_MEMBER(apc_state::apc_port_60_r)
{
UINT8 res;
if(offset & 1)
{
if(offset == 1)
res = pit8253_r(machine().device("pit8253"), space, 2);
else
{
printf("Read undefined port %02x\n",offset+0x60);
res = 0xff;
}
}
else
{
printf("Read melody port %02x\n",offset+0x60);
res = 0xff;
}
return res;
}
WRITE8_MEMBER(apc_state::apc_port_60_w)
{
if(offset & 1)
{
if(offset == 1)
pit8253_w(machine().device("pit8253"), space, 2, data);
else if(offset == 7)
pit8253_w(machine().device("pit8253"), space, 3, data);
else
{
printf("Write undefined port %02x\n",offset+0x60);
}
}
else
{
printf("Write melody port %02x\n",offset+0x60);
}
}
READ8_MEMBER(apc_state::apc_gdc_r)
{
UINT8 res;
if(offset & 1)
res = m_hgdc2->read(space, (offset & 2) >> 1); // upd7220 bitmap port
else
res = m_hgdc1->read(space, (offset & 2) >> 1); // upd7220 character port
return res;
}
WRITE8_MEMBER(apc_state::apc_gdc_w)
{
if(offset & 1)
m_hgdc2->write(space, (offset & 2) >> 1,data); // upd7220 bitmap port
else
m_hgdc1->write(space, (offset & 2) >> 1,data); // upd7220 character port
}
READ8_MEMBER(apc_state::apc_dma_r)
{
return i8237_r(machine().device("8237dma"), space, offset & 0xf);
}
WRITE8_MEMBER(apc_state::apc_dma_w)
{
//printf("%08x %02x\n",m_maincpu->pc(),data);
i8237_w(machine().device("8237dma"), space, offset & 0xf, data);
}
static ADDRESS_MAP_START( apc_map, AS_PROGRAM, 16, apc_state )
AM_RANGE(0x00000, 0x1ffff) AM_RAM
// AM_RANGE(0xa0000, 0xaffff) space for an external ROM
AM_RANGE(0xfe000, 0xfffff) AM_ROM AM_REGION("ipl", 0)
ADDRESS_MAP_END
static ADDRESS_MAP_START( apc_io, AS_IO, 16, apc_state )
// ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x00, 0x1f) AM_READWRITE8(apc_dma_r, apc_dma_w, 0x00ff)
AM_RANGE(0x20, 0x23) AM_DEVREADWRITE8_LEGACY("pic8259_master", pic8259_r, pic8259_w, 0x00ff) // i8259
AM_RANGE(0x28, 0x2b) AM_READWRITE8(apc_port_28_r, apc_port_28_w, 0xffff)
AM_RANGE(0x2e, 0x2f) AM_WRITE8(apc_port_2e_w, 0x00ff)
// 0x2b RTC counter port 0
// 0x2f RTC counter mode 0 (w)
// 0x30, 0x37 serial port 0/1 (i8251) (even/odd)
// 0x38, 0x3f DMA extended address
AM_RANGE(0x40, 0x43) AM_READWRITE8(apc_gdc_r, apc_gdc_w, 0xffff)
// 0x46 UPD7220 reset interrupt
// 0x48, 0x4f keyboard controller
AM_RANGE(0x50, 0x53) AM_DEVICE8("upd765", upd765a_device, map, 0x00ff ) // upd765
// 0x5a APU data (Arithmetic Processing Unit!)
// 0x5e APU status/command
AM_RANGE(0x60, 0x67) AM_READWRITE8(apc_port_60_r, apc_port_60_w, 0xffff)
// 0x60 Melody Processing Unit
// 0x61 RTC counter port 1
// 0x67 RTC counter mode 1 (w)
// AM_RANGE(0x68, 0x6f) i8255 , printer port (A: status (R) B: data (W) C: command (W))
// AM_DEVREADWRITE8("upd7220_btm", upd7220_device, read, write, 0x00ff)
ADDRESS_MAP_END
static INPUT_PORTS_START( apc )
/* dummy active high structure */
PORT_START("SYSA")
PORT_DIPNAME( 0x01, 0x00, "SYSA" )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x01, DEF_STR( On ) )
PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x02, DEF_STR( On ) )
PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x04, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x08, DEF_STR( On ) )
PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x10, DEF_STR( On ) )
PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x20, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x40, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x80, DEF_STR( On ) )
/* dummy active low structure */
PORT_START("DSWA")
PORT_DIPNAME( 0x01, 0x01, "DSWA" )
PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
INPUT_PORTS_END
void apc_state::machine_start()
{
}
void apc_state::machine_reset()
{
}
void apc_state::palette_init()
{
}
static UPD7220_INTERFACE( hgdc_1_intf )
{
"screen",
NULL,
hgdc_draw_text,
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL
};
static UPD7220_INTERFACE( hgdc_2_intf )
{
"screen",
hgdc_display_pixels,
NULL,
DEVCB_NULL,
DEVCB_NULL,
DEVCB_NULL
};
static const gfx_layout charset_8x16 =
{
8,16,
256,
1,
{ 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, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 },
8*16
};
static GFXDECODE_START( apc )
GFXDECODE_ENTRY( "gfx", 0x0000, charset_8x16, 0, 8 )
GFXDECODE_END
static ADDRESS_MAP_START( upd7220_1_map, AS_0, 8, apc_state)
AM_RANGE(0x00000, 0x3ffff) AM_RAM AM_SHARE("video_ram_1")
ADDRESS_MAP_END
static ADDRESS_MAP_START( upd7220_2_map, AS_0, 8, apc_state )
AM_RANGE(0x00000, 0x3ffff) AM_RAM AM_SHARE("video_ram_2")
ADDRESS_MAP_END
static const struct pit8253_config pit8253_config =
{
{
{
1996800, /* heartbeat IRQ */
DEVCB_NULL,
DEVCB_NULL
}, {
1996800, /* Memory Refresh */
DEVCB_NULL,
DEVCB_NULL
}, {
1996800, /* RS-232c */
DEVCB_NULL,
DEVCB_NULL
}
}
};
/*
irq assignment:
8259 master:
ir0
ir1
ir2
ir3
ir4
ir5
ir6
ir7
8259 slave:
ir0
ir1
ir2
ir3
ir4
ir5
ir6
ir7
*/
WRITE_LINE_MEMBER(apc_state::apc_master_set_int_line)
{
//printf("%02x\n",interrupt);
machine().device("maincpu")->execute().set_input_line(0, state ? HOLD_LINE : CLEAR_LINE);
}
READ8_MEMBER(apc_state::get_slave_ack)
{
if (offset==7) { // IRQ = 7
return pic8259_acknowledge( machine().device( "pic8259_slave" ));
}
return 0x00;
}
static const struct pic8259_interface pic8259_master_config =
{
DEVCB_DRIVER_LINE_MEMBER(apc_state, apc_master_set_int_line),
DEVCB_LINE_VCC,
DEVCB_DRIVER_MEMBER(apc_state,get_slave_ack)
};
static const struct pic8259_interface pic8259_slave_config =
{
DEVCB_DEVICE_LINE("pic8259_master", pic8259_ir7_w), //TODO: check me
DEVCB_LINE_GND,
DEVCB_NULL
};
/****************************************
*
* I8237 DMA interface
*
****************************************/
WRITE_LINE_MEMBER(apc_state::pc_dma_hrq_changed)
{
machine().device("maincpu")->execute().set_input_line(INPUT_LINE_HALT, state ? ASSERT_LINE : CLEAR_LINE);
/* Assert HLDA */
i8237_hlda_w( machine().device("dma8237"), state );
}
READ8_MEMBER(apc_state::pc_dma_read_byte)
{
offs_t page_offset = (((offs_t) m_dma_offset[0][m_dma_channel]) << 16)
& 0xFF0000;
return space.read_byte(page_offset + offset);
}
WRITE8_MEMBER(apc_state::pc_dma_write_byte)
{
offs_t page_offset = (((offs_t) m_dma_offset[0][m_dma_channel]) << 16)
& 0xFF0000;
space.write_byte(page_offset + offset, data);
}
static void set_dma_channel(running_machine &machine, int channel, int state)
{
apc_state *drvstate = machine.driver_data<apc_state>();
if (!state) drvstate->m_dma_channel = channel;
}
WRITE_LINE_MEMBER(apc_state::pc_dack0_w){ /*printf("%02x 0\n",state);*/ set_dma_channel(machine(), 0, state); }
WRITE_LINE_MEMBER(apc_state::pc_dack1_w){ /*printf("%02x 1\n",state);*/ set_dma_channel(machine(), 1, state); }
WRITE_LINE_MEMBER(apc_state::pc_dack2_w){ /*printf("%02x 2\n",state);*/ set_dma_channel(machine(), 2, state); }
WRITE_LINE_MEMBER(apc_state::pc_dack3_w){ /*printf("%02x 3\n",state);*/ set_dma_channel(machine(), 3, state); }
READ8_MEMBER(apc_state::test_r)
{
// printf("2dd DACK R\n");
return 0xff;
}
WRITE8_MEMBER(apc_state::test_w)
{
// printf("2dd DACK W\n");
}
static I8237_INTERFACE( dma8237_config )
{
DEVCB_DRIVER_LINE_MEMBER(apc_state, pc_dma_hrq_changed),
DEVCB_NULL,
DEVCB_DRIVER_MEMBER(apc_state, pc_dma_read_byte),
DEVCB_DRIVER_MEMBER(apc_state, pc_dma_write_byte),
{ DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_DRIVER_MEMBER(apc_state,test_r) },
{ DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_DRIVER_MEMBER(apc_state,test_w) },
{ DEVCB_DRIVER_LINE_MEMBER(apc_state, pc_dack0_w), DEVCB_DRIVER_LINE_MEMBER(apc_state, pc_dack1_w), DEVCB_DRIVER_LINE_MEMBER(apc_state, pc_dack2_w), DEVCB_DRIVER_LINE_MEMBER(apc_state, pc_dack3_w) }
};
static const floppy_format_type apc_floppy_formats[] = {
FLOPPY_D88_FORMAT,
FLOPPY_MFI_FORMAT,
NULL // TODO: IMD
};
static SLOT_INTERFACE_START( apc_floppies )
SLOT_INTERFACE( "525hd", FLOPPY_525_HD ) // TODO: 8"
SLOT_INTERFACE_END
#define MAIN_CLOCK XTAL_5MHz
static MACHINE_CONFIG_START( apc, apc_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu",I8086,MAIN_CLOCK)
MCFG_CPU_PROGRAM_MAP(apc_map)
MCFG_CPU_IO_MAP(apc_io)
MCFG_PIT8253_ADD( "pit8253", pit8253_config )
MCFG_PIC8259_ADD( "pic8259_master", pic8259_master_config )
MCFG_PIC8259_ADD( "pic8259_slave", pic8259_slave_config )
MCFG_I8237_ADD("8237dma", MAIN_CLOCK, dma8237_config)
MCFG_UPD765A_ADD("upd765", true, true)
MCFG_FLOPPY_DRIVE_ADD("upd765:0", apc_floppies, "525hd", 0, apc_floppy_formats)
MCFG_FLOPPY_DRIVE_ADD("upd765:1", apc_floppies, "525hd", 0, apc_floppy_formats)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500))
MCFG_SCREEN_UPDATE_DRIVER(apc_state, screen_update)
MCFG_SCREEN_SIZE(32*8, 32*8)
MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1)
MCFG_GFXDECODE(apc)
MCFG_UPD7220_ADD("upd7220_chr", 5000000/2, hgdc_1_intf, upd7220_1_map)
MCFG_UPD7220_ADD("upd7220_btm", 5000000/2, hgdc_2_intf, upd7220_2_map)
MCFG_PALETTE_LENGTH(8)
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
// MCFG_SOUND_ADD("aysnd", AY8910, MAIN_CLOCK/4)
// MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30)
MACHINE_CONFIG_END
/***************************************************************************
Game driver(s)
***************************************************************************/
ROM_START( apc )
ROM_REGION( 0x2000, "ipl", ROMREGION_ERASE00 )
ROM_LOAD16_BYTE( "pfbu2j.bin", 0x00000, 0x001000, CRC(86970df5) SHA1(be59c5dad3bd8afc21e9f2f1404553d4371978be) )
ROM_LOAD16_BYTE( "pfbu2l.bin", 0x00001, 0x001000, CRC(38df2e70) SHA1(a37ccaea00c2b290610d354de08b489fa897ec48) )
// ROM_REGION( 0x10000, "file", ROMREGION_ERASE00 )
// ROM_LOAD( "sioapc.o", 0, 0x10000, CRC(1) SHA1(1) )
ROM_REGION( 0x2000, "gfx", ROMREGION_ERASE00 )
ROM_LOAD( "pfcu1r.bin", 0x000000, 0x002000, BAD_DUMP CRC(683efa94) SHA1(43157984a1746b2e448f3236f571011af9a3aa73) )
ROM_END
DRIVER_INIT_MEMBER(apc_state,apc)
{
UINT8 *ROM = memregion("ipl")->base();
/* patch DMA check */
ROM[0xff334 & 0x1fff] = 0x90;
ROM[0xff335 & 0x1fff] = 0x90;
ROM[0xff339 & 0x1fff] = 0x90;
ROM[0xff33a & 0x1fff] = 0x90;
}
GAME( 198?, apc, 0, apc, apc, apc_state, apc, ROT0, "NEC", "APC", GAME_IS_SKELETON )