// license:BSD-3-Clause
// copyright-holders:Wilbert Pol
#include "emu.h"
#include "coreutil.h"
#include "includes/genpc.h"
#include "machine/nvram.h"
#include "machine/pckeybrd.h"
#include "bus/isa/isa.h"
#include "bus/isa/isa_cards.h"
class europc_pc_state : public driver_device
{
public:
europc_pc_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_mb(*this, "mb"),
m_keyboard(*this, "pc_keyboard"),
m_jim_state(0),
m_port61(0)
{ }
required_device<cpu_device> m_maincpu;
required_device<pc_noppi_mb_device> m_mb;
required_device<pc_keyboard_device> m_keyboard;
isa8_aga_device *m_aga;
DECLARE_WRITE8_MEMBER( europc_pio_w );
DECLARE_READ8_MEMBER( europc_pio_r );
DECLARE_WRITE8_MEMBER ( europc_jim_w );
DECLARE_READ8_MEMBER ( europc_jim_r );
DECLARE_READ8_MEMBER ( europc_jim2_r );
DECLARE_READ8_MEMBER( europc_rtc_r );
DECLARE_WRITE8_MEMBER( europc_rtc_w );
DECLARE_DRIVER_INIT(europc);
void europc_rtc_set_time();
UINT8 m_jim_data[16];
UINT8 m_jim_state;
AGA_MODE m_jim_mode;
int m_port61; // bit 0,1 must be 0 for startup; reset?
UINT8 m_rtc_data[0x10];
int m_rtc_reg;
int m_rtc_state;
void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
emu_timer* m_rtc_timer;
enum
{
TIMER_RTC
};
};
/*
europc
fe107 bios checksum test
memory test
fe145
irq vector init
fe156
fe169 fd774 // test of special europc registers 254 354
fe16c fe817
fe16f
fec08 // test of special europc registers 800a rtc time or date error, rtc corrected
fef66 0xf
fdb3e 0x8..0xc
fd7f8
fdb5f
fe172
fecc5 // 801a video setup error
fd6c9
copyright output
fe1b7
fe1be di bits set mean output text!!!,
(801a)
0x8000 output
1 rtc error
2 rtc time or date error
4 checksum error in setup
8 rtc status corrected
10 video setup error
20 video ram bad
40 monitor type not recogniced
80 mouse port enabled
100 joystick port enabled
fe1e2 fdc0c cpu speed is 4.77 MHz
fe1e5 ff9c0 keyboard processor error
fe1eb fc617 external lpt1 at 0x3bc
fe1ee fe8ee external coms at
routines:
fc92d output text at bp
fdb3e rtc read reg cl
fe8ee piep
fe95e rtc write reg cl
polls until jim 0xa is zero,
output cl at jim 0xa
write ah hinibble as lownibble into jim 0xa
write ah lownibble into jim 0xa
fef66 rtc read reg cl
polls until jim 0xa is zero,
output cl at jim 0xa
read low 4 nibble at jim 0xa
read low 4 nibble at jim 0xa
return first nibble<<4|second nibble in ah
ff046 seldom compares ret
ffe87 0 -> ds
469:
bit 0: b0000 memory available
bit 1: b8000 memory available
46a: 00 jim 250 01 jim 350
*/
/*
250..253 write only 00 be 00 10
252 write 0 b0000 memory activ
252 write 0x10 b8000 memory activ
jim 04: 0:4.77 0x40:7.16
pio 63: 11,19 4.77 51,59 7.16
63 bit 6,7 clock select
254 bit 6,7 clock select
250 bit 0: mouse on
bit 1: joystick on
254..257 r/w memory ? JIM asic? ram behaviour
*/
WRITE8_MEMBER( europc_pc_state::europc_jim_w )
{
switch (offset)
{
case 2:
if (!(data & 0x80))
{
switch (data)
{
case 0x1f:
case 0x0b: m_jim_mode = AGA_MONO; break;
case 0xe: //80 columns?
case 0xd: //40 columns?
case 0x18:
case 0x1a: m_jim_mode = AGA_COLOR; break;
default: m_jim_mode = AGA_OFF; break;
}
}
// mode= data&0x10?AGA_COLOR:AGA_MONO;
// mode= data&0x10?AGA_COLOR:AGA_OFF;
if (data & 0x80) m_jim_state = 0;
break;
case 4:
switch(data & 0xc0)
{
case 0x00: m_maincpu->set_clock_scale(1.0 / 2); break;
case 0x40: m_maincpu->set_clock_scale(3.0 / 4); break;
default: m_maincpu->set_clock_scale(1); break;
}
break;
case 0xa:
europc_rtc_w(space, 0, data);
return;
}
logerror("jim write %.2x %.2x\n", offset, data);
m_jim_data[offset] = data;
}
READ8_MEMBER( europc_pc_state::europc_jim_r )
{
int data = 0;
switch(offset)
{
case 4: case 5: case 6: case 7: data = m_jim_data[offset]; break;
case 0: case 1: case 2: case 3: data = 0; break;
case 0xa: return europc_rtc_r(space, 0);
}
return data;
}
READ8_MEMBER( europc_pc_state::europc_jim2_r )
{
switch (m_jim_state)
{
case 0: m_jim_state++; return 0;
case 1: m_jim_state++; return 0x80;
case 2:
m_jim_state = 0;
switch (m_jim_mode)
{
case AGA_COLOR: return 0x87; // for color;
case AGA_MONO: return 0x90; //for mono
case AGA_OFF: return 0x80; // for vram
// return 0x97; //for error
}
}
return 0;
}
/* realtime clock and nvram EM M3002
reg 0: seconds
reg 1: minutes
reg 2: hours
reg 3: day 1 based
reg 4: month 1 based
reg 5: year bcd (no century, values bigger 88? are handled as 1900, else 2000)
reg 6:
reg 7:
reg 8:
reg 9:
reg a:
reg b: 0x10 written
bit 0,1: 0 video startup mode: 0=specialadapter, 1=color40, 2=color80, 3=monochrom
bit 2: internal video on
bit 4: color
bit 6,7: clock
reg c:
bit 0,1: language/country
reg d: xor checksum
reg e:
reg 0f: 01 status ok, when not 01 written
*/
void europc_pc_state::europc_rtc_set_time()
{
system_time systime;
/* get the current date/time from the core */
machine().current_datetime(systime);
m_rtc_data[0] = dec_2_bcd(systime.utc_time.second);
m_rtc_data[1] = dec_2_bcd(systime.utc_time.minute);
m_rtc_data[2] = dec_2_bcd(systime.utc_time.hour);
m_rtc_data[3] = dec_2_bcd(systime.utc_time.mday);
m_rtc_data[4] = dec_2_bcd(systime.utc_time.month + 1);
m_rtc_data[5] = dec_2_bcd(systime.utc_time.year % 100);
}
void europc_pc_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
int month, year;
switch(id)
{
case TIMER_RTC:
m_rtc_data[0]=bcd_adjust(m_rtc_data[0]+1);
if (m_rtc_data[0]>=0x60)
{
m_rtc_data[0]=0;
m_rtc_data[1]=bcd_adjust(m_rtc_data[1]+1);
if (m_rtc_data[1]>=0x60)
{
m_rtc_data[1]=0;
m_rtc_data[2]=bcd_adjust(m_rtc_data[2]+1);
if (m_rtc_data[2]>=0x24)
{
m_rtc_data[2]=0;
m_rtc_data[3]=bcd_adjust(m_rtc_data[3]+1);
month=bcd_2_dec(m_rtc_data[4]);
year=bcd_2_dec(m_rtc_data[5])+2000; // save for julian_days_in_month_calculation
if (m_rtc_data[3]> gregorian_days_in_month(month, year))
{
m_rtc_data[3]=1;
m_rtc_data[4]=bcd_adjust(m_rtc_data[4]+1);
if (m_rtc_data[4]>0x12)
{
m_rtc_data[4]=1;
m_rtc_data[5]=bcd_adjust(m_rtc_data[5]+1)&0xff;
}
}
}
}
}
break;
}
}
READ8_MEMBER( europc_pc_state::europc_rtc_r )
{
int data=0;
switch (m_rtc_state)
{
case 1:
data=(m_rtc_data[m_rtc_reg]&0xf0)>>4;
m_rtc_state++;
break;
case 2:
data=m_rtc_data[m_rtc_reg]&0xf;
m_rtc_state=0;
// logerror("rtc read %x %.2x\n",m_rtc_reg, m_rtc_data[m_rtc_reg]);
break;
}
return data;
}
WRITE8_MEMBER( europc_pc_state::europc_rtc_w )
{
switch (m_rtc_state)
{
case 0:
m_rtc_reg=data;
m_rtc_state=1;
break;
case 1:
m_rtc_data[m_rtc_reg]=(m_rtc_data[m_rtc_reg]&~0xf0)|((data&0xf)<<4);
m_rtc_state++;
break;
case 2:
m_rtc_data[m_rtc_reg]=(m_rtc_data[m_rtc_reg]&~0xf)|(data&0xf);
m_rtc_state=0;
// logerror("rtc written %x %.2x\n",m_rtc_reg, m_rtc_data[m_rtc_reg]);
break;
}
}
DRIVER_INIT_MEMBER(europc_pc_state,europc)
{
UINT8 *rom = &memregion("maincpu")->base()[0];
int i;
/*
fix century rom bios bug !
if year <79 month (and not CENTURY) is loaded with 0x20
*/
if (rom[0xff93e]==0xb6){ // mov dh,
UINT8 a;
rom[0xff93e]=0xb5; // mov ch,
for (i=0xf8000, a=0; i<0xfffff; i++ ) a+=rom[i];
rom[0xfffff]=256-a;
}
memset(&m_rtc_data,0,sizeof(m_rtc_data));
m_rtc_reg = 0;
m_rtc_state = 0;
m_rtc_data[0xf]=1;
m_rtc_timer = timer_alloc();
m_rtc_timer->adjust(attotime::zero, 0, attotime(1,0));
// europc_rtc_set_time();
machine().device<nvram_device>("nvram")->set_base(m_rtc_data, sizeof(m_rtc_data));
m_aga = machine().device<isa8_aga_device>("aga:aga");
}
WRITE8_MEMBER( europc_pc_state::europc_pio_w )
{
switch (offset)
{
case 1:
m_port61=data;
m_mb->m_pit8253->write_gate2(BIT(data, 0));
m_mb->pc_speaker_set_spkrdata(BIT(data, 1));
m_keyboard->enable(BIT(data, 6));
if(data & 0x80)
m_mb->m_pic8259->ir1_w(0);
break;
}
logerror("europc pio write %.2x %.2x\n", offset, data);
}
READ8_MEMBER( europc_pc_state::europc_pio_r )
{
int data = 0;
switch (offset)
{
case 0:
data = m_keyboard->read(space, 0);
break;
case 1:
data = m_port61;
break;
case 2:
if (m_mb->m_pit_out2)
data |= 0x20;
break;
}
return data;
}
/*
layout of an uk europc
ESC, [SPACE], F1,F2,F3,F4,[SPACE],F5,F6,F7,F8,[SPACE],F9,F0,F11,F12
[SPACE]
\|, 1,2,3,4,5,6,7,8,9,0 -,+, BACKSPACE,[SPACE], NUM LOCK, SCROLL LOCK, PRINT SCREEN, KEYPAD -
TAB,Q,W,E,R,T,Y,U,I,O,P,[,], RETURN, [SPACE], KEYPAD 7, KEYPAD 8, KEYPAD 9, KEYPAD +
CTRL, A,S,D,F,G,H,J,K,L,;,@,~, RETURN, [SPACE],KEYPAD 4,KEYPAD 5,KEYPAD 6, KEYPAD +
LEFT SHIFT, Z,X,C,V,B,N,M,<,>,?,RIGHT SHIFT,[SPACE],KEYPAD 1, KEYPAD 2, KEYPAD 3, KEYPAD ENTER
ALT,[SPACE], SPACE BAR,[SPACE],CAPS LOCK,[SPACE], KEYPAD 0, KEYPAD ., KEYPAD ENTER
\ and ~ had to be swapped
i am not sure if keypad enter delivers the mf2 keycode
*/
static INPUT_PORTS_START( europc )
PORT_START("DSW0") /* IN1 */
PORT_START("DSW1") /* IN2 */
PORT_DIPNAME( 0x80, 0x80, "COM1: enable")
PORT_DIPSETTING( 0x00, DEF_STR( No ) )
PORT_DIPSETTING( 0x80, DEF_STR( Yes ) )
PORT_DIPNAME( 0x40, 0x40, "COM2: enable")
PORT_DIPSETTING( 0x00, DEF_STR( No ) )
PORT_DIPSETTING( 0x40, DEF_STR( Yes ) )
PORT_DIPNAME( 0x20, 0x00, "COM3: enable")
PORT_DIPSETTING( 0x00, DEF_STR( No ) )
PORT_DIPSETTING( 0x20, DEF_STR( Yes ) )
PORT_DIPNAME( 0x10, 0x00, "COM4: enable")
PORT_DIPSETTING( 0x00, DEF_STR( No ) )
PORT_DIPSETTING( 0x10, DEF_STR( Yes ) )
PORT_DIPNAME( 0x08, 0x08, "LPT1: enable")
PORT_DIPSETTING( 0x00, DEF_STR( No ) )
PORT_DIPSETTING( 0x08, DEF_STR( Yes ) )
PORT_DIPNAME( 0x04, 0x00, "LPT2: enable")
PORT_DIPSETTING( 0x00, DEF_STR( No ) )
PORT_DIPSETTING( 0x04, DEF_STR( Yes ) )
PORT_DIPNAME( 0x02, 0x00, "LPT3: enable")
PORT_DIPSETTING( 0x00, DEF_STR( No ) )
PORT_DIPSETTING( 0x02, DEF_STR( Yes ) )
PORT_DIPNAME( 0x01, 0x00, "Game port enable")
PORT_DIPSETTING( 0x00, DEF_STR( No ) )
PORT_DIPSETTING( 0x01, DEF_STR( Yes ) )
PORT_START("DSW2") /* IN3 */
PORT_DIPNAME( 0x08, 0x08, "HDC1 (C800:0 port 320-323)")
PORT_DIPSETTING( 0x00, DEF_STR( No ) )
PORT_DIPSETTING( 0x08, DEF_STR( Yes ) )
PORT_DIPNAME( 0x04, 0x04, "HDC2 (CA00:0 port 324-327)")
PORT_DIPSETTING( 0x00, DEF_STR( No ) )
PORT_DIPSETTING( 0x04, DEF_STR( Yes ) )
PORT_BIT( 0x02, 0x02, IPT_UNUSED ) /* no turbo switch */
PORT_BIT( 0x01, 0x01, IPT_UNUSED )
PORT_INCLUDE(pc_keyboard)
PORT_MODIFY("pc_keyboard_2") /* IN6 */
PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("` ~") PORT_CODE(KEYCODE_BACKSLASH) /* ` 29 A9 */
PORT_BIT(0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("\\ |") PORT_CODE(KEYCODE_TILDE) /* \ 2B AB */
PORT_MODIFY("pc_keyboard_5") /* IN9 */
PORT_BIT ( 0x0070, 0x0000, IPT_UNUSED )
/* 0x40 non us backslash 2 not available */
PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F11") PORT_CODE(KEYCODE_F11) /* F11 57 D7 */
PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F12") PORT_CODE(KEYCODE_F12) /* F12 58 D8 */
PORT_START("pc_keyboard_6") /* IN10 */\
PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("KP Enter") PORT_CODE(KEYCODE_ENTER_PAD) /* PAD Enter 60 e0 */
PORT_BIT(0xfffe, IP_ACTIVE_HIGH, IPT_UNUSED)
INPUT_PORTS_END
static ADDRESS_MAP_START( europc_map, AS_PROGRAM, 8, europc_pc_state )
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x00000, 0x9ffff) AM_RAMBANK("bank10")
AM_RANGE(0xa0000, 0xaffff) AM_NOP
AM_RANGE(0xc0000, 0xc7fff) AM_NOP
AM_RANGE(0xc8000, 0xcffff) AM_ROM
AM_RANGE(0xd0000, 0xeffff) AM_NOP
AM_RANGE(0xf0000, 0xfffff) AM_ROM
ADDRESS_MAP_END
static ADDRESS_MAP_START(europc_io, AS_IO, 8, europc_pc_state )
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x0060, 0x0063) AM_READWRITE(europc_pio_r, europc_pio_w)
AM_RANGE(0x0250, 0x025f) AM_READWRITE(europc_jim_r, europc_jim_w)
AM_RANGE(0x02e0, 0x02e0) AM_READ(europc_jim2_r)
ADDRESS_MAP_END
static MACHINE_CONFIG_START( europc, europc_pc_state )
MCFG_CPU_ADD("maincpu", I8088, 4772720*2)
MCFG_CPU_PROGRAM_MAP(europc_map)
MCFG_CPU_IO_MAP(europc_io)
MCFG_CPU_IRQ_ACKNOWLEDGE_DEVICE("mb:pic8259", pic8259_device, inta_cb)
MCFG_PCNOPPI_MOTHERBOARD_ADD("mb", "maincpu")
MCFG_ISA8_SLOT_ADD("mb:isa", "isa1", pc_isa8_cards, "aga", false)
MCFG_ISA8_SLOT_ADD("mb:isa", "isa2", pc_isa8_cards, "lpt", false)
MCFG_ISA8_SLOT_ADD("mb:isa", "isa3", pc_isa8_cards, "com", false)
MCFG_ISA8_SLOT_ADD("mb:isa", "isa4", pc_isa8_cards, "fdc_xt", false)
MCFG_PC_KEYB_ADD("pc_keyboard", DEVWRITELINE("mb:pic8259", pic8259_device, ir1_w))
MCFG_NVRAM_ADD_0FILL("nvram");
/* internal ram */
MCFG_RAM_ADD(RAM_TAG)
MCFG_RAM_DEFAULT_SIZE("640K")
MACHINE_CONFIG_END
ROM_START( europc )
ROM_REGION(0x100000,"maincpu", 0)
// hdd bios integrated!
ROM_LOAD("50145", 0xf8000, 0x8000, CRC(1775a11d) SHA1(54430d4d0462860860397487c9c109e6f70db8e3)) // V2.07
ROM_END
COMP( 1988, europc, ibm5150, 0, europc, europc, europc_pc_state, europc, "Schneider Rdf. AG", "EURO PC", MACHINE_NOT_WORKING)