#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 m_maincpu; required_device m_mb; required_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); 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")->set_base(m_rtc_data, sizeof(m_rtc_data)); m_aga = machine().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_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", GAME_NOT_WORKING)