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-rw-r--r--src/mess/machine/special.c397
1 files changed, 0 insertions, 397 deletions
diff --git a/src/mess/machine/special.c b/src/mess/machine/special.c
deleted file mode 100644
index 4bbcdbf4dd9..00000000000
--- a/src/mess/machine/special.c
+++ /dev/null
@@ -1,397 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Miodrag Milanovic
-/***************************************************************************
-
- Specialist machine driver by Miodrag Milanovic
-
- 20/03/2008 Cassette support
- 15/03/2008 Preliminary driver.
-
-****************************************************************************/
-
-
-
-#include "includes/special.h"
-
-
-/* Driver initialization */
-DRIVER_INIT_MEMBER(special_state,special)
-{
- /* set initialy ROM to be visible on first bank */
- UINT8 *RAM = m_region_maincpu->base();
- memset(RAM,0x0000,0x3000); // make first page empty by default
- m_bank1->configure_entries(1, 2, RAM, 0x0000);
- m_bank1->configure_entries(0, 2, RAM, 0xc000);
-}
-
-READ8_MEMBER( special_state::specialist_8255_porta_r )
-{
- if (m_io_line0->read()!=0xff) return 0xfe;
- if (m_io_line1->read()!=0xff) return 0xfd;
- if (m_io_line2->read()!=0xff) return 0xfb;
- if (m_io_line3->read()!=0xff) return 0xf7;
- if (m_io_line4->read()!=0xff) return 0xef;
- if (m_io_line5->read()!=0xff) return 0xdf;
- if (m_io_line6->read()!=0xff) return 0xbf;
- if (m_io_line7->read()!=0xff) return 0x7f;
- return 0xff;
-}
-
-READ8_MEMBER( special_state::specialist_8255_portb_r )
-{
- UINT8 dat = 0xff;
-
- if ((m_specialist_8255_porta & 0x01)==0) dat &= m_io_line0->read();
- if ((m_specialist_8255_porta & 0x02)==0) dat &= m_io_line1->read();
- if ((m_specialist_8255_porta & 0x04)==0) dat &= m_io_line2->read();
- if ((m_specialist_8255_porta & 0x08)==0) dat &= m_io_line3->read();
- if ((m_specialist_8255_porta & 0x10)==0) dat &= m_io_line4->read();
- if ((m_specialist_8255_porta & 0x20)==0) dat &= m_io_line5->read();
- if ((m_specialist_8255_porta & 0x40)==0) dat &= m_io_line6->read();
- if ((m_specialist_8255_porta & 0x80)==0) dat &= m_io_line7->read();
- if ((m_specialist_8255_portc & 0x01)==0) dat &= m_io_line8->read();
- if ((m_specialist_8255_portc & 0x02)==0) dat &= m_io_line9->read();
- if ((m_specialist_8255_portc & 0x04)==0) dat &= m_io_line10->read();
- if ((m_specialist_8255_portc & 0x08)==0) dat &= m_io_line11->read();
-
- // shift key
- if BIT(~m_io_line12->read(), 0)
- dat &= 0xfd;
-
- // cassette
- if (m_cassette->input() > 0.01)
- dat &= 0xfe;
-
- // strobe if a key is pressed
- if (dat < 0xfc) dat &= 0x7f;
-
- return dat;
-}
-
-READ8_MEMBER( special_state::specimx_8255_portb_r )
-{
- UINT8 dat = 0xff;
-
- if ((m_specialist_8255_porta & 0x01)==0) dat &= m_io_line0->read();
- if ((m_specialist_8255_porta & 0x02)==0) dat &= m_io_line1->read();
- if ((m_specialist_8255_porta & 0x04)==0) dat &= m_io_line2->read();
- if ((m_specialist_8255_porta & 0x08)==0) dat &= m_io_line3->read();
- if ((m_specialist_8255_porta & 0x10)==0) dat &= m_io_line4->read();
- if ((m_specialist_8255_porta & 0x20)==0) dat &= m_io_line5->read();
- if ((m_specialist_8255_porta & 0x40)==0) dat &= m_io_line6->read();
- if ((m_specialist_8255_porta & 0x80)==0) dat &= m_io_line7->read();
- if ((m_specialist_8255_portc & 0x01)==0) dat &= m_io_line8->read();
- if ((m_specialist_8255_portc & 0x02)==0) dat &= m_io_line9->read();
- if ((m_specialist_8255_portc & 0x04)==0) dat &= m_io_line10->read();
- if ((m_specialist_8255_portc & 0x08)==0) dat &= m_io_line11->read();
-
- // shift key
- if BIT(~m_io_line12->read(), 0)
- dat &= 0xfd;
-
- // cassette
- if (m_cassette->input() > 0.01)
- dat &= 0xfe;
-
- return dat;
-}
-
-READ8_MEMBER( special_state::specialist_8255_portc_r )
-{
- if (m_io_line8->read()!=0xff) return 0x0e;
- if (m_io_line9->read()!=0xff) return 0x0d;
- if (m_io_line10->read()!=0xff) return 0x0b;
- if (m_io_line11->read()!=0xff) return 0x07;
- return 0x0f;
-}
-
-WRITE8_MEMBER( special_state::specialist_8255_porta_w )
-{
- m_specialist_8255_porta = data;
-}
-
-WRITE8_MEMBER( special_state::specialist_8255_portb_w )
-{
- m_specialist_8255_portb = data;
-}
-
-WRITE8_MEMBER( special_state::specialist_8255_portc_w )
-{
- m_specialist_8255_portc = data;
-
- m_cassette->output(BIT(data, 7) ? 1 : -1);
-
- m_dac->write_unsigned8(BIT(data, 5)); //beeper
-}
-
-void special_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
-{
- switch (id)
- {
- case TIMER_RESET:
- m_bank1->set_entry(0);
- break;
- case TIMER_PIT8253_GATES:
- {
- m_pit->write_gate0(0);
- m_pit->write_gate1(0);
- m_pit->write_gate2(0);
- break;
- }
- default:
- assert_always(FALSE, "Unknown id in special_state::device_timer");
- }
-}
-
-
-MACHINE_RESET_MEMBER(special_state,special)
-{
- timer_set(attotime::from_usec(10), TIMER_RESET);
- m_bank1->set_entry(1);
-}
-
-
-/*
- Specialist MX
-*/
-WRITE8_MEMBER( special_state::video_memory_w )
-{
- m_ram->pointer()[0x9000 + offset] = data;
- m_specimx_colorram[offset] = m_specimx_color;
-}
-
-WRITE8_MEMBER( special_state::specimx_video_color_w )
-{
- m_specimx_color = data;
-}
-
-READ8_MEMBER( special_state::specimx_video_color_r )
-{
- return m_specimx_color;
-}
-
-void special_state::specimx_set_bank(offs_t i, UINT8 data)
-{
- address_space &space = m_maincpu->space(AS_PROGRAM);
- UINT8 *ram = m_ram->pointer();
-
- space.install_write_bank(0xc000, 0xffbf, "bank3");
- space.install_write_bank(0xffc0, 0xffdf, "bank4");
- m_bank4->set_base(ram + 0xffc0);
- switch(i)
- {
- case 0 :
- space.install_write_bank(0x0000, 0x8fff, "bank1");
- space.install_write_handler(0x9000, 0xbfff, write8_delegate(FUNC(special_state::video_memory_w), this));
-
- m_bank1->set_base(ram);
- m_bank2->set_base(ram + 0x9000);
- m_bank3->set_base(ram + 0xc000);
- break;
- case 1 :
- space.install_write_bank(0x0000, 0x8fff, "bank1");
- space.install_write_bank(0x9000, 0xbfff, "bank2");
-
- m_bank1->set_base(ram + 0x10000);
- m_bank2->set_base(ram + 0x19000);
- m_bank3->set_base(ram + 0x1c000);
- break;
- case 2 :
- space.unmap_write(0x0000, 0x8fff);
- space.unmap_write(0x9000, 0xbfff);
-
- m_bank1->set_base(m_region_maincpu->base() + 0x10000);
- m_bank2->set_base(m_region_maincpu->base() + 0x19000);
-
- if (data & 0x80)
- m_bank3->set_base(ram + 0x1c000);
- else
- m_bank3->set_base(ram + 0xc000);
-
- break;
- }
-}
-
-WRITE8_MEMBER( special_state::specimx_select_bank )
-{
- specimx_set_bank(offset, data);
-}
-
-MACHINE_START_MEMBER(special_state,specimx)
-{
- m_drive = 0;
-}
-
-MACHINE_RESET_MEMBER(special_state,specimx)
-{
- specimx_set_bank(2, 0); // Initiali load ROM disk
- timer_set(attotime::zero, TIMER_PIT8253_GATES);
-}
-
-READ8_MEMBER( special_state::specimx_disk_ctrl_r )
-{
- return 0xff;
-}
-
-WRITE_LINE_MEMBER( special_state::fdc_drq )
-{
- /* Clears HALT state of CPU when data is ready to read */
- if(state) {
- m_maincpu->set_input_line(INPUT_LINE_HALT, CLEAR_LINE);
- }
-}
-
-WRITE8_MEMBER( special_state::specimx_disk_ctrl_w )
-{
- static const char *names[] = { "fd0", "fd1"};
- floppy_image_device *floppy = NULL;
- floppy_connector *con = machine().device<floppy_connector>(names[m_drive & 1]);
- if(con)
- floppy = con->get_device();
-
- m_fdc->set_floppy(floppy);
- floppy->mon_w(0);
-
- switch(offset)
- {
- case 0 :
- m_maincpu->set_input_line(INPUT_LINE_HALT, ASSERT_LINE);
- break;
- case 2 :
- floppy->ss_w(data & 1);
- break;
- case 3 :
- m_drive = data & 1;
- break;
- }
-}
-
-/*
- Erik
-*/
-
-void special_state::erik_set_bank()
-{
- UINT8 bank1 = m_RR_register & 3;
- UINT8 bank2 = (m_RR_register >> 2) & 3;
- UINT8 bank3 = (m_RR_register >> 4) & 3;
- UINT8 bank4 = (m_RR_register >> 6) & 3;
- UINT8 *mem = m_region_maincpu->base();
- UINT8 *ram = m_ram->pointer();
- address_space &space = m_maincpu->space(AS_PROGRAM);
-
- space.install_write_bank(0x0000, 0x3fff, "bank1");
- space.install_write_bank(0x4000, 0x8fff, "bank2");
- space.install_write_bank(0x9000, 0xbfff, "bank3");
- space.install_write_bank(0xc000, 0xefff, "bank4");
- space.install_write_bank(0xf000, 0xf7ff, "bank5");
- space.install_write_bank(0xf800, 0xffff, "bank6");
-
- switch(bank1)
- {
- case 1:
- case 2:
- case 3:
- m_bank1->set_base(ram + 0x10000*(bank1-1));
- break;
- case 0:
- space.unmap_write(0x0000, 0x3fff);
- m_bank1->set_base(mem + 0x10000);
- break;
- }
- switch(bank2)
- {
- case 1:
- case 2:
- case 3:
- m_bank2->set_base(ram + 0x10000*(bank2-1) + 0x4000);
- break;
- case 0:
- space.unmap_write(0x4000, 0x8fff);
- m_bank2->set_base(mem + 0x14000);
- break;
- }
- switch(bank3)
- {
- case 1:
- case 2:
- case 3:
- m_bank3->set_base(ram + 0x10000*(bank3-1) + 0x9000);
- break;
- case 0:
- space.unmap_write(0x9000, 0xbfff);
- m_bank3->set_base(mem + 0x19000);
- break;
- }
- switch(bank4)
- {
- case 1:
- case 2:
- case 3:
- m_bank4->set_base(ram + 0x10000*(bank4-1) + 0x0c000);
- m_bank5->set_base(ram + 0x10000*(bank4-1) + 0x0f000);
- m_bank6->set_base(ram + 0x10000*(bank4-1) + 0x0f800);
- break;
- case 0:
- space.unmap_write(0xc000, 0xefff);
- m_bank4->set_base(mem + 0x1c000);
- space.unmap_write(0xf000, 0xf7ff);
- space.nop_read(0xf000, 0xf7ff);
- space.install_readwrite_handler(0xf800, 0xf803, 0, 0x7fc, read8_delegate(FUNC(i8255_device::read), (i8255_device*)m_ppi), write8_delegate(FUNC(i8255_device::write), (i8255_device*)m_ppi));
- break;
- }
-}
-
-DRIVER_INIT_MEMBER(special_state,erik)
-{
- m_erik_color_1 = 0;
- m_erik_color_2 = 0;
- m_erik_background = 0;
-}
-
-MACHINE_RESET_MEMBER(special_state,erik)
-{
- m_RR_register = 0x00;
- m_RC_register = 0x00;
- erik_set_bank();
-}
-
-READ8_MEMBER( special_state::erik_rr_reg_r )
-{
- return m_RR_register;
-}
-
-WRITE8_MEMBER( special_state::erik_rr_reg_w )
-{
- m_RR_register = data;
- erik_set_bank();
-}
-
-READ8_MEMBER( special_state::erik_rc_reg_r )
-{
- return m_RC_register;
-}
-
-WRITE8_MEMBER( special_state::erik_rc_reg_w )
-{
- m_RC_register = data;
- m_erik_color_1 = m_RC_register & 7;
- m_erik_color_2 = (m_RC_register >> 3) & 7;
- m_erik_background = BIT(m_RC_register, 6) + BIT(m_RC_register, 7) * 4;
-}
-
-READ8_MEMBER( special_state::erik_disk_reg_r )
-{
- return 0xff;
-}
-
-WRITE8_MEMBER( special_state::erik_disk_reg_w )
-{
-/*
- wd17xx_set_side (m_fdc,data & 1);
- wd17xx_set_drive(m_fdc,(data >> 1) & 1);
- wd17xx_dden_w(m_fdc, BIT(data, 2));
- floppy_mon_w(floppy_get_device(machine(), BIT(data, 1)), 0);
- floppy_mon_w(floppy_get_device(machine(), BIT(data, 1) ^ 1), 1);
- floppy_drive_set_ready_state(floppy_get_device(machine(), BIT(data, 1)), 1, 1);*/
-}