diff options
Diffstat (limited to 'src/mame/machine/partner.c')
-rw-r--r-- | src/mame/machine/partner.c | 362 |
1 files changed, 362 insertions, 0 deletions
diff --git a/src/mame/machine/partner.c b/src/mame/machine/partner.c new file mode 100644 index 00000000000..a336ad83c9b --- /dev/null +++ b/src/mame/machine/partner.c @@ -0,0 +1,362 @@ +// license:BSD-3-Clause +// copyright-holders:Miodrag Milanovic +/*************************************************************************** + + Partner driver by Miodrag Milanovic + + 09/06/2008 Preliminary driver. + +****************************************************************************/ + + +#include "emu.h" +#include "cpu/i8085/i8085.h" +#include "imagedev/cassette.h" +#include "includes/radio86.h" +#include "includes/partner.h" +#include "imagedev/flopdrv.h" +#include "machine/ram.h" + + +/* Driver initialization */ +DRIVER_INIT_MEMBER(partner_state,partner) +{ + m_tape_value = 0x80; +} + +void partner_state::partner_window_1(UINT8 bank_num, UINT16 offset,UINT8 *rom) +{ + char bank[10]; + sprintf(bank,"bank%d",bank_num); + switch(m_win_mem_page) { + case 2 : // FDD BIOS + membank(bank)->set_base(rom + 0x16000 + offset); + break; + case 4 : // MCPG BIOS + membank(bank)->set_base(rom + 0x14000 + offset); + break; + default : // BIOS + membank(bank)->set_base(rom + 0x10000 + offset); + break; + } +} + +void partner_state::partner_window_2(UINT8 bank_num, UINT16 offset,UINT8 *rom) +{ + char bank[10]; + sprintf(bank,"bank%d",bank_num); + switch(m_win_mem_page) { + case 4 : // MCPG FONT + membank(bank)->set_base(rom + 0x18000 + offset); + break; + default : // BIOS + membank(bank)->set_base(rom + 0x10000 + offset); + break; + } +} + +READ8_MEMBER(partner_state::partner_floppy_r){ + if (offset<0x100) { + switch(offset & 3) { + case 0x00 : return m_fdc->status_r(space, 0); + case 0x01 : return m_fdc->track_r(space, 0); + case 0x02 : return m_fdc->sector_r(space, 0); + default : + return m_fdc->data_r(space, 0); + } + } else { + return 0; + } +} + +WRITE8_MEMBER(partner_state::partner_floppy_w){ + if (offset<0x100) { + switch(offset & 3) { + case 0x00 : m_fdc->cmd_w(space, 0,data); break; + case 0x01 : m_fdc->track_w(space, 0,data);break; + case 0x02 : m_fdc->sector_w(space, 0,data);break; + default : m_fdc->data_w(space, 0,data);break; + } + } else { + floppy_image_device *floppy0 = m_fdc->subdevice<floppy_connector>("0")->get_device(); + floppy_image_device *floppy1 = m_fdc->subdevice<floppy_connector>("1")->get_device(); + + if (((data >> 6) & 1)==1) { + m_fdc->set_floppy(floppy0); + floppy0->mon_w(0); + floppy0->ss_w(data >> 7); + } + else + floppy0->mon_w(1); + + if (((data >> 3) & 1)==1) { + m_fdc->set_floppy(floppy1); + floppy1->mon_w(0); + floppy1->ss_w(data >> 7); + } + else + floppy1->mon_w(1); + } +} + +void partner_state::partner_iomap_bank(UINT8 *rom) +{ + address_space &space = m_maincpu->space(AS_PROGRAM); + switch(m_win_mem_page) { + case 2 : + // FDD + space.install_write_handler(0xdc00, 0xddff, write8_delegate(FUNC(partner_state::partner_floppy_w),this)); + space.install_read_handler (0xdc00, 0xddff, read8_delegate(FUNC(partner_state::partner_floppy_r),this)); + break; + case 4 : + // Timer + break; + default : // BIOS + membank("bank11")->set_base(rom + 0x10000); + break; + } +} +void partner_state::partner_bank_switch() +{ + address_space &space = m_maincpu->space(AS_PROGRAM); + UINT8 *rom = memregion("maincpu")->base(); + UINT8 *ram = m_ram->pointer(); + + space.install_write_bank(0x0000, 0x07ff, "bank1"); + space.install_write_bank(0x0800, 0x3fff, "bank2"); + space.install_write_bank(0x4000, 0x5fff, "bank3"); + space.install_write_bank(0x6000, 0x7fff, "bank4"); + space.install_write_bank(0x8000, 0x9fff, "bank5"); + space.install_write_bank(0xa000, 0xb7ff, "bank6"); + space.install_write_bank(0xb800, 0xbfff, "bank7"); + space.install_write_bank(0xc000, 0xc7ff, "bank8"); + space.install_write_bank(0xc800, 0xcfff, "bank9"); + space.install_write_bank(0xd000, 0xd7ff, "bank10"); + space.unmap_write(0xdc00, 0xddff); + space.install_read_bank (0xdc00, 0xddff, "bank11"); + space.unmap_write(0xe000, 0xe7ff); + space.unmap_write(0xe800, 0xffff); + + // BANK 1 (0x0000 - 0x07ff) + if (m_mem_page==0) { + space.unmap_write(0x0000, 0x07ff); + membank("bank1")->set_base(rom + 0x10000); + } else { + if (m_mem_page==7) { + membank("bank1")->set_base(ram + 0x8000); + } else { + membank("bank1")->set_base(ram + 0x0000); + } + } + + // BANK 2 (0x0800 - 0x3fff) + if (m_mem_page==7) { + membank("bank2")->set_base(ram + 0x8800); + } else { + membank("bank2")->set_base(ram + 0x0800); + } + + // BANK 3 (0x4000 - 0x5fff) + if (m_mem_page==7) { + membank("bank3")->set_base(ram + 0xC000); + } else { + if (m_mem_page==10) { + //window 1 + space.unmap_write(0x4000, 0x5fff); + partner_window_1(3, 0, rom); + } else { + membank("bank3")->set_base(ram + 0x4000); + } + } + + // BANK 4 (0x6000 - 0x7fff) + if (m_mem_page==7) { + membank("bank4")->set_base(ram + 0xe000); + } else { + membank("bank4")->set_base(ram + 0x6000); + } + + // BANK 5 (0x8000 - 0x9fff) + switch (m_mem_page) { + case 5: + case 10: + //window 2 + space.unmap_write(0x8000, 0x9fff); + partner_window_2(5, 0, rom); + break; + case 8: + case 9: + //window 1 + space.unmap_write(0x8000, 0x9fff); + partner_window_1(5, 0, rom); + break; + case 7: + membank("bank5")->set_base(ram + 0x0000); + break; + default: + membank("bank5")->set_base(ram + 0x8000); + break; + } + + // BANK 6 (0xa000 - 0xb7ff) + switch (m_mem_page) { + case 5: + case 10: + //window 2 + space.unmap_write(0xa000, 0xb7ff); + partner_window_2(6, 0, rom); + break; + case 6: + case 8: + //BASIC + space.unmap_write(0xa000, 0xb7ff); + membank("bank6")->set_base(rom + 0x12000); // BASIC + break; + case 7: + membank("bank6")->set_base(ram + 0x2000); + break; + default: + membank("bank6")->set_base(ram + 0xa000); + break; + } + + // BANK 7 (0xb800 - 0xbfff) + switch (m_mem_page) { + case 4: + case 5: + case 10: + //window 2 + space.unmap_write(0xb800, 0xbfff); + partner_window_2(7, 0x1800, rom); + break; + case 6: + case 8: + //BASIC + space.unmap_write(0xb800, 0xbfff); + membank("bank7")->set_base(rom + 0x13800); // BASIC + break; + case 7: + membank("bank7")->set_base(ram + 0x3800); + break; + default: + membank("bank7")->set_base(ram + 0xb800); + break; + } + + // BANK 8 (0xc000 - 0xc7ff) + switch (m_mem_page) { + case 7: + membank("bank8")->set_base(ram + 0x4000); + break; + case 8: + case 10: + space.unmap_write(0xc000, 0xc7ff); + membank("bank8")->set_base(rom + 0x10000); + break; + default: + membank("bank8")->set_base(ram + 0xc000); + break; + } + + // BANK 9 (0xc800 - 0xcfff) + switch (m_mem_page) { + case 7: + membank("bank9")->set_base(ram + 0x4800); + break; + case 8: + case 9: + // window 2 + space.unmap_write(0xc800, 0xcfff); + partner_window_2(9, 0, rom); + break; + case 10: + space.unmap_write(0xc800, 0xcfff); + membank("bank9")->set_base(rom + 0x10800); + break; + default: + membank("bank9")->set_base(ram + 0xc800); + break; + } + + // BANK 10 (0xd000 - 0xd7ff) + switch (m_mem_page) { + case 7: + membank("bank10")->set_base(ram + 0x5000); + break; + case 8: + case 9: + // window 2 + space.unmap_write(0xd000, 0xd7ff); + partner_window_2(10, 0x0800, rom); + break; + default: + membank("bank10")->set_base(ram + 0xd000); + break; + } + + // BANK 11 (0xdc00 - 0xddff) + partner_iomap_bank(rom); + + // BANK 12 (0xe000 - 0xe7ff) + if (m_mem_page==1) { + membank("bank12")->set_base(rom + 0x10000); + } else { + //window 1 + partner_window_1(12, 0, rom); + } + + // BANK 13 (0xe800 - 0xffff) + switch (m_mem_page) { + case 3: + case 4: + case 5: + // window 1 + partner_window_1(13, 0x800, rom); + break; + default: + // BIOS + membank("bank13")->set_base(rom + 0x10800); + break; + } +} + +WRITE8_MEMBER(partner_state::partner_win_memory_page_w) +{ + m_win_mem_page = ~data; + partner_bank_switch(); +} + +WRITE8_MEMBER(partner_state::partner_mem_page_w) +{ + m_mem_page = (data >> 4) & 0x0f; + partner_bank_switch(); +} + +I8275_DRAW_CHARACTER_MEMBER(partner_state::display_pixels) +{ + int i; + const rgb_t *palette = m_palette->palette()->entry_list_raw(); + const UINT8 *charmap = m_charmap + 0x400 * (gpa * 2 + hlgt); + UINT8 pixels = charmap[(linecount & 7) + (charcode << 3)] ^ 0xff; + if(linecount == 8) + pixels = 0; + if (vsp) { + pixels = 0; + } + if (lten) { + pixels = 0xff; + } + if (rvv) { + pixels ^= 0xff; + } + for(i=0;i<6;i++) { + bitmap.pix32(y, x + i) = palette[(pixels >> (5-i)) & 1]; + } +} + +MACHINE_RESET_MEMBER(partner_state,partner) +{ + m_mem_page = 0; + m_win_mem_page = 0; + partner_bank_switch(); +} |