mirror of
https://github.com/holub/mame
synced 2025-04-22 08:22:15 +03:00
(MESS) New skeleton [Cowering, Robbbert]
------------------------------------------------- Telcon Zorba
This commit is contained in:
Robbbert
parent
ba376640da
commit
6c0c210d43
1
.gitattributes
vendored
1
.gitattributes
vendored
@ -6647,6 +6647,7 @@ src/mess/drivers/z88.c svneol=native#text/plain
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src/mess/drivers/z9001.c svneol=native#text/plain
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src/mess/drivers/zaurus.c svneol=native#text/plain
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src/mess/drivers/zexall.c svneol=native#text/plain
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src/mess/drivers/zorba.c svneol=native#text/plain
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src/mess/drivers/zrt80.c svneol=native#text/plain
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src/mess/drivers/zsbc3.c svneol=native#text/plain
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src/mess/drivers/zx.c svneol=native#text/plain
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@ -427,18 +427,18 @@ ROM_START( c8002 )
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ROM_LOAD("459-3", 0x0000, 0x0800, CRC(c8906653) SHA1(7dea9fffa974479ef5926df567261f2aaa7a3283))
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ROM_LOAD("460-3", 0x0800, 0x0800, CRC(ce6c0214) SHA1(f69ee4c6c0d1e72574a9cf828dbb3e08f06d029a))
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ROM_REGION( 0x200, "proms", 0 )
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ROM_REGION( 0x900, "proms", 0 )
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// for main cpu
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ROM_LOAD("468-a", 0x000, 0x100, CRC(89781491) SHA1(f874d0cf42a733eb2b92b15647aeac7178d7b9b1))
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ROM_LOAD("469-a", 0x000, 0x100, CRC(45e439de) SHA1(4f1af44332ae709d92e919c9e48433f29df5e632))
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ROM_LOAD("470a-3", 0x000, 0x100, CRC(c50622a9) SHA1(deda0df93fc4e4b5f4be313e4bfe0c5fc669a024))
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ROM_LOAD("471-a", 0x000, 0x100, CRC(c09ca06b) SHA1(cb99172f5342427c68a109ee108a0c49b44e7010))
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ROM_LOAD("472-a", 0x000, 0x100, CRC(e1316fed) SHA1(41ed2d822c74da4e1ce06eb229629576e7f5035f))
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ROM_LOAD("473-a", 0x000, 0x100, CRC(5e8efd7f) SHA1(647064e0c3b0d795a333febc57228472b1b32345))
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ROM_LOAD("474-a", 0x000, 0x100, CRC(0052edfd) SHA1(b5d18c9a6adce7a6d627ece40a60aab8c55a6597))
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ROM_LOAD("469-a", 0x100, 0x100, CRC(45e439de) SHA1(4f1af44332ae709d92e919c9e48433f29df5e632))
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ROM_LOAD("470a-3", 0x200, 0x100, CRC(c50622a9) SHA1(deda0df93fc4e4b5f4be313e4bfe0c5fc669a024))
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ROM_LOAD("471-a", 0x300, 0x100, CRC(c09ca06b) SHA1(cb99172f5342427c68a109ee108a0c49b44e7010))
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ROM_LOAD("472-a", 0x400, 0x100, CRC(e1316fed) SHA1(41ed2d822c74da4e1ce06eb229629576e7f5035f))
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ROM_LOAD("473-a", 0x500, 0x100, CRC(5e8efd7f) SHA1(647064e0c3b0d795a333febc57228472b1b32345))
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ROM_LOAD("474-a", 0x600, 0x100, CRC(0052edfd) SHA1(b5d18c9a6adce7a6d627ece40a60aab8c55a6597))
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// for sub cpu
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ROM_LOAD("453-a", 0x000, 0x100, CRC(7bc3871e) SHA1(6f75eb04911fa1ff66714276b8a88be62438a1b0))
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ROM_LOAD("454-a", 0x000, 0x100, CRC(aa2233cd) SHA1(4ec3a8c06cccda02f080e89831ecd8a9c96d3650))
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ROM_LOAD("453-a", 0x700, 0x100, CRC(7bc3871e) SHA1(6f75eb04911fa1ff66714276b8a88be62438a1b0))
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ROM_LOAD("454-a", 0x800, 0x100, CRC(aa2233cd) SHA1(4ec3a8c06cccda02f080e89831ecd8a9c96d3650))
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ROM_END
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/* Driver */
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459
src/mess/drivers/zorba.c
Normal file
459
src/mess/drivers/zorba.c
Normal file
@ -0,0 +1,459 @@
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/************************************************************************************************************
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Telcon Zorba
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2013-08-25 Skeleton
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This was one of the last CP/M-based systems, already out of date when it was released.
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Because it doesn't use the standard Z80 peripherals, it uses a homebrew interrupt controller to make use
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of the Z80's IM2.
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ToDo:
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- Add interrupt vector hardware and masking feature
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- Connect devices to the above hardware
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- Fix the unholy mess surrounding the dma and crtc
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- Connect up the PIT
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- Connect up the keyboard - the generic ascii one can be used
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- Probably lots of other things
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Note: because the 8275 isn't working, a generic video handler is being used at this time.
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*************************************************************************************************************/
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#include "emu.h"
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#include "cpu/z80/z80.h"
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#include "machine/i8251.h"
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#include "machine/6821pia.h"
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#include "machine/z80dma.h"
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#include "machine/pit8253.h"
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#include "video/i8275x.h"
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#include "sound/beep.h"
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#include "machine/wd_fdc.h"
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class zorba_state : public driver_device
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{
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public:
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zorba_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag)
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, m_p_videoram(*this, "videoram")
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, m_maincpu(*this, "maincpu")
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, m_beep(*this, "beeper")
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, m_dma(*this, "dma")
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, m_u0(*this, "uart0")
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, m_u1(*this, "uart1")
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, m_u2(*this, "uart2")
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, m_pia0(*this, "pia0")
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, m_pia1(*this, "pia1")
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, m_crtc(*this, "crtc")
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, m_fdc (*this, "fdc")
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, m_floppy0(*this, "fdc:0")
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, m_floppy1(*this, "fdc:1")
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{ }
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public:
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const UINT8 *m_p_chargen;
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UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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void palette_init_zorba();
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required_shared_ptr<const UINT8> m_p_videoram;
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DECLARE_DRIVER_INIT(zorba);
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DECLARE_MACHINE_RESET(zorba);
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DECLARE_READ8_MEMBER(ram_r);
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DECLARE_WRITE8_MEMBER(ram_w);
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DECLARE_READ8_MEMBER(rom_r);
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DECLARE_WRITE8_MEMBER(rom_w);
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DECLARE_WRITE8_MEMBER(intmask_w);
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DECLARE_WRITE_LINE_MEMBER(busreq_w);
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DECLARE_READ8_MEMBER(memory_read_byte);
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DECLARE_WRITE8_MEMBER(memory_write_byte);
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DECLARE_READ8_MEMBER(io_read_byte);
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DECLARE_WRITE8_MEMBER(io_write_byte);
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DECLARE_WRITE8_MEMBER(pia0_porta_w);
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private:
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UINT8 m_porta;
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UINT8 m_portb;
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UINT8 m_portc;
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UINT8 m_port08;
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required_device<cpu_device> m_maincpu;
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required_device<beep_device> m_beep;
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required_device<z80dma_device> m_dma;
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required_device<i8251_device> m_u0;
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required_device<i8251_device> m_u1;
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required_device<i8251_device> m_u2;
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required_device<pia6821_device> m_pia0;
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required_device<pia6821_device> m_pia1;
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required_device<i8275x_device> m_crtc;
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required_device<fd1793_t> m_fdc;
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required_device<floppy_connector> m_floppy0;
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required_device<floppy_connector> m_floppy1;
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};
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static ADDRESS_MAP_START( zorba_mem, AS_PROGRAM, 8, zorba_state )
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AM_RANGE( 0x0000, 0x3fff ) AM_READ_BANK("bankr0") AM_WRITE_BANK("bankw0")
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AM_RANGE( 0x4000, 0xf6ff ) AM_RAM
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AM_RANGE( 0xf700, 0xffff ) AM_RAM AM_SHARE("videoram")
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ADDRESS_MAP_END
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static ADDRESS_MAP_START( zorba_io, AS_IO, 8, zorba_state )
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ADDRESS_MAP_GLOBAL_MASK(0xff)
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AM_RANGE(0x00, 0x03) AM_DEVREADWRITE("pit", pit8254_device, read, write)
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AM_RANGE(0x04, 0x04) AM_READWRITE(rom_r,rom_w)
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AM_RANGE(0x05, 0x05) AM_READWRITE(ram_r,ram_w)
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AM_RANGE(0x10, 0x11) AM_DEVREADWRITE("crtc", i8275x_device, read, write)
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AM_RANGE(0x20, 0x20) AM_DEVREADWRITE("uart0", i8251_device, data_r, data_w)
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AM_RANGE(0x21, 0x21) AM_DEVREADWRITE("uart0", i8251_device, status_r, control_w)
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AM_RANGE(0x22, 0x22) AM_DEVREADWRITE("uart1", i8251_device, data_r, data_w)
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AM_RANGE(0x23, 0x23) AM_DEVREADWRITE("uart1", i8251_device, status_r, control_w)
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AM_RANGE(0x24, 0x24) AM_DEVREADWRITE("uart2", i8251_device, data_r, data_w)
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AM_RANGE(0x25, 0x25) AM_DEVREADWRITE("uart2", i8251_device, status_r, control_w)
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AM_RANGE(0x26, 0x26) AM_WRITE(intmask_w)
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AM_RANGE(0x30, 0x30) AM_DEVREADWRITE_LEGACY("dma", z80dma_r, z80dma_w)
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AM_RANGE(0x40, 0x43) AM_DEVREADWRITE("fdc", fd1793_t, read, write)
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AM_RANGE(0x50, 0x53) AM_DEVREADWRITE("pia0", pia6821_device, read, write)
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AM_RANGE(0x60, 0x63) AM_DEVREADWRITE("pia1", pia6821_device, read, write)
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ADDRESS_MAP_END
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READ8_MEMBER( zorba_state::ram_r )
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{
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membank("bankr0")->set_entry(0);
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return 0;
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}
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WRITE8_MEMBER( zorba_state::ram_w )
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{
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membank("bankr0")->set_entry(0);
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}
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READ8_MEMBER( zorba_state::rom_r )
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{
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membank("bankr0")->set_entry(1);
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return 0;
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}
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WRITE8_MEMBER( zorba_state::rom_w )
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{
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membank("bankr0")->set_entry(1);
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}
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WRITE8_MEMBER( zorba_state::intmask_w )
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{
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}
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static INPUT_PORTS_START( zorba )
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INPUT_PORTS_END
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DRIVER_INIT_MEMBER( zorba_state, zorba )
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{
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UINT8 *main = memregion("maincpu")->base();
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membank("bankr0")->configure_entry(0, &main[0x0000]);
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membank("bankr0")->configure_entry(1, &main[0x10000]);
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membank("bankw0")->configure_entry(0, &main[0x0000]);
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}
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//-------------------------------------------------
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// Z80DMA_INTERFACE( dma_intf )
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//-------------------------------------------------
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WRITE_LINE_MEMBER( zorba_state::busreq_w )
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{
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// since our Z80 has no support for BUSACK, we assume it is granted immediately
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m_maincpu->set_input_line(Z80_INPUT_LINE_BUSRQ, state);
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m_maincpu->set_input_line(INPUT_LINE_HALT, state); // do we need this?
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m_dma->bai_w(state); // tell dma that bus has been granted
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address_space &space = m_maincpu->space(AS_IO);
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m_crtc->dack_w(space, 0, 0); // this must pass a whole row of data from the dma
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}
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READ8_MEMBER(zorba_state::memory_read_byte)
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{
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address_space& prog_space = m_maincpu->space(AS_PROGRAM);
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return prog_space.read_byte(offset);
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}
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WRITE8_MEMBER(zorba_state::memory_write_byte)
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{
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address_space& prog_space = m_maincpu->space(AS_PROGRAM);
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return prog_space.write_byte(offset, data);
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}
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READ8_MEMBER(zorba_state::io_read_byte)
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{
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address_space& prog_space = m_maincpu->space(AS_IO);
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return prog_space.read_byte(offset);
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}
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WRITE8_MEMBER(zorba_state::io_write_byte)
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{
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address_space& prog_space = m_maincpu->space(AS_IO);
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return prog_space.write_byte(offset, data);
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}
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// busack on cpu connects to bai pin
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static Z80DMA_INTERFACE( dma_intf )
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{
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//DEVCB_CPU_INPUT_LINE("maincpu", INPUT_LINE_HALT), //busreq - connects to busreq on cpu
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DEVCB_DRIVER_LINE_MEMBER(zorba_state, busreq_w), //busreq - connects to busreq on cpu
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DEVCB_CPU_INPUT_LINE("maincpu", INPUT_LINE_IRQ0), //int/pulse - connects to IRQ0 on cpu
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DEVCB_NULL, //ba0 - not connected
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DEVCB_DRIVER_MEMBER(zorba_state, memory_read_byte),
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DEVCB_DRIVER_MEMBER(zorba_state, memory_write_byte),
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DEVCB_DRIVER_MEMBER(zorba_state, io_read_byte),
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DEVCB_DRIVER_MEMBER(zorba_state, io_write_byte),
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};
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static SLOT_INTERFACE_START( zorba_floppies )
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SLOT_INTERFACE( "525dd", FLOPPY_525_DD )
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SLOT_INTERFACE_END
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// COM port
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static const i8251_interface u0_intf =
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{
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL
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};
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// printer port
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static const i8251_interface u1_intf =
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{
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL
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};
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// keyboard
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static const i8251_interface u2_intf =
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{
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL
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};
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WRITE8_MEMBER( zorba_state::pia0_porta_w )
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{
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m_beep->set_state(BIT(data, 7));
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m_fdc->dden_w(!BIT(data, 6));
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floppy_image_device *floppy = NULL;
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if (BIT(data, 0)) floppy = m_floppy0->get_device();
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if (BIT(data, 1)) floppy = m_floppy1->get_device();
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m_fdc->set_floppy(floppy);
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if (floppy)
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{
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floppy->ss_w(BIT(data, 5)); // might need inverting
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}
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m_floppy0->get_device()->mon_w(BIT(data, 4));
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m_floppy1->get_device()->mon_w(BIT(data, 4));
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}
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// port A - disk select etc, beeper
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// port B - parallel interface
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static const pia6821_interface pia0_intf =
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{
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DEVCB_NULL, /* port A input */
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DEVCB_NULL, /* port B input */
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DEVCB_NULL, /* CA1 input */
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DEVCB_NULL, /* CB1 input */
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DEVCB_NULL, /* CA2 input */
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DEVCB_NULL, /* CB2 input */
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DEVCB_DRIVER_MEMBER(zorba_state, pia0_porta_w), /* port A output */
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DEVCB_NULL, /* port B output */
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DEVCB_NULL, /* CA2 output */
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DEVCB_NULL, /* CB2 output */
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DEVCB_NULL, /* IRQA output */
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DEVCB_NULL /* IRQB output */
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};
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// IEEE488 interface
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static const pia6821_interface pia1_intf =
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{
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DEVCB_NULL, /* port A input */
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DEVCB_NULL, /* port B input */
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DEVCB_NULL, /* CA1 input */
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DEVCB_NULL, /* CB1 input */
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DEVCB_NULL, /* CA2 input */
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DEVCB_NULL, /* CB2 input */
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DEVCB_NULL, /* port A output */
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DEVCB_NULL, /* port B output */
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DEVCB_NULL, /* CA2 output */
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DEVCB_NULL, /* CB2 output */
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DEVCB_NULL, /* IRQA output */
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DEVCB_NULL /* IRQB output */
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};
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static const struct pit8253_interface pit_intf =
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{
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{
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{
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XTAL_24MHz / 3, /* Timer 0: ? */
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DEVCB_NULL,
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DEVCB_NULL
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}, {
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XTAL_24MHz / 3, /* Timer 1: ? */
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DEVCB_NULL,
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DEVCB_NULL
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}, {
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XTAL_24MHz / 3, /* Timer 2: ? */
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DEVCB_NULL,
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DEVCB_NULL
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}
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}
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};
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PALETTE_INIT_MEMBER( zorba_state, zorba )
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{
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palette_set_color_rgb( machine(), 0, 0, 0, 0 ); /* Black */
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palette_set_color_rgb( machine(), 1, 0, 255, 0 ); /* Full */
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palette_set_color_rgb( machine(), 2, 0, 128, 0 ); /* Dimmed */
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}
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// need to include highlight attr
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static I8275_DISPLAY_PIXELS( zorba_update_chr )
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{
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int i;
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zorba_state *state = device->machine().driver_data<zorba_state>();
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const rgb_t *palette = palette_entry_list_raw(bitmap.palette());
|
||||
UINT8 gfx = state->m_p_chargen[(linecount & 15) + (charcode << 4)];
|
||||
|
||||
if (vsp)
|
||||
gfx = 0;
|
||||
|
||||
if (lten)
|
||||
gfx = 0xff;
|
||||
|
||||
if (rvv)
|
||||
gfx ^= 0xff;
|
||||
|
||||
for(i=0;i<8;i++)
|
||||
bitmap.pix32(y, x + 7 - i) = palette[BIT(gfx, i) ? (hlgt ? 2 : 1) : 0];
|
||||
}
|
||||
|
||||
// dack connects to busack on cpu
|
||||
// drq connects to pin 25 "RDY" on z80dma
|
||||
const i8275_interface crtc_intf =
|
||||
{
|
||||
8, // pixels in each char
|
||||
0, // delay
|
||||
DEVCB_NULL,//DEVCB_DEVICE_LINE_MEMBER("dma", z80dma_device, rdy_w), //wrln drq
|
||||
DEVCB_CPU_INPUT_LINE("maincpu", INPUT_LINE_IRQ0), //wrln irq
|
||||
DEVCB_NULL, //wrln h
|
||||
DEVCB_NULL, //wrln v
|
||||
zorba_update_chr // output func
|
||||
};
|
||||
|
||||
MACHINE_RESET_MEMBER( zorba_state, zorba )
|
||||
{
|
||||
m_beep->set_frequency(800);
|
||||
m_p_chargen = memregion("chargen")->base();
|
||||
membank("bankr0")->set_entry(1); // point at rom
|
||||
membank("bankw0")->set_entry(0); // always write to ram
|
||||
}
|
||||
|
||||
UINT32 zorba_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
|
||||
{
|
||||
UINT8 y,ra,chr,gfx;
|
||||
UINT16 sy=0,ma=0,x;
|
||||
|
||||
for (y = 0; y < 25; y++)
|
||||
{
|
||||
for (ra = 0; ra < 11; ra++)
|
||||
{
|
||||
UINT16 *p = &bitmap.pix16(sy++);
|
||||
|
||||
for (x = 0; x < 80; x++)
|
||||
{
|
||||
gfx = 0;
|
||||
chr = m_p_videoram[x+ma];
|
||||
|
||||
if (chr) gfx = m_p_chargen[(chr<<4) | ra ];
|
||||
|
||||
/* Display a scanline of a character */
|
||||
*p++ = BIT(gfx, 7);
|
||||
*p++ = BIT(gfx, 6);
|
||||
*p++ = BIT(gfx, 5);
|
||||
*p++ = BIT(gfx, 4);
|
||||
*p++ = BIT(gfx, 3);
|
||||
*p++ = BIT(gfx, 2);
|
||||
*p++ = BIT(gfx, 1);
|
||||
*p++ = BIT(gfx, 0);
|
||||
}
|
||||
}
|
||||
ma+=80;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static MACHINE_CONFIG_START( zorba, zorba_state )
|
||||
// basic machine hardware
|
||||
MCFG_CPU_ADD("maincpu", Z80, XTAL_24MHz / 6)
|
||||
MCFG_CPU_PROGRAM_MAP(zorba_mem)
|
||||
MCFG_CPU_IO_MAP(zorba_io)
|
||||
MCFG_MACHINE_RESET_OVERRIDE(zorba_state, zorba)
|
||||
|
||||
/* video hardware */
|
||||
MCFG_SCREEN_ADD("screen", RASTER)
|
||||
MCFG_SCREEN_REFRESH_RATE(60)
|
||||
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
|
||||
//MCFG_SCREEN_UPDATE_DEVICE("crtc", i8275x_device, screen_update) // not working
|
||||
MCFG_SCREEN_UPDATE_DRIVER(zorba_state, screen_update)
|
||||
MCFG_SCREEN_SIZE(640, 276)
|
||||
MCFG_SCREEN_VISIBLE_AREA(0, 639, 0, 275)
|
||||
MCFG_PALETTE_LENGTH(3)
|
||||
MCFG_PALETTE_INIT_OVERRIDE(zorba_state, zorba)
|
||||
|
||||
/* sound hardware */
|
||||
MCFG_SPEAKER_STANDARD_MONO("mono")
|
||||
MCFG_SOUND_ADD("beeper", BEEP, 0)
|
||||
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
|
||||
|
||||
/* Devices */
|
||||
MCFG_Z80DMA_ADD("dma", XTAL_24MHz/6, dma_intf)
|
||||
MCFG_I8251_ADD("uart0", u0_intf)
|
||||
MCFG_I8251_ADD("uart1", u1_intf)
|
||||
MCFG_I8251_ADD("uart2", u2_intf)
|
||||
MCFG_PIA6821_ADD("pia0", pia0_intf)
|
||||
MCFG_PIA6821_ADD("pia1", pia1_intf)
|
||||
MCFG_PIT8254_ADD( "pit", pit_intf)
|
||||
MCFG_I8275_ADD ( "crtc", 2e6, crtc_intf)
|
||||
MCFG_FD1793x_ADD("fdc", XTAL_24MHz / 24)
|
||||
MCFG_FLOPPY_DRIVE_ADD("fdc:0", zorba_floppies, "525dd", floppy_image_device::default_floppy_formats)
|
||||
MCFG_FLOPPY_DRIVE_ADD("fdc:1", zorba_floppies, "525dd", floppy_image_device::default_floppy_formats)
|
||||
MACHINE_CONFIG_END
|
||||
|
||||
ROM_START( zorba )
|
||||
ROM_REGION( 0x14000, "maincpu", ROMREGION_ERASEFF )
|
||||
ROM_LOAD( "780000.u47", 0x10000, 0x1000, CRC(6d58f2c5) SHA1(7763f08c801cd36e5a761c6dc9f30a50b3bc482d) )
|
||||
|
||||
ROM_REGION( 0x1000, "chargen", 0 )
|
||||
ROM_LOAD( "773000.u5", 0x0000, 0x1000, CRC(d0a2f8fc) SHA1(29aee7ee657778c46e9800abd4955e6d4b33ef68) )
|
||||
|
||||
ROM_REGION( 0x60, "proms", 0 )
|
||||
ROM_LOAD( "74ls288.u37", 0x0000, 0x0020, CRC(0a67edd6) SHA1(c1ece8978a3a061e0130d43907fa63a71e75e75d) )
|
||||
ROM_LOAD( "74ls288.u38", 0x0020, 0x0020, CRC(5ec93ea7) SHA1(3a84c098474b05d5cbe1939a3e15f66d06470581) )
|
||||
ROM_LOAD( "74ls288.u77", 0x0040, 0x0020, CRC(946e03b0) SHA1(24240bdd7bdf507a5b51628fb36ad1266fc53a28) )
|
||||
ROM_END
|
||||
|
||||
COMP( 1982, zorba, 0, 0, zorba, zorba, zorba_state, zorba, "Telcon Industries", "Zorba", GAME_NOT_WORKING )
|
||||
@ -2250,4 +2250,5 @@ seattle
|
||||
c8002
|
||||
sbrain
|
||||
ibm6580
|
||||
zorba
|
||||
|
||||
|
||||
@ -2444,6 +2444,7 @@ $(MESSOBJ)/skeleton.a: \
|
||||
$(MESS_DRIVERS)/vta2000.o \
|
||||
$(MESS_DRIVERS)/xor100.o \
|
||||
$(MESS_DRIVERS)/z100.o \
|
||||
$(MESS_DRIVERS)/zorba.o \
|
||||
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user