diff options
Diffstat (limited to 'src/mess/drivers/sitcom.c')
-rw-r--r-- | src/mess/drivers/sitcom.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/src/mess/drivers/sitcom.c b/src/mess/drivers/sitcom.c deleted file mode 100644 index 4f98a75a42d..00000000000 --- a/src/mess/drivers/sitcom.c +++ /dev/null @@ -1,135 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Robbbert -/*************************************************************************** - - SITCOM (known as Sitcom, Sitcom85, Sitcom8085) - - 25/09/2011 Driver [Robbbert] - - http://www.izabella.me.uk/html/sitcom_.html - http://www.sbprojects.com/sitcom/sitcom.htm - - The display consists of a LED connected to SOD, and a pair of - DL1414 intelligent alphanumeric displays. - - The idea of this device is that you write a 8085 program with an - assembler on your PC. You then compile it, and then send it to - the SITCOM via a serial cable. The program then (hopefully) runs - on the SITCOM. With the 8255 expansion, you could wire up input - devices or other hardware for your program to use. - - The SOD LED blinks slowly while waiting; stays on while downloading; - and blinks quickly if an error occurs. - - After a successful download, the ROM is switched out and the RAM - mirrored to the lower 32k. The downloaded program is then executed. - This part is not emulated. - - In MESS, start emulation. After about 10 seconds the display will - scroll sideways with a message and a weblink. There are no input keys. - -****************************************************************************/ - -#include "emu.h" -#include "cpu/i8085/i8085.h" -#include "video/dl1416.h" -#include "sitcom.lh" - - - -class sitcom_state : public driver_device -{ -public: - sitcom_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - m_ds0(*this, "ds0"), - m_ds1(*this, "ds1") - { } - - required_device<cpu_device> m_maincpu; - required_device<dl1416_device> m_ds0; - required_device<dl1416_device> m_ds1; - DECLARE_WRITE_LINE_MEMBER(sod_led); - DECLARE_READ_LINE_MEMBER(sid_line); - virtual void machine_reset(); - DECLARE_WRITE16_MEMBER(sitcom_update_ds0); - DECLARE_WRITE16_MEMBER(sitcom_update_ds1); -}; - -static ADDRESS_MAP_START( sitcom_mem, AS_PROGRAM, 8, sitcom_state ) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x0000, 0x07ff) AM_ROM - AM_RANGE(0x8000, 0xffff) AM_RAM -ADDRESS_MAP_END - -static ADDRESS_MAP_START( sitcom_io, AS_IO, 8, sitcom_state ) - ADDRESS_MAP_UNMAP_HIGH - ADDRESS_MAP_GLOBAL_MASK(0xff) - // AM_RANGE(0x00, 0x1f) 8255 for expansion only - AM_RANGE(0xc0, 0xc3) AM_DEVWRITE("ds0", dl1416_device, data_w) //left display - AM_RANGE(0xe0, 0xe3) AM_DEVWRITE("ds1", dl1416_device, data_w) //right display -ADDRESS_MAP_END - -/* Input ports */ -static INPUT_PORTS_START( sitcom ) -INPUT_PORTS_END - -void sitcom_state::machine_reset() -{ - m_ds0->ce_w(0); // enable - m_ds0->wr_w(0); - m_ds0->cu_w(1); // no cursor - m_ds1->ce_w(0); - m_ds1->wr_w(0); - m_ds1->cu_w(1); -} - -WRITE16_MEMBER(sitcom_state::sitcom_update_ds0) -{ - output_set_digit_value(offset, data); -} - -WRITE16_MEMBER(sitcom_state::sitcom_update_ds1) -{ - output_set_digit_value(4 + offset, data); -} - -// SID line used as serial input from a pc -READ_LINE_MEMBER( sitcom_state::sid_line ) -{ - return 1; //idle - changing to 0 gives a FR ERROR -} - -WRITE_LINE_MEMBER( sitcom_state::sod_led ) -{ - output_set_value("sod_led", state); -} - -static MACHINE_CONFIG_START( sitcom, sitcom_state ) - /* basic machine hardware */ - MCFG_CPU_ADD("maincpu", I8085A, XTAL_6_144MHz) // 3.072MHz can be used for an old slow 8085 - MCFG_CPU_PROGRAM_MAP(sitcom_mem) - MCFG_CPU_IO_MAP(sitcom_io) - MCFG_I8085A_SID(READLINE(sitcom_state, sid_line)) - MCFG_I8085A_SOD(WRITELINE(sitcom_state, sod_led)) - - MCFG_DEFAULT_LAYOUT(layout_sitcom) - - /* video hardware */ - MCFG_DEVICE_ADD("ds0", DL1416B, 0) - MCFG_DL1416_UPDATE_HANDLER(WRITE16(sitcom_state, sitcom_update_ds0)) - MCFG_DEVICE_ADD("ds1", DL1416B, 0) - MCFG_DL1416_UPDATE_HANDLER(WRITE16(sitcom_state, sitcom_update_ds1)) -MACHINE_CONFIG_END - -/* ROM definition */ -ROM_START( sitcom ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) - ROM_LOAD( "boot8085.bin", 0x0000, 0x06b8, CRC(1b5e3310) SHA1(3323b65f0c10b7ab6bb75ec824e6d5fb643693a8)) -ROM_END - -/* Driver */ - -/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ -COMP( 2002, sitcom, 0, 0, sitcom, sitcom, driver_device, 0, "San Bergmans & Izabella Malcolm", "Sitcom", MACHINE_NO_SOUND_HW) |