diff options
Diffstat (limited to 'src/mess/drivers/mcb216.c')
-rw-r--r-- | src/mess/drivers/mcb216.c | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/src/mess/drivers/mcb216.c b/src/mess/drivers/mcb216.c deleted file mode 100644 index 05aaf8960f8..00000000000 --- a/src/mess/drivers/mcb216.c +++ /dev/null @@ -1,161 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Robbbert -/*************************************************************************** - - 2013-12-01 Driver for Cromemco MCB-216 SCC (Single Card Computer), - and also the earlier CB-308. - - The driver is working, just missing some hardware info (see ToDo). - - TODO: - - Find out cpu clock speed - - Find out what UART type is used - - Memory allocation - - 0000 to 0FFF - standard roms - - 1000 to 1FFF - optional roms or ram (expect roms) - - 2000 to 23FF - standard ram - - 2400 to FFFF - optional whatever the user wants (expect ram) - - MCB-216: - Press Enter twice. You will see the Basic OK prompt. To get into the - monitor, use the QUIT command, and to return use the B command. - - The mcb216 can use an optional floppy-disk-drive unit. The only other - storage is paper-tape, which is expected to be attached to the terminal. - - CB-308: - Press Enter twice. You will see the Monitor logo. To get into the BASIC, - enter GE400. To return to the monitor, use the QUIT command followed by - pressing Enter twice. All monitor commands must be in uppercase. The - only storage is paper-tape. - -****************************************************************************/ - -#include "emu.h" -#include "cpu/z80/z80.h" -#include "machine/terminal.h" - -#define TERMINAL_TAG "terminal" - -class mcb216_state : public driver_device -{ -public: - mcb216_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - m_terminal(*this, TERMINAL_TAG) - { - } - - DECLARE_WRITE8_MEMBER(kbd_put); - DECLARE_READ8_MEMBER(keyin_r); - DECLARE_READ8_MEMBER(status_r); - DECLARE_MACHINE_RESET(mcb216); - DECLARE_MACHINE_RESET(cb308); - -private: - UINT8 m_term_data; - required_device<cpu_device> m_maincpu; - required_device<generic_terminal_device> m_terminal; -}; - -static ADDRESS_MAP_START(mcb216_mem, AS_PROGRAM, 8, mcb216_state) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x0000, 0x0fff) AM_ROM AM_REGION("roms", 0) - AM_RANGE(0x2000, 0x23ff) AM_RAM - AM_RANGE(0x2400, 0xffff) AM_RAM -ADDRESS_MAP_END - -static ADDRESS_MAP_START(mcb216_io, AS_IO, 8, mcb216_state) - ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0x00, 0x00) AM_READ(status_r) - AM_RANGE(0x01, 0x01) AM_READ(keyin_r) AM_DEVWRITE(TERMINAL_TAG, generic_terminal_device, write) -ADDRESS_MAP_END - -static ADDRESS_MAP_START(cb308_mem, AS_PROGRAM, 8, mcb216_state) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x0000, 0x1fff) AM_RAM - AM_RANGE(0xe000, 0xefff) AM_ROM AM_REGION("roms", 0) -ADDRESS_MAP_END - - -/* Input ports */ -static INPUT_PORTS_START( mcb216 ) -INPUT_PORTS_END - - -READ8_MEMBER( mcb216_state::keyin_r ) -{ - UINT8 ret = m_term_data; - m_term_data = 0; - return ret; -} - -// 0x40 - a keystroke is available -// 0x80 - ok to send to terminal -READ8_MEMBER( mcb216_state::status_r ) -{ - return (m_term_data) ? 0xc0 : 0x80; -} - -WRITE8_MEMBER( mcb216_state::kbd_put ) -{ - m_term_data = data; -} - -MACHINE_RESET_MEMBER( mcb216_state, mcb216 ) -{ - m_term_data = 0; -} - -MACHINE_RESET_MEMBER( mcb216_state, cb308 ) -{ - m_term_data = 0; - m_maincpu->set_state_int(Z80_PC, 0xe000); -} - -static MACHINE_CONFIG_START( mcb216, mcb216_state ) - /* basic machine hardware */ - MCFG_CPU_ADD("maincpu", Z80, 4000000) - MCFG_CPU_PROGRAM_MAP(mcb216_mem) - MCFG_CPU_IO_MAP(mcb216_io) - MCFG_MACHINE_RESET_OVERRIDE(mcb216_state, mcb216) - - /* video hardware */ - MCFG_DEVICE_ADD(TERMINAL_TAG, GENERIC_TERMINAL, 0) - MCFG_GENERIC_TERMINAL_KEYBOARD_CB(WRITE8(mcb216_state, kbd_put)) -MACHINE_CONFIG_END - -static MACHINE_CONFIG_START( cb308, mcb216_state ) - /* basic machine hardware */ - MCFG_CPU_ADD("maincpu", Z80, 4000000) - MCFG_CPU_PROGRAM_MAP(cb308_mem) - MCFG_CPU_IO_MAP(mcb216_io) - MCFG_MACHINE_RESET_OVERRIDE(mcb216_state, cb308) - - /* video hardware */ - MCFG_DEVICE_ADD(TERMINAL_TAG, GENERIC_TERMINAL, 0) - MCFG_GENERIC_TERMINAL_KEYBOARD_CB(WRITE8(mcb216_state, kbd_put)) -MACHINE_CONFIG_END - -/* ROM definition */ -ROM_START( mcb216 ) - ROM_REGION(0x1000, "roms", 0) - ROM_LOAD( "mcb216r0", 0x0000, 0x0800, CRC(86d20cea) SHA1(9fb8fdbcb8d31bd3304a0b3339c7f423188e9d37) ) - ROM_LOAD( "mcb216r1", 0x0800, 0x0800, CRC(68a25b2c) SHA1(3eadd4a5d65726f767742deb4b51a97df813f37d) ) -ROM_END - -ROM_START( cb308 ) - ROM_REGION(0x1000, "roms", 0) - ROM_LOAD( "cb308r0", 0x0000, 0x0400, CRC(62f50531) SHA1(3071e2ab7fc6b2ca889e4fb5cf7cc9ee8fbe53d3) ) - ROM_LOAD( "cb308r1", 0x0400, 0x0400, CRC(03191ac1) SHA1(84665dfc797c9f51bb659291b18399986ed846fb) ) - ROM_LOAD( "cb308r2", 0x0800, 0x0400, CRC(695ea521) SHA1(efe36a712e2a038ee804e556c5ebe05443cf798e) ) - ROM_LOAD( "cb308r3", 0x0c00, 0x0400, CRC(e3e4a778) SHA1(a7c14458f8636d860ae25b10387fa6f7f2ef6ef9) ) -ROM_END - -/* Driver */ - -/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ -COMP( 1979, mcb216, 0, 0, mcb216, mcb216, driver_device, 0, "Cromemco", "MCB-216", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW ) -COMP( 1977, cb308, mcb216, 0, cb308, mcb216, driver_device, 0, "Cromemco", "CB-308", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW ) |