Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-26 18:23:08 +03:00
Code Issues Actions 29 Packages Projects Releases Wiki Activity

tti: More discoveries (nw)

Browse Source
This commit is contained in:
AJR 2017-11-12 13:38:33 -05:00
parent b0b77296c9
commit 589aec2d37
1 changed files with 13 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
src/mame/drivers/tti.cpp
View File

@ -4,12 +4,14 @@
2017-11-02 Skeleton
Transitional Technology Inc., single-board computer. Model number not known, zipfile was named "TTI_10012000.zip"
Transitional Technology Inc. SCSI host adapter, possibly part of the QTx (Q-Bus) series or UTx (Unibus) series.
Model number not known, zipfile was named "TTI_10012000.zip"
Chips: NCR 53C90A, Motorola MC68901P, Fujitsu 8464A-10L (8KB static ram), and 14 undumped proms.
Chips: NCR 53C90A, Motorola MC68901P, Fujitsu 8464A-10L (8KB static ram), Xicor X24C44P (16x16 serial NOVRAM), and 14 undumped
Lattice PLDs.
Other: LED, 20MHz crystal. Next to the MC68901P is another chip just as large (48 pin DIL), with a huge sticker covering all details.
Assumed to be a Motorola CPU such as MC68000, MC68008, etc.
Other: LED, 20MHz crystal. Next to the MC68901P is another chip just as large (48 pin DIL), with a huge "MFG. UNDER LICENSE FROM
DIGITAL EQUIPMENT CORP." sticker covering all details. Assumed to be a Motorola MC68008 CPU.
************************************************************************************************************************************/
@ -46,7 +48,7 @@ INPUT_PORTS_END
static ADDRESS_MAP_START( prg_map, AS_PROGRAM, 8, tti_state )
AM_RANGE(0x00000, 0x07fff) AM_ROM AM_REGION("maincpu", 0)
AM_RANGE(0x78000, 0x7ffff) AM_RAM
AM_RANGE(0x7e000, 0x7ffff) AM_RAM
AM_RANGE(0x80000, 0x80017) AM_DEVREADWRITE("mfp", mc68901_device, read, write)
AM_RANGE(0x80070, 0x80077) AM_DEVWRITE("bitlatch", ls259_device, write_d0)
ADDRESS_MAP_END
@ -66,13 +68,13 @@ static MACHINE_CONFIG_START( tti )
MCFG_RS232_PORT_ADD("rs232", default_rs232_devices, "terminal")
MCFG_RS232_RXD_HANDLER(DEVWRITELINE("mfp", mc68901_device, write_rx))
MCFG_EEPROM_SERIAL_X24C44_ADD("eeprom") // actual type unknown
MCFG_EEPROM_SERIAL_X24C44_ADD("novram")
MCFG_EEPROM_SERIAL_DO_CALLBACK(DEVWRITELINE("mfp", mc68901_device, i0_w))
MCFG_DEVICE_ADD("bitlatch", LS259, 0) // actual type unknown
MCFG_ADDRESSABLE_LATCH_Q0_OUT_CB(DEVWRITELINE("eeprom", eeprom_serial_x24c44_device, di_write))
MCFG_ADDRESSABLE_LATCH_Q1_OUT_CB(DEVWRITELINE("eeprom", eeprom_serial_x24c44_device, clk_write))
MCFG_ADDRESSABLE_LATCH_Q2_OUT_CB(DEVWRITELINE("eeprom", eeprom_serial_x24c44_device, cs_write))
MCFG_DEVICE_ADD("bitlatch", LS259, 0) // U17
MCFG_ADDRESSABLE_LATCH_Q0_OUT_CB(DEVWRITELINE("novram", eeprom_serial_x24c44_device, di_write))
MCFG_ADDRESSABLE_LATCH_Q1_OUT_CB(DEVWRITELINE("novram", eeprom_serial_x24c44_device, clk_write))
MCFG_ADDRESSABLE_LATCH_Q2_OUT_CB(DEVWRITELINE("novram", eeprom_serial_x24c44_device, cs_write))
MACHINE_CONFIG_END
ROM_START( tti )
@ -81,4 +83,4 @@ ROM_START( tti )
ROM_LOAD( "tti_10012000_rev1.7.bin", 0x0000, 0x8000, CRC(6660c059) SHA1(05d97009b5b8034dda520f655c73c474da97f822) )
ROM_END
COMP( 1989, tti, 0, 0, tti, tti, tti_state, 0, "Transitional Technology Inc", "unknown TTI SBC", MACHINE_IS_SKELETON )
COMP( 1989, tti, 0, 0, tti, tti, tti_state, 0, "Transitional Technology Inc", "unknown TTI SCSI host adapter", MACHINE_IS_SKELETON )