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Minor doc updates: ID the MB89372 & Link PCB layout - NW

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This commit is contained in:
Brian Troha 2014-08-29 14:29:45 +00:00
parent 040ee1c0e0
commit 1efddd17ff
2 changed files with 40 additions and 7 deletions
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2
src/mame/drivers/segaxbd.c
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@ -232,7 +232,7 @@ Notes:
Z80 clock: 8.000MHz [16/2]
6264 : 8k x8 SRAM
MB8421 : Fujitsu 2k x8 Dual-Port SRAM (SDIP52)
MB89372 : ?, Manufactured by Fujitsu, SDIP64
MB89372 : Fujitsu Multi-Protocol Controller (SDIP64)
epr-12587: 27C256 EPROM

45
src/mame/drivers/segaybd.c
View File

@ -24,6 +24,36 @@
Known bugs:
* still seems to be some glitchiness in the games in general
****************************************************************************
Network Board (used for Power Drift)
-------------
Board: 834-6740
|-------------| |-| |--------|---|-|
| _ 315-5336 RX TX CNC |
||C| |
||N| MB8421 EPR-12028 MB89372P-SH |
||A| 5563 |
||_| 315-5337 |
| SW1 LED 16MHz Z80E |
|----------------------------------|
Notes:
PALs : 315-5337, 315-5336, both PAL16L8
Z80 clock : 8.000MHz [16/2]
5563 : Toshiba TC5563APL-12L 8k x 8 SRAM
MB8421 : Fujitsu 2k x 8 Dual-Port SRAM (SDIP52)
MB89372 : Fujitsu Multi-Protocol Controller
EPR-12028 : 27C256 EPROM
CNA : 50 Pin connector to main board
CNC : 10 pin connector
SW1 : Dipswitch block, 8 switches
MB89372 - Uses 3 serial data transfer protocols: ASYNC, COP & BOP. Has a built
in DMA controller and Interrupt controller to handle interrupts
from the serial interface unit (SIU) & DMA controller (DMAC)
***************************************************************************/
#include "emu.h"
@ -1341,17 +1371,15 @@ static MACHINE_CONFIG_START( yboard, segaybd_state )
MCFG_SOUND_ROUTE(1, "rspeaker", 1.0)
MACHINE_CONFIG_END
// LINK PCB is 834-6740, similar to the one for Super Monaco GP
// has 1x 8 switch dip bank, Z80E CPU, ribbon connector? (to main board?), RX/TX ports, 16Mhz OSC,
// MB8421 DPSRAM, MB89372 (UART?)
// irq at 0x28 is from mb8421, and irq at 0x38 probably from uart?
// irq at 0x28 is from MB8421, and irq at 0x38 probably from MB89372?
static MACHINE_CONFIG_DERIVED( yboard_link, yboard )
// basic machine hardware
MCFG_CPU_MODIFY("maincpu")
MCFG_CPU_PROGRAM_MAP(main_map_link)
MCFG_CPU_ADD("linkcpu", Z80, XTAL_16MHz/2 ) // 8 mhz?
MCFG_CPU_ADD("linkcpu", Z80, XTAL_16MHz/2 ) // 8 Mhz
MCFG_CPU_PROGRAM_MAP(link_map)
MCFG_CPU_IO_MAP(link_portmap)
@ -2091,7 +2119,12 @@ ROM_START( pdriftj )
ROM_LOAD( "epr-11898.ic4", 0x000000, 0x20000, CRC(5d19d767) SHA1(d335cd3ef57c75e388df04b04fc3e2881a3902cf) )
ROM_END
// this was just 6 loose program roms + 4 sprite roms + the link PCBs, other roms could be incorrect
//*************************************************************************************************************************
// Power Drift, Sega Y-board Link version
// Sega Game ID: 833-6697
//
// This was just 6 loose program roms + 4 sprite roms + the link PCBs, other roms could be incorrect
//
ROM_START(pdriftl)
ROM_REGION(0x080000, "maincpu", 0) // M
ROM_LOAD16_BYTE("epr-12107a.25", 0x000000, 0x20000, CRC(0acaed3c) SHA1(0a3d86346b7a75a53b07311c095a879a22048590))