Mahjong Sisters Memory Map

Contributors
Contributors
- Contributor Account
- Sign Up
On-Line Databases
On-Line Databases
Main
Main
Education
Education
My Restorations
My Restorations
- Restorations
- Conversions
Restoring Games
Restoring Games
Repairing Games
Repairing Games
Resources
Resources
Miscellaneous
Miscellaneous

Memory Map

The following is a memory map that was generated based on the MAME source code (.180). This information is only as accurate as the MAME driver is. If you see any errors, please let me know what that error is.

The Memory Area is related to where the information is from (CPU, Sound Board, etc..), and it may also reflect what it has in common with other hardware.

Mahjong Sisters (Toaplan, 1986)

Memory Area:mjsister_io_map

Address Range

Length

Function

Description

0x0000-0x0001

Write NOP

(/* HD46505? */)

0x0010

Device Write

aysnd, ay8910_device, address_w

0x0011

Device Read

aysnd, ay8910_device, data_r

0x0012

Device Write

aysnd, ay8910_device, data_w

0x0020

Read

keys_r

0x0021

Read Port

IN0

0x0001	Coin 2	Active High
0x0002	Service 3	Active High
0x0004	Gamble Book	Active High
0x0008	Service	Active High
0x0010	Service 4	Active High
0x0020	Gamble Payout	Active High
0x0040	Coin 1	Active High
0x0080	Hopper	Active High

0x0030

Write

banksel1_w

0x0031

Write

banksel2_w

0x0032

Write

input_sel1_w

0x0033

Write

input_sel2_w

0x0034

Write

dac_adr_s_w

0x0035

Write

dac_adr_e_w

Memory Area:mjsister_map

Address Range	Length	Function	Description
0x0000-0x77FF	30720	ROM
0x7800-0x7FFF	2048	RAM
0x8000-0xFFFF	32768	ROM Bank, Write	bank1, videoram_w

ROM Map for this game

This is the ROM map for the game. This should tell you what address the ROM is at, how big it is, what it's used for.

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x7FFF	32768	ms00.bin	CRC(9468c33b) (Fluke: 2680)
0x10000-0x1FFFF	65536	ms01t.bin	CRC(a7b6e530),banked (Fluke: D4F9)
0x20000-0x2FFFF	65536	ms02t.bin	CRC(7752b5ba),banked (Fluke: 9CB4)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x00FF	256	ms05.bpr	CRC(dd231a5f) (Fluke: C751)
0x0100-0x01FF	256	ms06.bpr	CRC(df8e8852) (Fluke: A1DC)
0x0200-0x02FF	256	ms07.bpr	CRC(6cb3a735) (Fluke: 79FD)
0x0300-0x03FF	256	ms08.bpr	CRC(da2b3b38) (Fluke: D9FE)

Memory Area:samples

Address Range	Length	Label/Location	Description
0x0000-0xFFFF	65536	ms03.bin	CRC(10a68e5e) (Fluke: 9AAB)
0x10000-0x1FFFF	65536	ms04.bin	CRC(641b09c1) (Fluke: 8950)