Mahjong X-Tal 7 - Crystal Mahjong / Mahjong Diamond 7 Memory Map

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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 X-Tal 7 - Crystal Mahjong / Mahjong Diamond 7 (Dynax, 1990)

Memory Area:hnoridur_io_map

Address Range

Length

Function

Description

0x0001-0x0007

Write

dynax_blitter_rev2_w (// Blitter)

0x0020

Write

hanamai_keyboard_w (// keyboard row select)

0x0021

Read Port

COINS (// Coins)

0x0001	Gamble Payout	Active Low
0x0002	Unknown	Active Low
0x0004	Service	Active Low
0x0008	Service 2	Active Low
0x0010	Memory Reset	Active Low
0x0020	Coin 2	Active Low
0x0040	Coin 1	Active Low
0x0080	Service 1	Active Low

0x0022

Read

hanamai_keyboard_1_r (// P2)

0x0023

Read

hanamai_keyboard_0_r (// P1)

0x0024

Read Port

DSW1 (// DSW2)

0x0000	50	Active High
0x0001	53	Active High
0x0002	56	Active High
0x0003	59	Active High
0x0004	62	Active High
0x0005	65	Active High
0x0006	68	Active High
0x0007	71	Active High
0x0008	75	Active High
0x0009	78	Active High
0x000a	81	Active High
0x000b	84	Active High
0x000c	87	Active High
0x000d	90	Active High
0x000e	93	Active High
0x000f	96	Active High
0x0030	1	Active High
0x0020	5	Active High
0x0010	10	Active High
0x0000	20	Active High
0x0040	1C_5C	Active High
0x0000	1 Coin/10 Credits	Active High
0x0080	Off	Active High
0x0000	On	Active High

0x0025

Read Port

DSW3 (// DSW4)

0x0000	Off	Active High
0x0001	On	Active High
0x0002	High	Active High
0x0000	Low	Active High
0x0004	Off	Active High
0x0000	On	Active High
0x0000	Off	Active High
0x0008	On	Active High
0x0010	Off	Active High
0x0000	On	Active High
0x0020	Off	Active High
0x0000	On	Active High
0x0040	Off	Active High
0x0000	On	Active High
0x0080	Off	Active High
0x0000	On	Active High

0x0026

Read Port

DSW2 (// DSW3)

0x0007	Cut	Active High
0x0006	1 T	Active High
0x0005	300	Active High
0x0004	500	Active High
0x0003	700	Active High
0x0002	1000	Active High
0x0001	1000	Active High
0x0000	1000	Active High
0x0008	1	Active High
0x0000	2	Active High
0x0010	High	Active High
0x0000	Low	Active High
0x0000	Automatic	Active High
0x0020	Manual	Active High
0x0040	A	Active High
0x0000	Flip Flop	Active High
0x0080	X-Tal	Active High
0x0000	Diamond	Active High

0x0030

Write

adpcm_reset_w (// MSM5205 reset)

0x0032

Write

adpcm_data_w (// MSM5205 data)

0x0034-0x0035

Device Write

ym2413, ym2413_device, write (//)

0x0036

Device Read

aysnd, ay8910_device, data_r (// AY8910, DSW0)

0x0038

Device Write

aysnd, ay8910_device, data_w (// AY8910)

0x003A

Device Write

aysnd, ay8910_device, address_w (//)

0x0040

Write

dynax_blit_pen_w (// Destination Pen)

0x0041

Write

dynax_blit_dest_w (// Destination Layer)

0x0042

Write

dynax_blit_palette01_w (// Layers Palettes)

0x0043

Write

dynax_blit_palette23_w (//)

0x0044

Write

hanamai_priority_w (// layer priority and enable)

0x0045

Write

dynax_blit_backpen_w (// Background Color)

0x0046

Write

dynax_blit_romregion_w (// Blitter ROM bank)

0x0047

Write

hnoridur_palbank_w

0x0050

Write

dynax_extra_scrollx_w (// screen scroll X)

0x0051

Write

dynax_extra_scrolly_w (// screen scroll Y)

0x0054

Write

hnoridur_rombank_w (// BANK ROM Select)

0x0055

Write NOP

(// ? VBlank IRQ Ack)

0x0056

Write

dynax_vblank_ack_w (// VBlank IRQ Ack)

0x0057

Read

ret_ff (// ?)

0x0060

Write

dynax_flipscreen_w (// Flip Screen)

0x0061

Write

hanamai_layer_half_w (// half of the interleaved layer to write to)

0x0062

Write

hnoridur_layer_half2_w (//)

0x0067

Write

dynax_blitter_ack_w (// Blitter IRQ Ack)

0x0070

Write

dynax_coincounter_0_w (// Coin Counters)

0x0071

Write

dynax_coincounter_1_w (//)

Memory Area:hnoridur_mem_map

Address Range	Length	Function	Description
0x0000-0x6FFF	28672	ROM
0x7000-0x7FFF	4096	RAM, Shared	nvram
0x8000-0xFFFF	32768	Read Bank, Write	bank1, hnoridur_palette_w

Memory Area:mjelctrn_io_map

Address Range

Length

Function

Description

0x0000

Write

adpcm_reset_w (// MSM5205 reset)

0x0002

Write

adpcm_data_w (// MSM5205 data)

0x0004-0x0005

Device Write

ym2413, ym2413_device, write (//)

0x0008

Device Write

aysnd, ay8910_device, data_w (// AY8910)

0x000A

Device Write

aysnd, ay8910_device, address_w (//)

0x0011-0x0012

Write

mjelctrn_blitter_ack_w (//?)

0x0040

Write

dynax_coincounter_0_w (// Coin Counters)

0x0041

Write

dynax_coincounter_1_w (//)

0x0060

Write

dynax_extra_scrollx_w (// screen scroll X)

0x0062

Write

dynax_extra_scrolly_w (// screen scroll Y)

0x006A

Write

hnoridur_rombank_w (// BANK ROM Select)

0x0080

Write

hanamai_keyboard_w (// keyboard row select)

0x0081

Read Port

COINS (// Coins)

0x0001	Gamble Payout	Active Low
0x0002	Unknown	Active Low
0x0004	Service	Active Low
0x0008	Service 2	Active Low
0x0010	Memory Reset	Active Low
0x0020	Coin 2	Active Low
0x0040	Coin 1	Active Low
0x0080	Service 1	Active Low

0x0082

Read

mjelctrn_keyboard_1_r (// P2)

0x0083

Read

hanamai_keyboard_0_r (// P1)

0x0084

Read

mjelctrn_dsw_r (// DSW8 x 4)

0x0085

Read Port

SW1 (// DSW2)

0x00A1-0x00A7

Write

dynax_blitter_rev2_w (// Blitter)

0x00C0

Write

dynax_flipscreen_w (// Flip Screen)

0x00C1

Write

hanamai_layer_half_w (// half of the interleaved layer to write to)

0x00C2

Write

hnoridur_layer_half2_w (//)

0x00E0

Write

dynax_blit_pen_w (// Destination Pen)

0x00E1

Write

dynax_blit_dest_w (// Destination Layer)

0x00E2

Write

dynax_blit_palette01_w (// Layers Palettes)

0x00E3

Write

dynax_blit_palette23_w (//)

0x00E4

Write

hanamai_priority_w (// layer priority and enable)

0x00E5

Write

dynax_blit_backpen_w (// Background Color)

0x00E6

Write

yarunara_blit_romregion_w (// Blitter ROM bank)

0x00E7

Write

hnoridur_palbank_w

Memory Area:nanajign_mem_map

Address Range	Length	Function	Description
0x0000-0x5FFF	24576	ROM
0x6000-0x6FFF	4096	RAM
0x7000-0x7FFF	4096	RAM, Shared	nvram
0x8000-0x80FF	256	Write	nanajign_palette_w
0x8000-0xFFFF	32768	ROM Bank	bank1

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:gfx1

Address Range	Length	Label/Location	Description
0x0000-0x1FFFF	131072	4011.11a	CRC(63551c37) (Fluke: F4E6)
0x20000-0x3FFFF	131072	4012.13a	CRC(51a431d5) (Fluke: A0E3)
0x40000-0x5FFFF	131072	4013.14a	CRC(cdbb24f8) (Fluke: 8791)
0x60000-0x7FFFF	131072	4014.15a	CRC(f2677938) (Fluke: CC48)

Memory Area:gfx3

Address Range	Length	Label/Location	Description
0x0000-0x1FFFF	131072	4003.1b	CRC(26348ae4) (Fluke: ADC0)
0x20000-0x3FFFF	131072	4004.2b	CRC(5b5ea036) (Fluke: B102)
0x40000-0x5FFFF	131072	4005.3b	CRC(7fdfb600) (Fluke: D22C)
0x60000-0x7FFFF	131072	4006.4b	CRC(67fa83ea) (Fluke: F2B3)
0x80000-0x9FFFF	131072	4010.4a	CRC(f1d4399d) (Fluke: E4E4)
0xA0000-0xBFFFF	131072	4009.3a	CRC(0a92af7c) (Fluke: 8CF1)
0xC0000-0xDFFFF	131072	4008.2a	CRC(86f27f1c) (Fluke: 274C)
0xE0000-0xFFFFF	131072	4007.1a	CRC(8082d0ac) (Fluke: 4352)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x1FFFF	131072	4001.1a	CRC(82fc6dd5) (Fluke: A48D)
0x30000-0x3FFFF	65536	4002.3a	CRC(b5fec88f) (Fluke: 2E19)