Taiwan Mahjong [BET] 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.

Taiwan Mahjong [BET] (Miki Syouji, 1988)

Memory Area:gionbana_io_map

Address Range	Length	Function	Description
0x0000-0x007F	128	Device Read	nb1413m3, nb1413m3_device, sndrom_r
0x0000	1	Device Write	nb1413m3, nb1413m3_device, nmi_clock_w
0x0020-0x0027	8	Write	blitter_w
0x0040	1	Write	clutsel_w
0x0060	1	Write	romsel_w
0x0070	1	Write	scrolly_w
0x0080-0x0081	2	Device Write	fmsnd, ym3812_device, write
0x0090	1	Device Read	nb1413m3, nb1413m3_device, inputport0_r
0x00A0	1	Device Read/Write	nb1413m3, nb1413m3_device, inputport1_r, inputportsel_w
0x00B0	1	Device Read/Write	nb1413m3, nb1413m3_device, inputport2_r, sndrombank1_w
0x00C0	1	Device Read	nb1413m3, nb1413m3_device, inputport3_r (//AM_WRITENOP)
0x00D0	1	Device Write	dac, dac_byte_interface, write
0x00E0	1	Write	vramsel_w
0x00F0	1	Device Read/Write	nb1413m3, nb1413m3_device, dipsw1_r, outcoin_w
0x00F1	1	Device Read	nb1413m3, nb1413m3_device, dipsw2_r

Memory Area:gionbana_map

Address Range	Length	Function	Description
0x0000-0xEFFF	61440	ROM
0xF000-0xF00F	16	Read/Write	clut_r, clut_w
0xF400-0xF5FF	512	Read/Write	palette_type1_r, palette_type1_w
0xF800-0xFFFF	2048	RAM, Shared	nvram

Memory Area:taiwanmb_io_map

Address Range	Length	Function	Description
0x0000-0x007F	128	Device Read	nb1413m3, nb1413m3_device, sndrom_r
0x0081	1	Device Read	fmsnd, ay8910_device, data_r
0x0082-0x0083	2	Device Write	fmsnd, ay8910_device, data_address_w
0x0090	1	Device Read	nb1413m3, nb1413m3_device, inputport0_r (//AM_WRITENOP // ?)
0x00A0	1	Device Read/Write	nb1413m3, nb1413m3_device, inputport1_r, inputportsel_w
0x00B0	1	Device Read/Write	nb1413m3, nb1413m3_device, inputport2_r, sndrombank1_w
0x00D0	1	Device Write	dac, dac_byte_interface, write
0x00E0	1	Device Read, Write	nb1413m3, nb1413m3_device, dipsw3_h_r, taiwanmb_gfxdraw_w (// blitter draw start)
0x00E1	1	Device Read	nb1413m3, nb1413m3_device, dipsw3_l_r
0x00F0	1	Device Read/Write	nb1413m3, nb1413m3_device, dipsw2_r, outcoin_w
0x00F1	1	Device Read	nb1413m3, nb1413m3_device, dipsw1_r

Memory Area:taiwanmb_map

Address Range	Length	Function	Description
0x0000-0x7FFF	32768	ROM
0xEC00-0xEDFF	512	Read/Write	palette_type3_r, palette_type3_w
0xF800-0xFEFF	1792	RAM, Shared	nvram
0xFF00-0xFF1F	32	Read/Write NOP	(// ?)
0xFF20	1	Write	taiwanmb_mcu_w (// MCU PARAMETER?)
0xFF20	1	Read	taiwanmb_unk_r (// MCU or 1413M3 STATUS? (return != 0x00 then loop))
0xFF21	1	Write NOP	(// blitter parameter set end (write 0x01 only))
0xFF21-0xFF2F	15	Read NOP	(// ?)
0xFF22-0xFF27	6	Write	taiwanmb_blitter_w (// blitter parameter)
0xFF28	1	Write	romsel_w (// gfx rombank select)
0xFF29	1	Write	taiwanmb_gfxflag_w (// screen flip flag?)
0xFF2A	1	Write NOP	(// not used?)
0xFF2B	1	Write	clutsel_w (// color look up table select)
0xFF2C	1	Write NOP	(// blitter parameter set start (write 0xff only))
0xFF2D	1	Write NOP	(// not used?)
0xFF2E	1	Write NOP	(// not used?)
0xFF2F	1	Write NOP	(// not used?)
0xFF30-0xFFFF	208	RAM	(// RAM?)

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
0x0000-0xFFFF	65536	4.10a	CRC(6ccaab80) (Fluke: A391)
0x10000-0x1FFFF	65536	5.10c	CRC(ef29a87e) (Fluke: BD4C)
0x20000-0x2FFFF	65536	6.10d	CRC(539c2443) (Fluke: C7BF)
0x30000-0x3FFFF	65536	7.10e	CRC(247b90b1) (Fluke: EF51)
0x40000-0x4FFFF	65536	8.10h	CRC(416af9b7) (Fluke: 0BAF)
0x50000-0x5FFFF	65536	9.10j	CRC(33a1c8a4) (Fluke: 3B05)
0x60000-0x6FFFF	65536	10.10k	CRC(375b568b) (Fluke: 36D1)
0x70000-0x7FFFF	65536	11.10m	CRC(bf3256b7) (Fluke: B462)
0x80000-0x8FFFF	65536	12.10n	CRC(ec59b720) (Fluke: 8B87)
0x90000-0x9FFFF	65536	13.10p	CRC(6542e7da) (Fluke: B252)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0xFFFF	65536	1.3d	CRC(2165310e) (Fluke: D9C8)

Memory Area:protection

Address Range	Length	Label/Location	Description
0x0000-0x07FF	2048	clut_ram.8f	CRC(bd80fa09) (Fluke: 38FD)

Memory Area:voice

Address Range	Length	Label/Location	Description
0x0000-0x1FFFF	131072	3.7n	CRC(1890902f) (Fluke: 15DE)