TouchDown Fever 2 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.

TouchDown Fever 2 (SNK, 1988)

Memory Area:tdfever_cpuA_map

Address Range	Length	Function	Description
0x0000-0xBFFF	49152	ROM
0xC000	1	Read Port	IN0
0xC080	1	Read Port	IN1
0xC100	1	Read Port	IN2
0xC180	1	Read Port	IN3
0xC200	1	Read Port	IN4
0xC280	1	Read Port	IN5
0xC300	1	Read Port	IN6
0xC380	1	Read Port	IN7
0xC400	1	Read Port	IN8
0xC480	1	Read Port	IN9
0xC500	1	Write	snk_soundlatch_w
0xC580	1	Read Port	DSW1
0xC600	1	Read Port	DSW2
0xC680	1	Write	tdfever_coin_counter_w
0xC700	1	Read/Write	snk_cpuB_nmi_trigger_r, snk_cpuA_nmi_ack_w
0xC800	1	Write	snk_bg_scrolly_w
0xC840	1	Write	snk_bg_scrollx_w
0xC880	1	Write	gwara_videoattrs_w (// flip screen, scroll msb)
0xC8C0	1	Write	gwar_tx_bank_w (// char and palette bank)
0xC900	1	Write	tdfever_sp_scroll_msb_w
0xC980	1	Write	snk_sp32_scrolly_w
0xC9C0	1	Write	snk_sp32_scrollx_w
0xD000-0xD7FF	2048	RAM Write, Shared	snk_bg_videoram_w, bg_videoram
0xD800-0xDFFF	2048	RAM, Shared	share2
0xE000-0xF7FF	6144	RAM Write, Shared	tdfever_spriteram_w, spriteram (// + work ram)
0xF800-0xFFFF	2048	RAM Write, Shared	snk_tx_videoram_w, tx_videoram (// + work RAM)

Memory Area:tdfever_cpuB_map

Address Range	Length	Function	Description
0x0000-0xBFFF	49152	ROM
0xC000	1	Read/Write	snk_cpuA_nmi_trigger_r, snk_cpuB_nmi_ack_w (// tdfever, tdfever2)
0xC700	1	Read/Write	snk_cpuA_nmi_trigger_r, snk_cpuB_nmi_ack_w (// fsoccer)
0xC8C0	1	Write	gwar_tx_bank_w (// char and palette bank)
0xD000-0xD7FF	2048	RAM Write, Shared	snk_bg_videoram_w, bg_videoram
0xD800-0xDFFF	2048	RAM, Shared	share2
0xE000-0xF7FF	6144	RAM Write, Shared	tdfever_spriteram_w, spriteram
0xF800-0xFFFF	2048	RAM Write, Shared	snk_tx_videoram_w, tx_videoram

Memory Area:Y8950_sound_map

Address Range	Length	Function	Description
0x0000-0xBFFF	49152	ROM
0xC000-0xCFFF	4096	RAM
0xE000	1	Device Read	soundlatch, generic_latch_8_device, read
0xF000	1	Device Read/Write	ym2, y8950_device, status_port_r, control_port_w
0xF400	1	Device Write	ym2, y8950_device, write_port_w
0xF800	1	Read/Write	snk_sound_status_r, snk_sound_status_w

Memory Area:YM3526_Y8950_sound_map

Address Range	Length	Function	Description
0x0000-0xBFFF	49152	ROM
0xC000-0xCFFF	4096	RAM
0xE000	1	Device Read	soundlatch, generic_latch_8_device, read
0xE800	1	Device Read/Write	ym1, ym3526_device, status_port_r, control_port_w
0xEC00	1	Device Write	ym1, ym3526_device, write_port_w
0xF000	1	Device Read/Write	ym2, y8950_device, status_port_r, control_port_w
0xF400	1	Device Write	ym2, y8950_device, write_port_w
0xF800	1	Read/Write	snk_sound_status_r, snk_sound_status_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:audiocpu

Address Range	Length	Label/Location	Description
0x0000-0xFFFF	65536	td03.2j	CRC(4092f16c) (Fluke: F18A)

Memory Area:bg_tiles

Address Range	Length	Label/Location	Description
0x0000-0xFFFF	65536	td15.8d	CRC(ad6e0927) (Fluke: BE0C)
0x10000-0x1FFFF	65536	td16.8e	CRC(181db036) (Fluke: C924)
0x20000-0x2FFFF	65536	td17.8f	CRC(c5decca3) (Fluke: 26F0)
0x30000-0x3FFFF	65536	td18.8g	CRC(1a5a2200) (Fluke: 2503)
0x40000-0x4FFFF	65536	td19-2.8j	CRC(f1081329) (Fluke: A0F3)
0x50000-0x5FFFF	65536	td20.8k	CRC(86cbb2e6) (Fluke: DB17)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0xFFFF	65536	td02.6c	CRC(9e3eaed8) (Fluke: 91F4)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x03FF	1024	up03-2.8e	CRC(1593c302),red (Fluke: DA2A)
0x0400-0x07FF	1024	up03-2.8d	CRC(ac9df947),green (Fluke: 1247)
0x0800-0x0BFF	1024	up03-2.9e	CRC(73cdf192),blue (Fluke: A9E2)

Memory Area:sp32_tiles

Address Range	Length	Label/Location	Description
0x0000-0xFFFF	65536	td14.2t	CRC(88e2e819) (Fluke: EB9F)
0x10000-0x1FFFF	65536	td13.2s	CRC(c9bb9138) (Fluke: F15D)
0x20000-0x2FFFF	65536	td12.2r	CRC(a0d53fbd) (Fluke: DB01)
0x30000-0x3FFFF	65536	td11.2p	CRC(d43abc81) (Fluke: F790)
0x40000-0x4FFFF	65536	td10.2n	CRC(a8979657) (Fluke: 27E4)
0x50000-0x5FFFF	65536	td09.2l	CRC(c93b6cd3) (Fluke: 3BD2)
0x60000-0x6FFFF	65536	td08.2k	CRC(72a5590d) (Fluke: 8BF0)
0x70000-0x7FFFF	65536	td07.2j	CRC(4845e78b) (Fluke: 451B)

Memory Area:sub

Address Range	Length	Label/Location	Description
0x0000-0xFFFF	65536	td01.1c	CRC(0ec294c0) (Fluke: E644)

Memory Area:tx_tiles

Address Range	Length	Label/Location	Description
0x0000-0x7FFF	32768	td06.3n	CRC(d6521b0d) (Fluke: 236E)

Memory Area:ym2

Address Range	Length	Label/Location	Description
0x0000-0xFFFF	65536	td05.7p	CRC(e332e41f) (Fluke: AB99)
0x10000-0x1FFFF	65536	td04.7n	CRC(98af6d2d) (Fluke: FFDA)
0x20000-0x2FFFF	65536	td22.7l	CRC(34b4bce9) (Fluke: 56E9)
0x30000-0x3FFFF	65536	td21.7k	CRC(f5a96d8e) (Fluke: BF30)