Two Crude 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.

Two Crude (Data East USA, 1990)

Memory Area:sound_map

Address Range	Length	Function	Description
0x0000-0xFFFF	65536	ROM
0x100000-0x100001	2	Device Read/Write	ym1, ym2203_device, read, write
0x110000-0x110001	2	Device Read/Write	ym2, ym2151_device, read, write
0x120000-0x120001	2	Device Read/Write	oki1, okim6295_device, read, write
0x130000-0x130001	2	Device Read/Write	oki2, okim6295_device, read, write
0x140000-0x140001	2	Device Read	soundlatch, generic_latch_8_device, read
0x1F0000-0x1F1FFF	8192	RAM Bank	bank8
0x1FEC00-0x1FEC01	2	Device Write	audiocpu, h6280_device, timer_w
0x1FF400-0x1FF403	4	Device Write	audiocpu, h6280_device, irq_status_w

Memory Area:twocrude_map

Address Range	Length	Function	Description
0x0000-0x7FFFF	524288	ROM
0x80000-0x83FFF	16384	RAM, Shared	ram
0xA0000-0xA1FFF	8192	Device Read/Write	tilegen1, deco16ic_device, pf1_data_r, pf1_data_w
0xA2000-0xA2FFF	4096	Device Read/Write	tilegen1, deco16ic_device, pf2_data_r, pf2_data_w
0xA4000-0xA47FF	2048	RAM, Shared	pf1_rowscroll
0xA6000-0xA67FF	2048	RAM, Shared	pf2_rowscroll
0xA8000-0xA8FFF	4096	Device Read/Write	tilegen2, deco16ic_device, pf1_data_r, pf1_data_w
0xAA000-0xAAFFF	4096	Device Read/Write	tilegen2, deco16ic_device, pf2_data_r, pf2_data_w
0xAC000-0xAC7FF	2048	RAM, Shared	pf3_rowscroll
0xAE000-0xAE7FF	2048	RAM, Shared	pf4_rowscroll
0xB0000-0xB07FF	2048	RAM, Shared	spriteram16
0xB4000-0xB4001	2	Write NOP
0xB5000-0xB500F	16	Device Write	tilegen1, deco16ic_device, pf_control_w
0xB6000-0xB600F	16	Device Write	tilegen2, deco16ic_device, pf_control_w
0xB8000-0xB8FFF	4096	RAM Device Write, Shared	palette, palette_device, write, palette
0xB9000-0xB9FFF	4096	RAM Device Write, Shared	palette, palette_device, write_ext, palette_ext
0xBC000-0xBC00F	16	Read/Write	twocrude_control_r, twocrude_control_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	ft11-.19h	CRC(65f20f10) (Fluke: F1DC)
0x0000-0xFFFF	65536	ft11-.19h	CRC(65f20f10) (Fluke: F1DC)

Memory Area:gfx1

Address Range	Length	Label/Location	Description
0x0000-0x7FFFF	524288	mab-00.4c	CRC(660eaabd),Tiles (Fluke: 508C)
0x0000-0x7FFFF	524288	mab-00.4c	CRC(660eaabd),Tiles (Fluke: 508C)

Memory Area:gfx2

Address Range	Length	Label/Location	Description
0x0000-0x7FFFF	524288	mab-01.19a	CRC(1080d619),Tiles (Fluke: 2D97)
0x0000-0x7FFFF	524288	mab-01.19a	CRC(1080d619),Tiles (Fluke: 2D97)

Memory Area:gfx3

Address Range	Length	Label/Location	Description
0x0000-0x7FFFF	524288	mab-02.10a	CRC(58b7231d),Sprites (Fluke: 338D)
0x0000-0x7FFFF	524288	mab-02.10a	CRC(58b7231d),Sprites (Fluke: 338D)
0xA0000-0x11FFFF	524288	mab-03.11a	CRC(76053b9d) (Fluke: 884A)
0xA0000-0x11FFFF	524288	mab-03.11a	CRC(76053b9d) (Fluke: 884A)
0x140000-0x14FFFF	65536	ft07-.4a	CRC(e3465c25),Extra sprites (Fluke: 9281)
0x140000-0x14FFFF	65536	ft07-.4a	CRC(e3465c25),Extra sprites (Fluke: 9281)
0x150000-0x15FFFF	65536	ft08-.5a	CRC(c7f1d565) (Fluke: EC7B)
0x150000-0x15FFFF	65536	ft08-.5a	CRC(c7f1d565) (Fluke: EC7B)
0x160000-0x16FFFF	65536	ft09-.7a	CRC(6e3657b9) (Fluke: E1FE)
0x160000-0x16FFFF	65536	ft09-.7a	CRC(6e3657b9) (Fluke: E1FE)
0x170000-0x17FFFF	65536	ft10-.8a	CRC(cdb83560) (Fluke: 5A36)
0x170000-0x17FFFF	65536	ft10-.8a	CRC(cdb83560) (Fluke: 5A36)

Memory Area:oki1

Address Range	Length	Label/Location	Description
0x0000-0x1FFFF	131072	ft12-.16k	CRC(2d1d65f2) (Fluke: D4D9)
0x0000-0x1FFFF	131072	ft12-.16k	CRC(2d1d65f2) (Fluke: D4D9)

Memory Area:oki2

Address Range	Length	Label/Location	Description
0x0000-0x1FFFF	131072	ft13-.21e	CRC(b8525622) (Fluke: 2D12)
0x0000-0x1FFFF	131072	ft13-.21e	CRC(b8525622) (Fluke: 2D12)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x00FF	256	mb7114h.18e	CRC(3645b70f),Priority (not used) (Fluke: A8DD)
0x0000-0x00FF	256	mb7114h.18e	CRC(3645b70f),Priority (not used) (Fluke: A8DD)