Ojanko Yakata 2bankan 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.

Ojanko Yakata 2bankan (V-System Co., 1987)

Memory Area:ojankoy_io_map

Address Range	Length	Function	Description
0x0000	1	Read Port, Write	IN0, ojankohs_portselect_w
0x0001	1	Read/Write	ojankohs_keymatrix_r, ojankoy_rombank_w
0x0002	1	Read Port, Write	IN1, ojankoy_coinctr_w
0x0004	1	Write	ojankohs_flipscreen_w
0x0005	1	Write	ojankohs_msm5205_w
0x0006-0x0007	2	Device Write	aysnd, ay8910_device, data_address_w
0x0006	1	Device Read	aysnd, ay8910_device, data_r

Memory Area:ojankoy_map

Address Range	Length	Function	Description
0x0000-0x7FFF	32768	ROM
0x8000-0x9FFF	8192	RAM Write, Shared	ojankohs_videoram_w, videoram
0xA000-0xAFFF	4096	RAM Write, Shared	ojankohs_colorram_w, colorram
0xB000-0xBFFF	4096	RAM, Shared	nvram
0xC000-0xFFFF	16384	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	ic55.bin	CRC(b058fb3d) (Fluke: 565F)
0x40000-0x47FFF	32768	0-ic53.bin	CRC(db38c288) (Fluke: 0DE6)
0x48000-0x4FFFF	32768	1-ic52.bin	CRC(49f2ca73) (Fluke: D498)
0x50000-0x57FFF	32768	2-ic51.bin	CRC(199a9bfb) (Fluke: EB76)
0x58000-0x5FFFF	32768	3-ic50.bin	CRC(f175510e) (Fluke: D0FA)
0x60000-0x67FFF	32768	4-ic49.bin	CRC(3a6a9685) (Fluke: 3E87)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x7FFF	32768	p-ic17.bin	CRC(4b33bd54) (Fluke: B72F)
0x10000-0x2FFFF	131072	ic30.bin	CRC(37be3f7c) (Fluke: D3DD)
0x30000-0x4FFFF	131072	ic29.bin	CRC(dab7c4d8) (Fluke: 47AC)
0x50000-0x57FFF	32768	a-ic34.bin	CRC(93c20ea3) (Fluke: 7E77)
0x58000-0x5FFFF	32768	b-ic33.bin	CRC(ef86d711) (Fluke: 463A)
0x60000-0x67FFF	32768	c-ic32.bin	CRC(5453b9de) (Fluke: 27A9)
0x68000-0x6FFFF	32768	d-ic31.bin	CRC(44cd5348) (Fluke: B031)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x03FF	1024	0-ic65.bin	CRC(86e19b01) (Fluke: 5795)
0x0400-0x07FF	1024	1-ic64.bin	CRC(e2f7093d) (Fluke: 5D49)