Koi Koi Part 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.

Koi Koi Part 2 (Kiwako, 1982)

Memory Area:koikoi_io_map

Address Range	Length	Function	Description
0x0002	1	Write NOP	(//watchdog)
0x0003	1	Device Read	aysnd, ay8910_device, data_r
0x0006-0x0007	2	Device Write	aysnd, ay8910_device, data_address_w

Memory Area:koikoi_map

Address Range

Length

Function

Description

0x0000-0x2FFF

12288

ROM

0x6000-0x67FF

2048

RAM

0x7000-0x77FF

2048

RAM Write, Shared

vram_w, videoram

0x8000

Read Port

DSW

0x0000	50	Active High
0x0001	70	Active High
0x0002	90	Active High
0x0003	110	Active High
0x0000	120	Active High
0x0004	150	Active High
0x0008	180	Active High
0x000c	210	Active High
0x0000	1C_1C	Active High
0x0010	1C_2C	Active High
0x0000	Off	Active High
0x0020	On	Active High
0x0000	Off	Active High
0x0040	On	Active High
0x0000	Off	Active High
0x0080	On	Active High

0x9000-0x9007

Read/Write

io_r, io_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:gfx1

Address Range	Length	Label/Location	Description
0x0000-0x0FFF	4096	ic33	CRC(9e4d563b) (Fluke: F91B)
0x1000-0x1FFF	4096	ic26	CRC(79cb1e93) (Fluke: A82E)
0x2000-0x2FFF	4096	ic18	CRC(c209362d) (Fluke: 4E75)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x0FFF	4096	ic56	CRC(bdc68f9d) (Fluke: D6A5)
0x1000-0x1FFF	4096	ic55	CRC(fe09248a) (Fluke: C8A2)
0x2000-0x2FFF	4096	ic54	CRC(925fc57c) (Fluke: ECF3)

Memory Area:plds

Address Range	Length	Label/Location	Description
0x0000-0x0103	260	pal16r8-10_pink.ic9	CRC(9f8fdb95) (Fluke: 2CA2)
0x0200-0x0303	260	pal16r8-10_green.ic15	CRC(da7b8b95) (Fluke: 5B0D)
0x0400-0x0503	260	pal16r8a_yellow.ic8	CRC(7d8da540) (Fluke: C359)
0x0600-0x0703	260	pal16r8a_brown.ic11	CRC(fff46363) (Fluke: 0754)
0x0800-0x0903	260	pal16r8a_red.ic10	CRC(027ad661) (Fluke: 84BD)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x001F	32	prom.x
0x0020-0x011F	256	prom.ic23	CRC(f1d169a6) (Fluke: AB42)