Joker Master 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.

Joker Master (, 0)

Memory Area:cm_map

Address Range	Length	Function	Description
0x0000-0xCFFF	53248	ROM, Write NOP
0xD000-0xD7FF	2048	RAM, Shared	nvram
0xD800-0xDFFF	2048	RAM
0xE000-0xE7FF	2048	RAM Write, Shared	goldstar_fg_vidram_w, fg_vidram
0xE800-0xEFFF	2048	RAM Write, Shared	goldstar_fg_atrram_w, fg_atrram
0xF000-0xF1FF	512	RAM Write, Shared	goldstar_reel1_ram_w, reel1_ram
0xF200-0xF3FF	512	RAM Write, Shared	goldstar_reel2_ram_w, reel2_ram
0xF400-0xF5FF	512	RAM Write, Shared	goldstar_reel3_ram_w, reel3_ram
0xF600-0xF7FF	512	RAM
0xF800-0xF87F	128	RAM, Shared	reel1_scroll
0xF880-0xF9FF	384	RAM
0xFA00-0xFA7F	128	RAM, Shared	reel2_scroll
0xFA80-0xFBFF	384	RAM
0xFC00-0xFC7F	128	RAM, Shared	reel3_scroll
0xFC80-0xFFFF	896	RAM

Memory Area:pkrmast_portmap

Address Range	Length	Function	Description
0x0004	1	Device Read	aysnd, ay8910_device, data_r
0x0008	1	Device Write	aysnd, ay8910_device, data_w
0x000C	1	Device Write	aysnd, ay8910_device, address_w
0x0010	1	Read Port	IN0
0x0011	1	Read Port	IN1
0x0012	1	Read Port	IN2
0x0020	1	Read Port	DSW3-0
0x0021	1	Read Port	DSW3-1
0x0022	1	Write	p1_lamps_w
0x0024	1	Write	cm_coincount_w
0x0025	1	Read Port	DSW1
0x0026	1	Read Port	DSW2
0x00F0	1	Write NOP	(/* Writing 0's and 1's constantly. Watchdog feeder? */)

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	2000a.u41	CRC(cb8b1563)

Memory Area:gfx2

Address Range	Length	Label/Location	Description
0x0000-0x1FFFF	131072	2000b.u48	CRC(e7b406ec)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0xFFFF	65536	pid-515.u5	CRC(73caf824)

Memory Area:user1

Address Range	Length	Label/Location	Description
0x0000-0x00FF	256	n82s129.u28	CRC(cfb152cf)
0x0100-0x02FF	512	n82s147a.u13	CRC(da92f0ae)