American Music Poker 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.

American Music Poker (Amusco, 1987)

Memory Area:amusco_io_map

Address Range

Length

Function

Description

0x0000-0x0001

Read/Write

mc6845_r, mc6845_w

0x0010-0x0011

Device Write

pic8259, pic8259_device, write

0x0020-0x0023

Device Write

pit8253, pit8253_device, write

0x0030-0x0033

Device Read/Write

ppi_outputs, i8255_device, read, write

0x0040-0x0043

Device Read/Write

ppi_inputs, i8255_device, read, write

0x0001	Play Credit	Active Low
0x0002	Start 1	Active Low
0x0004	Gamble Payout	Active Low
0x0008	Gamble Book	Active Low
0x0010	Draw	Active Low
0x0020	Gamble Stand	Active Low
0x0040	Poker Hold 1	Active Low
0x0080	Poker Hold 2	Active Low

0x0060

Device Write

sn, sn76489a_device, write

0x0070-0x0071

Write

vram_w

0x0280-0x0283

Device Read/Write

lpt_interface, i8155_device, io_r, io_w

0x0380-0x0383

Device Read/Write

rtc_interface, i8155_device, io_r, io_w

Memory Area:amusco_mem_map

Address Range	Length	Function	Description
0x0000-0xFFFF	65536	RAM
0xEC000-0xECFFF	4096	RAM, Shared	videoram (// placeholder)
0xF8000-0xFFFFF	32768	ROM

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
0x0000-0x3FFF	16384	char_a_u35.u35	CRC(ded67ef6)
0x4000-0x7FFF	16384	char_b_u36.u36	CRC(55523513)
0x8000-0xBFFF	16384	char_c_u37.u37	CRC(d26f3b94)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0xF8000-0xFFFFF	32768	pk_v1.4_u42.u42	CRC(bf57d7b1)

Memory Area:plds

Address Range	Length	Label/Location	Description
0x0000-0x0103	260	pal16l8a.u47	CRC(554b4286)
0x0200-0x0303	260	pal16l8a.u48	CRC(d8d1fb4b)
0x0400-0x0503	260	pal16r4a.u49	CRC(97813a68)
0x0600-0x0703	260	pal16l8a.u50	CRC(f5d80001)