Alcon 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.

Alcon (Toaplan / Taito America Corp., 1986)

Memory Area:slapfigh_io_map

Address Range	Length	Function	Description
0x0000	1	Read	tigerh_mcu_status_r
0x0000-0x0001	2	Write	sound_reset_w
0x0002-0x0003	2	Write	flipscreen_w
0x0006-0x0007	2	Write	irq_enable_w
0x0008-0x0009	2	Write	prg_bank_w

Memory Area:slapfigh_map

Address Range	Length	Function	Description
0x0000-0x7FFF	32768	ROM
0x8000-0xBFFF	16384	ROM Bank	bank1
0xC000-0xC7FF	2048	RAM
0xC800-0xCFFF	2048	RAM, Shared	share1
0xD000-0xD7FF	2048	RAM Write, Shared	videoram_w, videoram
0xD800-0xDFFF	2048	RAM Write, Shared	colorram_w, colorram
0xE000-0xE7FF	2048	RAM, Shared	spriteram
0xE800	1	Write	scrollx_lo_w
0xE801	1	Write	scrollx_hi_w
0xE802	1	Write	scrolly_w
0xE803	1	Read/Write	tigerh_mcu_r, tigerh_mcu_w
0xF000-0xF7FF	2048	RAM Write, Shared	fixram_w, fixvideoram
0xF800-0xFFFF	2048	RAM Write, Shared	fixcol_w, fixcolorram

Memory Area:slapfight_m68705_map

Address Range	Length	Function	Description
0x0000	1	Read/Write	slapfight_68705_portA_r, slapfight_68705_portA_w
0x0001	1	Read/Write	slapfight_68705_portB_r, slapfight_68705_portB_w
0x0002	1	Read/Write	slapfight_68705_portC_r, slapfight_68705_portC_w
0x0004	1	Write	slapfight_68705_ddrA_w
0x0005	1	Write	slapfight_68705_ddrB_w
0x0006	1	Write	slapfight_68705_ddrC_w
0x0010-0x007F	112	RAM
0x0080-0x07FF	1920	ROM

Memory Area:tigerh_sound_map

Address Range	Length	Function	Description
0x0000-0x1FFF	8192	ROM
0xA080	1	Device Write	ay1, ay8910_device, address_w
0xA081	1	Device Read	ay1, ay8910_device, data_r
0xA082	1	Device Write	ay1, ay8910_device, data_w
0xA090	1	Device Write	ay2, ay8910_device, address_w
0xA091	1	Device Read	ay2, ay8910_device, data_r
0xA092	1	Device Write	ay2, ay8910_device, data_w
0xA0E0	1	Mask, Write	0x0010, sound_nmi_enable_w
0xC800-0xCFFF	2048	RAM, Shared	share1
0xD000-0xFFFF	12288	RAM

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
0x0000-0x1FFF	8192	a77_02.12d	CRC(87f4705a) (Fluke: 8695)

Memory Area:gfx1

Address Range	Length	Label/Location	Description
0x0000-0x1FFF	8192	a77_04-1.6f	CRC(31003483),Chars (Fluke: 4601)
0x2000-0x3FFF	8192	a77_03-1.6g	CRC(404152c0) (Fluke: C882)

Memory Area:gfx2

Address Range	Length	Label/Location	Description
0x0000-0x7FFF	32768	a77_08.6k	CRC(b6358305),Tiles (Fluke: 810F)
0x8000-0xFFFF	32768	a77_07.6m	CRC(e92d9d60) (Fluke: 2784)
0x10000-0x17FFF	32768	a77_06.6n	CRC(5faeeea3) (Fluke: 5672)
0x18000-0x1FFFF	32768	a77_05.6p	CRC(974e2ea9) (Fluke: F573)

Memory Area:gfx3

Address Range	Length	Label/Location	Description
0x0000-0x7FFF	32768	a77_12.8j	CRC(8545d397),Sprites (Fluke: ED35)
0x8000-0xFFFF	32768	a77_11.7j	CRC(b1b7b925) (Fluke: 0F52)
0x10000-0x17FFF	32768	a77_10.8h	CRC(422d946b) (Fluke: 7473)
0x18000-0x1FFFF	32768	a77_09.7h	CRC(587113ae) (Fluke: C676)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x7FFF	32768	a77_00-1.8p	CRC(2ba82d60) (Fluke: 3846)
0x10000-0x17FFF	32768	a77_01-1.8n	CRC(18bb2f12),banked at 8000 (Fluke: BC51)

Memory Area:mcu

Address Range	Length	Label/Location	Description
0x0000-0x07FF	2048	a77_13.6a	CRC(a70c81d9)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x00FF	256	21_82s129.12q	CRC(a0efaf99),Silkscreened as ROM21 (Fluke: C5BB)
0x0100-0x01FF	256	20_82s129.12m	CRC(a56d57e5),Silkscreened as ROM20 (Fluke: C829)
0x0200-0x02FF	256	19_82s129.12n	CRC(5cbf9fbf),Silkscreened as ROM19 (Fluke: CB2A)