Tetris / Bloxeed 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.

Tetris / Bloxeed (bootleg (ISG), 2006)

Memory Area:isgsm_map

Address Range	Length	Function	Description
0x0000-0xFFFFF	1048576	ROM Bank, Region	ISGSM_MAIN_BANK, bios, 0 (// this area is ALWAYS read-only, even when the game is banked in)
0x200000-0x23FFFF	262144	RAM	(// used during startup for decompression)
0x3F0000-0x3FFFFF	65536	Write	rom_5704_bank_w
0x400000-0x40FFFF	65536	Device Read/Write, Shared	segaic16vid, segaic16_video_device, tileram_r, tileram_w, tileram
0x410000-0x410FFF	4096	Device Read/Write, Shared	segaic16vid, segaic16_video_device, textram_r, textram_w, textram
0x440000-0x4407FF	2048	RAM, Shared	sprites
0x840000-0x840FFF	4096	RAM Write, Shared	paletteram_w, paletteram
0xC40000-0xC43FFF	16384	Read/Write	standard_io_r, standard_io_w
0xE00000-0xE00001	2	Write	data_w (// writes decompressed data here (copied from RAM..))
0xE00002-0xE00003	2	Write	datatype_w (// selects which 'type' of data we're writing)
0xE00004-0xE00005	2	Write	addr_high_w (// high address, and some mode bits)
0xE00006-0xE00007	2	Write	addr_low_w (// low address)
0xE80000-0xE80001	2	Read	cart_data_r (// 8-bit port that the entire cart can be read from)
0xE80002-0xE80003	2	Read Port	CARDDSW
0xE80004-0xE80005	2	Write	cart_addr_high_w
0xE80006-0xE80007	2	Write	cart_addr_low_w
0xE80008-0xE80009	2	Read/Write	cart_security_high_r, cart_security_high_w (// 32-bit bitswap device..)
0xE8000A-0xE8000B	2	Read/Write	cart_security_low_r, cart_security_low_w
0xEE0000-0xEFFFFF	131072	ROM, Region	gamecart_rgn, 0 (// only the first 0x20000 bytes of the cart are visible here..)
0xFE0006-0xFE0007	2	Write	sound_w16
0xFE0008-0xFE0009	2	Write	sound_reset_w
0xFE000A-0xFE000B	2	Write	main_bank_change_w
0xFFC000-0xFFFFFF	16384	RAM, Shared	workram

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.

Sorry, We do not have ROM Memory Map information for this game.