Botanic 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.

Botanic (Itisa, 1983)

Memory Area:main_portmap

Address Range	Length	Function	Description
0x0008-0x0009	2	Device Write	aysnd, ay8910_device, address_data_w
0x000C	1	Device Read	aysnd, ay8910_device, data_r

Memory Area:pickin_map

Address Range	Length	Function	Description
0x0000-0x5FFF	24576	ROM
0x7000-0x77FF	2048	RAM
0x8800-0x8BFF	1024	RAM Write, Shared	videoram_w, videoram
0x9800-0x981F	32	Write Only, Shared	spriteram (/* hidden portion of color RAM */)
0x9800-0x9BFF	1024	RAM Write, Shared	colorram_w, colorram
0x9C00-0x9FFF	1024	Write NOP	(/* written to, but unused */)
0xA000	1	Write	irq_mask_w
0xA001-0xA002	2	Write	flipscreen_w
0xA003	1	Write Only, Shared	video_enable
0xA004	1	Write	coincounter_w
0xA005	1	Write NOP	(/* ???? */)
0xA006	1	Write NOP	(/* ???? */)
0xA007	1	Write NOP	(/* ???? */)
0xA800	1	Read Port	DSW
0xB000	1	Device Write	ay2, ay8910_device, address_w
0xB800	1	Device Read/Write	ay2, ay8910_device, data_r, data_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	2.1e	CRC(bea449a6) (Fluke: 3D14)
0x1000-0x1FFF	4096	4.1j	CRC(a5deb8ed) (Fluke: 15CC)

Memory Area:gfx2

Address Range	Length	Label/Location	Description
0x0000-0x0FFF	4096	1.1c	CRC(a1148d89) (Fluke: 410B)
0x1000-0x1FFF	4096	3.1f	CRC(70be5565) (Fluke: 13C1)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x0FFF	4096	5.9e	CRC(907f01c7)
0x1000-0x1FFF	4096	06.9f	CRC(ff2533fb)
0x2000-0x2FFF	4096	07.9j	CRC(b7c544ef) (Fluke: F9D2)
0x3000-0x3FFF	4096	08.9k	CRC(2df22793)
0x4000-0x4FFF	4096	09.9m	CRC(f7d908ec)
0x5000-0x5FFF	4096	10.9n	CRC(7ce9fbc8) (Fluke: 44B4)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x001F	32	prom.3p	CRC(a8a2ddd2) (Fluke: 9797)
0x0020-0x003F	32	prom.3r	CRC(edf88f34) (Fluke: 3ED9)