Circus / Acrobat TV 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.

Circus / Acrobat TV (Exidy / Taito, 1977)

Memory Area:circus_map

Address Range

Length

Function

Description

0x0000-0x01FF

512

RAM

0x1000-0x1FFF

4096

ROM

0x2000

Write

circus_clown_x_w

0x3000

Write

circus_clown_y_w

0x4000-0x43FF

1024

RAM Write, Shared

circus_videoram_w, videoram

0x8000

RAM Write

circus_clown_z_w

0xA000

Read Port

INPUTS

0x0001	Start 1	Active High
0x0002	Start 2	Active High
0x007c	Unknown	Active High
0x0080	Coin 1	Active High

0xC000

Read Port

DSW

0x0003	Lives	Active High
0x0000	3	Active High
0x0001	5	Active High
0x0002	7	Active High
0x0003	9	Active High
0x000c	Coinage	Active High
0x0008	2C_1C	Active High
0x000c	2C_1C	Active High
0x0004	1C_1C	Active High
0x0000	1C_2C	Active High
0x0010	Credit Awarded	Active High
0x0000	No Award	Active High
0x0000	Single Line	Active High
0x0020	Super Bonus	Active High
0x0080	Custom	Active Low

0xD000

Read

circus_paddle_r

0xF000-0xFFFF

4096

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
0x0000-0x01FF	512	9003.4c	CRC(6efc315a) (Fluke: 8E86)
0x0200-0x03FF	512	9002.3c	CRC(30d72ef5) (Fluke: 19A6)
0x0400-0x05FF	512	9001.2c	CRC(361da7ee) (Fluke: 8362)
0x0600-0x07FF	512	9000.1c	CRC(1f954bb3) (Fluke: F583)

Memory Area:gfx2

Address Range	Length	Label/Location	Description
0x0000-0x01FF	512	9012.14d	CRC(2fde3930) (Fluke: E6FE)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x1000-0x11FF	512	9004.1a	CRC(7654ea75) (Fluke: 97D6)
0x1200-0x13FF	512	9005.2a	CRC(b8acdbc5) (Fluke: 53)
0x1400-0x15FF	512	9006.3a	CRC(901dfff6) (Fluke: DFD2)
0x1600-0x17FF	512	9007.5a	CRC(9dfdae38) (Fluke: BCFB)
0x1800-0x19FF	512	9008.6a	CRC(c8681cf6) (Fluke: DB59)
0x1A00-0x1BFF	512	9009.7a	CRC(585f633e) (Fluke: 791E)
0x1C00-0x1DFF	512	9010.8a	CRC(69cc409f) (Fluke: EE99)
0x1E00-0x1FFF	512	9011.9a	CRC(aff835eb) (Fluke: 4662)