Herbie at the Olympics Memory Map

Contributors
Contributors
- Contributor Account
- Sign Up
On-Line Databases
On-Line Databases
Main
Main
Education
Education
My Restorations
My Restorations
- Restorations
- Conversions
Restoring Games
Restoring Games
Repairing Games
Repairing Games
Resources
Resources
Miscellaneous
Miscellaneous

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.

Herbie at the Olympics (Century Electronics / Seatongrove Ltd, 1984)

Memory Area:dkong_map

Address Range	Length	Function	Description
0x0000-0x3FFF	16384	ROM
0x6000-0x6BFF	3072	RAM
0x7000-0x73FF	1024	RAM, Shared	sprite_ram (/* sprite set 1 */)
0x7400-0x77FF	1024	RAM Write, Shared	dkong_videoram_w, video_ram
0x7800-0x780F	16	Device Read/Write	dma8257, i8257_device, read, write (/* P8257 control registers */)
0x7C00	1	Read Port, Write Latch 8-bit	IN0, ls175.3d (/* IN0, sound CPU intf */)
0x7C80	1	Read Port, Write	IN1, radarscp_grid_color_w (/* IN1 */)
0x7D00	1	Read	dkong_in2_r (/* IN2 */)
0x7D00-0x7D07	8	Device Write	ls259.6h, latch8_device, bit0_w (/* Sound signals */)
0x7D80	1	Read Port, Write	DSW0, dkong_audio_irq_w (/* DSW0 */)
0x7D81	1	Write	radarscp_grid_enable_w
0x7D82	1	Write	dkong_flipscreen_w
0x7D83	1	Write	dkong_spritebank_w (/* 2 PSL Signal */)
0x7D84	1	Write	nmi_mask_w
0x7D85	1	Write	p8257_drq_w (/* P8257 ==> /DRQ0 /DRQ1 */)
0x7D86-0x7D87	2	Write	dkong_palettebank_w

Memory Area:s2650_io_map

Address Range

Length

Function

Description

0x0000

Write

s2650_data_w

0x0000

Read Port

SENSE

0x0080

Custom

Active Low

0x0000

Read

s2650_port0_r

0x0001

Read

s2650_port1_r

Memory Area:s2650_map

Address Range	Length	Function	Description
0x0000-0x0FFF	4096	ROM
0x1000-0x13FF	1024	RAM, Shared	sprite_ram (/* 0x7000 */)
0x1400	1	Mirror, Read Port, Device Write	0x007f, IN0, ls175.3d, latch8_device, write
0x1480	1	Read Port	IN1
0x1500-0x1507	8	Device Write	ls259.6h, latch8_device, bit0_w (/* Sound signals */)
0x1500	1	Mirror, Read	0x007f, dkong_in2_r (/* IN2 */)
0x1580	1	Read Port, Write	DSW0, dkong_audio_irq_w (/* DSW0 */)
0x1582	1	Write	dkong_flipscreen_w
0x1583	1	Write	dkong_spritebank_w (/* 2 PSL Signal */)
0x1584	1	Read/Write NOP	(/* Possibly still interrupt enable */)
0x1585	1	Write	p8257_drq_w (/* P8257 ==> /DRQ0 /DRQ1 */)
0x1586-0x1587	2	Write	dkong_palettebank_w
0x1600-0x17FF	512	RAM	(/* 0x6400 spriteram location */)
0x1800-0x1BFF	1024	RAM Write, Shared	dkong_videoram_w, video_ram (/* 0x7400 */)
0x1C00-0x1F7F	896	RAM	(/* 0x6000 */)
0x1F80-0x1F8F	16	Device Read/Write	dma8257, i8257_device, read, write (/* P8257 control registers */)
0x2000-0x2FFF	4096	ROM
0x3000-0x3FFF	4096	Read/Write	s2650_mirror_r, s2650_mirror_w
0x4000-0x4FFF	4096	ROM
0x5000-0x5FFF	4096	Read/Write	s2650_mirror_r, s2650_mirror_w
0x6000-0x6FFF	4096	ROM
0x7000-0x7FFF	4096	Read/Write	s2650_mirror_r, s2650_mirror_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
0x0000-0x07FF	2048	5h.vid	CRC(ea2a2547) (Fluke: 4C77)
0x0800-0x0FFF	2048	5k.vid	CRC(a8d421c9) (Fluke: 0EBB)

Memory Area:gfx2

Address Range	Length	Label/Location	Description
0x0000-0x07FF	2048	7c.clk	CRC(af646166) (Fluke: 223F)
0x0800-0x0FFF	2048	7d.clk	CRC(d8e15832) (Fluke: C9A6)
0x1000-0x17FF	2048	7e.clk	CRC(2f7e65fa) (Fluke: 408E)
0x1800-0x1FFF	2048	7f.clk	CRC(ad32d5ae) (Fluke: 17C9)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x0FFF	4096	5f.cpu	CRC(c7ab3ac6) (Fluke: 2374)
0x2000-0x2FFF	4096	5g.cpu	CRC(d1031aa6) (Fluke: C017)
0x4000-0x4FFF	4096	5h.cpu	CRC(c0daf551) (Fluke: 1B4A)
0x6000-0x6FFF	4096	5k.cpu	CRC(67442242) (Fluke: D4AD)

Memory Area:plds

Address Range	Length	Label/Location	Description
0x0000-0x00EA	235	pls153h.bin	CRC(d6a04bcc) (Fluke: D491)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x00FF	256	74s287.2k	CRC(7dc0a381),palette high 4 bits (inverted) (Fluke: E24F)
0x0100-0x01FF	256	74s287.2j	CRC(0a440c00),palette low 4 bits (inverted) (Fluke: 61B2)
0x0200-0x02FF	256	74s287.vid	CRC(5a3446cc),character color codes on a per-column basis (Fluke: 9E35)

Memory Area:soundcpu

Address Range	Length	Label/Location	Description
0x0000-0x07FF	2048	3i.snd	CRC(20e30406) (Fluke: B9DB)

Memory Area:user1

Address Range	Length	Label/Location	Description
0x0000-0x01FF	512	82s147.hh	CRC(46e5bc92),address mapping (Fluke: 3F3C)