S.O.S. 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.

S.O.S. (Terminal, 1988)

Memory Area:tiamc1_io_map

Address Range	Length	Function	Description
0x0040-0x004F	16	Write	tiamc1_sprite_y_w (/* sprites Y */)
0x0050-0x005F	16	Write	tiamc1_sprite_x_w (/* sprites X */)
0x0060-0x006F	16	Write	tiamc1_sprite_n_w (/* sprites # */)
0x0070-0x007F	16	Write	tiamc1_sprite_a_w (/* sprites attributes */)
0x00A0-0x00AF	16	Write	tiamc1_palette_w (/* color ram */)
0x00BC	1	Write	tiamc1_bg_vshift_w (/* background V scroll */)
0x00BD	1	Write	tiamc1_bg_hshift_w (/* background H scroll */)
0x00BE	1	Write	tiamc1_bankswitch_w (/* VRAM selector */)
0x00BF	1	Write	tiamc1_bg_bplctrl_w (/* charset control */)
0x00C0-0x00C3	4	Device Write	2x8253, tiamc1_sound_device, tiamc1_timer0_w (/* timer 0 */)
0x00D0-0x00D3	4	Device Read/Write	kr580vv55a, i8255_device, read, write (/* input ports + coin counters & lockout */)
0x00D4-0x00D7	4	Device Write	2x8253, tiamc1_sound_device, tiamc1_timer1_w (/* timer 1 */)
0x00DA	1	Device Write	2x8253, tiamc1_sound_device, tiamc1_timer1_gate_w (/* timer 1 gate control */)

Memory Area:tiamc1_map

Address Range	Length	Function	Description
0x0000-0xDFFF	57344	ROM
0xB000-0xB7FF	2048	Write	tiamc1_videoram_w
0xE000-0xFFFF	8192	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:gfx1

Address Range	Length	Label/Location	Description
0x0000-0x1FFF	8192	00.2a	CRC(a1c7f07a) (Fluke: 2930)
0x2000-0x3FFF	8192	01.3a	CRC(788b4036) (Fluke: 5775)
0x4000-0x5FFF	8192	02.5a	CRC(9506cf9b) (Fluke: 95FB)
0x6000-0x7FFF	8192	03.6a	CRC(5a0c14e1) (Fluke: 08E5)

Memory Area:maincpu

Address Range	Length	Label/Location	Description
0x0000-0x1FFF	8192	04.1g	CRC(d588081e) (Fluke: 4300)
0x2000-0x3FFF	8192	05.2g	CRC(b44e7491) (Fluke: EB2B)
0x4000-0x5FFF	8192	06.3g	CRC(34dacde6) (Fluke: 6746)
0x6000-0x7FFF	8192	07.4g	CRC(9f6f8cdd) (Fluke: A81B)
0x8000-0x9FFF	8192	08.5g	CRC(25e70da4) (Fluke: 3318)
0xC000-0xDFFF	8192	10.7g	CRC(22bc9997) (Fluke: 744E)

Memory Area:proms

Address Range	Length	Label/Location	Description
0x0000-0x00FF	256	prom100.e10	i/o ports map 256x8
0x0100-0x01FF	256	prom101.a01	video sync 256x8
0x0200-0x027F	128	prom102.b03	sprites rom index 256x4
0x0280-0x02FF	128	prom102.b06	buffer optimization logic 256x4
0x0300-0x03FF	256	prom102.b05	sprites rom index 256x8