Search

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.
Sand Scorpion (Face, 1992)
Memory Area:sandscrp
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM(// ROM)
0x100000-0x1000012Writeirq_cause_w (// IRQ Ack)
0x200000-0x20001F32Device Read/Writecalc1_mcu, kaneko_hit_device, kaneko_hit_r,kaneko_hit_w
0x300000-0x30001F32Device Read/Writeview2_0, kaneko_view2_tilemap_device, kaneko_tmap_regs_r, kaneko_tmap_regs_w
0x400000-0x403FFF16384Device Read/Writeview2_0, kaneko_view2_tilemap_device, kaneko_tmap_vram_r, kaneko_tmap_vram_w
0x500000-0x501FFF8192Device Read/Writepandora, kaneko_pandora_device, spriteram_LSB_r, spriteram_LSB_w (// sprites)
0x0003LivesActive High
0x00021Active High
0x00012Active High
0x00033Active High
0x00005Active High
0x00081Active High
0x00042Active High
0x000c3Active High
0x00005Active High
0x0030DifficultyActive High
0x0030EasyActive High
0x0020NormalActive High
0x0010HardActive High
0x0000HardestActive High
0x00c0Bonus_LifeActive High
0x0080100K, 300KActive High
0x00c0200K, 500KActive High
0x0040500K, 1000KActive High
0x00001000K, 3000KActive High
0x600000-0x600FFF4096RAM Device Write, Sharedpalette, palette_device, write, palette (// Palette)
0x700000-0x70FFFF65536RAM(// RAM)
0x800000-0x8000012Readirq_cause_r (// IRQ Cause)
0xA00000-0xA000012Writecoincounter_w (// Coin Counters (Lockout unused))
0xB00000-0xB000012Read PortP1
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0xff00UnknownActive Low
0xB00002-0xB000032Read PortP2
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0xff00UnknownActive Low
0xB00004-0xB000052Read PortSYSTEM
0x0001Start 1Active Low
0x0002Start 2Active Low
0x0004Coin 1Active Low
0x0008Coin 2Active Low
0x0010TiltActive Low
0x0020UnknownActive Low
0x0040Service 1Active Low
0x0080UnknownActive Low
0xff00UnknownActive Low
0xB00006-0xB000072Read PortUNK
0xffffUnknownActive Low
0xE00000-0xE000012Read/Writesoundlatch_word_r, soundlatch_word_w (// From/To Sound CPU)
0xE40000-0xE400012Read/Writelatchstatus_word_r, latchstatus_word_w (//)
0xEC0000-0xEC00012Device Readwatchdog, watchdog_timer_device, reset16_r
Memory Area:sandscrp_soundmem
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM(// ROM)
0x8000-0xBFFF16384ROM Bankbank1 (// Banked ROM)
0xC000-0xDFFF8192RAM(// RAM)
Memory Area:sandscrp_soundport
Address RangeLengthFunctionDescription
0x00001Writebankswitch_w (// ROM Bank)
0x0002-0x00032Device Read/Writeymsnd, ym2203_device, read, write (// PORTA/B read)
0x00041Device Writeoki, okim6295_device, write (// OKIM6295)
0x00061Writesoundlatch_w (//)
0x00071Readsoundlatch_r (//)
0x00081Readlatchstatus_r (//)
 

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:audiocpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF1310728.ic51CRC(6f3e9db1) (Fluke: 5BC9)
0x0000-0x1FFFF1310728.ic51CRC(6f3e9db1) (Fluke: 5BC9)
0x0000-0x1FFFF1310728.ic51CRC(6f3e9db1) (Fluke: 5BC9)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF5242885.ic16CRC(9bb675f6) (Fluke: E517)
0x0000-0x7FFFF5242885.ic16CRC(9bb675f6) (Fluke: E517)
0x80000-0xFFFFF5242886.ic17CRC(7df2f219) (Fluke: 4098)
0x80000-0xFFFFF5242886.ic17CRC(7df2f219) (Fluke: 4098)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF2621447.ic55CRC(9870ab12) (Fluke: 3D93)
0x0000-0x3FFFF2621447.ic55CRC(9870ab12) (Fluke: 3D93)
0x0000-0x3FFFF2621447.ic55CRC(9870ab12) (Fluke: 3D93)
© Copyright 2009-2025, ClassicSoft, LLC. All rights reserved
Powered by the ClassicSoft Web Content Framework V3