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.
Gauntlet II (Atari Games, 1986)
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x37FFF229376Mirror, ROM0x280000,
0x38000-0x3FFFF32768Mirror, ROM0x280000, (/* slapstic maps here */)
0x40000-0x7FFFF262144Mirror, ROM0x280000,
0x800000-0x801FFF8192Mirror, RAM0x2fc000,
0x802000-0x802FFF4096Mirror, Device Read/Write 8-bit0x2fc000, eeprom, atari_eeprom_device, read, write, 0x00ff
0x803000-0x8030012Mirror, Read Port0x2fcef0, 803000
0x803002-0x8030032Mirror, Read Port0x2fcef0, 803002
0x803004-0x8030052Mirror, Read Port0x2fcef0, 803004
0x803006-0x8030072Mirror, Read Port0x2fcef0, 803006
0x803008-0x8030092Mirror, Read Port0x2fcef0, 803008
0x80300E-0x80300F2Mirror, Device Read 8-bit0x2fcef0, soundcomm, atari_sound_comm_device, main_response_r, 0x00ff
0x803100-0x8031012Mirror, Device Write0x2fce8e, watchdog, watchdog_timer_device, reset16_w
0x803120-0x8031212Mirror, Device Write0x2fce8e, soundcomm, atari_sound_comm_device, sound_reset_w
0x803140-0x8031412Mirror, Write0x2fce8e, video_int_ack_w
0x803150-0x8031512Mirror, Device Write0x2fce8e, eeprom, atari_eeprom_device, unlock_write
0x803170-0x8031712Mirror, Device Write 8-bit0x2fce8e, soundcomm, atari_sound_comm_device, main_command_w, 0x00ff
0x900000-0x901FFF8192Mirror, RAM Device Write, Shared0x2c8000, playfield, tilemap_device, write, playfield
0x902000-0x903FFF8192Mirror, RAM, Shared0x2c8000, , mob
0x904000-0x904FFF4096Mirror, RAM0x2c8000,
0x905000-0x905F7F3968Mirror, RAM Device Write, Shared0x2c8000, alpha, tilemap_device, write, alpha
0x905F6E-0x905F6F2Mirror, RAM Write, Shared0x2c8000, gauntlet_yscroll_w, yscroll
0x905F80-0x905FFF128Mirror, RAM, Shared0x2c8000, , mob:slip
0x910000-0x9107FF2048Mirror, RAM Device Write, Shared0x2cf800, palette, palette_device, write, palette
0x930000-0x9300012Mirror, Write, Shared0x2cfffe, gauntlet_xscroll_w, xscroll
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x0000-0x0FFF4096Mirror, RAM0x2000,
0x1000-0x100F16Mirror, Device Write0x27c0, soundcomm, atari_sound_comm_device, sound_response_w
0x1010-0x101F16Mirror, Device Read0x27c0, soundcomm, atari_sound_comm_device, sound_command_r
0x1020-0x102F16Mirror, Read Port, Write0x27c0, COIN, mixer_w
0x1030-0x103F16Mirror, Read/Write0x27c0, switch_6502_r, sound_ctl_w
0x1800-0x180F16Mirror, Device Read/Write0x27c0, pokey, pokey_device, read, write
0x1810-0x18112Mirror, Device Read/Write0x27ce, ymsnd, ym2151_device, read, write
0x1820-0x182F16Mirror, Device Write0x27c0, tms, tms5220_device, data_w
0x1830-0x183F16Mirror, Device Read/Write0x27c0, soundcomm, atari_sound_comm_device, sound_irq_ack_r, sound_irq_ack_w
0x4000-0xFFFF49152ROM
 

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
0x4000-0x7FFF16384136043-1120.16rCRC(5c731006) (Fluke: 48A8)
0x4000-0x7FFF16384136043-1120.16rCRC(5c731006) (Fluke: 48A8)
0x4000-0x7FFF16384136043-1120.16rCRC(5c731006) (Fluke: 48A8)
0x4000-0x7FFF16384136043-1120.16rCRC(5c731006) (Fluke: 48A8)
0x4000-0x7FFF16384136043-1120.16rCRC(5c731006) (Fluke: 48A8)
0x8000-0xFFFF32768136043-1119.16sCRC(dc3591e7) (Fluke: F64E)
0x8000-0xFFFF32768136043-1119.16sCRC(dc3591e7) (Fluke: F64E)
0x8000-0xFFFF32768136043-1119.16sCRC(dc3591e7) (Fluke: F64E)
0x8000-0xFFFF32768136043-1119.16sCRC(dc3591e7) (Fluke: F64E)
0x8000-0xFFFF32768136043-1119.16sCRC(dc3591e7) (Fluke: F64E)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192136043-1104.6pCRC(1343cf6f) (Fluke: 379E)
0x0000-0x1FFF8192136043-1104.6pCRC(1343cf6f) (Fluke: 379E)
0x0000-0x1FFF8192136043-1104.6pCRC(1343cf6f) (Fluke: 379E)
0x0000-0x1FFF8192136043-1104.6pCRC(1343cf6f) (Fluke: 379E)
0x0000-0x1FFF8192136043-1104.6pCRC(1343cf6f) (Fluke: 379E)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768136043-1111.1aCRC(09df6e23) (Fluke: B597)
0x0000-0x7FFF32768136043-1111.1aCRC(09df6e23) (Fluke: B597)
0x0000-0x7FFF32768136043-1111.1aCRC(09df6e23) (Fluke: B597)
0x0000-0x7FFF32768136043-1111.1aCRC(09df6e23) (Fluke: B597)
0x0000-0x7FFF32768136043-1111.1aCRC(09df6e23) (Fluke: B597)
0x8000-0xFFFF32768136037-112.1bCRC(869330be) (Fluke: 690E)
0x8000-0xFFFF32768136037-112.1bCRC(869330be) (Fluke: 690E)
0x8000-0xFFFF32768136037-112.1bCRC(869330be) (Fluke: 690E)
0x8000-0xFFFF32768136037-112.1bCRC(869330be) (Fluke: 690E)
0x8000-0xFFFF32768136037-112.1bCRC(869330be) (Fluke: 690E)
0x10000-0x13FFF16384136043-1123.1cCRC(e4c98f01) (Fluke: 0CF1)
0x10000-0x13FFF16384136043-1123.1cCRC(e4c98f01) (Fluke: 0CF1)
0x10000-0x13FFF16384136043-1123.1cCRC(e4c98f01) (Fluke: 0CF1)
0x10000-0x13FFF16384136043-1123.1cCRC(e4c98f01) (Fluke: 0CF1)
0x10000-0x13FFF16384136043-1123.1cCRC(e4c98f01) (Fluke: 0CF1)
0x18000-0x1FFFF32768136043-1113.1lCRC(33cb476e) (Fluke: E27B)
0x18000-0x1FFFF32768136043-1113.1lCRC(33cb476e) (Fluke: E27B)
0x18000-0x1FFFF32768136043-1113.1lCRC(33cb476e) (Fluke: E27B)
0x18000-0x1FFFF32768136043-1113.1lCRC(33cb476e) (Fluke: E27B)
0x18000-0x1FFFF32768136043-1113.1lCRC(33cb476e) (Fluke: E27B)
0x20000-0x27FFF32768136037-114.1mnCRC(29ef9882) (Fluke: 1F79)
0x20000-0x27FFF32768136037-114.1mnCRC(29ef9882) (Fluke: 1F79)
0x20000-0x27FFF32768136037-114.1mnCRC(29ef9882) (Fluke: 1F79)
0x20000-0x27FFF32768136037-114.1mnCRC(29ef9882) (Fluke: 1F79)
0x20000-0x27FFF32768136037-114.1mnCRC(29ef9882) (Fluke: 1F79)
0x28000-0x2BFFF16384136043-1124.1pCRC(c4857879) (Fluke: D7D2)
0x28000-0x2BFFF16384136043-1124.1pCRC(c4857879) (Fluke: D7D2)
0x28000-0x2BFFF16384136043-1124.1pCRC(c4857879) (Fluke: D7D2)
0x28000-0x2BFFF16384136043-1124.1pCRC(c4857879) (Fluke: D7D2)
0x28000-0x2BFFF16384136043-1124.1pCRC(c4857879) (Fluke: D7D2)
0x30000-0x37FFF32768136043-1115.2aCRC(f71e2503) (Fluke: 180C)
0x30000-0x37FFF32768136043-1115.2aCRC(f71e2503) (Fluke: 180C)
0x30000-0x37FFF32768136043-1115.2aCRC(f71e2503) (Fluke: 180C)
0x30000-0x37FFF32768136043-1115.2aCRC(f71e2503) (Fluke: 180C)
0x30000-0x37FFF32768136043-1115.2aCRC(f71e2503) (Fluke: 180C)
0x38000-0x3FFFF32768136037-116.2bCRC(11e0ac5b) (Fluke: 928C)
0x38000-0x3FFFF32768136037-116.2bCRC(11e0ac5b) (Fluke: 928C)
0x38000-0x3FFFF32768136037-116.2bCRC(11e0ac5b) (Fluke: 928C)
0x38000-0x3FFFF32768136037-116.2bCRC(11e0ac5b) (Fluke: 928C)
0x38000-0x3FFFF32768136037-116.2bCRC(11e0ac5b) (Fluke: 928C)
0x40000-0x43FFF16384136043-1125.2cCRC(d9c2c2d1) (Fluke: B667)
0x40000-0x43FFF16384136043-1125.2cCRC(d9c2c2d1) (Fluke: B667)
0x40000-0x43FFF16384136043-1125.2cCRC(d9c2c2d1) (Fluke: B667)
0x40000-0x43FFF16384136043-1125.2cCRC(d9c2c2d1) (Fluke: B667)
0x40000-0x43FFF16384136043-1125.2cCRC(d9c2c2d1) (Fluke: B667)
0x48000-0x4FFFF32768136043-1117.2lCRC(9e30b2e9) (Fluke: A6DC)
0x48000-0x4FFFF32768136043-1117.2lCRC(9e30b2e9) (Fluke: A6DC)
0x48000-0x4FFFF32768136043-1117.2lCRC(9e30b2e9) (Fluke: A6DC)
0x48000-0x4FFFF32768136043-1117.2lCRC(9e30b2e9) (Fluke: A6DC)
0x48000-0x4FFFF32768136043-1117.2lCRC(9e30b2e9) (Fluke: A6DC)
0x50000-0x57FFF32768136037-118.2mnCRC(8bf3b263) (Fluke: D90C)
0x50000-0x57FFF32768136037-118.2mnCRC(8bf3b263) (Fluke: D90C)
0x50000-0x57FFF32768136037-118.2mnCRC(8bf3b263) (Fluke: D90C)
0x50000-0x57FFF32768136037-118.2mnCRC(8bf3b263) (Fluke: D90C)
0x50000-0x57FFF32768136037-118.2mnCRC(8bf3b263) (Fluke: D90C)
0x58000-0x5BFFF16384136043-1126.2pCRC(a32c732a) (Fluke: 4723)
0x58000-0x5BFFF16384136043-1126.2pCRC(a32c732a) (Fluke: 4723)
0x58000-0x5BFFF16384136043-1126.2pCRC(a32c732a) (Fluke: 4723)
0x58000-0x5BFFF16384136043-1126.2pCRC(a32c732a) (Fluke: 4723)
0x58000-0x5BFFF16384136043-1126.2pCRC(a32c732a) (Fluke: 4723)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x01FF51274s472-136037-101.7uCRC(2964f76f),MO timing (Fluke: 843A)
0x0000-0x01FF51274s472-136037-101.7uCRC(2964f76f),MO timing (Fluke: 843A)
0x0000-0x01FF51274s472-136037-101.7uCRC(2964f76f),MO timing (Fluke: 843A)
0x0000-0x01FF51274s472-136037-101.7uCRC(2964f76f),MO timing (Fluke: 843A)
0x0000-0x01FF51274s472-136037-101.7uCRC(2964f76f),MO timing (Fluke: 843A)
0x0200-0x03FF51274s472-136037-102.5lCRC(4d4fec6c),MO flip control (Fluke: 5AE3)
0x0200-0x03FF51274s472-136037-102.5lCRC(4d4fec6c),MO flip control (Fluke: 5AE3)
0x0200-0x03FF51274s472-136037-102.5lCRC(4d4fec6c),MO flip control (Fluke: 5AE3)
0x0200-0x03FF51274s472-136037-102.5lCRC(4d4fec6c),MO flip control (Fluke: 5AE3)
0x0200-0x03FF51274s472-136037-102.5lCRC(4d4fec6c),MO flip control (Fluke: 5AE3)
0x0400-0x04FF25674s287-136037-103.4rCRC(6c5ccf08),MO position/size (Fluke: EC35)
0x0400-0x04FF25674s287-136037-103.4rCRC(6c5ccf08),MO position/size (Fluke: EC35)
0x0400-0x04FF25674s287-136037-103.4rCRC(6c5ccf08),MO position/size (Fluke: EC35)
0x0400-0x04FF25674s287-136037-103.4rCRC(6c5ccf08),MO position/size (Fluke: EC35)
0x0400-0x04FF25674s287-136037-103.4rCRC(6c5ccf08),MO position/size (Fluke: EC35)
© Copyright 2009-2025, ClassicSoft, LLC. All rights reserved
Powered by the ClassicSoft Web Content Framework V3