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.
Pac-Land (Namco, 1984)
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x0FFF4096RAM Write, Sharedvideoram_w, videoram
0x1000-0x1FFF4096RAM Write, Sharedvideoram2_w, videoram2
0x2000-0x37FF6144RAM, Sharedspriteram
0x3800-0x38012Writescroll0_w
0x3A00-0x3A012Writescroll1_w
0x3C001Writebankswitch_w
0x4000-0x5FFF8192ROM Bankbank1
0x6800-0x6BFF1024Device Read/Writenamco, namco_cus30_device, namcos1_cus30_r, namcos1_cus30_w (/* PSG device, shared RAM */)
0x7000-0x7FFF4096Writeirq_1_ctrl_w
0x7800-0x7FFF2048Device Readwatchdog, watchdog_timer_device, reset_r
0x8000-0x8FFF4096Writesubreset_w
0x8000-0xFFFF32768ROM
0x9000-0x9FFF4096Writeflipscreen_w
Memory Area:mcu_map
Address RangeLengthFunctionDescription
0x0000-0x001F32Device Read/Writemcu, hd63701_cpu_device, m6801_io_r, m6801_io_w
0x0080-0x00FF128RAM
0x1000-0x13FF1024Device Read/Writenamco, namco_cus30_device, namcos1_cus30_r, namcos1_cus30_w (/* PSG device, shared RAM */)
0x2000-0x3FFF8192Device Writewatchdog, watchdog_timer_device, reset_w (/* watchdog? */)
0x4000-0x7FFF16384Writeirq_2_ctrl_w
0x8000-0xBFFF16384ROM
0xC000-0xC7FF2048RAM
0xD000-0xD0034Readinput_r
0xF000-0xFFFF4096ROM
Memory Area:mcu_port_map
Address RangeLengthFunctionDescription
0x00001Read PortIN2
0x0001SpecialActive Low
0x0002SpecialActive Low
0x0004SpecialActive Low
0x0008P1 JumpActive Low
0x0010P1 LeftActive Low
0x0020P1 RightActive Low
0x0040Button 3Active Low
0x0080Button 1Active Low
0x00001Writecoin_w
0x00001ReadreadFF (/* leds won't work otherwise */)
0x00001Writeled_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 RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192pl2_12.6nCRC(a63c8726),chars (Fluke: 4ABB)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192pl4_13.6tCRC(3ae582fd) (Fluke: 7E59)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384pl1-9.6fCRC(f5d5962b),sprites (Fluke: 7356)
0x4000-0x7FFF16384pl1-8.6eCRC(a2ebfa4a) (Fluke: BCD0)
0x8000-0xBFFF16384pl1-10.7eCRC(c7cf1904) (Fluke: 2F36)
0xC000-0xFFFF16384pl1-11.7fCRC(6621361a) (Fluke: BF97)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x8000-0xBFFF16384pl5_01b.8bCRC(b0ea7631) (Fluke: E5EF)
0xC000-0xFFFF16384pl5_02.8dCRC(d903e84e) (Fluke: 4873)
0x10000-0x13FFF16384pl1_3.8eCRC(aa9fa739) (Fluke: A40A)
0x10000-0x13FFF16384pl1_3.8eCRC(aa9fa739) (Fluke: A40A)
0x10000-0x13FFF16384pl1_3.8eCRC(aa9fa739) (Fluke: A40A)
0x10000-0x13FFF16384pl1_3.8eCRC(aa9fa739) (Fluke: A40A)
0x14000-0x17FFF16384pl1_4.8fCRC(2b895a90) (Fluke: AFCD)
0x14000-0x17FFF16384pl1_4.8fCRC(2b895a90) (Fluke: AFCD)
0x14000-0x17FFF16384pl1_4.8fCRC(2b895a90) (Fluke: AFCD)
0x14000-0x17FFF16384pl1_4.8fCRC(2b895a90) (Fluke: AFCD)
0x18000-0x1BFFF16384pl1_5.8hCRC(7af66200) (Fluke: B549)
0x18000-0x1BFFF16384pl1_5.8hCRC(7af66200) (Fluke: B549)
0x18000-0x1BFFF16384pl1_5.8hCRC(7af66200) (Fluke: B549)
0x18000-0x1BFFF16384pl1_5.8hCRC(7af66200) (Fluke: B549)
0x1C000-0x1FFFF16384pl3_6.8jCRC(2ffe3319) (Fluke: 4670)
Memory Area:mcu
Address RangeLengthLabel/LocationDescription
0x8000-0x9FFF8192pl1_7.3eCRC(8c5becae),sub program for the mcu (Fluke: A2C7)
0x8000-0x9FFF8192pl1_7.3eCRC(8c5becae),sub program for the mcu (Fluke: A2C7)
0x8000-0x9FFF8192pl1_7.3eCRC(8c5becae),sub program for the mcu (Fluke: A2C7)
0x8000-0x9FFF8192pl1_7.3eCRC(8c5becae),sub program for the mcu (Fluke: A2C7)
0xF000-0xFFFF4096cus60-60a1.mcuCRC(076ea82a),Internal code from the MCU (Fluke: CB6E)
0xF000-0xFFFF4096cus60-60a1.mcuCRC(076ea82a),Internal code from the MCU (Fluke: CB6E)
0xF000-0xFFFF4096cus60-60a1.mcuCRC(076ea82a),Internal code from the MCU (Fluke: CB6E)
0xF000-0xFFFF4096cus60-60a1.mcuCRC(076ea82a),Internal code from the MCU (Fluke: CB6E)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x03FF1024pl1-2.1tCRC(472885de),red and green component (Fluke: 4400)
0x0000-0x03FF1024pl1-2.1tCRC(472885de),red and green component (Fluke: 4400)
0x0000-0x03FF1024pl1-2.1tCRC(472885de),red and green component (Fluke: 4400)
0x0000-0x03FF1024pl1-2.1tCRC(472885de),red and green component (Fluke: 4400)
0x0400-0x07FF1024pl1-1.1rCRC(a78ebdaf),blue component (Fluke: 5AD5)
0x0400-0x07FF1024pl1-1.1rCRC(a78ebdaf),blue component (Fluke: 5AD5)
0x0400-0x07FF1024pl1-1.1rCRC(a78ebdaf),blue component (Fluke: 5AD5)
0x0400-0x07FF1024pl1-1.1rCRC(a78ebdaf),blue component (Fluke: 5AD5)
0x0800-0x0BFF1024pl1-5.5tCRC(4b7ee712),foreground lookup table (Fluke: B3A4)
0x0800-0x0BFF1024pl1-5.5tCRC(4b7ee712),foreground lookup table (Fluke: B3A4)
0x0800-0x0BFF1024pl1-5.5tCRC(4b7ee712),foreground lookup table (Fluke: B3A4)
0x0800-0x0BFF1024pl1-5.5tCRC(4b7ee712),foreground lookup table (Fluke: B3A4)
0x0C00-0x0FFF1024pl1-4.4nCRC(3a7be418),background lookup table (Fluke: 1EC3)
0x0C00-0x0FFF1024pl1-4.4nCRC(3a7be418),background lookup table (Fluke: 1EC3)
0x0C00-0x0FFF1024pl1-4.4nCRC(3a7be418),background lookup table (Fluke: 1EC3)
0x0C00-0x0FFF1024pl1-4.4nCRC(3a7be418),background lookup table (Fluke: 1EC3)
0x1000-0x13FF1024pl1-3.6lCRC(80558da8),sprites lookup table (Fluke: 1EF1)
0x1000-0x13FF1024pl1-3.6lCRC(80558da8),sprites lookup table (Fluke: 1EF1)
0x1000-0x13FF1024pl1-3.6lCRC(80558da8),sprites lookup table (Fluke: 1EF1)
0x1000-0x13FF1024pl1-3.6lCRC(80558da8),sprites lookup table (Fluke: 1EF1)
© Copyright 2009-2025, ClassicSoft, LLC. All rights reserved
Powered by the ClassicSoft Web Content Framework V3