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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.
Meteors (Amusement World, 0)
Memory Area:meteors_map
Address RangeLengthFunctionDescription
0x700B1Write NOP
0x700D1Writeirq_mask_w (// ??)
0x700E1Writeflip_screen_w (// irq mask isn't here, gets written too early causing the game to not boot, see startup code between sets)
Memory Area:spcforce_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0x4000-0x43FF1024RAM
0x70001Read Port, Device WriteDSW, soundlatch, generic_latch_8_device, write
0x70011Read Port, WriteP1, soundtrigger_w
0x70021Read PortP2
0x700B1Writeflip_screen_w
0x700E1Writeirq_mask_w
0x700F1Write NOP
0x8000-0x83FF1024RAM, Sharedvideoram
0x9000-0x93FF1024RAM, Sharedcolorram
0xA000-0xA3FF1024RAM, Sharedscrollram
Memory Area:spcforce_sound_io_map
Address RangeLengthFunctionDescription
0x00001WriteSN76496_latch_w
0x00001Read/WriteSN76496_select_r, SN76496_select_w
0x00001Device Readsoundlatch, generic_latch_8_device, read
0x00001Readt0_r
Memory Area:spcforce_sound_map
Address RangeLengthFunctionDescription
0x0000-0x07FF2048ROM
 

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
0x0000-0x07FF2048vms.10lCRC(b14ccd57) (Fluke: 4C88)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048rm1h1_2.6stCRC(409fef31)
0x0800-0x0FFF2048rm2h1_2.7stCRC(b3981251) (Fluke: AA06)
0x1000-0x17FF2048gm1h1_2.6prCRC(0b85c282)
0x1800-0x1FFF2048gm2h1_2.7prCRC(0997d945) (Fluke: 4662)
0x2000-0x27FF2048bm1h1_2.6nmCRC(f9501c8e)
0x2800-0x2FFF2048bm2h1_2.7nmCRC(2858cf5c) (Fluke: 48A0)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF20481hz1_2.1abCRC(86de2a63)
0x0800-0x0FFF20482hz1_2.1cdCRC(7ef2c421)
0x1000-0x17FF20483hz1_2.2abCRC(6d631f33)
0x1800-0x1FFF20484hz1_2.2cdCRC(48cb5acc)
0x2800-0x2FFF20486hz1_2.3cdCRC(39541265)
0x3000-0x37FF20487hz1_2.4abCRC(e718e807)
0x3800-0x3FFF2048mbv21_2.4cdCRC(f805c3cd) (Fluke: EFFE)
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