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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.
Rack 'em Up (Konami, 1987)
Memory Area:battlnts_map
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192Device Read/Writek007342, k007342_device, read, write (/* Color RAM + Video RAM */)
0x2000-0x21FF512Device Read/Writek007420, k007420_device, read, write (/* Sprite RAM */)
0x2200-0x23FF512Device Read/Writek007342, k007342_device, scroll_r, scroll_w (/* Scroll RAM */)
0x2400-0x24FF256RAM Device Write, Sharedpalette, palette_device, write, palette (/* palette */)
0x2600-0x26078Device Writek007342, k007342_device, vreg_w (/* Video Registers */)
0x2E001Read PortDSW1
0x2E011Read PortP2
0x2E021Read PortP1
0x2E031Read PortDSW3 (/* coinsw, testsw, startsw */)
0x2E041Read PortDSW2
0x2E081Writebattlnts_bankswitch_w (/* bankswitch control */)
0x2E0C1Writebattlnts_spritebank_w (/* sprite bank select */)
0x2E101Device Writewatchdog, watchdog_timer_device, reset_w
0x2E141Device Writesoundlatch, generic_latch_8_device, write (/* sound code # */)
0x2E181Writebattlnts_sh_irqtrigger_w (/* cause interrupt on audio CPU */)
0x4000-0x7FFF16384ROM Bankrombank (/* banked ROM */)
0x8000-0xFFFF32768ROM(/* ROM 777e02.bin */)
Memory Area:battlnts_sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM(/* ROM 777c01.rom */)
0x8000-0x87FF2048RAM(/* RAM */)
0xA000-0xA0012Device Read/Writeym1, ym3812_device, read, write (/* YM3812 (chip 1) */)
0xC000-0xC0012Device Read/Writeym2, ym3812_device, read, write (/* YM3812 (chip 2) */)
0xE0001Device Readsoundlatch, generic_latch_8_device, read
 

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
0x0000-0x7FFF32768765_j01.10aCRC(77ae753e) (Fluke: 767F)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144765_l04.13aCRC(d8fb9c64),tiles
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144765_l05.13eCRC(1bb6855f),sprites (Fluke: 7C79)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x8000-0xFFFF32768765_l02.7eCRC(3dfc48bd),fixed ROM (Fluke: CE38)
0x10000-0x1FFFF65536765_j03.8eCRC(a13fd751),banked ROM (Fluke: AB79)
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