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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.
U.S. Classic (Seta, 1989)
Memory Area:calibr50_sub_map
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192Device Read/Writex1snd, x1_010_device, read ,write (// Sound)
0x40001Device Readsoundlatch, generic_latch_8_device, read (// From Main CPU)
0x40001Writesub_bankswitch_w (// Bankswitching)
0x8000-0xBFFF16384ROM Bankbank1 (// Banked ROM)
0xC0001Writecalibr50_soundlatch2_w (// To Main CPU)
0xC000-0xFFFF16384ROM(// ROM)
Memory Area:usclssic_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM(// ROM)
0x800000-0x8005FF1536RAM, Device Read/Writespritegen, seta001_device, spriteylow_r16, spriteylow_w16 (// Sprites Y)
0x800600-0x8006078RAM, Device Read/Writespritegen, seta001_device, spritectrl_r16, spritectrl_w16
0xA00000-0xA000056RAM, Sharedvctrl_0 (// VRAM Ctrl)
0xB40000-0xB400034Readusclssic_trackball_x_r (// TrackBall X)
0xB40000-0xB400012Writeusclssic_lockout_w (// Coin Lockout + Tiles Banking)
0xB40004-0xB400074Readusclssic_trackball_y_r (// TrackBall Y + Buttons)
0xB4000A-0xB4000B2Write NOP(// ? (value's not important. In lev2&6))
0xB40010-0xB400112Writecalibr50_soundlatch_w (// To Sub CPU)
0xB40010-0xB400112Read PortCOINS (// Coins)
0x0001UnknownActive Low
0x0002UnknownActive Low
0x0004UnknownActive Low
0x0008UnknownActive Low
0x0010Coin 1Active High
0x0020Coin 2Active High
0x0040Service 1Active High
0x0080TiltActive High
0xB40018-0xB400192Device Writewatchdog, watchdog_timer_device, reset16_w
0xB40018-0xB4001F8Readusclssic_dsw_r (// 2 DSWs)
0xB80000-0xB800012Read NOP(// Watchdog (value is discarded)?)
0xC00000-0xC03FFF16384RAM, Device Read/Writespritegen, seta001_device, spritecode_r16, spritecode_w16 (// Sprites Code + X + Attr)
0xD00000-0xD03FFF16384RAM Write, Sharedseta_vram_0_w, vram_0 (// VRAM)
0xD04000-0xD04FFF4096RAM(//)
0xE00000-0xE00FFF4096RAM(// NVRAM? (odd bytes))
0xFF0000-0xFFFFFF65536RAM(// RAM)
 

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:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288ue001010.120CRC(dd683031) (Fluke: E173)
0x80000-0xFFFFF524288ue001011.121CRC(0e27bc49) (Fluke: B850)
0x100000-0x17FFFF524288ue001012.122CRC(961dfcdc) (Fluke: B11E)
0x180000-0x1FFFFF524288ue001013.123CRC(03e9eb79) (Fluke: 1ACF)
0x200000-0x27FFFF524288ue001014.124CRC(9576ace7) (Fluke: 6F73)
0x280000-0x2FFFFF524288ue001015.125CRC(631d6eb1) (Fluke: AC31)
0x300000-0x37FFFF524288ue001016.126CRC(f44a8686) (Fluke: DB56)
0x380000-0x3FFFFF524288ue001017.127CRC(7f568258) (Fluke: B064)
0x400000-0x47FFFF524288ue001018.128CRC(4bd98f23) (Fluke: 86B1)
0x480000-0x4FFFFF524288ue001019.129CRC(6d9f5a33) (Fluke: DD4E)
0x500000-0x57FFFF524288ue001020.130CRC(bc07403f) (Fluke: 70FE)
0x580000-0x5FFFFF524288ue001021.131CRC(98c03efd) (Fluke: BBC8)
Memory Area:sub
Address RangeLengthLabel/LocationDescription
0x4000-0x43FFF262144ue002u61.004CRC(476e9f60) (Fluke: 7160)
Memory Area:x1snd
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288ue001005.132CRC(c5fea37c) (Fluke: BA6E)
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