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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.
Hot Chase (Konami, 1988)
Memory Area:hotchase_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x40000-0x41FFF8192RAM(// RAM)
0x60000-0x63FFF16384RAM(// RAM)
0x80000-0x8001118RAM Write, Sharedblitter_w, blitter_regs (// Blitter)
0x100000-0x100FFF4096Device Read/Write 8-bitk051316_1, k051316_device, read, write, 0x00ff (// Background)
0x101000-0x10101F32Device Write 8-bitk051316_1, k051316_device, ctrl_w, 0x00ff (// Background Ctrl)
0x102000-0x102FFF4096Device Read/Write 8-bitk051316_2, k051316_device, read, write, 0x00ff (// Foreground)
0x103000-0x10301F32Device Write 8-bitk051316_2, k051316_device, ctrl_w, 0x00ff (// Foreground Ctrl)
0x110000-0x111FFF8192RAM Write, Sharedhotchase_paletteram16_SBGRBBBBGGGGRRRR_word_w, paletteram
0x120000-0x123FFF16384RAM, Sharedshare1 (// Shared with sub CPU)
0x130000-0x130FFF4096RAM, Sharedspriteram (// Sprites)
0x140000-0x1400012Writehotchase_soundlatch_w (// To sound CPU)
0x140002-0x1400032Writeselected_ip_w (// Selects accelerator / wheel /)
0x140004-0x1400052Writeirqctrl_w (// Main CPU controls the other CPUs)
0x140006-0x1400072Read NOP(// Watchdog reset)
0x140010-0x1400112Read PortIN0 (// Coins + brake + gear)
0x0001Coin 1Active Low
0x0002Coin 2Active Low
0x0008Service 1Active Low
0x0010Start 1Active Low
0x0020ShiftActive Low
0x0040BrakeActive Low
0x0080UnusedActive Low
0x140012-0x1400132Read PortIN1 (// ?? bit 4 from sound cpu)
0x0001Right SWActive Low
0x0002Left SWActive Low
0x0004Thermo SWActive Low
0x0008SpecialActive High
0x0010SpecialActive High
0x00e0UnknownActive Low
0x140014-0x1400152Read PortDSW2 (// DSW 2)
0x0001KMActive High
0x0000M.P.H.Active High
0x0002OffActive High
0x0000OnActive High
0x0004OffActive High
0x0000OnActive High
0x00180Active High
0x00104Active High
0x00088Active High
0x0000cActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
0x140016-0x1400172Read PortDSW1 (// DSW 1)
0x00025C_1CActive High
0x00044C_1CActive High
0x00073C_1CActive High
0x000a2C_1CActive High
0x00015C_3CActive High
0x00063C_2CActive High
0x00034C_3CActive High
0x000f1C_1CActive High
0x00053C_4CActive High
0x00092C_3CActive High
0x000e1C_2CActive High
0x00082C_5CActive High
0x000d1C_3CActive High
0x000c1C_4CActive High
0x000b1C_5CActive High
0x0000Free_PlayActive High
0x00205C_1CActive High
0x00703C_1CActive High
0x00a02C_1CActive High
0x00105C_3CActive High
0x00603C_2CActive High
0x00304C_3CActive High
0x00f01C_1CActive High
0x00503C_4CActive High
0x00902C_3CActive High
0x00e01C_2CActive High
0x00802C_5CActive High
0x00d01C_3CActive High
0x00c01C_4CActive High
0x00b01C_5CActive High
0x00001 Coin/99 CreditsActive High
0x140020-0x1400212Read, Write NOPselected_ip_r, (// Paired with writes to $140003)
0x140022-0x1400232Read NOP(// read and written at $601c0, unknown purpose)
0x140030-0x1400312Write NOP(// signal to cabinet vibration motors?)
Memory Area:hotchase_sound_map
Address RangeLengthFunctionDescription
0x0000-0x07FF2048RAM
0x1000-0x100D14Read/Writehotchase_1_k007232_r, hotchase_1_k007232_w (// 3 x K007232)
0x2000-0x200D14Read/Writehotchase_2_k007232_r, hotchase_2_k007232_w
0x3000-0x300D14Read/Writehotchase_3_k007232_r, hotchase_3_k007232_w
0x4000-0x40078Writehotchase_sound_control_w (// Sound volume, banking, etc.)
0x50001Write NOP(// 0 at start of IRQ service, 1 at end (irq mask?))
0x60001Device Readsoundlatch, generic_latch_8_device, read (// From main CPU (Read on IRQ))
0x70001Writehotchase_sound_hs_w (// ACK signal to main CPU)
0x8000-0xFFFF32768ROM
Memory Area:hotchase_sub_map
Address RangeLengthFunctionDescription
0x0000-0x1FFFF131072ROM(// ROM)
0x20000-0x20FFF4096RAM, Sharedroadram (// Road)
0x40000-0x43FFF16384RAM, Sharedshare1 (// Shared with main CPU)
0x60000-0x60FFF4096RAM(// a table, presumably road related)
0x61000-0x6101F32RAM(// road vregs?)
 

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
0x8000-0xFFFF32768763f01CRC(4fddd061) (Fluke: A8B2)
Memory Area:gfx4
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288763e08CRC(054a9a63) (Fluke: C384)
0x0000-0x1FFFF131072763e15CRC(7110aa43) (Fluke: F816)
0x0000-0x3FFFF262144763e11CRC(9d99a5a7) (Fluke: 0DED)
0x0000-0x3FFFF262144763e10CRC(ca409210) (Fluke: 1495)
0x80000-0xFFFFF524288763e09CRC(c39857db) (Fluke: 0150)
Memory Area:k051316_1
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072763e14CRC(60392aa1) (Fluke: 3ED7)
Memory Area:k051316_2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768763a13CRC(8bed8e0d) (Fluke: A42B)
0x0000-0x7FFF32768763a13CRC(8bed8e0d) (Fluke: A42B)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768763a12CRC(05f1e553) (Fluke: 883C)
0x0000-0x7FFF32768763a12CRC(05f1e553) (Fluke: 883C)
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