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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.
Koi no Hotrock (Konami, 1986)
Memory Area:rockrage_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 */)
0x2400-0x247F128RAM Device Write, Sharedpalette, palette_device, write_indirect, palette
0x2600-0x26078Device Writek007342, k007342_device, vreg_w (/* Video Registers */)
0x2E001Read PortSYSTEM
0x2E011Read PortP1
0x2E021Read PortP2
0x2E031Read PortDSW2
0x2E401Read PortDSW1
0x2E801Writerockrage_sh_irqtrigger_w (/* cause interrupt on audio CPU */)
0x2EC01Device Writewatchdog, watchdog_timer_device, reset_w
0x2F001Writerockrage_vreg_w (/* ??? */)
0x2F401Writerockrage_bankswitch_w (/* bankswitch control */)
0x4000-0x5FFF8192RAM(/* RAM */)
0x6000-0x7FFF8192ROM Bankrombank (/* banked ROM */)
0x8000-0xFFFF32768ROM(/* ROM */)
Memory Area:rockrage_sound_map
Address RangeLengthFunctionDescription
0x20001Device Writevlm, vlm5030_device, data_w (/* VLM5030 */)
0x30001Readrockrage_VLM5030_busy_r (/* VLM5030 */)
0x40001Writerockrage_speech_w (/* VLM5030 */)
0x50001Device Readsoundlatch, generic_latch_8_device, read
0x6000-0x60012Device Read/Writeymsnd, ym2151_device,read,write (/* YM 2151 */)
0x7000-0x77FF2048RAM(/* RAM */)
0x8000-0xFFFF32768ROM(/* ROM */)
 

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
0x8000-0xFFFF32768620k03.11cCRC(9fbefe82) (Fluke: 10D7)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072620k11.7gCRC(7430f6e9),sprites (Fluke: 53DA)
0x20000-0x3FFFF131072620k10.8gCRC(0d1a95ab) (Fluke: 15A8)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x8000-0xFFFF32768620k01.16cCRC(4f5171f7),fixed ROM (Fluke: CDDE)
0x10000-0x1FFFF65536620k02.15cCRC(04c4d8f7),banked ROM (Fluke: C3A2)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256620k07.13gCRC(b6135ee0),layer 0 lookup table (Fluke: 40CF)
0x0100-0x01FF256620k08.12gCRC(b499800c),layer 1 lookup table (Fluke: E368)
0x0200-0x02FF256620k09.11gCRC(9f0e0608),sprite lookup table (Fluke: 7AF8)
Memory Area:vlm
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768620k04.6eCRC(8be969f3) (Fluke: D0FD)
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