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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.
Tri-Sports (Bally Midway, 1989)
Memory Area:mcr68_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x60000-0x63FFF16384RAM
0x70000-0x70FFF4096RAM Write, Sharedmcr68_videoram_w, videoram
0x71000-0x71FFF4096RAM
0x80000-0x80FFF4096RAM, Sharedspriteram
0x90000-0x9007F128Device Write, Sharedpalette, palette_device, write, palette
0xA0000-0xA000F16Read/Writemcr68_6840_upper_r, mcr68_6840_upper_w
0xB0000-0xBFFFF65536Device Writewatchdog, watchdog_timer_device, reset16_w
0xD0000-0xDFFFF65536Read PortIN0
0x0001Coin 1Active Low
0x0002Coin 2Active Low
0x000cUnusedActive Low
0x0010TiltActive Low
0x0040Service 1Active Low
0x0080UnknownActive Low
0x0f00UnusedActive Low
0x1000Button 1Active Low
0x2000Button 2Active Low
0xc000UnusedActive Low
0xE0000-0xEFFFF65536Read PortIN1
0x00ffUnusedActive Low
0xff00UnusedActive High
0xF0000-0xFFFFF65536Read PortDSW
0x0007CoinageActive High
0x00024C_1CActive High
0x00033C_1CActive High
0x00062C_1CActive High
0x00071C_1CActive High
0x00051C_2CActive High
0x00041C_3CActive High
0x0001Free_PlayActive High
0x0000Battery OptionsActive High
0x00105Active High
0x00086Active High
0x00187Active High
0x00008Active High
0x0020StandardActive High
0x0000AdvancedActive High
0x0000SlowerActive High
0x0040StandardActive High
0x00803Active High
0x00004Active High
0xff00UnusedActive Low
Memory Area:trisport_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x80000-0x8FFFF65536Readtrisport_port_1_r
0xA0000-0xAFFFF65536Read PortDSW
0x0007CoinageActive High
0x00024C_1CActive High
0x00033C_1CActive High
0x00062C_1CActive High
0x00071C_1CActive High
0x00051C_2CActive High
0x00041C_3CActive High
0x0001Free_PlayActive High
0x0000Battery OptionsActive High
0x00105Active High
0x00086Active High
0x00187Active High
0x00008Active High
0x0020StandardActive High
0x0000AdvancedActive High
0x0000SlowerActive High
0x0040StandardActive High
0x00803Active High
0x00004Active High
0xff00UnusedActive Low
0x100000-0x103FFF16384RAM, Sharednvram
0x120000-0x12007F128Device Write, Sharedpalette, palette_device, write, palette
0x140000-0x1407FF2048RAM, Sharedspriteram
0x160000-0x160FFF4096RAM Write, Sharedmcr68_videoram_w, videoram
0x180000-0x18000F16Read/Writemcr68_6840_upper_r, mcr68_6840_upper_w
0x1A0000-0x1AFFFF65536Writearchrivl_control_w
0x1C0000-0x1CFFFF65536Device Writewatchdog, watchdog_timer_device, reset16_w
0x1E0000-0x1EFFFF65536Read PortIN0
0x0001Coin 1Active Low
0x0002Coin 2Active Low
0x000cUnusedActive Low
0x0010TiltActive Low
0x0040Service 1Active Low
0x0080UnknownActive Low
0x0f00UnusedActive Low
0x1000Button 1Active Low
0x2000Button 2Active Low
0xc000UnusedActive Low
 

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:cvsd:cpu
Address RangeLengthLabel/LocationDescription
0x10000-0x1FFFF65536tri_sports_u4_sl1.u4CRC(0ed8c904) (Fluke: 8737)
0x30000-0x3FFFF65536tri_sports_u19_sl1.u19CRC(b57d7d7e) (Fluke: A151)
0x50000-0x57FFF32768tri_sports_u20_sl1.u20CRC(3ae15c08) (Fluke: 2303)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536tri_sports_e2_la2.e2CRC(f61149a0) (Fluke: 11D9)
0x10000-0x1FFFF65536tri_sports_e1_la2.e1CRC(cf753497) (Fluke: 7D59)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072tri_sports_h15_la2.h15CRC(18a44d43) (Fluke: 8183)
0x20000-0x3FFFF131072tri_sports_h17_la2.h17CRC(874cd237) (Fluke: AA94)
0x40000-0x5FFFF131072tri_sports_h18_la2.h18CRC(f7637a18) (Fluke: C53A)
0x60000-0x7FFFF131072tri_sports_h14_la2.h14CRC(403f9401) (Fluke: AB76)
Memory Area:plds
Address RangeLengthLabel/LocationDescription
0x0000-0x0143324pal20l8.g5PAL is read protected
0x0200-0x02CB204pal20x10.f7PAL is read protected
0x0300-0x03CB204pal20x10.e9PAL is read protected
0x0400-0x0543324pal20l8.d4PAL is read protected
0x0600-0x0703260pal16l8.d6PAL is read protected
0x0800-0x0903260pal16r4a.c11PAL is read protected
0x0A00-0x0B03260pal16r4.e10PAL is read protected
0x0C00-0x0CEA235pls153a.f14CRC(48eed036) (Fluke: 4821)
0x0D00-0x0DEA235pls153a.f15CRC(761c3b56) (Fluke: C665)
0x0E00-0x0EEA235pls153a.e19PAL is read protected
0x1000-0x1103260pal16l8.f8PAL is read protected
0x1200-0x1303260pal16r6a.e11PAL is read protected
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