Search

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.
Two Minute Drill (Taito, 1993)
Memory Area:drill_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0x200000-0x20FFFF65536RAM
0x300000-0x3000FF256RAM
0x400000-0x40FFFF65536Read/Writef3_spriteram_r,f3_spriteram_w
0x410000-0x41BFFF49152Read/Writef3_pf_data_r,f3_pf_data_w
0x41C000-0x41DFFF8192Read/Writef3_videoram_r,f3_videoram_w
0x41E000-0x41FFFF8192Read/Writef3_vram_r,f3_vram_w
0x420000-0x42FFFF65536Read/Writef3_lineram_r,f3_lineram_w
0x430000-0x43FFFF65536Read/Writef3_pivot_r,f3_pivot_w
0x460000-0x46000F16Writef3_control_0_w
0x460010-0x46001F16Writef3_control_1_w
0x500000-0x501FFF8192RAM Device Write, Sharedpalette, palette_device, write, palette
0x502022-0x5020232Write NOP(//countinously switches between 0 and 2)
0x600000-0x6000078Device Read/Write 8-bitymsnd, ym2610_device, read, write, 0x00ff
0x60000C-0x60000D2Read/Writedrill_irq_r,drill_irq_w
0x60000E-0x60000F2RAM(// unknown purpose, zeroed at start-up and nothing else)
0x700000-0x70000F16Read/Write, Shareddrill_io_r,drill_io_w, iodata (// i/o)
0x800000-0x8000012Writesensors_w
 

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
0x400000-0x5FFFFF2097152d58-10.ic29CRC(74c87e08) (Fluke: FCCB)
Memory Area:ymsnd
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFFF2097152d58-11.ic31CRC(dc26d58d) (Fluke: 018E)
© Copyright 2009-2025, ClassicSoft, LLC. All rights reserved
Powered by the ClassicSoft Web Content Framework V3