Cv3/rommap

previous page

Feel free to do some digging.

PRG ROM

The NES File has a header (+0x10) to tell the ROM size. You need to add that value to the PRG offset to get the right address.

Address	Leangth	Type	Description
$0000	1 byte	??
$3eb9	327 byte	FreeSpace	FreeSpace till $3fff (I tested with a play-through of normal quest. Nor sure if I triggered everything I would not use the First FF byte)
$7d68	664 byte	FreeSpace	FreeSpace till $7fff (I tested with a play-through of normal quest. Nor sure if I triggered everything I would not use the First FF byte)
$bec3	317 byte	FreeSpace	FreeSpace till $Bfff (I tested with a play-through of normal quest. Nor sure if I triggered everything.)
$ff01	255 byte	FreeSpace	FreeSpace till $ffff (I tested with a play-through of normal quest. Nor sure if I triggered everything I would not use the First FF byte)
$13deb	533 byte	FreeSpace	FreeSpace till $13fff (I tested with a play-through of normal quest. Nor sure if I triggered everything)
$17f32	206 byte	FreeSpace	FreeSpace till $17fff (I tested with a play-through of normal quest. Nor sure if I triggered everything I would not use the First FF byte)
$1bff3	13 byte	FreeSpace	FreeSpace till $1bfff (I tested with a play-through of normal quest. Nor sure if I triggered everything I would not use the First FF byte)
$1ffcc	52 byte	FreeSpace	FreeSpace till $1ffff (I tested with a play-through of normal quest. Nor sure if I triggered everything)
$23f94	108 byte	FreeSpace	FreeSpace till $23fff (I tested with a play-through of normal quest. Nor sure if I triggered everything I would not use the First FF byte)
$27fed	19 byte	FreeSpace	FreeSpace till $27fff (I tested with a play-through of normal quest. Nor sure if I triggered everything I would not use the First FF byte)
$2ff91	111 byte	FreeSpace	FreeSpace till $2ffff (I tested with a play-through of normal quest. Nor sure if I triggered everything I would not use the First FF byte)
$33676	2442 byte	FreeSpace	FreeSpace till $33fff (I tested with a play-through of normal quest. Nor sure if I triggered everything)
$37e64	412 byte	FreeSpace	FreeSpace till $37fff (I tested with a play-through of normal quest. Nor sure if I triggered everything I would not use the First FF byte)
$3bfac	84 byte	FreeSpace	FreeSpace till $3bfff (I tested with a play-through of normal quest. Nor sure if I triggered everything)
$3c801	255 byte	FreeSpace	FreeSpace till $3c8ff (I tested with a play-through of normal quest. Nor sure if I triggered everything)
$3dc19	999 byte	FreeSpace	FreeSpace till $3dfff (I tested with a play-through of normal quest. Nor sure if I triggered everything I would not use the First FF byte)
$3ffcb	37 byte	FreeSpace	FreeSpace till $3ffef (I tested with a play-through of normal quest. Nor sure if I triggered everything I would not use the First FF byte)

Description of Tables or Content

0x1730 Effect Table (Fog,noise and animation..)

 Table Format:
 AA BB CC DD

 AA=Stage
 BB=Block
 CC=Segment
 DD=Effect 
 
 CPU Bus 0x7d Holds current effect:
 10 Fog 02 02 01
 11 For 02 03 01
 12 High Fog Stage 0e 00 02
 13 Low Fog Stage 0e 02 00
 20 Animation Only,
 23 0c 01 01 ??
 28 Blinking sprites 
 30 Animation and Sound 05 01 00
 31 Water animation 0d 03 00 
 32 WaterEffect(flicker) -36
 33 06 00 00 Mud
 34 06 01 00
 35 06 01 01
 37 06 01 02
 36 04 02 00 BossRoom
 40 Clocktower Stage 2
 41 Animation and Sound 0d 01 00
 50 08 00 00 Water
 51 Forest Stage 02 01 00 and 05 03 00 Water and 08 01 00 .. 09
 71 Rising Water 08 03 00
 80 Falling Bridge 05 03 01
 81 Falling Bridge 0c

Table for progression after the map.

   the pointers to path tables are at 0x29a5 (3 pointers, 2 bytes each)
   the path tables are at 0x29ab, 0x29b4, 0x29ba, 0x2129
   the data in those tables is 010000000000, 020302060001, 070600080000, 0400000500000B00000700010705000900000A00000A00000C00000C00000D00000E
   the table for the area you go to after walking past a big map (not choose a path) is at 0x211d (3 bytes each, not sure how many)

If you like to skip the map after stage one:

0x4171 Table of Screens after Boss

00=Map Walking to next section 01=?? 02=Choosing Path

The most insight in the game was from Opptomon

• check his abandon project/notes

http://www.romhacking.net/abandoned/[55]COA-CV3.7z