lowlines

Nitro Color Resource (NCLR)

Category: Nintendo DS

Description: Common color format used in Nintendo DS games.

Author: lowlines

Filename: nclr.xml

Size: 2.81 KB

Date Modified: 07 November 2019

• Nitro Header

  • Type	Name	Offset	Size	Value	Description
    	Magic Stamp	0x0000	4	0x524C434E	Stamp (RLCN) "Nitro CoLor Resource".
    u32	Constant	0x0004	4	0x0100FEFF
    u32	File Size	0x0008	4
    u16	Header Size	0x000C	2	0x10
    u16	# Sections	0x000E	2	1 or 2

• Palette Section (PLTT)

  • Type	Name	Offset	Size	Value	Description
    	Magic Stamp	0x0000	4	0x54544C50	Stamp (TTLP) "PaLeTTe".
    u32	Section Size	0x0004	4
    u16	Bit Depth	0x0008	2		3 = 4-Bits 4 = 8-Bits
    u16	Unknown	0x000A	2		I've seen 0x00 and 0x0A.
    u32	Unknown	0x000C	4		I've seen 0x00 and 0x01.
    u32	Memory Size?	0x0010	4		Does not always match size of data in file. This variable might represent the size in memory. If so palettes might have to be repeated to fill the space in memory.
    u32	Data Offset	0x0014	4	0x10	Relative to start of Section + 0x8.

  • Palette Data (NTFP format)

    BGR555

    Bit 0-4: Red

    Bit 5-9: Green

    Bit 10-14: Blue

    Bit 15: Unused

• Palette Color Map Section (PCMP)
  • Not always present.

  • Type	Name	Offset	Size	Value	Description
    	Magic Stamp	0x0000	4	0x504D4350	Stamp (PMCP) "Palette Color MaP".
    u32	Section Size	0x0004	4
    u16	# Palettes	0x0008	2
    u16	Constant	0x000A	2	0xBEEF
    u32	Constant	0x000C	4	0x8
    Palette Info (times # Palettes)
    u16	Palette Index	0x0000	2