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Memory: Difference between revisions

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Added address for the full TWL .nds header.
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{| class="wikitable" border="1"
 
|-
This page contains information for various structures stored in RAM and elsewhere.
!  Address
The original NTR 0x160 byte .nds header is located at 0x02fffe00. The full TWL 0x1000 byte .nds [[NDS_Format|header]] is located at 0x02ffe000.
!  Size
!  Description
|-
|  0x02fffe00
|  0x160
|  ntrheader
|-
|  0x02ffe000
|  0x1000
|  [[NDS_Format|twlheader]]
|-
|  0x02000400
|  0x128
|  Default RAM twlconfig address
|-
|  0x02fffdfc
|  4
|  Ptr to RAM twlconfig
|}


RAM System settings are normally located at 0x02000400. This struct is pointed to by the ptr at 0x02fffdfc. Structure format:(Sections in this structure not listed here are zero, sample data is included in descriptions.)
RAM twlconfig is loaded to this addr by launcher/sysmenu from [[nand:/shared1/TWLCFG0.dat]].
{| border="1" cellpadding="3" cellspacing="0"
RAM twlconfig structure format:
{| class="wikitable" border="1"
! Offset  !!  Size !! Description
! Offset  !!  Size !! Description
|-
|-
| 0x0 || 0x1 || Unknown, bit 3 is set when wireless comms are enabled, clear when comms are disabled(0x0f)
| 0x0 || 0x1 || Unknown, bit 3 is set when wireless comms are enabled, clear when comms are disabled(0x0f)
|-
|-
| 0x3 || 0x1 || Unknown(0x01)
| 0x3 || 0x1 || Unknown
|-
|-
| 0x5 || 0x1 || Country code, same as Wii country codes
| 0x5 || 0x1 || Country code, same as Wii country codes
|-
|-
| 0x6 || 0x3 || Unknown, byte at 0x6 might be related to country code?(Offset 0x6 US: 0x01 Canada: 0x02 Offset 0x7: 0x09 0x74)
| 0x6 || 0x3 || Unknown, byte at 0x6 might be related to country code?(Offset 0x6 US: 0x01 Canada: 0x02)
|-
|-
| 0xa || 0x2 || u16 unknown(0x33d)
| 0xa || 0x2 || u16 unknown
|-
|-
| 0x10 || 0x1 || Byte unknown(0x01)
| 0x10 || 0x1 || Flags? When bit0 is set, EULA was accepted, when clear it wasn't accepted.
|-
|-
| 0x1a || 0x2 || Unknown, language code?(0x70e for English, 0x20f for French)
| 0x1a || 0x2 || Unknown, language code?(0x70e for English, 0x20f for French)
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| 0x94 || 0x1 || Parental controls flags?(Parental controls fields are all zero when not in use)
| 0x94 || 0x1 || Parental controls flags?(Parental controls fields are all zero when not in use)
|-
|-
| 0x9b || 0x1 || Unknown(0x01)
| 0x9b || 0x1 || Unknown
|-
|-
| 0x9c || 0x1 || Years of age for the highest permitted rating?
| 0x9c || 0x1 || Years of age for the highest permitted rating?
|-
|-
| 0x9e || 0x1 || Unknown(0x06)
| 0x9e || 0x1 || Unknown
|-
|-
| 0xa1 || 0x4 || Parental Controls PIN(ASCII)
| 0xa1 || 0x4 || Parental Controls PIN(ASCII)
Retrieved from "https://dsibrew.org/wiki/Memory"