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{$ifdef NDS_INTERFACE}
const
{$ifdef ARM9}
REG_EXMEMCNT : pcuint16 = pointer($04000204);
{$else}
REG_EXMEMSTAT: pcuint16 = pointer($04000204);
{$endif}
ARM7_MAIN_RAM_PRIORITY = (1 shl 15);
ARM7_OWNS_CARD = (1 shl 11);
ARM7_OWNS_ROM = (1 shl 7);
// Protection register (write-once sadly)
{$ifdef ARM7}
PROTECTION : pcuint32 = pointer($04000308);
{$endif ARM7}
ALLRAM : pcuint8 = pointer($00000000);
MAINRAM8 : pcuint8 = pointer($02000000);
MAINRAM16 : pcuint16 = pointer($02000000);
MAINRAM32 : pcuint32 = pointer($02000000);
// fixme: shared RAM
// GBA_BUS is volatile, while GBAROM is not
GBA_BUS : pcuint16 = pointer($08000000);
GBAROM : pcuint16 = pointer($08000000);
SRAM : pcuint8 = pointer($0A000000);
{$ifdef ARM7}
VRAM : pcuint16 = pointer($06000000);
{$endif ARM7}
type
sGBAHeader = packed record
entryPoint: cuint32;
logo: array [0..155] of cuint8;
title: array [0..11] of cchar;
gamecode: array [0..3] of cchar;
makercode: cuint16;
is96h: cuint8;
unitcode: cuint8;
devicecode: cuint8;
unused: array [0..6] of cuint8;
version: cuint8;
complement: cuint8;
checksum: cuint16;
end;
TGBAHeader = sGBAHeader;
PGBAHeader = ^sGBAHeader;
const
GBA_HEADER : pGBAHeader = pointer($08000000);
type
sNDSHeader = packed record
gameTitle: array [0..11] of cchar;
gameCode: array [0..3] of cchar;
makercode: array [0..1] of cchar;
unitCode: cuint8;
deviceType: cuint8; // type of device in the game card
deviceSize: cuint8; // device capacity (1<<n Mbit)
reserved1: array [0..8] of cuint8;
romversion: cuint8;
flags: cuint8; // auto-boot flag
arm9romOffset: cuint32;
arm9executeAddress: cuint32;
arm9destination: cuint32;
arm9binarySize: cuint32;
arm7romOffset: cuint32;
arm7executeAddress: cuint32;
arm7destination: cuint32;
arm7binarySize: cuint32;
filenameOffset: cuint32;
filenameSize: cuint32;
fatOffset: cuint32;
fatSize: cuint32;
arm9overlaySource: cuint32;
arm9overlaySize: cuint32;
arm7overlaySource: cuint32;
arm7overlaySize: cuint32;
cardControl13: cuint32; // used in modes 1 and 3
cardControlBF: cuint32; // used in mode 2
bannerOffset: cuint32;
secureCRC16: cuint16;
readTimeout: cuint16;
unknownRAM1: cuint32;
unknownRAM2: cuint32;
bfPrime1: cuint32;
bfPrime2: cuint32;
romSize: cuint32;
headerSize: cuint32;
zeros88: array [0..13] of cuint32;
gbaLogo: array [0..155] of cuint8;
logoCRC16: cuint16;
headerCRC16: cuint16;
debugRomSource: cuint32;
debugRomSize: cuint32;
debugRomDestination: cuint32;
offset_0x16C: cuint32;
zero: array [0..143] of cuint8;
end;
tNDSHeader = sNDSHeader;
pNDSHeader = ^tNDSHeader;
const
__NDSHeader : pNDSHeader = pointer($02FFFE00);
type
sNDSBanner = packed record
version: cuint16;
crc: cuint16;
reserved: array [0..27] of cuint8;
icon: array [0..511] of cuint8;
palette: array [0..15] of cuint16;
titles: array [0..5, 0..127] of cuint16;
end;
tNDSBanner = sNDSBanner;
pNDSBanner = ^tNDSBanner;
{$endif NDS_INTERFACE}
{$ifdef ARM9}
{$ifdef NDS_INTERFACE}
const
BUS_OWNER_ARM9 = true;
BUS_OWNER_ARM7 = false;
procedure sysSetCartOwner(arm9: cbool); inline;
procedure sysSetCardOwner(arm9: cbool); inline;
procedure sysSetBusOwners(arm9rom, arm9card: cbool); inline;
{$endif NDS_INTERFACE}
{$ifdef NDS_IMPLEMENTATION}
// Changes only the gba rom bus ownership
procedure sysSetCartOwner(arm9: cbool); inline;
var
i: cint;
begin
if arm9 then
i := 0
else
i := ARM7_OWNS_ROM;
REG_EXMEMCNT^ := (REG_EXMEMCNT^ and not ARM7_OWNS_ROM) or (i);
end;
// Changes only the nds card bus ownership
procedure sysSetCardOwner(arm9: cbool); inline;
var
i: cint;
begin
if arm9 then
i := 0
else
i := ARM7_OWNS_ROM;
REG_EXMEMCNT^ := (REG_EXMEMCNT^ and not ARM7_OWNS_CARD) or (i);
end;
// Changes all bus ownerships
procedure sysSetBusOwners(arm9rom, arm9card: cbool); inline;
var
val1, val2: cuint;
begin
val1 := 0;
val2 := 0;
if not arm9card then
val1 := ARM7_OWNS_CARD;
if not arm9rom then
val2 := ARM7_OWNS_ROM ;
REG_EXMEMCNT^ := (REG_EXMEMCNT^ and not(ARM7_OWNS_CARD or ARM7_OWNS_ROM)) or val1 or val2;
end;
{$endif NDS_IMPLEMENTATION}
{$endif ARM9}
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