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[Pad] Add scePadDeviceClassParseData 

Co-authored-by: Sekai <140012992+SekaixX@users.noreply.github.com>
This commit is contained in:
ParantezTech 2026-10-08 23:44:41 +03:00
parent 62bbf51bbc
commit 757567bd15
1 changed files with 52 additions and 0 deletions
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52
src/SharpEmu.Libs/Pad/PadExports.cs
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@ -11,6 +11,7 @@ namespace SharpEmu.Libs.Pad;
public static class PadExports
{
private const int OrbisPadErrorInvalidHandle = unchecked((int)0x80920003);
private const int OrbisPadErrorInvalidArgument = unchecked((int)0x80920001);
private const int OrbisPadErrorAlreadyOpened = unchecked((int)0x80920004);
private const int OrbisPadErrorNotInitialized = unchecked((int)0x80920005);
private const int OrbisPadErrorDeviceNotConnected = unchecked((int)0x80920007);
@ -356,6 +357,57 @@ public static class PadExports
: ctx.SetReturn((int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
}
[SysAbiExport(
Nid = "IHPqcbc0zCA",
ExportName = "scePadDeviceClassParseData",
Target = Generation.Gen4 | Generation.Gen5,
LibraryName = "libScePad")]
public static int PadDeviceClassParseData(CpuContext ctx)
{
const int deviceClassDataSize = 24;
const int deviceUniqueDataLengthOffset = 0x6B;
const int deviceUniqueDataOffset = 0x6C;
const int maximumDeviceUniqueDataLength = 12;
var handle = unchecked((int)ctx[CpuRegister.Rdi]);
var padDataAddress = ctx[CpuRegister.Rsi];
var classDataAddress = ctx[CpuRegister.Rdx];
if (!IsOpenPadHandle(handle))
{
return ctx.SetReturn(OrbisPadErrorInvalidHandle);
}
if (padDataAddress == 0 || classDataAddress == 0)
{
return ctx.SetReturn(OrbisPadErrorInvalidArgument);
}
Span<byte> padData = stackalloc byte[PadDataSize];
if (!ctx.Memory.TryRead(padDataAddress, padData))
{
return ctx.SetReturn((int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
}
Span<byte> classData = stackalloc byte[deviceClassDataSize];
classData.Clear();
classData[0x04] = padData[0x4C] != 0 ? (byte)1 : (byte)0;
var uniqueDataLength = Math.Min(
(int)padData[deviceUniqueDataLengthOffset],
maximumDeviceUniqueDataLength);
if (uniqueDataLength > 0)
{
BinaryPrimitives.WriteInt32LittleEndian(classData[0x00..], -1);
classData[0x08] = (byte)uniqueDataLength;
padData.Slice(deviceUniqueDataOffset, uniqueDataLength)
.CopyTo(classData.Slice(0x0C, uniqueDataLength));
}
return ctx.Memory.TryWrite(classDataAddress, classData)
? ctx.SetReturn(0)
: ctx.SetReturn((int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
}
[SysAbiExport(
Nid = "YndgXqQVV7c",
ExportName = "scePadReadState",