piwalker/melonDS
1
0
Fork 0
mirror of https://github.com/melonDS-emu/melonDS.git synced 2025-07-23 06:10:03 -06:00
Code Issues Packages Projects Releases Wiki Activity

better, less hacky, more OOP-friendly scheduler design

Browse Source
This commit is contained in:
Arisotura
2023-11-02 21:04:09 +01:00
parent 5ccd3916ff
commit 70c6750561
14 changed files with 203 additions and 219 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
src/NDSCart.cpp
View File

@ -34,6 +34,12 @@ using Platform::LogLevel;
namespace NDSCart
{
enum
{
ROMTransfer_PrepareData = 0,
ROMTransfer_End
};
// SRAM TODO: emulate write delays???
u16 SPICnt;
@ -1468,6 +1474,10 @@ void CartHomebrew::ReadROM_B7(u32 addr, u32 len, u8* data, u32 offset)
bool Init()
{
NDS::RegisterEventFunc(NDS::Event_ROMTransfer, ROMTransfer_PrepareData, ROMPrepareData);
NDS::RegisterEventFunc(NDS::Event_ROMTransfer, ROMTransfer_End, ROMEndTransfer);
NDS::RegisterEventFunc(NDS::Event_ROMSPITransfer, 0, SPITransferDone);
Cart = nullptr;
return true;
@ -1476,6 +1486,10 @@ bool Init()
void DeInit()
{
Cart = nullptr;
NDS::UnregisterEventFunc(NDS::Event_ROMTransfer, ROMTransfer_PrepareData);
NDS::UnregisterEventFunc(NDS::Event_ROMTransfer, ROMTransfer_End);
NDS::UnregisterEventFunc(NDS::Event_ROMSPITransfer, 0);
}
void Reset()
@ -1967,9 +1981,9 @@ void WriteROMCnt(u32 val)
}
if (datasize == 0)
NDS::ScheduleEvent(NDS::Event_ROMTransfer, false, xfercycle*cmddelay, ROMEndTransfer, 0);
NDS::ScheduleEvent(NDS::Event_ROMTransfer, false, xfercycle*cmddelay, ROMTransfer_End, 0);
else
NDS::ScheduleEvent(NDS::Event_ROMTransfer, false, xfercycle*(cmddelay+4), ROMPrepareData, 0);
NDS::ScheduleEvent(NDS::Event_ROMTransfer, false, xfercycle*(cmddelay+4), ROMTransfer_PrepareData, 0);
}
void AdvanceROMTransfer()
@ -1986,7 +2000,7 @@ void AdvanceROMTransfer()
delay += ((ROMCnt >> 16) & 0x3F);
}
NDS::ScheduleEvent(NDS::Event_ROMTransfer, false, xfercycle*delay, ROMPrepareData, 0);
NDS::ScheduleEvent(NDS::Event_ROMTransfer, false, xfercycle*delay, ROMTransfer_PrepareData, 0);
}
else
ROMEndTransfer(0);
@ -2088,7 +2102,7 @@ void WriteSPIData(u8 val)
// SPI transfers one bit per cycle -> 8 cycles per byte
u32 delay = 8 * (8 << (SPICnt & 0x3));
NDS::ScheduleEvent(NDS::Event_ROMSPITransfer, false, delay, SPITransferDone, 0);
NDS::ScheduleEvent(NDS::Event_ROMSPITransfer, false, delay, 0, 0);
}
}