1 files changed, 0 insertions, 195 deletions
diff --git a/src/gpu_regs.c b/src/gpu_regs.c
deleted file mode 100644
index 3bcc4fd93..000000000
--- a/src/gpu_regs.c
+++ /dev/null
@@ -1,195 +0,0 @@
-#include "global.h"
-#include "gpu_regs.h"
-
-#define GPU_REG_BUF_SIZE 0x60
-
-#define GPU_REG_BUF(offset) (*(u16 *)(&sGpuRegBuffer[offset]))
-#define GPU_REG(offset) (*(vu16 *)(REG_BASE + offset))
-
-#define EMPTY_SLOT 0xFF
-
-static u8 sGpuRegBuffer[GPU_REG_BUF_SIZE];
-static u8 sGpuRegWaitingList[GPU_REG_BUF_SIZE];
-static volatile bool8 sGpuRegBufferLocked;
-static volatile bool8 sShouldSyncRegIE;
-static vu16 sRegIE;
-
-static void CopyBufferedValueToGpuReg(u8 regOffset);
-static void SyncRegIE(void);
-static void UpdateRegDispstatIntrBits(u16 regIE);
-
-void InitGpuRegManager(void)
-{
-    s32 i;
-
-    for (i = 0; i < GPU_REG_BUF_SIZE; i++)
-    {
-        sGpuRegBuffer[i] = 0;
-        sGpuRegWaitingList[i] = EMPTY_SLOT;
-    }
-
-    sGpuRegBufferLocked = FALSE;
-    sShouldSyncRegIE = FALSE;
-    sRegIE = 0;
-}
-
-static void CopyBufferedValueToGpuReg(u8 regOffset)
-{
-    if (regOffset == REG_OFFSET_DISPSTAT)
-    {
-        REG_DISPSTAT &= ~(DISPSTAT_HBLANK_INTR | DISPSTAT_VBLANK_INTR);
-        REG_DISPSTAT |= GPU_REG_BUF(REG_OFFSET_DISPSTAT);
-    }
-    else
-    {
-        GPU_REG(regOffset) = GPU_REG_BUF(regOffset);
-    }
-}
-
-void CopyBufferedValuesToGpuRegs(void)
-{
-    if (!sGpuRegBufferLocked)
-    {
-        s32 i;
-
-        for (i = 0; i < GPU_REG_BUF_SIZE; i++)
-        {
-            u8 regOffset = sGpuRegWaitingList[i];
-            if (regOffset == EMPTY_SLOT)
-                return;
-            CopyBufferedValueToGpuReg(regOffset);
-            sGpuRegWaitingList[i] = EMPTY_SLOT;
-        }
-    }
-}
-
-void SetGpuReg(u8 regOffset, u16 value)
-{
-    if (regOffset < GPU_REG_BUF_SIZE)
-    {
-        u16 vcount;
-
-        GPU_REG_BUF(regOffset) = value;
-        vcount = REG_VCOUNT & 0xFF;
-
-        if ((vcount >= 161 && vcount <= 225) || (REG_DISPCNT & DISPCNT_FORCED_BLANK))
-        {
-            CopyBufferedValueToGpuReg(regOffset);
-        }
-        else
-        {
-            s32 i;
-
-            sGpuRegBufferLocked = TRUE;
-
-            for (i = 0; i < GPU_REG_BUF_SIZE && sGpuRegWaitingList[i] != EMPTY_SLOT; i++)
-            {
-                if (sGpuRegWaitingList[i] == regOffset)
-                {
-                    sGpuRegBufferLocked = FALSE;
-                    return;
-                }
-            }
-
-            sGpuRegWaitingList[i] = regOffset;
-            sGpuRegBufferLocked = FALSE;
-        }
-    }
-}
-
-void SetGpuReg_ForcedBlank(u8 regOffset, u16 value)
-{
-    if (regOffset < GPU_REG_BUF_SIZE)
-    {
-        GPU_REG_BUF(regOffset) = value;
-
-        if (REG_DISPCNT & DISPCNT_FORCED_BLANK)
-        {
-            CopyBufferedValueToGpuReg(regOffset);
-        }
-        else
-        {
-            s32 i;
-
-            sGpuRegBufferLocked = TRUE;
-
-            for (i = 0; i < GPU_REG_BUF_SIZE && sGpuRegWaitingList[i] != EMPTY_SLOT; i++)
-            {
-                if (sGpuRegWaitingList[i] == regOffset)
-                {
-                    sGpuRegBufferLocked = FALSE;
-                    return;
-                }
-            }
-
-            sGpuRegWaitingList[i] = regOffset;
-            sGpuRegBufferLocked = FALSE;
-        }
-    }
-}
-
-u16 GetGpuReg(u8 regOffset)
-{
-    if (regOffset == REG_OFFSET_DISPSTAT)
-        return REG_DISPSTAT;
-
-    if (regOffset == REG_OFFSET_VCOUNT)
-        return REG_VCOUNT;
-
-    return GPU_REG_BUF(regOffset);
-}
-
-void SetGpuRegBits(u8 regOffset, u16 mask)
-{
-    u16 regValue = GPU_REG_BUF(regOffset);
-    SetGpuReg(regOffset, regValue | mask);
-}
-
-void ClearGpuRegBits(u8 regOffset, u16 mask)
-{
-    u16 regValue = GPU_REG_BUF(regOffset);
-    SetGpuReg(regOffset, regValue & ~mask);
-}
-
-static void SyncRegIE(void)
-{
-    if (sShouldSyncRegIE)
-    {
-        u16 temp = REG_IME;
-        REG_IME = 0;
-        REG_IE = sRegIE;
-        REG_IME = temp;
-        sShouldSyncRegIE = FALSE;
-    }
-}
-
-void EnableInterrupts(u16 mask)
-{
-    sRegIE |= mask;
-    sShouldSyncRegIE = TRUE;
-    SyncRegIE();
-    UpdateRegDispstatIntrBits(sRegIE);
-}
-
-void DisableInterrupts(u16 mask)
-{
-    sRegIE &= ~mask;
-    sShouldSyncRegIE = TRUE;
-    SyncRegIE();
-    UpdateRegDispstatIntrBits(sRegIE);
-}
-
-static void UpdateRegDispstatIntrBits(u16 regIE)
-{
-    u16 oldValue = GetGpuReg(REG_OFFSET_DISPSTAT) & (DISPSTAT_HBLANK_INTR | DISPSTAT_VBLANK_INTR);
-    u16 newValue = 0;
-
-    if (regIE & INTR_FLAG_VBLANK)
-        newValue |= DISPSTAT_VBLANK_INTR;
-
-    if (regIE & INTR_FLAG_HBLANK)
-        newValue |= DISPSTAT_HBLANK_INTR;
-
-    if (oldValue != newValue)
-        SetGpuReg(REG_OFFSET_DISPSTAT, newValue);
-}