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#include "global.h"
#include "gx.h"
u32 GXi_DmaId = 3;
vu16 GXi_VRamLockId = 0;
static u16 sDispMode = 0;
static u16 sIsDispOn = TRUE;
ARM_FUNC void GX_Init(){
reg_GX_POWCNT |= 0x8000;
reg_GX_POWCNT = (u16)((reg_GX_POWCNT & ~0x20E) | 0x20E);
reg_GX_POWCNT = (u16)(reg_GX_POWCNT | 0x1);
GX_InitGXState();
s32 temp;
while (GXi_VRamLockId == 0)
{
temp = OS_GetLockID();
if (temp == -3)
{
OS_Terminate();
}
GXi_VRamLockId = (vu16)temp;
}
reg_GX_DISPSTAT = 0x0;
reg_GX_DISPCNT = 0x0;
if (GXi_DmaId != -1)
{
MI_DmaFill32(GXi_DmaId, (void *)®_G2_BG0CNT, 0x0, 0x60);
reg_GX_MASTER_BRIGHT = 0x0;
MI_DmaFill32(GXi_DmaId, (void *)®_GXS_DB_DISPCNT, 0x0, 0x70);
}
else
{
MIi_CpuClear32(0x0, (void *)®_G2_BG0CNT, 0x60);
reg_GX_MASTER_BRIGHT = 0x0;
MIi_CpuClear32(0x0, (void *)®_GXS_DB_DISPCNT, 0x70);
}
reg_G2_BG2PA = 0x100;
reg_G2_BG2PD = 0x100;
reg_G2_BG3PA = 0x100;
reg_G2_BG3PD = 0x100;
reg_G2S_DB_BG2PA = 0x100;
reg_G2S_DB_BG2PD = 0x100;
reg_G2S_DB_BG3PA = 0x100;
reg_G2S_DB_BG3PD = 0x100;
}
ARM_FUNC u32 GX_HBlankIntr(u32 enable){
u32 temp = (u32)(reg_GX_DISPSTAT & 0x10);
if (enable)
{
reg_GX_DISPSTAT |= 0x10;
}
else
{
reg_GX_DISPSTAT &= ~0x10;
}
return temp;
}
ARM_FUNC u32 GX_VBlankIntr(u32 enable){
u32 temp = (u32)(reg_GX_DISPSTAT & 0x8);
if (enable)
{
reg_GX_DISPSTAT |= 0x8;
}
else
{
reg_GX_DISPSTAT &= ~0x8;
}
return temp;
}
ARM_FUNC void GX_DispOff(){
u32 temp = reg_GX_DISPCNT;
sIsDispOn = 0x0;
sDispMode = (u16)((temp & 0x30000) >> 0x10);
reg_GX_DISPCNT = temp & ~0x30000;
}
ARM_FUNC void GX_DispOn(){
sIsDispOn = 0x1;
if (sDispMode)
{
reg_GX_DISPCNT = reg_GX_DISPCNT & ~0x30000 | (sDispMode << 0x10);
}
else
{
reg_GX_DISPCNT = reg_GX_DISPCNT | 0x10000;
}
}
ARM_FUNC void GX_SetGraphicsMode(u32 mode1, u32 mode2, u32 mode3){
u32 temp2 = reg_GX_DISPCNT;
sDispMode = (u16)mode1;
if (!sIsDispOn)
mode1 = 0;
reg_GX_DISPCNT = (mode2 | ((temp2 & 0xFFF0FFF0) | (mode1 << 0x10))) | (mode3 << 0x3);
if (!sDispMode)
sIsDispOn = 0x0;
}
ARM_FUNC void GXS_SetGraphicsMode(u32 mode){
reg_GXS_DB_DISPCNT = reg_GXS_DB_DISPCNT & ~0x7 | mode;
}
ARM_FUNC void GXx_SetMasterBrightness_(vu16 *dst, s32 brightness){
if (!brightness)
{
*dst = 0x0;
}
else if (brightness > 0)
{
*dst = (u16)(0x4000 | brightness);
}
else
{
*dst = (u16)(0x8000 | -brightness);
}
}
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