mirror of
https://github.com/zeldaret/oot.git
synced 2024-09-22 21:35:27 +00:00
66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
#include <global.h>
|
|
|
|
volatile u32 sSysCfbFbPtr[2]; //may not be volatile but it currently gets SysCfb_Init closer from matching
|
|
u32 sSysCfbEnd;
|
|
|
|
//small reaordering
|
|
#ifdef NON_MATCHING
|
|
void SysCfb_Init(s32 n64dd)
|
|
{
|
|
if (osMemSize >= 0x800000U)
|
|
{
|
|
//8MB or more memory is installed
|
|
osSyncPrintf("８Ｍバイト以上のメモリが搭載されています\n");
|
|
if (n64dd == 1)
|
|
{
|
|
//RAM 8M mode (N64DD compatible)
|
|
osSyncPrintf("RAM 8M mode (N64DD対応)\n");
|
|
sSysCfbEnd = 0x805FB000;
|
|
}
|
|
else
|
|
{
|
|
//The margin for this version is% dK bytes
|
|
osSyncPrintf("このバージョンのマージンは %dK バイトです\n", (0x4BC00 / 1024));
|
|
sSysCfbEnd = 0x8044BE80;
|
|
}
|
|
}
|
|
else if (osMemSize >= 0x400000U)
|
|
{
|
|
sSysCfbEnd = 0x80400000;
|
|
osSyncPrintf("RAM4M mode\n");
|
|
}
|
|
else
|
|
{
|
|
LogUtils_HungupThread("../sys_cfb.c", 0x162);
|
|
}
|
|
|
|
sSysCfbEnd &= ~0x3f;
|
|
//The final address used by the system is% 08x
|
|
osSyncPrintf("システムが使用する最終アドレスは %08x です\n", sSysCfbEnd);
|
|
sSysCfbFbPtr[0] = sSysCfbEnd - (SCREEN_WIDTH*SCREEN_HEIGHT*4);
|
|
sSysCfbFbPtr[1] = sSysCfbEnd - (SCREEN_WIDTH*SCREEN_HEIGHT*2);
|
|
//Frame buffer addresses are% 08x and% 08x
|
|
osSyncPrintf("フレームバッファのアドレスは %08x と %08x です\n", sSysCfbFbPtr[0], sSysCfbFbPtr[1]);
|
|
}
|
|
#else
|
|
#pragma GLOBAL_ASM("asm/non_matchings/code/sys_cfb/SysCfb_Init.s")
|
|
#endif
|
|
|
|
void SysCfb_Reset()
|
|
{
|
|
sSysCfbFbPtr[0] = 0;
|
|
sSysCfbFbPtr[1] = 0;
|
|
sSysCfbEnd = 0;
|
|
}
|
|
|
|
u32 SysCfb_GetFbPtr(s32 idx)
|
|
{
|
|
if (idx < 2)
|
|
return sSysCfbFbPtr[idx];
|
|
return 0;
|
|
}
|
|
|
|
u32 SysCfb_GetFbEnd()
|
|
{
|
|
return sSysCfbEnd;
|
|
} |