mirror of https://github.com/zeldaret/oot.git
66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
#include "global.h"
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uintptr_t sSysCfbFbPtr[2];
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uintptr_t sSysCfbEnd;
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void SysCfb_Init(s32 n64dd) {
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u32 screenSize;
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uintptr_t tmpFbEnd;
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if (osMemSize >= 0x800000) {
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// "8MB or more memory is installed"
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PRINTF("８Ｍバイト以上のメモリが搭載されています\n");
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tmpFbEnd = 0x8044BE80;
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if (n64dd == 1) {
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PRINTF("RAM 8M mode (N64DD対応)\n"); // "RAM 8M mode (N64DD compatible)"
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#if OOT_DEBUG
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sSysCfbEnd = 0x805FB000;
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#else
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sSysCfbEnd = 0x80600000;
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#endif
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} else {
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// "The margin for this version is %dK bytes"
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PRINTF("このバージョンのマージンは %dK バイトです\n", (0x4BC00 / 1024));
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#if OOT_DEBUG
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sSysCfbEnd = tmpFbEnd;
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#else
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sSysCfbEnd = 0x80400000;
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#endif
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}
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} else if (osMemSize >= 0x400000) {
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PRINTF("RAM4M mode\n");
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sSysCfbEnd = 0x80400000;
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} else {
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LogUtils_HungupThread("../sys_cfb.c", 354);
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}
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screenSize = SCREEN_WIDTH * SCREEN_HEIGHT;
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sSysCfbEnd &= ~0x3F;
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if (1) {}
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// "The final address used by the system is %08x"
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PRINTF("システムが使用する最終アドレスは %08x です\n", sSysCfbEnd);
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sSysCfbFbPtr[0] = sSysCfbEnd - (screenSize * 4);
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sSysCfbFbPtr[1] = sSysCfbEnd - (screenSize * 2);
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// "Frame buffer addresses are %08x and %08x"
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PRINTF("フレームバッファのアドレスは %08x と %08x です\n", sSysCfbFbPtr[0], sSysCfbFbPtr[1]);
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}
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void SysCfb_Reset(void) {
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sSysCfbFbPtr[0] = 0;
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sSysCfbFbPtr[1] = 0;
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sSysCfbEnd = 0;
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}
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void* SysCfb_GetFbPtr(s32 idx) {
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if (idx < 2) {
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return (void*)sSysCfbFbPtr[idx];
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}
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return NULL;
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}
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void* SysCfb_GetFbEnd(void) {
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return (void*)sSysCfbEnd;
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}
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