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https://github.com/zeldaret/oot
synced 2026-05-24 15:21:04 -04:00
Random
174af7384d
* cleanup libultra * fixes - use quotes instead of <> for includes - add macros for zelda specific thread priorities - fix Makefile - properly format the remaining pfs structs * fix button macros + add CHECK_BTN_ANY/CHECK_BTN_ALL * remove ULTRA_ABS * fix includes * update z_player.c/z_lib.c + run format.sh * merge upstream/master * fix include in En_Goroiwa * fix includes
63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
#include "global.h"
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void __osViSwapContext() {
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register OSViMode* s0;
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register OSViContext* s1;
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u32 origin;
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u32 hStart;
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u32 vstart;
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u32 sp34;
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u32 field;
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register u32 s2;
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field = 0;
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s1 = __osViNext;
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s0 = s1->modep;
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field = HW_REG(VI_V_CURRENT_LINE_REG, u32) & 1;
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s2 = osVirtualToPhysical(s1->buffer);
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origin = (s0->fldRegs[field].origin) + s2;
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if (s1->state & 2) {
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s1->x.scale |= s0->comRegs.xScale & ~0xfff;
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} else {
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s1->x.scale = s0->comRegs.xScale;
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}
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if (s1->state & 4) {
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sp34 = (u32)(s0->fldRegs[field].yScale & 0xfff);
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s1->y.scale = s1->y.factor * sp34;
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s1->y.scale |= s0->fldRegs[field].yScale & ~0xfff;
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} else {
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s1->y.scale = s0->fldRegs[field].yScale;
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}
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vstart = (s0->fldRegs[field].vStart - (__additional_scanline << 0x10)) + __additional_scanline;
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hStart = s0->comRegs.hStart;
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if (s1->state & 0x20) {
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hStart = 0;
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}
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if (s1->state & 0x40) {
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s1->y.scale = 0;
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origin = osVirtualToPhysical(s1->buffer);
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}
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if (s1->state & 0x80) {
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s1->y.scale = (s1->y.offset << 0x10) & 0x3ff0000;
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origin = osVirtualToPhysical(s1->buffer);
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}
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HW_REG(VI_ORIGIN_REG, u32) = origin;
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HW_REG(VI_WIDTH_REG, u32) = s0->comRegs.width;
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HW_REG(VI_BURST_REG, u32) = s0->comRegs.burst;
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HW_REG(VI_V_SYNC_REG, u32) = s0->comRegs.vSync;
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HW_REG(VI_H_SYNC_REG, u32) = s0->comRegs.hSync;
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HW_REG(VI_LEAP_REG, u32) = s0->comRegs.leap;
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HW_REG(VI_H_START_REG, u32) = hStart;
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HW_REG(VI_V_START_REG, u32) = vstart;
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HW_REG(VI_V_BURST_REG, u32) = s0->fldRegs[field].vBurst;
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HW_REG(VI_INTR_REG, u32) = s0->fldRegs[field].vIntr;
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HW_REG(VI_X_SCALE_REG, u32) = s1->x.scale;
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HW_REG(VI_Y_SCALE_REG, u32) = s1->y.scale;
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HW_REG(VI_CONTROL_REG, u32) = s1->features;
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__osViNext = __osViCurr;
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__osViCurr = s1;
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*__osViNext = *__osViCurr;
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}
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