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Decompile guScale

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This commit is contained in:
Ryan Dwyer 2021-01-30 17:34:17 +10:00
parent ecdc29e6d2
commit 7da14bb4c9
2 changed files with 8 additions and 31 deletions
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1
Makefile
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@ -69,6 +69,7 @@ $(B_DIR)/lib/ultra/libc/ll.o: MIPSISET := -mips3 -o32
$(B_DIR)/lib/ultra/libc/llcvt.o: MIPSISET := -mips3 -o32
$(B_DIR)/lib/ultra/gu/ortho.o: OPT_LVL := -O3
$(B_DIR)/lib/ultra/gu/scale.o: OPT_LVL := -O3
$(B_DIR)/lib/ultra/io/ai.o: OPT_LVL := -O1
$(B_DIR)/lib/ultra/io/aisetnextbuf.o: OPT_LVL := -O1
$(B_DIR)/lib/ultra/io/dpctr.o: OPT_LVL := -O1

38
src/lib/ultra/gu/scale.c
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@ -10,35 +10,11 @@ void guScaleF(float mf[4][4], float x, float y, float z)
mf[3][3] = 1;
}
GLOBAL_ASM(
glabel guScale
/* 500e4: 44856000 */ mtc1 $a1,$f12
/* 500e8: 44867000 */ mtc1 $a2,$f14
/* 500ec: 44878000 */ mtc1 $a3,$f16
/* 500f0: 27bdffa8 */ addiu $sp,$sp,-88
/* 500f4: afbf0014 */ sw $ra,0x14($sp)
/* 500f8: afa40058 */ sw $a0,0x58($sp)
/* 500fc: 44056000 */ mfc1 $a1,$f12
/* 50100: 44067000 */ mfc1 $a2,$f14
/* 50104: 44078000 */ mfc1 $a3,$f16
/* 50108: 0c014024 */ jal guScaleF
/* 5010c: 27a40018 */ addiu $a0,$sp,0x18
/* 50110: 27a40018 */ addiu $a0,$sp,0x18
/* 50114: 0c0128d8 */ jal guMtxF2L
/* 50118: 8fa50058 */ lw $a1,0x58($sp)
/* 5011c: 8fbf0014 */ lw $ra,0x14($sp)
/* 50120: 27bd0058 */ addiu $sp,$sp,0x58
/* 50124: 03e00008 */ jr $ra
/* 50128: 00000000 */ nop
/* 5012c: 00000000 */ nop
);
void guScale(Mtx *m, float x, float y, float z)
{
f32 mf[4][4];
// Mismatch: Goal moves a3 to f16, while this stores it in the stack.
//void guScale(Mtx *m, float x, float y, float z)
//{
// f32 mf[4][4];
//
// guScaleF(mf, x, y, z);
//
// guMtxF2L(mf, m);
//}
guScaleF(mf, x, y, z);
guMtxF2L(mf, m);
}