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Decompile guOrtho

This commit is contained in:
Ryan Dwyer 2021-01-30 17:33:34 +10:00
parent 5dda8480f6
commit ecdc29e6d2
2 changed files with 8 additions and 39 deletions
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1
Makefile
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@ -68,6 +68,7 @@ $(B_DIR)/lib/ultra/gu/ortho.o: LOOPUNROLL :=
$(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/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

46
src/lib/ultra/gu/ortho.c
View File

@ -21,43 +21,11 @@ void guOrthoF(float mf[4][4], float l, float r, float b, float t, float n, float
}
}
GLOBAL_ASM(
glabel guOrtho
/* 4fdb4: 27bdff98 */ addiu $sp,$sp,-104
/* 4fdb8: 44856000 */ mtc1 $a1,$f12
/* 4fdbc: 44867000 */ mtc1 $a2,$f14
/* 4fdc0: 44878000 */ mtc1 $a3,$f16
/* 4fdc4: c7a40078 */ lwc1 $f4,0x78($sp)
/* 4fdc8: c7a6007c */ lwc1 $f6,0x7c($sp)
/* 4fdcc: c7a80080 */ lwc1 $f8,0x80($sp)
/* 4fdd0: c7aa0084 */ lwc1 $f10,0x84($sp)
/* 4fdd4: afbf0024 */ sw $ra,0x24($sp)
/* 4fdd8: afa40068 */ sw $a0,0x68($sp)
/* 4fddc: 44056000 */ mfc1 $a1,$f12
/* 4fde0: 44067000 */ mfc1 $a2,$f14
/* 4fde4: 44078000 */ mfc1 $a3,$f16
/* 4fde8: 27a40028 */ addiu $a0,$sp,0x28
/* 4fdec: e7a40010 */ swc1 $f4,0x10($sp)
/* 4fdf0: e7a60014 */ swc1 $f6,0x14($sp)
/* 4fdf4: e7a80018 */ swc1 $f8,0x18($sp)
/* 4fdf8: 0c013f18 */ jal guOrthoF
/* 4fdfc: e7aa001c */ swc1 $f10,0x1c($sp)
/* 4fe00: 27a40028 */ addiu $a0,$sp,0x28
/* 4fe04: 0c0128d8 */ jal guMtxF2L
/* 4fe08: 8fa50068 */ lw $a1,0x68($sp)
/* 4fe0c: 8fbf0024 */ lw $ra,0x24($sp)
/* 4fe10: 27bd0068 */ addiu $sp,$sp,0x68
/* 4fe14: 03e00008 */ jr $ra
/* 4fe18: 00000000 */ nop
/* 4fe1c: 00000000 */ nop
);
void guOrtho(Mtx *m, float l, float r, float b, float t, float n, float f, float scale)
{
float mf[4][4];
// Mismatch: Goal moves a3 to f16, while this stores it in the stack.
//void guOrtho(Mtx *m, float l, float r, float b, float t, float n, float f, float scale)
//{
// float mf[4][4];
//
// guOrthoF(mf, l, r, b, t, n, f, scale);
//
// guMtxF2L(mf, m);
//}
guOrthoF(mf, l, r, b, t, n, f, scale);
guMtxF2L(mf, m);
}