mirror of
https://gitlab.com/ryandwyer/perfect-dark
synced 2026-09-01 09:22:53 -04:00
Ryan Dwyer
163 lines
4.6 KiB
C
163 lines
4.6 KiB
C
#include "constants.h"
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#if VERSION < VERSION_NTSC_1_0
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long long __d_to_ll(double f)
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{
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return f;
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}
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#endif
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long long __f_to_ll(float f)
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{
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return f;
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}
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#if VERSION < VERSION_NTSC_1_0
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GLOBAL_ASM(
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glabel __d_to_ull
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/* 5ad8: 444ef800 */ cfc1 $t6,$31
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/* 5adc: 24020001 */ addiu $v0,$zero,0x1
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/* 5ae0: 44c2f800 */ ctc1 $v0,$31
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/* 5ae4: 00000000 */ sll $zero,$zero,0x0
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/* 5ae8: 46206125 */ cvt.l.d $f4,$f12
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/* 5aec: 4442f800 */ cfc1 $v0,$31
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/* 5af0: 00000000 */ sll $zero,$zero,0x0
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/* 5af4: 30410004 */ andi $at,$v0,0x4
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/* 5af8: 30420078 */ andi $v0,$v0,0x78
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/* 5afc: 10400014 */ beqz $v0,.NB00005b50
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/* 5b00: 3c0143e0 */ lui $at,0x43e0
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/* 5b04: 44812000 */ mtc1 $at,$f4
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/* 5b08: 24020001 */ addiu $v0,$zero,0x1
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/* 5b0c: 46246101 */ sub.d $f4,$f12,$f4
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/* 5b10: 44c2f800 */ ctc1 $v0,$31
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/* 5b14: 00000000 */ sll $zero,$zero,0x0
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/* 5b18: 46202125 */ cvt.l.d $f4,$f4
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/* 5b1c: 4442f800 */ cfc1 $v0,$31
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/* 5b20: 00000000 */ sll $zero,$zero,0x0
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/* 5b24: 30410004 */ andi $at,$v0,0x4
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/* 5b28: 30420078 */ andi $v0,$v0,0x78
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/* 5b2c: 14400006 */ bnez $v0,.NB00005b48
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/* 5b30: 00000000 */ sll $zero,$zero,0x0
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/* 5b34: 3c0f8000 */ lui $t7,0x8000
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/* 5b38: 000f783c */ dsll32 $t7,$t7,0x0
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/* 5b3c: 44222000 */ dmfc1 $v0,$f4
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/* 5b40: 10000007 */ beqz $zero,.NB00005b60
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/* 5b44: 004f1025 */ or $v0,$v0,$t7
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.NB00005b48:
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/* 5b48: 10000005 */ beqz $zero,.NB00005b60
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/* 5b4c: 2402ffff */ addiu $v0,$zero,-1
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.NB00005b50:
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/* 5b50: 44222000 */ dmfc1 $v0,$f4
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/* 5b54: 00000000 */ sll $zero,$zero,0x0
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/* 5b58: 0440fffb */ bltz $v0,.NB00005b48
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/* 5b5c: 00000000 */ sll $zero,$zero,0x0
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.NB00005b60:
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/* 5b60: 44cef800 */ ctc1 $t6,$31
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/* 5b64: 0002183c */ dsll32 $v1,$v0,0x0
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/* 5b68: 0003183f */ dsra32 $v1,$v1,0x0
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/* 5b6c: 03e00008 */ jr $ra
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/* 5b70: 0002103f */ dsra32 $v0,$v0,0x0
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);
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//unsigned long long __d_to_ull(double d)
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//{
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// return d;
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//}
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#endif
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#if MATCHING
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GLOBAL_ASM(
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glabel __f_to_ull
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/* 5a7c: 444ef800 */ cfc1 $t6,$31
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/* 5a80: 24020001 */ addiu $v0,$zero,0x1
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/* 5a84: 44c2f800 */ ctc1 $v0,$31
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/* 5a88: 00000000 */ nop
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/* 5a8c: 46006125 */ cvt.l.s $f4,$f12
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/* 5a90: 4442f800 */ cfc1 $v0,$31
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/* 5a94: 00000000 */ nop
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/* 5a98: 30410004 */ andi $at,$v0,0x4
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/* 5a9c: 30420078 */ andi $v0,$v0,0x78
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/* 5aa0: 10400014 */ beqz $v0,.L00005af4
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/* 5aa4: 3c015f00 */ lui $at,0x5f00
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/* 5aa8: 44812000 */ mtc1 $at,$f4
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/* 5aac: 24020001 */ addiu $v0,$zero,0x1
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/* 5ab0: 46046101 */ sub.s $f4,$f12,$f4
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/* 5ab4: 44c2f800 */ ctc1 $v0,$31
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/* 5ab8: 00000000 */ nop
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/* 5abc: 46002125 */ cvt.l.s $f4,$f4
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/* 5ac0: 4442f800 */ cfc1 $v0,$31
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/* 5ac4: 00000000 */ nop
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/* 5ac8: 30410004 */ andi $at,$v0,0x4
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/* 5acc: 30420078 */ andi $v0,$v0,0x78
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/* 5ad0: 14400006 */ bnez $v0,.L00005aec
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/* 5ad4: 00000000 */ nop
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/* 5ad8: 3c0f8000 */ lui $t7,0x8000
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/* 5adc: 000f783c */ dsll32 $t7,$t7,0x0
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/* 5ae0: 44222000 */ dmfc1 $v0,$f4
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/* 5ae4: 10000007 */ b .L00005b04
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/* 5ae8: 004f1025 */ or $v0,$v0,$t7
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.L00005aec:
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/* 5aec: 10000005 */ b .L00005b04
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/* 5af0: 2402ffff */ addiu $v0,$zero,-1
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.L00005af4:
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/* 5af4: 44222000 */ dmfc1 $v0,$f4
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/* 5af8: 00000000 */ nop
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/* 5afc: 0440fffb */ bltz $v0,.L00005aec
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/* 5b00: 00000000 */ nop
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.L00005b04:
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/* 5b04: 44cef800 */ ctc1 $t6,$31
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/* 5b08: 0002183c */ dsll32 $v1,$v0,0x0
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/* 5b0c: 0003183f */ dsra32 $v1,$v1,0x0
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/* 5b10: 03e00008 */ jr $ra
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/* 5b14: 0002103f */ dsra32 $v0,$v0,0x0
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);
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#else
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// Mismatch: Goal loads 0x80000000 then shifts it left by 32,
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// while the below stores it in .rodata and loads it.
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unsigned long long __f_to_ull(float f)
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{
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return f;
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}
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#endif
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double __ll_to_d(long long s)
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{
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return s;
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}
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#if VERSION < VERSION_NTSC_1_0
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float __ll_to_f(long long s)
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{
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return s;
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}
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#endif
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#if VERSION < VERSION_NTSC_1_0
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GLOBAL_ASM(
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glabel __ull_to_d
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/* 5c40: afa40000 */ sw $a0,0x0($sp)
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/* 5c44: afa50004 */ sw $a1,0x4($sp)
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/* 5c48: dfae0000 */ ld $t6,0x0($sp)
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/* 5c4c: 44ae2000 */ dmtc1 $t6,$f4
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/* 5c50: 05c10005 */ bgez $t6,.NB00005c68
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/* 5c54: 46a02021 */ cvt.d.l $f0,$f4
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/* 5c58: 3c0141f0 */ lui $at,0x41f0
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/* 5c5c: 44813000 */ mtc1 $at,$f6
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/* 5c60: 00000000 */ sll $zero,$zero,0x0
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/* 5c64: 46260000 */ add.d $f0,$f0,$f6
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.NB00005c68:
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/* 5c68: 03e00008 */ jr $ra
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/* 5c6c: 00000000 */ sll $zero,$zero,0x0
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);
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//double __ull_to_d(unsigned long long u)
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//{
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// return u;
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//}
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#endif
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float __ull_to_f(unsigned long long u)
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{
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return u;
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}
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