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Decompile code_800E6840.c / osAiSetNextBuffer.c (#143)
* Decompile code_800E6840.c / osAiSetNextBuffer.c * move status' assignment outside the condition
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@ -4605,7 +4605,7 @@ glabel func_800E5000
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/* B5C338 800E5198 00022880 */ sll $a1, $v0, 2
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/* B5C33C 800E519C 8C642968 */ lw $a0, 0x2968($v1)
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/* B5C340 800E51A0 AFA30034 */ sw $v1, 0x34($sp)
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/* B5C344 800E51A4 0C039A30 */ jal func_800E68C0
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/* B5C344 800E51A4 0C039A30 */ jal osAiSetNextBuffer
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/* B5C348 800E51A8 AFA6003C */ sw $a2, 0x3c($sp)
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.L800E51AC:
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/* B5C34C 800E51AC 3C028017 */ lui $v0, %hi(D_801755D0) # $v0, 0x8017
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@ -1,82 +0,0 @@
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.include "macro.inc"
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# assembler directives
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.set noat # allow manual use of $at
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.set noreorder # don't insert nops after branches
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.set gp=64 # allow use of 64-bit general purposee registers
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.section .text
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.align 4
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glabel func_800E6840
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/* B5D9E0 800E6840 27BDFFE0 */ addiu $sp, $sp, -0x20
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/* B5D9E4 800E6844 AFBF0014 */ sw $ra, 0x14($sp)
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/* B5D9E8 800E6848 AFA40020 */ sw $a0, 0x20($sp)
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/* B5D9EC 800E684C AFA50024 */ sw $a1, 0x24($sp)
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/* B5D9F0 800E6850 0C0013D0 */ jal osSetIntMask
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/* B5D9F4 800E6854 24040001 */ li $a0, 1
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/* B5D9F8 800E6858 AFA2001C */ sw $v0, 0x1c($sp)
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/* B5D9FC 800E685C 8FA40020 */ lw $a0, 0x20($sp)
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/* B5DA00 800E6860 0C001880 */ jal osInvalDCache
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/* B5DA04 800E6864 8FA50024 */ lw $a1, 0x24($sp)
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/* B5DA08 800E6868 0C0013D0 */ jal osSetIntMask
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/* B5DA0C 800E686C 8FA4001C */ lw $a0, 0x1c($sp)
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/* B5DA10 800E6870 8FBF0014 */ lw $ra, 0x14($sp)
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/* B5DA14 800E6874 27BD0020 */ addiu $sp, $sp, 0x20
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/* B5DA18 800E6878 03E00008 */ jr $ra
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/* B5DA1C 800E687C 00000000 */ nop
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glabel func_800E6880
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/* B5DA20 800E6880 27BDFFE0 */ addiu $sp, $sp, -0x20
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/* B5DA24 800E6884 AFBF0014 */ sw $ra, 0x14($sp)
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/* B5DA28 800E6888 AFA40020 */ sw $a0, 0x20($sp)
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/* B5DA2C 800E688C AFA50024 */ sw $a1, 0x24($sp)
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/* B5DA30 800E6890 0C0013D0 */ jal osSetIntMask
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/* B5DA34 800E6894 24040001 */ li $a0, 1
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/* B5DA38 800E6898 AFA2001C */ sw $v0, 0x1c($sp)
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/* B5DA3C 800E689C 8FA40020 */ lw $a0, 0x20($sp)
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/* B5DA40 800E68A0 0C0011B0 */ jal osWritebackDCache
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/* B5DA44 800E68A4 8FA50024 */ lw $a1, 0x24($sp)
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/* B5DA48 800E68A8 0C0013D0 */ jal osSetIntMask
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/* B5DA4C 800E68AC 8FA4001C */ lw $a0, 0x1c($sp)
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/* B5DA50 800E68B0 8FBF0014 */ lw $ra, 0x14($sp)
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/* B5DA54 800E68B4 27BD0020 */ addiu $sp, $sp, 0x20
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/* B5DA58 800E68B8 03E00008 */ jr $ra
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/* B5DA5C 800E68BC 00000000 */ nop
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glabel func_800E68C0
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/* B5DA60 800E68C0 3C0E8013 */ lui $t6, %hi(D_80130500) # $t6, 0x8013
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/* B5DA64 800E68C4 91CE0500 */ lbu $t6, %lo(D_80130500)($t6)
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/* B5DA68 800E68C8 00857821 */ addu $t7, $a0, $a1
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/* B5DA6C 800E68CC 00801825 */ move $v1, $a0
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/* B5DA70 800E68D0 11C00002 */ beqz $t6, .L800E68DC
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/* B5DA74 800E68D4 31F81FFF */ andi $t8, $t7, 0x1fff
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/* B5DA78 800E68D8 2483E000 */ addiu $v1, $a0, -0x2000
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.L800E68DC:
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/* B5DA7C 800E68DC 17000005 */ bnez $t8, .L800E68F4
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/* B5DA80 800E68E0 3C08A450 */ lui $t0, %hi(D_A450000C) # $t0, 0xa450
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/* B5DA84 800E68E4 24190001 */ li $t9, 1
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/* B5DA88 800E68E8 3C018013 */ lui $at, %hi(D_80130500) # $at, 0x8013
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/* B5DA8C 800E68EC 10000003 */ b .L800E68FC
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/* B5DA90 800E68F0 A0390500 */ sb $t9, %lo(D_80130500)($at)
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.L800E68F4:
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/* B5DA94 800E68F4 3C018013 */ lui $at, %hi(D_80130500) # $at, 0x8013
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/* B5DA98 800E68F8 A0200500 */ sb $zero, %lo(D_80130500)($at)
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.L800E68FC:
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/* B5DA9C 800E68FC 8D02000C */ lw $v0, %lo(D_A450000C)($t0)
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/* B5DAA0 800E6900 3C018000 */ lui $at, 0x8000
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/* B5DAA4 800E6904 00615021 */ addu $t2, $v1, $at
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/* B5DAA8 800E6908 00024800 */ sll $t1, $v0, 0
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/* B5DAAC 800E690C 05210003 */ bgez $t1, .L800E691C
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/* B5DAB0 800E6910 3C0BA450 */ lui $t3, 0xa450
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/* B5DAB4 800E6914 03E00008 */ jr $ra
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/* B5DAB8 800E6918 2402FFFF */ li $v0, -1
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.L800E691C:
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/* B5DABC 800E691C AD6A0000 */ sw $t2, ($t3)
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/* B5DAC0 800E6920 3C0CA450 */ lui $t4, %hi(D_A4500004) # $t4, 0xa450
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/* B5DAC4 800E6924 AD850004 */ sw $a1, %lo(D_A4500004)($t4)
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/* B5DAC8 800E6928 00001025 */ move $v0, $zero
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/* B5DACC 800E692C 03E00008 */ jr $ra
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/* B5DAD0 800E6930 00000000 */ nop
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@ -1,11 +0,0 @@
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.include "macro.inc"
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# assembler directives
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.set noat # allow manual use of $at
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.set noreorder # don't insert nops after branches
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.set gp=64 # allow use of 64-bit general purposee registers
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.section .data
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glabel D_80130500
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.incbin "baserom.z64", 0xBA76A0, 0x10
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@ -1997,7 +1997,7 @@ void func_800E301C(void* callback);
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// ? func_800E6818(?);
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// ? func_800E6840(?);
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// ? func_800E6880(?);
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// ? func_800E68C0(?);
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s32 osAiSetNextBuffer(void *, u32);
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void Audio_NoteSetVelPanReverb(Note* note, NoteSubEu* sub, Reverb* reverb);
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void Audio_NoteSetResamplingRate(NoteSubEu* noteSubEu, f32 resamplingRateInput);
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void Audio_NoteInit(Note* note);
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4
spec
4
spec
@ -442,8 +442,8 @@ beginseg
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include "build/asm/code_800E11F0.o"
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include "build/data/code_800E11F0.data.o"
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include "build/data/code_800E11F0.rodata.o"
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include "build/asm/code_800E6840.o"
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include "build/data/code_800E6840.data.o"
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include "build/src/libultra_code/code_800E6840.o"
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include "build/src/libultra_code/osAiSetNextBuffer.o"
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include "build/src/code/audio_playback.o"
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include "build/asm/code_800E88C0.o"
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include "build/data/code_800E88C0.data.o"
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13
src/libultra_code/code_800E6840.c
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13
src/libultra_code/code_800E6840.c
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@ -0,0 +1,13 @@
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#include <global.h>
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void func_800E6840(void* buf, s32 size) {
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OSIntMask prevMask = osSetIntMask(1);
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osInvalDCache(buf, size);
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osSetIntMask(prevMask);
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}
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void func_800E6880(void* buf, s32 size) {
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OSIntMask prevMask = osSetIntMask(1);
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osWritebackDCache(buf, size);
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osSetIntMask(prevMask);
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}
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26
src/libultra_code/osAiSetNextBuffer.c
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26
src/libultra_code/osAiSetNextBuffer.c
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@ -0,0 +1,26 @@
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#include <global.h>
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#include <ultra64/hardware.h>
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s32 osAiSetNextBuffer(void* buf, u32 size) {
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static u8 D_80130500 = false;
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u32 bufAdjusted = (u32)buf;
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s32 status;
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if (D_80130500) {
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bufAdjusted = (u32)buf - 0x2000;
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}
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if ((((u32)buf + size) & 0x1FFF) == 0) {
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D_80130500 = true;
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} else {
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D_80130500 = false;
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}
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status = HW_REG(AI_STATUS_REG, s32);
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if (status & AI_STATUS_AI_FULL) {
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return -1;
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}
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HW_REG(AI_DRAM_ADDR_REG, u32) = PHYSICAL_TO_VIRTUAL(bufAdjusted);
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HW_REG(AI_LEN_REG, u32) = size;
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return 0;
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}
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