tp/libs/JSystem/JAudio2/JASSeqReader.cpp

149 lines
3.0 KiB
C++

/**
* JASSeqReader.cpp
*
*/
#include "JSystem/JAudio2/JASSeqReader.h"
#include "dol2asm.h"
#include "dolphin/types.h"
extern "C" void loopEnd__12JASSeqReaderFv();
/* 80296108-80296148 290A48 0040+00 0/0 2/2 0/0 .text init__12JASSeqReaderFv */
void JASSeqReader::init() {
field_0x00 = 0;
field_0x04 = 0;
field_0x08 = 0;
for (int i = 0; i < 8; i++) {
field_0x0c[i] = 0;
field_0x2c[i] = 0;
}
}
/* 80296148-8029618C 290A88 0044+00 0/0 1/1 0/0 .text init__12JASSeqReaderFPv */
void JASSeqReader::init(void* param_0) {
field_0x00 = (u32*)param_0;
field_0x04 = (u8*)field_0x00;
field_0x08 = 0;
for (int i = 0; i < 8; i++) {
field_0x0c[i] = 0;
field_0x2c[i] = 0;
}
}
/* 8029618C-802961CC 290ACC 0040+00 0/0 3/3 0/0 .text call__12JASSeqReaderFUl */
bool JASSeqReader::call(u32 param_0) {
if (8 <= field_0x08) {
return false;
}
u16* tmp2 = (u16*)field_0x04;
u32 tmp = field_0x08;
field_0x08++;
field_0x0c[tmp] = tmp2;
field_0x04 = (u8*)((int)field_0x00 + param_0);
return true;
}
/* 802961CC-80296210 290B0C 0044+00 0/0 1/1 0/0 .text loopStart__12JASSeqReaderFUl */
bool JASSeqReader::loopStart(u32 param_0) {
if (8 <= field_0x08) {
return false;
}
field_0x0c[field_0x08] = (u16*)field_0x04;
u32 tmp = field_0x08;
field_0x08 = tmp+1;
field_0x2c[tmp] = param_0;
return true;
}
/* 80296210-8029627C 290B50 006C+00 0/0 1/1 0/0 .text loopEnd__12JASSeqReaderFv */
#ifdef NONMATCHING
// not sure. field_0x0c is typed wrong maybe?
int JASSeqReader::loopEnd() {
if (field_0x08 == 0) {
return false;
}
u16 tmp = (u16)field_0x0c[field_0x08];
if (tmp != 0) {
tmp--;
}
if (!tmp) {
field_0x08--;
return true;
}
field_0x0c[field_0x08] = (u16*)tmp;
field_0x04 = (u8*)field_0x0c[field_0x08-1];
return true;
}
#else
#pragma push
#pragma optimization_level 0
#pragma optimizewithasm off
asm bool JASSeqReader::loopEnd() {
nofralloc
#include "asm/JSystem/JAudio2/JASSeqReader/loopEnd__12JASSeqReaderFv.s"
}
#pragma pop
#endif
/* 8029627C-802962B0 290BBC 0034+00 0/0 2/2 0/0 .text ret__12JASSeqReaderFv */
bool JASSeqReader::ret() {
u32 tmp = field_0x08;
if (tmp == 0) {
return false;
}
tmp--;
field_0x08 = tmp;
field_0x04 = (u8*)field_0x0c[tmp];
return true;
}
/* 802962B0-8029631C 290BF0 006C+00 0/0 2/2 0/0 .text readMidiValue__12JASSeqReaderFv */
int JASSeqReader::readMidiValue() {
int byte = readByte();
if (!(byte & 0x80)) {
return byte;
}
byte &= 0x7f;
int i = 0;
while (true) {
if (2 < i) {
return 0;
}
u8 newByte = readByte();
byte = byte << 7;
byte |= newByte & 0x7f;
if (!(newByte & 0x80)) {
break;
}
i++;
}
return byte;
}