etc
/
furnace
mirror of https://github.com/tildearrow/furnace.git
0
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Start BNK

This commit is contained in:
James Alan Nguyen 2022-04-14 21:33:20 +10:00
parent ee14f0fa8c
commit 29ed73a157
2 changed files with 27 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/engine/engine.h
View File

@ -287,6 +287,7 @@ class DivEngine {
void loadVGI(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath);
void loadS3I(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath);
void loadSBI(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath);
void loadBNK(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath);
void loadOPM(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath);
void loadFF(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath);

30
src/engine/fileOpsIns.cpp
View File

@ -30,6 +30,7 @@ enum DivInsFormats {
DIV_INSFORMAT_BTI,
DIV_INSFORMAT_S3I,
DIV_INSFORMAT_SBI,
DIV_INSFORMAT_BNK,
DIV_INSFORMAT_OPM,
DIV_INSFORMAT_FF,
};
@ -447,7 +448,7 @@ void DivEngine::loadS3I(SafeReader& reader, std::vector<DivInstrument*>& ret, St
logE("S3I PCM samples currently not supported.");
}
ins->name = reader.readString(28);
ins->name = (ins->name[0] == '\0') ? stripPath : ins->name;
ins->name = (ins->name.length() == 0) ? stripPath : ins->name;
int s3i_signature = reader.readI();
@ -544,9 +545,8 @@ void DivEngine::loadSBI(SafeReader& reader, std::vector<DivInstrument*>& ret, St
// Ignore rest of file - rest is 'reserved padding'.
reader.seek(0, SEEK_END);
ret.push_back(ins);
}
if (is_4op || is_6op) {
} else if (is_4op || is_6op) {
// Operator placement is different so need to place in correct registers.
// Note: 6op is an unofficial extension of 4op SBIs by Darron Broad (Freq Monster 801).
// We'll only use the 4op portion here for pure OPL3.
@ -624,8 +624,9 @@ void DivEngine::loadSBI(SafeReader& reader, std::vector<DivInstrument*>& ret, St
opC4.sl = ((sbi_C4eg_SR >> 4) & 0xF);
opC4.ws = sbi_C4wave;
// Freq Monster 801 SBIs use a 4op+2op layout
if (is_6op) {
// Freq Monster 801 6op SBIs use a 4+2op layout
// Save the 4op portion before reading the 2op part
ins->name = ins->name + " (4op)";
ret.push_back(ins);
@ -680,6 +681,7 @@ void DivEngine::loadSBI(SafeReader& reader, std::vector<DivInstrument*>& ret, St
// Ignore rest of file once we've read in all we need.
// Note: Freq Monster 801 adds a ton of other additional fields irrelevant to chip registers.
// If instrument transpose is ever supported, we can read it in maybe?
reader.seek(0, SEEK_END);
ret.push_back(ins);
}
@ -690,6 +692,22 @@ void DivEngine::loadSBI(SafeReader& reader, std::vector<DivInstrument*>& ret, St
delete ins;
}
}
void DivEngine::loadBNK(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath) {
DivInstrument* insList[256];
memset(insList, 0, 256 * sizeof(void*));
// First distinguish between GEMS BNK and Adlib BNK
bool is_gems = false; // TODO
bool is_adlib = true; // TODO
if (is_gems) {
logE("GEMS BNK currently not supported.");
} else if (is_adlib) {
// TODO
}
}
void DivEngine::loadFF(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath) {
DivInstrument* insList[256];
@ -902,6 +920,8 @@ std::vector<DivInstrument*> DivEngine::instrumentFromFile(const char* path) {
format=DIV_INSFORMAT_S3I;
} else if (extS==String(".sbi")) {
format=DIV_INSFORMAT_SBI;
} else if (ext5==String(".bnk")) {
format=DIV_INSFORMAT_BNK;
} else if (extS==String(".opm")) {
format=DIV_INSFORMAT_OPM;
} else if (extS==String(".ff")) {
@ -932,6 +952,8 @@ std::vector<DivInstrument*> DivEngine::instrumentFromFile(const char* path) {
case DIV_INSFORMAT_SBI:
loadSBI(reader,ret,stripPath);
break;
case DIV_INSFORMAT_BNK:
loadBNK(reader, ret, stripPath);
case DIV_INSFORMAT_FF:
loadFF(reader,ret,stripPath);
break;