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rcp2mid.c
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// RCP -> Midi Converter
// ---------------------
// Written by Valley Bell
// based on FMP -> Midi Converter
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <stdtype.h>
#ifndef INLINE
#if defined(_MSC_VER)
#define INLINE static __inline
#elif defined(__GNUC__)
#define INLINE static __inline__
#else
#define INLINE static inline
#endif
#endif // INLINE
#ifdef _MSC_VER
#define stricmp _stricmp
#else
#define stricmp strcasecmp
#endif
#include "midi_funcs.h"
typedef struct rcp_string
{
UINT16 maxSize; // maximum size
UINT16 length; // actual length (after trimming spaces)
const char* data;
} RCP_STR;
typedef struct user_sysex_data
{
RCP_STR name;
UINT16 dataLen;
const UINT8* data;
} USER_SYX_DATA;
typedef struct rcp_info
{
UINT8 fileVer;
UINT16 trkCnt;
UINT16 tickRes;
UINT16 tempoBPM;
UINT8 beatNum;
UINT8 beatDen;
UINT8 keySig;
UINT8 playBias;
RCP_STR songTitle;
UINT16 cmntLineSize;
RCP_STR comments;
RCP_STR cm6File;
RCP_STR gsdFile1;
RCP_STR gsdFile2;
USER_SYX_DATA usrSyx[8];
} RCP_INFO;
typedef struct running_note
{
UINT8 midChn;
UINT8 note;
UINT16 remLen;
} RUN_NOTE;
typedef struct _track_info
{
UINT32 startOfs;
UINT32 loopOfs;
UINT32 tickCnt;
UINT32 loopTick;
//UINT16 loopTimes;
} TRK_INFO;
#define MCMD_INI_EXCLUDE 0x00 // exclude initial command
#define MCMD_INI_INCLUDE 0x01 // include initial command
#define MCMD_RET_CMDCOUNT 0x00 // return number of commands
#define MCMD_RET_DATASIZE 0x02 // return number of data bytes
static UINT8 WriteFileData(UINT32 DataLen, const UINT8* Data, const char* FileName);
UINT8 Rcp2Mid(UINT32 rcpLen, const UINT8* rcpData);
static UINT8 RcpTrk2MidTrk(UINT32 rcpLen, const UINT8* rcpData, const RCP_INFO* rcpInf,
UINT32* rcpInPos, FILE_INF* fInf, MID_TRK_STATE* MTS);
static UINT8 PreparseRcpTrack(UINT32 rcpLen, const UINT8* rcpData, const RCP_INFO* rcpInf,
UINT32 startPos, TRK_INFO* trkInf);
static UINT16 GetMultiCmdDataSize(UINT32 rcpLen, const UINT8* rcpData, const RCP_INFO* rcpInf,
UINT32 startPos, UINT8 flags);
static UINT16 ReadMultiCmdData(UINT32 rcpLen, const UINT8* rcpData, const RCP_INFO* rcpInf,
UINT32* rcpInPos, UINT32 bufSize, UINT8* buffer, UINT8 flags);
static UINT16 GetTrimmedLength(UINT16 dataLen, const char* data, char trimChar, UINT8 leaveLast);
static UINT32 ReadRcpStr(RCP_STR* strInfo, UINT16 maxlen, const UINT8* data);
INLINE UINT32 Tempo2Mid(UINT16 bpm, UINT8 scale);
static void RcpTimeSig2Mid(UINT8 buffer[4], UINT8 beatNum, UINT8 beatDen);
static void RcpKeySig2Mid(UINT8 buffer[2], UINT8 rcpKeySig);
static UINT8 val2shift(UINT32 value);
static UINT16 ProcessRcpSysEx(UINT16 syxMaxLen, const UINT8* syxData, UINT8* syxBuffer,
UINT8 param1, UINT8 param2, UINT8 midChn);
static void CheckRunningNotes(FILE_INF* fInf, UINT32* delay);
static UINT8 MidiDelayHandler(FILE_INF* fInf, UINT32* delay);
static void FlushRunningNotes(FILE_INF* fInf, MID_TRK_STATE* MTS);
static UINT16 ReadLE16(const UINT8* data);
static UINT32 ReadLE32(const UINT8* data);
static const UINT8 MT32_PATCH_CHG[0x10] =
{0x41, 0x10, 0x16, 0x12, 0x03, 0x00, 0x00, 0xFF, 0xFF, 0x18, 0x32, 0x0C, 0x00, 0x01, 0xCC, 0xF7};
static UINT32 ROMLen;
static UINT8* ROMData;
static UINT32 MidLen;
static UINT8* MidData;
#define MAX_RUN_NOTES 0x20 // should be more than enough even for the MIDI sequences
static UINT8 RunNoteCnt;
static RUN_NOTE RunNotes[MAX_RUN_NOTES];
static UINT16 NUM_LOOPS = 2;
static UINT8 NO_LOOP_EXT = 0;
static UINT8 BAR_MARKERS = 0;
static UINT8 WOLFTEAM_LOOP = 0;
static UINT8 KEEP_DUMMY_CH = 0;
int main(int argc, char* argv[])
{
int argbase;
FILE* hFile;
UINT8 retVal;
printf("RCP -> Midi Converter\n---------------------\n");
if (argc < 3)
{
printf("Usage: rcp2mid.exe [options] input.bin output.mid\n");
printf("Options:\n");
printf(" -Loops n Loop each track at least n times. (default: 2)\n");
// printf(" -NoLpExt No Loop Extension\n");
// printf(" Do not fill short tracks to the length of longer ones.\n");
printf(" -WtLoop Wolfteam Loop mode (loop from measure 2 on)\n");
printf(" -KeepDummyCh convert data with MIDI channel set to -1\n");
printf(" channel -1 is invalid, some RCPs use it for muting\n");
return 0;
}
MidiDelayCallback = MidiDelayHandler;
argbase = 1;
while(argbase < argc && argv[argbase][0] == '-')
{
if (! stricmp(argv[argbase] + 1, "Loops"))
{
argbase ++;
if (argbase < argc)
{
NUM_LOOPS = (UINT16)strtoul(argv[argbase], NULL, 0);
if (! NUM_LOOPS)
NUM_LOOPS = 2;
}
}
else if (! stricmp(argv[argbase] + 1, "NoLpExt"))
NO_LOOP_EXT = 1;
else if (! stricmp(argv[argbase] + 1, "WtLoop"))
WOLFTEAM_LOOP = 1;
else if (! stricmp(argv[argbase] + 1, "KeepDummyCh"))
KEEP_DUMMY_CH = 1;
else
break;
argbase ++;
}
if (argc < argbase + 2)
{
printf("Not enough arguments.\n");
return 0;
}
hFile = fopen(argv[argbase + 0], "rb");
if (hFile == NULL)
{
printf("Error opening file!\n");
return 1;
}
fseek(hFile, 0x00, SEEK_END);
ROMLen = ftell(hFile);
if (ROMLen > 0x100000) // 1 MB
ROMLen = 0x100000;
fseek(hFile, 0x00, SEEK_SET);
ROMData = (UINT8*)malloc(ROMLen);
fread(ROMData, 0x01, ROMLen, hFile);
fclose(hFile);
retVal = Rcp2Mid(ROMLen, ROMData);
if (! retVal)
WriteFileData(MidLen, MidData, argv[argbase + 1]);
free(MidData); MidData = NULL;
printf("Done.\n");
free(ROMData); ROMData = NULL;
#ifdef _DEBUG
getchar();
#endif
return 0;
}
static UINT8 WriteFileData(UINT32 DataLen, const UINT8* Data, const char* FileName)
{
FILE* hFile;
hFile = fopen(FileName, "wb");
if (hFile == NULL)
{
printf("Error opening %s!\n", FileName);
return 0xFF;
}
fwrite(Data, 0x01, DataLen, hFile);
fclose(hFile);
return 0;
}
UINT8 Rcp2Mid(UINT32 rcpLen, const UINT8* rcpData)
{
UINT8 tempArr[0x20];
RCP_INFO rcpInf;
UINT16 curTrk;
UINT32 inPos;
UINT32 tempLng;
UINT8 retVal;
FILE_INF midFInf;
MID_TRK_STATE MTS;
rcpInf.fileVer = 0xFF;
inPos = 0x00;
if (! strcmp((const char*)&rcpData[inPos], "RCM-PC98V2.0(C)COME ON MUSIC\r\n"))
rcpInf.fileVer = 2;
else if (! strcmp((const char*)&rcpData[inPos], "COME ON MUSIC RECOMPOSER RCP3.0"))
rcpInf.fileVer = 3;
if (rcpInf.fileVer == 0xFF)
return 0x10;
printf("RCP file version %u.\n", rcpInf.fileVer);
midFInf.alloc = 0x20000; // 128 KB should be enough
midFInf.data = (UINT8*)malloc(midFInf.alloc);
midFInf.pos = 0x00;
if (rcpInf.fileVer == 2)
{
ReadRcpStr(&rcpInf.songTitle, 0x40, &rcpData[inPos + 0x020]);
rcpInf.cmntLineSize = 28;
ReadRcpStr(&rcpInf.comments, 0x150, &rcpData[inPos + 0x060]);
rcpInf.tickRes = rcpData[inPos + 0x1C0];
rcpInf.tempoBPM = rcpData[inPos + 0x1C1];
rcpInf.beatNum = rcpData[inPos + 0x1C2];
rcpInf.beatDen = rcpData[inPos + 0x1C3];
rcpInf.keySig = rcpData[inPos + 0x1C4];
rcpInf.playBias = rcpData[inPos + 0x1C5];
// names of additional files
ReadRcpStr(&rcpInf.cm6File, 0x10, &rcpData[inPos + 0x1C6]);
ReadRcpStr(&rcpInf.gsdFile1, 0x10, &rcpData[inPos + 0x1D6]);
rcpInf.gsdFile2.maxSize = rcpInf.gsdFile2.length = 0;
rcpInf.gsdFile2.data = NULL;
rcpInf.trkCnt = rcpData[inPos + 0x1E6];
rcpInf.tickRes |= (rcpData[inPos + 0x1E7] << 8);
// somewhere here it also stores the TONENAME.TB file path
inPos += 0x206;
inPos += 0x20 * 0x10; // skip rhythm definitions
}
else //if (rcpInf.fileVer == 3)
{
ReadRcpStr(&rcpInf.songTitle, 0x80, &rcpData[inPos + 0x020]);
rcpInf.cmntLineSize = 30;
ReadRcpStr(&rcpInf.comments, 0x168, &rcpData[inPos + 0x0A0]);
rcpInf.trkCnt = ReadLE16(&rcpData[inPos + 0x0208]);
rcpInf.tickRes = ReadLE16(&rcpData[inPos + 0x020A]);
rcpInf.tempoBPM = ReadLE16(&rcpData[inPos + 0x020C]);
rcpInf.beatNum = rcpData[inPos + 0x020E];
rcpInf.beatDen = rcpData[inPos + 0x020F];
rcpInf.keySig = rcpData[inPos + 0x0210];
rcpInf.playBias = rcpData[inPos + 0x0211];
// names of additional files
ReadRcpStr(&rcpInf.gsdFile1, 0x10, &rcpData[inPos + 0x298]);
ReadRcpStr(&rcpInf.gsdFile2, 0x10, &rcpData[inPos + 0x2A8]);
ReadRcpStr(&rcpInf.cm6File, 0x10, &rcpData[inPos + 0x2B8]);
inPos += 0x318;
inPos += 0x80 * 0x10; // skip rhythm definitions
}
// In MDPlayer/RCP.cs, allowed values for trkCnt are 18 and 36.
// For RCP files, trkCnt == 0 is also allowed and makes it assume 36 tracks.
// Invalid values result in undefined behaviour due to not setting the rcpVer variable.
// For G36 files, invalid values fall back to 18 tracks.
if (rcpInf.trkCnt == 0)
rcpInf.trkCnt = 36;
WriteMidiHeader(&midFInf, 0x0001, 1 + rcpInf.trkCnt, rcpInf.tickRes);
WriteMidiTrackStart(&midFInf, &MTS);
// song title
if (rcpInf.songTitle.length > 0)
WriteMetaEvent(&midFInf, &MTS, 0x03, rcpInf.songTitle.length, rcpInf.songTitle.data);
// comments
if (rcpInf.comments.length > 0)
{
// The comments section consists of 12 lines with 28 or 30 characters each.
// Lines are padded with spaces, so we have to split them manually.
UINT16 lineStart;
for (lineStart = 0; lineStart < rcpInf.comments.length; lineStart += rcpInf.cmntLineSize)
{
const char* lineData = &rcpInf.comments.data[lineStart];
// Note: Even though comments.length might tell otherwise, I can assume that the buffer
// contains cmntLineSize bytes on the last line. (works fine with all RCP files)
UINT16 lineLen = GetTrimmedLength(rcpInf.cmntLineSize, lineData, ' ', 0);
if (lineLen == 0)
lineLen = 1; // some sequencers remove empty events, so keep at least 1 space
WriteMetaEvent(&midFInf, &MTS, 0x01, lineLen, lineData);
}
}
// tempo
tempLng = Tempo2Mid(rcpInf.tempoBPM, 0x40);
WriteBE32(tempArr, tempLng);
WriteMetaEvent(&midFInf, &MTS, 0x51, 0x03, &tempArr[0x01]);
// time signature
RcpTimeSig2Mid(tempArr, rcpInf.beatNum, rcpInf.beatDen);
WriteMetaEvent(&midFInf, &MTS, 0x58, 0x04, tempArr);
// key signature
RcpKeySig2Mid(tempArr, rcpInf.keySig);
WriteMetaEvent(&midFInf, &MTS, 0x59, 0x02, tempArr);
if (rcpInf.playBias)
printf("Warning: PlayBIAS == %u!\n", rcpInf.playBias);
WriteEvent(&midFInf, &MTS, 0xFF, 0x2F, 0x00);
WriteMidiTrackEnd(&midFInf, &MTS);
// user SysEx data
for (curTrk = 0; curTrk < 8; curTrk ++)
{
USER_SYX_DATA* usrSyx = &rcpInf.usrSyx[curTrk];
inPos += ReadRcpStr(&usrSyx->name, 0x18, &rcpData[inPos]);
usrSyx->data = &rcpData[inPos];
usrSyx->dataLen = GetTrimmedLength(0x18, (const char*)usrSyx->data, (char)0xF7, 0x01);
inPos += 0x18;
}
retVal = 0x00;
for (curTrk = 0; curTrk < rcpInf.trkCnt; curTrk ++)
{
WriteMidiTrackStart(&midFInf, &MTS);
retVal = RcpTrk2MidTrk(rcpLen, rcpData, &rcpInf, &inPos, &midFInf, &MTS);
WriteEvent(&midFInf, &MTS, 0xFF, 0x2F, 0x00);
WriteMidiTrackEnd(&midFInf, &MTS);
if (retVal)
{
if (retVal == 0x01)
{
printf("Early EOF when trying to read track %u!\n", 1 + curTrk);
retVal = 0x00; // assume that early EOF is not an error (trkCnt may be wrong)
}
break;
}
}
MidData = midFInf.data;
MidLen = midFInf.pos;
midFInf.pos = 0x00;
WriteMidiHeader(&midFInf, 0x0001, 1 + curTrk, rcpInf.tickRes);
return retVal;
}
static UINT8 RcpTrk2MidTrk(UINT32 rcpLen, const UINT8* rcpData, const RCP_INFO* rcpInf,
UINT32* rcpInPos, FILE_INF* fInf, MID_TRK_STATE* MTS)
{
UINT32 inPos;
UINT32 trkBasePos;
UINT32 trkEndPos;
UINT32 trkLen;
TRK_INFO trkInf;
UINT32 parentPos;
UINT16 repMeasure;
UINT8 trkID;
UINT8 rhythmMode;
UINT8 midiDev;
UINT8 midChn;
UINT8 transp;
INT8 startTick;
UINT8 trkMute;
UINT8 tempArr[0x40];
RCP_STR trkName;
UINT16 measPosAlloc;
UINT16 measPosCount;
UINT32* measurePos;
UINT16 curBar;
UINT8 trkEnd;
UINT8 cmdType;
UINT8 cmdP1;
UINT8 cmdP2;
UINT16 cmdP0Delay;
UINT16 cmdDurat;
UINT8 loopIdx;
UINT32 loopPPos[8];
UINT32 loopPos[8];
UINT16 loopCnt[8];
UINT8 gsParams[6]; // 0 device ID, 1 model ID, 2 address high, 3 address low
UINT8 xgParams[6]; // 0 device ID, 1 model ID, 2 address high, 3 address low
UINT32 txtBufSize;
UINT8* txtBuffer;
inPos = *rcpInPos;
if (inPos >= rcpLen)
return 0x01;
trkBasePos = inPos;
if (rcpInf->fileVer == 2)
{
trkLen = ReadLE16(&rcpData[inPos]);
// Bits 0/1 are used as 16/17, allowing for up to 256 KB per track.
// This is used by some ItoR.x conversions.
trkLen = (trkLen & ~0x03) | ((trkLen & 0x03) << 16);
inPos += 0x02;
}
else if (rcpInf->fileVer == 3)
{
trkLen = ReadLE32(&rcpData[inPos]);
inPos += 0x04;
}
trkEndPos = trkBasePos + trkLen;
if (trkEndPos > rcpLen)
trkEndPos = rcpLen;
if (inPos + 0x2A > rcpLen)
return 0x01; // not enough bytes to read the header
PreparseRcpTrack(rcpLen, rcpData, rcpInf, trkBasePos, &trkInf);
trkID = rcpData[inPos + 0x00]; // track ID
rhythmMode = rcpData[inPos + 0x01]; // rhythm mode
midChn = rcpData[inPos + 0x02]; // MIDI channel
if (midChn == 0xFF)
{
// When the KeepDummyCh option is off, prevent events from being
// written to the MIDI by setting midiDev to 0xFF.
midiDev = KEEP_DUMMY_CH ? 0x00 : 0xFF;
midChn = 0x00;
}
else
{
midiDev = midChn >> 4;
midChn &= 0x0F;
}
transp = rcpData[inPos + 0x03]; // transposition
startTick = (INT8)rcpData[inPos + 0x04]; // start tick
trkMute = rcpData[inPos + 0x05]; // mute
ReadRcpStr(&trkName, 0x24, &rcpData[inPos + 0x06]); // track name
inPos += 0x2A;
if (trkName.length > 0)
WriteMetaEvent(fInf, MTS, 0x03, trkName.length, trkName.data);
if (midiDev != 0xFF)
{
WriteMetaEvent(fInf, MTS, 0x21, 1, &midiDev); // Meta Event: MIDI Port Prefix
WriteMetaEvent(fInf, MTS, 0x20, 1, &midChn); // Meta Event: MIDI Channel Prefix
}
if (rhythmMode != 0)
printf("Warning Track %u: Rhythm Mode %u!\n", trkID, rhythmMode);
if (transp > 0x80)
{
// known values are: 0x00..0x3F (+0 .. +63), 0x40..0x7F (-64 .. -1), 0x80 (drums)
printf("Warning Track %u: Key 0x%02X!\n", trkID, transp);
transp = 0x00;
}
if (startTick != 0)
printf("Warning Track %u: Start Tick %+d!\n", trkID, startTick);
measPosAlloc = 0x100;
measPosCount = 0x00;
measurePos = (UINT32*)malloc(measPosAlloc * sizeof(UINT32));
txtBufSize = 0x00;
txtBuffer = NULL;
memset(gsParams, 0x00, 6);
memset(xgParams, 0x00, 6);
trkEnd = 0;
parentPos = 0x00;
repMeasure = 0xFFFF;
RunNoteCnt = 0x00;
MTS->midChn = midChn;
MTS->curDly = 0;
loopIdx = 0x00;
curBar = 0;
measurePos[measPosCount] = inPos;
measPosCount ++;
while(inPos < trkEndPos && ! trkEnd)
{
UINT32 prevPos = inPos;
if (rcpInf->fileVer == 2)
{
cmdType = rcpData[inPos + 0x00];
cmdP0Delay = rcpData[inPos + 0x01];
cmdP1 = rcpData[inPos + 0x02];
cmdDurat = cmdP1;
cmdP2 = rcpData[inPos + 0x03];
inPos += 0x04;
}
else if (rcpInf->fileVer == 3)
{
cmdType = rcpData[inPos + 0x00];
cmdP2 = rcpData[inPos + 0x01];
cmdP0Delay = ReadLE16(&rcpData[inPos + 0x02]);
cmdP1 = rcpData[inPos + 0x04];
cmdDurat = ReadLE16(&rcpData[inPos + 0x04]);
inPos += 0x06;
}
if (cmdType < 0x80)
{
UINT8 curNote;
UINT8 curRN;
CheckRunningNotes(fInf, &MTS->curDly);
curNote = (cmdType + transp) & 0x7F;
for (curRN = 0; curRN < RunNoteCnt; curRN ++)
{
if (RunNotes[curRN].note == curNote)
{
// note already playing - set new length
RunNotes[curRN].remLen = (UINT16)MTS->curDly + cmdDurat;
cmdDurat = 0; // prevent adding note below
break;
}
}
// duration == 0 -> no note
if (cmdDurat > 0 && midiDev != 0xFF)
{
WriteEvent(fInf, MTS, 0x90, curNote, cmdP2);
if (RunNoteCnt < MAX_RUN_NOTES)
{
RunNotes[RunNoteCnt].midChn = MTS->midChn;
RunNotes[RunNoteCnt].note = curNote;
RunNotes[RunNoteCnt].remLen = cmdDurat;
RunNoteCnt ++;
}
}
}
else switch(cmdType)
{
case 0x90: case 0x91: case 0x92: case 0x93: // send User SysEx (defined via header)
case 0x94: case 0x95: case 0x96: case 0x97:
if (midiDev == 0xFF)
break;
{
const USER_SYX_DATA* usrSyx = &rcpInf->usrSyx[cmdType & 0x07];
UINT16 syxLen = ProcessRcpSysEx(usrSyx->dataLen, usrSyx->data, tempArr, cmdP1, cmdP2, midChn);
//WriteMetaEvent(fInf, MTS, 0x01, usrSyx->name.length, usrSyx->name.data);
WriteLongEvent(fInf, MTS, 0xF0, syxLen, tempArr);
}
break;
case 0x98: // send SysEx
{
UINT16 syxLen;
// at first, determine the size of the required buffer
syxLen = GetMultiCmdDataSize(rcpLen, rcpData, rcpInf, inPos, MCMD_INI_EXCLUDE | MCMD_RET_DATASIZE);
if (txtBufSize < (UINT32)syxLen)
{
txtBufSize = (syxLen + 0x0F) & ~0x0F; // round up to 0x10
txtBuffer = (UINT8*)realloc(txtBuffer, txtBufSize);
}
// then read input data
syxLen = ReadMultiCmdData(rcpLen, rcpData, rcpInf, &inPos, txtBufSize, txtBuffer, MCMD_INI_EXCLUDE);
if (midiDev == 0xFF)
break;
syxLen = ProcessRcpSysEx(syxLen, txtBuffer, txtBuffer, cmdP1, cmdP2, midChn);
WriteLongEvent(fInf, MTS, 0xF0, syxLen, txtBuffer);
}
break;
//case 0x99: // "OutsideProcessExec"?? (according to MDPlayer)
//case 0xC0: // DX7 Function
//case 0xC1: // DX Parameter
//case 0xC2: // DX RERF
//case 0xC3: // TX Function
//case 0xC5: // FB-01 P Parameter
//case 0xC6: // FB-01 S System
//case 0xC7: // TX81Z V VCED
//case 0xC8: // TX81Z A ACED
//case 0xC9: // TX81Z P PCED
//case 0xCA: // TX81Z S System
//case 0xCB: // TX81Z E EFFECT
//case 0xCC: // DX7-2 R Remote SW
//case 0xCD: // DX7-2 A ACED
//case 0xCE: // DX7-2 P PCED
//case 0xCF: // TX802 P PCED
case 0xD0: // YAMAHA Base Address
xgParams[2] = cmdP1;
xgParams[3] = cmdP2;
break;
case 0xD1: // YAMAHA Device Data
xgParams[0] = cmdP1;
xgParams[1] = cmdP2;
break;
case 0xD2: // YAMAHA Address / Parameter
xgParams[4] = cmdP1;
xgParams[5] = cmdP2;
if (midiDev == 0xFF)
break;
tempArr[0] = 0x43; // YAMAHA ID
memcpy(&tempArr[1], &xgParams[0], 6);
tempArr[7] = 0xF7;
WriteLongEvent(fInf, MTS, 0xF0, 8, tempArr);
break;
case 0xD3: // YAMAHA XG Address / Parameter
xgParams[4] = cmdP1;
xgParams[5] = cmdP2;
if (midiDev == 0xFF)
break;
tempArr[0] = 0x43; // YAMAHA ID
tempArr[1] = 0x10; // Parameter Change
tempArr[2] = 0x4C; // XG
memcpy(&tempArr[3], &xgParams[2], 4);
tempArr[7] = 0xF7;
WriteLongEvent(fInf, MTS, 0xF0, 8, tempArr);
break;
//case 0xDC: // MKS-7
case 0xDD: // Roland Base Address
gsParams[2] = cmdP1;
gsParams[3] = cmdP2;
break;
case 0xDE: // Roland Parameter
gsParams[4] = cmdP1;
gsParams[5] = cmdP2;
if (midiDev == 0xFF)
break;
{
UINT8 chkSum;
UINT8 curParam;
tempArr[0] = 0x41; // Roland ID
tempArr[1] = gsParams[0];
tempArr[2] = gsParams[1];
tempArr[3] = 0x12;
chkSum = 0x00; // initialize checksum
for (curParam = 0; curParam < 4; curParam ++)
{
tempArr[4 + curParam] = gsParams[2 + curParam];
chkSum += gsParams[2 + curParam]; // add to checksum
}
tempArr[8] = (0x100 - chkSum) & 0x7F;
tempArr[9] = 0xF7;
WriteLongEvent(fInf, MTS, 0xF0, 10, tempArr);
}
break;
case 0xDF: // Roland Device
gsParams[0] = cmdP1;
gsParams[1] = cmdP2;
break;
case 0xE2: // set GS instrument
if (midiDev == 0xFF)
break;
WriteEvent(fInf, MTS, 0xB0, 0x00, cmdP2);
WriteEvent(fInf, MTS, 0xC0, cmdP1, 0x00);
break;
case 0xE5: // "Key Scan"
printf("Warning Track %u: Key Scan command found at 0x%04X\n", trkID, prevPos);
break;
case 0xE6: // MIDI channel
//printf("Warning Track %u: Set MIDI Channel command found at 0x%04X\n", trkID, prevPos);
cmdP1 --; // It's same as in the track header, except 1 added.
if (cmdP1 == 0xFF)
{
// When the KeepDummyCh option is off, ignore the event.
// Else set midiDev to 0xFF to prevent events from being written.
if (! KEEP_DUMMY_CH)
{
midiDev = 0xFF;
midChn = 0x00;
}
}
else
{
midiDev = cmdP1 >> 4; // port ID
midChn = cmdP1 & 0x0F; // channel ID
WriteMetaEvent(fInf, MTS, 0x21, 1, &midiDev); // Meta Event: MIDI Port Prefix
WriteMetaEvent(fInf, MTS, 0x20, 1, &midChn); // Meta Event: MIDI Channel Prefix
}
MTS->midChn = midChn;
break;
case 0xE7: // Tempo Modifier
{
UINT32 tempoVal;
if (cmdP2)
printf("Warning Track %u: Interpolated Tempo Change at 0x%04X!\n", trkID, prevPos);
tempoVal = (UINT32)(60000000.0 / (rcpInf->tempoBPM * cmdP1 / 64.0) + 0.5);
tempArr[0] = (tempoVal >> 16) & 0xFF;
tempArr[1] = (tempoVal >> 8) & 0xFF;
tempArr[2] = (tempoVal >> 0) & 0xFF;
WriteMetaEvent(fInf, MTS, 0x51, 0x03, tempArr);
}
break;
case 0xEA: // Channel Aftertouch
if (midiDev == 0xFF)
break;
WriteEvent(fInf, MTS, 0xD0, cmdP1, 0x00);
break;
case 0xEB: // Control Change
if (midiDev == 0xFF)
break;
WriteEvent(fInf, MTS, 0xB0, cmdP1, cmdP2);
break;
case 0xEC: // Instrument
if (midiDev == 0xFF)
break;
if (cmdP1 < 0x80)
{
WriteEvent(fInf, MTS, 0xC0, cmdP1, 0x00);
}
else if (cmdP1 < 0xC0 && (midChn >= 1 && midChn < 9))
{
// set MT-32 instrument from user bank
// used by RCP files from Granada X68000
UINT8 chkSum;
UINT8 curPos;
memcpy(tempArr, MT32_PATCH_CHG, 0x10);
tempArr[0x06] = (midChn - 1) << 4;
tempArr[0x07] = (cmdP1 >> 6) & 0x03;
tempArr[0x08] = (cmdP1 >> 0) & 0x3F;
chkSum = 0x00; // initialize checksum
for (curPos = 0x04; curPos < 0x0E; curPos ++)
chkSum += tempArr[curPos]; // add to checksum
tempArr[0x0E] = (0x100 - chkSum) & 0x7F;
WriteLongEvent(fInf, MTS, 0xF0, 0x10, tempArr);
}
break;
case 0xED: // Note Aftertouch
if (midiDev == 0xFF)
break;
WriteEvent(fInf, MTS, 0xA0, cmdP1, cmdP2);
break;
case 0xEE: // Pitch Bend
if (midiDev == 0xFF)
break;
WriteEvent(fInf, MTS, 0xE0, cmdP1, cmdP2);
break;
case 0xF5: // Key Signature Change
// TODO: find a file that uses this
printf("Warning Track %u: Key Signature Change at 0x%04X!\n", trkID, prevPos);
RcpKeySig2Mid(tempArr, (UINT8)cmdP0Delay);
WriteMetaEvent(fInf, MTS, 0x59, 0x02, tempArr);
break;
case 0xF6: // comment
{
UINT16 txtLen;
// at first, determine the size of the required buffer
txtLen = GetMultiCmdDataSize(rcpLen, rcpData, rcpInf, inPos, MCMD_INI_INCLUDE | MCMD_RET_DATASIZE);
if (txtBufSize < txtLen)
{
txtBufSize = (txtLen + 0x0F) & ~0x0F; // round up to 0x10
txtBuffer = (UINT8*)realloc(txtBuffer, txtBufSize);
}
// then read input data
txtLen = ReadMultiCmdData(rcpLen, rcpData, rcpInf, &inPos, txtBufSize, txtBuffer, MCMD_INI_INCLUDE);
txtLen = GetTrimmedLength(txtLen, (char*)txtBuffer, ' ', 0);
WriteMetaEvent(fInf, MTS, 0x01, txtLen, txtBuffer);
}
cmdP0Delay = 0;
break;
case 0xF7: // continuation of previous command
printf("Warning Track %u: Unexpected continuation command at 0x%04X!\n", trkID, prevPos);
break;
case 0xF8: // Loop End
if (loopIdx == 0)
{
printf("Warning Track %u: Loop End without Loop Start at 0x%04X!\n", trkID, prevPos);
if (BAR_MARKERS)
{
UINT32 txtLen = sprintf((char*)tempArr, "Bad Loop End");
WriteMetaEvent(fInf, MTS, 0x07, txtLen, tempArr);
}
}
else
{
UINT8 takeLoop;
takeLoop = 0;
loopIdx --;
loopCnt[loopIdx] ++;
if (cmdP0Delay == 0)
{
// infinite loop
if (loopCnt[loopIdx] < 0x80 && midiDev != 0xFF)
WriteEvent(fInf, MTS, 0xB0, 0x6F, (UINT8)loopCnt[loopIdx]);
if (loopCnt[loopIdx] < NUM_LOOPS)
takeLoop = 1;
}
else
{
if (loopCnt[loopIdx] < cmdP0Delay)
takeLoop = 1;
}
if (BAR_MARKERS)
{
UINT32 txtLen = sprintf((char*)tempArr, "Loop %u End (%u/%u)",
1 + loopIdx, loopCnt[loopIdx], cmdP0Delay);
WriteMetaEvent(fInf, MTS, 0x07, txtLen, tempArr);
}
if (takeLoop)
{
parentPos = loopPPos[loopIdx];
inPos = loopPos[loopIdx];
loopIdx ++;
}
}
cmdP0Delay = 0;
break;
case 0xF9: // Loop Start
if (BAR_MARKERS)
{
UINT32 txtLen = sprintf((char*)tempArr, "Loop %u Start", 1 + loopIdx);
WriteMetaEvent(fInf, MTS, 0x07, txtLen, tempArr);
}
if (loopIdx >= 8)
{
printf("Error Track %u: Trying to do more than 8 nested loops at 0x%04X!\n", trkID, prevPos);
}
else
{
if (inPos == trkInf.loopOfs && midiDev != 0xFF)
WriteEvent(fInf, MTS, 0xB0, 0x6F, 0);
loopPPos[loopIdx] = parentPos; // required by YS-2･018.RCP
loopPos[loopIdx] = inPos;
loopCnt[loopIdx] = 0;
if (loopIdx > 0 && loopPos[loopIdx] == loopPos[loopIdx - 1])
loopIdx --; // ignore loop command (required by YS-2･018.RCP)
loopIdx ++;
}
cmdP0Delay = 0;
break;
case 0xFC: // repeat previous measure
{
UINT16 measureID;
UINT32 repeatPos;
UINT32 cachedPos;
if (rcpInf->fileVer == 2)
{
measureID = cmdP0Delay;
repeatPos = (cmdP2 << 8) | (cmdP1 << 0);
}
else if (rcpInf->fileVer == 3)
{
measureID = cmdP0Delay;
// cmdDurat == command ID, I have no idea why the first command has ID 0x30
repeatPos = 0x002E + (cmdDurat - 0x0030) * 0x06;
}
cmdP0Delay = 0;
if (BAR_MARKERS)
{
UINT32 txtLen = sprintf((char*)tempArr, "Repeat Bar %u", 1 + measureID);
WriteMetaEvent(fInf, MTS, 0x07, txtLen, tempArr);
}
if (measureID >= measPosCount)
{
printf("Warning Track %u: Trying to repeat invalid bar %u (have %u bars) at 0x%04X!\n",
trkID, measureID, curBar + 1, prevPos);
break;
}
if (measureID == repMeasure)
break; // prevent recursion (just for safety)
cachedPos = measurePos[measureID] - trkBasePos;
if (cachedPos != repeatPos)
printf("Warning Track %u: Repeat Measure %u: offset mismatch (0x%04X != 0x%04X) at 0x%04X!\n",
trkID, measureID, repeatPos, cachedPos, prevPos);
if (! parentPos) // this check was verified to be necessary for some files
parentPos = inPos;
repMeasure = measureID;
if (rcpInf->fileVer == 2)
{
// YS3-25.RCP relies on using the actual offset. (*Some* of its measure numbers are off by 1.)
inPos = trkBasePos + repeatPos;
}
else
{
// For RCP v3 I'm not 100% that the offset calculation is correct, so I'm using cachedPos here.
inPos = trkBasePos + cachedPos;
}
}
break;
case 0xFD: // measure end
if (measPosCount >= 0x8000) // prevent infinite loops (and seg. fault due to overflow in measPosAlloc)
{
trkEnd = 1;
break;
}
if (parentPos)
{
inPos = parentPos;
parentPos = 0x00;
repMeasure = 0xFFFF;
}
if (measPosCount >= measPosAlloc)
{
measPosAlloc *= 2;
measurePos = (UINT32*)realloc(measurePos, measPosAlloc * sizeof(UINT32));
}
measurePos[measPosCount] = inPos;
measPosCount ++;
curBar ++;
cmdP0Delay = 0;
if (BAR_MARKERS)
{
UINT32 txtLen = sprintf((char*)tempArr, "Bar %u", 1 + curBar);
WriteMetaEvent(fInf, MTS, 0x07, txtLen, tempArr);
}
if (WOLFTEAM_LOOP && measPosCount == 2)
{
loopIdx = 0;
if (midiDev != 0xFF)
WriteEvent(fInf, MTS, 0xB0, 0x6F, 0);
loopPPos[loopIdx] = parentPos;
loopPos[loopIdx] = inPos;
loopCnt[loopIdx] = 0;
loopIdx ++;
}
break;
case 0xFE: // track end
trkEnd = 1;
cmdP0Delay = 0;
if (WOLFTEAM_LOOP)
{
loopIdx = 0;
loopCnt[loopIdx] ++;
if (loopCnt[loopIdx] < 0x80 && midiDev != 0xFF)
WriteEvent(fInf, MTS, 0xB0, 0x6F, (UINT8)loopCnt[loopIdx]);
if (loopCnt[loopIdx] < NUM_LOOPS)
{
parentPos = loopPPos[loopIdx];
inPos = loopPos[loopIdx];
loopIdx ++;
trkEnd = 0;
}
}
break;
default:
printf("Warning Track %u: Unhandled RCP command 0x%02X at position 0x%04X!\n", trkID, cmdType, prevPos);
break;
} // end if (cmdType >= 0x80) / switch(cmdType)
MTS->curDly += cmdP0Delay;
} // end while(! trkEnd)
free(txtBuffer);