hootvopm/hootvopm.py

#!/usr/bin/python3
import sys, getopt

def Error(*args):
    print(sys.argv[0]+":", *args, file=sys.stderr)
    sys.exit(1)

if len(sys.argv) > 1:
    Filename = sys.argv[1]

Options, Args = getopt.getopt(sys.argv[1:], "bot:")

def OptionExist(opt):
    global Options
    f = list(filter(lambda x: x[0] == opt, Options))
    return len(f) >= 1

def GetOption(opt):
    global Options
    f = list(filter(lambda x: x[0] == opt, Options))
    if len(f) == 0: return None
    else: return f[0][1]

if len(Args) >= 1:
    Filename = Args[0]
else:
    Error("no input file")

BinMode = OptionExist("-b")
DataFile = open(Filename,"r" + ("b" if BinMode else "")) if Filename != "-" else sys.stdin
# MiOPMdrv sound bank Paramer Ver2002.04.22 
# LFO: LFRQ AMD PMD WF NFRQ
# @:[Num] [Name]
# CH: PAN	FL CON AMS PMS SLOT NE
# [OPname]: AR D1R D2R	RR D1L	TL	KS MUL DT1 DT2 AMS-EN
Data = [] if not BinMode else DataFile.read()
OpNames = ["M1","C1","M2","C2"]
OpIdx = [0,2,1,3]

if not BinMode:
    for line in DataFile.readlines():
        for byte in line.strip().split(",")[:16]:
            Data.append(int(byte,16))

def PrintChannel(pan, fl, con, ams, pms, slot, ne):
    print("CH:", pan, fl, con, ams, pms, slot, ne)

def PrintOp(op, ar, d1r, d2r, rr, d1l, tl, ks, mul, dt1, dt2, amsen):
    print(OpNames[op] + ":", ar, d1r, d2r, rr, d1l, tl, ks, mul, dt1, dt2, amsen)

def GetFlCon(b):
    return (b & 0b00111000) >> 3, (b & 0b00000111)

def GetAMSPMS(b):
    return (b & 0b00110000) >> 4, (b & 0b00000111)

def GetDT1Mul(b):
    return (b & 0b01110000) >> 4, (b & 0b00001111)

def GetKSAR(b):
    return (b & 0b11000000) >> 6, (b & 0b00011111)

def GetAmsenD1R(b):
    return (b & 0b10000000) >> 7, (b & 0b00011111)

def GetDT2D2R(b):
    return (b & 0b11000000) >> 6, (b & 0b00011111)

def GetD1LRR(b):
    return (b & 0b11110000) >> 4, (b & 0b00001111)

def PrintOPM(data):
    ne   = (data[0xf] & 0b10000000) >> 7
    slot = 120
    pan  = 64
    for i in range(8):
        print("@:%d Ins%d" % (i, i))
        
        print("LFO: 0 0 0 0 0") # no way to get this data... at least for now
        
        meta = data[0x20 + i : 0x3f + i : 8]
        
        fl, con = GetFlCon(meta[0])
        
        pms, ams = GetAMSPMS(meta[3])
        
        PrintChannel(pan, fl, con, ams, pms, slot, ne)
        
        for op in range(4):
            get = lambda x: data[x + i + OpIdx[op]*8]
            
            dt1, mul = GetDT1Mul(get(0x40))
            tl = get(0x60)
            ks, ar = GetKSAR(get(0x80))
            amsen, d1r = GetAmsenD1R(get(0xa0))
            dt2, d2r = GetDT2D2R(get(0xc0))
            d1l, rr = GetD1LRR(get(0xe0))

            PrintOp(op, ar, d1r, d2r, rr, d1l, tl, ks, mul, dt1, dt2, amsen)
        
        print()

def PrintOPNBasic(data, opna = False):
    slot = 120
    pan  = 64
    ne   = 0 # either i'm blind or opn has no noise enable bit (not that i care either way)
    # SR in opn parlance is equivalent to D2R in opm, thanks yamaha
    # likewise, SL -> D1L and DR -> D1R
    ofs = 0x100 if opna else 0
    for i in range(3):
        n = i + (3 if opna else 0)
        print("@:%d Ins%d" % (n, n))
        print("LFO: 0 0 0 0 0") # no way to get this data... at least for now
        
        fl, con = GetFlCon(data[ofs + 0xb0 + i])
        
        ams, pms = GetAMSPMS(data[ofs + 0xb4 + i])
        
        PrintChannel(pan, fl, con, ams, pms, slot, ne)
        
        for op in range(4):
            get = lambda x: data[ofs + x + i + OpIdx[op]*4]
            
            dt1, mul = GetDT1Mul(get(0x30))
            tl = get(0x40)
            ks, ar = GetKSAR(get(0x50))
            amsen, d1r = GetAmsenD1R(get(0x60))
            dt2, d2r = GetDT2D2R(get(0x70))
            d1l, rr = GetD1LRR(get(0x80))
            
            PrintOp(op, ar, d1r, d2r, rr, d1l, tl, ks, mul, dt1, dt2, amsen)

def PrintOPN(data):
    PrintOPNBasic(data)

def PrintOPNA(data):
    PrintOPNBasic(data)
    PrintOPNBasic(data, True)

def PrintRaw(data):
    slot = 120
    pan  = 64
    ne   = 0
    for n in range(0, len(data) // 32):
        ofs = n * 32
        print("@:%d Ins%d" % (n, n))
        print("LFO: 0 0 0 0 0") # no way to get this data... at least for now

        fl, con = GetFlCon(data[ofs+0x18])
        ams, pms = GetAMSPMS(data[ofs+0x19])

        PrintChannel(pan, fl, con, ams, pms, slot, ne)

        for op in range(4):
            get = lambda x: data[ofs + x + OpIdx[op]]
            dt1, mul = GetDT1Mul(get(0x00))
            tl = get(0x04)
            ks, ar = GetKSAR(get(0x08))
            amsen, d1r = GetAmsenD1R(get(0x0C))
            dt2, d2r = GetDT2D2R(get(0x10))
            d1l, rr = GetD1LRR(get(0x14))

            PrintOp(op, ar, d1r, d2r, rr, d1l, tl, ks, mul, dt1, dt2, amsen)

TypeFuncs = {
    "opn": PrintOPN,
    "opna": PrintOPNA,
    "opm": PrintOPM,
    "raw": PrintRaw
}

Type = GetOption("-t")
if Type==None:
    Error("no chip type specified")
if Type not in TypeFuncs:
    Error(Type+":","unknown chip type")

print("// Exported by hootvopm : https://gitlab.com/whutt/hootvopm")
print("// Chip type:",Type)
TypeFuncs[Type.lower()](Data)