; FASM.ASM
; --------
; uFMOD public source code release. Provided as-is.
; *** This stub allows compiling uFMOD sources using FASM.
; *** CONSTANTS ***
if UF_FREQ eq 44100
FSOUND_MixRate = 44100
FREQ_40HZ_p = 1DB8Bh
FREQ_40HZ_f = 3B7160h
PCM_format = 3 ; PCM_2_16_44
else
if UF_FREQ eq 22050
FSOUND_MixRate = 22050
FREQ_40HZ_p = 3B716h
FREQ_40HZ_f = 76E2C0h
PCM_format = 9 ; PCM_2_16_22
else
if UF_FREQ eq 48000
else
display 'UF_FREQ not specified (defaulting to 48KHz)',13,10
end if
FSOUND_MixRate = 48000
FREQ_40HZ_p = 1B4E8h
FREQ_40HZ_f = 369D00h
PCM_format = 1 ; PCM_2_16_48
end if
end if
if UF_RAMP eq NONE
RAMP_NONE = 1
RAMP_WEAK = 0
RAMP_STRONG = 0
else
if UF_RAMP eq WEAK
RAMP_NONE = 0
RAMP_WEAK = 1
RAMP_STRONG = 0
else
if UF_RAMP eq STRONG
else
display 'UF_RAMP not specified (defaulting to STRONG)',13,10
end if
RAMP_NONE = 0
RAMP_WEAK = 0
RAMP_STRONG = 1
end if
end if
UCODE equ 0
if UF_MODE eq UNSAFE
display 'WARNING! Unsafe mod is ON. Library may crash while loading damaged XM tracks!',13,10
CHK4VALIDITY = 0
AC97SND_ON = 0
else
CHK4VALIDITY = 1
if UF_MODE eq AC97SND
AC97SND_ON = 1
else
AC97SND_ON = 0
end if
end if
if NOLINKER
else
format MS COFF
section '.text' code readable executable
end if
; *** STRUCTS ***
; Sample type - contains info on sample
struc FSOUND_SAMPLE{
; Don't change order .:.
._length dd ? ; sample length
.loopstart dd ? ; loop start
.looplen dd ? ; loop length
.defvol db ? ; default volume
.finetune db ? ; finetune value from -128 to 127
.bytes db ? ; type [b 0-1] : 0 - no loop
; 1 - forward loop
; 2 - bidirectional loop (aka ping-pong)
; [b 4] : 0 - 8-bit sample data
; 1 - 16-bit sample data
.defpan db ? ; default pan value from 0 to 255
.relative db ? ; relative note (signed value)
.Resved db ? ; reserved, known values: 00h - regular delta packed sample data
; ADh - ModPlug 4-bit ADPCM packed sample data
; .:.
.loopmode db ?
._align db ?
.buff db ?,? ; sound data
}
virtual at 0
FSOUND_SAMPLE FSOUND_SAMPLE
FSOUND_SAMPLE_size = $-FSOUND_SAMPLE
end virtual
; Channel type - contains information on a mixing channel
struc FSOUND_CHANNEL{
.actualvolume dd ? ; driver level current volume
.actualpan dd ? ; driver level panning value
.fsampleoffset dd ? ; sample offset (sample starts playing from here)
.leftvolume dd ? ; mixing information. adjusted volume for left channel (panning involved)
.rightvolume dd ? ; mixing information. adjusted volume for right channel (panning involved)
.mixpos dd ? ; mixing information. high part of 32:32 fractional position in sample
.speedlo dd ? ; mixing information. playback rate - low part fractional
.speedhi dd ? ; mixing information. playback rate - high part fractional
.ramp_lefttarget dw ?
.ramp_righttarget dw ?
.ramp_leftspeed dd ?
.ramp_rightspeed dd ?
; Don't change order .:.
.fsptr dd ? ; pointer to FSOUND_SAMPLE currently playing sample
.mixposlo dd ? ; mixing information. low part of 32:32 fractional position in sample
.ramp_leftvolume dd ?
.ramp_rightvolume dd ?
.ramp_count dw ?
.speeddir db ?,? ; mixing information. playback direction - forwards or backwards
; .:.
}
virtual at 0
FSOUND_CHANNEL FSOUND_CHANNEL
FSOUND_CHANNEL_size = $-FSOUND_CHANNEL
end virtual
; Single note type - contains info on 1 note in a pattern
struc FMUSIC_NOTE{
.unote db ? ; note to play at (0-97) 97=keyoff
.number db ? ; sample being played (0-128)
.uvolume db ? ; volume column value (0-64) 255=no volume
.effect db ? ; effect number (0-1Ah)
.eparam db ? ; effect parameter (0-255)
}
virtual at 0
FMUSIC_NOTE FMUSIC_NOTE
FMUSIC_NOTE_size = $-FMUSIC_NOTE
end virtual
; Pattern data type
struc FMUSIC_PATTERN{
.rows dw ?
.patternsize dw ?
.data dd ? ; pointer to FMUSIC_NOTE
}
virtual at 0
FMUSIC_PATTERN FMUSIC_PATTERN
FMUSIC_PATTERN_size = $-FMUSIC_PATTERN
end virtual
; Multi sample extended instrument
struc FMUSIC_INSTRUMENT{
.sample rd 16 ; 16 pointers to FSOUND_SAMPLE per instrument
; Don't change order .:.
.keymap rb 96 ; sample keymap assignments
.VOLPoints rw 24 ; volume envelope points
.PANPoints rw 24 ; panning envelope points
.VOLnumpoints db ? ; number of volume envelope points
.PANnumpoints db ? ; number of panning envelope points
.VOLsustain db ? ; volume sustain point
.VOLLoopStart db ? ; volume envelope loop start
.VOLLoopEnd db ? ; volume envelope loop end
.PANsustain db ? ; panning sustain point
.PANLoopStart db ? ; panning envelope loop start
.PANLoopEnd db ? ; panning envelope loop end
.VOLtype db ? ; type of envelope,bit 0:On 1:Sustain 2:Loop
.PANtype db ? ; type of envelope,bit 0:On 1:Sustain 2:Loop
.VIBtype db ? ; instrument vibrato type
.VIBsweep db ? ; time it takes for vibrato to fully kick in
.iVIBdepth db ? ; depth of vibrato
.VIBrate db ? ; rate of vibrato
.VOLfade dw ? ; fade out value
; .:.
}
virtual at 0
FMUSIC_INSTRUMENT FMUSIC_INSTRUMENT
FMUSIC_INSTRUMENT_size = $-FMUSIC_INSTRUMENT
end virtual
; Channel type - contains information on a mod channel
struc FMUSIC_CHANNEL{
.note db ? ; last note set in channel
.samp db ? ; last sample set in channel
.notectrl db ? ; flags for DoFlags proc
.inst db ? ; last instrument set in channel
.cptr dd ? ; pointer to FSOUND_CHANNEL system mixing channel
.freq dd ? ; current mod frequency period for this channel
.volume dd ? ; current mod volume for this channel
.voldelta dd ? ; delta for volume commands... tremolo/tremor, etc
.freqdelta dd ? ; delta for frequency commands... vibrato/arpeggio, etc
.pan dd ? ; current mod pan for this channel
; Don't change order .:.
.envvoltick dd ? ; tick counter for envelope position
.envvolpos dd ? ; envelope position
.envvoldelta dd ? ; delta step between points
.envpantick dd ? ; tick counter for envelope position
.envpanpos dd ? ; envelope position
.envpandelta dd ? ; delta step between points
.ivibsweeppos dd ? ; instrument vibrato sweep position
.ivibpos dd ? ; instrument vibrato position
.keyoff db ?,? ; flag whether keyoff has been hit or not
.envvolstopped db ? ; flag to say whether envelope has finished or not
.envpanstopped db ? ; flag to say whether envelope has finished or not
; .:.
.envvolfrac dd ? ; fractional interpolated envelope volume
.envvol dd ? ; final interpolated envelope volume
.fadeoutvol dd ? ; volume fade out
.envpanfrac dd ? ; fractional interpolated envelope pan
.envpan dd ? ; final interpolated envelope pan
.period dd ? ; last period set in channel
.sampleoffset dd ? ; sample offset for this channel in SAMPLES
.portatarget dd ? ; note to porta to
.patloopno db ?,?,?,? ; pattern loop variables for effect E6x
.patlooprow dd ?
.realnote db ? ; last realnote set in channel
.recenteffect db ? ; previous row's effect... used to correct tremolo volume
.portaupdown db ? ; last porta up/down value
db ? ; unused
.xtraportadown db ? ; last porta down value
.xtraportaup db ? ; last porta up value
.volslide db ? ; last volume slide value
.panslide db ? ; pan slide parameter
.retrigx db ? ; last retrig volume slide used
.retrigy db ? ; last retrig tick count used
.portaspeed db ? ; porta speed
.vibpos db ? ; vibrato position
.vibspeed db ? ; vibrato speed
.vibdepth db ? ; vibrato depth
.tremolopos db ? ; tremolo position
.tremolospeed db ? ; tremolo speed
.tremolodepth db ? ; tremolo depth
.tremorpos db ? ; tremor position
.tremoron db ? ; remembered parameters for tremor
.tremoroff db ? ; remembered parameters for tremor
.wavecontrol db ? ; waveform type for vibrato and tremolo (4bits each)
.finevslup db ? ; parameter for fine volume slide down
.fineportaup db ? ; parameter for fine porta slide up
.fineportadown db ? ; parameter for fine porta slide down
}
virtual at 0
FMUSIC_CHANNEL FMUSIC_CHANNEL
FMUSIC_CHANNEL_size = $-FMUSIC_CHANNEL
end virtual
; Song type - contains info on song
struc FMUSIC_MODULE{
; Don't change order .:.
.pattern dd ? ; pointer to FMUSIC_PATTERN array for this song
.instrument dd ? ; pointer to FMUSIC_INSTRUMENT array for this song
.mixer_samplesleft dd ?
.globalvolume dd ? ; global mod volume
.tick dd ? ; current mod tick
.speed dd ? ; speed of song in ticks per row
.order dd ? ; current song order position
.row dd ? ; current row in pattern
.patterndelay dd ? ; pattern delay counter
.nextorder dd ? ; current song order position
.nextrow dd ? ; current row in pattern
.unused1 dd ?
.numchannels dd ? ; number of channels
.Channels dd ? ; channel pool
.uFMOD_Ch dd ? ; channel array for this song
.mixer_samplespertick dd ?
.numorders dw ? ; number of orders (song length)
.restart dw ? ; restart position
.numchannels_xm db ?
.globalvsl db ? ; global mod volume
.numpatternsmem dw ? ; number of allocated patterns
.numinsts dw ? ; number of instruments
.flags dw ? ; flags such as linear frequency, format specific quirks, etc
.defaultspeed dw ?
.defaultbpm dw ?
.orderlist rb 256 ; pattern playing order list
; .:.
}
virtual at 0
FMUSIC_MODULE FMUSIC_MODULE
FMUSIC_MODULE_size = $-FMUSIC_MODULE
end virtual
OFFSET equ
PTR equ
endif equ end if
include 'ufmod.asm'
include 'core.asm'
if NOLINKER
uFMOD_IMG_END: ; End of uFMOD's code. BSS follows.
align 16
else
section '.bss' readable writeable align 16
end if
; Don't change order!
_mod rb FMUSIC_MODULE_size ; currently playing track
mmt rd 3
ufmod_heap dd ?
dd ? ; unused
if AC97SND_ON
extrn hSound
dd ?
else
hSound dd ?
endif
hBuff dd ?
SW_Exit dd ?
; mix buffer memory block (align 16!)
MixBuf rb FSOUND_BlockSize*8
ufmod_noloop db ?
ufmod_pause_ db ?
mix_endflag rb 2
mmf rd 4
ufmod_vol dd ? ; global volume scale
; * LPCALLBACKS *
uFMOD_fopen dd ?
uFMOD_fread dd ?
file_struct rd 7
cache_offset dd ?
if INFO_API_ON
time_ms dd ?
L_vol dw ? ; L channel RMS volume
R_vol dw ? ; R channel RMS volume
s_row dw ?
s_order dw ?
szTtl rb 24
end if
DummySamp rb FSOUND_SAMPLE_size