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