Nadir Ahmad

• Variables

  midinum  dw 0
  
  water db 'water.xmi',0
  
  smack db 'smack.xmi',0
  
  midioffset dw 0
  
  hellowav db 'hello.wav',0
  
  firewav db 'gun.wav',0
  
  menuwav db 'menu.wav',0
  
  killedwav db 'killed.wav',0
  
  goodbyewav db 'goodbye.wav',0
  
  dyingwav db 'dying.wav',0
  
  bullethitwav db 'doh.wav',0
  
  sbuf_page   db  ?
  
  sbuf_offset dw  ?
  
  snd_offset  dw  0
  
  sbuf_length dw  0
  
  playing     dw  0
  
  handle      dw  0
  
  loadbuf WaveHdr < >
  

• Procedures

  • playMidi
    • Purpose: To open and play and eXtended MIDI file
    • Input: midioffset: pointer to beginning of filename
    • Output: Plays MIDI music using MIDPAK through sound card
    • Notes: If file is inaccessable, procedure will not play anything
    
    
  • stopMidi
    • Purpose: To stop a playing eXtended MIDI song
    • Input: none
    • Output: none
    
    
  • repeatMidi
    • Purpose: To repeat a eXtended MIDI song once it has ended
    • Input: none
    • Output: none
    • Notes: Once procedure has determined if song has ended, it calls playMidi
    
    
  • soundHandler
    • Purpose: To keep stop sound and clean buffer when sound is done
    • Input: none
    • Output: playing: set to 0 when wav is done
    • Notes: Is called via interrupt when sound is done playing
    
    
  • _initializeSoundSeg
    • Purpose: To calculate larger half of sound segment and set up for SBlib291
    • Input: none
    • Output: sbuf_offset, sbuf_page, sndbuf, snd_offset
    • Notes: Only needs to be called once to initialize
    
    
  • _loadWav
    • Purpose: To open a wav file
    • Input: dx: offset to filename of wavfile
    • Output: sbuf_length: length of sound buffer
    • Notes: If file is inaccessable, procedure will not open anything
    
    
  • _playWav
    • Purpose: To play a wav file
    • Input: dx: offset of filename of wav file
    • Output: Plays wav file through soundblaster or compatible sound card