mirror of https://github.com/nmlgc/ReC98.git
41 lines
680 B
NASM
41 lines
680 B
NASM
|
public SND_DELAY_UNTIL_MEASURE
|
||
|
|
snd_delay_until_measure proc far
|
||
|
|
|
||
|
|
@@frames_if_no_bgm = word ptr 6
|
||
|
|
@@measure = word ptr 8
|
||
|
|
|
||
|
|
push bp
|
||
|
|
mov bp, sp
|
||
|
|
if GAME eq 4
|
||
|
|
cmp _snd_bgm_mode, SND_BGM_OFF
|
||
|
|
else
|
||
|
|
cmp _snd_active, 0
|
||
|
|
endif
|
||
|
|
jnz short @@retry
|
||
|
|
push [bp+@@frames_if_no_bgm]
|
||
|
|
nopcall frame_delay
|
||
|
|
pop bp
|
||
|
|
retf 4
|
||
|
|
|
||
|
|
@@retry:
|
||
|
|
mov ah, KAJA_GET_SONG_MEASURE
|
||
|
|
if GAME eq 4
|
||
|
|
cmp _snd_bgm_mode, SND_BGM_MIDI
|
||
|
|
else
|
||
|
|
cmp _snd_midi_active, 1
|
||
|
|
endif
|
||
|
|
jz short @@MIDI_is_active
|
||
|
|
int PMD
|
||
|
|
jmp short @@reached?
|
||
|
|
|
||
|
|
@@MIDI_is_active:
|
||
|
|
mov dx, MMD_TICKS_PER_QUARTER_NOTE * 4 ; yes, hardcoded to 4/4
|
||
|
|
int MMD
|
||
|
|
|
||
|
|
@@reached?:
|
||
|
|
cmp ax, [bp+@@measure]
|
||
|
|
jb short @@retry
|
||
|
|
pop bp
|
||
|
|
retf 4
|
||
|
|
snd_delay_until_measure endp
|