mirror of https://github.com/nmlgc/ReC98.git
29 lines
507 B
NASM
29 lines
507 B
NASM
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; int __cdecl snd_mmd_resident(void)
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snd_mmd_resident proc
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xor ax, ax
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mov es, ax
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les bx, dword ptr es:[61h * 4]
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assume es:nothing
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cmp byte ptr es:[bx+2], 'M'
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jnz short @@nope
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cmp byte ptr es:[bx+3], 'M'
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jnz short @@nope
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cmp byte ptr es:[bx+4], 'D'
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jnz short @@nope
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mov snd_interrupt_if_midi, 61h
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if GAME le 3
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mov snd_midi_active, 1
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endif
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mov snd_midi_possible, 1
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mov ax, 1
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ret
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@@nope:
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if GAME le 3
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mov snd_midi_possible, 0
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endif
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xor ax, ax
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ret
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snd_mmd_resident endp
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nop ; word alignment
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