mirror of https://github.com/nmlgc/ReC98.git
50 lines
852 B
NASM
50 lines
852 B
NASM
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; Waits for all held inputs to be released, then waits the given number of
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; [frames] for an inputto be pressed. Set [frames] to 0 or 9999 to wait
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; forever.
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; void pascal input_wait_for_change(int frames);
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_input_wait_for_change proc far
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@@frames = word ptr 6
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push bp
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mov bp, sp
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push si
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push di
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mov si, [bp+@@frames]
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xor di, di
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@@release_loop:
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call _input_mode_interface
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cmp _input_sp, INPUT_NONE
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jz short @@forever?
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push 1
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nopcall frame_delay
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jmp short @@release_loop
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@@forever?:
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or si, si
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jnz short @@longer?
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mov si, 9999
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jmp short @@longer?
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@@press_loop:
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call _input_mode_interface
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cmp _input_sp, INPUT_NONE
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jnz short @@ret
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inc di
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push 1
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nopcall frame_delay
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cmp si, 9999
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jnz short @@longer?
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xor di, di
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@@longer?:
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cmp di, si
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jl short @@press_loop
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@@ret:
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pop di
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pop si
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pop bp
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retf 2
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_input_wait_for_change endp
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