mirror of https://github.com/nmlgc/ReC98.git
156 lines
2.7 KiB
NASM
156 lines
2.7 KiB
NASM
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; int __cdecl fflush(FILE *fp)
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public _fflush
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_fflush proc DIST
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@@count = word ptr -2
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@@fp = DPTR_ 2 + dPtrSize
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push bp
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mov bp, sp
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sub sp, 2
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push si
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push di
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if LDATA
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mov ax, word ptr [bp+@@fp]
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or ax, word ptr [bp+@@fp+2]
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jnz short @@fflush_fp
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nop
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call _flushall
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jmp @@fflush_ret_0
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@@fflush_fp:
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les bx, [bp+@@fp]
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mov ax, es:[bx+12h]
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cmp ax, word ptr [bp+@@fp]
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jz short @@fflush_level
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jmp @@fflush_ret_eof
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@@fflush_level:
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les bx, [bp+@@fp]
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cmp word ptr es:[bx], 0
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jl short @@fflush_write
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test byte ptr es:[bx+2], 8
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jnz short @@fflush_no_unget
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mov dx, es:[bx+0Eh]
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mov ax, word ptr [bp+@@fp]
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add ax, 5
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cmp dx, word ptr [bp+@@fp+2]
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jz short @@fflush_hold
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jmp @@fflush_ret_0
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@@fflush_hold:
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cmp es:[bx+0Ch], ax
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jnz short @@fflush_ret_0
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@@fflush_no_unget:
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les bx, [bp+@@fp]
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mov word ptr es:[bx], 0
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mov dx, es:[bx+0Eh]
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mov ax, word ptr [bp+@@fp]
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add ax, 5
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cmp dx, word ptr [bp+@@fp+2]
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jnz short @@fflush_ret_0
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cmp es:[bx+0Ch], ax
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jnz short @@fflush_ret_0
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mov dx, es:[bx+0Ah]
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mov ax, es:[bx+8]
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mov es:[bx+0Eh], dx
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mov es:[bx+0Ch], ax
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jmp short @@fflush_ret_0
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@@fflush_write:
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les bx, [bp+@@fp]
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mov ax, es:[bx+6]
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add ax, es:[bx]
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inc ax
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mov [bp+@@count], ax
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sub es:[bx], ax
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push ax
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mov dx, es:[bx+0Ah]
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mov ax, es:[bx+8]
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mov es:[bx+0Eh], dx
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mov es:[bx+0Ch], ax
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push dx
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push ax
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mov al, es:[bx+4]
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cbw
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push ax
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nop
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call ___write
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add sp, 8
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cmp ax, [bp+@@count]
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jz short @@fflush_ret_0
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les bx, [bp+@@fp]
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test byte ptr es:[bx+3], 2
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jnz short @@fflush_ret_0
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or word ptr es:[bx+2], 10h
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else
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cmp [bp+@@fp], 0
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jnz short @@fflush_fp
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call _flushall
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jmp short @@fflush_ret_0
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@@fflush_fp:
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mov bx, [bp+@@fp]
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mov ax, [bx+0Eh]
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cmp ax, [bp+@@fp]
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jnz short @@fflush_ret_eof
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mov bx, [bp+@@fp]
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cmp word ptr [bx], 0
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jl short @@fflush_write
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test byte ptr [bx+2], 8
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jnz short @@fflush_no_unget
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mov ax, [bp+@@fp]
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add ax, 5
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cmp [bx+0Ah], ax
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jnz short @@fflush_ret_0
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@@fflush_no_unget:
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mov bx, [bp+@@fp]
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mov word ptr [bx], 0
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mov ax, [bp+@@fp]
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add ax, 5
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cmp [bx+0Ah], ax
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jnz short @@fflush_ret_0
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mov ax, [bx+8]
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mov [bx+0Ah], ax
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jmp short @@fflush_ret_0
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@@fflush_write:
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mov bx, [bp+@@fp]
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mov ax, [bx+6]
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add ax, [bx]
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inc ax
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mov [bp+@@count], ax
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sub [bx], ax
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push ax ; len
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mov ax, [bx+8]
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mov [bx+0Ah], ax
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push ax ; buf
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mov al, [bx+4]
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cbw
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push ax ; handle
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call ___write
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add sp, 6
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cmp ax, [bp+@@count]
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jz short @@fflush_ret_0
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mov bx, [bp+@@fp]
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test byte ptr [bx+3], 2
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jnz short @@fflush_ret_0
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or word ptr [bx+2], 10h
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endif
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@@fflush_ret_eof:
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mov ax, 0FFFFh
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jmp short @@fflush_ret
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@@fflush_ret_0:
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xor ax, ax
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@@fflush_ret:
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pop di
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pop si
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mov sp, bp
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pop bp
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ret
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_fflush endp
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