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著名SFC模拟器Snes9x的源代码。

; Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
;
; Super FX assembler emulator code
; (c) Copyright 1998, 1999 zsKnight and _Demo_.
;
; Permission to use, copy, modify and distribute Snes9x in both binary and
; source form, for non-commercial purposes, is hereby granted without fee,
; providing that this license information and copyright notice appear with
; all copies and any derived work.
;
; This software is provided 'as-is', without any express or implied
; warranty. In no event shall the authors be held liable for any damages
; arising from the use of this software.
;
; Snes9x is freeware for PERSONAL USE only. Commercial users should
; seek permission of the copyright holders first. Commercial use includes
; charging money for Snes9x or software derived from Snes9x.
;
; The copyright holders request that bug fixes and improvements to the code
; should be forwarded to them so everyone can benefit from the modifications
; in future versions.
;
; Super NES and Super Nintendo Entertainment System are trademarks of
; Nintendo Co., Limited and its subsidiary companies.
;
bits 32
section .text
; Zsnes required macros
%imacro newsym 1
  GLOBAL %1
  %1:
%endmacro

%imacro newsym 2+
  GLOBAL %1
  %1: %2
%endmacro

%macro ALIGN32 0
  times ($$-$) & 1Fh nop    ; Long word alignment
%endmacro

%macro ALIGN16 0
  times ($$-$) & 1Fh nop    ; Long word alignment
%endmacro

%imacro extsym 1-*
%rep %0
  EXTERN %1
%rotate 1
%endrep
%endmacro