www.pudn.com > zsnes117b-src.zip > fxemu2b.mac

;Copyright (C) 1997-2001 ZSNES Team ( zsknight@zsnes.com / _demo_@zsnes.com ) 
; 
;This program is free software; you can redistribute it and/or 
;modify it under the terms of the GNU General Public License 
;as published by the Free Software Foundation; either 
;version 2 of the License, or (at your option) any later 
;version. 
; 
;This program is distributed in the hope that it will be useful, 
;but WITHOUT ANY WARRANTY; without even the implied warranty of 
;MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
;GNU General Public License for more details. 
; 
;You should have received a copy of the GNU General Public License 
;along with this program; if not, write to the Free Software 
;Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 
 
 
 
 
 
 
 
 
 
%macro TORNb 1   ; V 
   FETCHPIPE 
   test dword [SfxB],1 
   jnz .VersionB 
   mov edi, SfxR0+%1*4 
   inc ebp                ; Increase program counter 
   mov eax,ebp 
   sub eax,[SfxCPB] 
   mov dword[withr15sk],1 
   mov [SfxR15],eax 
   call [FxTableb+ecx*4] 
   mov edi,SfxR0 
   ret 
.VersionB 
   mov eax,[esi]            ; Read Source 
   mov dword[withr15sk],1 
   inc ebp                ; Increase program counter 
   mov [SfxR0+%1*4],eax             ; Write 
   CLRFLAGS 
   ret 
%endmacro 
 
%macro FROMRNb 1 ; V 
   FETCHPIPE 
   test dword [SfxB],1 
   jnz .VersionB 
   mov esi,SfxR0+%1*4 
   inc ebp                ; Increase program counter 
   call [FxTable+ecx*4] 
   mov esi,SfxR0 
   ret 
.VersionB 
   mov eax,[SfxR0+%1*4]             ; Read 
   inc ebp 
   mov [edi],eax        ; Write Destination 
   mov [SfxSignZero],eax 
   shr al,7 
   mov byte[SfxOverflow],al 
   CLRFLAGS 
   ret 
%endmacro 
 
%macro TORNc 1   ; V 
   FETCHPIPE 
   mov eax,[esi]            ; Read Source 
   inc ebp                ; Increase program counter 
   mov [SfxR0+%1*4],eax             ; Write 
   CLRFLAGS 
   ret 
%endmacro 
 
 
%macro FROMRNc 1 ; V 
   FETCHPIPE 
   mov eax,[SfxR0+%1*4]             ; Read 
   inc ebp 
   mov [edi],eax        ; Write Destination 
   mov [SfxSignZero],eax 
   shr al,7 
   mov byte[SfxOverflow],al 
   CLRFLAGS 
   ret 
%endmacro