snes9x/i386/regsw.mac

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; 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.
;
;*******************************************************
; InitRegW Initializes Write Registers
;*******************************************************
%macro reenablespc 0
cmp dword[cycpbl],1000000h
jb %%enspc
mov dword[cycpbl],0
test byte[curexecstate],02h
jnz %%enspc
or byte[curexecstate],02h
push ebx
xor ebx,ebx
mov bl,dl
EXTSYM tableadc
mov edi,[tableadc+ebx*4]
pop ebx
%%enspc
%endmacro
%macro setregw 2
mov edi,%1
add edi,[regptw]
mov eax,%2
mov [edi],eax
%endmacro