First release of ZSNES sources

zsnes/src/cpu/regsw.mac

@@ -0,0 +1,52 @@
+;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.
+
+
+EXTSYM tableadc
+
+
+
+
+
+
+
+;*******************************************************
+; 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
+    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
+