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- /*
- Commodore 64 Emulator v0.4 Earle F. Philhower III
- Copyright (C) 1993-4 (st916w9r@dunx1.ocs.drexel.edu)
-
- 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.
- */
-
- #include "Processor.h"
- #include "FileTypes.h"
- #include "Error.h"
- #include "Preferences.h"
- #include "Resources.h"
-
- extern int programMode;
- extern Cursor commieCursor, diskCursor;
-
- word pc;
- byte a, x, y, flags, sp;
-
- int RegisterInitialize()
- {
- RAM[0]=RAM[1]=63;
-
- if (globalPref.ramCheck==0) hiROM[0x1d69]=0x9d;
- else hiROM[0x1d69]=0x04;
-
- SetUpMemoryMap();
- pc=WordAt(ResetTo);
- sp=255;
- flags=4;
-
- return kNoError;
- }
-
- void SaveRAMFS(FSSpec *spec)
- {
- short fnum;
- long len;
-
- FSpCreate(spec, (OSType)APPLTYPE, (OSType)RAMFTYPE, 0);
- FSpOpenDF(spec, fsRdWrPerm, &fnum);
- len=sizeof(word); FSWrite(fnum, &len, &pc);
- len=sizeof(byte); FSWrite(fnum, &len, &a);
- len=sizeof(byte); FSWrite(fnum, &len, &x);
- len=sizeof(byte); FSWrite(fnum, &len, &y);
- len=sizeof(byte); FSWrite(fnum, &len, &flags);
- len=sizeof(byte); FSWrite(fnum, &len, &sp);
- len=65536; FSWrite(fnum, &len, RAM);
- FSClose(fnum);
- }
-
- void LoadRAMFS(FSSpec *spec)
- {
- short fnum;
- long len;
-
- FSpOpenDF(spec, fsRdPerm, &fnum);
- len=sizeof(word); FSRead(fnum, &len, &pc);
- len=sizeof(byte); FSRead(fnum, &len, &a);
- len=sizeof(byte); FSRead(fnum, &len, &x);
- len=sizeof(byte); FSRead(fnum, &len, &y);
- len=sizeof(byte); FSRead(fnum, &len, &flags);
- len=sizeof(byte); FSRead(fnum, &len, &sp);
- len=65536; FSRead(fnum, &len, RAM);
- FSClose(fnum);
-
- TotalRedrawVIC();
- }
-
- void SaveRAM(void)
- {
- StandardFileReply reply;
-
- StandardPutFile("\pSave RAM Image:", "\pRAM", &reply);
- if (reply.sfGood)
- {
- SetCursor(&diskCursor);
- SaveRAMFS(&(reply.sfFile));
- }
-
- if (programMode==kRunning) SetCursor(&commieCursor);
- else SetCursor(&qd.arrow);
- }
-
- void LoadRAM(void)
- {
- StandardFileReply reply;
-
- StandardGetFile(nil, (short)-1, nil, &reply);
- if (reply.sfGood)
- {
- SetCursor(&diskCursor);
- LoadRAMFS(&(reply.sfFile));
- }
-
- if (programMode==kRunning) SetCursor(&commieCursor);
- else SetCursor(&qd.arrow);
- }
-