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C64
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Tape.c
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1994-06-06
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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 "Resources.h"
extern int programMode;
extern Cursor commieCursor, diskCursor;
void LoadTapeFS(FSSpec *spec)
{
short fNum;
long len;
byte data;
word addr;
FSpOpenDF(spec, fsRdPerm, &fNum);
SetFPos(fNum, fsFromStart, 0x42);
len=1; FSRead(fNum, &len, &data); addr=data;
len=1; FSRead(fNum, &len, &data); addr+=((word)data)<<8;
SetFPos(fNum, fsFromStart, 0x0400);
len=1;
while (len) FSRead(fNum, &len, &(RAM[addr++]));
FSClose(fNum);
}
void LoadTape(void)
{
StandardFileReply reply;
StandardGetFile(nil, (short)-1, nil, &reply);
if (reply.sfGood)
{
SetCursor(&diskCursor);
LoadTapeFS(&reply.sfFile);
}
if (programMode==kRunning) SetCursor(&commieCursor);
else SetCursor(&qd.arrow);
}